CN219143050U - Lithium battery pack finished product electrical characteristic test fixture - Google Patents
Lithium battery pack finished product electrical characteristic test fixture Download PDFInfo
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- CN219143050U CN219143050U CN202223358614.6U CN202223358614U CN219143050U CN 219143050 U CN219143050 U CN 219143050U CN 202223358614 U CN202223358614 U CN 202223358614U CN 219143050 U CN219143050 U CN 219143050U
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- electrode probe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a lithium battery pack finished product electrical characteristic test fixture, which belongs to the technical field of battery product detection fixtures and comprises a substrate, a side positioning part, a lower positioning part, a negative electrode probe mounting part, a guide rail and a positive electrode probe mounting part, wherein the side positioning part is arranged on the substrate; the substrate is provided with a test end surface for positioning the lithium battery assembly card; the side positioning component is fixed on the test end surface of the substrate, and opposite side positioning end surfaces are arranged on opposite side parts of the side positioning component; the lower positioning component is fixed on the test end surface of the substrate, and the upper side part of the lower positioning component is provided with a lower positioning end surface; a negative electrode probe mounting member mounted to the substrate, the negative electrode probe mounting member having a negative electrode docking portion coupled to a negative electrode of the lithium battery pack; the guide rail is arranged on the test end surface of the base plate, and the extending direction of the guide rail is vertical to the lower positioning end surface; the positive electrode probe installation component is installed in the guide rail, and the positive electrode probe installation component is provided with a plurality of exploratory holes for installing the positive electrode probe. The fixture can remarkably improve the testing efficiency of the electrical characteristics of the lithium battery pack.
Description
Technical Field
The utility model belongs to the technical field of battery product detection jigs, and particularly relates to a lithium battery component electrical characteristic test jig.
Background
Lithium batteries are a conventional carrier component for electrical energy storage. With the continuous development and maturity of battery technology, electronic devices and new energy devices are widely applied in various fields, and lithium battery packs have become core components required for products applicable to life production. The electronic products and the new energy products have huge differences in types, functions, sizes and working environments, so that the battery pack has different assembly requirements. The detection of electrical characteristics (such as voltage, internal resistance, charge and discharge, etc.) of products is required before the lithium ion battery pack is shipped. For lithium battery products using a single cell, the test sites are basically positive, negative and T terminals. At present, in the detection process of a lithium battery pack product, the positive electrode and the negative electrode of the lithium battery pack are connected with corresponding probes by holding the probes by detection personnel, the greatest problem of the detection mode is low efficiency, and the detection error is easy to occur due to the fact that the detection positions of the positive electrode terminals of the lithium battery pack are dense, and the detection error is easy to occur.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides the lithium battery component electrical characteristic test jig for solving the problems of low electrical characteristic test efficiency and easy error occurrence of the existing lithium ion battery component.
The utility model is realized in this way, a lithium battery finished product electrical characteristic test fixture, characterized by, including the base plate, side locating part, lower locating part, negative pole probe mounting part, guide rail and positive pole probe mounting part; the substrate is provided with a test end surface for positioning the lithium battery assembly card; the side positioning component is fixed on the test end surface of the substrate by using a screw, and opposite side positioning end surfaces are arranged on opposite side parts of the side positioning component; the lower positioning component is fixed on the test end surface of the substrate by using a screw, and the upper side part of the lower positioning component is provided with a lower positioning end surface; the negative electrode probe mounting component is mounted on the substrate and is provided with a negative electrode butt joint part combined with a negative electrode of the lithium battery pack; the guide rail is arranged on the test end surface of the base plate, and the extending direction of the guide rail is perpendicular to the lower positioning end surface; the positive electrode probe installation component is installed in the guide rail and moves along the guide rail, and the positive electrode probe installation component is provided with a plurality of probe holes for installing the positive electrode probes.
In the above-described aspect, preferably, at least one of the side positioning members is provided with a long hole, a long axis of the long hole is perpendicular to the side positioning end surface, and the side positioning portion is attached to the base plate by a screw penetrating the long hole.
In the above technical solution, preferably, the lower positioning member includes a seat plate portion and a riser portion perpendicular to the seat plate portion, the lower positioning end surface is provided on the riser portion, and the seat plate portion is fixed on the test end surface of the substrate by using a screw.
In the above technical solution, preferably, the riser portion is a negative electrode probe mounting member, and the negative electrode butt portion forms a lower positioning end face of the riser portion.
In the above technical solution, preferably, the guide rail includes guide rods symmetrically disposed at left and right sides of the test end surface and disposed in parallel, the guide rail is provided with a guide sleeve, and the positive electrode probe mounting component is connected with the guide sleeve.
In the above technical scheme, preferably, the positive electrode probe mounting component is a rectangular plate body, sleeve holes combined with the guide sleeve are formed in two side portions of the rectangular plate body, and the exploratory hole is formed in the middle of the rectangular plate body.
In the above technical scheme, preferably, the device comprises a tightening member, the tightening member is mounted on the test end surface of the substrate, the tightening member is connected with the positive electrode probe mounting member, and the tightening member is used for driving the positive electrode probe mounting member to move.
In the above technical solution, preferably, the tightening member is an elbow clamp, the elbow clamp has an ejector rod, a threaded lock rod is mounted at the front end of the ejector rod, and a locking circumferential groove combined with the positive electrode probe mounting member is formed by an end portion of the threaded lock rod and an end portion of the ejector rod.
In the above technical solution, preferably, a notch combined with the locking circumferential groove is provided at an upper portion of the positive electrode probe mounting member.
The utility model has the advantages and effects that:
the application technical scheme provides a special location clamp jig suitable for lithium battery pack product electrical characteristic test of single electric core, under this jig to the effect of lithium battery pack clamp positioning, the probe of installing on the tool can with the positive negative pole terminal of lithium battery pack quick and accurate butt joint, realizes the quick test to the lithium battery pack. On the other hand, the positive electrode probe mounting part is provided with the probe holes which correspond to the positive electrode terminals of the lithium battery packs with different models and are used for mounting probes, so that the jig can be quickly adapted to the tests of the lithium battery packs with different models, the convenience in production and mass production of the lithium battery packs can be improved, the switching time is effectively shortened when the production of the lithium battery packs with different models is switched, and the cost and the production time are saved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the side roof block and the lower locating block with the base plate in the present utility model;
FIG. 3 is a schematic view of the mounting structure of the positive electrode probe mounting plate and the substrate according to the present utility model;
FIG. 4 is a schematic view of the structure of the toggle clamp of the present utility model;
fig. 5 is a structural view of a lithium battery pack according to the present utility model;
fig. 6 is a schematic view of the use state of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In order to solve the problem that the existing lithium ion battery pack product has low electrical characteristic testing efficiency and is easy to cause errors, the utility model particularly provides a lithium battery pack finished product electrical characteristic testing jig which can remarkably improve the testing efficiency of the electrical characteristic of the lithium battery pack. For further explanation of the structure of the present utility model, the detailed description is as follows in connection with the accompanying drawings:
referring to fig. 1-6, a fixture for testing electrical characteristics of a finished lithium battery pack product comprises a substrate 1, a side positioning part 2, a lower positioning part 3, a negative electrode probe mounting part, a guide rail 4 and a positive electrode probe mounting part 5.
The base plate is a base part of the jig and is used for mounting other clamping and positioning parts for carrying the jig. The base plate has a test end face for mounting and positioning the lithium battery pack 8. In this embodiment, the base plate is a rectangular plate body made of bakelite, on which screw holes for mounting other components are machined. The test end face is an operation face for positioning the lithium battery assembly card.
The side positioning member is a member for positioning the lithium battery pack product to be tested on the test end face. The side positioning part is fixed on the test end surface of the substrate by using a screw, and opposite side parts of the side positioning part are provided with opposite side positioning end surfaces. The positioning end surfaces on two sides are vertical planes which are parallel to each other, and the positioning end surfaces on two sides are respectively contacted with two side parts of the lithium battery pack, so that the left and right positioning of the lithium battery pack is realized. The side positioning component is a nylon component. Specifically, at least one of the side positioning members is provided with a long hole, the long axis of the long hole is perpendicular to the side positioning end surface, and the side positioning member is mounted on the substrate by a screw penetrating the long hole. The long holes have the function of enabling the distance between the positioning end surfaces at two sides to be adjustable, so that the positioning parts at two sides can be suitable for lateral positioning of lithium battery packs with different sizes.
The lower positioning member is a member for positioning the lower end of the lithium battery pack on the driven side against the lower end. The lower locating component is fixed on the test end face of the base plate by utilizing a screw, the upper side part of the lower locating component is provided with a lower locating end face, and the lower locating end face is a vertical plane perpendicular to the side locating end face. The lower positioning component comprises a seat plate part and a vertical plate part perpendicular to the seat plate part, and the seat plate part and the vertical plate part are integrated components made of nylon materials. The lower locating end face is arranged on the vertical plate part, and the seat plate part is fixed on the test end face of the base plate by using screws.
The negative electrode probe mounting part is a structural part which plays a role of butting with a negative electrode of the lithium battery pack. The negative electrode probe mounting member is mounted on the substrate, and has a negative electrode butt joint portion that is coupled to a negative electrode of the lithium battery pack. Specifically, the riser portion is a negative electrode probe mounting member, and the negative electrode butt joint portion forms a lower positioning end face of the riser portion.
The guide rail is arranged on the test end face of the base plate, and the extending direction of the guide rail is perpendicular to the lower positioning end face. In this embodiment, the guide rail includes parallel guide rods symmetrically disposed at left and right sides of the test end surface, and the guide rods are cylindrical polished rods. The test end face of the substrate is provided with a guide rod fixing block, and two ends of the guide rod are fixedly arranged on the guide rod fixing block. The guide rail is provided with a guide sleeve 6, namely a guide through hole matched with the guide rod is arranged on the guide sleeve, and the guide sleeve is sleeved on the guide rod and moves along the axis of the guide rod.
The positive electrode probe mounting component is mounted on the guide rail and moves along the guide rail, and is provided with a plurality of probe holes 5-1 for mounting the positive electrode probes. The positive electrode probe mounting component is a rectangular plate body. The positive electrode probe installation component is connected with the guide sleeve, namely, sleeve holes combined with the guide sleeve are formed in two side parts of the rectangular plate body, the guide sleeve is sleeved on the left side and the right side of the positive electrode probe installation component, an end flange of the guide sleeve is connected with the positive electrode probe installation component through screws, a probing hole is formed in the middle of the rectangular plate body, the probing hole is a through hole penetrating through the front end face and the rear end face of the positive electrode probe installation component, the position design of the through hole is designed according to the position of a positive electrode terminal of a lithium battery pack with various types, and the number and the position of the probing hole can be suitable for testing of the lithium battery packs with various types.
The positive electrode probe comprises a jacking component 7, wherein the jacking component is arranged on the test end face of the substrate and is connected with a positive electrode probe mounting component, and the jacking component is used for driving the positive electrode probe mounting component to move. The pushing component is an automatic or manual operation component for driving the positive electrode probe mounting component to move. In this embodiment, specifically, the pushing component is a manually operated elbow clamp, the elbow clamp is a conventional standard component, the elbow clamp is provided with a push rod 7-1, and the push rod is controlled by an operation handle of the elbow clamp to stretch along the axis of the guide rod. The front end of the ejector rod is provided with a threaded lock rod 7-2, and the threaded lock rod can be adjusted in the length of screwing into the ejector rod by rotating around the axis of the threaded lock rod. The end of the screw thread lock rod and the end of the ejector rod form a locking circumferential groove combined with the positive electrode probe installation component, and the width of the locking circumferential groove can be changed by rotating the screw thread lock rod, so that the positive electrode probe installation component can be locked and connected. The upper portion of anodal probe installation component is equipped with the notch that combines with locking circumference groove, and this kind of structural design can realize installing the elbow clamp after anodal probe installation component assembly is accomplished, makes this tool equipment and dismouting simpler when changing the part.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The utility model provides a lithium cell group finished product electrical property test fixture which characterized in that includes:
the lithium battery assembly card comprises a substrate, a first connecting piece and a second connecting piece, wherein the substrate is provided with a test end surface for positioning the lithium battery assembly card;
the side positioning component is fixed on the test end face of the substrate by using a screw, and opposite side parts of the side positioning component are provided with opposite side positioning end faces;
the lower positioning component is fixed on the test end surface of the substrate by using a screw, and the upper side part of the lower positioning component is provided with a lower positioning end surface;
a negative electrode probe mounting member mounted to the substrate, the negative electrode probe mounting member having a negative electrode docking portion to be coupled to a negative electrode of the lithium battery pack;
the guide rail is arranged on the test end face of the base plate, and the extending direction of the guide rail is perpendicular to the lower positioning end face;
the positive electrode probe installation component is installed on the guide rail and moves along the guide rail, and the positive electrode probe installation component is provided with a plurality of probe holes for installing the positive electrode probe.
2. The jig for testing electrical characteristics of lithium battery components according to claim 1, wherein at least one of the side positioning members is provided with a long hole, a long axis of the long hole is perpendicular to the side positioning end face, and the side positioning portion is mounted to the substrate by a screw penetrating the long hole.
3. The fixture for testing electrical characteristics of a lithium battery composition according to claim 2, wherein the lower positioning member comprises a seat plate portion and a vertical plate portion perpendicular to the seat plate portion, the lower positioning end surface is provided on the vertical plate portion, and the seat plate portion is fixed to the testing end surface of the substrate by screws.
4. The fixture for testing electrical characteristics of a lithium battery composition according to claim 3, wherein the riser portion is a negative electrode probe mounting member, and the negative electrode butt joint portion forms a lower positioning end face of the riser portion.
5. The fixture for testing electrical characteristics of lithium battery components according to claim 4, wherein the guide rail comprises guide rods symmetrically arranged at the left and right sides of the testing end face and arranged in parallel, the guide rail is provided with a guide sleeve, and the positive electrode probe mounting component is connected with the guide sleeve.
6. The fixture for testing electrical characteristics of lithium battery components according to claim 5, wherein the positive electrode probe mounting component is a rectangular plate body, sleeve holes combined with the guide sleeve are formed in two side portions of the rectangular plate body, and the probe holes are formed in the middle portion of the rectangular plate body.
7. The fixture for testing electrical characteristics of a lithium battery composition according to claim 6, comprising a tightening member mounted on the test end surface of the substrate, the tightening member being connected to the positive electrode probe mounting member, the tightening member being configured to drive the positive electrode probe mounting member to move.
8. The fixture for testing electrical characteristics of a lithium battery pack according to claim 7, wherein the tightening member is an elbow clamp, the elbow clamp has an ejector rod, a threaded lock rod is mounted at the front end of the ejector rod, and a locking circumferential groove combined with the positive electrode probe mounting member is formed by the end of the threaded lock rod and the end of the ejector rod.
9. The fixture for testing electrical characteristics of lithium battery components according to claim 8, wherein the positive electrode probe mounting member has a notch formed at an upper portion thereof to be coupled with the locking circumferential groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223358614.6U CN219143050U (en) | 2022-12-12 | 2022-12-12 | Lithium battery pack finished product electrical characteristic test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223358614.6U CN219143050U (en) | 2022-12-12 | 2022-12-12 | Lithium battery pack finished product electrical characteristic test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219143050U true CN219143050U (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223358614.6U Active CN219143050U (en) | 2022-12-12 | 2022-12-12 | Lithium battery pack finished product electrical characteristic test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219143050U (en) |
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2022
- 2022-12-12 CN CN202223358614.6U patent/CN219143050U/en active Active
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