CN105048578A - Circuit for solving mutual charging and discharging problems among a plurality of battery modules - Google Patents
Circuit for solving mutual charging and discharging problems among a plurality of battery modules Download PDFInfo
- Publication number
- CN105048578A CN105048578A CN201510482119.1A CN201510482119A CN105048578A CN 105048578 A CN105048578 A CN 105048578A CN 201510482119 A CN201510482119 A CN 201510482119A CN 105048578 A CN105048578 A CN 105048578A
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- control module
- oxide
- semiconductor
- battery
- metal
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- 238000007600 charging Methods 0.000 title claims abstract description 57
- 238000007599 discharging Methods 0.000 title claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims abstract description 68
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000005070 sampling Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 13
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect 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
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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
- H02J7/00032—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
- 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
- H01M10/425—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
Abstract
The invention discloses a circuit for solving mutual charging and discharging problems among a plurality of battery modules. The circuit comprises a plurality of parallel battery modules; the battery modules input and output by adopting a positive line and a negative line; each battery module comprises a battery, a charging MOS (Metal Oxide Semiconductor) tube, a discharging MOS tube, a current detection module, a temperature sampling circuit, a temperature control switch module and a control module; the voltage sampling input end of the control module is connected with the battery; the current sampling input end of the control module is connected with the current detection module; the control output end of a first MOS tube of the control module is connected with the charging MOS tube; and the control output end of a second MOS tube of the control module is connected with the discharging MOS tube. According to the invention, the mutual charging and discharging problems due to the fact that the plurality of battery modules of different voltage grades are mutually connected in parallel by controlling the charging MOS tube and the discharging MOS tube can be solved; furthermore, the fact that all the battery modules are in a parallel bus loop is realized; and the full-cycle charging and discharging process of each battery module is realized.
Description
Technical field
The present invention relates to a kind of circuit solving mutual discharge and recharge problem between multiple battery pack.
Background technology
Along with the consumption that is flourish, medium-sized, large-sized battery pack of electronic technology is increasing.And these battery pack production, test and use procedure in, many charging and discharging processes be used.
There is following shortcoming in existing charging device or discharge equipment:
1, battery pack needs to use the battery modules of same model to carry out parallel connection use, and battery pack namely in parallel requires that each cell voltage is identical, the battery modules of complete different type, electric pressure can not be carried out input and output in parallel.Because in battery pack, the difference between monomer always exists, and for capacity, its otherness is tending towards disappearing never, but progressively worsen.Same electric current is flow through in battery pack, comparatively speaking, the large person of capacity be always in small area analysis shallow fill shallowly to put, be tending towards capacity attenuation slowly, life, and the little person of capacity is always in big current super-charge super-discharge, is tending towards capacity attenuation quickening, the lost of life, performance parameter difference is increasing between the two, form positive feedback characteristic, low capacity premature failure, the group lost of life.
2, the discharge and recharge step of battery pack cannot reach the function of complete alternation, and the use of battery pack is bothered.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the circuit of mutual discharge and recharge problem between the multiple battery pack of a kind of simple, that convenient operation, reliability are strong solution is provided, solve the problem that prior art cannot realize complete alternation discharge and recharge.
The object of the invention is to be achieved through the following technical solutions: a kind of circuit solving mutual discharge and recharge problem between multiple battery pack, comprises the battery modules of multiple parallel connection, described battery modules adopts positive and negative two line input and output; Described battery modules comprises 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 serial battery form, and the temperature of described temperature sampling circuit to battery modules is sampled; 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, the temperature sampling input of control module is connected with temperature sampling circuit, first metal-oxide-semiconductor control output end of control module is connected with charging metal-oxide-semiconductor, second metal-oxide-semiconductor control output end of control module is connected with electric discharge metal-oxide-semiconductor, and the temperature detect switch (TDS) output of control module is connected with temp control switch;
Wherein, in charging process, when control module detects the charging current through current detection module, electric discharge metal-oxide-semiconductor is placed in opening by control module, when control module detects that the voltage of battery reaches overdischarge thresholding, charging metal-oxide-semiconductor is placed in closed condition by control module; In discharge process, when control module detects the discharging current through current detection module, charging metal-oxide-semiconductor is placed in opening by control module, and when control module detects that the voltage of battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in closed condition by control module.
Described current detection module comprises current sense resistor RSC.
Described battery modules is the battery modules of identical or dissimilar electric pressure.
Described temperature sampling circuit is arranged in the battery core of battery.
The invention has the beneficial effects as follows:
(1) the present invention is not overcharging on the basis of only putting, solve with the opening and closing of electric discharge metal-oxide-semiconductor the problem that the meeting parallel with one another of multiple battery modules causes mutual discharge and recharge by controlling charging metal-oxide-semiconductor, or even the parallel connection of the battery modules of complete different type voltage grade.
(2) present invention achieves when all battery modules all in a bus bar circuit in parallel, export only have positive and negative two lines, each battery modules all can realize the total recycle process of charge and discharge: the charging metal-oxide-semiconductor after charge step completes is identical with the initial condition of discharge step with the open and-shut mode of electric discharge metal-oxide-semiconductor, and the charging metal-oxide-semiconductor in like manner after discharge step completes is identical with the initial condition of charge step with the open and-shut mode of electric discharge metal-oxide-semiconductor.
(3) the present invention also comprises temperature sampling circuit for the protection of battery modules and temp control switch, disconnects this battery modules, have fail safe when the temperature of battery modules is higher.
(4) the present invention is simple, convenient operation, and reliability is strong.
Accompanying drawing explanation
Fig. 1 is block diagram of the present invention;
Fig. 2 is battery modules circuit diagram;
Fig. 3 is that electric discharge completes equivalent circuit diagram;
Fig. 4 is charging complete equivalent circuit diagram;
Fig. 5 is circulation discharge flow path figure.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail: as shown in Figure 1, a kind of circuit solving mutual discharge and recharge problem between multiple battery pack, comprises the battery modules of multiple parallel connection, and described battery modules adopts positive and negative two line input and output; As shown in Figure 2, described battery modules comprises 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 serial battery form, and the temperature of described temperature sampling circuit to battery modules is sampled; 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, the temperature sampling input of control module is connected with temperature sampling circuit, first metal-oxide-semiconductor control output end of control module is connected with charging metal-oxide-semiconductor, second metal-oxide-semiconductor control output end of control module is connected with electric discharge metal-oxide-semiconductor, and the temperature detect switch (TDS) output of control module is connected with temp control switch;
Wherein, in charging process, when control module detects the charging current through current detection module, electric discharge metal-oxide-semiconductor is placed in opening by control module, when control module detects that the voltage of battery reaches overdischarge thresholding, charging metal-oxide-semiconductor is placed in closed condition by control module; In discharge process, when control module detects the discharging current through current detection module, charging metal-oxide-semiconductor is placed in opening by control module, and when control module detects that the voltage of battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in closed condition by control module.
Described current detection module comprises current sense resistor RSC.
Described battery modules is the battery modules of identical or dissimilar electric pressure.
Described temperature sampling circuit is arranged in the battery core of battery.
Concrete implementation comprises the following steps:
A, electric discharge:
S11: before discharge process, all charging metal-oxide-semiconductors are in closed condition, and all electric discharge metal-oxide-semiconductors are in opening, and all battery modules are got up by the diodes in parallel of the course of discharge that charging metal-oxide-semiconductor inside allows;
S12: start electric discharge, due to the relation of voltage competition, the battery modules that voltage is the highest is discharged at first; Control module is sampled to the electric current through current detection module, also samples to the voltage of battery:
(1) when control module detects the discharging current through current detection module, charging metal-oxide-semiconductor is placed in opening by control module, adds electric discharge sequence in parallel by this battery modules, avoids charging metal-oxide-semiconductor to bear discharging current; Until all charging metal-oxide-semiconductors are all 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 closed condition by control module, and electric discharge metal-oxide-semiconductor now plays not overdischarge; Until all electric discharge metal-oxide-semiconductors are in closed condition, represent that all battery modules have all been discharged, equivalent circuit diagram as shown in Figure 3.
B, charging:
S21: before charging process, all charging metal-oxide-semiconductors are in opening, and all electric discharge metal-oxide-semiconductors are in closed condition, and all battery modules are all together in parallel by the diode in the charging direction that electric discharge metal-oxide-semiconductor inside allows;
S22: start charging, due to the relation of voltage competition, first charging current enters the minimum battery modules of voltage; Control module is sampled to the electric current through current detection module, also samples to the voltage of battery:
(1) when control module detects the charging current through current detection module, electric discharge metal-oxide-semiconductor is placed in opening by control module, adds charging sequence in parallel by this battery modules; Until all electric discharge metal-oxide-semiconductors are all 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 closed condition by control module, and charging metal-oxide-semiconductor now plays not overcharge; Until all charging metal-oxide-semiconductors are in closed condition, represent that all battery modules bulk charges complete, equivalent circuit diagram as shown in Figure 4.
After electric discharge completes, charging metal-oxide-semiconductor is in opening, and electric discharge metal-oxide-semiconductor is in closed condition, identical with the initial condition of the metal-oxide-semiconductor that discharges with the charging metal-oxide-semiconductor required for charge battery step.
In like manner, after charging complete, electric discharge metal-oxide-semiconductor is in opening, and charging metal-oxide-semiconductor is in closed condition, identical with the initial condition of the metal-oxide-semiconductor that discharges with the charging metal-oxide-semiconductor required for battery discharge step.
Therefore discharge and recharge complete alternation can be realized, as shown in Figure 5.
In the process of charging and discharging, certain controls the temperature of module once higher, and control module control temperature control switch disconnects, and protects this battery modules.
Claims (4)
1. solve a circuit for discharge and recharge problem mutually between multiple battery pack, it is characterized in that: the battery modules comprising multiple parallel connection, described battery modules adopts positive and negative two line input and output; Described battery modules comprises 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 serial battery form, and the temperature of described temperature sampling circuit to battery modules is sampled; 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, the temperature sampling input of control module is connected with temperature sampling circuit, first metal-oxide-semiconductor control output end of control module is connected with charging metal-oxide-semiconductor, second metal-oxide-semiconductor control output end of control module is connected with electric discharge metal-oxide-semiconductor, and the temperature detect switch (TDS) output of control module is connected with temp control switch;
Wherein, in charging process, when control module detects the charging current through current detection module, electric discharge metal-oxide-semiconductor is placed in opening by control module, when control module detects that the voltage of battery reaches overdischarge thresholding, charging metal-oxide-semiconductor is placed in closed condition by control module; In discharge process, when control module detects the discharging current through current detection module, charging metal-oxide-semiconductor is placed in opening by control module, and when control module detects that the voltage of battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in closed condition by control module.
2. a kind of circuit solving mutual discharge and recharge problem between multiple battery pack according to claim 1, is characterized in that: described current detection module comprises current sense resistor RSC.
3. a kind of circuit solving mutual discharge and recharge problem between multiple battery pack according to claim 1, is characterized in that: described battery modules is the battery modules of identical or dissimilar electric pressure.
4. a kind of circuit solving mutual discharge and recharge problem between multiple battery pack according to claim 1, is characterized in that: described temperature sampling circuit is arranged in the battery core of battery.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
| CN201710799991.8A CN107706963A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
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 true CN105048578A (en) | 2015-11-11 |
| CN105048578B CN105048578B (en) | 2017-12-01 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710800001.8A Pending CN107658919A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
| CN201710799991.8A Withdrawn CN107706963A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
| 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 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710800001.8A Pending CN107658919A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
| CN201710799991.8A Withdrawn CN107706963A (en) | 2015-08-03 | 2015-08-03 | A kind of battery pack parallel circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107658919A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690982A (en) * | 2021-08-26 | 2021-11-23 | 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1372364A (en) * | 2001-02-20 | 2002-10-02 | 精工电子有限公司 | Controller for electricity recharge/discharge |
| JP2014003759A (en) * | 2012-06-15 | 2014-01-09 | Toyota Motor Corp | Power source control device |
| CN103795104A (en) * | 2012-10-30 | 2014-05-14 | 株式会社日立信息通信工程 | Power storage system and power source system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP5615995B1 (en) * | 2013-03-29 | 2014-10-29 | 三洋電機株式会社 | Power supply system and charge / discharge 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 CN201710800001.8A patent/CN107658919A/en active Pending
- 2015-08-03 CN CN201710799991.8A patent/CN107706963A/en not_active Withdrawn
- 2015-08-03 CN CN201510482119.1A patent/CN105048578B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1372364A (en) * | 2001-02-20 | 2002-10-02 | 精工电子有限公司 | Controller for electricity recharge/discharge |
| JP2014003759A (en) * | 2012-06-15 | 2014-01-09 | Toyota Motor Corp | Power source control device |
| CN103795104A (en) * | 2012-10-30 | 2014-05-14 | 株式会社日立信息通信工程 | Power storage system and power source system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107706963A (en) | 2018-02-16 |
| CN107658919A (en) | 2018-02-02 |
| CN105048578B (en) | 2017-12-01 |
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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. |