CN101621218B - Super capacitor automatic balance control system - Google Patents
Super capacitor automatic balance control system Download PDFInfo
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- CN101621218B CN101621218B CN2008100399336A CN200810039933A CN101621218B CN 101621218 B CN101621218 B CN 101621218B CN 2008100399336 A CN2008100399336 A CN 2008100399336A CN 200810039933 A CN200810039933 A CN 200810039933A CN 101621218 B CN101621218 B CN 101621218B
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Abstract
The invention relates to a super capacitor automatic balance control system, which consists of a drive selection unit, a voltage measurement unit, a drive boosting unit, a drive switch unit and a current-limiting feedback unit. The output end of the drive selection unit is connected with the voltage measurement unit and the drive switch unit. The output end of the voltage measurement unit is connected with the drive boosting unit. The output end of the drive boosting unit is connected with the drive switch unit. The input end of the current-limiting feedback unit is connected with the output end of the drive switch unit. The output end of the current-limiting feedback unit is connected with the drive boosting unit. The current-limiting feedback unit is connected with the voltage measurement unit. When the super capacitor in the cascade process has inconsistent capacities, the voltage difference is detected by a detecting circuit; when higher voltage is measured, the current is released by the drive switch unit, the releasing objective is the next super capacitor so as to finally realize the balance of each single super capacitor in the whole group of super capacitors. Moreover, the super capacitor automatic balance control system has excellent stability and convenient use.
Description
Technical field:
The present invention relates to electricity field, relate in particular to capacitance group, particularly a kind of super capacitor automatic balance control system.
Background technology:
Super capacitor can be used for store electrical energy.In the prior art, in order to accumulate more energy and high voltage, often in groups with a plurality of super capacitor series connection, to obtain the voltage more than the 600V.But along with charge and discharge process repeatedly, the capacity between each monomer super capacitor is inconsistent, can produce the damage of super capacitor in high-pressure system, comprises blast and burning.
Summary of the invention:
The object of the present invention is to provide a kind of super capacitor automatic balance control system, described this a kind of super capacitor automatic balance control system will solve in the super capacitor group of prior art the inconsistent technical problem of capacity between the monomer super capacitor.
This super capacitor automatic balance control system of the present invention is by driving selected cell, voltage measurement unit, drive boosting unit, driving switch unit and current limliting feedback unit constitute, wherein, the output of described driving selected cell and voltage measurement unit, the driving switch unit connects, the output of voltage measurement unit is connected with the driving boosting unit, the output that drives boosting unit is connected with the driving switch unit, the input of current limliting feedback unit is connected with the output of driving switch unit, the output of current limliting feedback unit is connected with the driving boosting unit, the current limliting feedback unit is connected with voltage measurement unit, also be provided with a luminous indicating circuit between voltage measurement unit and the driving boosting unit, driving selected cell is connected and composed by fiber-optic signal receiver and one first metal-oxide-semiconductor, voltage measurement unit is by voltage checking chip, capacitor and variable resistance connect and compose, drive boosting unit by DC-to-DC converter and peripheral capacitor, inductor and a voltage stabilizing didoe connect and compose, the driving switch unit is made of at least one second metal-oxide-semiconductor, and the current limliting feedback unit is connected and composed by triode and current sampling resistor device.
Further, described driving switch unit is made of two second metal-oxide-semiconductor parallel connections.
Further, described luminous indicating circuit is connected and composed by a triode, a resistor and a light-emitting diode.
Concrete, described fiber-optic signal receiver adopts the R2521 integrated circuit, and first metal-oxide-semiconductor adopts the NTR4101PT1G model.Described voltage checking chip adopts the STM1061N integrated circuit.DC-to-DC converter adopts the MAX761 integrated circuit.Described second metal-oxide-semiconductor all adopts the F3415S model.
The connected mode of fiber-optic signal receiver R2521 integrated circuit and NTR4101PT1G type metal-oxide-semiconductor adopts known schemes of the prior art, and the connected mode of voltage checking chip STM1061N integrated circuit and capacitor, variable resistance adopts known schemes of the prior art.The connected mode of DC-to-DC converter MAX761 integrated circuit and peripheral capacitor, inductor and voltage stabilizing didoe adopts known schemes of the prior art, and the connected mode of F3415S type metal-oxide-semiconductor adopts known schemes of the prior art.
Operation principle of the present invention is: with the two ends of receiving a monomer super capacitor respectively of the earth terminal of first metal-oxide-semiconductor and circuit, fiber-optic signal receiver and MOS switching tube constitute switch, the fiber-optic signal receiver is accepted outside optical fiber photoreceptor signal, when signal, activates entire circuit, when not having signal to allow, circuit is in closed condition, and power consumption is zero, when the optical fiber signal allows, the one MOS switching tube is by open-minded, and entire circuit is started working.Variable resistance, capacitor and voltage measurement chip constitute the voltage automatic detection part, adjusting by variable resistance, can make the output of voltage measurement chip be controlled at needed set point, when the voltage measurement chip is activated, the 1 pin output high level of voltage measurement chip by a triode, is output as low level, this low level is exported to the next stage circuit, has formed a switch message.Receive the DC-to-DC converter of above-mentioned switch message, produce 12 volts positive voltage under the common cooperation of peripheral capacitor, inductor, voltage stabilizing didoe and the resistor that connects of device, this voltage can guarantee metal-oxide-semiconductor switching circuit open-minded of subordinate.After the metal-oxide-semiconductor switching circuit is opened, the resistor of mega-ohms is dropped to the milliohm level, form a very big electric current and discharge link, make electric capacity two ends convergence balance, the target that discharges is next monomer super capacitor, the final equilibrium that realizes each monomer in the whole group super capacitor.In order to disperse power consumption, the present invention adopts 2 metal-oxide-semiconductor parallel connections.Electric current after opening will discharge in the mode of big earial drainage, if there is not closed-loop control, will damage its driving tube, and triode and current sampling resistor device and a capacitor constitute negative-feedback circuit, when electric current is big, can effectively suppress the unordered rising of metal-oxide-semiconductor.The indication link of triode, resistor and the action of light-emitting diode forming circuit, light-emitting diode is bright when circuit start, on the contrary side is dark.Further, small-sized printing forme is processed in the present invention, and it is installed in the module of super capacitor, can realize 48 volts of modules and 125 volts of autobalances that module is interior.
The present invention compares with prior art, and its effect is actively with tangible.The present invention utilizes and drives the single automatic-balancing controller that constitutes super capacitor monomer capacity of selected cell, voltage measurement unit, driving boosting unit, driving switch unit and current limliting feedback, when the super capacitor generation capacity of cascade process is inconsistent, detect voltage differences by testing circuit, when measuring higher voltage, by the driving switch unit electric current is discharged, the target that discharges is next super capacitor, the final equilibrium that realizes whole each monomer of group super capacitor.Good stability, easy to use.
Description of drawings:
Fig. 1 is the theory diagram of a kind of super capacitor automatic balance control system of the present invention.
Fig. 2 is the circuit structure diagram of a kind of super capacitor automatic balance control system of the present invention.
Embodiment:
Embodiment 1:
As depicted in figs. 1 and 2, a kind of super capacitor automatic balance control system of the present invention is by driving selected cell 1, voltage measurement unit 2, drive boosting unit 3, driving switch unit 4 and current limliting feedback unit 5 constitute, described driving selected cell 1 links to each other with the two poles of the earth of a monomer electric capacity of super capacitor group 6, described voltage measurement unit 2 links to each other with described driving selected cell 1, the output of described voltage measurement unit 2 links to each other with described driving boosting unit 3, also be provided with a light-emitting diode 81 between described voltage measurement unit 2 and the driving boosting unit 3, the output of described driving boosting unit 3 links to each other with described driving switch unit 4, the input of described current limliting feedback unit 5 links to each other with the output of described driving switch unit 4, the output of described current limliting feedback unit 5 links to each other with described driving boosting unit 3, entire circuit forms release current I by the two poles of the earth that TP1+ and TP2-insert a monomer of super capacitor group 6 by driving being chosen in of selected cell 1 in the circuit.
Further, described driving selected cell 1 is made of fiber-optic signal receiver 11 and MOS switching tube 12.Fiber-optic signal receiver 11 is accepted outside optical fiber photoreceptor signal, when signal, just can activate entire circuit, and when not having signal to allow, this circuit is in closed condition, and power consumption is zero, and when the optical fiber signal allowed, 12 by open-minded, and entire circuit is started working.
Further, described driving selected cell 1 is made of R2521 model fiber-optic signal receiver and NTR4101PT1GMOS model switching tube.
Further, described voltage measurement unit 2 is made of voltage checking chip 23 and variable resistance 21, in voltage measurement circuit, also be provided with a capacitor 22,, can make voltage checking chip 23 outputs be controlled at needed set point by the adjusting of variable resistance 21, when voltage checking chip 23 is activated, the OUT pin output high level of voltage checking chip 23 is connected triode 24, is output as low level, this low level is exported to the next stage circuit, has formed a switching signal.
Further, described driving boosting unit 3 is made of chip 35 and external capacitor 31, inductor 32 and a voltage stabilizing didoe 33, the low reference pin of chip 35 links to each other with another electric capacity 34, and the voltage output end of chip 35 links to each other with driving switch unit 4 by a resistor 36.
Further, described driving switch unit 4 is made of metal-oxide-semiconductor.
Further, described driving switch unit is made of metal-oxide-semiconductor 41 and metal-oxide-semiconductor 42 parallel connections.
Further, described current limliting feedback unit 5 is made of triode 52 and current sampling resistor device 51, and feedback voltage links to each other with the input of described driving switch unit 4 by the shunt circuit of another resistor 53 and electric capacity 54.
Concrete, light-emitting diode 81 constitutes the indication link of this circuit working.
Claims (2)
1. super capacitor automatic balance control system, by driving selected cell, voltage measurement unit, drive boosting unit, driving switch unit and current limliting feedback unit constitute, it is characterized in that: the output of described driving selected cell and voltage measurement unit, the driving switch unit connects, the output of voltage measurement unit is connected with the driving boosting unit, the output that drives boosting unit is connected with the driving switch unit, the input of current limliting feedback unit is connected with the output of driving switch unit, the output of current limliting feedback unit is connected with the driving boosting unit, the current limliting feedback unit is connected with voltage measurement unit, also be provided with a luminous indicating circuit between voltage measurement unit and the driving boosting unit, driving selected cell is connected and composed by fiber-optic signal receiver and one first metal-oxide-semiconductor, voltage measurement unit is by voltage checking chip, capacitor and variable resistance connect and compose, drive boosting unit by DC-to-DC converter and peripheral capacitor, inductor and a voltage stabilizing didoe connect and compose, the driving switch unit is made of at least one second metal-oxide-semiconductor, and the current limliting feedback unit is connected and composed by triode and current sampling resistor device.
2. a kind of super capacitor automatic balance control system as claimed in claim 1 is characterized in that: described driving switch unit is made of two second metal-oxide-semiconductor parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100399336A CN101621218B (en) | 2008-06-30 | 2008-06-30 | Super capacitor automatic balance control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100399336A CN101621218B (en) | 2008-06-30 | 2008-06-30 | Super capacitor automatic balance control system |
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| CN101621218A CN101621218A (en) | 2010-01-06 |
| CN101621218B true CN101621218B (en) | 2010-10-27 |
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| CN2008100399336A Active CN101621218B (en) | 2008-06-30 | 2008-06-30 | Super capacitor automatic balance control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261262A (en) * | 2014-10-29 | 2015-01-07 | 南通润邦电气工程有限公司 | RTG super-capacitor electronic control system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2400622A3 (en) * | 2010-06-28 | 2012-03-14 | Nxp B.V. | Inductive cell balancing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1574538A (en) * | 2002-12-06 | 2005-02-02 | 长沙交通学院 | Semiconductor refrigerating type equalizing charging method and device |
| CN1960121A (en) * | 2005-11-04 | 2007-05-09 | 中国科学院电工研究所 | Charging / discharging voltage equilibrium device of super capacitor module |
| CN101188364A (en) * | 2007-12-12 | 2008-05-28 | 中国科学院电工研究所 | A voltage balance circuit for serial connected super capacitor |
| CN201215899Y (en) * | 2008-06-30 | 2009-04-01 | 上海三玖电气设备有限公司 | Automatic balance control device for super capacitor |
-
2008
- 2008-06-30 CN CN2008100399336A patent/CN101621218B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1574538A (en) * | 2002-12-06 | 2005-02-02 | 长沙交通学院 | Semiconductor refrigerating type equalizing charging method and device |
| CN1960121A (en) * | 2005-11-04 | 2007-05-09 | 中国科学院电工研究所 | Charging / discharging voltage equilibrium device of super capacitor module |
| CN101188364A (en) * | 2007-12-12 | 2008-05-28 | 中国科学院电工研究所 | A voltage balance circuit for serial connected super capacitor |
| CN201215899Y (en) * | 2008-06-30 | 2009-04-01 | 上海三玖电气设备有限公司 | Automatic balance control device for super capacitor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261262A (en) * | 2014-10-29 | 2015-01-07 | 南通润邦电气工程有限公司 | RTG super-capacitor electronic control system |
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| CN101621218A (en) | 2010-01-06 |
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Denomination of invention: Super capacitor automatic balance control system Effective date of registration: 20151127 Granted publication date: 20101027 Pledgee: China Co truction Bank Corp Shanghai Minhang branch Pledgor: Shanghai Sanjiu Electric Equipment Co., Ltd. Registration number: 2015310000044 |
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Application publication date: 20100106 Assignee: Jiangxi Huaxin Rui Automobile Energy Technology Co Ltd Assignor: Shanghai Sanjiu Electric Equipment Co., Ltd. Contract record no.: 2016310000033 Denomination of invention: Super capacitor automatic balance control system Granted publication date: 20101027 License type: Exclusive License Record date: 20160718 |
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Date of cancellation: 20160713 Granted publication date: 20101027 Pledgee: China Co truction Bank Corp Shanghai Minhang branch Pledgor: Shanghai Sanjiu Electric Equipment Co., Ltd. Registration number: 2015310000044 |
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