CN106654416A - Maintenance structure and method of battery pack - Google Patents
Maintenance structure and method of battery pack Download PDFInfo
- Publication number
- CN106654416A CN106654416A CN201710039136.7A CN201710039136A CN106654416A CN 106654416 A CN106654416 A CN 106654416A CN 201710039136 A CN201710039136 A CN 201710039136A CN 106654416 A CN106654416 A CN 106654416A
- Authority
- CN
- China
- Prior art keywords
- battery
- battery pack
- battery core
- data
- core
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012423 maintenance Methods 0.000 title abstract description 8
- 230000010365 information processing Effects 0.000 claims abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 22
- 229910052744 lithium Inorganic materials 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 3
- 230000006798 recombination Effects 0.000 abstract description 4
- 238000005215 recombination Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008531 maintenance mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- 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
- 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
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a maintenance structure of a battery pack. The battery pack comprises at least two cable cores, wherein each cable core is uniquely numbered; each cable core in the battery pack is connected to a data acquisition device integrated on a BMS (battery management system); the data acquisition device comprises a voltage acquisition circuit and a current acquisition circuit; the output end of the data acquisition device is connected to an information processing device. The invention further provides a maintenance method of the battery pack. According to the structure and the method which are provided by the invention, parameters of each cable core in the battery pack can be monitored in real time; once finding that the data of a certain cable core are not matched with the data of other cable cores in the pack and the mismatch affects the use efficiency, the maintenance structure gives an alarm to prompt a maintainer; a corresponding recombination method can be provided, so that the maintainer regroups and rematches the cable cores according to the recombination method to ensure that the service lives of the residual cable cores cannot be affected, and the service life of each single cable core is prolonged.
Description
Technical field
The present invention relates to the maintenance technology field of battery pack, especially chargeable lithium cell group.
Background technology
The life-span of lithium battery currently on the market is subject to the unbalanced impact of parameter of each battery core in lithium battery, as long as
There is a battery core to be damaged, the life-span of overall lithium battery can be dragged down.Battery management system（BMS）It is the knob between battery and user
Band, is mainly used in solving battery storage little energy, short life, connection in series-parallel and uses problem, safety in utilization, battery electric quantity estimation tired
Difficulty etc., the performance of battery is very complicated, and different types of battery behavior also differs greatly, battery management system（BMS）Mainly
Just it is able to improve the utilization rate of battery, prevents battery from occurring overcharging and over-discharge, extends the use longevity of battery
Life, monitors the state of battery.But the BMS systems of routine cannot detect the service condition of each battery core of inside battery, for battery
For group, lack corresponding maintenance mechanism.
The content of the invention
The technical problem that the present invention first has to solve is to provide a kind of enclosed structure of battery pack, can ensure that battery pack makes
The uniformity of each battery core with during.
The present invention solves the technical scheme that adopted of above-mentioned technical problem：A kind of enclosed structure of battery pack, the electricity
Pond group includes at least 2 battery cores, and each battery core is set unique number, and each battery core in battery pack is respectively connecting to integrated
Data acquisition unit on BMS, the data acquisition unit includes voltage collection circuit, current collection circuit, the data
The output end of harvester is connected to information processor.
While using above-mentioned technical proposal, the present invention can also be adopted or combined using technology further below
Scheme：
Described information processing meanss include data identification module and data memory module, and data memory module is used to store each electricity
The related letter of each battery core that the battery group # and data acquisition unit corresponding to the numbering of core, each battery core is collected
Breath；It is preset with a reference value in the data identification module, and can be by the phase of the battery core in a reference value and data memory module
Pass information is compared.
The enclosed structure also includes warning device, and the warning device can receive the data identification module and be sent
Information, and according to the judged result of data identification module decide whether report to the police.
The data memory module includes information database and database update module, the database update module connection
To information database, and the content in the information real-time update information database that can be collected according to data acquisition unit.
Data acquisition unit is connected to information processor and can be by the data for collecting through wired or wireless side
Formula is transferred to information processor, and described information processing meanss are PC, hand-held PDA or mobile phone, and the data of transmission are number in real time
According to, and the database in processing meanss is covered and updated the data in real time.
Described battery pack is rechargeable lithium battary group, and the battery core is rechargeable lithium battary battery core.
The battery pack is used for rechargeable battery truck.
Another technical problem to be solved by this invention is to provide a kind of maintaining method of battery pack, methods described application
Above-mentioned enclosed structure, and comprise the following steps：
（1）Each battery core in battery pack is numbered, battery group # and the position arrangement of each battery core is recorded；
（2）The data message of each battery core in data acquisition unit Real-time Collection battery pack；
（3）The battery core data message that information processor receiving data harvester is gathered, builds according to information and reference numeral
Vertical battery pack and cell information database simultaneously are implemented to update；
（4）Battery core data standard value is preset in information processor；
（5）Information processor compares database information with standard value, judges whether each battery core in battery pack meets
With principle；
（6）Battery core to being unsatisfactory for matching principle carries out re-assemblying distribution, it is ensured that each battery core in battery pack is satisfied by
With principle.
While using above-mentioned technical proposal, the present invention can also be adopted or combined using technology further below
Scheme：
The matching principle is referred to：Voltage of other battery cores or the difference of current value exist in the battery pack that a certain battery core is located with it
In certain limit, the normal service life of each battery core in battery pack is not interfered with；Judge whether that meeting matching principle refers to：Certain
Whether the voltage of other battery cores in the battery pack that the voltage or current value of one battery core are located with the battery core or the difference of current value
More than a certain critical value, if without departing from matching principle being met, if it was exceeded, being unsatisfactory for matching principle.
The described distribution that re-assemblies is referred to：By certain, one or more battery cores are taken out and are changed, or, by certain one or more electricity
The position of core is exchanged in the battery pack, or, by certain in certain one or more battery pack, one or more battery cores are taken out, with
Certain one or more battery core in other certain one or more battery packs are exchanged.
Described battery pack is rechargeable lithium battary group, and the battery core is rechargeable lithium battary battery core.
The invention has the beneficial effects as follows：By the structures and methods of the present invention, can be to each piece of battery core in battery pack
Parameter is monitored in real time, once find that the data of a certain battery core and the group other battery core data are mismatched, and can be affected using effect
During rate, by alarm attendant, and corresponding recombination method can be provided, by attendant according to recombination method to battery core
Again group match, it is ensured that the remaining battery core life-span is unaffected, extends the life-span of single-unit battery core.By the technology of the present invention, energy
Enough ensure the uniformity of lithium battery each battery core in use, extend lithium battery service life, and improve the profit of battery core
With rate.
Description of the drawings
Fig. 1 is the structure chart of the present invention.
Fig. 2 is the flow chart of the present invention.
Specific embodiment
Embodiment 1, referring to the drawings 1, a kind of enclosed structure of battery pack.
The present embodiment for lithium battery group enclosed structure, including lithium battery group 1, in practical situations both, lithium battery group 1 also may be used
Think multiple, in this example only by taking a lithium battery group as an example, the battery pack 1 includes at least 2 together of serial or parallel connection
Battery core 2, each battery core 2 is set one and uniquely numbers relatively, and the numbering can be adopted by BMS and integrated data thereon
Acquisition means 3 are recognized that each battery core 2 in battery pack 1 is respectively connecting to the data acquisition unit 3 being integrated on BMS, the number
Include voltage collection circuit, current collection circuit, various numbers such as temperature collection circuit and capacitance Acquisition Circuit according to harvester 3
According to Acquisition Circuit, these Acquisition Circuits can adopt measurement module commonly used in the prior art, such as potentiometer module, galvanometer
Module, thermometer module, capacitance module etc., these measurement modules gather to form complete data acquisition unit 3, described
Data acquisition unit 3 is connected to information processor 4, and described information processing meanss 4 are BMS peripheral hardwares, such as other electronics of PC
Equipment etc..The data for collecting are transferred to information processor by data acquisition unit 3 through wired or wireless mode, described
Information processing apparatus are set to PC, hand-held PDA or mobile phone, and the data of transmission are real time data, and cover and update the data place in real time
Database in reason device.
Voltage of the data acquisition module 3 to each battery core in battery pack, electric current carries out data acquisition, and will be collected
Data is activation to information processor 4, information processor include data identification module 5 and data memory module 6, data storage
The battery group # and data acquisition unit that module is used to store corresponding to the numbering of each battery core, each battery core is collected
Each battery core relevant information；A reference value is preset with the data identification module, and a reference value and data can be deposited
The relevant information of the battery core in storage module is compared.
The enclosed structure also includes warning device, and the warning device can receive the data identification module and be sent
Information, and according to the judged result of data identification module decide whether report to the police.When the numerical value for being recognized meets certain condition
Triggering warning device 7, prompting maintenance personnel carry out corresponding attended operation, for example, take out the batteries battery core for sending warning,
Other battery battery cores that loading matches etc., to guarantee to be mutually matched between each battery core in battery pack, will not produce extra damage
Consumption, extends telecommunications service life.
The data memory module includes information database and database update module, the database update module connection
To information database, and the content in the information real-time update information database that can be collected according to data acquisition unit.
The lithium battery group can be used for rechargeable battery truck.
Embodiment 2, referring to the drawings 2, a kind of maintaining method of battery pack.
Enclosed structure in the method Application Example 1 of the present embodiment, and comprise the following steps：
（1）Each battery core in battery pack is numbered, battery group # and the position arrangement of each battery core is recorded；
（2）The data message of each battery core in data acquisition unit Real-time Collection battery pack；
（3）The battery core data message that information processor receiving data harvester is gathered, builds according to information and reference numeral
Vertical battery pack and cell information database simultaneously are implemented to update；
（4）Battery core data standard value is preset in information processor；
（5）Information processor compares database information with standard value, judges whether each battery core in battery pack meets
With principle；
（6）Battery core to being unsatisfactory for matching principle carries out re-assemblying distribution, it is ensured that each battery core in battery pack is satisfied by
With principle.
While using above-mentioned technical proposal, the present invention can also be adopted or combined using technology further below
Scheme：
The matching principle is referred to：Voltage of other battery cores or the difference of current value exist in the battery pack that a certain battery core is located with it
In certain limit, the normal service life of each battery core in battery pack is not interfered with；Judge whether that meeting matching principle refers to：Certain
Whether the voltage of other battery cores in the battery pack that the voltage or current value of one battery core are located with the battery core or the difference of current value
More than a certain critical value, if without departing from matching principle being met, if it was exceeded, being unsatisfactory for matching principle.
The described distribution that re-assemblies is referred to：Certain one or more battery core is taken out and changed from the battery pack being located, or
Person, the position of certain one or more battery core is exchanged in the battery pack, or, will be a certain in certain one or more battery pack
Or multiple battery cores are taken out, certain one or more battery core with other in certain one or more battery pack are exchanged.
Described battery pack is rechargeable lithium battary group, and the battery core is rechargeable lithium battary battery core.
The real time data of lithium battery is responsible for the number such as collection, including voltage, electric current, temperature, capacity by BMS data acquisition modules
According to, and data are read into computer by data wire, computer according to data genaration data database, by each piece in battery pack
The data of battery core put in order according to battery core and enter database.When some numerical value therein is below or above the boundary of setting,
Report to the police in data platform, prompting maintenance personnel safeguard to the battery pack.Maintenance personal affects the electricity of battery life by taking out
Core, matches battery core group, it is ensured that the remaining battery core life-span is unaffected again, extends the life-span of single-unit battery core.
Claims (10)
1. a kind of enclosed structure of battery pack, it is characterised in that：The battery pack includes at least 2 battery cores, each battery core quilt
Setting unique number, each battery core in battery pack is respectively connecting to the data acquisition unit being integrated on BMS, and the data are adopted
Acquisition means include voltage collection circuit, current collection circuit, and the output end of the data acquisition unit is connected to information processing apparatus
Put.
2. the enclosed structure of a kind of battery pack according to claim 1, it is characterised in that：Described information processing meanss include
Data identification module and data memory module, data memory module is located for storing the numbering of each battery core, each battery core
The relevant information of each battery core that battery group # and data acquisition unit are collected；Preset in the data identification module
There is an a reference value, and the relevant information of the battery core in a reference value and data memory module can be compared.
3. the enclosed structure of a kind of battery pack according to claim 2, it is characterised in that：The enclosed structure also includes report
Alarm device, the warning device can receive the data identification module transmitted information, and according to data identification module
Judged result decides whether to report to the police.
4. the enclosed structure of a kind of battery pack according to claim 2, it is characterised in that：The data memory module includes
Information database and database update module, the database update module is connected to information database, and can be according to data
Content in the information real-time update information database that harvester is collected.
5. the enclosed structure of a kind of battery pack according to claim 1, it is characterised in that：Described battery pack is chargeable
Lithium battery group, the battery core be rechargeable lithium battary battery core.
6. the enclosed structure of a kind of battery pack according to claim 5, it is characterised in that：The battery pack is used for rechargeable
Battery truck.
7. a kind of maintaining method of battery pack, it is characterised in that：Dimension any one of methods described application claim 1-6
Protection structure, and comprise the following steps：
（1）Each battery core in battery pack is numbered, battery group # and the position arrangement of each battery core is recorded；
（2）The data message of each battery core in data acquisition unit Real-time Collection battery pack；
（3）The battery core data message that information processor receiving data harvester is gathered, builds according to information and reference numeral
Vertical battery pack and cell information database and real-time update；
（4）Information processor compares database information with standard value, judges whether each battery core in battery pack meets
With principle；
（5）Battery core to being unsatisfactory for matching principle carries out re-assemblying distribution, it is ensured that each battery core in battery pack is satisfied by
With principle.
8. the maintaining method of a kind of battery pack according to claim 7, it is characterised in that：The matching principle is referred to：Certain
Difference of the voltage of other battery cores or current value within the specific limits, does not interfere with battery in the battery pack that one battery core is located with it
The normal service life of each battery core in group；Judge whether that meeting matching principle refers to：The voltage or current value of a certain battery core with
Whether the voltage of other battery cores in the battery pack that the battery core is located or the difference of current value exceed a certain critical value, if do not had
Exceed, then meet matching principle, if it was exceeded, being unsatisfactory for matching principle.
9. the maintaining method of a kind of battery pack according to claim 7, it is characterised in that：The described distribution that re-assemblies is
Refer to：By certain, one or more battery cores are taken out, or, the position of certain one or more battery core is exchanged in the battery pack, or,
By certain in certain one or more battery pack, one or more battery cores are taken out, certain with other in certain one or more battery pack one or more
Battery core is exchanged.
10. the maintaining method of a kind of battery pack according to claim 7, it is characterised in that：Described battery pack is to fill
The lithium battery group of electricity, the battery core is rechargeable lithium battary battery core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039136.7A CN106654416A (en) | 2017-01-19 | 2017-01-19 | Maintenance structure and method of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039136.7A CN106654416A (en) | 2017-01-19 | 2017-01-19 | Maintenance structure and method of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106654416A true CN106654416A (en) | 2017-05-10 |
Family
ID=58841985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710039136.7A Pending CN106654416A (en) | 2017-01-19 | 2017-01-19 | Maintenance structure and method of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654416A (en) |
Citations (12)
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| CN106183872A (en) * | 2016-08-15 | 2016-12-07 | 陕西赛雷博瑞新能源科技有限公司 | Homogeneity between groups control system and control method thereof in a kind of set of cells |
| CN106207288A (en) * | 2016-09-23 | 2016-12-07 | 法乐第(北京)网络科技有限公司 | Method for battery core equilibrium |
-
2017
- 2017-01-19 CN CN201710039136.7A patent/CN106654416A/en active Pending
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| US20110165442A1 (en) * | 2008-07-17 | 2011-07-07 | Mitsubishi Heavy Industries, Ltd. | Storage battery system, storage battery monitoring device, and storage battery monitoring method |
| WO2012100540A1 (en) * | 2011-01-26 | 2012-08-02 | Chen Guanhao | Lithium ion battery management system |
| CN102709979A (en) * | 2012-06-07 | 2012-10-03 | 朱泽州 | Integrated autonomous control system for power battery |
| US20140266062A1 (en) * | 2012-11-09 | 2014-09-18 | Lg Chem, Ltd. | Apparatus and method for controlling charge capacity balancing operation of secondary battery cell |
| WO2014198183A1 (en) * | 2013-06-09 | 2014-12-18 | Tian Junhao | Safe intelligent battery pack |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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