CN107742914A - Integrated Service Digital Network news technology between controller and lithium battery module BMS - Google Patents
Integrated Service Digital Network news technology between controller and lithium battery module BMS Download PDFInfo
- Publication number
- CN107742914A CN107742914A CN201711143340.XA CN201711143340A CN107742914A CN 107742914 A CN107742914 A CN 107742914A CN 201711143340 A CN201711143340 A CN 201711143340A CN 107742914 A CN107742914 A CN 107742914A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- double
- controller
- bms
- battery module
- Prior art date
- 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.)
- Pending
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 119
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 238000002955 isolation Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 239000008358 core component Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 6
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 3
- ZCJJIQHVZCFSGZ-UHFFFAOYSA-N 2,8-bis(diphenylphosphoryl)dibenzothiophene Chemical compound C=1C=CC=CC=1P(C=1C=C2C3=CC(=CC=C3SC2=CC=1)P(=O)(C=1C=CC=CC=1)C=1C=CC=CC=1)(=O)C1=CC=CC=C1 ZCJJIQHVZCFSGZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 238000000034 method Methods 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- 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
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H02J7/0026—
-
- 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 present invention devises the Integrated Service Digital Network news circuit between each lithium battery module BMS without coding in a kind of controller and lithium battery group, this circuit may insure that each lithium battery is in over-pressed, under-voltage and excess temperature in each lithium battery group, controller can cut off or adjust in time the charge or discharge electric current to lithium battery group, to avoid lithium battery that safety problem occurs.Integrated Service Digital Network news technology between this controller and lithium battery module BMS, great advantage are exactly that lithium battery module is simple without coding, installation, replacing and the maintenance of lithium battery group.
Description
Art
Will generally connect one electronics by monolithic processor controlled charging and discharging currents of access between lithium battery group and charger
The system of the electronic switch composition of switch, this single-chip microcomputer and control electric current is referred to as controller, for example lithium battery group is accessing
Need to connect one between bus and lithium battery group when on the dc bus of crucial power-supply system such as uninterruptible power system (UPS)
Individual controller is to ensure security of the modules during charge or discharge in lithium battery group, therefore controller and each lithium
Need to communicate between battery management system (BMS) in battery module, such as at present using lithium battery as in the electric automobile of power
The CAN communication generally used.
Background technology
Between the BMS of each module it is at present code communication in the controller that generally uses and lithium battery group, this is in reality
Border installation, change and can be wasted time and energy when managing lithium battery group, have in fact in many power-supply systems It is not necessary to lithium battery group
In each lithium battery module carry out sequential encoding, be not required to if traditional lead-acid accumulator being serially connected on UPS dc bus suitable
Sequence encode, so installation, replacing and it is easy to maintenance.
The content of the invention
The present invention devises the line between the BMS of each lithium battery module without coding in a kind of controller and lithium battery group
Communicating circuit, this circuit may insure that each lithium battery module is in over-pressed, under-voltage and excess temperature in each lithium battery group, control
Device can cut off or adjust in time the charge or discharge electric current to lithium battery group, to avoid lithium battery that safety problem occurs.
The technical solution adopted in the present invention
Integrated Service Digital Network news technology between controller and lithium battery module BMS of the present invention is female by the positive pole of charger
Line, negative electrode bus, sequential series connection lithium battery and its each on BMS composition lithium battery module and with lithium battery group string
The controller composition of connection；Controller is connected with the positive pole of lithium battery group again after being connected with positive electrode bus end, can also be with lithium
It is connected again with negative electrode bus after the negative pole end connection of battery pack.
In Integrated Service Digital Network news technology between controller and lithium battery module BMS of the present invention, on lithium battery module
BMS does not have sequential encoding；Single-chip microcomputer, light-coupled isolation detection circuit and double-point double-throw switch relay RY are BMS core components；
Double-point double-throw switch relay RY in BMS is connected using tandem, i.e., when controller connects positive electrode bus end, is controlled in connection
In first lithium battery module of device, two opened points corresponding to upper two movable contacts of double-point double-throw switch relay RY connect respectively
The both positive and negative polarity of first lithium battery is connected to, two normally closed points corresponding to two movable contacts are connected respectively to next lithium battery module
Upper double-point double-throw switch relay RY two movable contacts, two of double-point double-throw switch relay RY on other lithium battery modules
Two opened points corresponding to movable contact are connected respectively to the both positive and negative polarity of respective lithium battery, two normally closed points corresponding to two movable contacts
It is connected respectively to two movable contacts of double-point double-throw switch relay RY on next lithium battery module, double-point double-throw switch relay
It is to be connected in series between device RY；When controller connects negative electrode bus end, in first lithium battery module of lithium battery group negative pole, double-pole
Two opened points corresponding to upper two movable contacts of commutator relay RY are connected respectively to the both positive and negative polarity of first lithium battery, and two
Two normally closed points are connected respectively to two of double-point double-throw switch relay RY on next lithium battery module corresponding to individual movable contact
Individual movable contact, two opened points difference corresponding to double-point double-throw switch relay RY two movable contacts on other lithium battery modules
The both positive and negative polarity of respective lithium battery is connected to, two normally closed points corresponding to two movable contacts are connected respectively to next lithium battery module
Upper double-point double-throw switch relay RY two movable contacts, i.e. it is to be connected in series between double-point double-throw switch relay RY.
In Integrated Service Digital Network news technology between controller and lithium battery module BMS of the present invention, controller is mainly by list
Piece machine, light-coupled isolation detection circuit and switch composition；Controller connects positive electrode bus end, as any one BMS in lithium battery module
Single-chip microcomputer when detecting over-pressed respective lithium battery, under-voltage or excess temperature, BMS will control double-point double-throw switch relay RY to produce
Plug into number and pulse width corresponded to by double-point double-throw switch relay RY lithium battery negative line connecting line, be sent to
Light-coupled isolation detection circuit in controller, the single-chip microcomputer in controller, which can just detect and distinguish lithium battery, to be overvoltage or owes
Pressure or excess temperature, controller export or reduced the measures such as charging current so as to take to stop charging or cut off；Equally
Ground, controller connect negative electrode bus end, when the single-chip microcomputer of any one BMS in lithium battery module detects respective lithium battery mistake
When pressure, under-voltage or excess temperature, BMS will be controlled plugs into number and pulse width passes through double-pole caused by double-point double-throw switch relay RY
Commutator relay RY corresponds to the connecting line of the electrode line of lithium battery, is sent to light-coupled isolation in controller and detects circuit, control
It is over-pressed or under-voltage or excess temperature that single-chip microcomputer in device processed, which can just detect and distinguish lithium battery,.
In Integrated Service Digital Network news technology between controller and lithium battery module BMS of the present invention, because DPDT is opened
It is to be connected in series between the relay RY of pass, double-point double-throw switch relay RY corresponds to the electrode line of lithium battery or negative line is actually
Single line, by the double-point double-throw switch relay RY controlled of BMS on lithium battery module plug into state and pulse width is passed
Realize that this communication modes are referred to as controller and lithium battery by this single line to controller light-coupled isolation detection circuit
Integrated Service Digital Network news technology between module BMS.
Integrated Service Digital Network news technology between this controller and lithium battery module BMS, great advantage be exactly lithium battery module without
Need to encode, installation, replacing and the maintenance of lithium battery group are simple.
Brief description of the drawings
Further illustrate with reference to the accompanying drawings and examples
Figure of description has 4
Accompanying drawing 1 is principle of the invention figure when controller connects positive electrode bus end
Accompanying drawing 2 is principle of the invention figure when controller connects negative electrode bus end
When accompanying drawing 3 is that controller connects positive electrode bus end, the light-coupled isolation detection circuit S2 used in controller figure
When accompanying drawing 4 is that controller connects negative electrode bus end, the light-coupled isolation detection circuit S2 used in controller figure
Embodiment
In accompanying drawing 1 and accompanying drawing 2 ,+DC_BUS is positive electrode bus, and-DC_BUS is negative electrode bus, and CONT is by single-chip microcomputer
MCU2, light-coupled isolation detection circuit S2 and the controller for switching K compositions, B01, B02...Bn-1, Bn are the lithium electricity of sequential series
Pond, single-chip microprocessor MCU 1, double-point double-throw switch relay RY, light-coupled isolation detection circuit S1 are battery management system BMS cores
Part, BMS and lithium battery B01, B02...Bn-1, Bn separately constitute M1, M2...Mn-1, Mn lithium electricity in this lithium battery group
Pond module, in double-point double-throw switch relay RY, 1 and 2 be double-point double-throw switch relay RY controlled end, and 3 and 4 are that double-pole is double
Throw switch relay RY movable contact, 5 and 7 be in double-point double-throw switch relay RY and 3,4 respectively corresponding to normally closed point, 6 and 8
Be in double-point double-throw switch relay RY and 3,4 respectively corresponding to opened point.
Accompanying drawing 3 is that light-coupled isolation detection circuit S2,0P1 are optocouplers, and Vcc is power supply, and R1, R2 are current limliting electricity
Resistance.Accompanying drawing 3 and accompanying drawing 1 use for following examples one.
Accompanying drawing 4 is that light-coupled isolation detection circuit S2,0P2 are optocouplers, and Vcc is power supply, and R3, R4 are current limliting electricity
Resistance.Accompanying drawing 4 and accompanying drawing 2 use for following examples two.
L+, the L- being related in above figure are the electrode line and negative pole that double-point double-throw switch relay RY corresponds to lithium battery respectively
The connecting line of line, controller CONT will perform communication, controller CONT exists at positive electrode bus+DC_BC ends using connecting line L-
During negative electrode bus-DC_BC ends, communication is performed using connecting line L+；L+ or L- is exactly signified Integrated Service Digital Network news skill of the invention
" line " in art.
Embodiment one
Embodiment one will use accompanying drawing 1 and accompanying drawing 3
Embodiment one is that controller CONT connects positive electrode bus+DC_BUS ends, in accompanying drawing 1, when lithium battery module M1,
When any one BMS MCU1 detects over-pressed respective lithium battery, under-voltage or excess temperature in M2...Mn-1, Mn, BMS will be controlled
Number and the pulse width of being plugged into caused by double-point double-throw switch relay RY correspond to lithium electricity by double-point double-throw switch relay RY
The connecting line L- of the negative line in pond, the MCU2 in light-coupled isolation detection the circuit S2, controller CONT in accompanying drawing 3 is sent to regard to energy
It is over-pressed or under-voltage or excess temperature to detect and distinguish lithium battery, passes through L- between controller CONT and lithium battery module BMS
Realize Integrated Service Digital Network news technology.
Embodiment two
Embodiment two will use accompanying drawing 2 and accompanying drawing 4.
Embodiment two is that controller CONT connects negative electrode bus-DC_BUS ends, in accompanying drawing 2, when lithium battery module M1,
When any one BMS MCU1 detects over-pressed respective lithium battery, under-voltage or excess temperature in M2...Mn-1, Mn, BMS will be controlled
Number and the pulse width of being plugged into caused by double-point double-throw switch relay RY correspond to lithium electricity by double-point double-throw switch relay RY
The connecting line L+ of the negative line in pond, the MCU2 in light-coupled isolation detection the circuit S2, controller CONT in accompanying drawing 4 is sent to regard to energy
It is over-pressed or under-voltage or excess temperature to detect and distinguish lithium battery, passes through L+ between controller CONT and lithium battery module BMS
Realize Integrated Service Digital Network news technology.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent control method that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (6)
1. the Integrated Service Digital Network news technology between controller and lithium battery module BMS is generally by being connected in series with charger dc bus
The BMS compositions of each lithium battery in controller, lithium battery group and lithium battery group, it is characterized in that between controller and lithium battery BMS
Communication using single line communicate by the way of.
2. Integrated Service Digital Network between controller according to claim 1 and lithium battery module BMS interrogates technology by charger just
Pole bus, negative electrode bus, sequential series connection lithium battery and its each on BMS composition lithium battery module and and lithium battery
The controller composition of group series connection；Controller is connected with the positive pole of lithium battery group again after being connected with positive electrode bus end, can also
It is connected again with negative electrode bus after being connected with the negative pole end of lithium battery group.
3. the Integrated Service Digital Network news technology between controller according to claim 1 and lithium battery module BMS, lithium battery module
BMS does not have sequential encoding.
4. the Integrated Service Digital Network news technology between controller according to claim 1 and lithium battery module BMS, single-chip microcomputer, optocoupler
Isolation detection circuit and double-point double-throw switch relay RY are BMS core components；Double-point double-throw switch relay RY in BMS
Connected using tandem, i.e., when controller connects positive electrode bus end, in first lithium battery module of connection controller, double-pole
Two opened points corresponding to upper two movable contacts of commutator relay RY are connected respectively to the both positive and negative polarity of first lithium battery, and two
Two normally closed points are connected respectively to two of double-point double-throw switch relay RY on next lithium battery module corresponding to individual movable contact
Individual movable contact, two opened points difference corresponding to double-point double-throw switch relay RY two movable contacts on other lithium battery modules
The both positive and negative polarity of respective lithium battery is connected to, two normally closed points corresponding to two movable contacts are connected respectively to next lithium battery module
Upper double-point double-throw switch relay RY two movable contacts, it is to be connected in series between double-point double-throw switch relay RY；Controller connects
During negative electrode bus end, in first lithium battery module of lithium battery group negative pole, upper two of double-point double-throw switch relay RY is dynamic
Two opened points corresponding to contact are connected respectively to the both positive and negative polarity of first lithium battery, two normally closed points corresponding to two movable contacts
Two movable contacts of double-point double-throw switch relay RY on next lithium battery module are connected respectively to, on other lithium battery modules
Two opened points corresponding to double-point double-throw switch relay RY two movable contacts are connected respectively to the both positive and negative polarity of respective lithium battery,
Two normally closed points are connected respectively to double-point double-throw switch relay RY on next lithium battery module corresponding to two movable contacts
Two movable contacts, it is to be connected in series between double-point double-throw switch relay RY.
5. between controller according to claim 1 and lithium battery module BMS Integrated Service Digital Network news technology, controller mainly by
Single-chip microcomputer, light-coupled isolation detection circuit and switch composition；When controller connects positive electrode bus, light-coupled isolation checks the light in circuit
Coupling diode is by positive electrode bus to the negative pole power supply because of over-pressed, under-voltage or excess temperature lithium battery；When controller connects negative electrode bus,
Optocoupler diode in light-coupled isolation inspection circuit is by because over-pressed, under-voltage or excess temperature lithium battery anode is to the negative pole of lithium battery group
Bussed supply.
6. the Integrated Service Digital Network news technology between controller according to claim 1 and lithium battery module BMS, controller connect positive pole
Bus end, when the single-chip microcomputer of any one BMS in lithium battery module detects over-pressed respective lithium battery, under-voltage or excess temperature,
BMS will be controlled plugs into number and pulse width passes through double-point double-throw switch relay RY caused by double-point double-throw switch relay RY
The connecting line of the negative line of corresponding lithium battery, the light-coupled isolation detection circuit being sent in controller, the single-chip microcomputer in controller
With regard to that can detect and distinguish, lithium battery is over-pressed or under-voltage or excess temperature, controller stop charging or cutting so as to take
Disconnected output reduces the measures such as charging current；Similarly, controller connects negative electrode bus end, when any one in lithium battery module
When BMS single-chip microcomputer detects over-pressed respective lithium battery, under-voltage or excess temperature, BMS will control double-point double-throw switch relay RY
It is caused plug into number and pulse width corresponded to by double-point double-throw switch relay RY lithium battery electrode line connecting line, pass
Be sent in controller light-coupled isolation and detect circuit, the single-chip microcomputer in controller can just detect and distinguish lithium battery be overvoltage or
Under-voltage or excess temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711143340.XA CN107742914A (en) | 2017-11-15 | 2017-11-15 | Integrated Service Digital Network news technology between controller and lithium battery module BMS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711143340.XA CN107742914A (en) | 2017-11-15 | 2017-11-15 | Integrated Service Digital Network news technology between controller and lithium battery module BMS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107742914A true CN107742914A (en) | 2018-02-27 |
Family
ID=61234888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711143340.XA Pending CN107742914A (en) | 2017-11-15 | 2017-11-15 | Integrated Service Digital Network news technology between controller and lithium battery module BMS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107742914A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134214A1 (en) * | 2018-12-29 | 2020-07-02 | 华为技术有限公司 | Energy storage system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478855A (en) * | 2009-01-10 | 2009-07-08 | 吴广毅 | Lamp light brightness regulating apparatus and method thereof |
| CN101527463A (en) * | 2009-04-09 | 2009-09-09 | 东莞新能源科技有限公司 | Equably charging system of lithium ion power battery pack |
| CN103825333A (en) * | 2014-03-06 | 2014-05-28 | 王晓秋 | Online undervoltage auxiliary charge control circuit and control method for storage batteries |
| CN203984735U (en) * | 2013-06-27 | 2014-12-03 | 浙江生辉照明有限公司 | A kind of drive circuit of LED lighting device |
-
2017
- 2017-11-15 CN CN201711143340.XA patent/CN107742914A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478855A (en) * | 2009-01-10 | 2009-07-08 | 吴广毅 | Lamp light brightness regulating apparatus and method thereof |
| CN101527463A (en) * | 2009-04-09 | 2009-09-09 | 东莞新能源科技有限公司 | Equably charging system of lithium ion power battery pack |
| CN203984735U (en) * | 2013-06-27 | 2014-12-03 | 浙江生辉照明有限公司 | A kind of drive circuit of LED lighting device |
| CN103825333A (en) * | 2014-03-06 | 2014-05-28 | 王晓秋 | Online undervoltage auxiliary charge control circuit and control method for storage batteries |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134214A1 (en) * | 2018-12-29 | 2020-07-02 | 华为技术有限公司 | Energy storage system |
| US11581588B2 (en) | 2018-12-29 | 2023-02-14 | Huawei Digital Power Technologies Co., Ltd. | Energy storage system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201639290U (en) | Device for preventing main loop of backup battery from being inversely connected | |
| CN104319870B (en) | Power supply system supporting redundancy backup and hot plug | |
| CN205377342U (en) | Power management system and aircraft of many rotors manned vehicle | |
| CN103944238B (en) | High stable is convenient to the high-power power battery safeguarded | |
| CN108512269A (en) | A kind of cell parallel balancing device and charge/discharge control method | |
| CN104092266A (en) | Method and device for charging and discharging power batteries fast and safely | |
| CN104410139B (en) | Battery of battery-driven truck is full of automatic power-off circuit and auto-power-off device | |
| CN103701162A (en) | Battery management system | |
| CN205725113U (en) | A kind of HVDC electric power system set of cells of compatible multiple voltage output | |
| CN104044538A (en) | Electricity loss prevention device and electricity loss prevention method of low-voltage storage battery | |
| CN204497835U (en) | A kind of PoE switch of uninterrupted power supply | |
| CN208570836U (en) | Under peak load shifting operating condition in communication base station multiple groups battery charge-discharge control system | |
| CN207311163U (en) | A kind of electric bicycle intelligent charge socket | |
| CN212162855U (en) | High-voltage distribution box for energy storage system | |
| CN212380995U (en) | DC power supply backup storage battery pack discharging remote control system | |
| CN107742914A (en) | Integrated Service Digital Network news technology between controller and lithium battery module BMS | |
| CN111775706A (en) | Power battery low-voltage manual maintenance switch control system and vehicle | |
| CN209250292U (en) | A kind of high pressure lithium battery system current supply circuit | |
| CN210608594U (en) | Battery and active equalization module | |
| CN104682522B (en) | A kind of charger for battery | |
| CN203574408U (en) | Battery pack application node and matrix battery management system | |
| CN103117665B (en) | A kind of lithium ion battery module simulation system | |
| CN208507877U (en) | A kind of battery sharing manager | |
| CN206340984U (en) | A kind of integrated AC/DC integrated power-supply system of multicompartment | |
| CN205986287U (en) | High voltage direct current energy storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180227 |