CN102867998A - Battery replacement method and device - Google Patents
Battery replacement method and device Download PDFInfo
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- CN102867998A CN102867998A CN2011101876372A CN201110187637A CN102867998A CN 102867998 A CN102867998 A CN 102867998A CN 2011101876372 A CN2011101876372 A CN 2011101876372A CN 201110187637 A CN201110187637 A CN 201110187637A CN 102867998 A CN102867998 A CN 102867998A
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- 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 battery replacement method and a device. The method comprises the following steps of: acquiring performance index of each single battery in a battery box to be measured; determining the single battery which needs replacement according to the performance index of each single battery; acquiring comprehensive performance index of other single batteries in the battery box except the single battery which needs replacement; searching a target alternative battery which matches with the comprehensive performance index in a pre-established database containing the alternative battery and the alternative battery performance index correspondence; and replacing the single battery which needs replacement with the target alternative battery. According to the battery replacement method disclosed by the embodiment, the replacement problem of a single pack and pack battery in a battery box is solved well, the whole battery box needn't to be replaced, the service life of an entire battery pack is raised, and operation cost of a battery pack is reduced.
Description
Technical field
The present invention relates to the battery testing field, particularly a kind of battery change method and device.
Background technology
At present, cell causes the difference of each battery capacity and performance owing to reasons such as production technologies, in the practical application of series battery, can cause obvious fast and other battery cell of rate of decay of indivedual cells, thereby affect the performance of this cell place battery case.The battery management system BMS equalization function imperfection of existing battery pack, can not fundamentally solve the difference of the inner single bag battery core of battery pack, just can prolong the time that list bag battery difference produces, still exist to last single difference of wrapping battery, also can constantly enlarge.And existing settling mode is just replaced the cell of undesirable backwardness simply with new battery, although the method is relatively simple in operation, its consequence of bringing is comparatively serious; Because substitute behindhand battery with new battery simply, in most situations, other battery cell in this battery case exists larger performance and the difference of capacity with new battery cell, in case will inevitably accelerate the decay of other cell with meeting after the new battery cell composition series system, form larger unbalanced and vicious circle.
Summary of the invention
In view of this, the object of the invention is to provide a kind of battery change method and device, and its concrete scheme is as follows:
A kind of battery change method comprises:
Obtain the performance index of each cell in the mesuring battary case;
Need to determine the cell of replacing according to the performance index of each cell;
The integrated performance index of other cells the cell of changing except need in acquisition and the described mesuring battary case;
In the database of the corresponding relation that comprises alternative battery and alternative battery performance index of setting up in advance, search the target alternative battery that is complementary with described integrated performance index;
Described target alternative battery is replaced the described cell that needs replacing.
Preferably, described performance index comprise: open circuit voltage, capacity and charging and discharging curve.
Preferably, also comprise: test described by the battery case behind the replacing cell;
When described test result does not meet when pre-conditioned, return carry out obtain with described mesuring battary case in the process of the cell performance index that are complementary of the combination property of other cells except the cell that need are changed.
Preferably, also comprise:
The corresponding relation of the performance index of the described cell of need changing and cell is stored in the described database.
Preferably, the described process of obtaining the performance index of each cell in the mesuring battary case comprises:
To the detection of charging of current tested cell in the battery case;
Described current tested cell is carried out discharge examination;
Gather charging detection and the discharge examination result of described current tested cell, and record;
When existence in the described battery case is not detected cell, determine that next cell is current tested cell, return and carry out the step that current tested cell in the battery case is charged and detects.
A kind of battery replacement device comprises:
Acquisition module is for the performance index of calculating and record each cell of mesuring battary case;
Need to change the cell determination module, be used for according to the definite cell that need change of the performance index of each cell;
Integrated performance index obtains module, is used for the integrated performance index of acquisition and described mesuring battary case other cells except the cell that need are changed;
Target alternative battery determination module at the database that comprises alternative battery and alternative battery performance index of setting up in advance, is searched the target alternative battery that is complementary with described integrated performance index;
Replacement module is used for described target alternative battery is replaced the described cell that needs replacing.
Preferably, also comprise: test module, be used for testing described battery case by changing behind the cell, when described test result does not meet when pre-conditioned, return carry out obtain with described mesuring battary case in the process of integrated performance index of other cells except the cell that need are changed.
Preferably, also comprise: memory module is used for the described cell of replacing and the performance index of cell of needing are stored in described database.
Preferably, described acquisition module comprises:
The charging detecting unit is for detection that the current tested cell of battery case is charged;
The discharge examination unit is used for described current tested cell is carried out discharge examination;
The acquisition and recording unit, for the charging detection and the discharge examination result that gather described current tested cell, and record;
Determining unit is used for determining that next cell is current tested cell when described battery case existence is not detected cell, returns and carries out the step that current tested cell in the battery case is charged and detects.
Battery change method disclosed by the invention and device, by to FCL battery testing in the battery case, accurately find out the cell that undesirable needs are replaced, then according to the integrated performance index to other cell in this case battery, in the database of setting up in advance, finding out the target alternative cell that is complementary with this case battery integrated performance index replaces, thereby can well solve battery packing list bag and many bag battery replacement problems, improve whole Battery pack useful life, reduced battery pack operating cost.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiments of the invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain with reference to the accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of the disclosed battery methods of the embodiment of the invention;
To be that the embodiment of the invention is disclosed detect battery case to be measured Fig. 2, obtains the method flow diagram of the performance index of each cell;
Fig. 3 is the flow process of the disclosed another battery change method of the embodiment of the invention;
Fig. 4 is the structural representation of the disclosed a kind of battery replacement device of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The flow process of the disclosed battery change method of the embodiment of the invention comprises as shown in Figure 1:
Step S11, obtain the performance index of each cell in the mesuring battary case;
Battery case to be measured is detected, obtain the performance index of each cell, its concrete process comprises as shown in Figure 2:
Step S21, to the detection of charging of current tested cell in the battery case;
Step S22, described current tested cell is carried out discharge examination;
Charging detection and the discharge examination result of step S23, the described current tested cell of collection, and record;
Step S24, judge whether there is detected cell in the battery case, if exist, then execution in step S25 if do not exist, then finishes;
Step S25, determine that next cell is current tested cell, returns execution in step S21.
By above-mentioned steps, successively the cell in the battery case is tested, obtain the performance index of each cell.Concrete performance index comprise: open circuit voltage, capacity, charging and discharging curve, maximum charging voltage/electric current, charging constant current accuracy, charging constant voltage precision, maximum discharge current, maximum discharge power, voltage acquisition precision, current acquisition precision, temperature acquisition scope, temperature acquisition precision, DC internal resistance precision, total capacity precision etc.
Present embodiment does not limit the test of carrying out successively cell according to above-mentioned steps, can also by a plurality of test tie points, realize the mode of a plurality of cells of concurrent testing.
Step S12, need to determine the cell changed according to the performance index of each cell;
Performance index according to each cell, performance index value and the predefined performance index value of seeing which or those cells are unequal, but the allowed band that perhaps exceeds predefined performance index value then is defined as these cells the cell that need to change.
The integrated performance index of other cells the cell of changing except need in step S13, acquisition and the described mesuring battary case;
Remaining cell is carried out integration test, obtain the integration test performance index.
Step S14, in the database that comprises alternative battery and alternative battery performance index corresponding relation of setting up in advance, search the target alternative battery that is complementary with described integrated performance index;
Store the corresponding relation of alternative battery and alternative battery performance index in the database, this corresponding relation can be the corresponding relation of alternative battery numbering with performance index.Search the alternative battery performance index that is complementary according to the integration test performance index, then determine to be defined as the target alternative battery by alternative battery by the alternative battery corresponding with this alternative battery performance index.
Step S15, described target alternative battery is replaced the described cell changed of needing.
Finish test and replacement process to battery in the battery case.
Pass through above-mentioned steps, to FCL battery testing in the battery case, accurately find out the cell that undesirable needs are replaced, then according to the integrated performance index to other cell in this case battery, in the database of setting up in advance, finding out the target alternative cell that is complementary with this case battery integrated performance index replaces, thereby can well solve battery packing list bag and many bag battery replacement problems, need not to change the integral battery door case, improve whole Battery pack useful life, reduced battery pack operating cost.
The flow process of the disclosed another battery change method of the embodiment of the invention comprises as shown in Figure 3:
Step S31, obtain the performance index of each cell in the mesuring battary case;
Step S32, need to determine the cell changed according to the performance index of each cell;
The integrated performance index of other cells the cell of changing except need in step S33, acquisition and the described mesuring battary case;
Step S34, in the database that comprises alternative battery and alternative battery performance index corresponding relation of setting up in advance, search the target alternative battery that is complementary with described integrated performance index;
Step S35, described target alternative battery is replaced the described cell changed of needing;
Battery case behind step S36, the described replacing cell of test;
Step S37, to judge whether described test result meets pre-conditioned, if meet, then finishes, if do not meet, then returns execution in step S33.
In the disclosed battery testing method of present embodiment, after battery case is changed cell, battery case is tested, judge whether the integrated performance index that test obtains meets pre-conditioned, for example, whether equal predefined integrated performance index value, perhaps whether in predefined integrated performance index value scope.If meet, the battery case after then explanation is changed can reach performance requirement.If do not meet, then return and retest integrated performance index, redefine the step that the target alternative battery is replaced.
By above-mentioned steps, guaranteed that the battery case behind the replacing cell can satisfy performance requirement, better work, improved the reliability of battery case, guaranteed performance.
Further, also comprise: the corresponding relation of the performance index of the described cell of need changing and cell is stored in the described database.That is, this cell of changing as alternative battery, is preserved, so that be used for the replacing of other battery cases, realized the again utilization of the battery of monomer, improved utilance.
The present invention discloses a kind of battery replacement device, its structure comprises as shown in Figure 4: acquisition module 41, need are changed cell determination module 42, integrated performance index obtains module 43, target alternative battery determination module 44 and replacement module 45.
Further, also comprise: test module 46, be used for testing described by the battery case behind the replacing cell, when described test result does not meet when pre-conditioned, return carry out obtain with described mesuring battary case in the process of integrated performance index of other cells except the cell that need are changed.
Further, also comprise: memory module 47 is used for the described cell of replacing and the performance index of cell of needing are stored in described database.
Further, described acquisition module 41 comprises:
Charging detecting unit 411 is for detection that the current tested cell of battery case is charged;
Acquisition and recording unit 413, for the charging detection and the discharge examination result that gather described current tested cell, and record;
Determining unit 414 is used for determining that next cell is current tested cell when described battery case existence is not detected cell, returns and carries out the step that current tested cell in the battery case is charged and detects.
In the disclosed battery replacement device of present embodiment, the charging detecting unit can be program control charger, and the discharge examination unit can be program control load, under the effect of controller, realize the determining of current tested cell, and to collection and the record of testing result.
The specific works process of the disclosed battery replacement device of present embodiment please refer to preceding method embodiment, does not repeat them here.
The disclosed battery replacement device of present embodiment, to FCL battery testing in the battery case, accurately find out the cell that undesirable needs are replaced, then according to the integrated performance index to other cell in this case battery, in the database of setting up in advance, finding out the target alternative cell that is complementary with this case battery integrated performance index replaces, thereby can well solve battery packing list bag and many bag battery replacement problems, need not to change the integral battery door case, improve whole Battery pack useful life, reduced battery pack operating cost.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a battery change method is characterized in that, comprising:
Obtain the performance index of each cell in the mesuring battary case;
Need to determine the cell of replacing according to the performance index of each cell;
The integrated performance index of other cells the cell of changing except need in acquisition and the described mesuring battary case;
In the database of the corresponding relation that comprises alternative battery and alternative battery performance index of setting up in advance, search the target alternative battery that is complementary with described integrated performance index;
Described target alternative battery is replaced the described cell that needs replacing.
2. method according to claim 1 is characterized in that, described performance index comprise: open circuit voltage, capacity and charging and discharging curve.
3. method according to claim 2 is characterized in that, also comprises: test described by the battery case behind the replacing cell;
When described test result does not meet when pre-conditioned, return carry out obtain with described mesuring battary case in the process of the cell performance index that are complementary of the combination property of other cells except the cell that need are changed.
4. method according to claim 3 is characterized in that, also comprises:
The corresponding relation of the performance index of the described cell of need changing and cell is stored in the described database.
5. method according to claim 1 is characterized in that, the described process of obtaining the performance index of each cell in the mesuring battary case comprises:
To the detection of charging of current tested cell in the battery case;
Described current tested cell is carried out discharge examination;
Gather charging detection and the discharge examination result of described current tested cell, and record;
When existence in the described battery case is not detected cell, determine that next cell is current tested cell, return and carry out the step that current tested cell in the battery case is charged and detects.
6. a battery replacement device is characterized in that, comprising:
Acquisition module is for the performance index of calculating and record each cell of mesuring battary case;
Need to change the cell determination module, be used for according to the definite cell that need change of the performance index of each cell;
Integrated performance index obtains module, is used for the integrated performance index of acquisition and described mesuring battary case other cells except the cell that need are changed;
Target alternative battery determination module at the database that comprises alternative battery and alternative battery performance index of setting up in advance, is searched the target alternative battery that is complementary with described integrated performance index;
Replacement module is used for described target alternative battery is replaced the described cell that needs replacing.
7. device according to claim 6, it is characterized in that, also comprise: test module, be used for testing described by the battery case behind the replacing cell, when described test result does not meet when pre-conditioned, return carry out obtain with described mesuring battary case in the process of integrated performance index of other cells except the cell that need are changed.
8. device according to claim 7 is characterized in that, also comprises: memory module is used for the described cell of replacing and the performance index of cell of needing are stored in described database.
9. device according to claim 6 is characterized in that, described acquisition module comprises:
The charging detecting unit is for detection that the current tested cell of battery case is charged;
The discharge examination unit is used for described current tested cell is carried out discharge examination;
The acquisition and recording unit, for the charging detection and the discharge examination result that gather described current tested cell, and record;
Determining unit is used for determining that next cell is current tested cell when described battery case existence is not detected cell, returns and carries out the step that current tested cell in the battery case is charged and detects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101876372A CN102867998A (en) | 2011-07-05 | 2011-07-05 | Battery replacement method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101876372A CN102867998A (en) | 2011-07-05 | 2011-07-05 | Battery replacement method and device |
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| CN102867998A true CN102867998A (en) | 2013-01-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104670036A (en) * | 2013-11-28 | 2015-06-03 | 松下电器（美国）知识产权公司 | Information output method, information presentation device, and information output system |
| CN105584439A (en) * | 2016-01-22 | 2016-05-18 | 安徽江淮汽车股份有限公司 | Automobile storage battery start matching method and system |
| CN106655405A (en) * | 2017-01-19 | 2017-05-10 | 浙江邻居智能科技有限公司 | Charging maintenance structure and method of intelligent BMS lithium battery |
| CN108206310A (en) * | 2018-01-02 | 2018-06-26 | 华霆（合肥）动力技术有限公司 | Battery modules battery core repair method and device |
| CN108414926A (en) * | 2018-03-06 | 2018-08-17 | 苏州正力蔚来新能源科技有限公司 | Relay health status for quick-change power battery pack records system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104670036A (en) * | 2013-11-28 | 2015-06-03 | 松下电器（美国）知识产权公司 | Information output method, information presentation device, and information output system |
| CN104670036B (en) * | 2013-11-28 | 2021-08-06 | 松下电器（美国）知识产权公司 | Information output method and information output system |
| CN105584439A (en) * | 2016-01-22 | 2016-05-18 | 安徽江淮汽车股份有限公司 | Automobile storage battery start matching method and system |
| CN105584439B (en) * | 2016-01-22 | 2017-09-05 | 安徽江淮汽车集团股份有限公司 | A kind of automobile storage battery starts matching process and system |
| CN106655405A (en) * | 2017-01-19 | 2017-05-10 | 浙江邻居智能科技有限公司 | Charging maintenance structure and method of intelligent BMS lithium battery |
| CN108206310A (en) * | 2018-01-02 | 2018-06-26 | 华霆（合肥）动力技术有限公司 | Battery modules battery core repair method and device |
| CN108414926A (en) * | 2018-03-06 | 2018-08-17 | 苏州正力蔚来新能源科技有限公司 | Relay health status for quick-change power battery pack records system |
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Application publication date: 20130109 |