CN201188554Y - Cascade voltage-equalizing protecting equipment for super capacitor - Google Patents
Cascade voltage-equalizing protecting equipment for super capacitor Download PDFInfo
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- CN201188554Y CN201188554Y CNU2008200802591U CN200820080259U CN201188554Y CN 201188554 Y CN201188554 Y CN 201188554Y CN U2008200802591 U CNU2008200802591 U CN U2008200802591U CN 200820080259 U CN200820080259 U CN 200820080259U CN 201188554 Y CN201188554 Y CN 201188554Y
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Abstract
The utility model relates to a series connection pressure equalizing protector of a super capacitor, which belongs to the technical field of electric energy quality analyzing and control. The protector comprises a super capacitor monomer (1), a static equalizing resistor(2), and a moving pressure equalizing voltage regulator diode (3); the anode and the cathode of the supper capacitor monomer (1) are in parallel connection with the static equalizing resistor (2); meanwhile, the anode and the cathode of the super capacitor monomer (1) are respectively connected with the cathode and the anode of the moving pressure equalizing voltage regulator diode (3) to form the anode and the cathode of a super capacitor monomer module (4). The utility model has the advantages that the provided super capacitor protection and the moving pressure equalizing voltage adopt the static equalizing resistor and the moving pressure equalizing voltage regulator diode to realize the overpressure and voltage unbalance protection on the super capacitor monomer. The protector is applied to the practical problem according to the requirements of polarity, is easy to realize, has good pressure equalizing effect and ensures that the pressure of each super capacitor monomer tends to be uniform.
Description
Technical field
The utility model belongs to power quality analysis and control technology field, and a kind of series average-voltage protective device of ultracapacitor is provided.
Background technology
Ultracapacitor (super capacitor) also is known as double layer capacitor (Double-layer capacitor or Ultracapacitor) and electrochemical capacitor (Electrochemical capacitors), be a kind of, have the capacitor of very big capacitance density based on new material and new technology.Ultracapacitor is a kind of more satisfactory energy storage device.It has capacitance density and the energy density higher than traditional capacitor; The power density higher, longer life-span and discharge and recharge the time faster than storage battery; Than superconducting magnetic energy storage still less investment and than the occupation of land of energy accumulation device for fly wheel much less.
Withstand voltage low (representative value is 2.7V) but of ultracapacitor monomer (hereinafter to be referred as monomer), need several even hundreds of the required withstand voltage capacitor groups of series connection formation in actual applications, the problem of being brought is that each monomer voltage is inconsistent in the capacitor, causes the energy storage of bank of super capacitors to descend or is not fully utilized.If monomer voltage can not divide equally, when big electric current quick charge, its charging monomer crest voltage is easy to surpass its withstand voltage permissible value.Monomer voltage is operated in the life-span that overvoltage condition will shorten ultracapacitor, may blast when serious.Therefore, must solve ultracapacitor and when series connection is used, discharge and recharge monomer voltage equalization performance under the condition, could solving the reliability of bank of super capacitors under the application of connecting, the problem that be starkly lower than monomer useful life like this.
Summary of the invention
The purpose of this utility model is to provide a kind of series average-voltage protective device of ultracapacitor.Can solve the reliability of bank of super capacitors under the series connection application, the problem that be starkly lower than monomer useful life.
The utility model comprises: super capacitor monomer 1, static voltage sharing 2, dynamic voltage balancing voltage stabilizing didoe 3; Static voltage sharing 2 in parallel between the positive pole of ultracapacitor monomer 1 and negative pole, simultaneously, the positive pole of super capacitor monomer 1, negative pole link to each other with negative electrode, the anode of dynamic voltage balancing voltage stabilizing didoe 3 respectively and constitute positive pole, the negative pole of super capacitor monomer module 4.
Super capacitor needs several even hundreds of the required withstand voltage capacitor groups of monomer series-connected formation in actual applications.Static state, dynamic voltage balancing protection when realizing a plurality of monomer series-connected use, each monomer 1 is parallel with the characteristic static voltage sharing consistent with parameter 2 and dynamic voltage balancing voltage stabilizing didoe 3 constitutes monomer modules 4.Static voltage sharing 2 has guaranteed the electric voltage equalization of each super capacitor monomer 1 when capacitor group both end voltage is in static state, dynamic voltage balancing voltage stabilizing didoe 3 has guaranteed the voltage clamp of each monomer 1 when capacitor group both end voltage is in the dynamic process, makes the withstand voltage clamp voltage that is no more than voltage stabilizing didoe of monomer.But several monomer modules 4 are together in series and constitute the capacitor group of practical application.
Ultracapacitor described in the utility model comprises double layer capacitor and electrochemical capacitor.
Advantage of the present utility model is: the super capacitor protection and the dynamic voltage-balancing that provide, adopt static voltage sharing and dynamic voltage balancing voltage stabilizing didoe to realize the overvoltage and the Voltage unbalance of super capacitor monomer are protected.Be applied in the practical problem according to polar requirement, realize simply having good all pressures effect, each super capacitor monomer voltage is reached unanimity.
Description of drawings
Fig. 1 is the series average-voltage protective circuit figure of ultracapacitor.Wherein, super capacitor monomer 1, static voltage sharing 2, dynamic voltage balancing voltage stabilizing didoe 3, monomer module 4.
Embodiment
Fig. 1 is a kind of embodiment of the present utility model, static voltage sharing 2 in parallel between the positive pole of ultracapacitor monomer 1 and negative pole, simultaneously, the positive pole of super capacitor monomer 1, negative pole link to each other with negative electrode, the anode of dynamic voltage balancing voltage stabilizing didoe 3 respectively and constitute positive pole, the negative pole of super capacitor monomer module 4; According to total voltage request a plurality of super capacitor monomer modules are cascaded from beginning to end, the negative pole of promptly going up a monomer module connects the positive pole of next monomer module, until all being connected in series together.The positive pole of first monomer module is as the positive pole of capacitor group, and the negative pole of last monomer module is as the negative pole of capacitor group.
Claims (1)
1, a kind of series average-voltage protective device of ultracapacitor is characterized in that: comprising: super capacitor monomer (1), static voltage sharing (2), dynamic voltage balancing voltage stabilizing didoe (3); Static voltage sharing in parallel (2) between the positive pole of ultracapacitor monomer (1) and negative pole, simultaneously, the positive pole of super capacitor monomer (1), negative pole link to each other with negative electrode, the anode of dynamic voltage balancing voltage stabilizing didoe (3) respectively and constitute positive pole, the negative pole of super capacitor monomer module (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200802591U CN201188554Y (en) | 2008-04-28 | 2008-04-28 | Cascade voltage-equalizing protecting equipment for super capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200802591U CN201188554Y (en) | 2008-04-28 | 2008-04-28 | Cascade voltage-equalizing protecting equipment for super capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201188554Y true CN201188554Y (en) | 2009-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200802591U Expired - Fee Related CN201188554Y (en) | 2008-04-28 | 2008-04-28 | Cascade voltage-equalizing protecting equipment for super capacitor |
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| CN (1) | CN201188554Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822871A (en) * | 2010-05-12 | 2010-09-08 | 北京瑞新康达医疗科技有限公司 | Solution of high voltage energy storage capacitor for defibrillator |
| CN102299542A (en) * | 2011-09-02 | 2011-12-28 | 谭选敏 | New energy synergistic charging controller |
| CN104836218A (en) * | 2015-06-01 | 2015-08-12 | 合肥扬帆通信元器件有限公司 | High-capacity overvoltage absorber |
| CN105790321A (en) * | 2014-12-16 | 2016-07-20 | 哈尔滨市三和佳美科技发展有限公司 | Series super capacitor balance charger |
| CN106856344A (en) * | 2017-01-22 | 2017-06-16 | 湖南电将军新能源有限公司 | A kind of energy-storage module of automobile starting power supply |
| CN109245506A (en) * | 2018-10-22 | 2019-01-18 | 南京南瑞继保电气有限公司 | A kind of energy-consuming device and control method |
| CN110417285A (en) * | 2019-06-30 | 2019-11-05 | 武汉东城新能源有限公司 | A kind of novel high-frequency high voltage silicon rectifier stack circuit |
| CN111308177A (en) * | 2020-05-11 | 2020-06-19 | 广东志高暖通设备股份有限公司 | Super capacitor measuring circuit |
-
2008
- 2008-04-28 CN CNU2008200802591U patent/CN201188554Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822871A (en) * | 2010-05-12 | 2010-09-08 | 北京瑞新康达医疗科技有限公司 | Solution of high voltage energy storage capacitor for defibrillator |
| CN102299542A (en) * | 2011-09-02 | 2011-12-28 | 谭选敏 | New energy synergistic charging controller |
| CN105790321A (en) * | 2014-12-16 | 2016-07-20 | 哈尔滨市三和佳美科技发展有限公司 | Series super capacitor balance charger |
| CN104836218A (en) * | 2015-06-01 | 2015-08-12 | 合肥扬帆通信元器件有限公司 | High-capacity overvoltage absorber |
| CN106856344A (en) * | 2017-01-22 | 2017-06-16 | 湖南电将军新能源有限公司 | A kind of energy-storage module of automobile starting power supply |
| CN109245506A (en) * | 2018-10-22 | 2019-01-18 | 南京南瑞继保电气有限公司 | A kind of energy-consuming device and control method |
| CN110417285A (en) * | 2019-06-30 | 2019-11-05 | 武汉东城新能源有限公司 | A kind of novel high-frequency high voltage silicon rectifier stack circuit |
| CN111308177A (en) * | 2020-05-11 | 2020-06-19 | 广东志高暖通设备股份有限公司 | Super capacitor measuring circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 Termination date: 20110428 |