CN103606995A - Phase-shift feedback intelligent battery equalization energy-saving device - Google Patents
Phase-shift feedback intelligent battery equalization energy-saving device Download PDFInfo
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- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
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Abstract
The invention relates to a phase-shift feedback intelligent battery equalization energy-saving device including a plurality of batteries (BAT1, BAT2, BAT3, BAT4) which are connected serially in order so as to form an interface circuit; a battery equalization circuit used for energy feedback is arranged the two ends of a single battery of the interface circuit. The battery equalization circuit is used to control and adjust power voltages at the two ends of each of the plurality of batteries so that an energy feedback motion is realized and disadvantages, which exist in the prior art, that each battery needs to be provided with an electronic switch and a resistive load device are prevented. At the same time, electrical energy consumed by the plurality of electronic switches and resistive load devices during work of a conventional battery group is reduced, improvement of work efficiency is facilitated, cost is reduced and consumption of electrical energy of the battery group is reduced and thus consumption reduction and energy saving are realized. Therefore, prolonging of the service life of the batteries is achieved.
Description
[technical field]
The present invention relates to a kind of efficient energy-saving controller, relate in particular to the balanced energy-saving appliance of a kind of phase shift reaction type intelligent battery for battery energy-saving aspect.
[background technology]
Continuous universalness along with global electronic product, storage battery is storage power or essential instrument in energy is provided in electronic product, especially electric automobile, high ferro, aircrafts etc. are ubiquitous, but existing storage battery use conversion efficiency and useful life are unsatisfactory, so how to improve service efficiency and the life-span of storage battery, become the topic that the whole world, the world is paid close attention to.Because the energy consuming increases day by day, energy savings, raise the efficiency to reduce costs into and reduces limited resources waste and become the earnestly focus of concern of the whole world.The electric automobile of new forms of energy for example, boats and ships, the equipment of every use battery such as high ferro or batteries, majority is high direct voltage, so by the work that is cascaded of a plurality of storage batterys, and existing power of battery equalizer techniques makes every batteries all need to be connected in parallel accordingly an electronic switch and Resistor loader.Due to every batteries need to be connected in parallel an electronic switch and Resistor loader, so cause this circuit engineering cost compare high.In high-power power battery, adopt prior art to be difficult to realize equilibrium, because the every economize on electricity pressure of the static state in series-connected cell needs equality matching, be that each voltage equates when battery dispatches from the factory.But in the course of the work along with power, electric current, temperature and environment etc. change, make every batteries that the unequal variation of voltage will occur, cause battery operated decrease in efficiency, life-span seriously shortens, adopt prior art to work under large electric current to high-power battery to realize portfolio effect very micro-, can claim it is an utterly inadequate amount, if especially lithium ion and ferric phosphate lithium cell do not have voltage balance circuit to damage very soon.
[summary of the invention]
The technology of the present invention object is the balanced energy-saving appliance of phase shift reaction type intelligent battery that provides a kind of in order to solve the problem that above-mentioned prior art exists and reduce costs, increase work efficiency and increase the service life.
In order to realize above-mentioned technical purpose, the balanced energy-saving appliance of a kind of phase shift reaction type intelligent battery provided by the present invention, it comprises the battery pack (BAT1 that plural number joint is connected in series successively, BAT2, BAT3, BAT4) form serial interface circuit, described serial interface circuit two ends are provided with the battery equalizing circuit for energy back, described battery equalizing circuit comprises DC-DC accessory power supply modular converter, MCU intelligent control module, electronic power switch module, energy back high-frequency switching power supply module; Described DC-DC accessory power supply modular converter respectively with MCU intelligent control module, electronic power switch module, the operating voltage end of energy back high-frequency switching power supply module connects, described electronic power switch module input is in parallel with each single battery of battery pack, and output also connects the power input with energy back high-frequency switching power supply module; Described MCU intelligent control module output control terminal is connected between the control input end of electronic power switch module and is connected; Described energy back high-frequency switching power supply module output connecing with assembled battery total voltage two ends is connected;
When the sampled voltage at every batteries two ends is transported to MCU intelligent control module collection terminal, described MCU intelligent control module compares the reference voltage of the sampled voltage of every batteries and MCU intelligent control module inside mutually, as the reference voltage of the sampled voltage at certain batteries two ends higher than MCU intelligent control module inside, described MCU intelligent control module can send instructions to the control end of electronic power switch module automatically, described electronic power switch module is opened corresponding battery in parallel, by in certain batteries higher than the Power supply energy back high-frequency switching power supply module of MCU intelligent control module internal reference voltage, this high frequency switch power is by the voltage after isolation boosting and receive in the total voltage of battery pack, complete the course of work of energy back.
According to technical characteristics, described DC-DC accessory power supply modular converter comprises chip MD1, is arranged at respectively the 1st pin on chip MD1, the 2nd pin, and the 3rd pin, the 4th pin, the 5th pin, the 6th pin, inductance L 1; The 1st described pin is 5V end, and the 2nd pin is 3.3V end, and the 3rd pin is 1.2V end, and the 4th pin is earth terminal (SGND), and the 5th pin is power input (VIN); Described inductance L 1 one end is connected with the input of total voltage, and described inductance L 1 other end is connected with power input; Described earth terminal is connected with the total voltage negative pole of battery pack; The 1st described pin, the 2nd pin is connected with MCU intelligent control module respectively.
According to technical characteristics, described MCU intelligent control module comprises chip MD2, the 1st pin to the 12 pins, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6; Described resistance R 1 one end, resistance R 2 one end, resistance R 3 one end, resistance R 4 one end respectively interior the 1st pin to the 4 pins of corresponding chip MD2 connect; Described resistance R 5 is connected with the 5th pin, is CS end, and described resistance R 6 is connected with the 6th pin in chip MD2, is RT end; 8 described pins are USB end; Voltage sample resistance R 1 other end is connected with series-connected cell (BAT1); Described resistance R 2 other ends are connected with battery (BAT2); Described resistance R 3 other ends are connected with battery (BAT3), and described resistance R 4 other ends are connected with battery (BAT4), and the sampling end that described CS end is electric current is connected with resistance R 5; Described RT end is battery temperature acquisition interface, and described resistance R 6 one end are connected with RT end, and resistance R 6 other ends are connected with the 6th pin; USB end is the communication interface of MCU, this USB end and the 8th pin.
According to technical characteristics, described electronic power switch module comprises chip MD3, the 1st pin to the 14 pins, CON1 end, CON1 end, CON1 end, CON1 end; Described the 1st pin to the 4 pins are corresponding and battery BAT1 respectively, battery BAT2, and battery BAT3, one end that battery BAT4 connects CON1 end is connected with the 12nd pin in chip MD2, and interior the 6th pin of the other end chip MD3 of CON1 end; One end of CON2 end is connected with the 11st pin in chip MD2, and the 7th pin in the other end chip MD3 of CON2 end; One end of CON3 end is connected with the 10th pin in chip MD2, and the 8th pin in the other end chip MD3 of CON3 end; One end of CON4 end is connected with the 9th pin in chip MD2, and the 9th pin in the other end chip MD3 of CON4 end.
According to technical characteristics, described energy back high-frequency switching power supply module comprises chip MD4, is arranged at the inner A pin of chip MD4, B pin, C pin, D pin, E pin, F pin, SGND pin, electronic power switch SW1, electronic power switch SW2, electronic power switch SW3, electronic power switch SW4, electronic power switch SW5, diode D1; Described electronic power switch SW1 one end is connected with A pin in chip MD4, and the described electronic power switch SW1 other end is connected with 14 pins in chip MD3; Described electronic power switch SW2 one end is connected with B pin in chip MD4, and the described electronic power switch SW2 other end is connected with 13 pins in chip MD3; Described electronic power switch SW3 one end is connected with C pin in chip MD4, and the described electronic power switch SW3 other end is connected with 12 pins in chip MD3; Described electronic power switch SW4 one end is connected with D pin in chip MD4, and the described electronic power switch SW4 other end is connected with 11 pins in chip MD3; Described electronic power switch SW5 one end is connected with E pin in chip MD4, and the described electronic power switch SW5 other end is connected with 10 pins in chip MD3; The input of described diode D1 is connected with F pin in chip MD4, and described diode D1 output is connected with battery anode.
According to technical characteristics, described battery equalizing circuit also includes the capacitor C 1 on battery anode end, capacitor C 2, capacitor C 3.
The useful technique effect of the present invention: because single battery two ends in described serial interface circuit are provided with the battery equalizing circuit for energy back, described battery equalizing circuit comprises DC-DC accessory power supply modular converter, MCU intelligent control module, electronic power switch module, energy back high-frequency switching power supply module.When DC-DC accessory power supply modular converter, determine required Ge road operating voltage, guarantee the normal operation of circuit.The sampled voltage of every batteries is transported to MCU intelligent control module, described MCU intelligent control module compares the reference voltage of the sampled voltage of every batteries and MCU intelligent control module inside mutually, as the reference voltage of the sampled voltage at certain batteries two ends higher than MCU intelligent control module inside, described MCU intelligent control module can send instructions to electronic power switch module controls end automatically, described electronic power switch module is opened corresponding batteries in parallel connection, to in certain batteries, higher than reference voltage, pass through energy back high-frequency switching power supply module, this high frequency switch power is by the voltage after isolation boosting and receive in the total voltage of battery pack, complete the course of work of energy back.Based on above-mentioned, because being connected in series, plural batteries forms serial interface circuit, in this serial interface circuit, certain single battery two ends arranges a battery equalizing circuit, utilize this battery equalizing circuit in plural batteries group wherein the supply voltage at batteries two ends control and regulate and control, realize the energy back course of work, avoided every batteries in prior art need to configure the drawback of the technology such as electronic switch and Resistor loader, be conducive to reach and reduce costs.While having reduced battery pack work, a plurality of electronic switches and Resistor loader institute electric consumption, be conducive to increase work efficiency simultaneously, and the electric energy that is conducive to reduce battery pack consumes, thereby reaches energy-conservation of consumption reduction, extends battery.
[accompanying drawing explanation]
Fig. 1 is the structure principle chart of the balanced energy-saving appliance of phase shift reaction type intelligent battery in the present invention.
[embodiment]
Please refer to shown in Fig. 1, below in conjunction with a kind of embodiment, the balanced energy-saving appliance of a kind of phase shift reaction type intelligent battery provided by the present invention is described, it comprises the battery (BAT1 that plural number joint is connected in series successively, BAT2, BAT3, BAT4) form serial interface circuit, be arranged at the battery equalizing circuit at serial interface circuit two ends.
Described battery equalizing circuit comprises DC-DC accessory power supply modular converter, MCU intelligent control module, electronic power switch module, energy back high-frequency switching power supply module.
Described DC-DC accessory power supply modular converter comprises chip MD1, is arranged at respectively the 1st pin on chip MD1, the 2nd pin, and the 3rd pin, the 4th pin, the 5th pin, the 6th pin, inductance L 1; The 1st described pin is 5V end, and the 2nd pin is 3.3V end, and the 3rd pin is 1.2V end, and the 4th pin is earth terminal (SGND), and the 5th pin is power input (VIN); Described inductance L 1 one end is connected with the input of total voltage, and described inductance L 1 other end is connected with power input; Described earth terminal is connected with the total voltage negative pole of battery pack; The 1st described pin, the 2nd pin is connected with MCU intelligent control module respectively.
Described MCU intelligent control module comprises chip MD2, the 1st pin to the 12 pins, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6; Described resistance R 1 one end, resistance R 2 one end, resistance R 3 one end, resistance R 4 one end respectively interior the 1st pin to the 4 pins of corresponding chip MD2 connect; Described resistance R 5 is connected with the 5th pin, is CS end, and described resistance R 6 is connected with the 6th pin in chip MD2, is RT end; 8 described pins are USB end; Voltage sample resistance R 1 other end is connected with series-connected cell (BAT1); Described resistance R 2 other ends are connected with battery (BAT2); Described resistance R 3 other ends are connected with battery (BAT3), and described resistance R 4 other ends are connected with battery (BAT4), and the sampling end that described CS end is electric current is connected with resistance R 5; Described RT end is battery temperature acquisition interface, and described resistance R 6 one end are connected with RT end, and resistance R 6 other ends are connected with the 6th pin; USB end is the communication interface of MCU, this USB end and the 8th pin.
Described electronic power switch module comprises chip MD3, the 1st pin to the 14 pins, CON1 end, CON1 end, CON1 end, CON1 end; Described the 1st pin to the 4 pins are corresponding and battery BAT1 respectively, battery BAT2, and battery BAT3, battery BAT4 connects; One end of CON1 end is connected with the 12nd pin in chip MD2, and the 6th pin in the other end chip MD3 of CON1 end; One end of CON2 end is connected with the 11st pin in chip MD2, and the 7th pin in the other end chip MD3 of CON2 end; One end of CON3 end is connected with the 10th pin in chip MD2, and the 8th pin in the other end chip MD3 of CON3 end; One end of CON4 end is connected with the 9th pin in chip MD2, and the 9th pin in the other end chip MD3 of CON4 end.
Described energy back high-frequency switching power supply module comprises chip MD4, is arranged at the inner A pin of chip MD4, B pin, C pin, D pin, E pin, F pin, SGND pin, electronic power switch SW1, electronic power switch SW2, electronic power switch SW3, electronic power switch SW4, electronic power switch SW5, diode D1; Described electronic power switch SW1 one end is connected with A pin in chip MD4, and the described electronic power switch SW1 other end is connected with 14 pins in chip MD3; Described electronic power switch SW2 one end is connected with B pin in chip MD4, and the described electronic power switch SW2 other end is connected with 13 pins in chip MD3; Described electronic power switch SW3 one end is connected with C pin in chip MD4, and the described electronic power switch SW3 other end is connected with 12 pins in chip MD3; Described electronic power switch SW4 one end is connected with D pin in chip MD4, and the described electronic power switch SW4 other end is connected with 11 pins in chip MD3; Described electronic power switch SW5 one end is connected with E pin in chip MD4, and the described electronic power switch SW5 other end is connected with 10 pins in chip MD3; The input of described diode D1 is connected with F pin in chip MD4, and described diode D1 output is connected with battery anode.Described battery equalizing circuit also includes the capacitor C 1 on battery anode end, capacitor C 2, capacitor C 3.
Described DC-DC accessory power supply modular converter is connected with DC-DC accessory power supply modular converter respectively with electronic power switch module, and described electronic power switch module output is connected in parallel with every batteries respectively; Described MCU intelligent control module output is connected between control end corresponding to every batteries and the input of electronic power switch module; Described energy back high-frequency switching power supply module input is connected with electronic power switch module, and described energy back high-frequency switching power supply module input is connected with battery pack two ends.
When DC-DC accessory power supply modular converter is transported to MCU intelligent control module by the sampled voltage at every batteries two ends, described MCU intelligent control module compares the internal reference voltage of the sampled voltage of every batteries and MCU intelligent control module mutually, as the reference voltage of the sampled voltage at certain batteries two ends higher than MCU intelligent control module inside, described MCU intelligent control module sends instructions to control end corresponding to electronic power switch module automatically, described electronic power switch module is opened corresponding battery, the high frequency switch power of energy back high-frequency switching power supply module inside will be supplied with higher than the voltage energy of part in certain batteries, this high frequency switch power is by the power supply after isolation boosting and receive in the total voltage of battery pack, complete energy back action.
Described inductance L 1 and capacitor C 1 form filter circuit, offer DC-DC accessory power supply modular converter, then converted by the higher-order of oscillation by DC-DC accessory power supply modular converter after inductance L 1 filtering, provide different operating voltages.Resistance R 1, R2, R3, the sliced sample circuit that R4 forms.Through MCU modular converter, complete sampling and compare the circuit such as filtering, CS end and resistance R 5 are current sample interface, and RT end is battery temperature Sampling Interface, and resistance R 6 is amplitude limit resistance, USB end is communication acquisition interface, and intelligentized every data demonstration and control and communication data exchange can be provided.Electronic power switch module is to adopt phase shift power electronic switching and battery sampling control circuit, and this electronic switch module is to be subject to MCU intelligent control module to realize the switching function of each road power electronic switching.CON1 end, CON2 end, CON3 end, the Data Control line that CON4 end is MCU intelligent control module and power electronic switching, electronic power switch SW1, electronic power switch SW2, electronic power switch SW3, electronic power switch SW4 etc. is the output of power electronic switching, they are connected in parallel on the input of energy back high-frequency switching power supply module, energy back high-frequency switching power supply module is delivered to the voltage energy of balance in total voltage and is formed the circulating energy course of work by isolating diode D2, has so greatly saved electric flux, has also extended the useful life of battery.Described capacitor C 1, capacitor C 2, capacitor C 3 is battery supply filter capacitor, main level and smooth battery operated voltage.
DC-DC accessory power supply modular converter, it is that power supply for all control circuits is core, it guarantees that all technical of circuit runs well, in formal product, in every batteries, there is an adjustable resistance as sample circuit, adapt to different batteries, so no matter be lead-acid battery or NI-G, ni-mh and ferric phosphate lithium cell etc. can be set and used different batteries by the adjusting adjustable resistance of sampling, the internal reference voltage of single-chip microcomputer and chip MD2 and the sampled voltage of battery carry out comparison, if there is certain batteries to surpass set point, the MCU intelligent control module of chip MD2 can send instruction automatically, the power switch of opening corresponding battery by the electronic power switch control end of chip MD3 is attempted by Power supply chip MD4 boost type high frequency switch power the voltage after boosting in the total voltage of battery pack, realize the course of work of energy back.
In sum, because single battery two ends in described serial interface circuit are provided with the battery equalizing circuit for energy back, described battery equalizing circuit comprises DC-DC accessory power supply modular converter, MCU intelligent control module, electronic power switch module, energy back high-frequency switching power supply module.When the sampled voltage at every batteries two ends is transported to MCU intelligent control module, described MCU intelligent control module compares the reference voltage of the sampled voltage of every batteries and MCU intelligent control module inside mutually, as the reference voltage of the sampled voltage at certain batteries two ends higher than inside battery, described MCU intelligent control module sends instructions to electronic power switch module automatically, described electronic power switch module is opened corresponding battery circuit, the high frequency switch power of energy back high-frequency switching power supply module inside will be supplied with higher than the voltage energy of part on corresponding battery, this high frequency switch power is by the power supply after boosting and receive in the total voltage of battery pack, complete energy back action.Based on above-mentioned, because being connected in series, plural batteries forms serial interface circuit, the every joint of this serial interface circuit two ends arrange a battery equalizing circuit, utilize this phase shift battery equalizing circuit that the supply voltage at single battery two ends is controlled and regulated and controled, realize energy back action, avoided every batteries in prior art need to configure electronic switch and Resistor loader, present technique is conducive to reach and reduces costs.While having reduced battery pack work, a plurality of electronic switches and Resistor loader institute electric consumption, be conducive to increase work efficiency simultaneously, and the electric energy that is conducive to reduce battery pack consumes, and realizes energy-conservation of consumption reduction, thereby reaches prolongation battery.
Claims (6)
1. the balanced energy-saving appliance of a phase shift reaction type intelligent battery, it comprises the battery pack (BAT1 that plural number joint is connected in series successively, BAT2, BAT3, BAT4) and form serial interface circuit, the single battery two ends of described serial interface circuit are provided with the battery equalizing circuit for energy back, described battery equalizing circuit comprises DC-DC accessory power supply modular converter, MCU intelligent control module, electronic power switch module, energy back high-frequency switching power supply module; Described DC-DC accessory power supply modular converter respectively with MCU intelligent control module, electronic power switch module, the operating voltage end of energy back high-frequency switching power supply module connects, described electronic power switch module input is in parallel with each single battery of battery pack, and output also connects the power input with energy back high-frequency switching power supply module; Described MCU intelligent control module output control terminal is connected between the control input end of electronic power switch module and is connected; Described energy back high-frequency switching power supply module output connecing with assembled battery total voltage two ends is connected;
When the sampled voltage at every batteries two ends is transported to MCU intelligent control module collection terminal, described MCU intelligent control module compares the reference voltage of the sampled voltage of every batteries and MCU intelligent control module inside mutually, as the reference voltage of the sampled voltage at certain batteries two ends higher than MCU intelligent control module inside, described MCU intelligent control module can send instructions to the control end of electronic power switch module automatically, described electronic power switch module is opened corresponding battery in parallel, by in certain batteries higher than the Power supply energy back high-frequency switching power supply module of MCU intelligent control module internal reference voltage, this high frequency switch power is by the voltage after isolation boosting and receive in the total voltage of battery pack, complete the course of work of energy back.
2. the balanced energy-saving appliance of phase shift reaction type intelligent battery according to claim 1, is characterized in that: described DC-DC accessory power supply modular converter comprises chip MD1, is arranged at respectively the 1st pin on chip MD1, the 2nd pin, the 3rd pin, the 4th pin, the 5th pin, the 6th pin, inductance L 1; The 1st described pin is 5V end, and the 2nd pin is 3.3V end, and the 3rd pin is 1.2V end, and the 4th pin is earth terminal (SGND), and the 5th pin is power input (VIN); Described inductance L 1 one end is connected with the input of total voltage, and described inductance L 1 other end is connected with power input; Described earth terminal is connected with the total voltage negative pole of battery pack; The 1st described pin, the 2nd pin is connected with MCU intelligent control module respectively.
3. the balanced energy-saving appliance of phase shift reaction type intelligent battery according to claim 1, is characterized in that: described MCU intelligent control module comprises chip MD2 the 1st pin to the 12 pins, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6; Described resistance R 1 one end, resistance R 2 one end, resistance R 3 one end, resistance R 4 one end respectively interior the 1st pin to the 4 pins of corresponding chip MD2 connect; Described resistance R 5 is connected with the 5th pin, is CS end, and described resistance R 6 is connected with the 6th pin in chip MD2, is RT end; 8 described pins are USB end; Voltage sample resistance R 1 other end is connected with series-connected cell (BAT1); Described resistance R 2 other ends are connected with battery (BAT2); Described resistance R 3 other ends are connected with battery (BAT3), and described resistance R 4 other ends are connected with battery (BAT4), and the sampling end that described CS end is electric current is connected with resistance R 5; Described RT end is battery temperature acquisition interface, and described resistance R 6 one end are connected with RT end, and resistance R 6 other ends are connected with the 6th pin; USB end is the communication interface of MCU, this USB end and the 8th pin.
4. the balanced energy-saving appliance of phase shift reaction type intelligent battery according to claim 1, is characterized in that: described electronic power switch module comprises chip MD3, the 1st pin to the 14 pins, CON1 end, CON1 end, CON1 end, CON1 end; Described the 1st pin to the 4 pins are corresponding and battery BAT1 respectively, battery BAT2, and battery BAT3, battery BAT4 connects; One end of CON1 end is connected with the 12nd pin in chip MD2, and the 6th pin in the other end chip MD3 of CON1 end; One end of CON2 end is connected with the 11st pin in chip MD2, and in the other end chip MD3 of CON2 end, one end of the 7th pin CON3 end is connected with the 10th pin in chip MD2, and the 8th pin in the other end chip MD3 of CON3 end; One end of CON4 end is connected with the 9th pin in chip MD2, and the 9th pin in the other end chip MD3 of CON4 end.
5. the balanced energy-saving appliance of phase shift reaction type intelligent battery according to claim 1, is characterized in that: described energy back high-frequency switching power supply module comprises chip MD4, is arranged at the inner A pin of chip MD4, B pin, C pin, D pin, E pin, F pin, SGND pin, electronic power switch SW1, electronic power switch SW2, electronic power switch SW3, electronic power switch SW4, electronic power switch SW5, diode D1; Described electronic power switch SW1 one end is connected with A pin in chip MD4, and the described electronic power switch SW1 other end is connected with 14 pins in chip MD3; Described electronic power switch SW2 one end is connected with B pin in chip MD4, and the described electronic power switch SW2 other end is connected with 13 pins in chip MD3; Described electronic power switch SW3 one end is connected with C pin in chip MD4, and the described electronic power switch SW3 other end is connected with 12 pins in chip MD3; Described electronic power switch SW4 one end is connected with D pin in chip MD4, and the described electronic power switch SW4 other end is connected with 11 pins in chip MD3; Described electronic power switch SW5 one end is connected with E pin in chip MD4, and the described electronic power switch SW5 other end is connected with 10 pins in chip MD3; The input of described diode D1 is connected with F pin in chip MD4, and described diode D1 output is connected with battery anode.
6. the balanced energy-saving appliance of phase shift reaction type intelligent battery according to claim 1, is characterized in that: described battery equalizing circuit also includes the capacitor C 1 on battery anode end, capacitor C 2, capacitor C 3.
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| JP2002281609A (en) * | 2001-03-21 | 2002-09-27 | Masayuki Hattori | Combined secondary battery circuit and regenerative control system |
| CN102647007A (en) * | 2012-04-20 | 2012-08-22 | 上海电机学院 | Battery pack balanced management system |
| CN103269158A (en) * | 2013-04-24 | 2013-08-28 | 深圳市中电华星电子技术有限公司 | Synchronous rectification boost-buck circuit and device with parallel connection phase-shifting staggered current-sharing control |
| CN103326439A (en) * | 2013-06-28 | 2013-09-25 | 安科智慧城市技术（中国）有限公司 | Equalization circuit of battery pack and equalization method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103606995B8 (en) | 2017-05-10 |
| CN103606995B (en) | 2016-08-17 |
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