Battery cover plate terminal structure
By designing the bonded connection of the battery cover plate terminal structure and the connection method of the conductive spring movable block, the problem of the electrode terminal and bus bar loose in vibration and impact environments is solved, and the structural stability and heat derivation efficiency of the battery module are improved.
Patent Information
- Application Number
- CN202421368339.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The electrode terminal and bus bar are connected by welding, which is easy to loosen in vibration and impact environments, resulting in unstable battery module structure.
A battery cover terminal structure is designed, in which the upper terminal and the lower terminal are connected by adhesive, and the positive electrode and the negative electrode bus bar are connected to the battery through conductive springs and movable blocks, respectively, to ensure stable connection in vibration and impact environments.
Through the design of the adhesive connection and the conductive spring moving block, the electrode terminals and bus bars will not loosen in vibration and impact environments, which improves the structural stability of the battery module and improves the heat derivation efficiency through the use of thermally conductive materials.
Smart Images
Figure CN222966221U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of new energy batteries, in particular to a battery cover terminal structure. Background Art
[0002] With the rapid development of electric vehicles and energy storage devices, the usage and performance requirements of batteries are also getting higher and higher. The electrode terminals of adjacent rechargeable batteries are connected by busbars, and the busbars and electrode terminals are mostly connected by welding.
[0003] In an environment of vibration and shock, the connection between the busbar and the electrode terminal connected by welding may become loose, resulting in an unstable structure of the battery module. Summary of the Utility Model
[0004] (1). Technical Problems to be Solved
[0005] The technical problem to be solved by the utility model is that the electrode terminal and the busbar are connected by welding, and in an environment of vibration and shock, the electrode terminal and the busbar are prone to become loose.
[0006] (2). Technical Solutions
[0007] To solve the above technical problems, the technical solution provided by the utility model is: a battery cover terminal structure, including an upper terminal and a lower terminal that cooperate with each other. On the sides of the upper terminal and the lower terminal close to each other, there are respectively provided a number of mutually cooperating upper receiving grooves and lower receiving grooves. Inside the upper receiving groove and the lower receiving groove, there are respectively provided an upper groove and a lower groove. On one side wall of one end of the upper terminal and the lower terminal, there are respectively provided an upper installation groove and a lower installation groove that communicate the upper groove and the lower groove. Inside the upper receiving groove and the lower receiving groove, there is a new energy battery. Inside the upper installation groove and the lower installation groove, there are respectively provided a positive busbar and a negative busbar. Inside the upper groove, there is a cap that is snap-fitted with the new energy battery and a positive conductive spring that abuts against the cap. The other end of the positive conductive spring is connected to the positive busbar. Inside the lower groove, there is a negative conductive spring and a movable block that abuts against the negative conductive spring. The movable block is connected to the negative electrode of the new energy battery, and the negative conductive spring is connected to the negative busbar.
[0008] As an improvement, the upper terminal and the lower terminal are adhesively connected.
[0009] As an improvement, the positive busbar and the negative busbar respectively extend to the outside of the upper installation groove and the lower installation groove.
[0010] As an improvement, both the upper terminal and the lower terminal are made of heat-conducting materials.
[0011] (3). Beneficial Effects
[0012] The advantages of the present utility model compared with the prior art are as follows:
[0013] 1. The positive electrode of the new energy battery is connected to the positive bus bar through a cap connected by snap fit and a positive electrode conductive spring abutting against the cap, and the negative electrode of the new energy battery is connected to the negative bus bar through a movable block and a negative electrode conductive spring. In a vibrating and impact environment, the new energy battery will not become loose from the positive bus bar and the negative bus bar;
[0014] 2. Both the upper terminal and the lower terminal are made of heat-conducting materials, which can quickly conduct out the heat generated during the operation of the new energy battery. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic structural diagram of the present utility model.
[0016] Figure 2 is a schematic structural diagram of the present utility model.
[0017] Figure 3 is a schematic structural diagram of the present utility model in a top view state.
[0018] Figure 4 is a schematic structural diagram of the present utility model in a sectional view taken along line A-A.
[0019] As shown in the figure: 1. Upper terminal; 2. Lower terminal; 3. Upper receiving groove; 4. Lower receiving groove; 5. Upper groove; 6. Lower groove; 7. Upper mounting groove; 8. Lower mounting groove; 9. New energy battery; 10. Positive bus bar; 11. Negative bus bar; 12. Cap; 13. Positive electrode conductive spring; 14. Negative electrode conductive spring; 15. Movable block. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as limiting the present utility model.
[0021] In the description of the present utility model: It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
[0022] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more, unless otherwise clearly defined.
[0023] In the present utility model, unless otherwise clearly specified and defined, terms such as "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0024] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.
[0025] Embodiment 1
[0026] Combined with the attached Figures 1-4, A battery cover plate terminal structure, comprising an upper terminal 1 and a lower terminal 2 that cooperate with each other. The upper terminal 1 and the lower terminal 2 are adhesively connected. Both the upper terminal 1 and the lower terminal 2 are made of heat-conducting materials, which can quickly conduct out the heat generated by the new energy battery 9. On the sides of the upper terminal 1 and the lower terminal 2 close to each other, a number of mutually cooperating upper receiving grooves 3 and lower receiving grooves 4 are respectively provided. Upper grooves 5 and lower grooves 6 are respectively provided in the upper receiving grooves 3 and the lower receiving grooves 4. Upper mounting grooves 7 and lower mounting grooves 8 communicating with the upper grooves 5 and the lower grooves 6 are respectively provided on the side walls of one ends of the upper terminal 1 and the lower terminal 2. The new energy battery 9 is provided in the upper receiving grooves 3 and the lower receiving grooves 7. A positive bus bar 10 and a negative bus bar 11 are respectively provided in the upper mounting groove 7 and the lower mounting groove 8. A cap 12 that is snap-connected to the new energy battery 9 and a positive conductive spring 13 that abuts against the cap 12 are provided in the upper groove 5. The other end of the positive conductive spring 13 is connected to the positive bus bar 10. The cap 12 covers the protrusion of the new energy battery 9. The positive conductive spring 13 connects the positive bus bar 10 and the cap 12, so that the new energy battery 9 and the positive bus bar 10 will not become loose in a vibrating and impact environment. A negative conductive spring 14 and a movable block 15 that abuts against the negative conductive spring 14 are provided in the lower groove 6. The movable block 15 is connected to the negative electrode of the new energy battery 9. The negative conductive spring 14 is connected to the negative bus bar 11. The new energy battery 9 and the negative bus bar 11 are connected through the conductive spring 14 and the movable block, so that the new energy battery 9 and the negative bus bar 11 will not become loose in a vibrating and impact environment.
[0027] The positive bus bar 10 and the negative bus bar 11 respectively extend to the outside of the upper mounting groove 7 and the lower mounting groove 8, which is convenient for wiring the positive bus bar 10 and the negative bus bar 11.
[0028] The new energy battery 9 mentioned in the present utility model can be provided by the manufacturer. In addition, the circuits, electronic components and modules involved in the present utility model are all prior arts, which can be fully realized by those skilled in the art without further elaboration.
[0029] All the features described in the specification, the appended claims and the drawings, whether alone or in any combination thereof, are important features of the present utility model.
[0030] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "a kind of implementation manner", "specific implementation manner", "other implementation manners", "example", "specific example" or "some examples", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment, implementation manner or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described above can also be combined in a suitable manner in any one or more embodiments, implementation manners or examples. The technical solutions described in the present utility model also include the technical solutions formed by any one or more of the above-described specific features, structures, materials or characteristics alone or in combination.
[0031] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Without departing from the principles and purposes of the present utility model, those of ordinary skill in the art can make changes, modifications, substitutions, variations, delete some features, add features or re-combine features to form technical solutions within the scope of the present utility model. Any simple modification, equivalent change and modification made to the above embodiments based on the innovative principles of the present utility model still fall within the scope of the technical solutions of the present utility model.
Claims
1. A battery cover terminal structure, characterized in that: It comprises an upper terminal and a lower terminal which cooperate with each other, wherein a plurality of upper accommodating grooves and a lower accommodating grooves which cooperate with each other are respectively provided on the side where the upper terminal and the lower terminal are close to each other, an upper groove and a lower groove are respectively provided in the upper accommodating groove and the lower accommodating groove, an upper mounting groove and a lower mounting groove which are connected to the upper groove and the lower groove are respectively provided on the side walls at one end of the upper terminal and the lower terminal, a new energy battery is arranged in the upper accommodating groove and the lower accommodating groove, a positive bus bar and a negative bus bar are respectively arranged in the upper mounting groove and the lower mounting groove, a cap which is snap-connected with the new energy battery and a positive conductive spring which abuts against the cap are arranged in the upper groove, the other end of the positive conductive spring is connected to the positive bus bar, a negative conductive spring and a movable block which abuts against the negative conductive spring are arranged in the lower groove, the movable block is connected to the negative electrode of the new energy battery, and the negative conductive spring is connected to the negative bus bar.
2. A battery cover terminal structure according to claim 1, characterized in that: The upper terminal and the lower terminal are bonded and connected.
3. A battery cover terminal structure according to claim 1, characterized in that: The positive bus bar and the negative bus bar extend to the outer sides of the upper mounting groove and the lower mounting groove respectively.
4. A battery cover terminal structure according to claim 1, characterized in that: The upper terminal and the lower terminal are both made of heat-conducting material.