CN106877440A - A kind of battery equalization system - Google Patents
A kind of battery equalization system Download PDFInfo
- Publication number
- CN106877440A CN106877440A CN201710158101.5A CN201710158101A CN106877440A CN 106877440 A CN106877440 A CN 106877440A CN 201710158101 A CN201710158101 A CN 201710158101A CN 106877440 A CN106877440 A CN 106877440A
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- Prior art keywords
- battery
- voltage
- channel relay
- relay
- controller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention proposes a kind of battery equalization system, the battery equalization system includes battery pack, n two channel relay, n single channel relay, controller, a boosting battery and a battery status monitoring unit being in series by n section cells, and wherein n is the positive integer more than or equal to 2；Electrically connected with a single channel relay between adjacent two sections cell, wherein one end of the battery pack electrically connects with a single channel relay；The battery status detection unit is electrically connected with each section cell respectively, and each batteries connect a two channel relay；The controller is electrically connected with each two channel relay, each single channel relay, battery status monitoring unit and boosting battery respectively.Battery equalization system of the invention is lost in addition to the loss of wire and relay contacts resistance without other.The invention allows for a kind of equalization methods of battery equalization system, safe and reliable, low-loss.
Description
Technical field
The present invention relates to a kind of battery equalization system.
Background technology
Prior art develops with domestic economy, and battery usage quantity is more and more, and the voltage of each battery is not in battery pack
Balance can cause to occur putting during series-connection charge-discharge or overcharged, and cell damage occur or catch fire.
The voltage of cell is generally very low, to reach the use demand that mega project is, it is necessary to using the mode of series connection,
But due to the chemical feature of battery, different internal resistances occur when production per batteries, during series-connection charge-discharge,
Internal resistance is inconsistent to cause the current drain slightly difference of each battery, and the balance of voltage is consistent when original production, discharge and recharge
Each cell voltage appearance for occurring series battery after repeatedly is different.Therefore battery equalization system is needed to each voltage
Difference control within the specific limits, increases and capacity and extension battery life can be used.
It is balanced balanced with on-consumable mode that current most equalizing system is divided into consumption wayses.Consumption wayses equilibrium is logical
Cross one resistance of cell parallel in a balanced way is needed, consume its ability, decline its voltage.But the equalization efficiency of this mode
It is low, and the use capacity of original battery pack can be reduced.On-consumable mode is balanced, generally requires an electric pressure converter, in control
Device detect certain monomer voltage it is higher when, the energy of the higher monomer of voltage is fed back into the inclined monomer of voltage by converter,
Energy is re-used during weighing apparatus, so as to reach the equilibrium of voltage and energy.
Traditional on-consumable mode is balanced in addition, by the transfer of cell voltage, using electric pressure converter, in transfer process
Loss is also resulted in, can be reduced after the time is long and be used capacity.
The content of the invention
The present invention proposes a kind of battery equalization system, overcomes problem present in existing battery pack balancing technology, proposes
A kind of non-energy consumption low-loss type battery equalization system.It is equal in a balanced way that battery equalization system of the invention effectively solves consumption wayses
To the problem of energy loss during weighing apparatus.Effective solution is lost by no means mode in a balanced way in balancing procedure due to energy converter efficiency
Loss caused by problem.
The present invention also proposes a kind of equalization methods of battery equalization system, safe and reliable, low-loss.
The technical proposal of the invention is realized in this way：A kind of battery equalization system, the battery equalization system includes one
Individual battery pack, n two channel relay, n single channel relay, controller, one being in series by n section cells
Individual boosting battery and a battery status monitoring unit, wherein n is the positive integer more than or equal to 2；Adjacent two sections cell
Between electrically connected with a single channel relay, wherein one end of the battery pack electrically connects with a single channel relay；Institute
State battery status detection unit electrically connect with each section cell respectively, for measuring the voltage of cell in real time and by electricity
Press data is activation to the controller；The positive and negative terminal of each batteries corresponds to two passages with a two channel relay respectively
One end connection, the passage for connecting the positive pole of battery is first passage, and connection GND is second channel, each bilateral
Another pin of the first passage of road relay is connected with each other, and another of the second channel of each two channel relay draws
Pin is connected with each other；The controller is monitored with each two channel relay, each single channel relay, battery status respectively
Unit and boosting battery are electrically connected, and the voltage data that the controller is used to receive the battery status detection unit transmission enters
Row analysis simultaneously controls the either off or on of single channel relay and two channel relay, the boosting battery also with the battery
Condition Monitoring Unit is electrically connected.
Further, a single channel relay is electrically connected with nearly positive pole one end of battery pack.
Further, a single channel relay is electrically connected with nearly negative pole one end of battery pack.
Further, it is connected to single channel relay between two neighboring cell and is located at and is connected to two neighboring monomer
Between two pins of the two channel relay between battery.
Further, the controller is electrically connected with user power utilization system.
Further, the two ends of the battery pack are used to connect user power utilization system or batter-charghing system.
A kind of equalization methods of battery equalization system are comprised the following steps：Controller receives battery status detection unit hair
The battery voltage data for coming, by calculating, whether the difference for calculating ceiling voltage and minimum voltage meets equilibrium condition, if symbol
Equilibrium condition is closed, controller turns off the sequence of all single channel relays, record ceiling voltage and minimum voltage battery by signal
Number, the two channel relay of the cell connection of ceiling voltage and minimum voltage is opened by control signal, in balancing procedure
Controller, by calculating, judges whether that equilibrium terminates by reading each battery voltage data that battery status detection unit is sent,
If the difference for calculating ceiling voltage and minimum voltage does not meet equilibrium condition, controller control two channel relay shut-off is single
Passage relay is connected.
Preferably, controller is right by reading the voltage data of every batteries that battery status detection unit is sended over
It is numbered per batteries, by quick sort, the voltage to all cells is ranked up, obtains the highest electricity of sequence
Pressure value and the minimum magnitude of voltage that sorts, calculate the voltage difference of ceiling voltage and minimum voltage, when voltage difference reaches the threshold values of setting,
Controller obtains the numbering of the numbering battery corresponding with minimum voltage of ceiling voltage correspondence battery, by gating, ceiling voltage pair
The relay of the relay battery corresponding with minimum voltage of battery is answered, makes the positive pole of the battery of ceiling voltage and the electricity of minimum voltage
The positive pole in pond links together, and the negative pole of the battery of ceiling voltage and the negative pole of minimum voltage is linked together, and realizes highest
The battery of voltage charges to minimum voltage battery.
A kind of equalization methods of battery equalization system are comprised the following steps：Whether controller is by obtaining user power utilization system
Off signal, determines that user power utilization system has been switched off, and when need not temporarily use the energy content of battery, controller is closed by I/O signal
Break all single channel relays；Controller obtains battery voltage data by battery status detection unit, opens electricity in battery pack
The two channel relay of pressure highest cell positive and negative terminal connection, it is minimum that controller opens voltage in battery pack by I/O signal
Cell positive and negative terminal connection two channel relay, realize the cell of ceiling voltage toward the cell of minimum voltage
Energy transfer.
Beneficial effects of the present invention are：
The controller of battery equalization system of the invention by reading custom system off signal, when controller read user system
System has shut down, and controller can read the voltage data that battery status detection unit is sended over, and voltage data is analyzed, when
The difference of battery ceiling voltage and minimum voltage reaches equalization request, and controller controls all single channel relays to be in disconnection shape
State, prevents battery short circuit when equilibrium test, afterwards controller control from connecting the battery of ceiling voltage and minimum voltage
Two channel relay, allow ceiling voltage and minimum voltage battery positive pole and positive pole link together, negative pole and negative pole also connect
It is connected together, forms loop, voltage battery high transfers energy to the low battery of voltage.
In energy transfer process, controller reads the voltage data that battery status detection unit is sended over by real-time,
Whether the cell voltage calculated in real time in equilibrium completes equilibrium, if completing balanced, opens single channel relay.
After user power utilization system is closed, boosting battery starts powers to controller and battery status detection unit, makes control
Device and battery status detection unit remain to normal work during single channel relay disconnects.
Battery equalization system of the invention in balancing procedure in addition to relay contacts resistance and conductor resistance, without other
Loss.Energy conversion efficiency is further improved, with suitable for high-energy series battery application scenario in a balanced way.
Battery equalization system of the invention is directly in parallel equivalent to two batteries in balancing procedure.Except wire and relay
It is lost without other outside the loss of device contact resistance.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is a kind of structural principle block diagram of battery equalization system one embodiment of the invention；
Fig. 2 is the workflow diagram of the equalization methods of the battery equalization system shown in Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of battery equalization system, the battery equalization system is including one by n section cell series connection
Battery pack, n two channel relay, n single channel relay, a controller, a boosting battery and one
Battery status monitoring unit, wherein n are the positive integer more than or equal to 2；It is adjacent two section cell between with a single channel after
Electrical equipment is electrically connected, and wherein one end of the battery pack electrically connects with a single channel relay；The battery status detection unit
Electrically connected with each section cell respectively, sent to the control for the voltage of measurement cell in real time and by voltage data
Device processed；The positive and negative terminal of each batteries corresponds to be connected with one end of the two of two channel relay passages respectively, connection electricity
The passage of the positive pole in pond is first passage, and connection GND is second channel, and the first of each two channel relay leads to
Another pin in road is connected with each other, and another pin of the second channel of each two channel relay is connected with each other；It is described
Controller is electric with each two channel relay, each single channel relay, battery status monitoring unit and auxiliary respectively
Pond electrically connects, and the voltage data that the controller is used to receive the battery status detection unit transmission is analyzed and controls list
The either off or on of passage relay and two channel relay, the boosting battery is also electric with the battery status monitoring unit
Connection.
The two ends of the battery pack are used to connect user power utilization system or batter-charghing system.As shown in figure 1, the battery
The two ends of group are connected with user power utilization system.
As shown in figure 1, a single channel relay is electrically connected with nearly positive pole one end of battery pack.In electric discharge, battery pack
It is connected with user power utilization system, a single channel relay is connected between the positive pole of battery pack and user power utilization system.Connection
Single channel relay between two neighboring cell is located at the binary channels being connected between two neighboring cell
Between two pins of relay.The controller is electrically connected with user power utilization system.
Another embodiment, a single channel relay is electrically connected with nearly negative pole one end of battery pack.In electric discharge, electricity
Pond group is connected with user power utilization system, and a single channel relay is connected between the positive pole of battery pack and user power utilization system.
N two channel relay is respectively two channel relay S1, two channel relay S2 ... two channel relay Sn,
N cell is respectively battery B1, battery B2 ... batteries Bn, n single channel relay be respectively single channel relay J1,
Single channel relay J2 ... single channel relays Jn.
One pin of the first passage of two channel relay S1 is connected to the positive pole of battery B1, two channel relay S1's
Second channel is connected to the negative pole of battery B1, the first passage of two channel relay S2 and is connected to the positive pole of battery B2, binary channels
The second channel of relay S2 be connected to battery B2 negative pole ..., the first passage of two channel relay Sn be connected to battery
The positive pole of Bn, the second channel of two channel relay Sn is connected to battery Bn negative poles；The first passage of two channel relay S1 is another
An outer pin and two channel relay S2, two channel relay S3 ... two channel relays Sn first passage another
Pin links together.Another pin and two channel relay S2, binary channels of the second channel of two channel relay S1
The second channel of relay S3 ... two channel relays Sn another pin links together.
Two pins of single channel relay J2 connect the negative pole of battery B1 and the positive pole of battery B2, single channel relay respectively
Two pins of J3 connect respectively the negative pole of battery B2 and the positive pole of battery B3 ..., two pins point of single channel relay Jn
Not Lian Jie battery Bn-1 negative pole and the positive pole of battery Bn.Single channel relay J1 connexons are in battery B1 and user power utilization system
Between or be connected between battery Bn and user power utilization system.
As shown in Figure 1, 2, the equalization methods one of equalizing system：Controller（02）Receive battery status detection unit（03）
The battery voltage data sent, by calculating, whether the difference for calculating ceiling voltage and minimum voltage meets equilibrium condition, if
Meet equilibrium condition, controller（02）All single channel relays are turned off by signal（J1、J2、J3...Jn）, record highest electricity
The sequence number of pressure and minimum voltage battery, the bilateral of the cell connection of ceiling voltage and minimum voltage is opened by control signal
Road relay（S1、S2、S3….Sn）, controller in balancing procedure（02）By reading battery status detection unit（03）Send
Each battery（B1、B2、B3…Bn）Voltage data, by calculating, judges whether that equilibrium terminates, if calculating ceiling voltage and most
The difference of low-voltage does not meet equilibrium condition, controller control two channel relay shut-off, single channel relay（J1、J2、
J3...Jn）Connect.Wherein, controller（02）By the voltage for reading every batteries that battery status detection unit is sended over
Every batteries are numbered by data, and by quick sort, the voltage to all cells is ranked up, and obtain sequence
Maximum voltage value and the minimum magnitude of voltage of sequence, calculate the voltage difference of ceiling voltage and minimum voltage, set when voltage difference reaches
Fixed threshold values, controller（02）The numbering of the numbering battery corresponding with minimum voltage of ceiling voltage correspondence battery is obtained, by choosing
Logical, the relay of the relay battery corresponding with minimum voltage of ceiling voltage correspondence battery makes the positive pole of the battery of ceiling voltage
Positive pole with the battery of minimum voltage links together, and is connected to the negative pole of the battery of ceiling voltage and the negative pole of minimum voltage
Together, realize that the battery of ceiling voltage charges to minimum voltage battery.
The equalization methods two of equalizing system：Controller（02）Obtain user power utilization system whether off signal, determine user
Electricity system has been switched off, when need not temporarily use the energy content of battery, controller（02）All single channels are turned off by I/O signal
Relay（J1、J2、J3...Jn）；Controller（02）By battery status detection unit（03）Battery voltage data is obtained, it is open-minded
Battery pack（06）The two channel relay of interior voltage highest cell positive and negative terminal connection, controller（02）Opened by I/O signal
Logical battery pack（06）The two channel relay of the minimum cell positive and negative terminal connection of interior voltage, realizes the monomer electricity of ceiling voltage
Energy transfer of the pond toward the cell of minimum voltage.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (9)
1. a kind of battery equalization system, it is characterised in that：The battery equalization system includes one by n section cell series connection
Into battery pack, n two channel relay, n single channel relay, controller, a boosting battery and an electricity
Pond Condition Monitoring Unit, wherein n are the positive integer more than or equal to 2；With a single channel relay between adjacent two sections cell
Device is electrically connected, and wherein one end of the battery pack electrically connects with a single channel relay；The battery status detection unit point
Do not electrically connected with each section cell, sent to the control for the voltage of measurement cell in real time and by voltage data
Device；The positive and negative terminal of each batteries corresponds to be connected with one end of the two of two channel relay passages respectively, connects battery
The passage of positive pole be first passage, connection GND is second channel, the first passage of each two channel relay
Another pin be connected with each other, another pin of the second channel of each two channel relay is connected with each other；The control
Device processed respectively with each two channel relay, each single channel relay, battery status monitoring unit and boosting battery
Electrical connection, the voltage data that the controller is used to receive the battery status detection unit transmission is analyzed and controls single-pass
The either off or on of road relay and two channel relay, the boosting battery is also electrically connected with the battery status monitoring unit
Connect.
2. battery equalization system as claimed in claim 1, it is characterised in that：One single channel relay and battery pack it is near just
Pole one end electrically connects.
3. battery equalization system as claimed in claim 1, it is characterised in that：One single channel relay is near negative with battery pack
Pole one end electrically connects.
4. battery equalization system as claimed in claim 1, it is characterised in that：It is connected to the list between two neighboring cell
Passage relay is located at and is connected between two pins of the two channel relay between two neighboring cell.
5. battery equalization system as claimed in claim 1, it is characterised in that：The two ends of the battery pack are used to connect user's use
Electric system or batter-charghing system.
6. battery equalization system as claimed in claim 5, it is characterised in that：The controller is electrically connected with user power utilization system
Connect.
7. equalization methods of a kind of battery equalization system as described in claim 1-6 is any, it is characterised in that including following step
Suddenly：Controller receives the battery voltage data that battery status detection unit is sent, and by calculating, calculates ceiling voltage and most
Whether the difference of low-voltage meets equilibrium condition, if meeting equilibrium condition, controller turns off all single channel relays by signal
The sequence number of device, record ceiling voltage and minimum voltage battery, the monomer of ceiling voltage and minimum voltage is opened by control signal
The two channel relay of battery connection, controller is by reading each battery electricity that battery status detection unit is sent in balancing procedure
Pressure data, by calculating, judge whether that equilibrium terminates, if the difference for calculating ceiling voltage and minimum voltage does not meet balanced bar
Part, controller control two channel relay shut-off, single channel relay is connected.
8. equalization methods of battery equalization system as claimed in claim 7, it is characterised in that：Controller is by reading battery shape
Every batteries are numbered by the voltage data of every batteries that state detection unit is sended over, by quick sort, to institute
The voltage for having cell is ranked up, and obtains the maximum voltage value and the minimum magnitude of voltage of sequence of sequence, calculates ceiling voltage
With the voltage difference of minimum voltage, when voltage difference reaches the threshold values of setting, controller obtain ceiling voltage correspondence battery numbering and
The numbering of minimum voltage correspondence battery, by gating, the relay battery corresponding with minimum voltage of ceiling voltage correspondence battery
Relay, makes the positive pole of the battery of ceiling voltage and the positive pole of the battery of minimum voltage link together.
9. a kind of equalization methods of battery equalization system as claimed in claim 6, it is characterised in that comprise the following steps：Control
Device processed obtain user power utilization system whether off signal, determine that user power utilization system has been switched off, need not temporarily use battery
During energy, controller turns off all single channel relays by I/O signal；Controller obtains electricity by battery status detection unit
Cell voltage data, open the two channel relay of voltage highest cell positive and negative terminal connection in battery pack, and controller passes through
I/O signal opens the two channel relay of the minimum cell positive and negative terminal connection of voltage in battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158101.5A CN106877440B (en) | 2017-03-16 | 2017-03-16 | Battery equalization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158101.5A CN106877440B (en) | 2017-03-16 | 2017-03-16 | Battery equalization system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106877440A true CN106877440A (en) | 2017-06-20 |
| CN106877440B CN106877440B (en) | 2023-06-16 |
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| CN201710158101.5A Active CN106877440B (en) | 2017-03-16 | 2017-03-16 | Battery equalization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196388A (en) * | 2017-07-27 | 2017-09-22 | 重庆日拓能源科技有限公司 | Batteries in parallel connection group voltage balance management system, batteries in parallel connection group and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101471460A (en) * | 2007-12-28 | 2009-07-01 | 深圳市比克电池有限公司 | Method for equilibrium control of battery set and battery set charging method |
| CN101741122A (en) * | 2010-01-15 | 2010-06-16 | 中国科学院电工研究所 | Series battery equalizing equipment |
| CN103501025A (en) * | 2013-09-12 | 2014-01-08 | 中国科学院电工研究所 | Active equalization system of battery pack |
| CN206685918U (en) * | 2017-03-16 | 2017-11-28 | 广州汉广环保科技有限公司 | A kind of battery equalization system |
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2017
- 2017-03-16 CN CN201710158101.5A patent/CN106877440B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101471460A (en) * | 2007-12-28 | 2009-07-01 | 深圳市比克电池有限公司 | Method for equilibrium control of battery set and battery set charging method |
| CN101741122A (en) * | 2010-01-15 | 2010-06-16 | 中国科学院电工研究所 | Series battery equalizing equipment |
| CN103501025A (en) * | 2013-09-12 | 2014-01-08 | 中国科学院电工研究所 | Active equalization system of battery pack |
| CN206685918U (en) * | 2017-03-16 | 2017-11-28 | 广州汉广环保科技有限公司 | A kind of battery equalization system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107196388A (en) * | 2017-07-27 | 2017-09-22 | 重庆日拓能源科技有限公司 | Batteries in parallel connection group voltage balance management system, batteries in parallel connection group and its control method |
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| Publication number | Publication date |
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| CN106877440B (en) | 2023-06-16 |
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Effective date of registration: 20230725 Address after: Room 402, No. 6, Lane 67, Xiying South Road, Pudong New Area, Shanghai, 200000 Patentee after: Wang Qi Patentee after: Liao Yuan Address before: Room 105-202, No. 230, Shinan Road Section, Huangge Town, Nansha District, Guangzhou City, Guangdong Province, 510000 (self-made Hardware Department of Building 2) Patentee before: Guangzhou Han Guang Technology Co.,Ltd. |
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