CN111224173A - A lithium-ion cylindrical battery formation and capacity test tool - Google Patents
A lithium-ion cylindrical battery formation and capacity test tool Download PDFInfo
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- CN111224173A CN111224173A CN201811407116.1A CN201811407116A CN111224173A CN 111224173 A CN111224173 A CN 111224173A CN 201811407116 A CN201811407116 A CN 201811407116A CN 111224173 A CN111224173 A CN 111224173A
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- lithium ion
- test tool
- cylindrical battery
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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
- H01M10/4285—Testing apparatus
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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
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- Secondary Cells (AREA)
Abstract
The invention relates to a lithium ion cylindrical battery formation and capacity grading test tool, which comprises an OCV tester, a base, a cover plate and a lifting mechanism, wherein the lifting mechanism is arranged on the base; the base is provided with a plurality of battery tanks, the tank bottoms of the battery tanks are respectively provided with a first contact piece, the cover plate is provided with a second contact piece at the position corresponding to the first contact pieces, and the first contact piece and the second contact piece are respectively electrically connected with two signal wiring ends of the OCV tester through collection lines. The invention has the beneficial effects that: the automatic control system can be operated in batch, the working time is reduced, the labor cost is saved, and the working efficiency is improved.
Description
Technical Field
The invention relates to the field of lithium ion batteries, in particular to a formation and capacity grading test tool for a lithium ion cylindrical battery.
Background
After the lithium ion cylindrical battery is produced, the voltage and internal resistance generally need to be tested, and the traditional test method is a single test, so that the single test efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing a lithium ion cylindrical battery formation and capacity grading test tool to overcome the defects in the prior art.
The technical scheme for solving the technical problems is as follows: a lithium ion cylindrical battery formation and capacity grading test tool comprises an OCV tester, a base, a cover plate and a lifting mechanism, wherein the lifting mechanism is arranged on the base, the cover plate is arranged above the base, and the cover plate is connected with the lifting mechanism; the base is provided with a plurality of battery tanks, the tank bottoms of the battery tanks are respectively provided with a first contact piece, the cover plate is provided with a second contact piece at the position corresponding to the first contact pieces, and the first contact piece and the second contact piece are respectively electrically connected with two signal wiring ends of the OCV tester through collection lines.
The invention has the beneficial effects that:
when the test device is used, the cylindrical lithium ion battery to be tested is inserted into the battery jar, one pole of the cylindrical lithium ion battery to be tested is contacted with the first contact piece, the cover plate is driven to move downwards by the aid of the lifting mechanism until the second contact piece on the cover plate is contacted with the other pole of the cylindrical lithium ion battery to be tested, the test is started, results are tested by the OCV tester, operation time can be reduced in batches, labor cost is saved, and working efficiency is improved.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the lifting mechanism is one of an air cylinder, a hydraulic cylinder, an electric push rod or a lead screw guide rail mechanism.
Further, the number of the lifting mechanisms is two, and the two lifting mechanisms are arranged on the same side of the base side by side.
The beneficial effects of the two steps are as follows: the lifting of the cover plate can be effectively completed, the structure is simple, and the stability is good.
Further, the depth of the battery groove is smaller than the length of the battery to be measured.
And the two sensors are respectively used for sensing the stroke of the two lifting mechanisms for driving the cover plate to lift, and the alarm device is electrically connected with the sensors.
The adoption of the further beneficial effects is as follows: whether the stroke of each elevating system is the same can be monitored, and the warning prompt can be given at different times so as to ensure that the second contact piece on the cover plate is in effective contact with the lithium ion cylindrical battery to be tested.
Further, still include the relay, the relay sets up on the collection line of connecting OCV tester and second contact.
Further, the number of battery wells is 6, 9, 12, 15, or 18.
And the wire harness box is electrically connected with the relay through the collecting wire.
Further, the first contact piece is a negative contact piece matched with the negative pole of the battery to be tested; the second contact piece is a positive contact piece matched with the positive pole of the battery to be tested.
Furthermore, the device also comprises a computer, and the OCV tester is electrically connected with the computer.
The adoption of the further beneficial effects is as follows: the test result is conveniently recorded, so that the test condition can be known at a later stage.
Drawings
Fig. 1 is a schematic structural diagram of a formation and capacity grading test tool for a lithium ion cylindrical battery according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. OCV tester, 2, base, 210, battery jar, 3, apron, 4, elevating system, 410, cylinder, 5, computer, 6, pencil box, 7, relay.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, a lithium ion cylindrical battery formation and capacity grading test tool comprises an OCV tester 1, a base 2, a cover plate 3 and a lifting mechanism 4, wherein, a plurality of battery slots 210 are arranged on the base 2, the number of the battery slots 210 is more than or equal to 2, such as 6, 9, 12, 15 or 18, the diameter of the battery well 210 is equal to or slightly larger than the diameter of the cylindrical battery to be tested, a first contact piece (not shown) is arranged at the bottom of each battery jar 210, the first contact piece is used for contacting with one pole of the cylindrical battery to be tested, the cover plate 3 is arranged above the base 2, and the position on the cover plate 3 corresponding to each first contact is provided with a second contact (not shown in the figure), the second contact is used for contacting with the other pole of the cylindrical battery to be tested, the lifting mechanism 4 is arranged on the base 2, and the lifting mechanism 4 is connected with the cover plate 3 so as to realize that the second contact and the first contact are close to and far away from each other. The first contact piece is electrically connected with one of the two signal terminals of the OCV tester 1 through the collection line, and the second contact piece is electrically connected with the other of the two signal terminals of the OCV tester 1 through the collection line.
In this embodiment, the above scheme may be further optimized, specifically as follows:
the lifting mechanism 4 is one of an air cylinder, a hydraulic cylinder, an electric push rod or a screw rod guide rail mechanism, preferably the air cylinder, the specific number of the air cylinders can be 2, the cylinder body end of each air cylinder is connected with the base 2, the telescopic end of each air cylinder is connected with the cover plate 3, the cover plate 3 and the base 2 are enabled to be close to and far away from each other in the telescopic process of the air cylinders, and therefore the second contact piece and the first contact piece can be indirectly close to and far away from each other. The depth of the battery slot 210 is smaller than the length of the battery to be tested, so that the battery can be conveniently taken and placed.
In addition, the lithium ion cylindrical battery formation and capacity grading test tool further comprises two sensors and an alarm device, theoretically, when the type of the lifting mechanism 4 is selected, the type of all the lifting mechanisms 4 is the same, namely all the lifting mechanisms 4 can lift synchronously, but in the actual process, all the lifting mechanisms 4 cannot lift synchronously when being used for the first time, so that the two sensors are arranged to respectively sense the stroke of the two lifting mechanisms 4 for driving the cover plate 3 to lift, the alarm device is electrically connected with the sensors, all the sensors can transmit sensing information to the alarm device, the alarm device judges whether to give an alarm or not according to the received information, if the stroke is the same, the alarm is not given, and otherwise, the alarm is given.
The lithium ion cylindrical battery formation and capacity grading test tool further comprises a relay, the relay is arranged on a collecting line connected with the OCV tester 1 and a second contact, preferably, the first contact is a negative contact matched with a negative pole column of a battery to be tested, the second contact is a positive contact matched with a positive pole column of the battery to be tested, therefore, the first contact is electrically connected with a negative signal wiring terminal of the OCV tester 1 through a negative voltage internal resistance collecting line, the second contact is electrically connected with a signal input end of the relay through a positive voltage internal resistance collecting line, and a signal output end of the relay is electrically connected with a positive signal wiring terminal of the OCV tester 1 through a positive voltage internal resistance collecting line. The lithium ion cylindrical battery formation and capacity grading test tool further comprises a computer 5, a signal output end of the OCV tester 1 is electrically connected with a signal input end of the computer 5, and the computer 5 can process data after receiving the data transmitted by the OCV tester 1 and embody the data in a form of a table.
The lithium ion cylindrical battery formation and capacity grading test tool further comprises a wiring harness box 6, each second contact piece is electrically connected with the input end of the wiring harness box 6 through a positive voltage internal resistance acquisition line, and the output end of the wiring harness box 6 is electrically connected with the signal input end of the relay through the positive voltage internal resistance acquisition line.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. The lithium ion cylindrical battery formation and capacity grading test tool is characterized by comprising an OCV tester (1), a base (2), a cover plate (3) and a lifting mechanism (4), wherein the lifting mechanism (4) is arranged on the base (2), the cover plate (3) is arranged above the base (2), and the cover plate (3) is connected with the lifting mechanism (4); be equipped with a plurality of battery jars (210) on base (2), the tank bottom of each battery jar (210) all is equipped with first contact, be equipped with the second contact with the corresponding position of each first contact on apron (3), first contact with the second contact respectively through the gathering wire with two signal wiring end electricity of OCV tester (1) are connected.
2. The lithium ion cylindrical battery formation and capacity grading test tool according to claim 1, wherein the lifting mechanism (4) is one of a cylinder, a hydraulic cylinder, an electric push rod or a lead screw guide rail mechanism.
3. The lithium ion cylindrical battery formation and capacity separation test tool according to claim 2, wherein the number of the lifting mechanisms (4) is two, and the two lifting mechanisms (4) are arranged side by side on the same side of the base (2).
4. The lithium ion cylindrical battery formation and capacity separation test tool as claimed in claim 3, wherein the depth of the battery groove (210) is smaller than the length of the battery to be tested.
5. The lithium ion cylindrical battery formation and capacity grading test tool according to claim 4, further comprising two sensors and an alarm device, wherein the two sensors are respectively used for sensing the stroke of the two lifting mechanisms (4) for driving the cover plate (3) to lift, and the alarm device is electrically connected with the sensors.
6. The lithium ion cylindrical battery formation and capacity grading test tool according to any one of claims 1 to 5, further comprising a relay disposed on a collecting line connecting the OCV tester (1) and the second contact piece.
7. The lithium ion cylindrical battery formation and capacity grading test tool according to claim 6, characterized in that the number of battery cavities (210) is 6, 9, 12, 15 or 18.
8. The lithium ion cylindrical battery formation and capacity grading test tool according to claim 7, further comprising a harness box (6), wherein each second contact is electrically connected with the harness box (6) through a collection wire, and the harness box (6) is electrically connected with the relay through a collection wire.
9. The lithium ion cylindrical battery formation and capacity grading test tool as claimed in claim 1, wherein the first contact piece is a negative contact piece matched with a negative pole of the battery to be tested; the second contact piece is a positive contact piece matched with the positive pole of the battery to be tested.
10. The lithium ion cylindrical battery formation and capacity grading test tool according to claim 1, characterized by further comprising a computer (5), wherein the OCV tester (1) is electrically connected with the computer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407116.1A CN111224173B (en) | 2018-11-23 | 2018-11-23 | A lithium-ion cylindrical battery formation and capacity testing tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407116.1A CN111224173B (en) | 2018-11-23 | 2018-11-23 | A lithium-ion cylindrical battery formation and capacity testing tool |
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| CN111224173A true CN111224173A (en) | 2020-06-02 |
| CN111224173B CN111224173B (en) | 2025-07-01 |
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2018
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| CN111224173B (en) | 2025-07-01 |
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Country or region after: China Address after: 056300 dongchangyuan village, Wu'an city, Handan City, Hebei Province Applicant after: Handan Branch of Zhuhai Guangtong Co.,Ltd. Applicant after: Gree titanium new energy Co.,Ltd. Address before: 056300 dongchangyuan village, Wu'an city, Handan City, Hebei Province Applicant before: Handan Branch of Zhuhai Guangtong Co.,Ltd. Country or region before: China Applicant before: YINLONG ENERGY Co.,Ltd. |
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