CN219831185U - Test fixture of electric core and electric core - Google Patents

Test fixture of electric core and electric core Download PDF

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Publication number
CN219831185U
CN219831185U CN202321077902.6U CN202321077902U CN219831185U CN 219831185 U CN219831185 U CN 219831185U CN 202321077902 U CN202321077902 U CN 202321077902U CN 219831185 U CN219831185 U CN 219831185U
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CN
China
Prior art keywords
probe
assembly
battery cell
test fixture
pole
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Active
Application number
CN202321077902.6U
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Chinese (zh)
Inventor
黄盛冰
李国栋
宋超
郑秋伟
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Fujian Times Nebula Technology Co Ltd
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Fujian Times Nebula Technology Co Ltd
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Priority to CN202321077902.6U priority Critical patent/CN219831185U/en
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Publication of CN219831185U publication Critical patent/CN219831185U/en
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Abstract

The utility model discloses a test fixture of a battery cell and the battery cell, which comprises an insulating base, a probe fixing assembly and a probe assembly; the insulating base is provided with a plurality of mounting parts in parallel, the mounting parts are symmetrically arranged in pairs, and the mounting parts are provided with sliding grooves; the probe assembly is arranged at two ends of the mounting part, and the probe fixing assembly is in sliding connection with the chute; the probe assembly comprises a pole probe, a probe placement part and a first elastic piece; the probe placement part is assembled and connected with the probe fixing assembly; the first elastic piece is arranged between the pole probe and the probe placement part. According to the utility model, through the symmetrically arranged probe fixing assemblies in a sliding manner, the lengths of the battery cells are matched, meanwhile, the elastic pieces are arranged on the probes and the probe mounting parts, the battery cells can be assembled and disassembled only by pressing the elastic pieces, and the assembly process is simplified; in addition, each cell is independently arranged on the symmetrically arranged probe fixing assemblies, so that the number of tests or the connection mode among the freely combined cells can be freely selected, and the universality is enhanced.

Description

Test fixture of electric core and electric core
Technical Field
The utility model relates to the field of lithium batteries, in particular to a test fixture for an electric core.
Background
Lithium batteries are a new type of battery that uses a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material, and can convert chemical energy into electric energy. The performance parameters of the battery mainly include capacity, voltage and internal resistance. When the battery core is tested, the proper fixture is required to be used for limiting, and an electric wire is installed to be connected with the battery core.
At present, a single-cell charge and discharge test tool or a test tool assembled by assembling a plurality of cells in series or in parallel is commonly used in the market, the assembly mode is complex, a tool and a lifting appliance are required in the use process, the quick switching cannot be realized, and the application range is small; meanwhile, the battery cell testing fixture with fixed capacity cannot flexibly switch the series connection or parallel connection and series-parallel connection combination of multiple groups of battery cells.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: a test fixture of a battery cell and the battery cell can realize flexible assembly and simultaneously test by using serial-parallel connection between combined battery cells.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a test fixture of a battery cell comprises an insulating base, a probe fixing assembly and a probe assembly;
the insulation base is provided with a plurality of installation parts in parallel, and the installation parts are provided with sliding grooves;
the probe assembly is arranged at two ends of the mounting part, the probe fixing assembly is slidably connected with the chute, and the probe assembly slides along the chute through the probe fixing assembly;
the probe assembly comprises a pole probe, a probe placement part and a first elastic piece; the probe placement part is assembled and connected with the probe fixing assembly; the first elastic piece is arranged between the pole probe and the probe placement part.
Further, one end of the probe placement part is provided with a first accommodating cavity, and the bottom of the first accommodating cavity is provided with a first leading-out hole; the pole probe is inserted into the first extraction hole, a first clamping plate is arranged at the middle section of the pole probe, and the first elastic piece is arranged between the first clamping plate and the bottom of the first accommodating cavity.
Further, the pole probe comprises a voltage sampling needle and a second elastic piece, a second accommodating cavity is arranged at one end, far away from the first extraction hole, of the pole probe, a second extraction hole is arranged at the bottom of the first accommodating cavity, and the first extraction hole and the second extraction hole are located on the same axis; the voltage sampling needle is inserted into the second leading-out hole, a second clamping plate is arranged at the middle section of the voltage sampling needle, and the second elastic piece is arranged between the second clamping plate and the bottom of the second accommodating cavity.
Further, one end of the voltage sampling needle inserted into the second leading-out hole is connected with a voltage acquisition line.
Further, the first elastic member and the second elastic member are springs.
Further, a first thread is arranged at one end of the pole probe, which is inserted into the first leading-out hole, and two current needle locking nuts are arranged on the first thread.
Further, the probe fixing assembly comprises a probe fixing plate and a base fixing plate which are vertically connected, and the base fixing plate is slidably arranged on the chute; the base fixed plate is provided with a limit bolt and a limit nut which are connected in a matched mode, and the limit bolt is inserted into the sliding groove.
Further, the probe fixing assembly is provided with two base fixing plates along the direction perpendicular to the sliding groove, and each base fixing plate is slidably arranged on the sliding groove.
Further, the outer surface of the middle piece section of the probe placement part is provided with a second thread, two probe assembly locking nuts are arranged on the second thread, and the two probe assembly locking nuts are respectively positioned at two ends of the probe fixing plate.
In order to solve the technical problems, the utility model adopts another technical scheme that:
the utility model provides a battery cell is applied to the test fixture of above-mentioned battery cell, two electrodes of battery cell are located the both ends of battery cell respectively, are used for with probe subassembly assembly connection.
The utility model has the beneficial effects that: the test fixture for the battery cell and the battery cell are provided, the lengths of the battery cells are matched through symmetrical probe fixing assemblies which are arranged in a sliding mode, meanwhile, elastic pieces are arranged on the probes and the probe mounting parts, the battery cell can be assembled and disassembled only by pressing the elastic pieces, and the assembly process is simplified; in addition, each cell is independently arranged on the symmetrically arranged probe fixing assemblies, so that the number of tests or the connection mode among the freely combined cells can be freely selected, and the universality is enhanced.
Drawings
FIG. 1 is a front view of a test fixture for a battery cell and the battery cell according to an embodiment of the utility model;
FIG. 2 is an assembly diagram of an insulating base and a probe fixing assembly of a test fixture for a battery cell according to an embodiment of the present utility model;
FIG. 3 is a top view of a test fixture for a battery cell and the battery cell according to an embodiment of the utility model;
FIG. 4 is an enlarged view of a portion of area A of FIG. 3;
FIG. 5 is an exploded view of a probe assembly of a test fixture for a battery cell according to one embodiment of the utility model;
FIG. 6 is a detailed view of a post probe of a test fixture for a battery cell according to one embodiment of the utility model;
description of the reference numerals:
1. an insulating base; 2. A probe fixing assembly; 3. A probe assembly; 4. A battery cell;
11. a chute; 12. A limit bolt; 13. A limit nut;
21. a probe fixing plate; 22. A base fixing plate;
310. a post probe; 311. A probe placement unit; 312. A first elastic member; 313. A first accommodation chamber;
314. a first extraction hole; 315. A first clamping plate; 316. A first thread;
317. a current needle lock nut; 318. A second thread; 319. A probe assembly lock nut;
320. a voltage sampling needle; 321. A second elastic member; 322. A second accommodation chamber;
323. a second lead-out hole; 324. A second clamping plate; 325. And a voltage acquisition line.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 6, a test fixture for a battery cell includes an insulation base 1, a probe fixing assembly 2 and a probe assembly 3;
the insulation base is provided with a plurality of installation parts in parallel, the installation parts are symmetrically arranged in pairs, and the installation parts are provided with sliding grooves 11;
the probe assembly 2 is arranged at two ends of the mounting part, the probe fixing assembly 1 is slidably connected with the chute 11, and the probe assembly 3 slides along the chute 11 through the probe fixing assembly 2;
the probe assembly 3 includes a post probe 310, a probe seating part 311, and a first elastic member 312; the probe placement part 311 is assembled and connected with the probe fixing assembly 2; the first elastic member 312 is provided between the pole probe 310 and the probe seating portion 311.
From the above description, the beneficial effects of the utility model are as follows: the test fixture for the battery cell 4 and the battery cell 4 are provided, the length of the battery cell 4 is matched through the symmetrically arranged probe fixing assembly 2 in a sliding manner, meanwhile, elastic pieces are arranged on the probe and the probe mounting part, the assembly and the disassembly of the battery cell 4 can be realized only by pressing the elastic pieces, and the assembly process is simplified; in addition, each cell 4 is individually mounted on the symmetrically arranged probe fixing assemblies 2, so that the number of tests or the connection modes among the freely combined cells 4 can be freely selected, and the universality is enhanced.
Further, a first accommodating cavity 313 is provided at one end of the probe placement part 311, and a first extraction hole 314 is provided at the bottom of the first accommodating cavity 313; the pole probe 310 is inserted into the first extraction hole 314, a first clamping plate 315 is disposed at a middle section of the pole probe 310, and the first elastic member 312 is disposed between the first clamping plate 315 and a bottom of the first accommodating cavity 313.
As can be seen from the above description, the pole probe 310 is disposed in the first accommodating cavity 313, and is inserted into the first lead-out hole 314 at the bottom of the first accommodating cavity 313, so as to facilitate the connection between the pole probe 310 and the power supply line; meanwhile, a first clamping plate 315 is arranged at the middle section of the pole probe 310, a first elastic piece 312 is arranged between the first clamping plate 315 and the bottom of the first accommodating cavity 313, so that the assembly structure is simplified, and meanwhile, the elastic force along the axial direction of the battery cell 4 is provided, so that the assembly is convenient.
Further, the post probe 310 includes a voltage sampling needle 320 and a second elastic member 321, one end of the post probe 310 away from the first extraction hole 314 is provided with a second accommodating cavity 322, the bottom of the first accommodating cavity 313 is provided with a second extraction hole 323, and the first extraction hole 314 and the second extraction hole 323 are located on the same axis; the voltage sampling needle 320 is inserted into the second extraction hole 323, a second clamping plate 324 is disposed at the middle section of the voltage sampling needle 320, and the second elastic member 321 is disposed between the second clamping plate 324 and the bottom of the second accommodating cavity 322.
As can be seen from the above description, in order to add the test power, a second receiving cavity 322 is added to the post probe 310 for placing the voltage sampling needle 320, and the voltage sampling needle 320 is led out from the second outlet hole 323; meanwhile, the first extraction hole 314 and the second extraction hole 323 are on the same axis, i.e., the voltage sampling needle 320 can pass through the first extraction hole and the second extraction hole 323 at the same time; in addition, a second clamping plate 324 is arranged at the middle section of the voltage sampling needle 320, and the bottom of the second accommodating cavity 322 compresses the second elastic piece 321 to provide axial elastic force, so that the assembly is convenient.
Further, one end of the voltage sampling needle 320 inserted into the second extraction hole 323 is connected to a voltage collection line 325.
As can be seen from the above description, the voltage sampling needle 320 passes through the first and second lead holes 323, and then the end that passes through is connected to the voltage collecting line 325.
Further, the first elastic member and the second elastic member are springs.
As can be seen from the above description, the first elastic member 312 and the second elastic member 321 are springs, which are convenient to install while improving the adaptability.
Further, a first thread 316 is provided at one end of the pole probe 310 inserted into the first extraction hole 314, and two current pin locking nuts 317 are provided on the first thread 316.
As can be seen from the above description, the end of the pole probe 310 extending out of the first lead-out hole 314 is provided with a first thread 316, on which two current pin locking nuts 317 are provided for clamping the power supply bus bar to supply power to the whole pole probe 310.
Further, the probe fixing assembly comprises a probe fixing plate 21 and a base fixing plate 22 which are vertically connected, and the base fixing plate 22 is slidably arranged on the chute 11; the base fixing plate 22 is provided with a limit bolt 12 and a limit nut 13 which are connected in a matched mode, and the limit bolt 12 is inserted into the chute 11.
As is apparent from the above description, friction is provided between the base fixing plate 22 and the chute 11 by the limit bolts 12 and the limit nuts 13, the limit function is achieved, and the movement of the base fixing plate 22 is achieved by loosening the nuts.
Further, the probe fixing assembly 2 is provided with two base fixing plates 22 along a direction perpendicular to the chute 11, and each base fixing plate 22 is slidably disposed on the chute 11.
As can be seen from the above description, in order to provide stability in the sliding process of the probe-fixing assembly 2, two ground-fixing plates are respectively provided at the bottom of the probe-fixing assembly 2; preferably, in order to prevent the probe fixing assemblies at both ends from collision, an interruption is provided in the middle of the chute in the same straight line direction.
Further, the outer surface of the middle piece section of the probe placement part 311 is provided with a second thread 318, two probe assembly locking nuts 319 are provided on the second thread 318, and the two probe assembly locking nuts 319 are respectively located at two ends of the probe fixing plate 21.
As can be seen from the above description, in order to facilitate the assembly of the probe seating part 311 with the probe fixing plate 21, the second screw 318 is provided at the outer surface of the probe seating part 311, and the probe assembly locking nuts 319 are provided at both sides of the probe fixing plate 21 for fixing the probe seating part 311.
The battery cell 4 is applied to the test fixture of the battery cell 4, and two electrodes of the battery cell 4 are respectively positioned at two ends of the battery cell and are used for being assembled and connected with the probe assembly 3.
From the above description, the two electrodes of the battery cells 4 are respectively assembled and connected with the probe assembly 3, and each group of battery cells 4 is independently installed with a test fixture, so that the universality of the test is realized.
The utility model provides a test fixture for a battery cell 4 and the battery cell 4, which are mainly applied to the field of battery cell 4 testing, and are described below in combination with specific embodiments.
The first embodiment of the utility model is as follows: referring to fig. 1 to 6, a test fixture for a battery cell 4 is characterized in that: the probe fixing device comprises an insulating base 1, a plurality of groups of probe fixing assemblies 2 and probe assemblies 3 which are symmetrically arranged; the insulating ground seat is provided with a plurality of groups of sliding grooves 11 in parallel; the probe fixing assembly 2 comprises a probe fixing plate 21 and a base fixing plate 22 which are vertically connected, and the base fixing plate 22 is slidably arranged on the chute 11; the probe assembly 3 includes a post probe 310, a probe seating part 311, and a first elastic member 312; the probe placing part 311 is assembled and connected with the probe fixing plate 21; the first elastic member 312 is provided between the post probe 310 and the probe seating portion 311.
In this embodiment, a test fixture for a battery cell 4 and the battery cell 4 are provided, the length of the battery cell 4 is matched through a symmetrical probe fixing assembly 2 which is arranged in a sliding manner, meanwhile, elastic pieces are arranged at a probe and a probe mounting part, and the assembly and disassembly of the battery cell 4 can be realized only by pressing the elastic pieces, so that the assembly process is simplified; in addition, each cell 4 is individually mounted on the symmetrically arranged probe fixing assemblies 2, so that the number of tests or the connection modes among the freely combined cells 4 can be freely selected, and the universality is enhanced.
The second embodiment of the utility model is as follows: referring to fig. 1 to 6, in the first embodiment, a first accommodating cavity 313 is formed at one end of the probe placement portion 311, and a first lead-out hole 314 is formed at the bottom of the first accommodating cavity 313; the pole probe 310 is inserted into the first outlet hole 314, a first clamping plate 315 is arranged at the middle section of the pole probe 310, a first spring is arranged between the first clamping plate 315 and the bottom of the first accommodating cavity 313, and one end of the voltage sampling needle 320 inserted into the second outlet hole 323 is connected with the voltage acquisition line 325.
The pole probe 310 comprises a voltage sampling needle 320 and a second elastic piece, a second accommodating cavity 322 is arranged at one end of the pole probe 310 far away from the first lead-out hole 314, a second lead-out hole 323 is arranged at the bottom of the first accommodating cavity 313, and the first lead-out hole 314 and the second lead-out hole 323 are positioned on the same axis; the voltage sampling needle 320 is inserted into the second drawing hole 323, the middle section of the voltage sampling needle 320 is provided with a second clamping plate 324, and a second spring is arranged between the second clamping plate 324 and the bottom of the second accommodating cavity 322.
That is, in this embodiment, the pole probe 310 is disposed in the first accommodating cavity 313, and is inserted into the first lead-out hole 314 at the bottom of the first accommodating cavity 313, so as to facilitate connection between the pole probe 310 and the power supply line; meanwhile, a first clamping plate 315 is arranged at the middle section of the pole probe 310, a first elastic piece 312 is arranged between the first clamping plate 315 and the bottom of the first accommodating cavity 313, so that the assembly structure is simplified, and meanwhile, the elastic force along the axial direction of the battery cell 4 is provided, so that the assembly is convenient; in order to increase the test performance, a second accommodating cavity 322 is additionally arranged on the pole probe 310 for accommodating a voltage sampling needle 320, and the voltage sampling needle 320 is led out from a second leading-out hole 323; meanwhile, the first extraction hole 314 and the second extraction hole 323 are on the same axis, i.e., the voltage sampling needle 320 can pass through the first extraction hole and the second extraction hole 323 at the same time; in addition, a second clamping plate 324 is arranged at the middle section of the voltage sampling needle 320, and the bottom of the second accommodating cavity 322 compresses the second elastic piece 321 to provide axial elastic force, so that the assembly is convenient.
The third embodiment of the utility model is as follows: referring to fig. 1 to 6, in the second embodiment, a first thread 316 is provided at one end of the pole probe 310 inserted into the first extraction hole 314, and two current pin locking nuts 317 are provided on the first thread 316. The base fixing plate 22 is provided with a limit bolt 12 and a limit nut 13 which are connected in a matched mode, and the limit bolt 12 is inserted into the chute 11. The probe fixing assembly 2 is provided with two base fixing plates 22 along the direction perpendicular to the chute 11, and each base fixing plate 22 is slidably arranged on the chute 11. The outer surface of the probe mounting part 311 is provided with a second thread 318, two probe assembly locking nuts 319 are arranged on the second thread 318, and the two probe assembly locking nuts 319 are respectively positioned at two ends of the probe fixing plate 21.
As can be seen from the above description, in order to provide stability in the sliding process of the probe-fixing assembly 2, two ground-fixing plates are respectively provided at the bottom of the probe-fixing assembly 2; preferably, in order to prevent the probe fixing assemblies at both ends from collision, an interruption is provided in the middle of the chute in the same straight line direction.
That is, in the present embodiment, the assembly method of each component is provided: first, one end of the pole probe 310 extending out of the first lead-out hole 314 is provided with a first thread 316, and two current pin locking nuts 317 are arranged on the thread and used for clamping a power supply bus to supply power to the whole pole probe 310; secondly, friction force is provided between the base fixing plate 22 and the chute 11 through the limit bolt 12 and the limit nut 13, so that limit effect is realized, and the base fixing plate 22 is moved through loosening the nut, preferably, in order to provide stability in the sliding process of the probe fixing assembly 2, two ground base fixing plates are respectively arranged at the bottom of the probe fixing assembly 2; in order to prevent the probe fixing assemblies at the two ends from collision, an interruption position is arranged in the middle of the chute in the same linear direction; third, in order to facilitate the assembly of the probe placement part 311 and the probe fixing plate 21, the outer surface of the probe placement part 311 is provided with second threads 318, and probe assembly locking nuts 319 are provided at both sides of the probe fixing plate 21 for fixing the probe placement part 311. In addition, in order to reduce the cost, the end of the pole probe 310 extending out of the first lead-out hole 314 is subjected to reducing treatment, so that the specification of the first thread 316 is smaller than that of the second thread 318, thereby reducing the specification of the current pin lock nut 317.
The fourth embodiment of the utility model is as follows: referring to fig. 1 to 6, a battery cell 4 is applied to a testing fixture for a battery cell 4 in any of the above embodiments, and two electrodes of the battery cell 4 are respectively assembled and connected with a probe assembly 3.
In this embodiment, the two electrodes of the battery cells 4 are respectively assembled and connected with the probe assembly 3, and each group of battery cells 4 is independently installed with the test fixture, so that series connection, parallel connection or series-parallel connection combination is freely realized, and the universality of the test is realized.
Specifically, a plurality of sets of probe fixing assemblies 2 are mounted on the insulating base 1 as described above. The plurality of battery cells 4 can be arranged in a serial-parallel connection mode according to the requirement, and the pole probes 310 are connected in series or in parallel by using a power supply bus, wherein the voltage sampling line of each battery cell 4 is connected independently. For example, when the first and second groups of the probe fixing components 2 are connected in series, the positive electrode of the first group and the negative electrode of the second group are connected together, the negative electrode of the first group is the total negative electrode of the series module, and the positive electrode of the second group is the total positive electrode of the series module. Or when the first group and the second group are connected in parallel, the positive electrode and the negative electrode of the first group are respectively connected with the positive electrode and the negative electrode of the second group, and the positive electrode and the negative electrode after being connected in parallel are the total positive electrode and the negative electrode of the parallel module.
In summary, according to the test fixture for the battery cell and the battery cell provided by the utility model, the lengths of the battery cells are matched through the symmetrically arranged probe fixing assemblies in a sliding manner, meanwhile, the elastic pieces are arranged on the probes and the probe mounting parts, so that the assembly and the disassembly of the battery cell can be realized only by pressing the elastic pieces, and the assembly process is simplified; in addition, each cell is independently arranged on the symmetrically arranged probe fixing assemblies, so that the number of tests or the connection mode among the freely combined cells can be freely selected, and the universality is enhanced.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims (10)

1. The utility model provides a test fixture of electric core which characterized in that: the probe comprises an insulating base, a probe fixing assembly and a probe assembly;
the insulation base is provided with a plurality of installation parts in parallel, and the installation parts are provided with sliding grooves;
the probe assembly is arranged at two ends of the mounting part, the probe fixing assembly is slidably connected with the chute, and the probe assembly slides along the chute through the probe fixing assembly;
the probe assembly comprises a pole probe, a probe placement part and a first elastic piece; the probe placement part is assembled and connected with the probe fixing assembly; the first elastic piece is arranged between the pole probe and the probe placement part.
2. The test fixture for a battery cell of claim 1, wherein: one end of the probe placement part is provided with a first accommodating cavity, and the bottom of the first accommodating cavity is provided with a first leading-out hole; the pole probe is inserted into the first extraction hole, a first clamping plate is arranged at the middle section of the pole probe, and the first elastic piece is arranged between the first clamping plate and the bottom of the first accommodating cavity.
3. The test fixture for a battery cell of claim 2, wherein: the pole probe comprises a voltage sampling needle and a second elastic piece, a second accommodating cavity is arranged at one end, far away from the first extraction hole, of the pole probe, a second extraction hole is arranged at the bottom of the first accommodating cavity, and the first extraction hole and the second extraction hole are located on the same axis; the voltage sampling needle is inserted into the second leading-out hole, a second clamping plate is arranged at the middle section of the voltage sampling needle, and the second elastic piece is arranged between the second clamping plate and the bottom of the second accommodating cavity.
4. A test fixture for a battery cell as defined in claim 3, wherein: one end of the voltage sampling needle inserted into the second leading-out hole is connected with a voltage acquisition line.
5. A test fixture for a battery cell as defined in claim 3, wherein: the first elastic piece and the second elastic piece are springs.
6. The test fixture for a battery cell of claim 2, wherein: the pole probe is inserted into one end of the first leading-out hole and provided with a first thread, and two current needle locking nuts are arranged on the first thread.
7. The test fixture for a battery cell of claim 1, wherein: the probe fixing assembly comprises a probe fixing plate and a base fixing plate which are vertically connected, and the base fixing plate is slidably arranged on the chute; the base fixed plate is provided with a limit bolt and a limit nut which are connected in a matched mode, and the limit bolt is inserted into the sliding groove.
8. The test fixture for a battery cell of claim 7, wherein: the probe fixing assembly is provided with two base fixing plates along the direction perpendicular to the sliding groove, and each base fixing plate is slidably arranged on the sliding groove.
9. The test fixture for a battery cell of claim 7, wherein: the outer surface of the middle piece section of the probe placement part is provided with a second thread, two probe assembly locking nuts are arranged on the second thread, and the two probe assembly locking nuts are respectively positioned at two ends of the probe fixing plate.
10. A cell, a test fixture for use with a cell as claimed in any one of claims 1 to 9, characterized in that: and the two electrodes of the battery cell are respectively positioned at two ends of the battery cell and are used for being assembled and connected with the probe assembly.
CN202321077902.6U 2023-05-08 2023-05-08 Test fixture of electric core and electric core Active CN219831185U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321077902.6U CN219831185U (en) 2023-05-08 2023-05-08 Test fixture of electric core and electric core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321077902.6U CN219831185U (en) 2023-05-08 2023-05-08 Test fixture of electric core and electric core

Publications (1)

Publication Number Publication Date
CN219831185U true CN219831185U (en) 2023-10-13

Family

ID=88252361

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321077902.6U Active CN219831185U (en) 2023-05-08 2023-05-08 Test fixture of electric core and electric core

Country Status (1)

Country Link
CN (1) CN219831185U (en)

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