Device for preventing short-circuit battery cell from being missed in measurement of roll core
By designing a short-circuit test device for preventing leakage of the core, the double-end short-circuit test of the battery cell by the lithium battery winding machine was realized, which solved the problem of test omission in the existing technology and improved the test efficiency and adaptability.
Patent Information
- Application Number
- CN202520212059.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing lithium battery winding machines have difficulty performing double-end short-circuit tests on the battery cells after the winding process is completed, which may lead to missed tests and low efficiency.
Design a short-circuit test device for battery cells with anti-leakage testing, including a mounting platform, a sliding frame, a threaded rod, and a test seat. Through the cooperation of the sliding frame and the threaded rod, a double-end short-circuit test can be performed on the battery cell, which can be adapted to battery cells of different heights.
This ensures the completeness of the two-terminal short-circuit test for battery cells, avoids missed tests, and improves testing efficiency and adaptability.
Smart Images

Figure CN223742696U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of making electric core, especially to a kind of short-circuit electric core device of winding core leakage prevention. BACKGROUND
[0002] The lithium battery winding machine in prior art needs to carry out short-circuit test to completed winding core to ensure the use of electric core, but the winding machine on the market can only test one end of positive or negative during final test, and the other end needs to be tested after manual overturning, which may cause test omission and slow test process. SUMMARY
[0003] Other features and advantages of the present utility model will be set forth in the following description of the utility model, and become apparent with reference to the drawings and / or practice. Those skilled in the art will realize from the following description that various modifications can be made to the utility model and that the utility model can have other aspects and advantages.
[0004] The utility model aims at overcoming the above-mentioned shortcomings, providing a kind of short-circuit electric core device of winding core leakage prevention to solve the existing problems.
[0005] To achieve the above-mentioned purpose, the technical solution of the utility model is as follows: a kind of short-circuit electric core device of winding core leakage prevention, including installation platform, the installation platform top two sides are equipped with mounting seat, the mounting seat is supported with sliding frame, the sliding frame middle part is equipped with threaded rod, the sliding frame is slidably connected with the mounting seat by sliding rod, the installation platform bottom is equipped with first placing seat, the first placing seat is equipped with multiple first test seat, the installation platform is directly below equipped with base, the base is equipped with second test seat with the first test seat opposite side, the first test seat and the second test seat are all connected with electric wire, the first placing seat is connected with the sliding rod.
[0006] In some embodiments, the first placing seat is equipped with multiple first adjusting holes, and the first test seat is connected with the first adjusting hole by screw.
[0007] In some embodiments, the base is equipped with second placing seat, and the second placing seat is equipped with multiple second adjusting holes in position opposite to the first adjusting hole, and the second test seat is connected with the second adjusting hole by screw.
[0008] In some embodiments, the threaded rod top is equipped with rotating handle.
[0009] In some embodiments, the sliding frame top is equipped with nut, and the nut is threadedly connected with the threaded rod.
[0010] By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model places the wound battery between the first test seat and the second test seat to perform the short circuit test of the positive and negative poles, so that the situation that some batteries are missed in the test due to the test of only one end can be avoided, and meanwhile, the sliding frame can slide up and down on the mounting seat by rotating the threaded rod, and the relative distance between the first test seat and the second test seat is adjusted by the sliding rod to adapt to the batteries of different heights.
[0011] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure.
[0012] It is undoubtedly that the above purposes and other purposes of the utility model will become more obvious after the description of the preferred embodiments of the utility model in the following various drawings and diagrams.
[0013] In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, one or several preferred embodiments are described below, and the drawings are shown, and the detailed description is as follows. BRIEF DESCRIPTION OF DRAWINGS
[0014] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.
[0015] In the drawings, the same components use the same reference signs, and the drawings are schematic and are not necessarily drawn according to the actual scale.
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description can obtain other drawings according to the drawings by the ordinary skilled in the art without paying creative labor.
[0017] Figure 1 The structure diagram of the short circuit battery leakage prevention device of some embodiments of the utility model. DETAILED DESCRIPTION
[0018] In order to make the purposes, technical schemes and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the specific implementation mode. It should be understood that the specific implementation mode described here is only used to explain the utility model, but not used to limit the utility model.
[0019] Furthermore, it should be understood in the description of this utility model that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral unit; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. However, specifying a direct connection indicates that the two main bodies at the connection point are not connected through a transitional structure, but are simply connected to form a whole through a connecting structure. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0021] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0022] The specific embodiments of this utility model are described below with reference to the accompanying drawings.
[0023] Reference Figure 1This utility model provides a device for preventing leakage and short-circuiting of battery cells, including a mounting platform 1. The mounting platform 1 has mounting seats 11 on both sides of its top. A sliding frame 12 is mounted on the mounting seat 11. A threaded rod 13 is provided in the middle of the sliding frame 12. The sliding frame 12 and the mounting seat 11 are slidably connected by a sliding rod 14. The bottom of the mounting platform 1 has a first placement seat 2. The first placement seat 2 is equipped with a plurality of first test seats 21. A base 3 is provided directly below the mounting platform 1. A second test seat 31 is provided on the side of the base 3 opposite to the first test seats 21. Both the first test seats 21 and the second test seats 31 are connected to wires 4. The first placement seat 2 is connected to the sliding rod 14.
[0024] Mounting platform 1 and base 3 are both mounted on the winding machine. The wound battery cells are then placed between the first test seat 21 and the second test seat 31 to perform short-circuit tests on the positive and negative terminals. This avoids the situation where some battery cells are missed due to only testing one end. At the same time, the sliding frame 12 can be moved up and down on the mounting base 11 by rotating the threaded rod 13. The relative distance between the first test seat 21 and the second test seat 31 can be adjusted by the sliding rod 14 to accommodate battery cells of different heights.
[0025] According to some embodiments of this utility model, optionally, the first placement base 2 is provided with a plurality of first adjustment holes 22, and the first test base 21 is connected to the first adjustment holes 22 by screws. This facilitates adjustment of the position of the first test base 21 to test different types of battery cells.
[0026] According to some embodiments of this utility model, optionally, the base 3 is provided with a second placement seat 32, and the second placement seat 32 is provided with a plurality of second adjustment holes 33 opposite to the first adjustment hole 22. The second test seat 31 is connected to the second adjustment holes 33 by screws. This arrangement, in conjunction with the relative position of the first test seat 21, facilitates the testing of the battery cell.
[0027] According to some embodiments of this utility model, optionally, the threaded rod 13 is provided with a rotating handle 16 at its top. This allows for easy adjustment of the position by manually rotating the threaded rod 13.
[0028] According to some embodiments of this utility model, optionally, the top of the sliding frame 12 is provided with a nut 15, which is threadedly connected to the threaded rod 13. This is used to lock the threaded rod 13 to prevent it from shaking or loosening.
[0029] It should be understood that the embodiments disclosed herein are not limited to the specific processing steps or materials disclosed herein, but should be extended to equivalent substitutions of such features as understood by those skilled in the art. It should also be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.
[0030] The term "embodiment" in this specification refers to a specific feature or characteristic described in connection with an embodiment that is included in at least one embodiment of the present invention. Therefore, phrases or "embodiments" appearing in various places throughout the specification do not necessarily refer to the same embodiment.
[0031] Furthermore, the described features or characteristics may be incorporated into one or more embodiments in any other suitable manner. In the above description, specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented without the aforementioned one or more specific details or may be implemented using other methods, components, materials, etc.
Claims
1. A device for preventing leakage and short-circuiting of wound-core battery cells, characterized in that, The utility model relates to a test stand for electronic product, which comprises: A mounting table is provided with mounting seats on both sides of the top, a sliding frame is arranged on the mounting seat, a threaded rod is arranged in the middle of the sliding frame, the sliding frame is connected with the mounting seat through a sliding rod, a first placing seat is arranged at the bottom of the mounting table, a plurality of first test seats are arranged on the first placing seat, a base is arranged directly below the mounting table, a second test seat is arranged on the side of the base opposite to the first test seat, and the first test seat and the second test seat are both connected with electric wires, and the first placing seat is connected with the sliding rod.
2. The jelly-roll leakage-preventing short-circuiting battery core device according to claim 1, characterized by: A plurality of first adjusting holes are arranged on the first placing seat, and the first test seat is connected with the first adjusting hole through a screw.
3. The jelly-roll leakage-preventing short-circuiting battery core device according to claim 2, characterized by: A second placing seat is arranged on the base, a plurality of second adjusting holes are arranged on the second placing seat at positions opposite to the first adjusting holes, and the second test seat is connected with the second adjusting hole through a screw.
4. The jelly-roll leakage prevention short-circuit detection battery core device according to claim 1, characterized by: A rotating handle is arranged at the top of the threaded rod.
5. The jelly-roll leakage prevention short-circuit detection battery core device according to claim 1, characterized in that: A nut is arranged at the top of the sliding frame, and the nut is threadedly connected with the threaded rod.