CN101548451B - Integrated process system for power conversion and characteristic test automatism - Google Patents
Integrated process system for power conversion and characteristic test automatism Download PDFInfo
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- CN101548451B CN101548451B CN2008800009066A CN200880000906A CN101548451B CN 101548451 B CN101548451 B CN 101548451B CN 2008800009066 A CN2008800009066 A CN 2008800009066A CN 200880000906 A CN200880000906 A CN 200880000906A CN 101548451 B CN101548451 B CN 101548451B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
Abstract
Disclosed is an integrated process system for power conversion and characteristic test in that the electric powers can be recycled and cut down in a durability test and the durability test and the characteristic test for confirming the quality of each power supply can be performed at the same time, thereby reducing the entire manufacturing process. The integrated process system is characterized of comprising an input part, integrating DC output power from a plurality of power suppiers connected in parallel, sending to a DC-AC conversion part, obtaining the DC output power value and sending to a control part to make the output of the power suppliers to be constant; a DC-AC conversion part, receiving the value after integrating the output of the power suppliers from the input part, and conversing the value into a AC input power of 110-220 Vac; a current sensor A, obtaining a whole current input power value conversed by the DC-AC conversion part, and sending to the control part; and the control part, controlling the input part to make the current output power of the power suppiers to be constant, and making the DC-AC conversion part to converse AC to DC, and maintaining the insufficient current input power to be provided by an external power supply. Accordingly, the DC output powers of each power supply consumed in the form of thermal energy through a load for durability test is converted into the AC power of 110-220 Vac and the converted Ac power can be recycled so as to perform the durability test, thereby remarkably reducing the electric powers used in the entire manufacturing process.
Description
Technical field
The present invention relates to be used for the operation combination system and the method for power conversions and characteristic check automation; Through this operation combination system and method; When carrying out ageing test (Aging Test) operation of one of necessary operation as charger manufacturing process; Not only can realize the utilization again and the saving of energy; Through attribute testing operation and above-mentioned ageing test operation are merged, thereby can shorten above-mentioned charger manufacturing process, this attribute testing is used for whether the above-mentioned charger of accomplishing above-mentioned ageing test operation is normally judged.
Background technology
Current; Need before dispatching from the factory, carry out the ageing test of certain hour as the electric power converter of charger (comprising inverter) of the core component of electronic product or parts manufacturing market etc.; And be directed against the situation whether product of accomplishing above-mentioned ageing test has passed through above-mentioned ageing test, carry out the attribute testing operation.
Owing to produce this manufacturing particularity in batches, need be to several thousand ageing tests of carrying out above-mentioned charger less for a hundreds of charger simultaneously at most.Though different because of product, all need carry out about about 4 hours ageing test, ageing test apparatus continuous running in 24 hours.
Fig. 1 is the general block diagram of the above-mentioned charger ageing tester that uses in the manufacturing process of large enterprises of the current production charger Related product of expression.
As shown in Figure 1; Whether the AC power through the charger that will carry out ageing test being supplied with 110～220Vac respectively (below abbreviate Vac as), test continue to produce DC power supply output (below abbreviate Vdc as) within certain hour (being generally more than 4 hours).In the above-mentioned ageing test, for from drawing DC power supply output as the charger of subjects, the output of each charger is applied load use.
There is following problem in the ageing test of above-mentioned charger: the load owing to be applied to the dc output end of above-mentioned charger for the DC power supply output of drawing charger causes electric energy to be consumed and is heat energy.The step of the ageing test of the charger direct current output whether be the above-mentioned charger of check can continue to keep stable to alternating current input power supplying; The load that therefore must consume to the dc output power of changing in the above-mentioned charger; Current be with high electric power the watt resistance connect as load, making the dc output power consumption of changing in the above-mentioned charger is the heat energy form.As stated, use high electric power watt resistance, be the heat energy form with the dc output power consumption of above-mentioned charger, thereby cause the temperature in the laboratory quite high,, need starting carry air-conditioning and air-conditioning, cause producing the waste of 2 energy in order to reduce temperature.
Owing to above-mentioned reason; The electric quantity consumption proportion that uses in the ageing test of above-mentioned charger accounts for the major part of the electric quantity consumption that uses in the whole manufacturing process; Energy dissipation is big, and for manufacturing enterprise generally, the whole manufacturing cost of above-mentioned charger raises greatly.
Another problem of the ageing test of above-mentioned charger is; In above-mentioned ageing test operation; Can't obtain to be in the whether normal information of the charger in the above-mentioned test; So need after above-mentioned ageing test finishes, carry out attribute testing in addition to the charger of accomplishing above-mentioned ageing test, to judge whether normal unnecessary operation.
Among the present invention; In above-mentioned ageing test; Through current sensor, (user can according to condition enactment) at a certain time interval obtains from the dc output power of each charger output; Thereby in the time of can stating ageing test on the implementation or when accomplishing above-mentioned ageing test, judge above-mentioned charger normally whether.
Summary of the invention
The present invention proposes in view of above-mentioned prior art problem; Its purpose is; A kind of following method and system are provided: the AC power that the dc output power of above-mentioned charger is converted to 110～220Vac; It is utilized as the required alternating current input power supplying of above-mentioned ageing test once more again; Thereby can significantly reduce the electric weight that uses in the whole manufacturing process, wherein, the dc output power of above-mentioned charger is the heat energy form through the load consumption that applies for the ageing test of carrying out above-mentioned charger.
And, another object of the present invention is to, constitute the high efficiency DC-AC converter section that the dc output power of above-mentioned charger is utilized as the alternating current input power supplying of above-mentioned ageing test once more again.
And; Another object of the present invention is to, in the manufacturing process of charger, the charger of accomplishing above-mentioned ageing test is carried out the whether normal characteristic of judging obtain operation in order to omit; In above-mentioned ageing test; Through current sensor, (user can according to condition enactment) at a certain time interval obtains from the dc output power of each charger output; Thereby in the time can stating ageing test on the implementation or when accomplishing above-mentioned ageing test, judge above-mentioned charger normally whether.
In order to realize problem to be solved by this invention, the operation combination system that is used for power conversions and characteristic check automation of one embodiment of the invention is characterized in that, said operation combination system comprises:
Input part, the average anode current of a plurality of chargers that it will be connected in parallel merges, and sends to the DC-AC converter section, obtains above-mentioned average anode current value and sends to control part, makes the average anode current of the above-mentioned a plurality of chargers that are connected in parallel keep constant;
The DC-AC converter section, the electric current after its average anode current that receives a plurality of chargers that will be connected in parallel from above-mentioned input part merges converts thereof into the AC-input voltage of 110～220V and exchanges input current accordingly;
Current sensor A, it obtains the interchange input current of being changed by above-mentioned DC-AC converter section, sends to control part; And
Control part; It controls above-mentioned input part; Average anode current to keep charger is constant, and makes the DC-AC converter section convert direct current to interchange, and the required total interchange input current of a plurality of chargers that are in ageing test is compared with the input current that exchanges that the DC-AC converter section is changed; From the external power source supply unit not enough interchange input current is provided, utilizes again as the required interchange input current of ageing test thus.
Operation combination system and the method that is used for power conversions and characteristic check automation of the present invention that possesses said structure and effect; In ageing test as one of necessary operation of the manufacturing process of charger; To be the AC power that the DC power supply output of the above-mentioned charger of heat energy form converts 110～220Vac to for carrying out load consumption that ageing test applies; Utilize again as the required alternating current input power supplying of above-mentioned ageing test once more, thereby can significantly reduce the electric weight that uses in the whole manufacturing process.
And; Also have following advantage, can during the ageing test of carrying out charger, carry out the attribute testing of charger simultaneously; Thereby the attribute testing step that the charger to accomplishing above-mentioned ageing test that can omit execution in the past carries out, thereby can shorten whole manufacturing process.
And, in the manufacturing process of charger, the charger of accomplishing above-mentioned ageing test is carried out the whether normal characteristic of judging obtain operation in order to omit; Pass through current sensor; In above-mentioned ageing test, (user can according to condition enactment) at a certain time interval obtains from the dc output power of each charger output; Thereby in the time of can stating ageing test on the implementation or when accomplishing above-mentioned ageing test, judge above-mentioned charger normally whether.
Description of drawings
Fig. 1 is the block diagram that summary is represented existing charger ageing tester.
Fig. 2 is the block diagram of charger ageing tester that is provided with the operation combination system that is used for power conversions and characteristic check automation of one embodiment of the invention.
Fig. 3 relates to the block diagram of input part of the operation combination system that is used for power conversions and characteristic check automation of one embodiment of the invention.
Fig. 4 relates to the block diagram of input part of the operation combination system that is used for power conversions and characteristic check automation of another embodiment of the present invention, is provided with switch portion in this input part.
Fig. 5 relates to the block diagram of input part of the operation combination system that is used for power conversions and characteristic check automation of another embodiment of the present invention, is provided with load change portion in this input part, portion, transformation portion, output merging portion, outside variable power supply supply unit and switch portion are read in output.
Fig. 6 relates to the outline flowchart of action of the operation combination system that is used for power conversions and characteristic check automation of one embodiment of the invention.
Fig. 7 is the outline flowchart of input part of the operation combination system that is used for power conversions and characteristic check automation of expression one embodiment of the invention.
Fig. 8 relates to the flow chart of the input part that has applied the switch portion that is used to simplify the input part structure of the operation combination system that is used for power conversions and characteristic check automation of another embodiment of the present invention.
Embodiment
In order to realize above-mentioned problem, the operation combination system that is used for power conversions and characteristic check automation of the present invention is characterized in that, said operation combination system comprises:
Input part, the dc output power of a plurality of chargers that it will be connected in parallel merges, and sends to the DC-AC converter section, obtains above-mentioned dc output power value and sends to control part, makes the output of the above-mentioned a plurality of chargers that are connected in parallel keep constant;
The DC-AC converter section, the value after its dc output power value that receives a plurality of chargers that will be connected in parallel from above-mentioned input part merges converts thereof into the alternating current input power supplying of 110～220Vac;
Current sensor A, it obtains total alternating current input power supplying value of being changed by above-mentioned DC-AC converter section, sends to control part; And
Control part, it controls above-mentioned input part, and is constant with the dc output power that keeps charger, and makes the DC-AC converter section convert direct current to interchange, and makes not enough alternating current input power supplying provided by the said external power suppling part.
At this moment, above-mentioned input part comprises:
Current sensor, it obtains the dc output power value of the above-mentioned a plurality of chargers that are connected in parallel;
Analog to digital converter (Analog To Digital Convertor), it is sampled according to preset some cycles, being sent to control part from the current value that above-mentioned current sensor obtains;
Department of Communication Force, itself and above-mentioned control part carry out the transmitting-receiving by the value of above-mentioned analog to digital converter sampling, and this value is the dc output power value of a plurality of chargers of being connected in parallel; And
Current control division, it receives order from above-mentioned control part, regulates the dc output power value.
In addition, the above-mentioned input part of append mode of the present invention comprises:
Current sensor, it obtains the dc output power value of the above-mentioned a plurality of chargers that are connected in parallel;
Analog to digital converter, it is sampled according to preset some cycles, being sent to control part from the current value that above-mentioned current sensor obtains;
Department of Communication Force, itself and above-mentioned control part carry out the transmitting-receiving by the value of above-mentioned analog to digital converter sampling, and this value is the dc output power value of a plurality of chargers of being connected in parallel;
Switch portion, it is used to reduce the quantity of above-mentioned current sensor, and above-mentioned current sensor is to be provided with for the dc output power value of obtaining the above-mentioned a plurality of chargers that are connected in parallel; And
Current control division, it receives order from above-mentioned control part, regulates the dc output power value.
At this moment; Above-mentioned DC-AC converter section will from a plurality of input parts (input part A, input part B ...) mutually different dc output power merge; Convert alternating current input power supplying to; To merge through the above-mentioned alternating current input power supplying of above-mentioned conversion with from the AC power that the external power source supply unit is supplied with, export the required whole alternating current input power supplying of above-mentioned charger ageing test.
At this moment; Above-mentioned control part is stored the dc output power value of a plurality of chargers that are connected in parallel that send from above-mentioned input part; Mode with serial (Serial), Ethernet (ETHERNET), USB storage and radio communication is sent to the outside, to shorten the attribute testing operation of the charger of accomplishing above-mentioned ageing test.
On the other hand, the operation combination system that is used for power conversions and characteristic check automation of another embodiment of the present invention is characterized in that, said operation combination system comprises:
Switch portion; It in the ageing test operation, the output of charger is connected to load change portion and output is read in the portion; In overvoltage protection in the characteristic check project (the Over Voltage Protection) project implementation step, the output of above-mentioned charger is connected on the outside variable power supply supply unit;
Load change portion, it changes the output load of above-mentioned charger according to the control of control part, to carry out the test of overcurrent protection (Over Current Protection) and overvoltage protection and load change;
Portion is read in output, and it not only in the ageing test operation, also in the characteristic check operation, in user's preset period and step, obtains being in the voltage of the charger in the characteristic check and the input of electric current output;
Analog to digital converter, it was sampled according to the predetermined cycle, being sent to CPU from the above-mentioned electric current and the voltage output of the output portion of reading input;
CPU, it obtains by the above-mentioned electric current of above-mentioned analog to digital converter sampling and the input of voltage output value, independent Control current control part; Perhaps, be sent to control part, wait for that Next Command transmits through Department of Communication Force; According to the control of control part, the scope of boosting and the step-down scope of control transformation portion;
Department of Communication Force, it is responsible for the communication between above-mentioned CPU and the control part;
Current control division, it controls the output of charger according to the order of CPU;
Transformation portion, its execution is boosted or depressurization step, converts the interchange (110V～220Vac) of optimum efficiency into direct current (interchange) out-put supply of the charger that will be divided into low pressure, middle pressure and high pressure;
Input part; It comprises the output merging portion that the output that is converted to the above-mentioned charger of identical size by transformation portion is merged into an output; Wherein, above-mentioned transformation portion boosts to the mutually different out-put supply of above-mentioned charger or step-down and convert the voltage of identical size to; And
Outside variable power supply feeder, it is used to carry out the over-voltage protection function of above-mentioned charger.
And according to append mode, said operation combination system also comprises:
Recording medium, it makes the order of CPU according to control part, reads portion, current control division and transformation portion according to the effective control load change of step portion, output; And
The GUI (Graphic User Interface, graphic user interface) that the user can utilize control part is the recording medium of the function of Controlled CPU directly.
At this moment; In above-mentioned characteristic check; In order to realize outside the fundamental characteristics inspection item; The further basis that realizes will be carried out the inspection item that the characteristic of the charger of characteristic check is appended; Connect outside variable power supply feeder and switch portion according to dismounting mode or the mode of being connected in parallel; So that as required, freely append oscilloscope or digital multimeter, special functional module (function generator etc.) uses, wherein; Above-mentioned fundamental characteristics inspection item comprises: the inspection of output voltage stability, overcurrent protection inspection, overvoltage protection inspection, load change test and pulsating voltage are measured; The above-mentioned inspection item that appends comprises: Turn On Time measures that (charger is applied after the input power supply, and the output voltage of charger reaches the required time of rated voltage), Turn Off Time measure (cut off after the power supply that charger is applied, the output voltage of charger reaches the required time of 0V) and to the output signal check of specific input signal (control signal) etc.
And according to another append mode, the input and output point that constitutes each formation portion of input part also is made up of other testing site terminal, so that periodically check the integrity of employed above-mentioned each formation portion in the characteristic check.
At this moment; As required; The user directly utilizes control part that each formation portion of the input part that is used for characteristic check is controlled, thereby can sequence of movement and the initial value that append and delete, changes required above-mentioned each formation portion of characteristic check project be changed.
At this moment; Above-mentioned analog to digital converter is in the ageing test operation; Read portion obtains charger according to the sample rate (Sampling Rate) of tens Hz～several KHz output voltage from output; Pulsating voltage in the ageing test operation is measured in the operation, obtains the output voltage of charger according to tens KHz～sample rate more than tens MHz automatically.
On the other hand, the operation merging method that is used for power conversions and characteristic check automation of the present invention is characterized in that,
Said operation merging method comprises carries out following processed steps; Convert interchange 110～220V to or exchange 380V or interchange 480V and the common or industrial size that goes up use with mutually different direct current (interchange) out-put supply a plurality of chargers; Input power supply as the charger ageing test utilizes again; Wherein, said being treated to:
With above-mentioned mutually different direct current (interchange) out-put supply boost or step-down for best size, so that above-mentioned mutually different direct current (interchange) out-put supply converts the interchange with optimal conversion efficiency to;
With boost or step-down after mutually different direct current (interchange) output be merged into an output; And
With the direct current after the above-mentioned merging (interchange) output convert to exchange 110～220Vac exchange 380Vac or exchange 480Vac and usually or industry go up the size of using so that as the interchange 110～220Vac of the ageing test that is used to carry out charger exchange 380Vac or exchange 480Vac and usually or the industry input power supply of going up the size of using utilize again.
And according to append mode, said operation merging method also comprises carries out following processed steps, so that a plurality of chargers that are connected in parallel produce preset output simultaneously, wherein, said being treated to:
Read the dc output power value of each charger that is connected in parallel,, be sent to CPU through analog-digital conversion process;
Through Department of Communication Force, direct current (interchange) the out-put supply value of the above-mentioned charger that will send from above-mentioned CPU is sent to control part; And
Through above-mentioned control part current control division is controlled; So that in direct current (interchange) the out-put supply value of the above-mentioned charger that sends during greater than preset value; Reduce direct current (interchange) the out-put supply value of the above-mentioned charger that sends; In direct current (interchange) the out-put supply value of the above-mentioned charger that sends during less than preset value, direct current (interchange) the out-put supply value of the above-mentioned charger that sends that raises.
At this moment, above-mentioned mutually different direct current (interchange) out-put supply is boosted or step-down is best size, comprises the following processed steps of execution so that above-mentioned mutually different direct current (interchanges) out-put supply converts the step of the interchange with optimal conversion efficiency to:
The multiple output of the charger in the above-mentioned ageing test is divided into low pressure, middle pressure and high pressure;
The output of the above-mentioned charger that is divided into low pressure, middle pressure and high pressure is input to other independently input part; And
Through boosting or step-down, the mutually different charger of size is exported the output that is merged into identical size, the unified AC power that converts to.
And, under the situation of supplying with the charger that exchanges the output more than the 500Vac,
It is converted to according to optimum efficiency in the step that exchanges 110V～220Vac,
To 1000Vac, it is depressured to after the 500Vac, be depressured to 220Vac once more, convert to and exchange 110Vac～220Vac, convert to according to optimum efficiency with output and exchange 110V～220Vac above-mentioned charger.
And, under the situation of the charger of supplying with the output below the direct current 50Vdc,
It is converted to according to optimum efficiency in the step that exchanges 110V～220Vac,
To direct current 24Vdc; It is once boosted to after the 50Vdc; Secondary booster is to 100Vdc once more; Finally boost to after 340～380Vdc, boost conversion becomes to exchange 220Vac and converts interchange 110Vac～220Vac to thus, converts to according to optimum efficiency with the output with above-mentioned charger and exchanges 110V～220Vac.
On the other hand, also comprise and carry out following processed steps, wait and make an experiment direct current (interchange) the out-put supply value of the above-mentioned charger in the ageing test operation is changed into 100%, 70%, 50%, wherein, said being treated to:
In control part, direct current (interchange) the out-put supply value of the charger in the above-mentioned ageing test (for example, 100%, 70%, 50% etc.) is sent to CPU through Department of Communication Force;
Receive the above-mentioned charger that sends from above-mentioned control part the CPU of the output valve that will export through the Control current control part, change direct current (interchange) the power supply output valve of above-mentioned charger, make an experiment;
Read in the portion at electric current, read direct current (interchange) the out-put supply value after the change of the charger in the above-mentioned ageing test once more, be sent to CPU, whether correctly changed with direct current (interchange) the power supply output valve of confirming above-mentioned charger; And
The result of direct current (interchange) the out-put supply value of the charger after the above-mentioned change is sent to control part through Department of Communication Force.
On the other hand; Comprise the steps; Simultaneously range upon range of whole chargers are carried out characteristic check, above-mentioned charger is not to be layered on the ageing testing equipment by accomplishing the tie lines and the tester ways of connecting of appending after the ageing test operation, so that ageing test operation and characteristic check operation are merged; Wherein, said step is:
Output voltage stability determination step; Through in preset scope (for example; 180Vac～250Vac (90Vac～130Vac)) changes the 220Vac that is used to drive above-mentioned charger (or 110Vac) AC power of being imported; Whether the output of checking above-mentioned charger keeps the certain value preset, and no change;
The overcurrent protection step; Guide the output of above-mentioned charger through load change portion; Make above-mentioned charger progressively increase the above electric current of output-current rating, measure the overcurrent value of above-mentioned charger loss of function, check that this overcurrent value is whether in preset overcurrent scope;
The overvoltage protection first step; Guide the output of above-mentioned charger through load change portion; Make above-mentioned charger progressively increase the above voltage of rated output voltage, measure the overvoltage value of above-mentioned charger loss of function, check that this overvoltage value is whether in preset overvoltage scope;
Overvoltage protection second step; CPU is according to the order of control part; Control switch portion makes the plus end of charger output be connected to the negative terminal of outside variable power supply supply unit, makes the negative terminal of above-mentioned charger output be reversely connected to the plus end of said external variable power supply supply unit; Thereby apply the power supply of opposite polarity from outside variable power supply feeder to the output of above-mentioned charger, check the whether loss of function of above-mentioned charger;
The load change test procedure through the output condition (loading condition) (for example, 100% load, 70% load, 50% load, non-loaded) that is changed charger by load change portion arbitrarily, checks whether above-mentioned charger keeps certain output of presetting; And
Measure the pulsating voltage in the charger out-put supply.
On the other hand, according to another embodiment, also comprise and carry out following processed steps:
Outside the common characteristic check project of charger is checked; The characteristic check project of appending that also characteristic according to charger is produced is checked; Connect variable power supply feeder and switch portion with reassembling type or parallel connected type; So that as required, append oscilloscope or digital multimeter and special module (for example, tester such as function generator etc.) are set; And
The input and output point that constitutes each formation portion of electric power coversion system is made up of other testing site terminal, and each formation portion of said formation electric power coversion system comprises: portion, analog to digital converter, current control division, CPU, Department of Communication Force, transformation portion, output merging portion, control part and DC-AC converter section etc. are read in load change portion, output.
And said operation merging method also comprises carries out following processed steps, simultaneously a plurality of chargers are implemented characteristic check, wherein, said being treated to:
Output capacity at charger is big; And supply with under the situation of multiple output; Reduce the number of the input part that above-mentioned control part will control and it is made up, little at output capacity, supply with under the situation of single output or 2～3 outputs; Increase the number of the input part that above-mentioned control part will control, the number combination of the input part that a control part will be controlled and connecting; And
To be connected above-mentioned each control part of carrying out control with the combination of a plurality of input parts and divide into a plurality of combinations once more,, stably implement the characteristic check of a plurality of chargers simultaneously through the decentralized control that is connected with upper control part.
Below, through embodiment, specify operation combination system and the method that is used for power conversions and characteristic check automation of the present invention.
The operation combination system that is used for power conversions and characteristic check automation of the present invention is characterized in that, said operation combination system comprises:
DC-AC converter section 215, its dc output power with above-mentioned charger (below abbreviate Vdc as) convert the alternating current input power supplying (below abbreviate AC as) of the 110～220Vac that uses in the ageing test of above-mentioned charger to;
Input part 205; It is when carrying out above-mentioned ageing test; Output for each charger of the stable a plurality of chargers 105 that are connected in parallel; According to the current value that the current sensor 226 of each output of the above-mentioned charger 105 that is used for obtaining above-mentioned ageing test is obtained, control the output of above-mentioned charger 105, thereby make all chargers 105 that use in the above-mentioned ageing test export certain dc output power all the time.
The present invention relates to a kind of charger ageing test that in the charger manufacturing, must carry out of significantly reducing (after charger applied load; Confirm the test of output stability; Usually carry out about 4 hours continuously) method and the device of required electric energy; Wherein, Be released in the atmosphere and the waste of energy that produces with the heat energy mode when using high electric power resistance 110 as above-mentioned load 110 in order to prevent in the charger ageing test; Replace above-mentioned high electric power resistance 110 with DC-AC transducer 215, the dc output power that produces from above-mentioned charger 105 during with above-mentioned ageing test converts AC power once more to, as the alternating current input power supplying use of the above-mentioned charger 105 of carrying out above-mentioned ageing test.
Fig. 1 is the general block diagram of existing charger ageing tester 100.
For the manufacturing process of nearly all electronic product, manufacturing enterprise reduces manufacturing cost in order to shorten the production time, and to being 500 less, the electronic product about 3000 carries out above-mentioned charger ageing test at most simultaneously.In order once to carry out the ageing test of a hundreds of above above-mentioned charger; Need a lot of electric weight; Thus, the major part of the electric energy that whole manufacturing process consumed of above-mentioned charger 105 consumes in above-mentioned ageing test operation, causes the manufacturing cost of above-mentioned charger 105 to improve greatly.
Explain that above-mentioned charger ageing test process is following; After being installed to the above-mentioned charger 105 of assembled on the above-mentioned ageing test apparatus; For the above-mentioned charger 105 of drive installation on above-mentioned ageing test apparatus; Above-mentioned charger 105 is applied common AC power, and promptly 110～220Vac power supply 115.
The above-mentioned charger 105 that has been applied in 110～220Vac AC power 115 is supplied with the specified dc output power that is equivalent to more than 4 hours to above-mentioned load 110 continuously; The above-mentioned load 110 that supplies to dc output power from above-mentioned charger 105 consumes above-mentioned dc output power with hot mode, so that above-mentioned charger 105 continues to emit specified output.
As stated, during above-mentioned ageing test, lose with the heat energy mode through above-mentioned load 110, cause much electricity to be wasted with the specified suitable dc output power of above-mentioned charger 105.
Fig. 2 is the general block diagram of the charger ageing tester that is provided with electric power converter 200 in the ageing testing equipment of above-mentioned charger, and this electric power converter 200 is used for the electric energy of being emitted with the heat energy mode by above-mentioned load 110 during the ageing test is utilized again.
Of Fig. 1; In above-mentioned charger ageing test step; Above-mentioned charger 105 is applied alternating current input power supplying 110～220 Vac 115, drive above-mentioned charger 105, be applied in the above-mentioned charger 105 of the alternating current input power supplying of 110～220Vac 115; Emit to above-mentioned load 110 and to be equivalent to specified dc output power; The above-mentioned load 110 that obtains specified dc output power (electric power) from above-mentioned charger 105 continues and will be released to the atmosphere with the heat energy mode from the specified dc output power that above-mentioned charger 105 is supplied with, thereby can make above-mentioned charger 105 continue the specified dc output power of output during above-mentioned ageing test.
The present invention relates to reduce the method and the device of the manufacturing cost of above-mentioned charger 105; This method and device are through with being utilized with the specified dc output power (electric power) that the heat energy mode is released to the above-mentioned charger 105 in the atmosphere by above-mentioned load 110 in the above-mentioned charger ageing test again; Thereby significantly reduce waste of energy; Significantly reduce the electric energy that uses in the whole ageing test, reduce the manufacturing cost of above-mentioned charger 105 thus.
The present invention not only goes for the charger of single direct current output; Can also be applicable to the charger (be generally 2 kinds and output to 5 kinds of outputs) of multiple direct current output; The charger 105 of supplying with 2 kinds of dc output powers is shown for the ease of understanding the present invention among Fig. 2; For core technology characteristic of the present invention effectively is described, suitably word is out of shape and uses, below so that those skilled in the art can be expressly understood the present invention; But the present invention is not so limited, and carries out the situation of all electric power converters (charger and inverter) etc. of power conversions function usually and all can use the present invention.
Each dc output power that will be used for the charger 105 of above-mentioned ageing test is connected with input part 205 as the electric power converter 200 of core of the present invention.
As shown in Figure 2; Under the situation of the charger 105 of supplying with 2 kinds of dc output powers; The input part 205 of above-mentioned electric power converter 200 constitutes by 2 kinds; Equally, according to the kind of the dc output power of the charger 105 of carrying out above-mentioned ageing test, confirm number (input part A, the input part B of the input part 205 of above-mentioned electric power converter 200 ...).
With the output of the identical type of above-mentioned charger 105 (output A1, A2 ..., An or output B1, B2 ..., Bn) be connected to identical above-mentioned input part 205 (input part A or input part B) afterwards; When above-mentioned charger 105 supplies are equivalent to specified alternating current input power supplying, begin to carry out above-mentioned ageing test.
Above-mentioned input part 205 is through current sensor 226; (user can according to condition enactment) at a certain time interval; Obtain the dc output power of exporting from each charger 105 in the ageing test; Send to control part 210; Receive the dc output power value that 210 pairs of the above-mentioned control parts of the dc output power value of each charger 105 receive and the preset dc output power value of above-mentioned charger 105 from above-mentioned input part 205 and compare,, make: in the current dc output power value that is in the above-mentioned charger 105 in the ageing test during greater than above-mentioned preset dc output power value with the current control division 227 of control input part; Reduce the dc output power that receives; In the current dc output power value that is in the above-mentioned charger 105 in the ageing test during less than above-mentioned preset dc output power value, the dc output power that raises and receive, thus continue the identical dc output power of output from a plurality of chargers that are connected in parallel.
And; Above-mentioned control part 210 makes current sensor A220 obtain the value by 110～220Vac AC power of above-mentioned DC-AC converter section 215 conversions; And calculating AC power of being obtained and the alternating current input power supplying that will offer the charger 105 in the above-mentioned ageing test is poor; Be controlled to 110～220Vac alternating current input power supplying that aequum is provided from said external power suppling part 225, provide each charger in the above-mentioned ageing test required input ac power once more.
And; In order to shorten attribute testing (whether the stability of dc output power normally the judges test) operation of the charger of accomplishing above-mentioned ageing test; The dc output power value of a plurality of chargers 105 that are connected in parallel that 210 storages of above-mentioned control part send from above-mentioned input part 205; With desirable modes of user such as online or off-lines, above-mentioned dc output power value is sent to the outside.
Charger ageing tester shown in Figure 2 of the present invention comprises that at least more than one server (or device) realizes; This server (for example comprises more than one function formation portion at least; Electric power converter (portion) etc.); Or realize that with at least more than one program that is stored in the recording medium that predetermined server (or device) possessed the present invention is not so limited.
Fig. 3 is the general block diagram of the input part 205 of above-mentioned electric power converter 200.
Even the charger of same kind; Still there are a little differences between each dc output power; Under the situation that a plurality of dc output powers are connected in parallel; Charger with higher relatively VD produces output, and the charger with relatively low VD can't move, in order to address this is that; Will carry out each output of all chargers 105 of above-mentioned ageing test, be connected to input part 205 via current control division of above-mentioned input part 227 and current sensor 226.Above-mentioned current sensor 226 obtains the dc output power of each charger 105 with the cycle of being scheduled in during predetermined; Be sent to analog to digital converter 228; The above-mentioned analog to digital converter 228 that receives the dc output power value of above-mentioned charger 105 was sampled to the above-mentioned dc output power value of obtaining with the predetermined cycle, was sent to Department of Communication Force 229.The above-mentioned Department of Communication Force 229 that receives each dc output power value of above-mentioned charger 105 from above-mentioned analog to digital converter 228 sends to control part 210 with the above-mentioned dc output power value that receives.Receive each dc output power value that 210 pairs of the control parts of each dc output power value of above-mentioned charger 105 receive and the preset dc output power value of above-mentioned charger 105 compares from above-mentioned Department of Communication Force 229; Through the above-mentioned current control division 226 of above-mentioned Department of Communication Force 229 controls; Make: in the current dc output power value that is in the above-mentioned charger 105 in the ageing test during greater than above-mentioned preset dc output power value; Reduce the dc output power value of above-mentioned charger 105; In the current dc output power value that is in the above-mentioned charger 105 in the ageing test during less than above-mentioned preset dc output power value; The dc output power value of above-mentioned charger 105 that raises, thus make dc output power certain all the time.The dc output power that obtains each stable charger 105 through above-mentioned current sensor 226, analog to digital converter 228, Department of Communication Force 229, control part 210, Department of Communication Force 229, current control division 226 is sent to above-mentioned DC-AC converter section 215 through above-mentioned DC-AC output 230.
Fig. 4 is an example of representing for the input part 205 that constitutes above-mentioned electric power converter more simply, and switch portion 231 is set in input part 205, to reduce the quantity of current sensor 226.Each output of above-mentioned charger 105 (output 1, output 2, output n) links to each other with switch portion 231 through current control division 227; The output of each charger 105 that links to each other with above-mentioned switch portion 231 (output 1, output 2, output n) is connected with DC-AC output 230 at ordinary times; Each dc output power sustainable supply of above-mentioned charger 105 is arrived above-mentioned DC-AC converter section 215; And; Each dc output power of above-mentioned charger carries out switch according to the predetermined cycle one by one successively; With some cycles mode once, be connected to above-mentioned DC-AC output 230 through above-mentioned current sensor 226, thereby one by one each dc output power value of above-mentioned charger 105 be sent to control part 210 through analog to digital converter 228, Department of Communication Force 229 successively with the predetermined cycle.
Input part shown in Figure 4 of the present invention comprises that at least more than one server or device realize; This server (for example comprises more than one function formation portion at least; Switch portion etc.); Perhaps, input part realizes that through the program in the recording medium that is recorded in predetermined server (or device) and is possessed the present invention is not limited.
Fig. 5 is for the ageing test operation of the charger of carrying out in the existing production process and characteristic check operation are merged, and appends load change portion, output and reads the general block diagram that portion, transformation portion, output merging portion, outside variable power supply supply unit, switch portion constitute an example of input part.
In the ageing test operation of above-mentioned charger 105; Shown in Fig. 2 a, Fig. 2 b; The output portion of reading at the output (good not judging required value, for example electric current, voltage, pulsating quantity etc. for what carry out product) of above-mentioned charger, via analog to digital converter; Be sent to CPU; The CPU basis that receives the output valve (electric current, voltage, pulsating quantity etc.) of above-mentioned charger is read the output valve (electric current, voltage, pulsating quantity etc.) that portion 234 sends from above-mentioned output, controls above-mentioned current control division 227, and the output of the feasible a plurality of chargers that are connected in parallel is certain.
And; Above-mentioned CPU controls above-mentioned transformation portion 233; Above-mentioned multiple dc output power value is boosted to the dc output power value of identical size, the multiple dc output power value of above-mentioned charger is converted effectively to the AC power value of 110～220Vac simultaneously.
The multiple dc output power value of the above-mentioned charger of the aforesaid dc output power value that boosts to identical size is merged into a dc output power through output merging portion 235, is sent to DC-AC converter section 215.
In order to change the dc output power value of the above-mentioned charger in the ageing test operation on one side; Make an experiment on one side; When control part is sent to CPU 231 through Department of Communication Force with the direct current output valve of the above-mentioned charger in the ageing test; Above-mentioned CPU 231 Control current control parts 227 change the dc output power value of the charger in the above-mentioned ageing test, and the result after changing is read after portion 234 verifies once more through above-mentioned output; Change if accomplish, then will accomplish the result who changes and be sent to above-mentioned control part through above-mentioned Department of Communication Force 229.
And the parameter of obtaining in the existing characteristic check operation of above-mentioned charger (for product being carried out very do not judge the value of obtaining) is not transported to existing characteristic check operation with product, and is merged into following function.Difference according to manufacturing enterprise; The purposes of charger is different; (measure but all will carry out to the above output of rated current based on the output voltage stability mensuration that exchanges the input change, overcurrent protection; The electric current of above-mentioned charger loss of function), overvoltage protection (mensuration) to the above output of rated voltage, the voltage of above-mentioned charger loss of function, (it is to be included in the alternating voltage component of exporting in the VD of dc power supply to pulsating voltage, and this composition is more little; The expression charger is good more, is the important parameter of quality of decision charger) etc. checking process.
It is to measure to according to site environment and unsettled alternating current input power supplying that above-mentioned output voltage stability is measured; Whether above-mentioned charger produces the step of stable output; In above-mentioned DC-AC converter section 215, will supply to as the alternating current input power supplying of the charger of above-mentioned characteristic check object and change into preset value; Supply with and (for example,, supply with and exchange 200Vac or 250Vac to the charger of action under alternating current 220V ac; Confirm whether above-mentioned charger produces specified output); The output valve that receives the above-mentioned charger of the alternating current input power supplying that is changed by above-mentioned DC-AC converter section is read portion 234 through above-mentioned output and is read, and via analog to digital converter 228, CPU 231, Department of Communication Force 229, sends to control part; The parameter of normally whether judging as above-mentioned charger is used, with the output of the judging above-mentioned charger stability with respect to above-mentioned alternating current input power supplying change.
Overcurrent protection (is measured to the above output of rated current; The electric current of above-mentioned charger loss of function) in the determination test; In order to make above-mentioned load change portion 232 export the output current of the above-mentioned charger more than the rated current interimly; The orderly output current change value of in the control part user being preset according to the charger classification; Be sent to above-mentioned CPU through Department of Communication Force, receive the above-mentioned CPU 231 controls above-mentioned load change portion 232 of above-mentioned user, guide above-mentioned charger and make the above dc output power of its output rated current according to the preset orderly output current change value of charger classification; Measure the overcurrent value of above-mentioned charger loss of function, be sent to above-mentioned control part.The above-mentioned control part that receives above-mentioned overcurrent value is judged the whether loss of function in preset maximum overcurrent allowed band of overcurrent value of the above-mentioned charger that sends, with judge above-mentioned charger normally whether.
Overvoltage protection (is measured to the above output of rated voltage; The voltage of above-mentioned charger loss of function) in the test; Receive the CPU control switch portion 237 of the order of above-mentioned control part, make above-mentioned charger output be connected to said external variable power supply supply unit 236.When above-mentioned charger output links to each other with said external variable power supply supply unit 236; Control part control said external variable power supply supply unit 236; Progressively slowly increase the DC power supply that is applied to above-mentioned charger output, read the overvoltage value that portion 234 obtains above-mentioned charger loss of function through above-mentioned output.Receive the above-mentioned control part of reading the overvoltage value that portion 234 obtains by above-mentioned output and judge the whether loss of function in preset maximum overvoltage allowed band of overvoltage value of the above-mentioned charger that sends, with judge above-mentioned charger normally whether.And; In order to realize invention easily; In the above-mentioned overvoltage protection test outside variable power supply supply unit 236 is not set; And increased the function of coming progressively slowly to increase the DC power supply of above-mentioned charger output through above-mentioned load change portion 232, can select the convenience that uses by the user thereby provide.In the pulsating voltage determination test, self possesses high frequency characteristics pulsating voltage, so there is the problem that will sample at a high speed.
With the preset sample rate (the data number that per second obtains) of control part, obtain the pulsating voltage value of reading the above-mentioned charger that portion 234 obtains by output from analog to digital converter 228, be sent to control part.At this moment, can be as the sample rate of the speed of obtaining above-mentioned pulsating voltage value from analog to digital converter 228 by control part change arbitrarily as required.
And above-mentioned control part is through above-mentioned CPU control load change portion 232, and for the ageing test condition, the user regulates above-mentioned charger output condition with 100%, 80%, 70% mode as required, carries out test.
And load change portion regulates above-mentioned charger output environment (in output 100%, as the ageing test of ageing test output 70%, being specified by the user) in ageing test.
Input part shown in Figure 5 comprises that at least more than one server (or device) realizes; This server (for example comprises more than one function formation portion at least; Portion, transformation portion, output merging portion, outside variable power supply supply unit, switch portion etc. are read in load change portion, output); Or realize that through the program that is recorded on the recording medium that predetermined server (or device) possessed the present invention is not limited.
Fig. 6 is the outline flowchart that the charger ageing test of electric power converter 200 has been used in expression.
Affirmation is confirmed the number (S310) of the input part of above-mentioned electric power converter as after the quantity of the charger 105 of ageing test object and the output number (S305).The output of above-mentioned charger is connected (S315) with above-mentioned input part.Specified alternating current input power supplying to above-mentioned charger 105 supplies 110～220Vac is sent to above-mentioned DC-AC converter section 215 (S325) with the dc output power of exporting.At this moment, above-mentioned control part and input part interlock, each dc output power that is controlled to the charger in the above-mentioned ageing test is consistent with preset value, does not have error, thus (S330) stablized in the output of each charger that is connected in parallel each other.And; DC-AC converter section 215 converts the above-mentioned dc output power that sends to alternating current input power supplying (S335); In the above-mentioned control part 210; Calculate total amount (S340) through current sensor A220, calculate its poor with total alternating current input power supplying that should supply to each charger 105 in the above-mentioned ageing test, supply with its differential sections (S345) from external power source supply unit 225 by the alternating current input power supplying of above-mentioned DC-AC converter section 215 conversions; Generate the required alternating current input power supplying of above-mentioned ageing test, continue each charger 105 in the above-mentioned ageing test is supplied with alternating current input power supplying (S320).And; When above-mentioned charger ageing test; The above-mentioned control part preset ageing test time of 210 inspections, when above-mentioned test duration is less than the preset time (S350), continue to carry out above-mentioned ageing test (S320); When above-mentioned test duration surpasses the preset time (S355), finish test (S360).
Fig. 7 is the outline flowchart of the input part 205 of the expression operation combination system that is used for power conversions and characteristic check automation of the present invention.
In above-mentioned ageing test, during the output of the dc output power of each charger 105 (S405), obtain dc output power value (S410) from above-mentioned current sensor 226, be sent to analog to digital converter 228 (S410).
Receive the cycle of analog to digital converter 228 to be scheduled to of the dc output power value of above-mentioned charger 105 from above-mentioned current sensor 226; The above-mentioned dc output power value of obtaining is sampled (S415), be sent to control part (S420) through Department of Communication Force 229.
The preset dc output power value of 210 pairs of these dc output power values that receive of control part and above-mentioned charger 105 that receives each dc output power value of above-mentioned charger 105 from above-mentioned Department of Communication Force 229 compares (S425); When consistent (S430); Obtain dc output power value (S410) once more; With preset period said process repeatedly; If above-mentioned comparison value inconsistent (S435), then, make: in the current dc output power value that is in the above-mentioned charger 105 in the ageing test during greater than above-mentioned preset dc output power value through the above-mentioned current control division 227 of above-mentioned Department of Communication Force 229 controls; Reduce the dc output power value of above-mentioned charger 105; In the current dc output power value that is in the above-mentioned charger 105 in the ageing test during less than above-mentioned preset dc output power value, the dc output power value of the above-mentioned charger 105 that raises, thereby the dc output power that keeps each charger 105 in the above-mentioned ageing test certain (S440) all the time.
Fig. 8 is expression also possesses the input part of switch portion 231 for the input part 205 of the operation combination system that is configured for power conversions and characteristic check automation more easily a flow chart.
In the above-mentioned ageing test, during the output of the dc output power of each charger 105 (S405), the dc output power of above-mentioned charger merges through DC-AC output 230, is sent to DC-AC converter section (S410).
At this moment; Each dc output power terminal of 231 pairs of above-mentioned chargers 105 of above-mentioned switch portion carries out switch; The dc output power terminal of the above-mentioned charger 105 that will select successively according to preset order and cycle is exported 230 disconnections one by one with above-mentioned DC-AC, is connected to above-mentioned current sensor 226 (S415) automatically.
The above-mentioned current sensor 226 that links to each other with the dc output power terminal of above-mentioned charger obtains the dc output power value, is sent to analog to digital converter 228 (420).
The analog to digital converter 228 that receives the dc output power value of above-mentioned charger 105 from above-mentioned current sensor 226 is sampled (S425) to the above-mentioned dc output power value of obtaining with preset period, is sent to control part 210 (S430) through Department of Communication Force 229.
The control part 210 that receives each dc output power value of above-mentioned charger 105 from above-mentioned Department of Communication Force 229 compares (S425) with the preset dc output power value of dc output power value that receives and above-mentioned charger 105; When two values are consistent (S440); Dc output end to next charger in proper order carries out switch; Carry out said process repeatedly; When above-mentioned two values when inconsistent (S445),, make: in the current dc output power value that is in the above-mentioned charger 105 in the ageing test during greater than above-mentioned preset dc output power value through the above-mentioned current control division 227 of above-mentioned Department of Communication Force 229 controls; Reduce the dc output power value of above-mentioned charger 105; In the current dc output power value that is in the above-mentioned charger 105 in the ageing test during less than above-mentioned preset dc output power value, the dc output power value of the above-mentioned charger 105 that raises, thereby the dc output power that keeps each charger 105 in the above-mentioned ageing test certain (450) all the time.
According to foregoing, those skilled in the art should understand, and under the situation that does not change technological thought of the present invention or essential features, can adopt other concrete mode embodiment of the present invention.Therefore, above-described embodiment only is an example, does not limit the present invention.
Scope of the present invention is as the criterion with claims, and the meaning of claim scope and scope thereof and whole changes of being derived by equivalent concepts or mode of texturing are all within the scope of the present invention.
Utilizability on the industry
Operation combination system and the method that is used for power conversions and characteristic check automation of the present invention; In the necessary operation of charger manufacturing process, be in the ageing test; Will be through converting the AC power of 110～220Vac to the DC power supply output of the above-mentioned charger of heat energy form consumption for carrying out load that ageing test applies; Utilize again as the required alternating current input power supplying of above-mentioned ageing test once more; Thereby can significantly reduce the electric weight that uses in the whole manufacturing process, can be adaptable across the electric power converter application.
Claims (11)
1. an operation combination system that is used for power conversions and characteristic check automation is characterized in that, said operation combination system comprises:
Input part, the average anode current of a plurality of chargers that it will be connected in parallel merges, and sends to the DC-AC converter section, obtains above-mentioned average anode current value and sends to control part, makes the average anode current of the above-mentioned a plurality of chargers that are connected in parallel keep constant;
The DC-AC converter section, the electric current after its average anode current that receives a plurality of chargers that will be connected in parallel from above-mentioned input part merges converts thereof into the AC-input voltage of 110～220V and exchanges input current accordingly;
Current sensor A, it obtains the interchange input current of being changed by above-mentioned DC-AC converter section, sends to control part; And
Control part; It controls above-mentioned input part; Average anode current to keep charger is constant, and makes the DC-AC converter section convert direct current to interchange, and the required total interchange input current of a plurality of chargers that are in ageing test is compared with the input current that exchanges that the DC-AC converter section is changed; From the external power source supply unit not enough interchange input current is provided, utilizes again as the required interchange input current of ageing test thus.
2. the operation combination system that is used for power conversions and characteristic check automation according to claim 1 is characterized in that above-mentioned input part comprises:
A plurality of current sensors, it obtains the average anode current value of the above-mentioned a plurality of chargers that are connected in parallel respectively;
Analog to digital converter, it is sampled according to preset some cycles, being sent to control part from the current value that above-mentioned current sensor obtains;
Department of Communication Force, itself and above-mentioned control part carry out the transmitting-receiving by the value of above-mentioned analog to digital converter sampling, and this value is the average anode current value of a plurality of chargers of being connected in parallel; And
Current control division, it receives order from above-mentioned control part, regulates the average anode current value.
3. the operation combination system that is used for power conversions and characteristic check automation according to claim 1 is characterized in that above-mentioned input part comprises:
A plurality of current sensors, it obtains the average anode current value of the above-mentioned a plurality of chargers that are connected in parallel respectively;
Analog to digital converter, it is sampled according to preset some cycles, being sent to control part from the current value that above-mentioned current sensor obtains;
Department of Communication Force, itself and above-mentioned control part carry out the transmitting-receiving by the value of above-mentioned analog to digital converter sampling, and this value is the average anode current value of a plurality of chargers of being connected in parallel;
Switch portion; It is used to reduce the quantity of above-mentioned current sensor; Above-mentioned current sensor is for the average anode current value of obtaining the above-mentioned a plurality of chargers that are connected in parallel is provided with, and the output of each charger is connected with the DC-AC converter section at ordinary times, and; Make each direct current output of each charger carry out switch successively according to the predetermined cycle one by one, thereby one by one each average anode current value of above-mentioned a plurality of chargers is sent to control part with the predetermined cycle; And
Current control division, it receives order from above-mentioned control part, regulates the average anode current value.
4. the operation combination system that is used for power conversions and characteristic check automation according to claim 1 is characterized in that,
Above-mentioned DC-AC converter section
To merge from the mutually different average anode current of a plurality of input parts; Convert the interchange input current to; To merge through the above-mentioned interchange input current of above-mentioned conversion with from the alternating current that the external power source supply unit is supplied with, export the required total interchange input current of above-mentioned charger ageing test.
5. the operation combination system that is used for power conversions and characteristic check automation according to claim 1 is characterized in that,
Above-mentioned control part
Average anode current value to a plurality of chargers that are connected in parallel that send from above-mentioned input part is stored; Mode with serial, Ethernet, USB storage and radio communication is sent to the outside, to shorten the attribute testing operation of the charger of accomplishing above-mentioned ageing test.
6. an operation combination system that is used for power conversions and characteristic check automation is characterized in that, said operation combination system comprises input part, control part and be used to carry out the outside variable power supply feeder of the overvoltage protection audit function of charger,
This input part comprises:
Switch portion; It in the ageing test operation, the output of charger is connected to load change portion and output is read in the portion; In the overvoltage protection project implementation step in the characteristic check operation, the output of above-mentioned charger is connected on the outside variable power supply feeder;
Load change portion, it changes the output load of above-mentioned charger according to the control of control part, to carry out overcurrent protection inspection and overvoltage protection inspection and load change test;
Portion is read in output, and it not only in the ageing test operation, also in the characteristic check operation, in user's preset period and step, obtains being in the voltage of the charger in the characteristic check and the input of electric current output;
Analog to digital converter, it was sampled according to the predetermined cycle, being sent to CPU from the above-mentioned electric current and the voltage output of the output portion of reading input;
CPU, it obtains the input by the above-mentioned electric current of above-mentioned analog to digital converter sampling and voltage output, independent Control current control part; Perhaps, be sent to control part, wait for that Next Command transmits through Department of Communication Force; According to the control of control part, the scope of boosting and the step-down scope of control transformation portion;
Department of Communication Force, it is responsible for the communication between above-mentioned CPU and the control part;
Current control division, it controls the output of charger according to the order of CPU;
Transformation portion, its execution is boosted or depressurization step, converts the interchange of the optimum efficiency of 110V～220V into the VD of the charger that will be divided into low pressure, middle pressure and high pressure; And
Output merging portion, it will be merged into an output by the output that transformation portion converts the above-mentioned charger of identical size to, and wherein, above-mentioned transformation portion boosts to the mutually different output voltage of above-mentioned charger or step-down and convert the voltage of identical size to,
This control part is controlled above-mentioned input part; Output current with a plurality of chargers of keeping being in ageing test is constant; And the output current of above-mentioned a plurality of chargers merged into an electric current and pass to the DC-AC converter section; Become alternating current through the current conversion of DC-AC converter section after, utilize again as the input current of a plurality of chargers that are in ageing test with above-mentioned merging.
7. the operation combination system that is used for power conversions and characteristic check automation according to claim 6 is characterized in that, said operation combination system also comprises:
Recording medium, it makes the order of CPU according to control part, reads portion, current control division and transformation portion according to the effective control load change of step portion, output; And
The user can utilize the recording medium of function of the direct Controlled CPU of graphic user interface of control part.
8. the operation combination system that is used for power conversions and characteristic check automation according to claim 6 is characterized in that,
In above-mentioned characteristic check operation,
In order to realize outside the fundamental characteristics inspection item; The further basis that realizes will be carried out the inspection item that the characteristic of the charger of characteristic check is appended; Connect outside variable power supply feeder and switch portion according to dismounting mode or the mode of being connected in parallel; So that as required, freely append oscilloscope or digital multimeter, use as the function generator of special functional module, wherein; Above-mentioned fundamental characteristics inspection item comprises: the inspection of output voltage stability, overcurrent protection inspection, overvoltage protection inspection, load change test and pulsating voltage are measured; The above-mentioned inspection item that appends comprises: Turn On Time measures, and mensuration applies after the input voltage charger, and the output voltage of charger reaches the required time of rated voltage; Turn Off Time measures, and measures and cuts off after the voltage that charger is applied, and the output voltage of charger reaches the required time of 0V; And to output signal check as the control signal of specific input signal.
9. the operation combination system that is used for power conversions and characteristic check automation according to claim 6; It is characterized in that; The input and output point that constitutes each formation portion of input part also is made up of other testing site terminal, so that periodically check the integrity of employed above-mentioned each formation portion in the characteristic check.
10. the operation combination system that is used for power conversions and characteristic check automation according to claim 6 is characterized in that,
As required, the user directly utilizes control part that each formation portion of the input part that is used for characteristic check is controlled, thereby can sequence of movement and the initial value that append and delete, changes required above-mentioned each formation portion of characteristic check project be changed.
11. the operation combination system that is used for power conversions and characteristic check automation according to claim 6 is characterized in that,
Above-mentioned analog to digital converter
Pulsating voltage in the ageing test operation is measured in the operation; Automatically obtain the output voltage of charger according to the sample rate of tens KHz～tens MHz; In addition; In the ageing test operation, read portion obtains charger according to the sample rate of tens Hz～several KHz output voltage from output.
Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070017616 | 2007-02-21 | ||
| KR10-2007-0017616 | 2007-02-21 | ||
| KR1020070017616A KR20070036753A (en) | 2007-02-21 | 2007-02-21 | Power conversion system |
| KR1020070036450A KR100817490B1 (en) | 2007-02-21 | 2007-04-13 | Power conversion system |
| KR10-2007-0036450 | 2007-04-13 | ||
| KR1020070036450 | 2007-04-13 | ||
| KR10-2007-0081077 | 2007-08-13 | ||
| KR1020070081077 | 2007-08-13 | ||
| KR1020070081077A KR100869724B1 (en) | 2007-08-13 | 2007-08-13 | Process Integration System for Automated Power Conversion and Characterization |
| PCT/KR2008/001000 WO2008102984A1 (en) | 2007-02-21 | 2008-02-20 | Power conversion system and method |
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| CN101548451A CN101548451A (en) | 2009-09-30 |
| CN101548451B true CN101548451B (en) | 2012-12-19 |
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| CN101930040A (en) * | 2010-09-26 | 2010-12-29 | 上海三星广电电子器件有限公司 | Chip embedded vacuum fluorescent display and processor aging equipment |
| CN102650664A (en) * | 2011-08-30 | 2012-08-29 | 广西南宁金络资讯科技有限公司 | Self-adaption open energy source system experiment platform |
| KR101298006B1 (en) * | 2013-05-30 | 2013-08-26 | (주) 인프론티브 | Method and apparatus of supplying power for computiong apparatus |
| CN105738743B (en) * | 2016-04-15 | 2019-05-10 | 河南开梦电子科技有限公司 | A kind of alternating-current charging pile aging test device |
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| US5013929A (en) * | 1989-11-22 | 1991-05-07 | Sundstrand Corporation | Power conversion system having prime mover start capability |
| US7112944B1 (en) * | 2005-04-19 | 2006-09-26 | Honeywell International Inc. | Electrical power system for multi-use power conditioning and engine start |
| CN1877341A (en) * | 2005-06-09 | 2006-12-13 | Stk技术株式会社 | Test equipment of semiconductor devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20040094552A (en) * | 2003-05-03 | 2004-11-10 | (주)그린파워 | Energy Regenerative Multi-Function Electronic Load |
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2007
- 2007-02-21 KR KR1020070017616A patent/KR20070036753A/en active Search and Examination
- 2007-04-13 KR KR1020070036450A patent/KR100817490B1/en not_active IP Right Cessation
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5013929A (en) * | 1989-11-22 | 1991-05-07 | Sundstrand Corporation | Power conversion system having prime mover start capability |
| US7112944B1 (en) * | 2005-04-19 | 2006-09-26 | Honeywell International Inc. | Electrical power system for multi-use power conditioning and engine start |
| CN1877341A (en) * | 2005-06-09 | 2006-12-13 | Stk技术株式会社 | Test equipment of semiconductor devices |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100817490B1 (en) | 2008-03-31 |
| KR20070036753A (en) | 2007-04-03 |
| CN101548451A (en) | 2009-09-30 |
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