CN204244068U - A kind of start-up circuit for electric motor car high-voltage switch power supply - Google Patents
A kind of start-up circuit for electric motor car high-voltage switch power supply Download PDFInfo
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- CN204244068U CN204244068U CN201420658818.8U CN201420658818U CN204244068U CN 204244068 U CN204244068 U CN 204244068U CN 201420658818 U CN201420658818 U CN 201420658818U CN 204244068 U CN204244068 U CN 204244068U
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- resistance
- voltage stabilizing
- stabilizing didoe
- polar capacitor
- power supply
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 41
- 239000003990 capacitor Substances 0.000 claims abstract description 30
- 230000005669 field effect Effects 0.000 claims abstract description 18
- 238000000151 deposition Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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Abstract
The utility model discloses a kind of start-up circuit for electric motor car high-voltage switch power supply, comprise direct-current switch power supply, first resistance, second resistance, 3rd resistance, N channel depletion type field effect transistor, triode, first voltage stabilizing didoe, second voltage stabilizing didoe, 3rd voltage stabilizing didoe, first diode, second diode, first polar capacitor, second polar capacitor and transformer, first resistance, second resistance, 3rd resistance, N channel depletion type field effect transistor, first voltage stabilizing didoe, second voltage stabilizing didoe, 3rd voltage stabilizing didoe, first polar capacitor and the second polar capacitor form delay startup circuit.A kind of start-up circuit for electric motor car high-voltage switch power supply described in the utility model, by the control circuit depositing energy of polar capacitor, makes circuit pass of breaking down have no progeny and can start voluntarily, is convenient to eliminate fault.
Description
Technical field
The utility model relates to a kind of auxiliary circuit of power supply of electric automobile, particularly relates to a kind of start-up circuit with self-starting for electric motor car high-voltage switch power supply.
Background technology
Along with the shortage of oil and increasingly sharpening of environmental pollution, the oil price of automobile constantly rises, and electric automobile is as the effective way addressed these problems.Electric automobile will use electric machine control system, and the performance of electric machine control system largely depends on the efficiency of power supply high voltage Switching Power Supply, and start-up circuit plays conclusive effect for the efficiency of high-voltage switch power supply.Current start-up circuit is had no progeny cannot start voluntarily in circuit pass of breaking down, and strengthens the difficulty eliminating fault.
Utility model content
The purpose of this utility model is just to provide a kind of start-up circuit with self-starting for electric motor car high-voltage switch power supply to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of start-up circuit for electric motor car high-voltage switch power supply described in the utility model, comprises direct-current switch power supply, first resistance, second resistance, 3rd resistance, N channel depletion type field effect transistor, triode, first voltage stabilizing didoe, second voltage stabilizing didoe, 3rd voltage stabilizing didoe, first diode, second diode, first polar capacitor, second polar capacitor and transformer, the positive pole of described direct-current switch power supply simultaneously with the first end of described first resistance, the first end of described second resistance connects, the second end of described first resistance simultaneously with the grid of described N channel depletion type field effect transistor, the negative pole of described first voltage stabilizing didoe, the collector electrode of described triode connects, and the second end of described second resistance is connected with the drain electrode of described N channel depletion type field effect transistor, with the positive pole of described first voltage stabilizing didoe while of the source electrode of described N channel depletion type field effect transistor, the positive pole of described first diode connects, the negative pole of described first diode simultaneously with the negative pole of described second voltage stabilizing didoe, the positive pole of described first polar capacitor, the first end of described 3rd resistance connects, the emitter of described triode is connected with the first input end of described transformer, the base stage of described triode is connected with the positive pole of described 3rd voltage stabilizing didoe, the negative pole of described 3rd voltage stabilizing didoe simultaneously with the second end of described 3rd resistance, the positive pole of described second polar capacitor connects, the positive pole of described second voltage stabilizing didoe simultaneously with the negative pole of described first polar capacitor, the negative pole of described second polar capacitor, the negative pole of described second diode, the negative pole of described direct-current switch power supply connects, and the positive pole of described second diode is connected with the second input of described transformer, and the output of described transformer is as the voltage output end of described start-up circuit.
The beneficial effects of the utility model are:
A kind of start-up circuit for electric motor car high-voltage switch power supply described in the utility model, by the control circuit depositing energy of polar capacitor, makes circuit pass of breaking down have no progeny and can start voluntarily, is convenient to eliminate fault.
Accompanying drawing explanation
Fig. 1 is a kind of start-up circuit for electric motor car high-voltage switch power supply described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of start-up circuit for electric motor car high-voltage switch power supply described in the utility model, comprises direct-current switch power supply (in figure+Vcc power supply), first resistance R1, second resistance R2, 3rd resistance R3, N channel depletion type field effect transistor M, triode Q, first voltage stabilizing didoe DZ1, second voltage stabilizing didoe DZ2, 3rd voltage stabilizing didoe DZ3, first diode D1, second diode D2, first polar capacitor C1, second polar capacitor C2 and transformer T, the positive pole of direct-current switch power supply simultaneously with the first end of the first resistance R1, the first end of the second resistance R2 connects, second end of the first resistance R1 simultaneously with the grid of N channel depletion type field effect transistor M, the negative pole of the first voltage stabilizing didoe DZ1, the collector electrode of triode Q connects, and second end of the second resistance R2 is connected with the drain electrode of N channel depletion type field effect transistor M, with the positive pole of the first voltage stabilizing didoe DZ1 while of the source electrode of N channel depletion type field effect transistor M, the positive pole of the first diode D1 connects, the negative pole of the first diode D1 simultaneously with the negative pole of the second voltage stabilizing didoe DZ2, the positive pole of the first polar capacitor C1, the first end of the 3rd resistance R3 connects, and the emitter of triode Q is connected with the first input end of transformer T, and the base stage of triode Q is connected with the positive pole of the 3rd voltage stabilizing didoe DZ3, with second end of the 3rd resistance R3 while of the negative pole of the 3rd voltage stabilizing didoe DZ3, the positive pole of the second polar capacitor C2 connects, the positive pole of the second voltage stabilizing didoe DZ2 simultaneously with the negative pole of the first polar capacitor C1, the negative pole of the second polar capacitor C2, the negative pole of the second diode D2, the negative pole of direct-current switch power supply connects, and the positive pole of the second diode D2 is connected with second input of transformer T, and the output of transformer T is as the voltage output end Uo of start-up circuit.
A kind of start-up circuit for electric motor car high-voltage switch power supply described in the utility model, the first resistance R1, the second resistance R2, the 3rd resistance R3, N channel depletion type field effect transistor M, the first voltage stabilizing didoe DZ1, the second voltage stabilizing didoe DZ2, the 3rd voltage stabilizing didoe DZ3, the first polar capacitor C1 and the second polar capacitor C2 form delay startup circuit.Direct-current switch power supply powers on, N channel depletion type field effect transistor M is opened by the effect of the first resistance R1 and the first voltage stabilizing didoe DZ1, voltage charges to the first polar capacitor C1 and the second polar capacitor C2 by the second resistance R2, the 3rd resistance R3, the first diode D1, the second voltage stabilizing didoe DZ2 and the 3rd voltage stabilizing didoe DZ3, after second polar capacitor C2 reaches certain voltage, the 3rd voltage stabilizing didoe DZ2 is punctured, triode Q conducting, N channel depletion type field effect transistor M disconnects, and direct-current switch power supply steady operation outputs to control drive circuit.When circuit needs to restart, second polar capacitor C2 is discharged by the 3rd resistance R3, and the base voltage of triode Q declines, and triode Q turns off, voltage opens N channel depletion type field effect transistor M by the effect of the first resistance R1 and the first voltage stabilizing didoe DZ1 again, reaches the object of self-starting.
Claims (1)
1. for a start-up circuit for electric motor car high-voltage switch power supply, it is characterized in that: comprise direct-current switch power supply, first resistance, second resistance, 3rd resistance, N channel depletion type field effect transistor, triode, first voltage stabilizing didoe, second voltage stabilizing didoe, 3rd voltage stabilizing didoe, first diode, second diode, first polar capacitor, second polar capacitor and transformer, the positive pole of described direct-current switch power supply simultaneously with the first end of described first resistance, the first end of described second resistance connects, the second end of described first resistance simultaneously with the grid of described N channel depletion type field effect transistor, the negative pole of described first voltage stabilizing didoe, the collector electrode of described triode connects, and the second end of described second resistance is connected with the drain electrode of described N channel depletion type field effect transistor, with the positive pole of described first voltage stabilizing didoe while of the source electrode of described N channel depletion type field effect transistor, the positive pole of described first diode connects, the negative pole of described first diode simultaneously with the negative pole of described second voltage stabilizing didoe, the positive pole of described first polar capacitor, the first end of described 3rd resistance connects, the emitter of described triode is connected with the first input end of described transformer, the base stage of described triode is connected with the positive pole of described 3rd voltage stabilizing didoe, the negative pole of described 3rd voltage stabilizing didoe simultaneously with the second end of described 3rd resistance, the positive pole of described second polar capacitor connects, the positive pole of described second voltage stabilizing didoe simultaneously with the negative pole of described first polar capacitor, the negative pole of described second polar capacitor, the negative pole of described second diode, the negative pole of described direct-current switch power supply connects, and the positive pole of described second diode is connected with the second input of described transformer, and the output of described transformer is as the voltage output end of described start-up circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420658818.8U CN204244068U (en) | 2014-11-05 | 2014-11-05 | A kind of start-up circuit for electric motor car high-voltage switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420658818.8U CN204244068U (en) | 2014-11-05 | 2014-11-05 | A kind of start-up circuit for electric motor car high-voltage switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204244068U true CN204244068U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420658818.8U Expired - Fee Related CN204244068U (en) | 2014-11-05 | 2014-11-05 | A kind of start-up circuit for electric motor car high-voltage switch power supply |
Country Status (1)
| Country | Link |
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| CN (1) | CN204244068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114884368A (en) * | 2022-05-23 | 2022-08-09 | 广州市因博电子科技有限公司 | Switching power supply circuit based on high-voltage input |
-
2014
- 2014-11-05 CN CN201420658818.8U patent/CN204244068U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114884368A (en) * | 2022-05-23 | 2022-08-09 | 广州市因博电子科技有限公司 | Switching power supply circuit based on high-voltage input |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HENAN SENDI ELECTRIC VEHICLE MANUFACTURING CO., LTD. Assignor: Chengdu Longteng Zhongyuan Information Technology Co., Ltd. Contract record no.: 2015410000077 Denomination of utility model: Start circuit for high-voltage switching power supply of electric car Granted publication date: 20150401 License type: Exclusive License Record date: 20150803 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20151105 |
|
| EXPY | Termination of patent right or utility model |