Clamping plate device convenient to take up and used for battery cell
By designing a cell-cell ply plate device that is easy to pick up, the problem of cumbersome removal and scrapped ply plates is solved, and the protection of electrolyte corrosion and thermal expansion and contraction is achieved, and the service life of the ply plate is extended.
Patent Information
- Application Number
- CN202421549469.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing battery cell testing ply is complicated to use, and after the electrolyte corrosion or thermal expansion and contraction, the bolts are prone to "welding" or cannot be embedded in the screw holes, resulting in the scrapping of the ply.
A clamp device for easy-to-release battery cell is designed, including clamp clips, cell clamps and clamp beams. The clamp clip consists of a lower base, an upper clamp and a spring. The surface of the battery cell clamp is equipped with an installation groove. The clamp cross beam is detachably fitted into the installation groove. Both ends extend out and match the grooves of the clamp clip.
It realizes the simple and easy removal of battery cell test, prevents the problem of screw "welding" caused by electrolyte corrosion, and solves the problem that bolts cannot be embedded in screw holes due to thermal expansion and contraction, and extends the service life of the ply plate.
Smart Images
Figure CN222812868U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium ion battery core testing, in particular to a clamping plate device for a core that is easy to remove. Background Art
[0002] At present, the test splint used in the soft-pack battery test is a square splint, and there are the same number of screw holes symmetrically located around the splint. When the battery is tested, the battery is clamped between the upper and lower plates, and the torque wrench with the torque adjusted is used to tighten the screws. There are usually four screw holes on both sides of a battery splint, and the screws are usually screwed diagonally (for example: after the upper left screw is screwed, the lower right screw is then screwed). There are many screw holes, and the screwing is cumbersome. In addition, some batteries will leak after testing. It is difficult for the experimenter to find and deal with this problem in time, resulting in corrosion of the splint. If the screw holes are corroded, the bolts will be "welded to death", which will cause the splint to be scrapped. At the same time, the battery cell electrical performance test process will be accompanied by heat release, especially when the battery cell temperature rise can reach dozens of degrees during rate charge and discharge. Therefore, when the battery cell is tested for electrical performance, it will cause repeated thermal expansion and contraction of the battery cell splint. When the splint is used for a long time, the bolts cannot be embedded in the screw holes, which also causes the splint to be scrapped.
[0003] The above information disclosed in the background technology section is only used to enhance the understanding of the background of the present invention and therefore may contain information that does not constitute the prior art known to ordinary technicians in this field. Utility Model Content
[0004] The utility model aims to provide a clamping plate device for battery cells that is easy to remove, which solves the problem that it is cumbersome to remove the clamping plate for battery cell testing, and the problem that the bolts are "welded" when the clamping plate is corroded by the electrolyte of the battery cell, or the bolts cannot be inserted into the screw holes due to repeated thermal expansion and contraction of the battery cell clamping plate after electrical performance cycles.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] The utility model provides a clamping plate device for an electric core that is easy to remove, comprising:
[0007] At least one set of splint clips arranged relatively spaced apart, the splint clips comprising:
[0008] The lower base has a first groove arranged transversely at its front end.
[0009] The upper clamping mouth has a tail end which is rotatably connected to the tail end of the lower base, and a second groove is arranged transversely at the front end of the upper clamping mouth.
[0010] A spring, one end of which is connected to the front end of the lower base, and the other end of which is connected to the front end of the upper clamp;
[0011] A pair of battery core clamps, which are arranged between at least one set of clamps, and the surfaces of the battery core clamps are provided with mounting grooves;
[0012] At least one pair of clamping plate cross beams are transversely arranged between the clamping plate clips arranged relatively at intervals. The clamping plate cross beams are detachably embedded in the installation grooves and the battery clamps extending at both ends are respectively matched with the first grooves or the second grooves of the clamping plate clips at both ends.
[0013] In the clamping plate device for an easily accessible battery cell, the upper clamping opening comprises a first section pivotally connected to the tail end of the lower base, an inclined section extending upwardly from the first section, and a second section extending horizontally from the inclined section.
[0014] In the clamping plate device for a battery cell that is easy to remove from above, the second groove is aligned with the first groove in the vertical direction.
[0015] In the clamping plate device for an easily accessible battery cell, the first groove and the second groove have the same depth and width.
[0016] In the clamping plate device for the battery core that is easy to remove, the clamping plate crossbeam is a polyhedron.
[0017] In the clamping plate device for a battery cell that is easy to remove from above, one side of the battery cell clamping plate has two mounting grooves in symmetrical positions, and the structures and sizes of the two mounting grooves are exactly the same.
[0018] In the clamping plate device for the battery core that is easy to remove, the clamping plate crossbeam is embedded in the installation groove and keeps the surface of the battery core clamping plate flat.
[0019] In the above-mentioned clamping plate device for battery cells that is easy to remove from above, a pair of battery cell clamping plates are rectangular plates that are spaced apart from each other in the upper and lower parts.
[0020] In the clamping plate device for a battery cell that is easy to remove, the clamping plate crossbeam and the mounting groove are detachably mounted via concave-convex matching.
[0021] In the clamping plate device for a battery cell that is easy to remove from above, the clamping plate device for a battery cell that is easy to remove from above is a symmetrical structure.
[0022] In the above technical scheme, the utility model provides a clamping plate device for easy-to-remove battery cells, which has the following beneficial effects: it is easy to remove the battery cells by the clamping plate device; it effectively prevents the electrolyte from corroding the bolts and causing the screws to be "welded"; it solves the problem that the bolts cannot be inserted into the screw holes due to repeated thermal expansion and contraction of the battery cell clamping plate, thereby causing the battery cell clamping plate to be scrapped. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0024] Figure 1 The utility model is a schematic structural diagram of a clamping plate device for an easily accessible battery cell.
[0025] Figure 2 The utility model is a schematic structural diagram of a clamping plate device for a top-accessible battery cell.
[0026] Figure 3 The utility model is a three-dimensional schematic diagram of the clamping plate of the clamping plate device for the easy-to-take-out battery cell. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention for which protection is sought, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0034] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0035] like Figure 1-3 As shown, in one embodiment, a clamping plate device for a battery cell that is easy to remove from above of the utility model comprises:
[0036] At least one set of splint clips 100, which are arranged relatively spaced apart, and the splint clips 100 include,
[0037] The lower base 103 has a first groove arranged transversely at its front end.
[0038] The upper clamping opening 101 has a rear end that is rotatably connected to the rear end of the lower base 103, and a second groove is arranged transversely at the front end of the upper clamping opening 101.
[0039] A spring 102, one end of which is connected to the front end of the lower base 103, and the other end of which is connected to the front end of the upper clamp 101;
[0040] A pair of battery clamps 300, which are arranged between at least one set of clamps 100, and the surface of the battery clamps 300 is provided with mounting grooves;
[0041] At least one pair of clamping plate beams 200 are transversely arranged between the relatively spaced clamping plate clips 100. The clamping plate beams 200 are detachably embedded in the installation grooves and the battery clamps 300 extending at both ends respectively match the first grooves or the second grooves of the clamping plate clips 100 at both ends.
[0042] In a preferred embodiment of the clamping plate device for easy top-removal of battery cells, the upper clamping opening 101 includes a first section pivotally connected to the tail end of the lower base 103, an inclined section extending upward from the first section, and a second section extending horizontally from the inclined section.
[0043] In a preferred embodiment of the clamping plate device for a top-accessible battery cell, the second groove is aligned with the first groove in the vertical direction.
[0044] In a preferred embodiment of the clamping plate device for a battery cell that is easy to remove from above, the first groove and the second groove have the same depth and width.
[0045] In a preferred embodiment of the clamping plate device for a top-accessible battery cell, the clamping plate crossbeam 200 is a polyhedron.
[0046] In a preferred embodiment of the above-mentioned clamping plate device for a battery cell that is easy to remove from above, one side of the battery cell clamping plate 300 has two mounting grooves in symmetrical positions, and the structures and sizes of the two mounting grooves are exactly the same.
[0047] In the preferred embodiment of the above-mentioned clamping plate device for battery cells that is easy to remove, the clamping plate crossbeam 200 is embedded in the installation groove and keeps the surface of the battery cell clamping plate 300 flat.
[0048] In a preferred embodiment of the above-mentioned clamping plate device for battery cells that is easy to remove from above, the pair of battery cell clamping plates 300 are rectangular plates that are spaced apart from each other in the upper and lower parts.
[0049] In a preferred embodiment of the clamping plate device for a top-accessible battery cell, the clamping plate crossbeam 200 and the mounting groove are detachably mounted via concave-convex fit.
[0050] In a preferred embodiment of the clamping plate device for an easily accessible battery cell, the clamping plate device for an easily accessible battery cell is a symmetrical structure.
[0051] In one embodiment, a clamping device for upper-removable battery cells includes a clamping clamp 100, which includes an upper clamping opening 101, a spring 102, and a lower base 103. The tail ends of the upper clamping opening 101 and the lower base 103 are connected to each other and can rotate relative to each other. The front ends are respectively provided with a second groove and a first groove. The depth and width of the two grooves are the same, which are used to engage the clamping beam 200. At the same time, each has a hook for hanging the spring 102. The spring 102 is used to connect the upper clamping opening 101 and the lower base 103. The spring 102 has a fixed elastic force when the battery cell is tested for electrical performance; the clamping beam 200, the clamping beam 200 is a polyhedron, which can be just engaged on the surface of the battery cell clamping plate 300, and the length is greater than the width of the battery cell clamping plate 300; one side of the battery cell clamping plate has two mounting grooves for engaging the clamping beam 200. The spring 102 has a variety of models, and each model corresponds to a certain elastic force when used. According to the actual situation, a spring 102 with a certain elastic force is selected, and the spring 102 is assembled on the plywood clamp 100. The battery cell is placed between the two battery cell plywoods 300, and after the plywood crossbeam 200 is placed, the plywood clamps 100 are closed on both sides of the plywood crossbeam 200 to fix the battery cell plywood 300, and then it can be used for electrical performance testing of the battery cell.
[0052] In one embodiment, the clamping plate crossbeam 200 is a polyhedral structure to prevent the upper clamping plate and the lower clamping plate from moving relative to each other during the electrical performance test of the battery cell, and can just fit into the groove on the clamping plate surface without protrusion. The battery cell clamping plate 300 has two mounting grooves on only one side, and the two mounting grooves are in symmetrical positions and have exactly the same structure size. The material of the clamping plate clamp 100 is not limited, and the battery cell clamping plate 300 and the clamping plate crossbeam 200 are made of metal.
[0053] Finally, it should be noted that the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present application.
[0054] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A clamping plate device for a battery cell that is easy to remove, characterized in that: These include, At least one set of splint clips arranged relatively spaced apart, the splint clips comprising: The lower base has a first groove arranged transversely at its front end. The upper clamping mouth has a tail end which is rotatably connected to the tail end of the lower base, and a second groove is arranged transversely at the front end of the upper clamping mouth. A spring, one end of which is connected to the front end of the lower base, and the other end of which is connected to the front end of the upper clamp; A pair of battery core clamps, which are arranged between at least one set of clamps, and the surfaces of the battery core clamps are provided with mounting grooves; At least one pair of clamping plate cross beams are transversely arranged between the clamping plate clips arranged relatively at intervals. The clamping plate cross beams are detachably embedded in the installation grooves and the battery clamps extending at both ends are respectively matched with the first grooves or the second grooves of the clamping plate clips at both ends.
2. A clamping plate device for an easily accessible battery cell according to claim 1, characterized in that: The upper clamp includes a first section pivotally connected to the tail end of the lower base, an inclined section extending upwardly from the first section, and a second section extending horizontally from the inclined section.
3. The clamping plate device for an easily accessible battery cell according to claim 1, characterized in that: The second groove is aligned with the first groove in the vertical direction.
4. The clamping plate device for an easily accessible battery cell according to claim 1, characterized in that: The first groove and the second groove have the same depth and width.
5. The clamping plate device for an easily accessible battery cell according to claim 1, characterized in that: The plywood beam is a polyhedron.
6. The clamping plate device for an easily accessible battery cell according to claim 1, characterized in that: One side of the battery core clamp has two mounting grooves in symmetrical positions, and the two mounting grooves have exactly the same structure and size.
7. The clamping plate device for an easily accessible battery cell according to claim 1, characterized in that: The clamping plate cross beam is embedded in the installation groove and keeps the surface of the battery core clamping plate flat.
8. The clamping plate device for an easily accessible battery cell according to claim 1, characterized in that: The pair of battery core clamps are rectangular plates arranged vertically and spaced apart.
9. The clamping plate device for an easily accessible battery cell according to claim 1, characterized in that: The clamping plate cross beam and the mounting groove are detachably mounted via concave-convex matching.
10. The clamping plate device for an easily accessible battery cell according to claim 1, characterized in that: The clamping plate device for the battery core that is easy to remove from above is a symmetrical structure.