CN107422217B - Battery piece testing mechanism - Google Patents
Battery piece testing mechanism Download PDFInfo
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- CN107422217B CN107422217B CN201710831290.8A CN201710831290A CN107422217B CN 107422217 B CN107422217 B CN 107422217B CN 201710831290 A CN201710831290 A CN 201710831290A CN 107422217 B CN107422217 B CN 107422217B
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- battery piece
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Investigating Or Analysing Biological Materials (AREA)
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Abstract
The invention discloses a battery piece testing mechanism, which is characterized in that front and back electrodes of a battery piece are not corresponding, the testing mechanism comprises a vertical plate, an upper testing probe assembly and a lower testing probe assembly, wherein the upper testing probe assembly and the lower testing probe assembly slide up and down on the vertical plate; the test mechanism further comprises a virtual connection probe, wherein the virtual connection probe is fixed on the upper probe row and corresponds to the lower probe, or the virtual connection probe is fixed on the lower probe row and corresponds to the upper probe, and the upper probe, the lower probe and the virtual connection probe are all propped against the battery piece during test. The battery piece testing mechanism is simple in structure, and can balance the stress of the upper surface and the lower surface of the battery piece when the battery piece is tested, so that the piece breakage rate of the battery piece is reduced.
Description
Technical Field
The invention relates to the technical field of battery piece manufacturing, in particular to a battery piece testing mechanism.
Background
After the positive and negative electrodes of the battery piece are manufactured, the battery piece is required to be divided into various grades according to the power generation efficiency of the battery piece, so that the subsequent assembly and the price determination of the battery piece are facilitated, the finished battery piece can be packaged after the efficiency grades are distinguished, the efficiency of the battery piece can be tested by the battery piece testing mechanism, the efficiency interval of the battery piece is distinguished, and the pricing of the battery piece is determined by the efficiency of the battery piece.
In the prior art, the battery piece testing mechanism comprises an upper test probe assembly capable of lifting up and down and a lower test probe assembly capable of lifting up and down, the upper test probe assembly is located above the battery piece, the lower test probe assembly is located below the battery piece, during testing, the upper test probe assembly and the lower test probe assembly move in opposite directions to clamp the battery piece for testing, the positive electrode structure and the negative electrode structure of the battery piece tested by the battery piece testing mechanism are corresponding, and during testing, the forces acting on the battery piece by the upper test probe assembly and the lower test probe assembly can be offset mutually, so that the battery piece is prevented from being broken.
However, the testing mechanism has a certain limitation, and only the battery piece corresponding to the front and back electrode structure can be tested, and the battery piece which is not corresponding to the front and back electrode structure, such as a shingled battery, is easy to break due to uneven stress of the battery piece up and down.
Disclosure of Invention
The invention aims to provide a battery piece testing mechanism capable of testing battery pieces which are not corresponding to a front electrode structure and a back electrode structure, aiming at the problems in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a battery piece testing mechanism, the positive and negative electrode structures of the battery piece are not corresponding, the testing mechanism comprises a vertical plate, an upper testing probe assembly and a lower testing probe assembly which are arranged on the vertical plate in a sliding manner along the up-down direction, the upper testing probe assembly is positioned above the battery piece, the lower testing probe assembly is positioned below the battery piece, the upper testing probe assembly comprises an upper probe row which is arranged on the vertical plate in a sliding manner along the up-down direction and a plurality of upper probes which are fixedly arranged on the upper probe row, the lower testing probe assembly comprises a lower probe row which is arranged on the vertical plate in a sliding manner along the up-down direction and a plurality of lower probes which are fixedly arranged on the lower probe row, the positions of the upper probes on the upper probe row are corresponding to the electrodes on the positive surface of the battery piece, the positions of the lower probes on the lower probe row are corresponding to the electrodes on the negative surface of the battery piece, and when in a testing, the upper probes are conducted between the upper probes and the battery piece and the electrodes on the negative surface of the battery piece are conducted between the upper probes and the battery piece and the electrode on the negative surface of the battery piece; the test mechanism further comprises a plurality of virtual connection probes, the virtual connection probes are not conducted, the virtual connection probes are fixedly arranged on the upper probe row, the positions of the virtual connection probes on the upper probe row correspond to the positions of the lower probes, the virtual connection probes are not conducted with the upper probes and the front electrodes of the battery pieces, or the virtual connection probes are fixedly arranged on the lower probe row, the positions of the virtual connection probes on the lower probe row correspond to the positions of the upper probes, the virtual connection probes are not conducted with the lower probes and the back electrodes of the battery pieces, and when the battery pieces are tested, the upper probes, the lower probes and the virtual connection probes are propped against the battery pieces.
Preferably, the testing mechanism further comprises a tray assembly for placing the battery piece when the battery piece is tested, the tray assembly can be arranged on the vertical plate in a sliding manner along the up-down direction, and the tray assembly is located between the upper testing probe assembly and the lower testing probe assembly.
Further, the battery piece is conveyed to the tray assembly through the belt conveying mechanism for testing, the belt conveying mechanism comprises a conveying belt, the tray assembly comprises a bottom plate which can be arranged on the vertical plate in a vertical sliding mode, a plurality of supporting plates which are fixedly arranged on the bottom plate are sequentially arranged at intervals, a holding belt hook groove is formed between every two adjacent supporting plates, the width of the hook groove is larger than that of the conveying belt, when the battery piece is tested, the battery piece is located on the supporting plates, and the conveying belt is located in the hook groove.
Still further, through holes for the lower probes to pass through are formed in the bottom plate and the supporting plate.
Still further, the base plate and the pallet are each made of an insulating material.
In a specific embodiment, two conveyor belts are provided, three support plates are provided, two hook grooves are formed between the three support plates, and the distance between the centers of the two hook grooves is the same as the distance between the centers of the two conveyor belts.
Further, the testing mechanism further comprises a sliding rail fixedly arranged on the vertical plate and extending along the vertical direction, and a sliding block slidably arranged on the sliding rail along the length extending direction of the sliding rail, wherein the sliding block is provided with three groups, the three groups of sliding blocks are sequentially arranged on the sliding rail along the vertical direction in sequence, the upper testing probe assembly is fixedly arranged on the upper part of the sliding block, the tray assembly is fixedly arranged in the middle of the sliding block, and the lower testing probe assembly is fixedly arranged on the lower part of the sliding block.
Still further, the slide rail sets up respectively the both sides of riser, every side on the slide rail be equipped with three sets of respectively the slider.
Further, the test mechanism further comprises three groups of driving mechanisms for driving the upper test probe assembly, the lower test probe and the tray assembly to slide up and down on the vertical plate respectively.
Still further, every group actuating mechanism all includes motor and lead screw, the lead screw with the motor shaft of motor is connected, testing mechanism still include with the lead screw passes through screw thread matched with connecting piece, go up test probe subassembly lower test probe subassembly and tray subassembly respectively with connecting piece looks fixed connection.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the battery piece testing mechanism is simple in structure, and the virtual connection probe is arranged on the upper testing probe assembly or the lower testing probe assembly, so that the stress on the upper surface and the lower surface of the battery piece is balanced when the battery piece is tested, and the fragment rate of the battery piece is reduced.
Drawings
FIG. 1 is a schematic diagram of a battery plate testing mechanism according to the present invention;
FIG. 2 is a side view of the battery test mechanism of the present invention;
fig. 3 is a rear view of the battery test mechanism of the present invention.
Wherein: 1. a vertical plate; 2. an upper test probe assembly; 21. an upper probe row; 22. a probe is arranged; 3. a lower test probe assembly; 31. a lower probe row; 32. a lower probe; 4. a tray assembly; 41. a bottom plate; 42. a supporting plate; 43. a hook groove; 5. virtual connection probes; 61. a motor; 62. a screw rod; 63. a connecting piece; 71. a slide rail; 72. a sliding block.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
The battery piece testing mechanism is used for testing battery pieces which are not corresponding to the front electrode structure and the back electrode structure. As shown in fig. 1 to 3, the battery test mechanism includes a vertical plate 1, an upper test probe assembly 2, a lower test probe assembly 3, and a tray assembly 4.
The riser 1 extends along upper and lower direction, and upper test probe subassembly 2, lower test probe subassembly 3 and tray subassembly 4 all can set up on riser 1 along upper and lower direction slidable, and upper test probe subassembly 2 is located the top of battery piece, and lower test probe subassembly 3 is located the below of battery piece, and tray subassembly 4 sets up between upper test probe subassembly 2 and lower test probe subassembly 3.
The upper test probe assembly 2 includes upper probe rows 21 slidably provided on the vertical plate 1 in the up-down direction and a plurality of upper probes 22 fixedly provided on the upper probe rows 21, the positions of the respective upper probes 22 on the upper probe rows 21 correspond to the electrodes on the front surface of the battery sheet, and when the battery sheet is tested, the upper probes 21 and the electrodes on the front surface of the battery sheet are in a conductive state with each other.
The lower test probe assembly 3 includes a lower probe row 31 slidably provided on the vertical plate 1 in the up-down direction and a plurality of lower probes 32 fixedly provided on the lower probe row 31, the positions of the respective lower probes 32 on the lower probe row 31 correspond to the electrodes on the opposite sides of the battery sheet, and when the battery sheet is tested, the respective lower probes 32 and the electrodes on the opposite sides of the battery sheet are in a conductive state with each other.
Since the front and back electrodes of the battery are not corresponding, the positions of the upper probe 22 and the lower probe 32 are not corresponding, and in order to avoid fragments of the battery caused by the non-correspondence of the positions of the upper probe 22 and the lower probe 32 during the test of the battery, the battery test mechanism further comprises a plurality of virtual connection probes 5, wherein the virtual connection probes 5 are not conducted, and the virtual connection probes 5 can be fixedly arranged on the upper probe row 21 or the lower probe row 31 according to the front and back electrode structures of the battery. When the dummy connection probe 5 is disposed on the upper probe row 21, its position on the upper probe row 21 corresponds to the position of the lower probe 32 to counteract the acting force of the lower probe 32 on the battery cell, and at this time, the dummy connection probe 5 is not conductive to both the upper probe 22 and the front electrode of the battery cell. When the virtual connection probe 5 is fixedly arranged on the lower probe row 31, the position of the virtual connection probe 5 on the lower probe row 31 corresponds to the position of the upper probe 22 so as to counteract the acting force of the upper probe 22 on the battery piece, and at the moment, the virtual connection probe 5 is not conducted with the lower probe 32 and the opposite electrode of the battery piece. In this embodiment, the middle of the front surface of the battery plate is electrodeless, while the middle of the back surface is provided with an electrode, and in order to counteract the acting force of the lower probe 32 located in the middle of the battery plate on the battery plate, the virtual connection probe 5 is disposed on the upper probe row 21 and corresponds to the position of the lower probe 32 in the middle of the battery plate.
The battery cells are supported by the tray assembly 4 when they are tested. Specifically, the tray assembly 4 includes a bottom plate 41 and a plurality of support plates 42, the bottom plate 41 and the support plates 42 are made of insulating materials, the bottom plate 41 can be arranged on the vertical plate 1 in a sliding manner along the up-down direction, the plurality of support plates 42 are fixedly arranged on the bottom plate 41, the plurality of support plates 42 are sequentially arranged at intervals in sequence, a hook groove 43 is formed between every two adjacent support plates 42, the battery piece is conveyed to the battery piece testing mechanism for testing through a belt conveying mechanism, the belt conveying mechanism comprises a conveying belt for conveying the battery piece, the hook groove 43 is used for accommodating the conveying belt, the width of the hook groove is larger than that of the conveying belt, and the number of the support plates 42 is matched with that of the conveying belt. When the battery piece is tested, the conveyor belt is positioned in the hook groove 43, the battery piece is positioned on the supporting plate 42, so that the battery piece can be unfolded flatly, the acting force of the upper probe 22 on the battery piece can be counteracted during testing, and when the electrode of the battery piece is very close to the edge of the battery piece, the edge damage of the battery piece can be avoided.
In this embodiment, two conveyor belts are provided, three pallets 42 are provided, and two hook grooves 43 are formed between the three pallets 42, and the distance between the centers of the two hook grooves 43 is the same as the distance between the centers of the two conveyor belts.
The battery piece testing mechanism further comprises three groups of driving mechanisms for respectively driving the upper testing probe assembly 2, the lower testing probe assembly 3 and the tray assembly 4 to slide up and down on the vertical plate 1. In this embodiment, the three sets of driving mechanisms are independently controlled, so that the movements of the upper test probe assembly 2, the lower test probe assembly 3 and the tray assembly 4 can be precisely controlled to improve the test accuracy.
In this embodiment, each set of driving mechanism includes a motor 61 and a screw 62, the motor 61 is fixedly disposed on the vertical plate 1, the screw 62 extends along the up-down direction, the screw 62 is connected with a motor shaft of the motor 61, the battery testing mechanism further includes a connecting member 63 matched with the screw 62 through threads, and the upper probe row 21, the lower probe row 31 and the bottom plate 41 are fixedly connected with the connecting member 63 respectively. When the motor 61 acts, the motor shaft rotates to drive the screw rod 62 to rotate, and the connecting piece 63 is driven to move up and down along the screw rod 62 through the threaded fit of the connecting piece 63 and the screw rod 62, so that the upper test probe assembly 2, the lower test probe assembly 3 and the tray assembly 4 are driven to slide up and down on the vertical plate 1.
The battery test mechanism further includes a guide mechanism that provides a guide when the upper test probe assembly 2, the lower test probe assembly 3, and the tray assembly 4 slide up and down on the riser 1. Specifically, the guide mechanism includes a slide rail 71 fixedly disposed on the vertical plate 1 and extending in the up-down direction, and a slider 72 slidably disposed on the slide rail 71 along the length extending direction of the slide rail 71, three groups of sliders 72 are disposed on the slide rail 71, and sequentially disposed in the up-down direction, respectively, the upper probe row 21 is fixedly connected to the slider 72 located at the upper portion, the bottom plate 4 is fixedly connected to the slider 72 located at the middle portion, and the lower probe row 31 is fixedly connected to the slider 72 located at the lower portion. In this embodiment, the sliding rails 71 are respectively disposed on two sides of the vertical plate 1, and correspondingly, three sets of sliding blocks 72 are slidably disposed on the sliding rail 71 on each side.
The working flow of the battery piece testing mechanism is as follows:
when the battery piece is conveyed to the set position of the testing mechanism along with the belt conveying mechanism, the tray assembly 4 rises under the action of the driving mechanism until the conveying belt is just embedded into the two grooves 43, and the battery piece is positioned on the supporting plate 42; then the upper test probe assembly 2 descends under the action of the driving mechanism until the upper probe 22 and the virtual connection probe 5 are both propped against the battery piece; finally, the lower test probe assembly 3 is lifted up under the action of the driving mechanism until the lower probe 32 is pressed against the battery piece, so that the battery piece can be tested.
In the above test process, after the battery plate is located on the supporting plate 42 after the conveyor belt is embedded in the two grooves 43, the upper test probe assembly 2 and the lower test probe assembly 3 may be moved towards the battery plate at the same time until the upper probe 22, the lower probe 32 and the dummy probe 5 are all pressed against the battery plate for testing.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A battery piece testing mechanism is characterized in that: the testing mechanism comprises a vertical plate, an upper testing probe assembly and a lower testing probe assembly, wherein the upper testing probe assembly and the lower testing probe assembly are arranged on the vertical plate in a sliding manner along the up-down direction, the upper testing probe assembly is positioned above the battery piece, the lower testing probe assembly is positioned below the battery piece, the upper testing probe assembly comprises an upper probe row and a plurality of upper probes, the upper probe row is arranged on the vertical plate in a sliding manner along the up-down direction, the upper probes are fixedly arranged on the upper probe row, the lower testing probe assembly comprises a lower probe row and a plurality of lower probes, the lower probes are arranged on the lower probe row in a sliding manner along the up-down direction, the positions of the upper probes on the upper probe row correspond to the electrodes on the front surface of the battery piece, and the lower probes are communicated among the upper probes and the electrodes on the back surface of the battery piece; the test mechanism further comprises a plurality of virtual connection probes, the virtual connection probes are not conducted, the virtual connection probes are fixedly arranged on the upper probe row, the positions of the virtual connection probes on the upper probe row correspond to the positions of the lower probes, the virtual connection probes are not conducted with the upper probes and the front electrodes of the battery pieces, or the virtual connection probes are fixedly arranged on the lower probe row, the positions of the virtual connection probes on the lower probe row correspond to the positions of the upper probes, the virtual connection probes are not conducted with the lower probes and the back electrodes of the battery pieces, and when the battery pieces are tested, the upper probes, the lower probes and the virtual connection probes are propped against the battery pieces.
2. The battery cell testing mechanism of claim 1, wherein: the testing mechanism further comprises a tray assembly used for placing the battery piece when the battery piece is tested, the tray assembly can be arranged on the vertical plate in a sliding mode along the up-down direction, and the tray assembly is located between the upper testing probe assembly and the lower testing probe assembly.
3. The battery cell testing mechanism of claim 2, wherein: the battery piece is conveyed to the tray assembly through the belt conveying mechanism for testing, the belt conveying mechanism comprises a conveying belt, the tray assembly comprises a bottom plate which can be arranged on the vertical plate in a vertical sliding mode, a plurality of supporting plates which are fixedly arranged on the bottom plate, the plurality of supporting plates are sequentially arranged at intervals, a groove for accommodating the conveying belt is formed between every two adjacent supporting plates, the width of the groove is larger than that of the conveying belt, when the battery piece is tested, the battery piece is located on the supporting plates, and the conveying belt is located in the groove.
4. A battery test mechanism according to claim 3, wherein: the bottom plate and the supporting plate are respectively provided with a through hole for the lower probe to pass through.
5. A battery test mechanism according to claim 3, wherein: the bottom plate and the supporting plate are made of insulating materials.
6. A battery test mechanism according to claim 3, wherein: the conveyor belt is provided with two, the supporting plates are provided with three supporting plates, two grooves are formed between the three supporting plates, and the distance between the centers of the two grooves is the same as the distance between the centers of the two conveyor belts.
7. The battery cell testing mechanism of claim 2, wherein: the testing mechanism further comprises a sliding rail fixedly arranged on the vertical plate and extending along the vertical direction, and a sliding block slidably arranged on the sliding rail along the length extending direction of the sliding rail, wherein the sliding block is provided with three groups, the three groups of sliding blocks are sequentially arranged on the sliding rail along the vertical direction in sequence, the upper testing probe assembly is fixedly arranged on the upper part of the sliding block, the tray assembly is fixedly arranged in the middle of the sliding block, and the lower testing probe assembly is fixedly arranged on the lower part of the sliding block.
8. The battery cell testing mechanism of claim 7, wherein: the sliding rails are respectively arranged on two sides of the vertical plate, and three groups of sliding blocks are respectively arranged on each sliding rail.
9. The battery cell testing mechanism of claim 2, wherein: the test mechanism further comprises three groups of driving mechanisms for driving the upper test probe assembly, the lower test probe and the tray assembly to slide up and down on the vertical plate respectively.
10. The battery cell testing mechanism of claim 9, wherein: each group of driving mechanism comprises a motor and a screw rod, the screw rod is connected with a motor shaft of the motor, the testing mechanism further comprises a connecting piece matched with the screw rod through threads, and the upper testing probe assembly, the lower testing probe assembly and the tray assembly are respectively and fixedly connected with the connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710831290.8A CN107422217B (en) | 2017-09-15 | 2017-09-15 | Battery piece testing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710831290.8A CN107422217B (en) | 2017-09-15 | 2017-09-15 | Battery piece testing mechanism |
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| Publication Number | Publication Date |
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| CN107422217A CN107422217A (en) | 2017-12-01 |
| CN107422217B true CN107422217B (en) | 2023-06-30 |
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| CN201710831290.8A Active CN107422217B (en) | 2017-09-15 | 2017-09-15 | Battery piece testing mechanism |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957350A (en) * | 2018-08-24 | 2018-12-07 | 德朗能（张家港）动力电池有限公司 | A kind of telephone testing machine of multi-station high efficient |
| CN111578880A (en) * | 2020-05-29 | 2020-08-25 | 苏州天准科技股份有限公司 | Displacement detecting apparatus |
| CN116540151B (en) * | 2023-07-06 | 2023-09-26 | 深圳市智诚测控技术有限公司 | Automatic testing equipment for battery bottom plate device and production line thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0915262A (en) * | 1995-06-28 | 1997-01-17 | Nec Kansai Ltd | Probe card |
| JP4413130B2 (en) * | 2004-11-29 | 2010-02-10 | Ｏｋｉセミコンダクタ株式会社 | Semiconductor device inspection method using probe card and semiconductor device inspected by the inspection method |
| CN101833071B (en) * | 2010-05-14 | 2012-06-06 | 吕站军 | High-precision internal resistance and voltage tester for lithium ion battery |
| CN203616345U (en) * | 2013-11-08 | 2014-05-28 | 北汽福田汽车股份有限公司 | Frock clamp for lithium battery testing device |
| CN106841887B (en) * | 2017-04-10 | 2023-12-19 | 苏州赛腾菱欧智能科技有限公司 | Test mechanism for battery piece |
| CN207123582U (en) * | 2017-09-15 | 2018-03-20 | 苏州迈为科技股份有限公司 | A kind of cell slice test mechanism |
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2017
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