CN117949705A - Compatible many specifications lithium cell test equipment - Google Patents

Compatible many specifications lithium cell test equipment Download PDF

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Publication number
CN117949705A
CN117949705A CN202311666729.8A CN202311666729A CN117949705A CN 117949705 A CN117949705 A CN 117949705A CN 202311666729 A CN202311666729 A CN 202311666729A CN 117949705 A CN117949705 A CN 117949705A
Authority
CN
China
Prior art keywords
cylinder
test
plate
probe
connecting plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311666729.8A
Other languages
Chinese (zh)
Inventor
张琛星
石芝耀
杨振爵
祝国昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Optofidelity High Tech Zhuhai Ltd
Original Assignee
Optofidelity High Tech Zhuhai Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Optofidelity High Tech Zhuhai Ltd filed Critical Optofidelity High Tech Zhuhai Ltd
Priority to CN202311666729.8A priority Critical patent/CN117949705A/en
Publication of CN117949705A publication Critical patent/CN117949705A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/06705—Apparatus for holding or moving single probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/073—Multiple probes
    • 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
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
    • 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
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables
    • 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

The invention discloses and provides a lithium battery testing device compatible with multiple specifications, which can be compatible with multiple battery core combinations at the same time, can rapidly switch product types, improves testing efficiency, and reduces equipment cost. The invention comprises a machine table, a production line and a battery test module, wherein the battery test module comprises a test mounting frame, an up-down lifting mechanism, a test instrument and a probe module; the upper and lower elevating system includes fixed plate, intermediate support plate and lower connecting plate, and the upper fixed plate sets up on the test mounting bracket, is provided with first cylinder on the upper fixed plate, and the flexible end and the intermediate support plate of first cylinder are connected, are provided with the second cylinder in the intermediate support plate, and the upper surface at the lower connecting plate is connected to the flexible end of second cylinder, and the probe module sets up the lower surface at the lower connecting plate, and probe module and test instrument electric connection. The invention is applied to the technical field of lithium battery test equipment.

Description

Compatible many specifications lithium cell test equipment
Technical Field
The invention relates to battery testing equipment, in particular to multi-specification compatible lithium battery testing equipment.
Background
With the increase of globalization degree and the arousal of environmental awareness, new energy automobiles such as electric vehicles and the like gradually become hot spots of research and attention, wherein a vehicle energy storage technology is one of core technologies in the development of the new energy automobiles; the energy storage of the vehicle refers to the energy conversion and storage generated by the power system, and the energy is released when the vehicle needs to provide power for the vehicle, so that the purposes of energy conservation, environmental protection and pollution reduction are realized. Currently, one of the energy storage modes with a wide application range is a battery energy storage technology. In the field of electric vehicles, lithium ion batteries are the most popular and also the most mature battery type. The lithium ion battery has excellent performances such as high energy density, long service life, no memory effect and the like, so that the lithium ion battery becomes a dominant battery type in the field of automobile application.
Therefore, the attention of enterprises to the functions and the quality of products is also higher and higher, and meanwhile, the market is increasingly accelerating to replace fuel vehicles by new energy automobiles, so that the demand of energy storage batteries is greatly increased, and more detection equipment with higher efficiency is required to be operated. The current testing equipment conducts the anode and the cathode of the battery core mainly through a probe mode, and the testing instrument is used for checking various indexes inside the battery according to different parameters to confirm OK or NG.
In the face of batch, high quality and high safety, a plurality of enterprises need to purchase related test equipment, and high-efficiency automatic detection equipment is urgently needed due to the increasing of the demand; meanwhile, according to different energy storage capacities (endurance mileage), the battery cells with various specifications are combined, and from the aspects of cost and efficiency, the test equipment is required to be compatible with more product specifications and quick switching test parameters. Based on the above problems, the device can meet the requirements of high efficiency and compatibility of multiple specifications in an automatic mode, and thus, the flexible design of the probe test module of the device is provided with higher challenges. The existing product testing equipment in the market at present basically belongs to a set of probe testing modules corresponding to a single battery combination, the probe testing modules are replaced when the model is updated, the efficiency is low, and the cost is relatively high.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art, and provides the lithium battery testing equipment compatible with multiple specifications, which can be compatible with multiple battery core combinations at the same time, can rapidly switch product types, improves the testing efficiency and reduces the equipment cost.
The technical scheme adopted by the invention is as follows: the test device comprises a machine table, wherein a test channel is arranged below the machine table, a production line is arranged in the test channel, a battery test module is arranged above the test channel, the battery test module is positioned above the production line, and the battery test module comprises a test mounting frame, an up-down lifting mechanism arranged on the test mounting frame, a test instrument arranged above the up-down lifting mechanism and a probe module arranged below the up-down lifting mechanism; the upper and lower elevating system includes fixed plate, intermediate support plate and lower connecting plate, it is in to go up the fixed plate setting on the test mounting bracket, be provided with first cylinder on the upper fixed plate, the flexible end of first cylinder with intermediate support plate connects, be provided with the second cylinder in the intermediate support plate, the flexible end of second cylinder is connected the upper surface of lower connecting plate, the probe module sets up the lower surface of lower connecting plate, just the probe module with test instrument electric connection.
Further, a plurality of first guide rods are arranged on the middle supporting plate, and the first guide rods are connected with the upper fixing plate in a sliding mode.
Further, the quantity of first guide bar is four, the left and right sides of first cylinder is provided with two respectively first guide bar, two with the upper end of one side first guide bar is provided with first connecting plate, be provided with first cylinder decline limit screw and first cylinder decline limit buffer on the first connecting plate, just go up the fixed plate upper surface be provided with first cylinder decline limit screw with first cylinder decline limit buffer looks adaptation's first buffer block.
Further, a first locking block for locking the first guide rod when the first cylinder is not in use is arranged on the upper surface of the upper fixing plate.
Further, a plurality of second guide rods are arranged on the lower connecting plate, and the second guide rods are slidably connected with the middle supporting plate.
Further, the quantity of second guide bar is four, the left and right sides of second cylinder is provided with two respectively the second guide bar, two of same one side the upper end of second guide bar is provided with the second connecting plate, be provided with second cylinder decline spacing screw and second cylinder decline spacing buffer on the second connecting plate, just the intermediate support board upper surface be provided with second cylinder decline spacing screw with the second buffer of second cylinder decline spacing buffer looks adaptation.
Further, a second locking block for locking the second guide rod when the second cylinder is not in use is arranged on the upper surface of the middle support plate.
Further, the probe module comprises a probe mounting plate, the left side and the right side of the probe mounting plate are provided with probe mounting side plates, Y-axis adjusting grooves are formed in the probe mounting side plates, and Y-axis adjusting blocks are slidably arranged on the Y-axis adjusting grooves; the probe module further comprises an X-axis adjusting rod, two ends of the X-axis adjusting rod are respectively connected with the Y-axis adjusting blocks on the left side and the right side in a sliding mode, and a plurality of probe blocks are arranged on the X-axis adjusting rod and electrically connected with the testing instrument.
Further, two ends of the X-axis adjusting rod are provided with single-double switching limiting rings.
Further, a jig is arranged on the assembly line, a positioning column is arranged on the jig, and a positioning rod matched with the positioning column is arranged below the probe mounting plate; during testing, the battery pack to be tested is placed on the jig, the probe module is located above the jig and moves downwards, and the locating rod is inserted into the locating column to complete locating.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic diagram of a battery test module;
FIG. 4 is a side view of a battery test module;
FIG. 5 is a schematic view of the structure of the up-down lift mechanism;
FIG. 6 is a schematic diagram of the structure of a probe module;
FIG. 7 is an enlarged schematic view at A in FIG. 6;
FIG. 8 is a schematic diagram of a battery test module testing a ten cell battery pack;
fig. 9 is a schematic diagram of a battery test module in testing a nine cell battery pack.
Detailed Description
As shown in fig. 1 to 9, in this embodiment, the present invention includes a machine 1, a test channel 2 is disposed below the machine 1, a pipeline 3 is disposed in the test channel 2, a battery test module 4 is disposed above the test channel 2, the battery test module 4 is located above the pipeline 3, and the battery test module 4 includes a test mounting frame 5, an up-and-down lifting mechanism 6 disposed on the test mounting frame 5, a test instrument 7 disposed above the up-and-down lifting mechanism 6, and a probe module 8 disposed below the up-and-down lifting mechanism 6; the up-down lifting mechanism 6 comprises an upper fixing plate 9, an intermediate support plate 10 and a lower connecting plate 11, wherein the upper fixing plate 9 is arranged on the test mounting frame 5, a first air cylinder 12 is arranged on the upper fixing plate 9, the telescopic end of the first air cylinder 12 is connected with the intermediate support plate 10, a second air cylinder 13 is arranged on the intermediate support plate 10, the telescopic end of the second air cylinder 13 is connected with the upper surface of the lower connecting plate 11, the probe module 8 is arranged on the lower surface of the lower connecting plate 11, and the probe module 8 is electrically connected with the test instrument 7. In this embodiment, the first air cylinder 12 is used for lifting the probe module 8 for up-down motion test, and the second air cylinder 13 is used for adjusting and compatible batteries with two different heights.
In this embodiment, the intermediate support plate 10 is provided with a plurality of first guide rods 14, and the plurality of first guide rods 14 are slidably connected with the upper fixing plate 9.
In this embodiment, the number of the first guide rods 14 is four, two first guide rods 14 are respectively disposed on the left and right sides of the first cylinder 12, a first connection plate 15 is disposed at the upper end of the first guide rods 14 on the same side, a first cylinder descent control limit screw 16 and a first cylinder descent control buffer 17 are disposed on the first connection plate 15, and a first buffer block 18 adapted to the first cylinder descent control limit screw 16 and the first cylinder descent control buffer 17 is disposed on the upper surface of the upper fixing plate 9. The first cylinder descending limit screw 16 adjusts the gap between the screw hard limit probe and the pole, and the first cylinder descending limit buffer 17 adjusts and buffers the descending impact force. In this embodiment, the first guide rod 14 is sleeved with a cylinder descending weight spring 37, and the load force is relieved by the spring.
In this embodiment, the upper surface of the upper fixing plate 9 is provided with a first locking block 19 for locking the first guide rod 14 when the first cylinder 12 is not in use, and the first locking block 19 is lockable due to the load to prevent falling when the first cylinder is used for testing a tall or short product.
Four second guide rods 20 are arranged on the lower connecting plate 11, and the four second guide rods 20 are in sliding connection with the middle supporting plate 10. In this embodiment, two second guide rods 20 are respectively disposed on the left and right sides of the second cylinder 13, a second connection plate 21 is disposed on the upper end of the second guide rods 20 on the same side, a second cylinder descending limit screw 22 and a second cylinder descending limit buffer 23 are disposed on the second connection plate 21, and a second buffer block 24 adapted to the second cylinder descending limit screw 22 and the second cylinder descending limit buffer 23 is disposed on the upper surface of the intermediate support plate 10. In this embodiment, the upper surface of the intermediate support plate 10 is provided with a second locking block 25 for locking the second guide rod 20 when the second cylinder 13 is not in use.
As shown in fig. 6, in the present embodiment, the probe module 8 includes a probe mounting plate 26, the left and right sides of the probe mounting plate 26 are provided with probe mounting side plates 27, Y-axis adjusting grooves 28 are provided on the probe mounting side plates 27, and Y-axis adjusting blocks 29 are slidably provided on the Y-axis adjusting grooves 28; the probe module 8 further comprises two parallel X-axis adjusting rods 30, two ends of each X-axis adjusting rod 30 are respectively connected with the Y-axis adjusting blocks 29 on the left side and the right side in a sliding mode, and a plurality of probe blocks 31 electrically connected with the testing instrument 7 are arranged on each X-axis adjusting rod 30. The probe blocks 31 on the two X-axis adjusting rods 30 are respectively provided with positive and negative poles on each cell. In this embodiment, the X-axis adjusting rod 30 may be used to quickly switch between single and double battery core products for changing the shape, and the Y-axis adjusting block 29 may be used to adjust the gap between two battery cores. The probe block 31 comprises an aluminum shell edge probe block and a pole probe block, wherein the aluminum shell edge probe block is used for testing the conduction of the front end face and the rear end face of the battery pack, and the pole probe block is used for testing the conduction of the pole of the battery cell.
As shown in fig. 7, in this embodiment, the two ends of the X-axis adjusting rod 30 are provided with a single/double switching limit ring 32. The upper ends of the probe blocks 31 used for testing the positive and negative poles of the same battery cell on the X-axis adjusting rods 30 are provided with sliding blocks 38, the upper ends of the two probe blocks 31 used for testing the positive and negative poles of the same battery cell are both in sliding connection with the sliding blocks 38, and when the Y-axis adjusting blocks 29 are adjusted, the sliding blocks 38 can slide along the sliding blocks 38 to ensure that the two probe blocks 31 used for testing the positive and negative poles of the same battery cell are always kept flush, so that the probe blocks 31 and the battery cell electrodes are kept in good contact.
As shown in fig. 8, in this embodiment, a jig 33 is disposed on the assembly line 3, a positioning column 34 is disposed on the jig 33, a positioning rod 35 adapted to the positioning column 34 is disposed under the probe mounting plate 26, and the positioning rod 35 is used for positioning the stability of the pole positions of the probe module and the battery cell; during testing, the jig 33 is provided with a battery pack 36 consisting of ten electric cores to be tested, the probe module 8 is located above the jig 33 and moves downwards, and the positioning rod 35 is inserted into the positioning column 34 to complete positioning.
As shown in fig. 9, when the type of the battery to be tested is to be replaced, for example, the battery pack 36 composed of nine electric cores to be tested is placed on the fixture 33, because the battery is composed of electric cores, the number of the electric cores is different in number and number of the electric cores, if the same set of probe modules is to be shared, the probes on the test block are to be switched to correspond to the poles on the electric cores for conducting the test through the left and right movement of the adjusting tube, and meanwhile, the probe modules on the edge of the aluminum shell are required to be fixed after being released and moved to the corresponding aluminum shell limiting rings for positioning, and the two ends of the aluminum shell are also required to be tested for conducting or not. Therefore, the needle block position can be quickly adjusted through the adjusting tube, and a set of probe block modules can be shared when the single-number battery cores and the double-number battery cores are replaced.
While the embodiments of this invention have been described in terms of practical aspects, they are not to be construed as limiting the meaning of this invention, and modifications to the embodiments and combinations with other aspects thereof will be apparent to those skilled in the art from this description.

Claims (10)

1. The utility model provides a compatible many specifications lithium cell test equipment, includes board (1), board (1) below is equipped with test channel (2) be provided with assembly line (3) in test channel (2) be provided with battery test module (4) above test channel (2), battery test module (4) are located assembly line (3) top, its characterized in that: the battery test module (4) comprises a test mounting frame (5), an up-down lifting mechanism (6) arranged on the test mounting frame (5), a test instrument (7) arranged on the up-down lifting mechanism (6) and a probe module (8) arranged below the up-down lifting mechanism (6); the upper and lower elevating system (6) is including last fixed plate (9), intermediate support plate (10) and lower connecting plate (11), go up fixed plate (9) and set up on test mounting bracket (5), be provided with first cylinder (12) on going up fixed plate (9), the flexible end of first cylinder (12) with intermediate support plate (10) are connected, be provided with second cylinder (13) on intermediate support plate (10), the flexible end of second cylinder (13) is connected the upper surface of lower connecting plate (11), probe module (8) set up the lower surface of lower connecting plate (11), just probe module (8) with test instrument (7) electric connection.
2. The multi-specification compatible lithium battery testing device of claim 1, wherein: the middle supporting plate (10) is provided with a plurality of first guide rods (14), and the first guide rods (14) are slidably connected with the upper fixing plate (9).
3. The multi-specification compatible lithium battery testing device of claim 2, wherein: the quantity of first guide bar (14) is four, the left and right sides of first cylinder (12) is provided with two respectively first guide bar (14), two of same side the upper end of first guide bar (14) is provided with first connecting plate (15), be provided with first cylinder on first connecting plate (15) and descend spacing screw (16) and first cylinder and descend spacing buffer (17), just go up fixed plate (9) upper surface be provided with first cylinder descends spacing screw (16) with first cylinder descends first buffer block (18) of spacing buffer (17) looks adaptation.
4. A multi-specification compatible lithium battery test device according to claim 2 or 3, wherein: the upper surface of the upper fixing plate (9) is provided with a first locking block (19) used for locking the first guide rod (14) when the first air cylinder (12) is not used.
5. The multi-specification compatible lithium battery testing device of claim 1, wherein: a plurality of second guide rods (20) are arranged on the lower connecting plate (11), and the second guide rods (20) are slidably connected with the middle supporting plate (10).
6. The multi-specification compatible lithium battery testing device of claim 5, wherein: the number of the second guide rods (20) is four, two second guide rods (20) are respectively arranged on the left side and the right side of the second air cylinder (13), a second connecting plate (21) is arranged at the upper end of each second guide rod (20), a second air cylinder descending limit screw (22) and a second air cylinder descending limit buffer (23) are arranged on the second connecting plate (21), and a second buffer block (24) which is matched with the second air cylinder descending limit screw (22) and the second air cylinder descending limit buffer (23) is arranged on the upper surface of the middle supporting plate (10).
7. A multi-specification compatible lithium battery testing device according to claim 5 or 6, wherein: the upper surface of the middle supporting plate (10) is provided with a second locking block (25) for locking the second guide rod (20) when the second air cylinder (13) is not in use.
8. The multi-specification compatible lithium battery testing device of claim 1, wherein: the probe module (8) comprises a probe mounting plate (26), wherein probe mounting side plates (27) are arranged on the left side and the right side of the probe mounting plate (26), Y-axis adjusting grooves (28) are formed in the probe mounting side plates (27), and Y-axis adjusting blocks (29) are arranged on the Y-axis adjusting grooves (28) in a sliding mode; the probe module (8) further comprises an X-axis adjusting rod (30), two ends of the X-axis adjusting rod (30) are respectively connected with the Y-axis adjusting blocks (29) on the left side and the right side in a sliding mode, and a plurality of probe blocks (31) electrically connected with the testing instrument (7) are arranged on the X-axis adjusting rod (30).
9. The multi-specification compatible lithium battery test equipment of claim 8, wherein: and a single-double switching limiting ring (32) is arranged at two ends of the X-axis adjusting rod (30).
10. The multi-specification compatible lithium battery test equipment of claim 8, wherein: a jig (33) is arranged on the assembly line (3), a positioning column (34) is arranged on the jig (33), and a positioning rod (35) matched with the positioning column (34) is arranged below the probe mounting plate (26); during testing, a battery pack (36) to be tested is placed on the jig (33), the probe module (8) is located above the jig (33) and moves downwards, and the locating rod (35) is inserted into the locating column (34) to complete locating.
CN202311666729.8A 2023-12-07 2023-12-07 Compatible many specifications lithium cell test equipment Pending CN117949705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311666729.8A CN117949705A (en) 2023-12-07 2023-12-07 Compatible many specifications lithium cell test equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311666729.8A CN117949705A (en) 2023-12-07 2023-12-07 Compatible many specifications lithium cell test equipment

Publications (1)

Publication Number Publication Date
CN117949705A true CN117949705A (en) 2024-04-30

Family

ID=90804657

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311666729.8A Pending CN117949705A (en) 2023-12-07 2023-12-07 Compatible many specifications lithium cell test equipment

Country Status (1)

Country Link
CN (1) CN117949705A (en)

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