CN103368232A - Dynamic balance circuit for super-capacitor module - Google Patents
Dynamic balance circuit for super-capacitor module Download PDFInfo
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- CN103368232A CN103368232A CN2013102859354A CN201310285935A CN103368232A CN 103368232 A CN103368232 A CN 103368232A CN 2013102859354 A CN2013102859354 A CN 2013102859354A CN 201310285935 A CN201310285935 A CN 201310285935A CN 103368232 A CN103368232 A CN 103368232A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a dynamic balance circuit for a super-capacitor module. The circuit comprises a bleeder sampling circuit unit, a bleeder comparison circuit unit, a bleeder switch circuit unit, and a bleeder circuit unit. When a voltage value of a super-capacitor is greater than a specified value, the bleeder circuit unit leaks the overvoltage, and dynamically regulates the bleeder current according to the voltage of the super-capacitor. The dynamic balance circuit can accurately control the voltage value of each super-capacitor, dynamically regulates the bleeder current and reduce the energy consumption of a system.
Description
Technical field
The present invention relates to a kind of dynamic equilibrium circuit, relate in particular to a kind of dynamic equilibrium circuit for the super capacitor module.
Background technology
In the wind turbine generator running, when wind speed, wind direction etc. changes, need to change by pitch-controlled system the parameters such as propeller pitch angle, to guarantee system optimal operation, safe operation.Wherein wind power generation refers to utilize wind-force to drive the air vane rotation, sees through booster engine with the speed lifting of rotation again, impels the generator generating.Pitch-controlled system refers to reach for blade (blade) angle of control windmill a cover control system of the purpose of the control power output of windmill or shutdown.Pitch-controlled system need have the energy storage module that power is provided.At present main flow energy storage module has two kinds of storage battery module and ultracapacitor modules, and wherein the super capacitor module refers to combination that many super capacitors are used in combination by modes such as serial or parallel connections.Storage battery module charge-discharge characteristic is poor, charging and discharging currents is can not be too large, low-temperature characteristics is poor, and cycle life is short, will safeguard in general 2 years, and on 100 meters high blower fans, maintenance cost is high.Compared to the storage battery module, but the ultracapacitor module has the fine high current charge-discharge of charge-discharge characteristic, good temp characteristic, and the cycle life overlength can 10 years non-maintaining advantages.Therefore the super capacitor module has slowly become application mainstream.
Owing to can cause capacity, the leakage current of super capacitor monomer between each super capacitor monomer because of various reasons such as producing material, the parameters such as equivalent resistance are variant, so that meeting in the process of using be so that voltage deviation occurs between the different monomers, so can drop into practical application after must taking the electric voltage equalization technology that the voltage of all super capacitors is kept in balance.
For the problems referred to above, existing solution is that resistance or diode are all pressed scheme:
At resistance all in the pressure scheme, as shown in Figure 1, when R1=R2, can so that the voltage of two electric capacity equate, resistance has been born and has all been pressed and the function of leakage path.
At diode all in the pressure scheme, as shown in Figure 2, with after voltage stabilizing didoe clamp or the common rectifier diode series connection of right quantity and in super capacitor, can so that the voltage of electric capacity equate, diode is born and is all pressed and the function of leakage path.
The shortcoming of such scheme is that resistance or diode continue consumed energy, and the conducting voltage of diode is easily followed, and apparent temperature changes and changes wayward magnitude of voltage.
Summary of the invention
The object of the present invention is to provide a kind of dynamic equilibrium circuit for the super capacitor module, to realize controlling accurately the magnitude of voltage of each super capacitor, dynamically adjust leakage current, reduce the energy consumption of system.
For achieving the above object, the present invention proposes a kind of circuit of the energy of releasing, this circuit comprises: the first link and the second link that are used for connecting outside energy storage device;
The sample circuit unit of releasing is used for carrying out voltage sample by above-mentioned the first link and the second link, and the contrast circuit unit of releasing is sent the sampled voltage that sampling obtains;
The contrast circuit of releasing unit is used for providing reference voltage, will compare from sampled voltage and this reference voltage of the sample circuit unit of releasing, and sampled voltage during greater than this reference voltage generation for the triggering signal of the switching circuit unit of releasing;
The switching circuit unit of releasing is used for receiving the triggering signal from the contrast circuit unit of releasing, and makes its switching circuit conducting think that the leadage circuit unit provides the triggering signal of releasing according to this triggering signal;
The leadage circuit unit is used for receiving the triggering signal of releasing from the switching circuit unit of releasing, and according to this triggering signal of releasing outside energy storage device is carried out releasing of energy.
The beneficial effect of the program of the present invention is by the above-mentioned sample circuit unit of releasing, can carry out voltage sample to outside energy storage device, and when the magnitude of voltage of this device surpasses setting, leadage circuit unit involved in the present invention can carry out releasing of energy to it, thereby has realized the accurate control to its voltage.
Preferably, the described sample circuit unit of releasing comprises the first resistance, the second resistance, the 3rd resistance, the first resistance wherein, the second resistance is connected with the 3rd resistance, and the two ends of this series circuit form the first link and the second link, is connected to the contrast circuit unit of releasing from drawing line between the second resistance and the 3rd resistance.
Preferably, the contrast circuit of releasing unit comprises the controllable accurate source of stable pressure, wherein the input of controllable accurate source of stable pressure is connected to above-mentioned the second link, and the output of controllable accurate source of stable pressure is connected to the switching circuit unit of releasing, and the controllable accurate source of stable pressure can provide accurately reference voltage.
Preferably, draw the output that electric capacity is connected to the controllable accurate source of stable pressure between the second resistance and the 3rd resistance, this electric capacity is used for filtering, plays anti-tampering effect.
Preferably, the switching circuit unit of releasing comprises the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the first triode and light-emitting diode, wherein the 4th resistance links to each other with above-mentioned the first link, and be connected to the base stage of the first triode by the 5th resistance, and draw the 6th resistance from the base stage of the first triode and be connected to above-mentioned the second link, the emitter of the first triode is connected to above-mentioned the first link, the collector electrode of the first triode is connected to above-mentioned the second link by the 8th resistance and light-emitting diode, be connected to the collector electrode of the first triode from the 7th resistance of drawing between the second resistance of the sample circuit unit of releasing and the 3rd resistance, be connected to afterwards the base stage of Darlington transistor by the tenth resistance, and draw the 9th resistance from the junction of the 7th resistance and the tenth resistance and be connected to above-mentioned the second link, light-emitting diode in this programme is used for when outside energy storage device overvoltage, luminous alarm.
Preferably, the leadage circuit unit comprises the 11 resistance, the 12 resistance, and Darlington transistor, the second triode, wherein
The base stage of Darlington transistor links to each other with above-mentioned the tenth resistance, the collector electrode of Darlington transistor is connected to above-mentioned the first link, the emitter of Darlington transistor is connected to above-mentioned the second link by the 11 resistance and the 12 resistance of parallel connection, the base stage of the second triode is connected to the emitter of Darlington transistor, the collector electrode of the second triode is connected to the base stage of Darlington transistor, the emitter of the second triode is connected to above-mentioned the second link, the second triode in this programme is controlled Darlington transistor, realize the function of dynamic adjustments leakage current, the Darlington transistor cost is lower, have amplification and its upper bound current value is larger, can satisfy the requirement of native system.
Description of drawings
Fig. 1 shows capacitance-resistance equalizer circuit figure of the prior art.
Fig. 2 shows diode equalizer circuit figure of the prior art, and wherein (a) shows voltage stabilizing didoe equalizer circuit figure; (b) show general-purpose diode equalizer circuit figure.
Fig. 3 shows the block diagram of the dynamic equilibrium circuit that the present invention relates to.
Fig. 4 shows the dynamic equilibrium circuit diagram that the specific embodiment of the present invention relates to.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described further.
As shown in Figure 3, relate to the sample circuit unit 10 of releasing according to the specific embodiment of the present invention, the contrast circuit of releasing unit 20, release switching circuit unit 30 and leadage circuit unit 40.The sample circuit unit 10 of wherein releasing comprises the first link 101 and the second link 102.
In concrete implementation process, as shown in Figure 4, the sample circuit unit 10 of releasing comprises the first resistance R 1, the second resistance R 2, the three resistance R, 3, the first links 101 and the second link 102.3 series connection of the first resistance R 1, the second resistance R 2, the three resistance R, the A point that the two ends of this series circuit form between the first link 101 and the second link 102, the second resistance R 2 and the 3rd resistance R 3 is connected to controllable accurate source of stable pressure U1.
The contrast circuit of releasing unit 20 comprises controllable accurate source of stable pressure U1.The input of controllable accurate source of stable pressure U1 is connected to above-mentioned the second link 102, and the output of controllable accurate source of stable pressure U1 is connected to the first link 101 by the 4th resistance R 4.
The sample circuit unit 10 of releasing also has been connected capacitor C 01 with releasing between the contrast circuit unit 20, this capacitor C 01 is connected between A point and the B point, and wherein the B point is between the output and the 4th resistance R 4 of controllable accurate source of stable pressure U1.
The switching circuit unit 30 of releasing comprises the 4th resistance R 4, the five resistance R 5, the six resistance R 6, the seven resistance R 7, the eight resistance R 8, the nine resistance R 9, the ten resistance R, 10, the first triode Q1 and LEDs 1.
Draw the base stage that the 5th resistance R 5 is connected to the first triode Q1 from the B point, and draw the 6th resistance R 6 from the base stage of the first triode Q1 and be connected to the second link 102, the emitter of the first triode Q1 is connected to the first link 101, the collector electrode of the first triode Q1 is connected to the second link 102 by the 8th resistance R 8 and LED 1, connect the collector electrode that the 7th resistance R 7 that is connected to the first triode Q1 from the A point, be connected to afterwards the base stage of Darlington transistor Q2 by the tenth resistance R 10, and draw the 9th resistance R 9 from the junction of the 7th resistance R 7 and the tenth resistance R 10 and be connected to the second link 102.
The base stage of Darlington transistor Q2 links to each other with the tenth resistance R 10, the collector electrode of Darlington transistor Q2 is connected to the first link 101, the emitter of Darlington transistor Q2 is connected to the second link 102 by the 11 resistance R 11 and the 12 resistance R 12 of parallel connection, the base stage of the second triode Q3 is connected to the emitter of Darlington transistor Q2, the collector electrode of the second triode Q3 is connected to the base stage of Darlington transistor Q2, and the emitter of the second triode Q3 is connected to the second link 102.
In concrete implementation process, super capacitor can not make its charging voltage surpass the SC service ceiling value of regulation.If surpass this higher limit, super capacitor will be damaged, can utilize to greatest extent for the capacity that makes super capacitor simultaneously, generally in use, the capital is set in the maximum voltage of super capacitor near near its maximum use value, therefore need to carry out accurately voltage control to super capacitor.
When charger charges to super capacitor, the mode with constant voltage floating charge is directly filled in the employing constant current, when the voltage of super capacitor hangs down, use the constant current large current charge, when the voltage of super capacitor during near setting, use the mode of constant voltage floating charge instead, the electric current that the present invention adopts only detects voltage in the constant current charge stage, does not therefore substantially have power loss.When the voltage of super capacitor during near setting, with the intelligent decision charge condition, then whether need to determine the energy of releasing.Its concrete implementation process is as follows:
The first resistance R 1, the voltage that the second resistance R 2 and 3 pairs of the 3rd resistance R are connected to the super capacitor of the first link 101 and the second link 102 carries out dividing potential drop, voltage to super capacitor is sampled, the precision voltage reference that the sampled voltage that the A that afterwards sampling is obtained is ordered and controllable accurate source of stable pressure U1 provide compares, when the magnitude of voltage of super capacitor surpasses setting, this sampled voltage can be higher than reference voltage, so that controllable accurate source of stable pressure U1 conducting, drag down B point voltage value, so that the first triode Q1 conducting, and then so that Darlington transistor Q2 conducting, the parallel circuits of the 11 resistance R 11 and the 12 resistance R 12 compositions is connected to the two ends of super capacitor, consists of bleed-off circuit.When the first triode Q1 conducting, meeting is so that LED 1 luminous alarm, but uses when the warning of this branch road only is used for close beta.Control for the leakage current size can realize by the second triode Q3 control Darlington transistor Q2, why adopt Darlington transistor Q2 to be because its cost is lower and this device has amplification, and its upper bound current value is larger, satisfies the demand of the dynamic equilibrium circuit that the present invention relates to.When the voltage of super capacitor surpasses assigned voltage when very large, the collector electrode of the second triode Q3 is to base stage feedback the first control voltage of Darlington transistor Q2, so that leakage current raises; When the voltage of super capacitor surpasses assigned voltage hour, the collector electrode of the second triode Q3 so that leakage current reduces, has been realized the purpose of dynamic adjustment leakage current to base stage feedback the second control voltage of Darlington transistor Q2.According to the maximum charging current of system, set maximum leakage current simultaneously.
In concrete implementation process, controllable accurate source of stable pressure U1 can use TL431, and the first triode Q1 can use MMBT5401, and Darlington transistor Q2 can use MID122, and the second triode Q3 can use MMBT3904.
The dynamic equilibrium circuit that is used for the super capacitor module that the present invention relates to can accurately measure the voltage of each super capacitor; Charging process for super capacitor, only at the voltage of super capacitor during near setting, just can cause some energy losses, because at the voltage of super capacitor during near setting, with the intelligent decision charge condition, then determine whether need the energy of releasing, in the process of releasing, can also dynamically adjust leakage current, thereby so that the energy consumption of overall plan greatly reduce compared to prior art.
The dynamic equilibrium circuit that the present invention relates to no matter which kind of mode of employing as long as leakage current can dynamically be followed the tracks of the voltage of super capacitor, and can be set maximum leakage current, all belongs to protection scope of the present invention.
Claims (6)
1. circuit of energy of can releasing, this circuit comprises: the first link and the second link that are used for connecting outside energy storage device;
The sample circuit unit of releasing is used for carrying out voltage sample by above-mentioned the first link and the second link, and the contrast circuit unit of releasing is sent the sampled voltage that sampling obtains;
The contrast circuit of releasing unit is used for providing reference voltage, will compare from sampled voltage and this reference voltage of the sample circuit unit of releasing, and sampled voltage during greater than this reference voltage generation for the triggering signal of the switching circuit unit of releasing;
The switching circuit unit of releasing is used for receiving the triggering signal from the contrast circuit unit of releasing, and makes its switching circuit conducting think that the leadage circuit unit provides the triggering signal of releasing according to this triggering signal;
The leadage circuit unit is used for receiving the triggering signal of releasing from the switching circuit unit of releasing, and according to this triggering signal of releasing outside energy storage device is carried out releasing of energy.
2. the circuit of the energy of releasing according to claim 1, it is characterized in that: the described sample circuit unit of releasing comprises the first resistance, the second resistance, the 3rd resistance, the first resistance wherein, the second resistance is connected with the 3rd resistance, and the two ends of this series circuit form the first link and the second link, is connected to the contrast circuit unit of releasing from drawing line between the second resistance and the 3rd resistance.
3. the circuit of the energy of releasing according to claim 1, it is characterized in that: the contrast circuit of releasing unit comprises the controllable accurate source of stable pressure, wherein the input of controllable accurate source of stable pressure is connected to above-mentioned the second link, and the output of controllable accurate source of stable pressure is connected to the switching circuit unit of releasing.
4. the circuit of the energy of releasing according to claim 2 is characterized in that: draw the output that electric capacity is connected to the controllable accurate source of stable pressure between the second resistance and the 3rd resistance.
5. the circuit of the energy of releasing according to claim 1, it is characterized in that: the switching circuit unit of releasing comprises the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the first triode and light-emitting diode, wherein the 4th resistance links to each other with above-mentioned the first link, and be connected to the base stage of the first triode by the 5th resistance, and draw the 6th resistance from the base stage of the first triode and be connected to above-mentioned the second link, the emitter of the first triode is connected to above-mentioned the first link, and the collector electrode of the first triode is connected to above-mentioned the second link by the 8th resistance and light-emitting diode, is connected to the collector electrode of the first triode from the 7th resistance of drawing between the second resistance of the sample circuit unit of releasing and the 3rd resistance, be connected to afterwards the base stage of Darlington transistor by the tenth resistance, and draw the 9th resistance from the junction of the 7th resistance and the tenth resistance and be connected to above-mentioned the second link.
6. the circuit of the energy of releasing according to claim 1, it is characterized in that: the leadage circuit unit comprises the 11 resistance, the 12 resistance, Darlington transistor, the second triode, wherein
The base stage of Darlington transistor links to each other with above-mentioned the tenth resistance, the collector electrode of Darlington transistor is connected to above-mentioned the first link, the emitter of Darlington transistor is connected to above-mentioned the second link by the 11 resistance and the 12 resistance of parallel connection, the base stage of the second triode is connected to the emitter of Darlington transistor, the collector electrode of the second triode is connected to the base stage of Darlington transistor, and the emitter of the second triode is connected to above-mentioned the second link.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102859354A CN103368232A (en) | 2013-07-08 | 2013-07-08 | Dynamic balance circuit for super-capacitor module |
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| CN2013102859354A CN103368232A (en) | 2013-07-08 | 2013-07-08 | Dynamic balance circuit for super-capacitor module |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346549A (en) * | 2013-07-08 | 2013-10-09 | 浙江光汇照明电子有限公司 | Two-level-type balancing circuit for super capacitor module |
| CN106912144A (en) * | 2017-04-06 | 2017-06-30 | 矽力杰半导体技术(杭州)有限公司 | LED drive circuit, circuit module and control method with controllable silicon dimmer |
| 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 |
| CN110602541A (en) * | 2018-06-12 | 2019-12-20 | 瑞昱半导体股份有限公司 | Media streaming device and protection method thereof |
| CN110994760A (en) * | 2019-12-10 | 2020-04-10 | 珠海格力电器股份有限公司 | Energy storage device management circuit for new energy power generation and control method thereof |
| CN111030262A (en) * | 2019-05-09 | 2020-04-17 | 江苏理工学院 | Equalization module circuit and equalization method of super capacitor |
| CN112187029A (en) * | 2019-07-05 | 2021-01-05 | 西安许继电力电子技术有限公司 | Direct current energy consumption device |
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| CN203398824U (en) * | 2013-07-08 | 2014-01-15 | 浙江光汇照明电子有限公司 | Two-level dynamic balancing circuit for super capacitor |
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| CN103346549A (en) * | 2013-07-08 | 2013-10-09 | 浙江光汇照明电子有限公司 | Two-level-type balancing circuit for super capacitor module |
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| CN110602541A (en) * | 2018-06-12 | 2019-12-20 | 瑞昱半导体股份有限公司 | Media streaming device and protection method thereof |
| CN110602541B (en) * | 2018-06-12 | 2021-08-20 | 瑞昱半导体股份有限公司 | Media streaming device and protection method thereof |
| CN111030262A (en) * | 2019-05-09 | 2020-04-17 | 江苏理工学院 | Equalization module circuit and equalization method of super capacitor |
| 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 |
| CN112187029A (en) * | 2019-07-05 | 2021-01-05 | 西安许继电力电子技术有限公司 | Direct current energy consumption device |
| CN110994760A (en) * | 2019-12-10 | 2020-04-10 | 珠海格力电器股份有限公司 | Energy storage device management circuit for new energy power generation and control method thereof |
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Inventor after: Lou Yongwei Inventor after: Zhang Mingjun Inventor after: Chen Quan Inventor after: Zhang Xiaolong Inventor before: Lou Yongwei Inventor before: Zhang Mingjun Inventor before: Chen Quan Inventor before: Zhang Xiaolong Inventor before: Yang Zonglin |
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Free format text: CORRECT: INVENTOR; FROM: LOU YONGWEI ZHANG MINGJUN CHEN QUAN ZHANG XIAOLONG YANG ZONGLIN TO: LOU YONGWEI ZHANG MINGJUN CHEN QUAN ZHANG XIAOLONG |
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Application publication date: 20131023 |