CN105048578B - It is a kind of to solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge - Google Patents
It is a kind of to solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge Download PDFInfo
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- CN105048578B CN105048578B CN201510482119.1A CN201510482119A CN105048578B CN 105048578 B CN105048578 B CN 105048578B CN 201510482119 A CN201510482119 A CN 201510482119A CN 105048578 B CN105048578 B CN 105048578B
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- 239000004065 semiconductor Substances 0.000 claims abstract description 100
- 238000007600 charging Methods 0.000 claims abstract description 63
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
Classifications
-
- 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
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
- H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- H02J7/0026—
-
- 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
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
- H02J7/00302—Overcharge protection
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
Solves the problems, such as between multiple battery packs the mutually circuit of discharge and recharge the invention discloses a kind of, including multiple battery modules in parallel, described battery modules use positive and negative both threads input and output；Described battery modules include battery, charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module, temperature sampling circuit, temperature detect switch (TDS) module and control module；The voltage sample input of described control module is connected with battery, the current sample input of control module is connected with current detection module, first metal-oxide-semiconductor control output end of control module is connected with charging metal-oxide-semiconductor, and the second metal-oxide-semiconductor control output end of control module is connected with electric discharge metal-oxide-semiconductor.The present invention is by controlling charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor opening and closing to solve the problems, such as that the battery modules of multiple different type voltage grades are parallel with one another and can cause mutual discharge and recharge；And realize in all battery modules in a bus bar circuit in parallel, each battery modules realize the total recycle process of discharge and recharge.
Description
Technical field
Solves the problems, such as between multiple battery packs the mutually circuit of discharge and recharge the present invention relates to a kind of.
Background technology
With flourishing for electronic technology, medium-sized, large-sized battery pack dosage is increasing.And in these battery packs
Production, test are with that during use, will use many charging and discharging processes.
Existing charging equipment or discharge equipment have the following disadvantages：
1st, battery pack needs to use the battery modules of same model to carry out battery pack requirement used in parallel, i.e., in parallel each
Cell voltage is identical, it is impossible to which complete different type, the battery modules of voltage class are carried out into input and output in parallel.Because in electricity
Chi Zuzhong, what the difference between monomer was constantly present, by taking capacity as an example, its otherness never tends to disappear, but progressively dislikes
Change.Same electric current is flowed through in battery pack, comparatively, the big person of capacity is always at shallow fill of low current and shallow put, tends to capacity and decline
Slow down slow, life, and the small person of capacity is always at high current super-charge super-discharge, tends to capacity attenuation quickening, the lost of life, two
Performance parameter difference is increasing between person, forms positive feedback characteristic, low capacity premature failure, organizes the lost of life.
2nd, the discharge and recharge step of battery pack is unable to reach the function of complete alternation so that the using trouble of battery pack.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of simple and easy, easy to operation, highly reliable
Solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge, asking for complete alternation discharge and recharge can not be realized by solving prior art
Topic.
The purpose of the present invention is achieved through the following technical solutions：One kind solves mutual charge and discharge between multiple battery packs
The circuit of electric problem, including multiple battery modules in parallel, described battery modules use positive and negative both threads input and output；It is described
Battery modules include battery, charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module, temperature sampling circuit, temp control switch
And control module, described charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module, temp control switch and battery are in series,
Described temperature sampling circuit samples to the temperature of battery modules；The voltage sample input of described control module and electricity
Pond connects, and the current sample input of control module is connected with current detection module, the temperature sampling input of control module and
Temperature sampling circuit is connected, and the first metal-oxide-semiconductor control output end of control module is connected with charging metal-oxide-semiconductor, and the second of control module
Metal-oxide-semiconductor control output end is connected with electric discharge metal-oxide-semiconductor, and the temperature detect switch (TDS) output end of control module is connected with temp control switch；
Wherein, in charging process, when control module detects the charging current by current detection module, control mould
Electric discharge metal-oxide-semiconductor is placed in opening by block, and when control module detects that the voltage of battery reaches overdischarge thresholding, control module will
Charging metal-oxide-semiconductor is placed in off；In discharge process, when control module detects the electric discharge electricity by current detection module
Stream, the control module metal-oxide-semiconductor that will charge is placed in opening, when control module detects that the voltage of battery reaches overdischarge thresholding,
Electric discharge metal-oxide-semiconductor is placed in off by control module.
Described current detection module includes current sense resistor RSC.
Described battery modules are identical or different type voltage class battery modules.
Described temperature sampling circuit is arranged in the battery core of battery.
The beneficial effects of the invention are as follows：
（1）The present invention passes through on the basis of not overcharging and only putting and controls charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor opening and closing to solve
Multiple battery modules the problem of causing mutual discharge and recharge parallel with one another, the even electricity of different type voltage grade completely
The parallel connection of pond module.
（2）The present invention realize all battery modules in a bus bar circuit in parallel, output it is only positive and negative
In the case of both threads, the total recycle process of charge and discharge can be achieved in each battery modules：After the completion of charge step
The open and-shut mode of charging metal-oxide-semiconductor and the metal-oxide-semiconductor that discharges is identical with the original state of discharge step, similarly after the completion of discharge step
The open and-shut mode of charging metal-oxide-semiconductor and the metal-oxide-semiconductor that discharges is identical with the original state of charge step.
（3）Present invention additionally comprises the temperature sampling circuit and temp control switch for protecting battery modules, in battery mould
The temperature of group disconnects the battery modules when higher, has security.
（4）The present invention is simple and easy, easy to operation, highly reliable.
Brief description of the drawings
Fig. 1 is block diagram of the present invention；
Fig. 2 is battery modules circuit diagram；
Fig. 3 completes equivalent circuit diagram for electric discharge；
Fig. 4 is charging complete equivalent circuit diagram；
Fig. 5 is circulation discharge flow path figure.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：As shown in figure 1, a kind of solve multiple batteries
The circuit of mutual discharge and recharge problem between group, including multiple battery modules in parallel, described battery modules use positive and negative two
Line input and output；As shown in Fig. 2 described battery modules include battery, charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module,
Temperature sampling circuit, temp control switch and control module, described charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module, temperature
Degree controlling switch and battery are in series, and described temperature sampling circuit samples to the temperature of battery modules；Described control
The voltage sample input of molding block is connected with battery, and the current sample input of control module is connected with current detection module,
The temperature sampling input of control module is connected with temperature sampling circuit, and the first metal-oxide-semiconductor control output end of control module is with filling
Electric metal-oxide-semiconductor connection, the second metal-oxide-semiconductor control output end of control module are connected with electric discharge metal-oxide-semiconductor, and the temperature detect switch (TDS) of control module is defeated
Go out end to be connected with temp control switch；
Wherein, in charging process, when control module detects the charging current by current detection module, control mould
Electric discharge metal-oxide-semiconductor is placed in opening by block, and when control module detects that the voltage of battery reaches overdischarge thresholding, control module will
Charging metal-oxide-semiconductor is placed in off；In discharge process, when control module detects the electric discharge electricity by current detection module
Stream, the control module metal-oxide-semiconductor that will charge is placed in opening, when control module detects that the voltage of battery reaches overdischarge thresholding,
Electric discharge metal-oxide-semiconductor is placed in off by control module.
Described current detection module includes current sense resistor RSC.
Described battery modules are identical or different type voltage class battery modules.
Described temperature sampling circuit is arranged in the battery core of battery.
Concrete implementation mode comprises the following steps：
A, discharge：
S11：Before discharge process, all charging metal-oxide-semiconductors are closed, and all electric discharge metal-oxide-semiconductors are in and opened
State is opened, all battery modules pass through the diodes in parallel of the course of discharge allowed inside the metal-oxide-semiconductor that charges；
S12：Start to discharge, due to the relation of voltage competition, voltage highest battery modules are discharged at first；Control mould
Block also samples to being sampled by the electric current of current detection module to the voltage of battery：
（1）When control module detects the discharge current by current detection module, control module puts charging metal-oxide-semiconductor
In opening, will the battery modules add sequence in parallel of discharging, the metal-oxide-semiconductor that avoids charging bears discharge current；Until all
Charging metal-oxide-semiconductor be in opening, realize all battery modules in parallel electric discharges；
（2）When control module detects that the voltage of battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in pass by control module
Closed state, electric discharge metal-oxide-semiconductor now play not overdischarge；Until all electric discharge metal-oxide-semiconductors are closed, institute is represented
Some battery modules are discharged completion, and equivalent circuit diagram is as shown in Figure 3.
B, charge：
S21：Before charging process, all charging metal-oxide-semiconductors are in opening, and all electric discharge metal-oxide-semiconductors, which are in, to close
Closed state, all battery modules are all together in parallel by the diode in the charging direction allowed inside the metal-oxide-semiconductor that discharges；
S22：Start to charge up, due to the relation of voltage competition, charging current initially enters the minimum battery modules of voltage；Control
Molding block also samples to being sampled by the electric current of current detection module to the voltage of battery：
（1）When control module detects the charging current by current detection module, control module puts electric discharge metal-oxide-semiconductor
, will battery modules addition charging sequence in parallel in opening；Until all electric discharge metal-oxide-semiconductors are in opening,
Realize all battery modules in parallel chargings；
（2）When control module detects that the voltage of battery reaches overcharge thresholding, charging metal-oxide-semiconductor is placed in pass by control module
Closed state, charging metal-oxide-semiconductor now play not overcharge；Until all charging metal-oxide-semiconductors are closed, institute is represented
Some battery modules bulk charges are completed, and equivalent circuit diagram is as shown in Figure 4.
After the completion of electric discharge, charging metal-oxide-semiconductor is in opening, and electric discharge metal-oxide-semiconductor is closed, charges and walk with battery
Charging metal-oxide-semiconductor required for rapid is identical with the original state for the metal-oxide-semiconductor that discharges.
Similarly, after charging complete, electric discharge metal-oxide-semiconductor is in opening, and charging metal-oxide-semiconductor is closed, with battery
Charging metal-oxide-semiconductor required for discharge step is identical with the original state for the metal-oxide-semiconductor that discharges.
Therefore discharge and recharge complete alternation can be realized, as shown in Figure 5.
During charging and discharging, for the temperature of some control module once higher, control module controls temperature control
Switch off, the battery modules are protected.
Claims (4)
1. a kind of solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge, it is characterised in that：Including multiple electricity in parallel
Pond module, described battery modules use positive and negative both threads input and output；Described battery modules include battery, charging metal-oxide-semiconductor,
Electric discharge metal-oxide-semiconductor, current detection module, temperature sampling circuit, temp control switch and control module, described charging metal-oxide-semiconductor, put
Electric metal-oxide-semiconductor, current detection module, temp control switch and battery are in series, and described temperature sampling circuit is to battery modules
Temperature sampled；The voltage sample input of described control module is connected with battery, and the current sample of control module is defeated
Enter end to be connected with current detection module, the temperature sampling input of control module is connected with temperature sampling circuit, control module
First metal-oxide-semiconductor control output end is connected with charging metal-oxide-semiconductor, and the second metal-oxide-semiconductor control output end and the electric discharge metal-oxide-semiconductor of control module connect
Connect, the temperature detect switch (TDS) output end of control module is connected with temp control switch；
Wherein, in charging process, when control module detects the charging current by current detection module, control module will
Electric discharge metal-oxide-semiconductor is placed in opening, and when control module detects that the voltage of battery reaches overcharge thresholding, control module will charge
Metal-oxide-semiconductor is placed in off；In discharge process, when control module detects the discharge current by current detection module,
The control module metal-oxide-semiconductor that will charge is placed in opening, when control module detects that the voltage of battery reaches overdischarge thresholding, control
Electric discharge metal-oxide-semiconductor is placed in off by module；
A, discharge：
S11：Before discharge process, all charging metal-oxide-semiconductors are closed, and all electric discharge metal-oxide-semiconductors are in opening state
State, all battery modules pass through the diodes in parallel of the course of discharge allowed inside the metal-oxide-semiconductor that charges；
S12：Start to discharge, due to the relation of voltage competition, voltage highest battery modules are discharged at first；Control module pair
Sampled by the electric current of current detection module, also the voltage of battery is sampled：
（1）When control module detects the discharge current by current detection module, charging metal-oxide-semiconductor is placed in out by control module
Open state, will the battery modules add the sequence in parallel of discharging, the metal-oxide-semiconductor that avoids charging bears discharge current；Until all fill
Electric metal-oxide-semiconductor is in opening, realizes all battery modules in parallel electric discharges；
（2）When control module detects that the voltage of battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in closing shape by control module
State, electric discharge metal-oxide-semiconductor now play not overdischarge；Until all electric discharge metal-oxide-semiconductors are closed, represent all
Battery modules are discharged completion；
B, charge：
S21：Before charging process, all charging metal-oxide-semiconductors are in opening, and all electric discharge metal-oxide-semiconductors, which are in, closes shape
State, all battery modules are all together in parallel by the diode in the charging direction allowed inside the metal-oxide-semiconductor that discharges；
S22：Start to charge up, due to the relation of voltage competition, charging current initially enters the minimum battery modules of voltage；Control mould
Block also samples to being sampled by the electric current of current detection module to the voltage of battery：
（1）When control module detects the charging current by current detection module, electric discharge metal-oxide-semiconductor is placed in out by control module
State is opened, will battery modules addition charging sequence in parallel；Until all electric discharge metal-oxide-semiconductors are in opening, realize
All battery modules in parallel chargings；
（2）When control module detects that the voltage of battery reaches overcharge thresholding, charging metal-oxide-semiconductor is placed in closing shape by control module
State, charging metal-oxide-semiconductor now play not overcharge；Until all charging metal-oxide-semiconductors are closed, represent all
Battery modules bulk charge is completed；
After the completion of electric discharge, charging metal-oxide-semiconductor is in opening, and electric discharge metal-oxide-semiconductor is closed, with charge battery step institute
The charging metal-oxide-semiconductor needed is identical with the original state for the metal-oxide-semiconductor that discharges；
Similarly, after charging complete, electric discharge metal-oxide-semiconductor is in opening, and charging metal-oxide-semiconductor is closed, with battery discharge
Charging metal-oxide-semiconductor required for step is identical with the original state for the metal-oxide-semiconductor that discharges.
A kind of solve the problems, such as that mutually the circuit of discharge and recharge, its feature exist between multiple battery packs 2. according to claim 1
In：Described current detection module includes current sense resistor RSC.
A kind of solve the problems, such as that mutually the circuit of discharge and recharge, its feature exist between multiple battery packs 3. according to claim 1
In：Described battery modules are identical or different type voltage class battery modules.
A kind of solve the problems, such as that mutually the circuit of discharge and recharge, its feature exist between multiple battery packs 4. according to claim 1
In：Described temperature sampling circuit is arranged in the battery core of battery.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710799991.8A CN107706963A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
| CN201710800001.8A CN107658919A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
| CN201510482119.1A CN105048578B (en) | 2015-08-03 | 2015-08-03 | It is a kind of to solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482119.1A CN105048578B (en) | 2015-08-03 | 2015-08-03 | It is a kind of to solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710799991.8A Division CN107706963A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
| CN201710800001.8A Division CN107658919A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105048578A CN105048578A (en) | 2015-11-11 |
| CN105048578B true CN105048578B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510482119.1A Active CN105048578B (en) | 2015-08-03 | 2015-08-03 | It is a kind of to solve the problems, such as between multiple battery packs the mutually circuit of discharge and recharge |
| CN201710799991.8A Withdrawn CN107706963A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
| CN201710800001.8A Pending CN107658919A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710799991.8A Withdrawn CN107706963A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
| CN201710800001.8A Pending CN107658919A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113690982B (en) * | 2021-08-26 | 2024-05-28 | 成都振中电气集团有限公司 | Inter-cluster voltage balancing device based on half-bridge Buck principle |
| CN113489117A (en) * | 2021-09-06 | 2021-10-08 | 成都宇能通能源开发有限公司 | Battery management system with hybrid switching devices capable of being expanded in parallel |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3848574B2 (en) * | 2001-02-20 | 2006-11-22 | セイコーインスツル株式会社 | Charge / discharge control device |
| CN102480142B (en) * | 2010-11-26 | 2015-07-22 | 比亚迪股份有限公司 | Battery pack parallel charging device and parallel charging method thereof |
| CN102761149B (en) * | 2011-04-29 | 2014-07-30 | 新普科技股份有限公司 | Battery balancing circuit and method and battery module activation method |
| JP2014003759A (en) * | 2012-06-15 | 2014-01-09 | Toyota Motor Corp | Power source control device |
| JP6026226B2 (en) * | 2012-10-30 | 2016-11-16 | 株式会社日立情報通信エンジニアリング | Power storage system and power supply system |
| WO2014156041A1 (en) * | 2013-03-29 | 2014-10-02 | 三洋電機株式会社 | Power supply system and charging and discharging control method for power supply system |
| CN104201726A (en) * | 2014-07-31 | 2014-12-10 | 华为技术有限公司 | UPS (Uninterrupted Power Supply) power supply system and current converting method thereof |
| CN204179729U (en) * | 2014-11-25 | 2015-02-25 | 中航锂电（洛阳）有限公司 | A kind of communication discrete lithium battery back-up source |
-
2015
- 2015-08-03 CN CN201510482119.1A patent/CN105048578B/en active Active
- 2015-08-03 CN CN201710799991.8A patent/CN107706963A/en not_active Withdrawn
- 2015-08-03 CN CN201710800001.8A patent/CN107658919A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN107658919A (en) | 2018-02-02 |
| CN107706963A (en) | 2018-02-16 |
| CN105048578A (en) | 2015-11-11 |
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Effective date of registration: 20200610 Address after: 835000 E Factory Building of Huining Road 999 Small and Medium-sized Enterprise Business Incubation Park, Holgos Economic Development Zone, Yili Kazakh Autonomous Prefecture, Xinjiang Uygur Autonomous Region (1st floor and interlayer) Patentee after: Xinjiang SMEI new energy Co.,Ltd. Address before: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610017 5 block A No. 2 public platform Secretary A-301 Patentee before: SICHUAN NEW ENERGY EXCHANGE TECHNOLOGY Co.,Ltd. |