CN201548668U - Retest-free high-efficiency voltage/internal resistance testing system of battery - Google Patents
Retest-free high-efficiency voltage/internal resistance testing system of battery Download PDFInfo
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- CN201548668U CN201548668U CN2009202501150U CN200920250115U CN201548668U CN 201548668 U CN201548668 U CN 201548668U CN 2009202501150 U CN2009202501150 U CN 2009202501150U CN 200920250115 U CN200920250115 U CN 200920250115U CN 201548668 U CN201548668 U CN 201548668U
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Abstract
The utility model discloses a retest-free high-efficiency voltage/internal resistance testing system of a battery, which can automatically retest an abnormal battery beyond a normal voltage/internal resistance range, and obtain correct voltage/internal resistance data of the battery, thereby improving the battery production efficiency, saving computers and production sites, and greatly reducing the overall production cost of the battery. Therefore, the utility model has great significance for production and practice.
Description
Technical field
The utility model relates to the battery technology field, particularly relates to a kind of efficient voltage resistance test system of the repetition measurement formula of exempting from of battery.
Background technology
Advantages such as lithium ion battery has high working voltage, high-energy-density, energy density is big, output power is high, have extended cycle life, non-environmental-pollution, not only on portable communication apparatus and portable electric appts, be used widely, and be widely used in big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool, therefore more and more higher to the performance requirement of lithium ion battery, be the main direction of present each macrocell producer development.
In the large-scale production process of lithium ion battery, need the voltage and the internal resistance of battery be detected,, illustrate that so battery is unusual if the voltage of battery and/or internal resistance exceed normal scope, thereby can improve the up-to-standard rate of battery production by filtering out unusual battery.
There is bigger drawback at present domestic lithium ion battery manufacturer employed lithium ion battery voltage internal resistance auto testing instrument, mainly shows following several aspect:
1, probe damages easily.Under the situation that battery is produced in enormous quantities, through after a while, probe very easily sustains damage.The consequence that probe damage causes is that voltage internal resistance test value is inaccurate, for production management and product quality hide some dangers for.
2, the battery repetition measurement is wasted time and energy and is had risk.Because the probe damage causes battery data to transfinite, the unusual battery for the super normal range that partly can discern need manually carry out manual test once more.Owing to be the voltage internal resistance repetition measurement that manually carries out battery, test speed naturally can be more much lower than automatic test, and reduced the accuracy of test, for example the operator takes battery by mistake easily, thereby cause the voltage internal resistance repetition measurement data of battery to make a mistake, can't obtain correct cell voltage internal resistance data.
3, operator's efficient of working is not high.In the voltage internal resistance test process of existing equipment, when battery testing, the operator is in idle condition, and when the needs repetition measurement, the operator is in running order, and equipment is in idle condition.Cause production efficiency low.
4, there are the error risk in the storage of the information such as voltage internal resistance data of battery and transmission.Because the information in the test process reads, the transfer of the data importing in the repetition measurement process, the memory location of data and data and transmission are all manually imported and are finished by operating personnel, and therefore, the reliability of data is low, makes mistakes easily.
Therefore 5, by a computer cell voltage internal resistance auto testing instrument is controlled, taken computer resource and the production site resource is too much.
Therefore, the current a kind of system that develops that presses for, it can automatically detect the unusual battery that exceeds normal voltage and/or internal resistance scope once more, obtains correct cell voltage internal resistance data, improve the production efficiency of battery, and save computer and production site.
The utility model content
In view of this, the purpose of this utility model provides a kind of efficient voltage resistance test system of the repetition measurement formula of exempting from of battery, it can automatically carry out repetition measurement to the unusual battery that exceeds normal voltage and/or internal resistance scope, obtain correct cell voltage internal resistance data, improve the production efficiency of battery, and save computer and production site, greatly reduce the integral production cost of battery, be of great practical significance.
For this reason, the utility model provides a kind of efficient voltage resistance test system of the repetition measurement formula of exempting from of battery, comprising:
At least one cell voltage internal resistance test device, described every cell voltage internal resistance test device is provided with at least one cover test needle-bar, described every cover test is with having many group probes on the needle-bar, every group of probe and a battery to be tested join, also be provided with voltage table and internal resistance table on described every cell voltage internal resistance test device, described voltage table is connected with the probe on the needle-bar with described test with the internal resistance table;
Control computer, be connected with at least one cell voltage internal resistance test device, the described voltage table and the internal resistance table that are used to control on the described cell voltage internal resistance test device detect with the battery to be tested that every group of probe on the needle-bar is connected described every cover test, obtain the magnitude of voltage and the internal resistance value of each battery to be tested, then with the magnitude of voltage of each battery to be tested and internal resistance value respectively with predeterminated voltage value scope, default internal resistance value scope is compared, whenever comparative result shows that the magnitude of voltage of a battery to be tested exceeds predeterminated voltage value scope and/or internal resistance value exceeds default internal resistance value scope, this magnitude of voltage and internal resistance value that unusual battery occurs is detected once more.
Preferably, described control computer is when the magnitude of voltage that shows a battery to be tested whenever comparative result exceeds predeterminated voltage value scope and/or internal resistance value and exceeds default internal resistance value scope, the position of unusual battery should appear in real time record, after all battery testings to be tested finish, and then magnitude of voltage and the internal resistance value that wherein occurs the abnormal electrical pond detected once more.
Preferably, every cell voltage internal resistance test device is provided with two cover test needle-bars.
Preferably, described probe groups is for adopting the probe groups of six pin four-wire systems.
The technical scheme that is provided by above the utility model as seen, compared with prior art, the utility model provides a kind of efficient voltage resistance test system of the repetition measurement formula of exempting from of battery, it can automatically carry out repetition measurement to the unusual battery that exceeds normal voltage and/or internal resistance scope, obtain correct cell voltage internal resistance data, improve the production efficiency of battery, and save computer and production site, greatly reduce the integral production cost of battery, be of great practical significance.
Description of drawings
The structural representation of exempting from the efficient voltage resistance test system of repetition measurement formula of a kind of battery that Fig. 1 provides for the utility model.
Embodiment
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with drawings and embodiments.
The structural representation of exempting from the efficient voltage resistance test system of repetition measurement formula of a kind of battery that Fig. 1 provides for the utility model.
Referring to Fig. 1, the utility model provides a kind of efficient voltage resistance test system of the repetition measurement formula of exempting from of battery, and this system comprises:
At least one cell voltage internal resistance test device 101, described every cell voltage internal resistance test device is provided with two cover test needle-bars, described every cover test is with having many group probes on the needle-bar, every group of probe and a battery to be tested join, also be provided with voltage table and internal resistance table on described every cell voltage internal resistance test device, described voltage table is connected with the probe on the needle-bar with described two cover tests with the internal resistance table;
In the utility model, whether described voltage table and internal resistance table and described two cover tests are communicated with being controlled by a plurality of relay switches between the probe on the needle-bar.
In the utility model, described probe groups is for adopting the probe groups of six pin four-wire systems.
Need to prove, when the magnitude of voltage of battery to be tested exceeds predeterminated voltage value scope and/or internal resistance value and exceeds default internal resistance value scope, illustrate that battery is unusual.
In the utility model, each battery all has the range of voltage values and the internal resistance value scope of regulation in specific operation.For example, before shipment, the magnitude of voltage of a battery must be in 3305mv arrives the specialized range of 3315mv (millivolt), internal resistance value must be at 10mohm to 20mohm (milliohm), if the magnitude of voltage of a battery or internal resistance value exceed within the above-mentioned scope, illustrate that this battery is qualified, if the magnitude of voltage of a battery or internal resistance value exceed this scope, illustrate that then this battery is underproof unusually, and the magnitude of voltage of battery, internal resistance value are to obtain by voltage table and the test of internal resistance table that is placed on cell voltage internal resistance test device equipment the inside.
In the utility model, described predeterminated voltage value scope, default internal resistance value scope can preestablish according to user's needs, can set different predeterminated voltage value scopes, default internal resistance value scope respectively in different operations for the battery of different moneys.
In the utility model, on the specific implementation, described control computer 102 is when the magnitude of voltage that shows a battery to be tested whenever comparative result exceeds predeterminated voltage value scope and/or internal resistance value and exceeds default internal resistance value scope, the position of unusual battery should appear in real time record, after all battery testings to be tested finish, and then magnitude of voltage and the internal resistance value that wherein occurs the abnormal electrical pond detected once more, finally obtain correct magnitude of voltage of all batteries to be tested and internal resistance value.
Need to prove that the position that the probe groups that the position of unusual battery can be connected by this unusual battery occurs determines, it is identical the probe groups position that the position of unusual battery is connected with it to occur.Therefore, control computer 102 can be by being numbered with probe groups all on the needle-bar test, the numbering of the probe groups that unusual battery is connected appears in real time record then, according to the probe groups numbering of this record, the battery that the corresponding probe groups of this numbering is connected carries out the detection of magnitude of voltage and internal resistance value once more.
Need to prove, control computer can be correct according to all batteries to be tested of final acquisition magnitude of voltage and internal resistance value, correctly filter out magnitude of voltage and exceed the battery to be tested that predeterminated voltage value scope and/or internal resistance value exceed default internal resistance value scope, perhaps all test batteries are divided into different class.
In the utility model, on the specific implementation, can once detect 256 batteries to be tested, if the magnitude of voltage of some batteries to be tested exceeds predeterminated voltage value scope and/or internal resistance value exceeds default internal resistance value scope, control computer is understood the particular location of this unusual defective battery of real time record so.
After the repetition measurement action is finished, magnitude of voltage and internal resistance value after the cell voltage internal resistance test device can be tested unusual battery again send to control computer by serial ports, control computer will occur that unusual battery is tested the magnitude of voltage of acquisition again and internal resistance value is stored as the last True Data that unusual battery occurs, remove and obtain magnitude of voltage and internal resistance value when at first testing, therefore can avoid bad value that probe is obtained with the battery loose contact foundation, filter out correctly that magnitude of voltage exceeds predeterminated voltage value scope and/or internal resistance value exceeds the battery to be tested of presetting the internal resistance value scope as battery combination or sorting.
For the utility model, because the integrated two cover test needle-bars that are provided with on the cell voltage internal resistance test device 101, therefore when a cover needle-bar is tested, the operator can carry out the operation of feeding and discharging of battery to another set of system, eliminate operator's stand-by period, improved the detection efficiency of battery greatly.
In the utility model, as mentioned above, when a plurality of batteries to be tested are detected, when the battery of magnitude of voltage and/or internal resistance value unusual (promptly surpassing preset range) occurring, control computer can unusual battery to be tested occur by automatic repetition measurement, to obtain correct magnitude of voltage and the internal resistance value that this unusual battery occurs, magnitude of voltage exceeds predeterminated voltage value scope and/or internal resistance value exceeds the battery to be tested of presetting the internal resistance value scope correctly to filter out, and avoids occurring the mistake screening.
In the utility model, a control computer 102 has been controlled many cell voltage internal resistance test devices 101, control computer 102 is responsible for to cell voltage internal resistance test device 101 sending controling instructions and receives detecting battery voltage value and the internal resistance value that obtains, the operator only need carry out the material loading and the blanking operation of battery, therefore, not only can save the quantity of computing machine, also improve operator's work efficiency, the most important thing is to have realized operational fool proof.
Therefore, as mentioned above, the repetition measurement formula of the exempting from voltage resistance test system that is used for battery testing, class sorting, combination pairing field that the utility model provides, not only improved operating personnel efficiency, avoided owing to manually-operated has brought variety of issue, and saved production cost, improved the automatization level of product quality and production line.
In sum, the technical scheme that is provided by above the utility model as seen, compared with prior art, the utility model provides a kind of efficient voltage resistance test system of the repetition measurement formula of exempting from of battery, and it can automatically carry out repetition measurement to the unusual battery that exceeds normal voltage and/or internal resistance scope, obtains correct cell voltage internal resistance data, improve the production efficiency of battery, and save computer and production site, greatly reduce the integral production cost of battery, be of great practical significance.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. the efficient voltage resistance test system of the repetition measurement formula of exempting from of a battery is characterized in that, comprising:
At least one cell voltage internal resistance test device, described every cell voltage internal resistance test device is provided with at least one cover test needle-bar, described every cover test is with having many group probes on the needle-bar, every group of probe and a battery to be tested join, also be provided with voltage table and internal resistance table on described every cell voltage internal resistance test device, described voltage table is connected with the probe on the needle-bar with described test with the internal resistance table;
Control computer, be connected with at least one cell voltage internal resistance test device, the described voltage table and the internal resistance table that are used to control on the described cell voltage internal resistance test device detect with the battery to be tested that every group of probe on the needle-bar is connected described every cover test, obtain the magnitude of voltage and the internal resistance value of each battery to be tested, then with the magnitude of voltage of each battery to be tested and internal resistance value respectively with predeterminated voltage value scope, default internal resistance value scope is compared, whenever comparative result shows that the magnitude of voltage of a battery to be tested exceeds predeterminated voltage value scope and/or internal resistance value exceeds default internal resistance value scope, this magnitude of voltage and internal resistance value that unusual battery occurs is detected once more.
2. test macro as claimed in claim 1, it is characterized in that, described control computer is when the magnitude of voltage that shows a battery to be tested whenever comparative result exceeds predeterminated voltage value scope and/or internal resistance value and exceeds default internal resistance value scope, the position of unusual battery should appear in real time record, after all battery testings to be tested finish, and then magnitude of voltage and the internal resistance value that wherein occurs the abnormal electrical pond detected once more.
3. test macro as claimed in claim 1 is characterized in that, every cell voltage internal resistance test device is provided with two cover test needle-bars.
4. test macro as claimed in claim 1 is characterized in that, described probe groups is for adopting the probe groups of six pin four-wire systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202501150U CN201548668U (en) | 2009-11-10 | 2009-11-10 | Retest-free high-efficiency voltage/internal resistance testing system of battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202501150U CN201548668U (en) | 2009-11-10 | 2009-11-10 | Retest-free high-efficiency voltage/internal resistance testing system of battery |
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| CN201548668U true CN201548668U (en) | 2010-08-11 |
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| CN2009202501150U Expired - Lifetime CN201548668U (en) | 2009-11-10 | 2009-11-10 | Retest-free high-efficiency voltage/internal resistance testing system of battery |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033183A (en) * | 2010-12-21 | 2011-04-27 | 天津力神电池股份有限公司 | Method for detecting abnormal points of device |
| CN103336244A (en) * | 2013-06-13 | 2013-10-02 | 天津力神电池股份有限公司 | Lithium Ion battery voltage, internal resistance and shell resistance comprehensive test device |
| CN103576092A (en) * | 2012-07-20 | 2014-02-12 | 珠海格力电器股份有限公司 | Remote controller and battery capacity detection device and method thereof |
| CN105699774A (en) * | 2016-01-30 | 2016-06-22 | 埃斯倍风电科技(青岛)有限公司 | Method for calibrating internal resistance initial value for pitch system battery pack |
| CN106597315A (en) * | 2017-01-25 | 2017-04-26 | 天津市捷威动力工业有限公司 | Electric connection contact reliability detecting method |
| CN109100540A (en) * | 2018-06-14 | 2018-12-28 | 南京日托光伏科技股份有限公司 | A kind of MWT battery plug-hole bad test fixture and its application method |
| CN109581232A (en) * | 2018-12-12 | 2019-04-05 | 江苏时代新能源科技有限公司 | A method of determining that can battery core repetition measurement |
| WO2020062239A1 (en) * | 2018-09-30 | 2020-04-02 | Oppo广东移动通信有限公司 | Charging device test system and method |
| CN111282852A (en) * | 2020-02-21 | 2020-06-16 | 天津力神电池股份有限公司 | Test screening and grade judging method for lithium ion battery |
-
2009
- 2009-11-10 CN CN2009202501150U patent/CN201548668U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033183A (en) * | 2010-12-21 | 2011-04-27 | 天津力神电池股份有限公司 | Method for detecting abnormal points of device |
| CN103576092A (en) * | 2012-07-20 | 2014-02-12 | 珠海格力电器股份有限公司 | Remote controller and battery capacity detection device and method thereof |
| CN103336244A (en) * | 2013-06-13 | 2013-10-02 | 天津力神电池股份有限公司 | Lithium Ion battery voltage, internal resistance and shell resistance comprehensive test device |
| CN105699774A (en) * | 2016-01-30 | 2016-06-22 | 埃斯倍风电科技(青岛)有限公司 | Method for calibrating internal resistance initial value for pitch system battery pack |
| CN105699774B (en) * | 2016-01-30 | 2020-12-08 | 埃斯倍风电科技(青岛)有限公司 | Method for calibrating internal resistance initial value of battery pack of variable pitch system |
| CN106597315A (en) * | 2017-01-25 | 2017-04-26 | 天津市捷威动力工业有限公司 | Electric connection contact reliability detecting method |
| CN109100540A (en) * | 2018-06-14 | 2018-12-28 | 南京日托光伏科技股份有限公司 | A kind of MWT battery plug-hole bad test fixture and its application method |
| WO2020062239A1 (en) * | 2018-09-30 | 2020-04-02 | Oppo广东移动通信有限公司 | Charging device test system and method |
| US11391786B2 (en) | 2018-09-30 | 2022-07-19 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Test system and method for charging device |
| CN109581232A (en) * | 2018-12-12 | 2019-04-05 | 江苏时代新能源科技有限公司 | A method of determining that can battery core repetition measurement |
| CN109581232B (en) * | 2018-12-12 | 2020-12-22 | 江苏时代新能源科技有限公司 | Method for judging whether battery cell can be retested or not |
| CN111282852A (en) * | 2020-02-21 | 2020-06-16 | 天津力神电池股份有限公司 | Test screening and grade judging method for lithium ion battery |
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| GR01 | Patent grant | ||
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Granted publication date: 20100811 |