CN107706474A - A kind of method of testing of Fast Evaluation electrokinetic cell system connection row contact quality - Google Patents
A kind of method of testing of Fast Evaluation electrokinetic cell system connection row contact quality Download PDFInfo
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- CN107706474A CN107706474A CN201710882866.3A CN201710882866A CN107706474A CN 107706474 A CN107706474 A CN 107706474A CN 201710882866 A CN201710882866 A CN 201710882866A CN 107706474 A CN107706474 A CN 107706474A
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- Prior art keywords
- temperature
- connection row
- electrokinetic cell
- testing
- battery system
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Classifications
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- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H01M10/4285—Testing apparatus
-
- 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
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- 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 present invention relates to the method for testing that a kind of Fast Evaluation electrokinetic cell system connects row's contact quality, it is included in battery system and chooses equally distributed some monitoring points close to connection row's contact point, monitoring point temperature is monitored, the temperature reception system being connected in battery system with temperature sensor receives monitoring point temperature；Battery system is charged with the maximum current that can be born and/or battery system is discharged with the maximum current that can be born；Temperature reception system receives and compares monitoring point temperature, if temperature is normal, judges that connection row's contact is good；If monitoring point temperature anomaly, judge that connection row's contact is abnormal.By implementing the present invention, connection row and the total quality just with total cathode contact of battery modules of electrokinetic cell system can be quickly judged, guarantee is provided for whole battery system temperature uniformity and security, improves the security in vehicle traveling.
Description
Technical field
The present invention relates to electrokinetic cell system testing field, more specifically to a kind of Fast Evaluation electrokinetic cell system
The method of testing of system connection row's contact quality.
Background technology
As country puts into effect in succession to the regulation of energy-saving and emission-reduction, the attention to new-energy automobile is also more and more obvious.But
The security incident of recent new energy car takes place frequently, and causes consumer to hang back new energy.And the potential safety hazard master of new energy car
Come from electrokinetic cell bag, therefore the safety of electrokinetic cell bag is just particularly important.
The safety of electrokinetic cell bag mainly includes thermally safe, electric safety and machine security.Wherein for electricity in machine security
Tightness in the package dress of pond between each connector is a very important content.And each connector especially row of connection with
The tightness of battery core connection just needs a simple method to go to determine.
The content of the invention
The technical problem to be solved in the present invention is that the above-mentioned judgement that can not be quick and easy for prior art connects row
A kind of the defects of tightness being connected with battery core, there is provided test side of Fast Evaluation electrokinetic cell system connection row contact quality
Method.
The technical solution adopted for the present invention to solve the technical problems is：A kind of Fast Evaluation electrokinetic cell system is constructed to connect
The method of testing for contact quality of running in, including：
S1, equally distributed some monitoring points are chosen close to connection row's contact point in battery system, monitoring is described some
Monitoring point temperature, the interior temperature reception system being connected with temperature sensor of battery system receive some monitoring point temperature；
S2, battery system input connection charging circuit, are entered to the battery system with the maximum current that can be born
Row charging；And/or
The battery system output end connects discharge circuit, and the battery system is put with the maximum current that can be born
Electricity；
S3, the temperature reception system receives and some monitoring point temperature；
If S4, some monitoring point temperature are temperature normals, judge that the connection row contact is good；
If temperature anomaly value occur in S5, some monitoring point temperature, judge that the connection row contact is abnormal.
Preferably, after the step S5, following steps are also performed：
S6, readjust the connection row and battery modules in the battery system it is total just and it is total it is negative between fastening
Power；
And return and perform the step S2.
Preferably, some monitoring points are chosen at the battery modules and always just and always bear surrounding.
Preferably, in the step S2：
The charging interval that the battery system is charged with the maximum current that can be born is less than or equal to 5 minutes；
The discharge time that the battery system is discharged with the maximum current that can be born is less than or equal to 5 minutes.
Preferably, the temperature anomaly value refers to that the monitoring point temperature heating is quick, and than adjacent monitoring point or all
The average value of most of similar temperatures in monitoring point is higher by the first setting value；
The temperature normals refer to the monitoring point temperature with adjacent monitoring point temperature or with it is big in all monitoring points
The setting value of average value second of most similar temperatures.
Preferably, first setting value is 3-10 DEG C, and second setting value is 0-3 DEG C.
Preferably, described temperature sensor is that industrial thermocouple temperature sensor or industrial thermoelectric hinder temperature sensor.
Preferably, the thermocouple temperature sensor includes K, E, J, N, B, S, R or T-shaped number；
The thermal resistance temperature sensor includes Pt100, Pt10, Cu50 or Cu100.
Preferably, the temperature reception system is battery management system.
Preferably, before the step S1 is performed, following operate also is performed：
The battery system is vibrated, including carries out shake table vibration, vehicle-mounted transport, and/or falls from high altitude.
Implement a kind of method of testing of Fast Evaluation electrokinetic cell system connection row's contact quality of the present invention, have following
Beneficial effect：It is quick to find out that electrokinetic cell system connection row whether there is abnormal heating, judge the connection row of electrokinetic cell system
It is total just with total cathode contact quality with battery modules, guarantee is provided for whole battery system temperature uniformity and security, is carried
Security in high vehicle traveling.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is a kind of embodiment of method of testing one of Fast Evaluation electrokinetic cell system connection row contact quality of the present invention
Schematic flow sheet.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now compares accompanying drawing and describe in detail
The embodiment of the present invention.
A kind of as shown in figure 1, method of testing of Fast Evaluation electrokinetic cell system connection row's contact quality in the present invention
Schematic flow sheet, be specifically：
S1, equally distributed some monitoring points are chosen close to connection row's contact point in battery system, monitor monitoring point temperature
Degree, the interior temperature reception system being connected with temperature sensor of battery system receive monitoring point temperature；
S2, battery system input connection charging circuit, are charged to battery system with the maximum current that can be born；
And/or
The battery system output end connects discharge circuit, and battery system is discharged with the maximum current that can be born；
S3, temperature reception system receive and compare monitoring point temperature；
If S4, monitoring point temperature are temperature normals, judge that connection row's contact is good；
If temperature anomaly value occur in S5, monitoring point temperature, judge that connection row's contact is abnormal.
In the present embodiment, when judging that the contact of the row of connection is abnormal, step S6 is performed, readjusts connection row and the battery
Battery modules in system it is total just and it is total it is negative between fastening force, and return and perform step S2 and subsequent step, until can sentence
The contact of fixed connection row is good, terminates whole testing process.
The test mode of the present invention, it is to utilize electrically and thermally conversion formula Q=I2R, by converting electrical signals to thermal signal
And to judge, the connection row of electrokinetic cell system and battery modules are total to bear just and always the quality contacted by visual temperature.When applying
When adding identical electric current, heat caused by different contact resistances is different.Under the same terms, the temperature of monitoring point is higher, then should
The contact resistance of monitoring point is bigger, then can be determined that according to this connection row and battery modules it is total just and it is total it is negative between contact it is bad,
Sometimes, it might even be possible to according to the temperature anomaly of certain point, determine the contact exception of some contact point, done with facilitating
Go out adjustment.
In the present embodiment, temperature monitoring point is arranged on the total of the battery modules in battery system and just and always bears surrounding, to the greatest extent
Amount is close to connection row and total just and always negative contact point, naturally it is also possible to which being placed on other does not influence to be convenient for measuring temperature using and can
The place of degree and temperature difference.During monitoring temperature, when battery system progress charge and discharge is electrically operated, it be able to can be held with battery system
The charging interval that the maximum current received is charged is less than or equal to 5 minutes；Or the maximum current that can bear is discharged
Discharge time be less than or equal to 5 minutes, or the maximum current that can bear first charged and put again with the maximum current that can be born
Electricity, charge or discharge time can be selected to be less than or equal to 5 minutes, and the charging interval here can also be carried out certainly as needed
Row sets selection.Here maximum current refers to the maximum charge or discharge current that electrokinetic cell system can bear, generally 2-
10C, value here can also be according to the selection of actual conditions progress occurrence.
When being attached judgement, temperature anomaly value refers to that monitoring point temperature heating is quick, and than adjacent monitoring point or institute
The average value for having most of similar temperatures in monitoring point is higher by 3-10 DEG C；Temperature normals refers to monitoring point temperature and adjacent prison
Measuring point temperature or 0-3 DEG C of the average value with most of similar temperatures in all monitoring points, here according to battery system
Difference, can by the value range of the average value for the most of similar temperatures being higher by all monitoring points, and with all monitoring points
The value ranges of average value of most of similar temperatures select other suitable setting values.
The temperature sensor that this method uses can be the industrial thermocouple TEMP of K, E, J, N, B, S, R or T-shaped numbers
Device, or temperature sensor is hindered for the industrial thermoelectric such as Pt100, Pt10, Cu50 or Cu100, naturally it is also possible to select other models and
The temperature sensor of purposes.The battery management system in temperature reception system preferred battery system being connected with temperature sensor,
It can also be provided that other can receive the instrument or device of temperature signal.
Before the method for testing of the present embodiment is performed, vibration test can also be carried out to battery system, including shaken
Dynamic platform vibration, vehicle-mounted transport fall from high altitude, can with single experiment, can also multiple test combinations carry out, further to test
Card connection row's tightness, naturally it is also possible to other reliability tests are carried out, to verify the tightness of connection from many aspects.
It should be understood that above example only expresses the preferred embodiment of the present invention, it describes more specific and detailed
Carefully, but the limitation to the scope of the claims of the present invention therefore can not be interpreted as；It should be pointed out that the common skill for this area
For art personnel, without departing from the inventive concept of the premise, independent assortment can be carried out to above-mentioned technical characterstic, can also done
Go out several modifications and improvements, these belong to protection scope of the present invention；Therefore, it is all to be done with scope of the invention as claimed
Equivalents and modification, the covering scope of the claims in the present invention all should be belonged to.
Claims (10)
1. a kind of method of testing of Fast Evaluation electrokinetic cell system connection row contact quality, it is characterised in that including following step
Suddenly：
S1, equally distributed some monitoring points are chosen close to connection row's contact point in battery system, monitor some monitorings
Point temperature, the interior temperature reception system being connected with temperature sensor of battery system receive some monitoring point temperature；
S2, battery system input connection charging circuit, are filled to the battery system with the maximum current that can be born
Electricity；And/or
The battery system output end connects discharge circuit, and the battery system is discharged with the maximum current that can be born；
S3, the temperature reception system receives and some monitoring point temperature；
If S4, some monitoring point temperature are temperature normals, judge that the connection row contact is good；
If temperature anomaly value occur in S5, some monitoring point temperature, judge that the connection row contact is abnormal.
2. the method for testing of Fast Evaluation electrokinetic cell system connection row contact quality according to claim 1, its feature
It is, after the step S5, also performs following steps：
S6, readjust the connection row and battery modules in the battery system it is total just and it is total it is negative between fastening force；
And return and perform the step S2.
3. the method for testing of Fast Evaluation electrokinetic cell system connection row contact quality according to claim 2, its feature
It is, some monitoring points are chosen at the battery modules and always just and always bear surrounding.
4. the method for testing of Fast Evaluation electrokinetic cell system connection row contact quality according to claim 3, its feature
It is, in the step S2：
The charging interval that the battery system is charged with the maximum current that can be born is less than or equal to 5 minutes；
The discharge time that the battery system is discharged with the maximum current that can be born is less than or equal to 5 minutes.
5. the method for testing of Fast Evaluation electrokinetic cell system connection row contact quality according to claim 4, its feature
It is,
The temperature anomaly value refers to that the monitoring point temperature heating is quick, and than in adjacent monitoring point or all monitoring points
The average value of most of similar temperatures is higher by the first setting value；
The temperature normals refer to the monitoring point temperature and adjacent monitoring point temperature or with it is most of in all monitoring points
The setting value of average value second of similar temperature.
6. the method for testing of Fast Evaluation electrokinetic cell system connection row contact quality according to claim 5, its feature
It is, first setting value is 3-10 DEG C, and second setting value is 0-3 DEG C.
7. the method for testing of Fast Evaluation electrokinetic cell system connection row contact quality according to claim 6, its feature
It is, described temperature sensor is that industrial thermocouple temperature sensor or industrial thermoelectric hinder temperature sensor.
8. the method for testing of Fast Evaluation electrokinetic cell system connection row contact quality according to claim 7, its feature
It is,
The thermocouple temperature sensor includes K, E, J, N, B, S, R or T-shaped number；
The thermal resistance temperature sensor includes Pt100, Pt10, Cu50 or Cu100.
9. the test side of Fast Evaluation electrokinetic cell system connection row's contact quality according to claim any one of 1-8
Method, it is characterised in that the temperature reception system is battery management system.
10. the method for testing of Fast Evaluation electrokinetic cell system connection row contact quality according to claim 9, its feature
It is, before the step S1 is performed, also performs following operate：
The battery system is vibrated, including carries out shake table vibration, vehicle-mounted transport, and/or falls from high altitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882866.3A CN107706474A (en) | 2017-09-26 | 2017-09-26 | A kind of method of testing of Fast Evaluation electrokinetic cell system connection row contact quality |
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| CN201710882866.3A CN107706474A (en) | 2017-09-26 | 2017-09-26 | A kind of method of testing of Fast Evaluation electrokinetic cell system connection row contact quality |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110221164A (en) * | 2019-04-30 | 2019-09-10 | 蜂巢能源科技有限公司 | Detect the system and method for copper bar connection in battery pack |
| CN110261725A (en) * | 2019-07-09 | 2019-09-20 | 杭州微慕科技有限公司 | A method of detection prediction battery system connection reliability |
| CN112596001A (en) * | 2020-12-07 | 2021-04-02 | 欣旺达电动汽车电池有限公司 | Method and device for detecting looseness of module connecting row and computer equipment |
| CN113960500A (en) * | 2021-08-24 | 2022-01-21 | 欣旺达电子股份有限公司 | Detection circuit, detection system and detection method |
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| CN102944576A (en) * | 2012-11-19 | 2013-02-27 | 英利能源（中国）有限公司 | Test method for welding defects of solar cell string |
| CN104749482A (en) * | 2015-03-25 | 2015-07-01 | 中航锂电（洛阳）有限公司 | Method for testing welding reliability of battery core |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221164A (en) * | 2019-04-30 | 2019-09-10 | 蜂巢能源科技有限公司 | Detect the system and method for copper bar connection in battery pack |
| CN110261725A (en) * | 2019-07-09 | 2019-09-20 | 杭州微慕科技有限公司 | A method of detection prediction battery system connection reliability |
| CN110261725B (en) * | 2019-07-09 | 2021-11-26 | 杭州微慕科技有限公司 | Method for detecting and predicting connection reliability of battery system |
| CN112596001A (en) * | 2020-12-07 | 2021-04-02 | 欣旺达电动汽车电池有限公司 | Method and device for detecting looseness of module connecting row and computer equipment |
| CN112596001B (en) * | 2020-12-07 | 2022-10-28 | 欣旺达电动汽车电池有限公司 | Method and device for detecting looseness of module connecting row and computer equipment |
| CN113960500A (en) * | 2021-08-24 | 2022-01-21 | 欣旺达电子股份有限公司 | Detection circuit, detection system and detection method |
| CN113960500B (en) * | 2021-08-24 | 2024-03-22 | 欣旺达电子股份有限公司 | Detection circuit, detection system and detection method |
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Effective date of registration: 20180614 Address after: 518000 Shenzhen City, Pingshan District, Guangdong Province, Pingshan District, Pingshan street, six joint Baoshan Road junction, Baoshan Road, No. 16, No. 02, 1 floor, 1 floor, 2 and 02 District 2-4. Applicant after: SHENZHEN GUOCHUANG POWER SYSTEM CO., LTD. Address before: 518000 Guangdong Shenzhen Futian District Hua Fu Street, Cai Tian Road 7018 New Hao E 44 building. Applicant before: Shenzhen man Jing venture capital consulting enterprise (limited partnership) |
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Application publication date: 20180216 |