CN204538731U - A kind of bank of super capacitors equalizer circuit - Google Patents
A kind of bank of super capacitors equalizer circuit Download PDFInfo
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- CN204538731U CN204538731U CN201520114100.7U CN201520114100U CN204538731U CN 204538731 U CN204538731 U CN 204538731U CN 201520114100 U CN201520114100 U CN 201520114100U CN 204538731 U CN204538731 U CN 204538731U
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Abstract
The utility model relates to a kind of equalizer circuit, especially a kind of bank of super capacitors equalizer circuit.It comprises the series-resonant inverting circuit and voltage multiplier that are connected; Series-resonant inverting circuit is made up of the first switching tube, second switch pipe, resonant inductance, resonant capacitance and transformer; Voltage multiplier is made up of the first coupling capacitance, the second coupling capacitance, the 3rd coupling capacitance, the 4th coupling capacitance and the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the 7th diode, the 8th diode and the first super capacitor, the second super capacitor, the 3rd super capacitor, the 4th super capacitor.The utility model realizes super capacitor by series-resonant inverting circuit and voltage multiplier and all presses, this circuit is compared with traditional equalizer circuit, do not need huge voltage detecting circuit and complicated control circuit and feedback circuit, circuit is simplified, reduce cost and reliability is high.
Description
Technical field
The utility model relates to a kind of equalizer circuit, especially a kind of bank of super capacitors equalizer circuit.
Background technology
Ultracapacitor is as a kind of novel energy-storage travelling wave tube, because it has high power density, high charge-discharge speed, long circulation life, wide, the free of contamination advantage of operating temperature range, super capacitor is widely applied in the occasion such as electric automobile and electric power system in recent years.Because ultracapacitor monomer voltage is low, multiple ultracapacitor tandem compound is needed to use the requirement that could meet equipment during practical application, due to the dispersiveness of the parameter of super capacitor, in charge and discharge process, cause the operating voltage of capacitor uneven, have a strong impact on the safe operation of series capacitor bank, in order to make the safe operation of series capacitor bank energy, voltage balance circuit must be used to eliminate the impact of capacitor voltage inequality in charge and discharge process.
Traditional equalizer circuit adopts multiple independently bidirectional DC-DC converter, needs control circuit and the feedback circuit of huge voltage detecting circuit and complexity.Such as adopt One Buck-Boost converter body and Switching capacitors, the quantity of switch increases along with series capacitor quantity and increases, and thus the complexity of circuit increases, and cost increases thereupon, causes reliability to reduce.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide the bank of super capacitors equalizer circuit that a kind of structure is simple, cost is low, reliability is high, and this circuit utilizes series resonant inverter circuit and voltage multiplier to shift in super capacitor energy to realize super capacitor group electric voltage equalization.
To achieve these goals, the utility model adopts following technical scheme:
A kind of bank of super capacitors equalizer circuit, is characterized in that: it comprises the series-resonant inverting circuit and voltage multiplier that are connected;
Described series-resonant inverting circuit is made up of the first switching tube, second switch pipe, resonant inductance, resonant capacitance and transformer;
Described voltage multiplier is made up of the first coupling capacitance, the second coupling capacitance, the 3rd coupling capacitance, the 4th coupling capacitance and the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the 7th diode, the 8th diode and the first super capacitor, the second super capacitor, the 3rd super capacitor, the 4th super capacitor;
The source electrode of described first switching tube connects the drain electrode of described second switch pipe and is connected a end of described transformer, the negative pole of described first diode of drain electrode connection by resonant capacitance with resonant inductance successively;
The source electrode of described second switch pipe connects positive pole, the source electrode also ground connection of the b end of described transformer and the 8th diode;
Described first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the 7th diode and the 8th diode are connected successively;
Between the negative pole that described 4th super capacitor is connected to described first diode and the positive pole of the second diode, described 3rd super capacitor is connected between described 3rd diode cathode and the positive pole of the 4th diode, between the negative pole that described second super capacitor is connected to described 5th diode and the positive pole of the 6th diode, between the negative pole that described first super capacitor is connected to described 7th diode and the positive pole of the 8th diode;
The c end of described transformer to be connected between the positive pole of described 4th diode and the negative pole of the 5th diode and to be connected between described second super capacitor and the 3rd super capacitor, between the positive pole that d end is connected to described 7th diode by the first coupling capacitance and the negative pole of the 8th diode, between the positive pole that d end is also connected to described 5th diode by the second coupling capacitance and the negative pole of the 6th diode, between the positive pole that d end is also connected to described 3rd diode by the 3rd coupling capacitance and the negative pole of the 4th diode, between the positive pole that d end is also connected to described first diode by the 4th coupling capacitance and the negative pole of the second diode.
Owing to have employed such scheme, the utility model is made up of the series-resonant inverting circuit be connected and voltage multiplier, series-resonant inverting circuit provides energy by series capacitor bank, then by energy trasfer in voltage multiplier, energy is re-assigned in each super capacitor by voltage multiplier, when energy is redistributed in each super capacitor, the voltage of single super capacitor achieves all presses.This circuit, compared with traditional equalizer circuit, does not need huge voltage detecting circuit and complicated control circuit and feedback circuit, circuit is simplified, and reduces cost and reliability is high.
Accompanying drawing explanation
Fig. 1 is the circuit structure diagram of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1, a kind of bank of super capacitors equalizer circuit of the present embodiment, it comprises the series-resonant inverting circuit and voltage multiplier that are connected.
Series-resonant inverting circuit is made up of the first switching tube S1, second switch pipe S2, resonant inductance Lr, resonant capacitance Cr and transformer U.
Voltage multiplier is made up of the first coupling capacitance C1, the second coupling capacitance C2, the 3rd coupling capacitance C3, the 4th coupling capacitance C4 and the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 8th diode D8 and the first super capacitor SC1, the second super capacitor SC2, the 3rd super capacitor SC3, the 4th super capacitor SC4.
The drain electrode of the source electrode connection second switch pipe S2 of the first switching tube S1 is also held by a of resonant capacitance Cr and resonance inductance L r connection transformer U successively, the negative pole of the connection first diode D1 that drains.
The b end of the source electrode connection transformer U of second switch pipe S2 and the positive pole of the 8th diode D8, source electrode also ground connection.
First diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7 and the 8th diode D8 connect successively.
4th super capacitor SC4 is connected between the negative pole of the first diode D1 and the positive pole of the second diode D2,3rd super capacitor SC3 is connected between the positive pole of the 3rd diode D3 negative pole and the 4th diode D4, second super capacitor SC2 is connected between the negative pole of the 5th diode D5 and the positive pole of the 6th diode D6, and the first super capacitor SC1 is connected between the negative pole of the 7th diode D7 and the positive pole of the 8th diode D8.
The c end of transformer U to be connected between the positive pole of the 4th diode D4 and the negative pole of the 5th diode D5 and to be connected between the second super capacitor SC2 and the 3rd super capacitor SC3, d end is connected between the positive pole of the 7th diode D7 and the negative pole of the 8th diode D8 by the first coupling capacitance C1, d end is also connected between the positive pole of the 5th diode D5 and the negative pole of the 6th diode D6 by the second coupling capacitance C2, d end is also connected between the positive pole of the 3rd diode D3 and the negative pole of the 4th diode D4 by the 3rd coupling capacitance C3, d end is also connected between the positive pole of the first diode D1 and the negative pole of the second diode D2 by the 4th coupling capacitance C4.
The present embodiment realizes super capacitor by series-resonant inverting circuit and voltage multiplier and all presses, utilize series-resonant inverting circuit can export the electric current of approximately constant in voltage multiplier interrupter duty situation, the electric current in bank of super capacitors does not need feedback loop just can be limited.Due to without voltage detecting circuit and complicated control circuit and feedback circuit, thus make equalizer circuit be simplified, it has high stability to reduce cost.In addition, the main devices in equalizer circuit all achieves Sofe Switch, thus reduces equalizer circuit energy loss to greatest extent.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (1)
1. a bank of super capacitors equalizer circuit, is characterized in that: it comprises the series-resonant inverting circuit and voltage multiplier that are connected;
Described series-resonant inverting circuit is made up of the first switching tube, second switch pipe, resonant inductance, resonant capacitance and transformer;
Described voltage multiplier is made up of the first coupling capacitance, the second coupling capacitance, the 3rd coupling capacitance, the 4th coupling capacitance and the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the 7th diode, the 8th diode and the first super capacitor, the second super capacitor, the 3rd super capacitor, the 4th super capacitor;
The source electrode of described first switching tube connects the drain electrode of described second switch pipe and is connected a end of described transformer, the negative pole of described first diode of drain electrode connection by resonant capacitance with resonant inductance successively;
The source electrode of described second switch pipe connects positive pole, the source electrode also ground connection of the b end of described transformer and the 8th diode;
Described first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the 7th diode and the 8th diode are connected successively;
Between the negative pole that described 4th super capacitor is connected to described first diode and the positive pole of the second diode, described 3rd super capacitor is connected between described 3rd diode cathode and the positive pole of the 4th diode, between the negative pole that described second super capacitor is connected to described 5th diode and the positive pole of the 6th diode, between the negative pole that described first super capacitor is connected to described 7th diode and the positive pole of the 8th diode;
The c end of described transformer to be connected between the positive pole of described 4th diode and the negative pole of the 5th diode and to be connected between described second super capacitor and the 3rd super capacitor, between the positive pole that d end is connected to described 7th diode by the first coupling capacitance and the negative pole of the 8th diode, between the positive pole that d end is also connected to described 5th diode by the second coupling capacitance and the negative pole of the 6th diode, between the positive pole that d end is also connected to described 3rd diode by the 3rd coupling capacitance and the negative pole of the 4th diode, between the positive pole that d end is also connected to described first diode by the 4th coupling capacitance and the negative pole of the second diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520114100.7U CN204538731U (en) | 2015-02-17 | 2015-02-17 | A kind of bank of super capacitors equalizer circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520114100.7U CN204538731U (en) | 2015-02-17 | 2015-02-17 | A kind of bank of super capacitors equalizer circuit |
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| CN204538731U true CN204538731U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520114100.7U Expired - Fee Related CN204538731U (en) | 2015-02-17 | 2015-02-17 | A kind of bank of super capacitors equalizer circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576795A (en) * | 2015-12-30 | 2016-05-11 | 哈尔滨工业大学 | Active clamping soft switching power supply based power super-capacitor voltage sharing device and method |
| CN109286310A (en) * | 2017-07-19 | 2019-01-29 | 通用电气石油和天然气Esp公司 | Circuit for producing high voltage and method |
| CN116317626A (en) * | 2023-03-21 | 2023-06-23 | 三峡大学 | Bipolar self-equalizing bridge rectifier circuit |
-
2015
- 2015-02-17 CN CN201520114100.7U patent/CN204538731U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576795A (en) * | 2015-12-30 | 2016-05-11 | 哈尔滨工业大学 | Active clamping soft switching power supply based power super-capacitor voltage sharing device and method |
| CN105576795B (en) * | 2015-12-30 | 2018-03-16 | 哈尔滨工业大学 | Electric power super capacitor pressure-equalizing device and method based on active clamped soft switching power |
| CN109286310A (en) * | 2017-07-19 | 2019-01-29 | 通用电气石油和天然气Esp公司 | Circuit for producing high voltage and method |
| CN109286310B (en) * | 2017-07-19 | 2021-03-12 | 通用电气石油和天然气Esp公司 | High voltage generating circuit and method |
| CN116317626A (en) * | 2023-03-21 | 2023-06-23 | 三峡大学 | Bipolar self-equalizing bridge rectifier circuit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 274000 Ji'nan Road, Heze Development Zone, Shandong, No. 999 Patentee after: Shandong Mingda electric appliance Limited by Share Ltd Address before: 274000 Ji'nan Road, Heze Development Zone, Shandong, No. 999 Patentee before: Shandong Ming great Electrical Appliances Co., Ltd |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20200217 |