CN105375763A - Power grid distribution personnel special-purpose DCDC converting circuit and DCDC converter - Google Patents
Power grid distribution personnel special-purpose DCDC converting circuit and DCDC converter Download PDFInfo
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- CN105375763A CN105375763A CN201510743738.1A CN201510743738A CN105375763A CN 105375763 A CN105375763 A CN 105375763A CN 201510743738 A CN201510743738 A CN 201510743738A CN 105375763 A CN105375763 A CN 105375763A
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Abstract
The invention provides a power grid distribution personnel special-purpose DCDC converting circuit and DCDC converter. The special-purpose DCDC converting circuit comprises a Buck-Boost circuit; the Buck-Boost circuit comprises resistors R3 and R4 which are used for performing voltage sampling and feedback at an output terminal; at least one of the resistors R3 and R4 is a resistance element with adjustable resistance; the output terminal of the Buck-Boost circuit is provided with a voltage display unit. The special-purpose DCDC converter comprises a housing and the DCDC converting circuit; the adjusting mechanism of the resistance element with adjustable resistance is installed on the housing. The Buck-Boost circuit and the voltage display unit are arranged in the housing; the housing is provided with an observation window. According to the invention, the voltage regulating scope and flexibility of a present DCDC converting circuit and DCDC converter are improved, thereby increasing power grid distribution personnel work efficiency.
Description
Technical field
The present invention relates to DC power supply conversion art, specifically the special DCDC translation circuit of a kind of electrical network distribution personnel and dcdc converter.
Background technology
At present, for the electrical network distribution personnel of 10kv-35kv, it not only will control the operation of controller switching equipment, also will be responsible for the maintenance of controller switching equipment, and a usual people needs the operation and maintenance of responsible multiple stage controller switching equipment, and workload is large.In addition, in view of the needs of job specification, distribution personnel the controller switching equipment be responsible for often can not in same place, electrical network distribution personnel often need constantly to change job site according to actual conditions.
For electrical network distribution personnel, its usual needs are equipped with oneself the mancarried electronic aids such as mobile phone, digital camera, infrared radiation thermometer and State Grid Corporation of China's wireless video record card terminal, the direct voltage size that it uses is usually different, if be that above-mentioned each electrical appliance is equipped with mains charger, then every distribution personnel will carry very many mains chargers, not only increase heavy burden, and be easy to occur omitting phenomenon, and then affect the operating efficiency of electrical network distribution personnel.
At present, dcdc converter (DC to DC converter) has been widely used on the mancarried electronic aids such as mobile phone, MP3, digital camera, and common classification has: step-up DC/DC converter, voltage-dropping type dcdc converter and buck-boost type dcdc converter.Wherein, for the buck-boost type dcdc converter adopting Buck-Boost circuit, its Buck-Boost circuit adopts control chip as its controller usually, and usually the control chip of Buck-Boost circuit is connected respectively with two resistance R1 and R2, and after being connected by above-mentioned two resistance R1 and R2, be connected in parallel on the output of described Buck-Boost circuit, for carrying out voltage sample and feedback, and then the control chip being convenient to Buck-Boost circuit boosts or reduction regulation to passed into direct current, XL6019 system parameters measuring circuit as shown in Figure 3: resistance R1 and the R2 shown in figure is connected in parallel on the two ends of output COUT after connecting, two resistance R1 and R2 connect with the voltage sample pin 5FB of control chip XL6019 respectively, for carrying out voltage sample and feedback after two resistance R1 and R2 composition potential-divider networks, and then be convenient to control chip XL6019 the initial DC electricity accessed by incoming end VIN is boosted or reduction regulation.
But existing DCDC translation circuit and above-mentioned existing dcdc converter and there is following deficiency usually:
(1) when in the face of two and above DC voltage level, existing dcdc converter and DCDC translation circuit often because Input transformation voltage is fixed or voltage conversion range is little, cannot meet use most of time;
(2) even if having the wide dcdc converter of minority input voltage transformation range and DCDC translation circuit to carry out work, its output voltage also mixes up often in advance, can only or say can only regulate according to the respective markers on DCDC translation circuit according to converter in working site, not only volume is large, and cannot flexible be carried out, the scope of application is limited to, and affects the operating efficiency of distribution personnel.
In addition, in view of the polytropy in above-mentioned electrical network distribution person works place, can be often different for the output interface of its original power, and the power interface of above-mentioned each mancarried electronic aid is also often different, existing DCDC translation circuit and dcdc converter cannot meet the demand of electrical network distribution personnel, and then affect the operating efficiency of electrical network distribution personnel.
This is the deficiencies in the prior art part.
Summary of the invention
Technical problem to be solved by this invention is, for the deficiencies in the prior art, the special DCDC translation circuit of a kind of electrical network distribution personnel and dcdc converter are provided, for increasing range of regulation and the pressure regulation flexibility ratio of existing DCDC translation circuit and dcdc converter, to meet the need for electricity of electrical network distribution personnel, and then improve the operating efficiency of electrical network distribution personnel.
For solving the problems of the technologies described above, the invention provides the special DCDC translation circuit of a kind of electrical network distribution personnel, comprise Buck-Boost circuit, described Buck-Boost circuit comprises control chip and resistance R3 and R4 for carrying out voltage sample and feedback at the output of Buck-Boost circuit, be connected in parallel on the output of described Buck-Boost circuit after two described resistance R3 and R4 connect, two described resistance R3 and R4 connect respectively with described control chip; One is had at least for the adjustable resistive element of resistance in above-mentioned resistance R3 and resistance R4; The input of described Buck-Boost circuit is connected with plant-grid connection interface, and the output of described Buck-Boost circuit is connected with conversion electric power output interface, is provided with voltage display unit between described Buck-Boost circuit and described conversion electric power output interface.
When using this DCDC translation circuit, by regulating the resistive element that in described resistance R3 and R4, resistance is adjustable, thus voltage sample and the feedback of output is carried out by resistance R3 and R4, Buck-Boost circuit combines the signal received afterwards, boosts or reduction regulation exporting to accessed direct current.
Described voltage display unit comprises the voltage signal acquisition module, signal processing unit and the display unit that are in series, and described voltage signal acquisition module is connected with the output of described Buck-Boost circuit.
Described voltage display unit adopts LED digital voltmeter.
The quantity of described plant-grid connection interface is at least two, and the quantity of described conversion electric power output interface is at least two.
Described plant-grid connection interface comprises crocodile clip interface, USB interface and cigarette lighter plug.
Described conversion electric power output interface comprises crocodile clip interface, USB interface, DC attaching plug, LightningDock interface and MicroUSB interface.
Described resistive element is adjustable resistor or potentiometer.
Present invention also offers a kind of special dcdc converter of electrical network distribution personnel using above-mentioned electrical network distribution personnel special DCDC translation circuit.The special dcdc converter of this electrical network distribution personnel comprises housing and described DCDC translation circuit, power input interface and the conversion electric power output interface of described DCDC translation circuit are arranged on outside housing, the Buck-Boost circuit of described DCDC translation circuit and voltage display unit are arranged in described housing, and in wherein said Buck-Boost circuit, the governor motion of the resistive element that resistance is adjustable is arranged on described housing; Described housing is also provided with the observation window of the voltage readings for observing described voltage display unit.
The voltage display unit of described DCDC translation circuit adopts LED digital voltmeter.The volume of LED digital voltmeter is little, and this can reduce the volume of DCDC translation circuit, and then can reduce the volume of dcdc converter to a certain extent, makes relative being easy to carry of dcdc converter.
The plant-grid connection interface of described DCDC translation circuit comprises crocodile clip interface, USB interface and cigarette lighter plug; The conversion electric power output interface of described DCDC translation circuit comprises crocodile clip interface, USB interface, DC attaching plug, LightningDock interface and MicroUSB interface.
Compared with prior art, the invention has the advantages that:
(1) DCDC translation circuit of the present invention comprises Buck-Boost circuit and resistance R3 and R4 for carrying out voltage sample and feedback at the output of Buck-Boost circuit, and have one in described resistance R3 and resistance R4 at least for the adjustable resistive element of resistance, and be provided with voltage display unit at the output of Buck-Boost circuit, during use, can while by regulating the direct voltage of resistance size adjustment Buck-Boost circuit to input of the adjustable resistive element of above-mentioned resistance to carry out buck adjustment continuously, while the voltage now exported by voltage display unit Real Time Observation, when being observed the voltage that exported voltage reaches required by voltage display unit, the adjustment to Buck-Boost circuit can be stopped, this can overcome the deficiency of the existing DCDC translation circuit described in background technology, thus increase range of regulation and the pressure regulation flexibility ratio of existing DCDC translation circuit, to meet the need for electricity of electrical network distribution personnel, and then improve the operating efficiency of electrical network distribution personnel,
(2) quantity of the plant-grid connection interface of DCDC translation circuit of the present invention is at least two, and the quantity of the conversion electric power output interface of described DCDC translation circuit is at least two, this can improve the convenience of the mancarried electronic aid electricity consumption that electrical network distribution personnel are equipped with to a certain extent, the demand of electrical network distribution personnel can be met to a certain extent, and then the operating efficiency of electrical network distribution personnel can be improved to a certain extent;
(3) dcdc converter of the present invention comprises described DCDC translation circuit, during use, can while carry out buck adjustment by the direct voltage of Buck-Boost circuit to input of DCDC translation circuit, while the voltage now exported by the voltage display unit Real Time Observation of DCDC translation circuit, when being observed the voltage that exported voltage reaches required by voltage display unit, the adjustment to described Buck-Boost circuit can be stopped, this can overcome the deficiency of the existing dcdc converter described in background technology, thus increase range of regulation and the pressure regulation flexibility ratio of existing dcdc converter, to meet the need for electricity of electrical network distribution personnel, and then improve the operating efficiency of electrical network distribution personnel,
(4) the plant-grid connection interface of the DCDC translation circuit of dcdc converter of the present invention comprises crocodile clip interface, USB interface and cigarette lighter plug, the conversion electric power output interface of the DCDC translation circuit of described dcdc converter comprises crocodile clip interface, USB interface, DC attaching plug, LightningDock interface and MicroUSB interface, above-mentioned plant-grid connection interface and conversion electric power output interface are all designed to multiple, and are all designs that the power interface often used in real work according to electrical network distribution personnel carries out, this can meet the demand of electrical network distribution personnel to a great extent, and then the operating efficiency of electrical network distribution personnel can be improved to a great extent.
As can be seen here, compared with prior art, have outstanding substantive distinguishing features and significant progress, its beneficial effect implemented also is apparent in the present invention.
Accompanying drawing explanation
Fig. 1 is the electrical principle block diagram representation of DCDC translation circuit of the present invention;
Fig. 2 is the structural representation of dcdc converter of the present invention;
Fig. 3 is prior art.
Wherein: 1 is housing, 2 is observation window, and 3 is voltage display unit, 4 is DCDC translation circuit, 5 is plant-grid connection interface, and 6 is plant-grid connection interface, and 7 is plant-grid connection interface, 8 is conversion electric power output interface, 9 is conversion electric power output interface, and 10 is conversion electric power output interface, and 11 is conversion electric power output interface, 12 is conversion electric power output interface, and 13 is adjusting knob.
Embodiment
For making technical scheme of the present invention and advantage clearly, below in conjunction with accompanying drawing of the present invention, technical scheme of the present invention is clearly and completely described.
As shown in Figure 1, the special DCDC translation circuit of a kind of electrical network distribution personnel of the present invention, comprise Buck-Boost circuit, described Buck-Boost circuit comprises control chip and resistance R3 and R4 for carrying out voltage sample and feedback at the output of Buck-Boost circuit, be connected in parallel on the output of described Buck-Boost circuit after two described resistance R3 and R4 connect, two described resistance R3 and R4 connect respectively with described control chip.Above-mentioned resistance R3 adopts knob potentiometer, and resistance R4 is fixed value resistance.The input of described Buck-Boost circuit is connected with 3 plant-grid connection interfaces.These 3 plant-grid connection interfaces are respectively crocodile clip interface, USB interface and cigarette lighter plug.The output of described Buck-Boost circuit is connected with 5 conversion electric power output interfaces, and these 5 conversion electric power output interfaces are respectively crocodile clip interface, USB interface, DC attaching plug, LightningDock interface and MicroUSB interface.Voltage display unit 3 is provided with between described Buck-Boost circuit and described conversion electric power output interface, this voltage display unit 3 comprises the voltage signal acquisition module, signal processing unit and the display unit that are in series, and described voltage signal acquisition module is connected with the output of described Buck-Boost circuit.
Wherein, resistance R3, R4 in described Buck-Boost circuit and the wiring relation between control chip are not drawn by the form of accompanying drawing, the control chip that those skilled in the art can select according to it, selects the applicable mode of connection to realize from prior art.
During use, first select suitable plant-grid connection interface, and it be connected with DC power supply to be accessed, regulator potentiometer R3 regulates afterwards, Buck-Boost circuit, in conjunction with the voltage sample of resistance R3 and R4 and feedback signal, boosts to accessed direct current or reduction regulation exporting; In above-mentioned pressure regulation process, voltage display unit 3 is in real time by the voltage signal of voltage signal acquisition module acquires Buck-Boost circuit output, and the voltage signal collected is sent to signal processing unit processes, shown by display unit afterwards.Distribution staff can carry out the pressure regulation of DC power supply in limit by Buck-Boost circuit, while observed by above-mentioned display unit, until observe required voltage readings on above-mentioned display unit, stop pressure regulation; Suitable conversion electric power output interface and corresponding electronic equipment is selected to charge afterwards.
For reducing the volume of follow-up dcdc converter, be convenient to carrying of distribution personnel to a certain extent, in the present embodiment, described voltage display unit 3 adopts LED digital voltmeter, is namely gathered by the output voltage of LED digital voltmeter to Buck-Boost circuit, process and is shown.In addition, for above-mentioned voltage display unit 3, those skilled in the art also can, according to actual conditions, select correlation module of the prior art to implement.
As shown in Figure 2, present invention also offers a kind of special dcdc converter of electrical network distribution personnel using above-mentioned electrical network distribution personnel special DCDC translation circuit 4, for this electrical network distribution personnel special DCDC translation circuit 4, hereinafter referred DCDC translation circuit 4.The special dcdc converter of this electrical network distribution personnel comprises housing 1 and described DCDC translation circuit 4, the power input interface of described DCDC translation circuit 4 and conversion electric power output interface are arranged on outside housing 1, the Buck-Boost circuit of described DCDC translation circuit 4 and LED digital voltmeter are arranged in described housing 1, and in wherein said Buck-Boost circuit, the adjusting knob 13 of resistance R3 is arranged on described housing 1; Described housing 1 is also provided with the observation window 2 of the voltage readings for observing described LED digital voltmeter.
The special dcdc converter of this electrical network distribution personnel in use, first suitable plant-grid connection interface is selected, and it is connected with DC power supply to be accessed, the adjusting knob 13 of regulator potentiometer R3 afterwards, Buck-Boost circuit, in conjunction with the voltage sample of resistance R3 and R4 and feedback signal, boosts to accessed direct current or reduction regulation exporting; In above-mentioned pressure regulation process, LED digital voltmeter gathers the output voltage of described Buck-Boost circuit, process and shows in real time.Distribution staff can carry out pressure regulation by above-mentioned pressure regulating device to described raw DC power supply in limit, while observed the voltage readings on LED digital voltmeter by described observation window 2, until stop pressure regulation observing required voltage readings on above-mentioned LED digital voltmeter after; Suitable conversion electric power output interface and corresponding electronic equipment is selected to charge afterwards.Flexible adjustment and easy to use.
To sum up, present invention achieves the real-time visual of the voltage that dcdc converter exports, thus in certain voltage range, be convenient to electrical network distribution personnel rapid pressure adjusting to required voltage, and be convenient to realize the connection with associated electronic device fast by corresponding conversion electric power output interface, not only increase adjustable go out the scope of magnitude of voltage, and flexible adjustment, easy to use, meet the need for electricity of electrical network distribution personnel, and then improve the operating efficiency of electrical network distribution personnel.
In addition, structure of the present invention is simple, and each components and parts volume is relatively little, and the dcdc converter volume formed by each components and parts is relatively little, is easy to carry and use.
Above execution mode only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to aforementioned embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in aforementioned each execution mode, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each execution mode technical scheme of the present invention.
Claims (10)
1. the special DCDC translation circuit of electrical network distribution personnel, comprises Buck-Boost circuit, and described Buck-Boost circuit comprises resistance R3 and R4 for carrying out voltage sample and feedback at its output; It is characterized in that: have one in above-mentioned resistance R3 and resistance R4 at least for the adjustable resistive element of resistance; The input of described Buck-Boost circuit is connected with plant-grid connection interface, and the output of described Buck-Boost circuit is connected with conversion electric power output interface, is provided with voltage display unit between described Buck-Boost circuit and described conversion electric power output interface.
2. the special DCDC translation circuit of electrical network distribution personnel according to claim 1, it is characterized in that: described voltage display unit comprises the voltage signal acquisition module, signal processing unit and the display unit that are in series, described voltage signal acquisition module is connected with the output of described Buck-Boost circuit.
3. the special DCDC translation circuit of electrical network distribution personnel according to claim 1 and 2, is characterized in that: described voltage display unit adopts LED digital voltmeter.
4. the special DCDC translation circuit of electrical network distribution personnel according to claim 1 and 2, it is characterized in that: the quantity of described plant-grid connection interface is at least two, the quantity of described conversion electric power output interface is at least two.
5. the special DCDC translation circuit of electrical network distribution personnel according to claim 4, is characterized in that: described plant-grid connection interface comprises crocodile clip interface, USB interface and cigarette lighter plug.
6. the special DCDC translation circuit of electrical network distribution personnel according to claim 4, is characterized in that: described conversion electric power output interface comprises crocodile clip interface, USB interface, DC attaching plug, LightningDock interface and MicroUSB interface.
7. the special DCDC translation circuit of electrical network distribution personnel according to claim 1 and 2, is characterized in that: described resistive element is adjustable resistor or potentiometer.
8. one kind uses the special dcdc converter of electrical network distribution personnel of electrical network distribution personnel as claimed in claim 1 or 2 special DCDC translation circuit, it is characterized in that: comprise housing and described DCDC translation circuit, power input interface and the conversion electric power output interface of described DCDC translation circuit are arranged on outside housing, the Buck-Boost circuit of described DCDC translation circuit and voltage display unit are arranged in described housing, and in wherein said Buck-Boost circuit, the governor motion of the resistive element that resistance is adjustable is arranged on described housing; Described housing is also provided with the observation window of the voltage readings for observing described voltage display unit.
9. the special dcdc converter of electrical network distribution personnel according to claim 8, is characterized in that: the voltage display unit of described DCDC translation circuit adopts LED digital voltmeter.
10. the special dcdc converter of electrical network distribution personnel according to claim 8, is characterized in that: the plant-grid connection interface of described DCDC translation circuit comprises crocodile clip interface, USB interface and cigarette lighter plug; The conversion electric power output interface of described DCDC translation circuit comprises crocodile clip interface, USB interface, DC attaching plug, LightningDock interface and MicroUSB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743738.1A CN105375763A (en) | 2015-11-05 | 2015-11-05 | Power grid distribution personnel special-purpose DCDC converting circuit and DCDC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743738.1A CN105375763A (en) | 2015-11-05 | 2015-11-05 | Power grid distribution personnel special-purpose DCDC converting circuit and DCDC converter |
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| CN105375763A true CN105375763A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510743738.1A Pending CN105375763A (en) | 2015-11-05 | 2015-11-05 | Power grid distribution personnel special-purpose DCDC converting circuit and DCDC converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167235A (en) * | 2019-06-12 | 2019-08-23 | 深圳市银色星空光电科技有限公司 | A kind of buck method, apparatus of low-pressure lamp, low pressure lamp apparatus and its system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6137280A (en) * | 1999-01-22 | 2000-10-24 | Science Applications International Corporation | Universal power manager with variable buck/boost converter |
-
2015
- 2015-11-05 CN CN201510743738.1A patent/CN105375763A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6137280A (en) * | 1999-01-22 | 2000-10-24 | Science Applications International Corporation | Universal power manager with variable buck/boost converter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167235A (en) * | 2019-06-12 | 2019-08-23 | 深圳市银色星空光电科技有限公司 | A kind of buck method, apparatus of low-pressure lamp, low pressure lamp apparatus and its system |
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Application publication date: 20160302 |
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