CN204013257U - A kind of circuit of cordwood system type tunable voltage dc power supply module - Google Patents
A kind of circuit of cordwood system type tunable voltage dc power supply module Download PDFInfo
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- CN204013257U CN204013257U CN201420482697.6U CN201420482697U CN204013257U CN 204013257 U CN204013257 U CN 204013257U CN 201420482697 U CN201420482697 U CN 201420482697U CN 204013257 U CN204013257 U CN 204013257U
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- isolating diode
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Abstract
A kind of circuit of cordwood system type tunable voltage dc power supply module, comprise isolating diode A, isolating diode B, DC power supplier A, DC power supplier B, control circuit, DC power supplier A, isolating diode A connects successively, DC power supplier A is with the parallel connection of DC power supplier B one end and be connected AC220V, isolating diode A is with isolating diode B parallel connection and be connected output, DC power supplier B connects isolating diode B, control circuit produces 0～5V Regulation Control signal controlling adjusting pressuring dc power module and produces adjustable voltage output, output separately connects together as total output after by isolating diode, there is volume little, lightweight, handling safety, tissue is produced advantage simple and with low cost.
Description
Technical field
The utility model belongs to power module technical field, is specifically related to a kind of circuit of cordwood system type tunable voltage dc power supply module.
Background technology
In electric power system, according to existing country, before industry standard or code need to put into operation to the electric equipment of new installation, after putting into operation, move a period of time, or equipment carries out DC break down voltage or DC leakage test before again putting into operation after being out of order and repairing, such test apparatus is according to the size of output current, its power output of the height of output voltage generally can be in 100W～30kW scope, the implementation method of the power pressure regulation part routine in this testing equipment is to select corresponding drive circuit and MOS power tube or IGBT module according to watt level, can cause the power device specification of equipment many, structural change is large, cost is higher, production management relative complex.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of circuit of cordwood system type tunable voltage dc power supply module, have the advantages that to reduce production management difficulty, enhance productivity, reduce production costs, reach the object that expands tunable voltage dc power supply module power output.
To achieve these goals, the technical solution adopted in the utility model is: a kind of circuit of cordwood system type tunable voltage dc power supply module, comprises isolating diode A4, isolating diode B5, DC power supplier A2, DC power supplier B3; Control circuit 1, DC power supplier A2, isolating diode A4 connect successively; DC power supplier A2 is with the parallel connection of DC power supplier B3 one end and be connected AC220V; Isolating diode A4 is with isolating diode B5 parallel connection and be connected output; DC power supplier B3 connects isolating diode B5.
Described control circuit 1 is exported 0～5V Regulation Control signal.
Described DC power supplier A2, the number of DC power supplier B3 match with output gross power.
The quantity of described isolating diode A4, isolating diode B5 matches with the number of DC power supplier A2, DC power supplier B3.
The operating current of described isolating diode A4, isolating diode B5 matches with the working current value of DC power supplier A2, DC power supplier B3.
The beneficial effects of the utility model are:
The utility model can expand tunable voltage dc power supply module power output, and the circuit of cordwood system type tunable voltage dc power supply module also has advantages of that volume is little, lightweight, handling safety, tissue are produced simple and with low cost.
Brief description of the drawings
Fig. 1 is circuit schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, utility model content is described further:
As shown in Figure 1, a kind of circuit of cordwood system type tunable voltage dc power supply module, comprises isolating diode A4, isolating diode B5, DC power supplier A2, DC power supplier B3, and control circuit 1, DC power supplier A2, isolating diode A4 connect successively; DC power supplier A2 is connected AC220V with DC power supplier B3 one end point in parallel; Isolating diode A4 is connected output with isolating diode B5 point in parallel, and DC power supplier B3 connects isolating diode B5.
Described control circuit 1 is exported 0～5V Regulation Control signal.
Described DC power supplier A2, the number of DC power supplier B3 match with output gross power.
The quantity of described isolating diode A4, isolating diode B5 matches with the number of DC power supplier A2, DC power supplier B3.
The operating current of described isolating diode A4, isolating diode B5 matches with the working current value of DC power supplier A2, DC power supplier B3.
Operation principle of the present utility model is:
AC220V working power is connected to DC power supplier A2, DC power supplier B3, simultaneously control circuit 1 produces 0～5V Regulation Control signal and is connected to DC power supplier A2, DC power supplier B3 and controls DC power supplier A2, DC power supplier B3 and export respectively 0～DC150V, it connects respectively the positive ends of isolating diode A4, isolating diode B5, the negative polarity end of isolating diode A4, isolating diode B5 connects together and does total output, and gross output is the twice of single DC power supplier A2, DC power supplier B3.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, according to technical spirit of the present utility model, within spirit of the present utility model and principle, the any simple amendment that above embodiment is done, be equal to replacement and improvement etc., within all still belonging to the protection range of technical solutions of the utility model.
Claims (5)
1. the circuit of a cordwood system type tunable voltage dc power supply module, comprise isolating diode A(4), isolating diode B(5), DC power supplier A(2), DC power supplier B(3), it is characterized in that control circuit (1), DC power supplier A(2), isolating diode A(4) successively series connection; DC power supplier A(2) with DC power supplier B(3) one end is in parallel and be connected AC220V; Isolating diode A(4) with isolating diode B(5) in parallel and be connected output; DC power supplier B(3) connection isolating diode B(5).
2. the circuit of a kind of cordwood system type tunable voltage dc power supply module according to claim 1, is characterized in that, described control circuit (1) output 0～5V Regulation Control signal.
3. the circuit of a kind of cordwood system type tunable voltage dc power supply module according to claim 1, is characterized in that, described DC power supplier A(2), DC power supplier B(3) number with output gross power match.
4. the circuit of a kind of cordwood system type tunable voltage dc power supply module according to claim 1, it is characterized in that described isolating diode A(4), isolating diode B(5) quantity and DC power supplier A(2), DC power supplier B(3) number match.
5. the circuit of a kind of cordwood system type tunable voltage dc power supply module according to claim 1, it is characterized in that described isolating diode A(4), isolating diode B(5) working current value and DC power supplier A(2), DC power supplier B(3) working current value match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482697.6U CN204013257U (en) | 2014-08-26 | 2014-08-26 | A kind of circuit of cordwood system type tunable voltage dc power supply module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482697.6U CN204013257U (en) | 2014-08-26 | 2014-08-26 | A kind of circuit of cordwood system type tunable voltage dc power supply module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013257U true CN204013257U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420482697.6U Active CN204013257U (en) | 2014-08-26 | 2014-08-26 | A kind of circuit of cordwood system type tunable voltage dc power supply module |
Country Status (1)
| Country | Link |
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| CN (1) | CN204013257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959283A (en) * | 2017-11-30 | 2018-04-24 | 宁夏共享模具有限公司 | 3D printing head Driver Card bistable state closed-loop direct electric power system and method |
-
2014
- 2014-08-26 CN CN201420482697.6U patent/CN204013257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959283A (en) * | 2017-11-30 | 2018-04-24 | 宁夏共享模具有限公司 | 3D printing head Driver Card bistable state closed-loop direct electric power system and method |
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