CN211293182U - Battery test fixture and battery test device - Google Patents
Battery test fixture and battery test device Download PDFInfo
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- CN211293182U CN211293182U CN201921908090.9U CN201921908090U CN211293182U CN 211293182 U CN211293182 U CN 211293182U CN 201921908090 U CN201921908090 U CN 201921908090U CN 211293182 U CN211293182 U CN 211293182U
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Abstract
The utility model provides a battery test fixture and battery testing arrangement relates to lithium cell technical field. The battery test fixture includes two clips and two adapter assemblies. The two clamps are arranged separately and separately, and the clamp heads of the clamps are connected with a battery to be tested; two switching components are respectively arranged on the two clamps, one end of each switching component is detachably connected with the corresponding clamp, and the other end of each switching component is connected with the battery testing device. The utility model provides a battery test fixture can match the different wires on the battery testing arrangement to reduce test fixture's quantity, reduce test cost, reduce the time that test personnel look for the test fixture who matches simultaneously, the test personnel of being convenient for carry out short circuit safety test to the battery.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a battery test fixture and battery testing arrangement.
Background
As a new energy source, the lithium ion battery gradually occupies the markets of consumer products and power automobiles due to the advantages of high energy density, high voltage, cleanness, environmental protection and the like. However, since the safety performance is also considered while the high electrochemical performance is sought, the battery should be subjected to a series of safety tests to check the safety performance. The external short circuit of the lithium battery is used as one of main safety tests, and has important significance for ensuring the safety of the battery.
The conventional lithium battery short circuit testing device mainly comprises an explosion-proof box and a lead, wherein a set of positive and negative clamps are led out from two ends of the lead, and the clamps are directly connected with the positive and negative electrodes of a lithium battery to realize external short circuit of the lithium battery. The existing positive and negative clamps are directly connected and fixed with outgoing lines at two ends of a lead through tin soldering, and when the phenomena of fire, liquid leakage and the like occur in the test process, the produced high temperature or electrolyte is easy to oxidize or damage the clamps, so that the clamps need to be replaced in time. However, the fixture fixed by soldering needs to be removed after the tin is melted at high temperature, so that the fixture is very complicated to replace. Generally speaking, a battery testing device is provided with many wires, and its anchor clamps of taking are not only many, easily account for the space, and one set of anchor clamps can only be applicable to a wire moreover, change anchor clamps and also can make the test cost increase with the different wires of adaptation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery test fixture, the tester of being convenient for carries out the short circuit test to the lithium cell, improves efficiency of software testing.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a battery test fixture, include:
the two clamps are arranged separately and independently, and the chucks of the clamps are connected with the battery to be tested;
and the two switching assemblies are respectively arranged on the two clamps, one end of each switching assembly is detachably connected with the corresponding clamp, and the other end of each switching assembly is connected with the battery testing device.
Preferably, the adaptor assembly comprises:
one end of the patch cord is connected with the lead of the battery testing device;
and the patch cord is detachably connected with the clamp through the wiring terminal.
Preferably, the connecting device further comprises a first connecting component, and the connecting terminal is detachably connected with the clamp through the first connecting component.
Preferably, the first connection assembly comprises:
the first bolt penetrates through the clamp and the wiring terminal;
and a first nut provided on a portion of the first bolt protruding from the clip and the connection terminal and threadedly coupled to the first bolt.
Preferably, a first through hole is formed in the handle of the clip, a second through hole corresponding to the first through hole is formed in one end of the connecting terminal, and the first bolt can penetrate through the first through hole and the second through hole.
Preferably, one end of the patch cord is provided with a wire connecting portion, and the wire is connected with the patch cord through the wire connecting portion.
Preferably, the surface of the grip of the clip is coated with an insulating layer.
Preferably, the clamp further comprises a distance adjusting mechanism, and the clamp can be arranged at different positions of the distance adjusting mechanism.
Preferably, the distance adjustment mechanism includes:
a slide rail;
the two clamping pieces are configured to be capable of sliding along the sliding rail and being fixed at different positions on the sliding rail, and the two clamps are respectively arranged on the two clamping pieces.
Preferably, the clamp further comprises a second connecting assembly, and the clamp is detachably connected with the clamping piece through the second connecting assembly.
The utility model provides a battery testing device, including foretell battery test fixture.
The utility model has the advantages that:
the utility model provides a battery test fixture, including two clips and set up two switching components on two clips respectively, the clip can be dismantled with switching component and be connected. When the short circuit test is carried out on the battery, the chucks of the two clamps are respectively connected with the positive electrode and the negative electrode of the battery, and the switching assembly is connected with a lead of the battery test device. Through setting up to the mode of dismantling the connection between clip and the switching subassembly, make the different wires on the clip can the adaptation battery testing arrangement, with solve among the prior art adopt many sets of test fixture respectively with different wire adaptation connection and need spend more times when leading to the test and look for corresponding test fixture's problem, thereby reduce test time, in addition, after anchor clamps receive high temperature or flame to influence and damage, the change is changeed for welding jig to the dismantlement type anchor clamps, replace many sets of test fixture with single set of test fixture simultaneously and can reduce test fixture's quantity, thereby reduce test cost.
Drawings
Fig. 1 is a top view of a battery test fixture according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery testing fixture including a distance adjusting mechanism according to an embodiment of the present invention.
In the figure:
1. a clip; 11. a handle; 12. a chuck;
2. a switching component; 21. a wiring terminal; 22. a patch cord; 23. a wire connecting portion;
3. a first connection assembly; 31. a first bolt; 32. a first nut;
4. a second connection assembly; 41. a second bolt; 42. a second nut;
5. a distance adjusting mechanism; 51. a slide rail; 52. a clamping member;
6. and (4) conducting wires.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention.
Referring to fig. 1 and 2, the present invention provides a battery testing fixture, which includes two oppositely disposed clips 1 and two adapter assemblies 2, wherein the chucks 12 of the two clips 1 are respectively connected to the positive electrode and the negative electrode of the battery to be tested, and the two adapter assemblies 2 are respectively mounted on the two clips 1. One end of the switching component 2 is detachably connected with the clamp 1, and the other end of the switching component is connected with a lead 6 of the battery testing device. Through setting up clip 1 to the mode of being connected with wire 6 can be dismantled for clip 1 can be connected with different wire 6, solves the problem that current test fixture can only correspond to specific wire 6, makes test fixture can match different wire 6, thereby reduces test fixture's quantity, reduces test cost, reduces the time that test fixture that the test personnel looked for the matching simultaneously, and the test personnel of being convenient for carry out short circuit safety test to the battery.
Specifically, the patch assembly 2 includes a patch cord 22 and a wire connection terminal 21. One end of the patch cord 22 is connected with the lead 6 of the battery test device; the patch cord 22 is detachably connected to the clip 1 via the connection terminal 21. Further, the connection terminal 21 may be a copper nose connection terminal.
Preferably, the test fixture further comprises a first connection assembly 3, and the connection terminal 21 is detachably connected with the clip 1 through the first connection assembly 3.
Specifically, the first connection assembly 3 includes a first bolt 31 and a first nut 32. The first bolt 31 penetrates the clip 1 and the terminal block 21; the first nut 32 is provided on a portion of the first bolt 31 protruding from the clip 1 and the junction terminal 21 and is screwed to the first bolt 31. The clamp 1 and the connecting terminal 32 can be fixed together by arranging the first bolt 31 and the first nut 32, the clamp 1 and the connecting terminal 21 can be detachably connected with each other by detaching the first nut 32 and the first bolt 31, when a test fixture is damaged by flame or electrolyte and other substances due to the failure of a short circuit test of a battery, the connection between the clamp 1 and the lead 6 is not required to be disconnected by melting tin soldering, the connecting terminal 21 can be detached from the clamp 1 by unscrewing the first nut 32, the operation is more convenient, and the clamp 1 or the patch cord 22 cannot be damaged in the detaching process.
Specifically, a first through hole is formed in the handle 11 of the clip 1, a second through hole corresponding to the first through hole is formed in one end portion of the connection terminal 21, and the first bolt 31 can penetrate through the first through hole and the second through hole, so that the clip 1 and the connection terminal 21 can be in threaded connection through mutual matching between the first bolt 31 and the first nut 32.
Preferably, one end of the patch cord 22 is provided with a wire connection portion 23, and the wire 6 is connected to the patch cord 22 through the wire connection portion 23.
Preferably, the surface cladding of the handle 11 of clip 1 has the insulating layer, and the setting of insulating layer can avoid the direct and electrically conductive clip 1 contact of tester, improves test fixture's security.
Because different batteries to be tested have different tab center distances, in order to prevent the chucks 12 of the two clips 1 from directly contacting when testing the battery with the smaller tab center distance, preferably, in this embodiment, the test fixture further includes a distance adjusting mechanism 5, the clips 1 can be installed at different positions of the distance adjusting mechanism 5 according to the actual specification of the battery to be tested, so as to avoid the chucks 12 of the two clips 1 connected with the positive electrode and the negative electrode of the battery from directly contacting, and play a role in safety protection.
Preferably, the distance adjustment mechanism 5 includes a slide rail 51 and two clamping pieces 52. The two clamping pieces 52 are detachably connected with the slide rail 51, and the two clamps 1 are respectively arranged on the two clamping pieces 52. The clamping member 52 can slide along the length direction of the slide rail 51 and is fixed at different positions of the slide rail 51 through clamping slots arranged at different positions on the slide rail 51.
Preferably, the test fixture further comprises a second attachment assembly 4, the clip 1 being removably attached to the grip 52 by the second attachment assembly 4.
Specifically, the second connecting assembly 4 includes a second bolt 41 and a second nut 42, and the clip 1 is screwed and fixed to the clamping member 52 by the second bolt 41 and the second nut 42.
The utility model provides a battery testing device, including foretell battery test fixture.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A battery test fixture, comprising:
the two clamps (1) are separately arranged, and a chuck (12) of each clamp (1) is connected with a battery to be tested;
the battery testing device comprises two switching components (2), wherein the two switching components (2) are respectively arranged on the two clamps (1), one end of each switching component (2) is detachably connected with the corresponding clamp (1), and the other end of each switching component is connected with a battery testing device.
2. The battery test fixture of claim 1, wherein the adapter assembly (2) comprises:
a patch cord (22) having one end connected to a lead (6) of the battery test device;
the connecting terminal (21), the patch cord (22) pass through connecting terminal (21) with clip (1) detachable connection.
3. The battery test fixture of claim 2, further comprising a first connection assembly (3), wherein the terminal (21) is removably connected to the clip (1) via the first connection assembly (3).
4. The battery test fixture according to claim 3, wherein the first connection assembly (3) comprises:
a first bolt (31) penetrating the clip (1) and the terminal (21);
and a first nut (32) that is provided on a portion of the first bolt (31) that protrudes from the clip (1) and the connection terminal (21), and that is screwed to the first bolt (31).
5. The battery test fixture according to claim 4, wherein the handle (11) of the clip (1) is provided with a first through hole, one end of the terminal (21) is provided with a second through hole corresponding to the first through hole, and the first bolt (31) can pass through the first through hole and the second through hole.
6. The battery test fixture according to claim 2, wherein one end of the adapter wire (22) is provided with a wire connection portion (23), and the wire (6) is connected with the adapter wire (22) through the wire connection portion (23).
7. The battery test fixture of claim 1, wherein the surface of the handle (11) of the clamp (1) is coated with an insulating layer.
8. The battery test fixture according to any one of claims 1-7, further comprising a distance adjustment mechanism (5), wherein the clamp (1) can be mounted at different positions of the distance adjustment mechanism (5).
9. The battery test fixture of claim 8, wherein the distance adjustment mechanism (5) comprises:
a slide rail (51);
the two clamping pieces (52) are configured to be capable of sliding along the sliding rail (51) and being fixed at different positions on the sliding rail (51), and the two clamps (1) are respectively arranged on the two clamping pieces (52).
10. A battery testing device comprising the battery testing jig of any one of claims 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921908090.9U CN211293182U (en) | 2019-11-06 | 2019-11-06 | Battery test fixture and battery test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921908090.9U CN211293182U (en) | 2019-11-06 | 2019-11-06 | Battery test fixture and battery test device |
Publications (1)
Publication Number | Publication Date |
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CN211293182U true CN211293182U (en) | 2020-08-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921908090.9U Active CN211293182U (en) | 2019-11-06 | 2019-11-06 | Battery test fixture and battery test device |
Country Status (1)
Country | Link |
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CN (1) | CN211293182U (en) |
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2019
- 2019-11-06 CN CN201921908090.9U patent/CN211293182U/en active Active
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