Connecting device for battery cell and controller
By designing the control board, positive terminal, cell connector, and metal ring, the problem of unstable connection between the cell and the controller was solved, achieving stable power output and easy assembly, thus reducing production costs.
Patent Information
- Application Number
- CN202520555990.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-03-27
AI Technical Summary
In the existing technology, the connection between the battery cell and the controller is not convenient for quick assembly, the connection is not stable enough, and it is easy to loosen or have poor contact, which affects the stability of power output.
The design employs a control board, positive terminal, cell connector, and metal ring. The control board connects to the positive terminal of the cell, and the metal ring fits into the negative terminal of the cell and the outer steel shell, ensuring a stable connection. The elastic metal sheet and electrical connector achieve good contact.
It improves the stability of the battery cell's output power, ensures device stability, facilitates assembly, and reduces production costs.
Smart Images
Figure CN223967339U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery technology, specifically to a connection device between a battery cell and a controller. Background Technology
[0002] A battery is a device for energy conversion and storage, which converts chemical or physical energy into electrical energy through a reaction. A battery consists of two electrochemically active electrodes of different compositions, forming the positive and negative electrodes, which are immersed in an electrolyte that provides the medium for conduction. When connected to an external carrier, it provides electrical energy by converting its internal chemical energy.
[0003] As the core component of a battery, the battery cell is responsible for storing and providing electrical energy, while the controller is responsible for managing the use of this electrical energy, ensuring that the electrical energy is distributed efficiently and safely, and also facilitating charging control to ensure battery safety. In the prior art, the connection between the battery cell and the controller is usually not convenient for quick assembly, the connection is not stable enough, and the contact points at the connection points are prone to loosening or poor contact, which reduces the stability of the electrical energy output by the battery cell. In view of the shortcomings of the prior art, this utility model provides a connection device between the battery cell and the controller to solve the above problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a connection device between a battery cell and a controller. Through the design of a control board, a positive terminal, a battery cell connector, and a metal ring, the assembly of the battery cell and the controller is convenient and the fixing is reliable. The control board connects to the positive terminal of the battery cell through the battery cell connector and is fitted with the negative terminal and the outer steel shell of the battery cell through the metal ring. Therefore, the connection position is stable, and poor contact is less likely to occur, which improves the stability of the battery cell's output power, ensures the stability of the device, facilitates assembly, reduces production costs, and meets usage requirements.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a connection device between a battery cell and a controller, comprising a control board, a positive terminal, a battery cell connector, and a metal ring;
[0006] The control board is part of the controller circuitry.
[0007] The positive terminal is mounted on the control board;
[0008] The battery cell connector is mounted on the control board and is in contact with the positive electrode of the battery cell.
[0009] A metal ring is disposed on the control board, and the metal ring is connected to the negative terminal of the battery cell and simultaneously in contact with the outer steel shell.
[0010] Preferably, the top of the control panel is provided with a fastener.
[0011] Preferably, the fastener is provided with a second locking block, and the control plate is provided with a second locking slot, wherein the second locking block is movably locked into the second locking slot.
[0012] Preferably, the control panel is provided with a first bayonet, and the metal ring is provided with a first locking block, the first locking block being movably engaged in the first bayonet.
[0013] Preferably, the control board is provided with a charging female port.
[0014] Preferably, the battery cell connector is made of an elastic metal sheet.
[0015] Preferably, the battery cell connector is composed of electrical connection posts.
[0016] Preferably, the electrical connection post includes:
[0017] A sleeve is mounted on the control panel;
[0018] The contact has one end slidably connected inside the sleeve, and the other end is in contact with the positive electrode of the battery cell.
[0019] A spring is disposed between the sleeve and the contact.
[0020] This utility model discloses a connection device between a battery cell and a controller, which has the following beneficial effects:
[0021] The connection device between the battery cell and the controller, through the design of the control board, positive terminal, battery cell connector, and metal ring, makes the assembly of the battery cell and the controller convenient and secure. The control board connects to the positive terminal of the battery cell through the battery cell connector and is fitted with the negative terminal and the outer steel shell through the metal ring. Therefore, the connection position is stable and poor contact is not likely to occur, which improves the stability of the battery cell's output power, ensures the stability of the device, facilitates assembly, reduces production costs, and meets usage requirements. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is a first-person perspective schematic diagram of the overall structure of this utility model;
[0024] Figure 2 This is a second-view schematic diagram of the overall structure of this utility model;
[0025] Figure 3This is a schematic diagram of the charging female port of this utility model;
[0026] Figure 4 This is an exploded view of the present invention;
[0027] Figure 5 This is a disassembly diagram of the control board of this utility model;
[0028] Figure 6 This is a schematic diagram of the structure of the elastic metal sheet of this utility model;
[0029] Figure 7 This is a schematic diagram of the structure of the electrical connection post of this utility model.
[0030] In the diagram: 1. Control board; 11. First bayonet; 12. Second bayonet; 13. Charging female port; 2. Positive terminal; 3. Cell connector; 31. Elastic metal sheet; 32. Electrical connection post; 321. Sleeve; 322. Contact; 323. Spring; 4. Metal ring; 41. First locking block; 5. Fastener; 51. Second locking block. Detailed Implementation
[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0032] This application provides a connection device for a battery cell and a controller, which solves the problems in the prior art where the connection between the battery cell and the controller is usually not easy to assemble quickly, the connection is not stable enough, the contact position at the connection is easy to loosen or have poor contact, and the stability of the battery cell's output power is reduced.
[0033] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.
[0034] Example 1:
[0035] This utility model discloses a connection device between a battery cell and a controller, according to the appendix. Figure 1-7 As shown, it includes a control board 1, a positive terminal 2, a cell connector 3, and a metal ring 4;
[0036] Control board 1 is the foundation of the controller circuit; as the foundation of the entire connection device, control board 1 carries all other components and contains the controller circuit, which is responsible for the management and control of the battery cells.
[0037] The positive terminal 2 is located on the control board 1; the positive terminal 2 is connected to the control board 1 and belongs to the positive terminal of the entire battery, which facilitates connection with external circuits.
[0038] The cell connector 3 is mounted on the control board 1 and is in contact with the positive electrode of the cell; the cell connector 3 is in contact with the positive electrode plate of the cell to achieve electrical connection.
[0039] Metal ring 4 is mounted on control board 1. Metal ring 4 is connected to the negative terminal of the battery cell and simultaneously contacts the external steel casing. Metal ring 4 serves as a support bracket for the controller and also as an electrical connector, enabling the electrical connection between the negative terminal of the battery cell and the external steel casing, thus connecting the negative terminal of the entire battery to the outside.
[0040] The top of the control board 1 is provided with a fastener 5, which is used to protect the control board 1 and the circuits thereon.
[0041] The fastener 5 is provided with a second locking block 51, and the control plate 1 is provided with a second locking slot 12. The second locking block 51 is movably locked into the second locking slot 12. Through the design of the second locking block 51 and the second locking slot 12, the control plate 1 and the fastener 5 are easily connected.
[0042] The control board 1 is provided with a first bayonet 11, and the metal ring 4 is provided with a first locking block 41. The first locking block 41 is movably locked into the first bayonet 11. The design of the first bayonet 11 and the first locking block 41 makes it easy to connect the control board 1 and the metal ring 4.
[0043] The battery cell connector 3 is composed of an elastic metal sheet 31. By using the elastic metal sheet 31, the positive electrode of the battery cell is directly in contact with the elastic metal sheet 31, and its elasticity ensures good contact.
[0044] Example 2:
[0045] This utility model discloses a connection device between a battery cell and a controller, according to the appendix. Figure 1-7 As shown, it includes a control board 1, a positive terminal 2, a cell connector 3, and a metal ring 4;
[0046] Control board 1 is part of the controller circuit basics;
[0047] The positive terminal 2 is mounted on the control board 1;
[0048] The cell connector 3 is mounted on the control board 1 and is in contact with the positive electrode of the cell;
[0049] Metal ring 4 is mounted on control board 1. Metal ring 4 is connected to the negative terminal of the battery cell and simultaneously contacts the outer steel shell.
[0050] The cell connector 3 is composed of electrical connection posts 32.
[0051] Electrical connection post 32 includes:
[0052] Sleeve 321 is mounted on control panel 1;
[0053] Contact 322, one end of which is slidably connected inside sleeve 321, and the other end is in contact with the positive terminal of the battery cell;
[0054] Spring 323 is disposed between sleeve 321 and contact 322.
[0055] Using the electrical connection post 32, the positive electrode of the battery cell needs to be brought into contact with and pressed against the contact 322. Under the action of the spring 323, the contact 322 maintains good contact with the positive electrode of the battery cell, thereby ensuring a stable connection between the positive electrode of the battery cell and the battery cell connector 3.
[0056] Example 3:
[0057] This utility model discloses a connection device between a battery cell and a controller, according to the appendix. Figure 1-7 As shown, it includes a control board 1, a positive terminal 2, a cell connector 3, and a metal ring 4;
[0058] Control board 1 is part of the controller circuit basics;
[0059] The positive terminal 2 is mounted on the control board 1;
[0060] The cell connector 3 is mounted on the control board 1 and is in contact with the positive electrode of the cell;
[0061] Metal ring 4 is mounted on control board 1. Metal ring 4 is connected to the negative terminal of the battery cell and simultaneously contacts the outer steel shell.
[0062] The control board 1 is equipped with a charging female port 13. The design of the charging female port 13 makes the overall charging of the battery convenient.
[0063] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.
[0064] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A connection device between a battery cell and a controller, characterized in that, include: The control board (1) is a basic component of the controller circuit. Positive terminal (2) is disposed on the control board (1); A cell connector (3) is disposed on the control board (1) and is in contact with the positive electrode of the cell; A metal ring (4) is disposed on the control board (1). The metal ring (4) is connected to the negative electrode of the battery cell and simultaneously contacts the outer steel shell.
2. The connection device between a battery cell and a controller according to claim 1, characterized in that, The top of the control panel (1) is provided with a fastener (5).
3. The connection device between a battery cell and a controller according to claim 2, characterized in that, The fastener (5) is provided with a second locking block (51), and the control plate (1) is provided with a second locking slot (12). The second locking block (51) is movably locked into the second locking slot (12).
4. The connection device between a battery cell and a controller according to claim 1, characterized in that, The control panel (1) is provided with a first bayonet (11), and the metal ring (4) is provided with a first locking block (41), which is movably locked into the first bayonet (11).
5. The connection device between a battery cell and a controller according to claim 1, characterized in that, The control board (1) is provided with a charging port (13).
6. The connection device between a battery cell and a controller according to claim 1, characterized in that, The battery cell connector (3) is made of an elastic metal sheet (31).
7. The connection device between a battery cell and a controller according to claim 1, characterized in that, The battery cell connector (3) is constructed using electrical connection posts (32).
8. The connection device between a battery cell and a controller according to claim 7, characterized in that, The electrical connection post (32) includes: Sleeve (321) is disposed on the control panel (1); The contact (322) has one end slidably connected inside the sleeve (321) and the other end in contact with the positive electrode of the battery cell; A spring (323) is disposed between the sleeve (321) and the contact (322).