CN103187786A - Power supply load control module powered by double power supply of IT (Information Technology) device and method - Google Patents
Power supply load control module powered by double power supply of IT (Information Technology) device and method Download PDFInfo
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- CN103187786A CN103187786A CN2013100456471A CN201310045647A CN103187786A CN 103187786 A CN103187786 A CN 103187786A CN 2013100456471 A CN2013100456471 A CN 2013100456471A CN 201310045647 A CN201310045647 A CN 201310045647A CN 103187786 A CN103187786 A CN 103187786A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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Abstract
The invention relates to a power supply system and method of an energy-saving type power supply module powered by a double power supply of an IT (Information Technology device). The module disclosed by the invention comprises an input power supply characteristic detecting circuit, a load distribution control circuit and a pulse width modulation circuit, wherein the power supply characteristic detecting circuit is used for detecting whether a current power supply system is an alternating current power supply or a high-voltage direct-current power supply; the load distribution control circuit is used for controlling and outputting a sampling voltage Us according to a detection result of the power supply characteristic detecting circuit; the pulse width modulation circuit is controlled after comparing the sampling voltage Us and a reference voltage U1, amplifying and shaping, so that the output ratio of the module is changed; when the alternating current is input in the power supply module, the output is automatically adjusted and increased to be about 80%; and when the high-voltage direct-current is input in the power supply module, the output is automatically adjusted and reduced to be about 20%. By adopting the power supply load control module disclosed by the invention, the system powered by the double power supply of the IT device is further optimized; and compared with the complete use of the high-voltage direct-current system of the system in operation, the energy-saving effect of the system disclosed by the invention is increased by 5%.
Description
Technical field
The present invention relates to a kind of information technoloy equipment electric power system and method for the power supply load control module for the information technoloy equipment dual power supply, belong to the communication power supply technical field.
Background technology
(1) adopts 240V high voltage direct current (hereinafter to be referred as HVDC) electric power system to substitute the interchange ups system information technoloy equipment is powered, fundamentally solved IT system power supply safety problem, also obtain simultaneously than adopting the more energy-conservation effect of interchange UPS operation.Update, optimize, promote energy-saving effect by HVDC equipment manufacturers, under the prior art condition, the HVDC maximal efficiency can only reach about 94%, further raise the efficiency, production cost and equipment dependability have produced contradiction, continue to dig the potentiality of clumsy HVDC system self, improve information technoloy equipment electric power system efficient and run into bottleneck.
(2) off-line UPS technology, though can make electric power system efficient very high, the security performance of system can not satisfy the requirement of information technoloy equipment, for a long time, is not used for important communication network and larger IT system always.
(3) in view of the foregoing, the present invention is by changing system architecture, set up dissimilar power-supply system Combination application, the 220V AC system that namely adopts HVDC system and civil power to form is given the information technoloy equipment power supply of duplicate supply module simultaneously, reaches safe and energy-conservation double effects.
(4) adopt dissimilar power-supply system Combination application, prerequisite primary condition: the one, the civil power condition is reliable relatively, the 2nd, information technoloy equipment possess duplicate supply module input and electric on isolate fully, the 3rd, the important information technoloy equipment of single supply module for power supply must employing equipment configuration 1+1 redundancy.According to field investigation, data center machine building and IDC machine room all possess service condition basically.
(5) the 220V AC system that adopts civil power to form is directly powered, power supplying efficiency 100%, and desire improves system effectiveness, must use civil power as far as possible in system's running.HVDC system effectiveness 94% is when two equal timesharing of system loading, overall efficiency 97%; Further improve the direct supply load rate of 220V AC system, overall efficiency will further improve. consider that HVDC system and information technoloy equipment internal electric source module are in state of activation constantly, keep the former load factor 80%, latter's load factor 20%, overall power supplying efficiency reaches 99%. because HVDC system and information technoloy equipment power module are in state of activation always, in case civil power dead electricity, HVDC system do not provide 100% load with can having time-delay.Guaranteeing under the prerequisite that reliability does not reduce, than simple uses HVDC system raising energy-saving effect 5%.
Summary of the invention
Purpose of the present invention is to provide a kind of system that utilizes civil power and high-voltage DC power supply simultaneously information technoloy equipment to be powered.
Technical scheme of the present invention is as follows:
A kind of information technoloy equipment dual power supply system, described system comprises mains supply system, high-voltage direct current (DC) power system, it is characterized in that:
Also include power supply load control module, described mains supply system and high-voltage direct current (DC) power system are formed the dual system current supply circuit, and connect power supply load control module respectively;
Described power supply load control module is carried out sharing of load to mains supply and high-voltage DC power supply, exports the first power module MK1 and the second source module MK2 of information technoloy equipment respectively to.
Further, the mains supply system of described system also further comprises a power frequency filter, and described power frequency filter suppresses information technoloy equipment and carries harmonic wave to the mains supply system.
Further, the mains supply system of described system also further comprises a D level lightning protection device, absorbs the surge voltage that mains supply system or this system's generator produce.
Further; described system comprises a terminal control unit; the sub power distribution both sides of described unit distribute; the corresponding insulating material of middle employing is separated; distribution each one-tenth system in both sides isolates on electric fully, the total load of setting according to comprehensive pallet and payload along separate routes; miniature circuit breaker control and protection that configuration adapts, input adopt bipolar miniature circuit breaker, output to adopt the single-stage miniature circuit breaker.
Further; described system comprises a duplicate supply input head cabinet; the secondary direct current of finishing in the system distributes; described cabinet pressed the duplicate supply input; the sub power distribution both sides distribute, and there is tangible physical space the centre at interval or adopts corresponding insulating material to separate each one-tenth system of both sides distribution; isolate fully on electric, the total load that output is set according to comprehensive pallet along separate routes adopts circuit breaker or the fuse protection of respective volume.
A kind of information technoloy equipment dual power supply method, described method is as follows:
Utilize mains supply system and high-voltage direct current (DC) power system to form the dual system current supply circuit simultaneously;
Mains supply system and high-voltage direct current (DC) power system connect power supply load control module respectively;
Power supply load control module is carried out sharing of load to mains supply and high-voltage DC power supply, exports the first power module MK1 and the second source module MK2 of information technoloy equipment respectively to;
By control power supply load control module, control mains supply system and the load sharing of high-voltage direct current (DC) power system on information technoloy equipment.
Described method is further, in the mains supply system one power frequency filter is installed, and suppresses information technoloy equipment and carries harmonic wave to the mains supply system.
Described method is further, in the mains supply system one D level lightning protection device is installed, and absorbs the surge voltage that mains supply system or this system's generator produce.
Described method is further; described method further arranges a terminal control unit; the sub power distribution both sides of described unit distribute; the corresponding insulating material of middle employing is separated; distribution each one-tenth system in both sides isolates on electric fully, the total load of setting according to comprehensive pallet and payload along separate routes; miniature circuit breaker control and protection that configuration adapts, input adopt bipolar miniature circuit breaker, output to adopt the single-stage miniature circuit breaker.
Described method is further; described method further arranges a duplicate supply input head cabinet; the secondary direct current of finishing in the system distributes; described cabinet pressed the duplicate supply input; the sub power distribution both sides distribute, and there is tangible physical space the centre at interval or adopts corresponding insulating material to separate each one-tenth system of both sides distribution; isolate fully on electric, the total load that output is set according to comprehensive pallet along separate routes adopts circuit breaker or the fuse protection of respective volume.
A kind of internal electric source module for the information technoloy equipment dual power supply is characterized in that: described module comprises input power supply natures testing circuit, Control System of Load Distribution circuit and information technoloy equipment power module pulse-width modulation circuit;
Described power supply natures testing circuit comprises: electric capacity (C1, C2), resistance (R1), rectifier (D1) and direct current relay (J1); Described electric capacity (C1) is every directly; Rectifier (D1) is converted to direct current with the AC power of input, to drive the switching of direct current relay (J1); Described electric capacity (C2) and relay (J1) are in parallel, and electric capacity (C2) and capacitor (C1) dividing potential drop guarantee that the voltage at capacitor (C1) two ends is in the working range of direct current relay (J1); Described power supply natures testing circuit also comprises resistance (R1), and described resistance (R1) is in parallel with electric capacity (C2), and when guaranteeing that line voltage fluctuates in certain scope, the voltage of direct current relay (J1) is in operating voltage range;
Described Control System of Load Distribution circuit comprises resistance (R2, R3) and divider resistance (R4), and described divider resistance (R4) inserts in parallel with resistance (R3) by the normally opened contact of direct current relay (J1); Connect with resistance (R2) again; Resistance (R4) dividing potential drop in parallel with resistance (R3) is output sampling voltage Us;
Described information technoloy equipment power module pulse-width modulation circuit comprises operational amplifier (A1, A2); The in-phase input end input voltage of described operational amplifier (A1) is Us, inverting input input reference voltage U 1, its output Ud is as operational amplifier (A2) in-phase input end, the inverting input of operational amplifier (A2) is triangular signal, after Ud and triangular signal compared, operational amplifier (A2) output pulse width modulated square wave signal was to the power module of information technoloy equipment.
Further, described direct current relay adopts optocoupler.
Further, described power supply load control module disperses to be installed in the power module inside of each information technoloy equipment; Or for the information technoloy equipment of same power load in batches, described power supply load control module is installed the control of implementing to adopt one-to-many in frame concentratedly; Or the mounting means that adopts dispersion and concentration to combine.
A kind of power supply duty control method of control module is characterized in that, described method is as follows:
One power supply natures testing circuit is arranged, the kind of the current power supply of this electric circuit inspection; When detecting current power supply and be mains supply, rectifier (D1) becomes alternating current into the available DC power supply of direct current relay (J1); Electric capacity (C1) is formed bleeder circuit with electric capacity (C2), guarantees that the voltage at electric capacity (C2) two ends satisfies the operating voltage of direct current relay (J1);
Another Control System of Load Distribution circuit, the divider resistance of this circuit (R4) inserts by the normally opened contact j1 of direct current relay (J1), after resistance (R3) is in parallel, forms bleeder circuit with resistance (R1), make the voltage decreases at resistance (R3) two ends, namely export sampling voltage Us and diminish;
Another information technoloy equipment power module pulse-width modulation circuit, output sampling voltage Us diminishes by the Ud of operational amplifier (A1) output of circuit, Ud and a triangular wave compare and produce a pulse-width modulation square-wave signal, the wide Ud size that is subjected to of its ripple is controlled, this square wave is delivered to rectification module by the inner optocoupler of power module and is driven signal, and this module output is increased.
Further, by regulating the size of divider resistance (R4), adjust the ratio that rectification module output increases.
Beneficial effect of the present invention is:
The present invention in conjunction with the development trend of high frequency switch power prior art condition and maturity and information technoloy equipment structure, under the prerequisite that operational reliability ensures, further promotes IT system energy saving in running effect with reference to business system integrated approach opinion.
(1) will adopt the pattern of single system double circuit power supply to change dual system single circuit power supply pattern into usually, dual system constitutes the .HVDC system by HVDC electric power system and civil power direct supply system respectively information technoloy equipment is played the safety guarantee effect; The civil power direct supply system provides approach for further improving energy-saving effect.
(2) the information technoloy equipment power module is increased patch, the patch content is input power supply natures testing circuit, Control System of Load Distribution circuit.After increasing patch, still possess versatility, the information technoloy equipment working method not only is suitable for this optimization system, and the electric power system to the various frameworks before optimizing is all compatible simultaneously.
(3) adopt information technoloy equipment power supply energy-saving system, be on the basis of information technoloy equipment high voltage direct current (HVDC) system, the further electric power system of optimizing, the energy-conservation HVDC energy saving of system effect of using more fully improves 5% in the operation, and construction cost uses the HVDC system to reduce more than 20% more fully.
Description of drawings
Fig. 1 is information technoloy equipment dual power supply system structure chart of the present invention.
Fig. 2 shares schematic diagram for information technoloy equipment power module load.
Fig. 3 is information technoloy equipment dual power supply general frame figure of the present invention.
Fig. 4 is power supply natures testing circuit circuit diagram of the present invention.
Fig. 5 is Control System of Load Distribution circuit figure of the present invention.
Fig. 6 is information technoloy equipment power module pulse-width modulation circuit circuit diagram of the present invention.
The automatic control waveform schematic diagram of output of Fig. 7-1, Fig. 7-2 information technoloy equipment power module pulse-width modulation circuits of the present invention, wherein U01 and Us1 and U02 and Us2 refer to two IT power module fundamental diagrams respectively, output pulse width be to exchange input, the HVDC input that the output arteries and veins is narrow.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is further elaborated.
Fig. 1 is information technoloy equipment dual power supply system structure chart of the present invention.As shown in Figure 1, described system comprises mains supply system, high-voltage direct current (DC) power system, it is characterized in that:
Also include power supply load control module, described mains supply system and high-voltage direct current (DC) power system are formed the dual system current supply circuit, and connect power supply load control module respectively;
Described power supply load control module is carried out sharing of load to mains supply and high-voltage DC power supply, exports the first power module MK1 and the second source module MK2 of information technoloy equipment respectively to.The load of the first power module MK1 of information technoloy equipment and second source module MK2 is controlled and distributed by power supply load control module, further to raise the efficiency and the stability of a system.Also may there be a plurality of power modules in information technoloy equipment, then corresponds to MK11, MK12 respectively ... MK1n; MK21, MK22 ... MK2n.
Information technoloy equipment dual power supply system of the present invention is formed the dual system power supply by one road civil power and one road HVDC.The civil power direct supply system provides approach for further improving energy-saving effect, and the HVDC system plays the safety guarantee effect to information technoloy equipment.Civil power just often, the civil power direct supply system provides most of load, during mains failure, the HVDC system bears whole loads, the capacity of HVDC system storage battery configuration guarantees that mains failure is to the required whole electric energy of civil power (or oily machine) recovery.
In order to improve electric main (or oily machine) to stability and the fail safe of information technoloy equipment power supply, the importation increases power frequency filter and the lightning protection of D level.The power frequency filter suppresses information technoloy equipment and carries harmonic wave to the mains supply system.D level lightning protection device absorbs the surge voltage that mains supply system or this system's generator produce.
Be illustrated in figure 2 as information technoloy equipment power module load and share schematic diagram.1 pair of information technoloy equipment power module of system (MK1) supply load accounting is 80-85%; 2 pairs of modules of system (MK2) supply load accounting is 20-15%.Because the whole power module MK of information technoloy equipment install identical patch, so the MK1 electric power system corresponding with MK2 can be at random.
Fig. 3 is information technoloy equipment dual power supply general frame figure of the present invention.System is made up of civil power direct supply system, HVDC system, duplicate supply input head cabinet, the terminal control unit of duplicate supply (PDU).
The civil power direct supply system exchanges the three-phase and four-line input, A, B, C single-phase output respectively, and A, B, C three-phase are always imported as different cabinets respectively, and input front end is installed power frequency filter and the lightning protection of D level, its power head cabinet total load configuration.
The HVDC system is made up of 240V high frequency switch power and storage battery.High frequency switch power exchanges the three-phase and four-line input, the output of 240V direct current, floating charge in parallel with storage battery; The configuration of high frequency switch power rectification module total capacity adds the charge in batteries capacity by 20% load capacity, and storage battery is by the total duration configuration capacity of support system.
Cabinet is pressed the duplicate supply input; the sub power distribution both sides distribute, and there is tangible physical space the centre at interval or adopts corresponding insulating material to separate each one-tenth system of both sides distribution; isolate fully on electric, the total load that output is set according to comprehensive pallet along separate routes adopts the fuse protection of respective volume.
Make up terminal control unit (PDU); the duplicate supply input; the sub power distribution both sides distribute; the corresponding insulating material of middle employing is separated; distribution each one-tenth system in both sides isolates on electric fully, the total load of setting according to comprehensive pallet and payload along separate routes; miniature short-circuiting device control and protection that configuration adapts, input adopts bipolar miniature short-circuiting device, output to adopt the miniature short-circuiting device of single-stage.
Consider the randomness of the power-supply system installation site that on-the-spot two covers are dissimilar, the randomness that terminal control unit (PDU) duplicate supply input connects, the miniature short-circuiting device of single-stage that the bipolar miniature short-circuiting device that the PDU input is adopted, output are adopted all should be selected the product of (meeting GB10963.2-2008) alternating current-direct current compatibility for use.
Fig. 4-Fig. 6 is respectively power supply natures testing circuit circuit diagram of the present invention, Control System of Load Distribution circuit figure and information technoloy equipment power module pulse-width modulation circuit circuit diagram.
Wherein, the power supply natures testing circuit comprises: electric capacity (C1, C2), resistance (R1), rectifier (D1) and direct current relay (J1); Described electric capacity (C1) is every directly; Rectifier (D1) is converted to direct current with the AC power of input, to drive the switching of direct current relay (J1); Described electric capacity (C2) and relay (J1) are in parallel, and electric capacity (C2) and capacitor (C1) dividing potential drop guarantee that the voltage at capacitor (C1) two ends is in the working range of direct current relay (J1); Described power supply natures testing circuit also comprises resistance (R1), and described resistance (R1) is in parallel with electric capacity (C2), and when guaranteeing that line voltage fluctuates in certain scope, the voltage of direct current relay (J1) is in operating voltage range;
The Control System of Load Distribution circuit comprises resistance (R2, R3) and divider resistance (R4), and described divider resistance (R4) inserts in parallel with resistance (R3) by the normally opened contact of direct current relay (J1); Connect with resistance (R2) again; Resistance (R4) dividing potential drop in parallel with resistance (R3) is output sampling voltage Us;
Information technoloy equipment power module pulse-width modulation circuit comprises operational amplifier (A1, A2); The in-phase input end input voltage of described operational amplifier (A1) is Us, inverting input input reference voltage U 1, its output Ud is as operational amplifier (A2) in-phase input end, the inverting input of operational amplifier (A2) is triangular signal, after Ud and triangular signal compared, operational amplifier (A2) output pulse width modulated square wave signal was to the power module of information technoloy equipment.
The power supply duty control method of control module of the present invention is as follows:
One power supply natures testing circuit is arranged, the kind of the current power supply of this electric circuit inspection; When detecting current power supply and be mains supply, rectifier (D1) becomes alternating current into the available DC power supply of direct current relay (J1); Electric capacity (C1) is formed bleeder circuit with electric capacity (C2), guarantees that the voltage at electric capacity (C2) two ends satisfies the operating voltage of direct current relay (J1);
Another Control System of Load Distribution circuit, the divider resistance of this circuit (R4) inserts by the normally opened contact j1 of direct current relay (J1), after resistance (R3) is in parallel, forms bleeder circuit with resistance (R1), make the voltage decreases at resistance (R3) two ends, namely export sampling voltage Us and diminish;
Another information technoloy equipment power module pulse-width modulation circuit, output sampling voltage Us diminishes by the Ud of operational amplifier (A1) output of circuit, Ud and a triangular wave compare and produce a pulse-width modulation square-wave signal, the wide Ud size that is subjected to of its ripple is controlled, this square wave is delivered to rectification module by the inner optocoupler of power module and is driven signal, and this module output is increased.
Its course of action is as follows: if MK1 is supplied with by civil power, MK2 is supplied with by high voltage direct current simultaneously.The detection loop detects primary power cource module MK1 and is input as interchange, the relay J action, and relay tip j is in closure state, as shown in Figure 5, output sampling Us ↓, Ud ↓, PWM ↑, U0 ↑ make the primary power cource module export the load of 80-85%, shown in Fig. 7-1 grid line area.
When detecting the loop and detecting MK2 and be input as high voltage direct current and supply with, C1 is every directly, and relay J is failure to actuate, and switch j is in off-state, Us,, Ud, PWM, U
0Keep normality, because the U of MK1
0↑, make MK2 output drop to the load of 20-15%, shown in Fig. 7-2 hatching area.
When civil power interruption or the fault of MK1 input, MK2 bears 100% load automatically.
When MK1, MK2 by Alternating Current Power Supply, the Us of MK1, MK2, U
0All consistent, load sharing.
When MK1, MK2 powered by high voltage direct current, the Us of MK1, MK2, U0 were all consistent, load sharing.
Adopt two kinds of dissimilar electric power systems, especially adopted the direct electric power system of civil power, to the information technoloy equipment power supply, just according to energy-conservation needs, realize different system operation different load rate automatically, this is core content of the present invention.
Adopt information technoloy equipment power supply energy-saving system, be on the basis of information technoloy equipment high voltage direct current (HVDC) system, the further electric power system of optimizing, the energy-conservation HVDC energy saving of system effect of using more fully improves 5% in the operation, and construction cost uses the HVDC system to reduce more than 20% more fully.
Claims (5)
1. power supply load control module that is used for the information technoloy equipment dual power supply, it is characterized in that: described module comprises input power supply natures testing circuit, Control System of Load Distribution circuit and information technoloy equipment power module pulse-width modulation circuit;
Described power supply natures testing circuit comprises: electric capacity (C1, C2), resistance (R1), rectifier (D1) and direct current relay (J1); Described electric capacity (C1) is every directly; Rectifier (D1) is converted to direct current with the AC power of input, to drive the switching of direct current relay (J1); Described electric capacity (C2) and relay (J1) are in parallel, and electric capacity (C2) and capacitor (C1) dividing potential drop guarantee that the voltage at capacitor (C1) two ends is in the working range of direct current relay (J1); Described power supply natures testing circuit also comprises resistance (R1), and described resistance (R1) is in parallel with electric capacity (C2), and when guaranteeing that line voltage fluctuates in certain scope, the voltage of direct current relay (J1) is in operating voltage range;
Described Control System of Load Distribution circuit comprises resistance (R2, R3) and divider resistance (R4), and described divider resistance (R4) inserts in parallel with resistance (R3) by the normally opened contact of direct current relay (J1); Connect with resistance (R2) again; Resistance (R4) dividing potential drop in parallel with resistance (R3) is output sampling voltage Us;
Described information technoloy equipment power module pulse-width modulation circuit comprises operational amplifier (A1, A2); The in-phase input end input voltage of described operational amplifier (A1) is Us, inverting input input reference voltage U 1, its output Ud is as operational amplifier (A2) in-phase input end, the inverting input of operational amplifier (A2) is triangular signal, after Ud and triangular signal compared, operational amplifier (A2) output pulse width modulated square wave signal was to the power module of information technoloy equipment.
2. power supply load control module according to claim 1 is characterized in that: described direct current relay employing optocoupler.
3. power supply according to claim 1 load control module, it is characterized in that: described power supply load control module disperses to be installed in the power module inside of each information technoloy equipment; Or for the information technoloy equipment of same power load in batches, described power supply load control module is installed the control of implementing to adopt one-to-many in frame concentratedly; Or the mounting means that adopts dispersion and concentration to combine.
4. the power supply duty control method of control module according to claim 1 is characterized in that, described method is as follows:
One power supply natures testing circuit is arranged, the kind of the current power supply of this electric circuit inspection; When detecting current power supply and be mains supply, rectifier (D1) becomes alternating current into the available DC power supply of direct current relay (J1); Electric capacity (C1) is formed bleeder circuit with electric capacity (C2), guarantees that the voltage at electric capacity (C2) two ends satisfies the operating voltage of direct current relay (J1);
Another Control System of Load Distribution circuit, the divider resistance of this circuit (R4) inserts by the normally opened contact j1 of direct current relay (J1), after resistance (R3) is in parallel, forms bleeder circuit with resistance (R2), make the voltage decreases at resistance (R3) two ends, namely export sampling voltage Us and diminish;
Another information technoloy equipment power module pulse-width modulation circuit, output sampling voltage Us diminishes by the Ud of operational amplifier (A1) output of circuit, Ud and a triangular wave compare and produce a pulse-width modulation square-wave signal, the wide Ud size that is subjected to of its ripple is controlled, this square wave is delivered to rectification module by the inner optocoupler of power module and is driven signal, and this module output is increased.
5. method according to claim 2 is characterized in that: by regulating the size of divider resistance (R4), adjust the ratio that rectification module output increases.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416334A (en) * | 2020-03-27 | 2020-07-14 | 烽火通信科技股份有限公司 | Power supply system of communication equipment and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7362007B2 (en) * | 2005-05-26 | 2008-04-22 | Walter Emory Farmer | Hybrid uninterruptible power supply system |
| CN102158083A (en) * | 2011-04-22 | 2011-08-17 | 复旦大学 | BUCK converter for stabilizing output light flux of LED (light-emitting diode) |
| CN102368631A (en) * | 2011-09-30 | 2012-03-07 | 百度在线网络技术（北京）有限公司 | Efficient and reliable power supply architecture of data center electronic equipment |
| CN102624085A (en) * | 2011-07-26 | 2012-08-01 | 苏州市龙源电力工程有限公司 | Alternating-current and direction-current (AC-DC) integrated power supply system and DC power supply cabinet |
-
2013
- 2013-02-05 CN CN201310045647.1A patent/CN103187786B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7362007B2 (en) * | 2005-05-26 | 2008-04-22 | Walter Emory Farmer | Hybrid uninterruptible power supply system |
| CN102158083A (en) * | 2011-04-22 | 2011-08-17 | 复旦大学 | BUCK converter for stabilizing output light flux of LED (light-emitting diode) |
| CN102624085A (en) * | 2011-07-26 | 2012-08-01 | 苏州市龙源电力工程有限公司 | Alternating-current and direction-current (AC-DC) integrated power supply system and DC power supply cabinet |
| CN102368631A (en) * | 2011-09-30 | 2012-03-07 | 百度在线网络技术（北京）有限公司 | Efficient and reliable power supply architecture of data center electronic equipment |
Non-Patent Citations (1)
| Title |
|---|
| 王丽娟: "海量脉冲电表远程抄表现地采集模块研究", 《微计算机信息》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416334A (en) * | 2020-03-27 | 2020-07-14 | 烽火通信科技股份有限公司 | Power supply system of communication equipment and control method thereof |
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