CN102832667A - Charge-discharge equalizer circuit based on inductive energy storage for series battery pack - Google Patents
Charge-discharge equalizer circuit based on inductive energy storage for series battery pack Download PDFInfo
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- CN102832667A CN102832667A CN2012103120491A CN201210312049A CN102832667A CN 102832667 A CN102832667 A CN 102832667A CN 2012103120491 A CN2012103120491 A CN 2012103120491A CN 201210312049 A CN201210312049 A CN 201210312049A CN 102832667 A CN102832667 A CN 102832667A
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Abstract
The invention discloses a charge-discharge equalizer circuit based on inductive energy storage for a series battery pack, wherein each battery unit module is connected with a set of equalizer sub circuit; the positive end of the series battery pack is connected with VCC (Voltage to Current Converter), and the negative end of the series battery pack is connected with GND; the series battery pack is divided into a front part and a rear part according to a connecting point N; the number of battery unit modules in the front part is more than the number of battery unit modules in the rear part at most by one; the battery unit modules in the front part are odd batteries, and the battery unit modules in the rear part are even batteries; and the equalizer sub circuits connected with the odd batteries are considered as odd equalizer sub circuits, and the equalizer sub circuits connected with the even batteries are considered as even equalizer sub circuits. A battery management system transmits equalization instructions to a control circuit according to the remaining battery capacity of the batteries in battery pack, the control circuit enables the batteries connected with the control circuit to be charged or discharged by controlling the switching-on and switching-off of an upper bridge arm MOS (Metal Oxide Semiconductor) transistor Qu or a lower bridge arm MOS transistor Qd on each equalizer sub circuit, so that each battery is protected from the over-charging and over-discharging situations in the charging and discharging processes.
Description
Technical field
The present invention relates to a kind of cell balancing, the equalizing circuit of the battery management system of the energy storage equipment of especially a kind of mixed power electric car or pure electric automobile or storage station.
Background technology
Series-connected cell is after a plurality of charge and discharge cycles of process; Residual capacity (the SOC of each battery unit module; Three kinds of situation roughly can appear in distribution State of Charge): (SOC, State of Charge) is higher for the residual capacity of (1) individual cell unit module; (2) residual capacity of individual cell unit module (SOC, State of Charge) is on the low side; (3) residual capacity of individual cell unit module (SOC, State of Charge) is higher on the low side with residual capacity (SOC, State of Charge) the individual cell unit module.
To above-mentioned three kinds of situation, domestic and international research person has all proposed the solution of oneself.As being directed against situation (1); There is the researcher to propose the parallel resistance shunting; It falls through resistance consumption through the energy of the corresponding switch of the control battery that residual capacity (SOC, State of Charge) is higher, and this method wastes energy; And in the process of equilibrium, produced a large amount of heat, increased the load of battery thermal management.Also have the researcher to propose the bi-directional DC-DC equalization, equalizing circuits such as coaxial transformer equalization, these circuit transformer of all having sampled makes the cost of equalizing circuit increase.
The method of the balanced control of lithium ion battery group at present by the consumption situation of circuit in the balancing procedure to energy, can be divided into two big types of energy dissipation type and energy non-dissipative types.According to the equalization function classification, can be divided into charge balancing, equalization discharge and dynamic equalization.Charge balancing is meant the equilibrium in charging process, generally is when batteries monomer voltage reaches set point, to begin equilibrium, prevents to overcharge thereby reduce charging current.Equalization discharge is the equilibrium in discharge process, through preventing overdischarge to the low cell makeup energy of dump energy (SOC, State of Charge).The dynamic equalization mode has combined the advantage of charge balancing and equalization discharge, in the whole charging and discharging process, battery pack is carried out equilibrium, has avoided the problem in the single equilibrium.
Summary of the invention
The purpose of this invention is to provide the series battery charge and discharge balancing circuit in a kind of battery management system that is applied in series battery based on inductive energy storage; Guarantee that battery does not occur overcharging and overdischarge in charging and discharge process; Improve the unbalanced phenomenon of series battery, improve the active volume of battery pack, reduce the maintenance and the replacing of series battery; Prolong the useful life of battery pack, reduce the cost of hybrid vehicle, electric automobile and storage station.
To achieve these goals, the present invention is achieved through following technical proposals.
A kind of series battery charge and discharge balancing circuit based on inductive energy storage; Said series battery comprises the battery unit module that is connected in series more than three; Said charge and discharge balancing circuit comprises the balanced electronic circuit more than three, and each battery unit module all is connected with a balanced electronic circuit separately, and said series battery has anode (VCC) and negative terminal (GND); A tie point N with in the said series battery is a separation; Said series battery anode (VCC) is a forward part to the battery unit module between the tie point N, and tie point N is the rear section to the battery unit module between the series battery negative terminal (GND), and the most number of battery unit module is Duoed one than the number of rear section battery unit module in the forward part; The battery unit module of forward part is called strange battery; The battery unit module of rear section is called even battery, and the balanced electronic circuit that is connected with strange battery is called strange balanced electronic circuit, and the balanced electronic circuit that is connected with even battery is called balanced electronic circuit; Forward part series-connected cell unit module is a starting point with tie point N, and series battery anode (VCC) is a terminal point, in order the battery unit module is designated as the first strange battery B
1, the second strange battery B
3, the 3rd strange battery B
5, name in order according to this, the battery unit module that is connected with series battery anode (VCC) is the
Strange battery B
iRear section series-connected cell unit module is a starting point with tie point N, and series battery negative terminal (GND) is a terminal point, in order the battery unit module is designated as the first even battery B
2, the second even battery B
4, the 3rd even battery B
6, name in order according to this, the element cell that is connected with series battery negative terminal (GND) is the
Idol battery B
j, j is a positive even numbers; The anode of said strange battery connects the last brachium pontis metal-oxide-semiconductor Q of strange balanced electronic circuit
uDrain electrode a, negative terminal connects the second end e of the energy storage inductor L of strange balanced electronic circuit; The anode of said even battery connects the second end e of the energy storage inductor L of the balanced electronic circuit of idol, and negative terminal connects brachium pontis metal-oxide-semiconductor Q down
dDrain electrode d.
Further, said balanced electronic circuit comprises brachium pontis metal-oxide-semiconductor Q
u, following brachium pontis metal-oxide-semiconductor Q
dWith energy storage inductor L, last brachium pontis metal-oxide-semiconductor Q
uSource electrode, following brachium pontis metal-oxide-semiconductor Q
dDrain electrode, the first end three of energy storage inductor L be connected last brachium pontis metal-oxide-semiconductor Q
uDrain electrode a, go up brachium pontis metal-oxide-semiconductor Q
uGrid b, following brachium pontis metal-oxide-semiconductor Q
dGrid c, following brachium pontis metal-oxide-semiconductor Q
dDrain electrode d and the second end e of energy storage inductor L link to each other.
Further, said battery unit module is lead-acid battery, lithium ion battery, Ni-MH battery or ultracapacitor.
Further, the following brachium pontis metal-oxide-semiconductor Q of said strange balanced electronic circuit
dDrain electrode d meet series battery negative terminal GND, last brachium pontis metal-oxide-semiconductor Q
uGrid b, following brachium pontis metal-oxide-semiconductor Q
dGrid c connect control circuit.
Further, the last brachium pontis metal-oxide-semiconductor Q of the balanced electronic circuit of said idol
uDrain electrode a connect series battery anode VCC, last brachium pontis metal-oxide-semiconductor Q
uGrid b, following brachium pontis metal-oxide-semiconductor Q
dGrid c connect control circuit.
Further, said i value is 1～59, and the j value is 2～60.
Further; The control signal of said control circuit is by the dump energy (SOC of battery management system according to each battery unit module; State of Charge) send balanced instruction to control circuit, control circuit is accepted the last brachium pontis metal-oxide-semiconductor Q of strange, the even balanced electronic circuit of commands for controlling of battery management system
uOr following brachium pontis metal-oxide-semiconductor Q
dTurn on and off the equilibrium that realizes battery; The last brachium pontis metal-oxide-semiconductor Q of same strange, even balanced electronic circuit
u, following brachium pontis metal-oxide-semiconductor Q
dNot conducting simultaneously; Said strange balanced electronic circuit can charge and discharges the coupled strange battery that connects, and the balanced electronic circuit of said idol can charge and discharges the coupled even battery that connects.
Compared with prior art; The present invention has following advantage and technique effect: the present invention is owing to adopt above-mentioned equalizing circuit (EQU) technology in the battery management system of series battery; Can guarantee that each battery does not occur overcharging and overdischarge in charging and discharge process; Improve the unbalanced phenomenon of series battery, improve the active volume of battery pack, reduce the maintenance and the replacing of series battery; Prolong the useful life of battery pack, reduce the cost of hybrid vehicle, electric automobile and storage station.
Description of drawings
Fig. 1 is the series battery charge and discharge balancing circuit theory diagrams of execution mode.
Fig. 2 is balanced electronic circuit schematic diagram.
Fig. 3 is the charge and discharge balancing circuit diagram of 4 batteries series connection.
Fig. 4 is the charge and discharge balancing circuit diagram of 5 batteries series connection.
Fig. 5 is the charge and discharge balancing circuit diagram of 14 batteries series connection.
Embodiment
Elaborate below in conjunction with the accompanying drawing specific embodiments of the invention, but enforcement of the present invention is not limited thereto.
Among Fig. 1, series battery charge and discharge balancing circuit, each battery unit module is connected with a cover equalizing circuit; At least three battery unit module series connection, the anode VCC of series battery, negative terminal GND, series battery is divided into top, lower part; The tie point N of top and lower part, anode VCC is top to the series-connected cell unit module of tie point N, tie point N is the lower part to the series-connected cell unit module of negative terminal GND; The most number of top battery unit module Duos one than the number of lower part battery unit module; Top battery unit module is strange battery, and lower part battery unit module is even battery, and the balanced electronic circuit that is connected with strange battery is strange balanced electronic circuit; The balanced electronic circuit that is connected with even battery is the balanced electronic circuit of idol; Top series-connected cell unit module is a starting point with tie point N, and anode VCC is a terminal point, in order the battery unit module is designated as the first strange battery B
1, the second strange battery B
3, the 3rd strange battery B
5... (and the like), the element cell that is connected with anode VCC is
Strange battery B
i(i=1,3,5 ...) (be in order to represent that i is an odd number, to represent with ellipsis, do not limit maximum, if must maximum, that arrives 59 here.Be i=1,3,5,7,9,11,13,15,17,19,21; 23,25,27,29,31,33,35,37,39,41,43; 45,47,49,51,53,55,57,59), lower part series-connected cell unit module is a starting point with tie point N, and negative terminal GND is a terminal point, in order the battery unit module is designated as the first even battery B
2, the second even battery B
4, the 3rd even battery B
6... (and the like), the element cell that is connected with negative terminal GND is
Idol battery B
j(j=2,4,6 ...) (be in order to represent that j is an even number, to represent with ellipsis, do not limit maximum, if must maximum, that arrives 60 here.Be j=2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,32,36,38,40,42,44,46,48,50,52,54,56,58,60), the positive and negative terminal of said strange battery connects the last brachium pontis metal-oxide-semiconductor Q of strange balanced electronic circuit respectively
uDrain electrode a, the second end e of energy storage inductor L, the positive and negative two ends of said even battery connect the second end e of the energy storage inductor L of the balanced electronic circuit of idol, brachium pontis metal-oxide-semiconductor Q down respectively
dDrain electrode d.Battery management system sends balanced instruction according to the dump energy (SOC, State of Charge) of each element cell in the battery pack to control circuit, and control circuit is through the last brachium pontis metal-oxide-semiconductor Q of strange (idol) the balanced electronic circuit of control
uOr following brachium pontis metal-oxide-semiconductor Q
dTurn on and off to the coupled battery charge that connects or the discharge.The control line of representing with solid line is used to control the last brachium pontis metal-oxide-semiconductor Q of balanced strange balanced electronic circuit
uWith brachium pontis metal-oxide-semiconductor Q under the balanced electronic circuit of idol
dTurn on and off, give coupled strange (idol) battery discharge that connects.The control line that dots is used to control the following brachium pontis metal-oxide-semiconductor Q of balanced strange balanced electronic circuit
dWith brachium pontis metal-oxide-semiconductor Q on the balanced electronic circuit of idol
uTurn on and off, give coupled strange (idol) battery charge that connects.
Battery management system is that single-chip microcomputer (like C8051F340) is core, generally has functions such as battery status detection, battery status analysis, cell safety protection, energy control and management, battery information management.To different application scenarios, battery management system should have different functions.Said control circuit be embodied as this area routine techniques; It is not content of the present invention; Control circuit is to have the electrical isolation function, and like the light-coupled isolation of adopting TLP521-1 or transformer isolation etc., the control signal that battery management system is sent transfers to can directly drive brachium pontis metal-oxide-semiconductor Q
u, following brachium pontis metal-oxide-semiconductor Q
dThe drive circuit signal.The inductance value that it will be apparent to those skilled in the art that the said strange balanced electronic circuit and the energy storage inductor L of the balanced electronic circuit of idol is decided based on concrete requirement.The size of the frequency of said control circuit control signal is according to the inductance value of strange (idol) the balanced electronic circuit energy storage inductor L that is controlled, last brachium pontis metal-oxide-semiconductor Q
uWith following brachium pontis metal-oxide-semiconductor Q
dSwitching loss, battery unit module voltage, battery unit module capacity and decide.The duty ratio of said control circuit control signal should make very that the energy storage inductor L of (idol) balanced electronic circuit resets in each signal period, i.e. the electric current of the energy storage inductor L rising of starting from scratch drops to zero at last again.
For strange battery B
iWith strange balanced electronic circuit S
i(i=1,3,5 ...) the last brachium pontis metal-oxide-semiconductor Q that comprised
u, following brachium pontis metal-oxide-semiconductor Q
d, energy storage inductor L.As last brachium pontis metal-oxide-semiconductor Q
uWhen opening, the electric current of energy storage inductor L rises, energy storage inductor L energy storage; As last brachium pontis metal-oxide-semiconductor Q
uDuring shutoff, energy storage inductor L passes through brachium pontis metal-oxide-semiconductor Q down
dThe body diode afterflow, battery B
iDischarge.Instantly brachium pontis metal-oxide-semiconductor Q
dWhen opening, the electric current of energy storage inductor L rises, energy storage inductor L energy storage; Instantly brachium pontis metal-oxide-semiconductor Q
dDuring shutoff, energy storage inductor L is through last brachium pontis metal-oxide-semiconductor Q
uThe body diode afterflow, battery B
iCharging.
For even battery B
jWith the balanced electronic circuit S of idol
j(j=2,4,6 ...) the last brachium pontis metal-oxide-semiconductor Q that comprised
u, following brachium pontis metal-oxide-semiconductor Q
d, energy storage inductor L.As last brachium pontis metal-oxide-semiconductor Q
uWhen opening, the electric current of energy storage inductor L rises, energy storage inductor L energy storage; As last brachium pontis metal-oxide-semiconductor Q
uDuring shutoff, energy storage inductor L passes through brachium pontis metal-oxide-semiconductor Q down
dThe body diode afterflow, battery B
jCharging.Instantly brachium pontis metal-oxide-semiconductor Q
dWhen opening, the electric current of energy storage inductor L rises, energy storage inductor L energy storage; Instantly brachium pontis metal-oxide-semiconductor Q
dDuring shutoff, energy storage inductor L is through last brachium pontis metal-oxide-semiconductor Q
uThe body diode afterflow, battery B
jDischarge.
Among Fig. 5, in the series battery discharge process, battery management system detects the first strange battery B
1, the second even battery B
4Dump energy (SOC, State of Charge) on the low side, in order to prevent the first strange battery B
1, the second even battery B
4Overdischarge, battery management system sends instruction to control circuit, the control circuit control and the first strange battery B
1The strange balanced electronic circuit S that is connected
1Following brachium pontis metal-oxide-semiconductor Q
dWith the second even battery B
4The balanced electronic circuit S of idol
4Last brachium pontis metal-oxide-semiconductor Q
uTurn on and off with certain frequency and duty ratio, the frequency of switch and duty ratio are set according to concrete circuit.
When with the first strange battery B
1The strange balanced electronic circuit S that is connected
1Following brachium pontis metal-oxide-semiconductor Q
dWhen opening, whole even batteries, with the first strange battery B
1The strange balanced electronic circuit S that is connected
1Energy storage inductor L and following brachium pontis metal-oxide-semiconductor Q
dForm the loop, the electric current that flows through energy storage inductor L risings of starting from scratch, whole even batteries charge energy storage inductor L energy storage for energy storage inductor L; When with the first strange battery B
1The strange balanced electronic circuit S that is connected
1Following brachium pontis metal-oxide-semiconductor Q
dDuring shutoff, with the first strange battery B
1The strange balanced electronic circuit S that is connected
1Energy storage inductor L and last brachium pontis metal-oxide-semiconductor Q
uBody diode, the first strange battery B
1Form the loop, the electric current of energy storage inductor L through with the first strange battery B
1The strange balanced electronic circuit S that is connected
1Last brachium pontis metal-oxide-semiconductor Q
uThe body diode afterflow, give the first strange battery B
1Charging, the electric current that flows through energy storage inductor L descends, and when finishing to this switch periods, the electric current that flows through energy storage inductor L drops to zero, and inductance resets.
When with the second even battery B
4The balanced electronic circuit S of the idol that is connected
4Last brachium pontis metal-oxide-semiconductor Q
uWhen opening, the second even battery B
4, all strange batteries, with the second even battery B
4The balanced electronic circuit S of the idol that is connected
4Energy storage inductor L and last brachium pontis metal-oxide-semiconductor Q
uForm the loop, the electric current that the flows through energy storage inductor L rising of starting from scratch, the first even battery B
2Give energy storage inductor L charging, energy storage inductor L energy storage with all strange battery; When with the second even battery B
4The balanced electronic circuit S of the idol that is connected
4Last brachium pontis metal-oxide-semiconductor Q
uDuring shutoff, with the second even battery B
4The balanced electronic circuit S of the idol that is connected
4Energy storage inductor L and following brachium pontis metal-oxide-semiconductor Q
dBody diode, the second even battery B
4Form the loop, the electric current of inductance through with the second even battery B
4The balanced electronic circuit S of the idol that is connected
4Following brachium pontis metal-oxide-semiconductor Q
dThe body diode afterflow, give the second even battery B
4Charging, the electric current that flows through energy storage inductor L descends, and when finishing to this switch periods, the electric current that flows through energy storage inductor L drops to zero, and energy storage inductor L resets.
Among Fig. 5, in the series battery charge process, battery management system detects the first strange battery B
1, the second even battery B
4Dump energy (SOC, State of Charge) higher, in order to prevent the first strange battery B
1, the second even battery B
4Overcharge, battery management system sends instruction to control circuit, the control circuit control and the first strange battery B
1The strange balanced electronic circuit S that is connected
1Last brachium pontis metal-oxide-semiconductor Q
uWith the second even battery B
4The balanced electronic circuit S of idol
4Following brachium pontis metal-oxide-semiconductor Q
dTurn on and off with certain frequency and duty ratio, the frequency of switch and duty ratio are set according to concrete circuit.
When with the first strange battery B
1The strange balanced electronic circuit S that is connected
1Last brachium pontis metal-oxide-semiconductor Q
uWhen opening, the first strange battery B
1, with the first strange battery B
1The strange balanced electronic circuit S that is connected
1Energy storage inductor L and last brachium pontis metal-oxide-semiconductor Q
uForm the loop, energy storage inductor L absorbs the battery first strange B
1Charging current, the electric current that the flows through inductance L rising of starting from scratch, the first strange battery B
1Charging current reduce energy storage inductor L energy storage; When with the first strange battery B
1The strange balanced electronic circuit S that is connected
1Last brachium pontis metal-oxide-semiconductor Q
uDuring shutoff, with the first strange battery B
1The strange balanced electronic circuit S that is connected
1Energy storage inductor L and following brachium pontis metal-oxide-semiconductor Q
dBody diode, whole even battery form the loop, the electric current of energy storage inductor L through with the first strange battery B
1The strange balanced electronic circuit S that is connected
1Following brachium pontis metal-oxide-semiconductor Q
dThe body diode afterflow, give whole even battery charge, the electric current that flows through energy storage inductor L descends, when finishing to this switch periods, the electric current that flows through energy storage inductor L drops to zero, energy storage inductor L resets.
When with the second even battery B
4The balanced electronic circuit S of the idol that is connected
4Following brachium pontis metal-oxide-semiconductor Q
dWhen opening, the second even battery B
4, with the second even battery B
4The balanced electronic circuit S of the idol that is connected
4Energy storage inductor L and following brachium pontis metal-oxide-semiconductor Q
dForm the loop, energy storage inductor L absorbs battery B
4Charging current, the electric current that the flows through energy storage inductor L rising of starting from scratch, the second even battery B
4Charging current reduce energy storage inductor L energy storage; When with the second even battery B
4The balanced electronic circuit S of the idol that is connected
4Following brachium pontis metal-oxide-semiconductor Q
dDuring shutoff, with the second even battery B
4The balanced electronic circuit S of the idol that is connected
4Energy storage inductor L and following brachium pontis metal-oxide-semiconductor Q
uBody diode, the first even battery B
2, all strange batteries are formed the loop, the electric current of energy storage inductor L through with the second even battery B
4The balanced electronic circuit S of the idol that is connected
4Last brachium pontis metal-oxide-semiconductor Q
uThe body diode afterflow, give the first even battery and all strange battery charge, the electric current that flows through energy storage inductor L descends, when finishing to this switch periods, the electric current that flows through energy storage inductor L drops to zero, energy storage inductor L resets.
Claims (7)
1. series battery charge and discharge balancing circuit based on inductive energy storage; Said series battery comprises the battery unit module that is connected in series more than three; It is characterized in that said charge and discharge balancing circuit comprises the balanced electronic circuit more than three; Each battery unit module all is connected with a balanced electronic circuit separately; Said series battery has anode (VCC) and negative terminal (GND), is separation with a tie point N in the said series battery, and said series battery anode (VCC) is a forward part to the battery unit module between the tie point N; Tie point N is the rear section to the battery unit module between the series battery negative terminal (GND); The most number of battery unit module is Duoed one than the number of rear section battery unit module in the forward part, and the battery unit module of forward part is called strange battery, and the battery unit module of rear section is called even battery; The balanced electronic circuit that is connected with strange battery is called strange balanced electronic circuit, and the balanced electronic circuit that is connected with even battery is called balanced electronic circuit; Forward part series-connected cell unit module is a starting point with tie point N, and series battery anode (VCC) is a terminal point, in order the battery unit module is designated as the first strange battery B
1, the second strange battery B
3, the 3rd strange battery B
5, name in order according to this, the battery unit module that is connected with series battery anode (VCC) is the
Strange battery B
iRear section series-connected cell unit module is a starting point with tie point N, and series battery negative terminal (GND) is a terminal point, in order the battery unit module is designated as the first even battery B
2, the second even battery B
4, the 3rd even battery B
6, name in order according to this, the element cell that is connected with series battery negative terminal (GND) is the
Idol battery B
j, j is a positive even numbers; The anode of said strange battery connects the last brachium pontis metal-oxide-semiconductor (Q of strange balanced electronic circuit
u) drain electrode (a), negative terminal connects second end (e) of the energy storage inductor (L) of strange balanced electronic circuit; The anode of said even battery connects second end (e) of the energy storage inductor (L) of the balanced electronic circuit of idol, and negative terminal connects brachium pontis metal-oxide-semiconductor (Q down
d) drain electrode (d).
2. series battery charge and discharge balancing circuit according to claim 1 is characterized in that said balanced electronic circuit comprises brachium pontis metal-oxide-semiconductor (Q
u), following brachium pontis metal-oxide-semiconductor (Q
d) and energy storage inductor (L), last brachium pontis metal-oxide-semiconductor (Q
u) source electrode, following brachium pontis metal-oxide-semiconductor (Q
d) drain electrode, the first end three of energy storage inductor (L) be connected last brachium pontis metal-oxide-semiconductor (Q
u) drain electrode (a), go up brachium pontis metal-oxide-semiconductor (Q
u) grid (b), following brachium pontis metal-oxide-semiconductor (Q
d) grid (c), following brachium pontis metal-oxide-semiconductor (Q
d) drain electrode (d) and second end (e) of energy storage inductor (L) link to each other.
3. series battery charge and discharge balancing circuit according to claim 1 is characterized in that said battery unit module is lead-acid battery, lithium ion battery, Ni-MH battery or ultracapacitor.
4. series battery equalizing circuit according to claim 1 is characterized in that, the following brachium pontis metal-oxide-semiconductor (Q of said strange balanced electronic circuit
d) drain electrode (d) connect series battery negative terminal (GND), last brachium pontis metal-oxide-semiconductor (Q
u) grid (b), following brachium pontis metal-oxide-semiconductor (Q
d) grid (c) connect control circuit.
5. series battery charge and discharge balancing circuit according to claim 1 is characterized in that, the last brachium pontis metal-oxide-semiconductor (Q of the balanced electronic circuit of said idol
u) drain electrode a connect series battery anode (VCC), last brachium pontis metal-oxide-semiconductor (Q
u) grid (b), following brachium pontis metal-oxide-semiconductor (Q
d) grid (c) connect control circuit.
6. series battery charge and discharge balancing circuit according to claim 1; It is characterized in that; The control signal of said control circuit is to be instructed to the equilibrium that control circuit sends by the dump energy of battery management system according to each battery unit module, and control circuit is accepted the last brachium pontis metal-oxide-semiconductor (Q of strange, the even balanced electronic circuit of commands for controlling of battery management system
u) or following brachium pontis metal-oxide-semiconductor (Q
d) turn on and off the equilibrium that realizes battery; The last brachium pontis metal-oxide-semiconductor (Q of same strange, even balanced electronic circuit
u), following brachium pontis metal-oxide-semiconductor (Q
d) not conducting simultaneously; Said strange balanced electronic circuit can charge and discharges the coupled strange battery that connects, and the balanced electronic circuit of said idol can charge and discharges the coupled even battery that connects.
7. according to the described series battery charge and discharge balancing of claim 1～6 circuit, it is characterized in that said i value is 1～59, the j value is 2～60.
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| CN104201731A (en) * | 2014-08-12 | 2014-12-10 | 华南理工大学 | Series connection battery pack two-way charging and discharging equalization circuit based on inductor energy storage |
| CN105140998A (en) * | 2015-09-14 | 2015-12-09 | 华南理工大学 | Bidirectional lossless equalization circuit of series battery pack based on inductive energy storage |
| CN105162200A (en) * | 2015-09-15 | 2015-12-16 | 华南理工大学 | Layered battery pack balancing circuit |
| WO2018107963A1 (en) * | 2016-12-14 | 2018-06-21 | 华南理工大学 | Inductive energy storage-based improved circuit for series-connected battery-pack bidirectional lossless equalization |
| US10218193B2 (en) | 2014-07-29 | 2019-02-26 | Nicoventures Holdings Limited | E-cigarette and re-charging pack |
| CN114156962A (en) * | 2021-10-19 | 2022-03-08 | 深圳奥特迅电力设备股份有限公司 | Direct-current guarding power supply system and storage battery balance control method thereof |
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| CN202872396U (en) * | 2012-08-29 | 2013-04-10 | 华南理工大学 | Charge and discharge equalization circuit for series battery based on inductance energy storage |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10218193B2 (en) | 2014-07-29 | 2019-02-26 | Nicoventures Holdings Limited | E-cigarette and re-charging pack |
| US10536013B2 (en) | 2014-07-29 | 2020-01-14 | Nicoventures Holdings Limited | E-cigarette and re-charging pack |
| US10873196B2 (en) | 2014-07-29 | 2020-12-22 | Nicoventures Holdings Limited | E-cigarette and re-charging pack |
| US11811027B2 (en) | 2014-07-29 | 2023-11-07 | Nicoventures Trading Limited | E-cigarette and re-charging pack |
| US12095052B2 (en) | 2014-07-29 | 2024-09-17 | Nicoventures Trading Limited | E-cigarette and re-charging pack |
| CN104201731A (en) * | 2014-08-12 | 2014-12-10 | 华南理工大学 | Series connection battery pack two-way charging and discharging equalization circuit based on inductor energy storage |
| CN105140998A (en) * | 2015-09-14 | 2015-12-09 | 华南理工大学 | Bidirectional lossless equalization circuit of series battery pack based on inductive energy storage |
| CN105140998B (en) * | 2015-09-14 | 2018-06-19 | 华南理工大学 | The two-way non-dissipative equalizing circuit of series battery based on inductive energy storage |
| CN105162200A (en) * | 2015-09-15 | 2015-12-16 | 华南理工大学 | Layered battery pack balancing circuit |
| WO2018107963A1 (en) * | 2016-12-14 | 2018-06-21 | 华南理工大学 | Inductive energy storage-based improved circuit for series-connected battery-pack bidirectional lossless equalization |
| CN114156962A (en) * | 2021-10-19 | 2022-03-08 | 深圳奥特迅电力设备股份有限公司 | Direct-current guarding power supply system and storage battery balance control method thereof |
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