Discharging female seat, BMS assembly and battery pack
By introducing the conductive part of the bent buffer structure into the discharge mother base and directly welded with the BMS protection plate, the problems of poor compactness of the battery pack structure and complex welding are solved, and the compact design of the battery pack is realized and the welding is simplified, reducing the risk of short circuit.
Patent Information
- Application Number
- CN202422290963.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-19
AI Technical Summary
The structure caused by the discharge mother seat design in the existing battery pack is poorly compact, complex welding and short circuit risk, and the confusing wires take up a lot of space.
The conductive part that forms a buffer structure is bent and directly welded to the BMS protection plate, eliminating the adapter plate and wires, and using the buffer structure to buffer impact, simplifying the structure.
The discharge mother seat is achieved with a compact structure, reducing the volume of the battery pack, simplifying the welding process, and reducing the risk of short circuits.
Smart Images
Figure CN223181408U_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to the technical field of battery packs, and particularly to a discharge socket, a BMS component, and a battery pack. Background Art
[0002] In recent years, new energy lithium-ion batteries have developed vigorously, and products driven by rechargeable lithium-ion batteries have become more and more diverse. Small power products with beautiful appearance and small size have gradually been favored by consumers.
[0003] Currently, for battery packs with limited space, the position design of the discharge socket generally consists of a lower cover, a discharge socket, an adapter board, wires, and screws. During assembly, first, the discharge socket is welded to the adapter board to form a socket assembly with the adapter board. Then, the socket assembly is placed into the receiving groove of the lower cover. Then, wires are welded to the adapter board, and then the wires are guided and welded to the BMS (Battery Management System) protection board for power supply and communication. Then, the discharge socket is fixed to the lower cover with screws outside the lower cover. Among them, the relatively soft wires can buffer the connection terminals in the discharge socket, thereby preventing the problem of terminal breakage.
[0004] However, sufficient space is required for wiring inside the battery pack. And due to the disorderly arrangement of wires, there is a risk of wire pressing when placing the battery module. When the wires are pressed by the battery module or other components, the outer insulating layer may be worn or broken; if the insulating layer is damaged, the exposed part of the wire may come into contact with other wires or the metal part of the battery module, thus forming a short circuit. To avoid the short-circuit risk caused by wire pressing, it is usually necessary to increase the wiring space, which results in poor structural compactness of the battery pack and thus a relatively large volume of the battery pack. In addition, wires and adapter boards need to be welded during the assembly of the battery pack, resulting in time-consuming welding and relatively high welding difficulty. Summary of the Utility Model
[0005] An object of the present disclosure is to overcome the deficiencies in the prior art and provide a discharge socket, a BMS component, and a battery pack with relatively high structural compactness, shorter welding duration, and lower welding difficulty.
[0006] The object of the present disclosure is achieved by the following technical solutions:
[0007] A discharge socket includes a socket body and a connecting terminal, the socket body is provided with a plug hole, the connecting terminal includes a plug part and a conductive part, the first end of the plug part is located in the plug hole and is fixedly connected to the socket body, the first end of the conductive part is connected to the second end of the plug part, the conductive part is bent to form a buffer structure, the second end of the conductive part is protruded from the outside of the socket body, and the second end of the conductive part is used to be welded to the BMS protection plate.
[0008] In some embodiments, the conductive portion includes a connecting section and a welding section, the first end of the connecting section is connected to the second end of the plug-in portion, the first end of the buffer structure is bent to form the second end of the connecting section, the welding section is bent to form the second end of the buffer structure, and the end of the welding section facing away from the buffer structure is protruded from the outside of the base body.
[0009] In some embodiments, the buffer structure includes a first buffer segment and a second buffer segment, the first end of the first buffer segment is bent to form the second end of the connecting segment, the first end of the second buffer segment is connected to the second end of the first buffer segment, there is an angle between the second buffer segment and the first buffer segment, and the welding segment is bent to form the second end of the second buffer segment.
[0010] In some embodiments, the buffer structure also includes a transition section, the first end of the transition section is bent to form the second end of the first buffer section, and the first end of the second buffer section is bent to form the second end of the transition section, so that the second end of the first buffer section is connected to one end of the second buffer section through the transition section.
[0011] In some embodiments, the first buffer segment and the second buffer segment are symmetrically arranged.
[0012] In some embodiments, the seat body is provided with a limiting hole, and the welding section is passed through the limiting hole.
[0013] In some embodiments, the first end of the conductive portion is bent to form the second end of the plug portion.
[0014] In some embodiments, a bending angle between the conductive portion and the plug portion is 90°.
[0015] A BMS assembly includes the discharge socket described in any one of the above embodiments, the BMS assembly also including a BMS protection plate, and the second end of the conductive portion is welded to the BMS protection plate.
[0016] A battery pack includes the above-mentioned BMS assembly, the battery pack also includes a cover body, the BMS assembly is arranged in the cover body, and the base is fixedly connected to the cover body.
[0017] Compared with the prior art, the present disclosure has at least the following advantages:
[0018] 1. Since the conductive part is bent to form a buffer structure, when the conductive part is impacted, the buffer structure can play a buffering role, enabling the connection terminal to play a buffering role. Thus, there is no need to use a wire for buffering, and the technical solution of directly welding the second end of the conductive part to the BMS protection board can be realized.
[0019] 2. Since the second end of the conductive part is used for welding to the BMS protection board, the adapter board, wire, and wiring space are eliminated. This not only simplifies the structure of the discharge female socket but also makes the structure of the discharge female socket more compact, reducing the volume of the battery pack and further reducing the volume of the terminal product. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present disclosure and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.
[0021] Figure 1 Schematic diagram of the structure of a battery pack according to an embodiment;
[0022] Figure 2 is Figure 1 exploded view of the battery pack shown;
[0023] Figure 3 is Figure 2 enlarged schematic view of the battery pack shown at A;[[ID=3,0]]
[0024] Figure 4 is Figure 3 enlarged schematic view of the battery pack shown at B.
[0025] Reference numerals: 10, BMS component; 100, discharge female socket; 100a, seat body; 101, insertion hole; 102, limiting hole; 100b, connection terminal; 110, insertion part; 120, conductive part; 120a, buffer structure; 121, first buffer section; 122, second buffer section; 123, transition section; 124, connection section; 125, welding section; 200, BMS protection board; 20, cover body; 30, fastener. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0026] To facilitate the understanding of the present disclosure, the present disclosure will be described more comprehensively below with reference to the relevant accompanying drawings. Preferred embodiments of the present disclosure are shown in the accompanying drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present disclosure can be understood more thoroughly and comprehensively.
[0027] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a middle element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only embodiments.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present disclosure belongs. The terms used in the description of the present disclosure herein are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0029] The present disclosure provides a discharge female socket, including a socket body and a connection terminal. The socket body is provided with a plug hole. The connection terminal is a metal structure and is strip-shaped. The connection terminal includes a plug portion and a conductive portion. The first end of the plug portion is located in the plug hole and is fixedly connected to the socket body. The first end of the conductive portion is connected to the second end of the plug portion. The conductive portion is bent to form a buffer structure. The second end of the conductive portion protrudes outside the socket body so that the second end of the conductive portion can be directly welded to the outside, and the second end of the conductive portion is used to be welded to the BMS protection board.
[0030] The present disclosure also provides a BMS assembly, including the above-mentioned discharge female socket. The BMS assembly further includes a BMS protection board, and the second end of the conductive portion is welded to the BMS protection board. The present disclosure also provides a battery pack, including the above-mentioned BMS assembly. The battery pack further includes a cover body. The BMS assembly is arranged in the cover body, and the socket body is fixedly connected to the cover body.
[0031] For the above-mentioned discharge female socket, BMS component and battery pack, since the conductive part is bent to form a buffer structure, when the conductive part is impacted, the buffer structure can play a buffering role, enabling the connection terminal to play a buffering role. In this way, there is no need to use a wire for buffering, and the technical solution of directly welding the second end of the conductive part to the BMS protection board can be realized; since the second end of the conductive part is used for welding to the BMS protection board, the adapter board, wire and wiring space are saved, which not only simplifies the structure of the discharge female socket, but also makes the structure of the discharge female socket relatively compact, reduces the volume of the battery pack, and further reduces the volume of the terminal product.
[0032] To better understand the technical solutions and beneficial effects of the present disclosure, the following further describes the present disclosure in detail with specific embodiments:
[0033] As Figures 1 to 4 shown, a discharge female socket 100 in an embodiment includes a socket body 100a and a connection terminal 100b. The socket body 100a is provided with a plug hole 101. The connection terminal 100b is a metal structure. The connection terminal 100b is strip-shaped. The connection terminal 100b includes a plug part 110 and a conductive part 120. The first end of the plug part 110 is located in the plug hole 101 and is fixedly connected to the socket body 100a. The first end of the conductive part 120 is connected to the second end of the plug part 110. The conductive part 120 is bent to form a buffer structure 120a. The second end of the conductive part 120 protrudes outside the socket body 100a so that the second end of the conductive part 120 can be directly welded to the outside. The second end of the conductive part 120 is used for welding to the BMS protection board 200.
[0034] It can be understood that the connection terminal 100b can be a stamping structure or a die-casting structure.
[0035] For the above-mentioned discharge female socket 100, since the conductive part 120 is bent to form a buffer structure 120a, when the conductive part 120 is impacted, the buffer structure 120a can play a buffering role, enabling the connection terminal 100b to play a buffering role. In this way, there is no need to use a wire for buffering, and the technical solution of directly welding the second end of the conductive part 120 to the BMS protection board 200 can be realized; since the second end of the conductive part 120 is used for welding to the BMS protection board 200, the adapter board, wire and wiring space are saved, which not only simplifies the structure of the discharge female socket 100, but also makes the structure of the discharge female socket 100 relatively compact, reduces the volume of the battery pack, and further reduces the volume of the terminal product.
[0036] As Figure 4As shown, in some embodiments, the conductive portion 120 includes a connecting section 124 and a welding section 125. The first end of the connecting section 124 is connected to the second end of the plug-in portion 110. The first end of the buffer structure 120a is bent and formed at the second end of the connecting section 124. The welding section 125 is bent and formed at the second end of the buffer structure 120a. The end of the welding section 125 facing away from the buffer structure 120a is protruded from the outside of the base 100a. In this embodiment, the first end of the connecting section 124 is bent and formed at the second end of the plug-in portion 110. When the welding section 125 is impacted, the connection between the buffer structure 120a and the welding section 125 allows the buffer structure 120a to act as a buffer, thereby preventing the connection terminal 100b from breaking and improving the impact resistance of the connection terminal 100b.
[0037] like Figure 4 As shown, in some embodiments, the buffer structure 120a includes a first buffer segment 121 and a second buffer segment 122. The first end of the first buffer segment 121 is bent and formed at the second end of the connecting segment 124. The first end of the second buffer segment 122 is connected to the second end of the first buffer segment 121. The second buffer segment 122 and the first buffer segment 121 form an angle. The welding segment 125 is bent and formed at the second end of the second buffer segment 122. In this embodiment, due to the angle between the first buffer segment 121 and the second buffer segment 122, when the welding segment 125 is impacted, the angle between the first buffer segment 121 and the second buffer segment 122 changes, allowing the buffer structure 120a to achieve a buffering effect through elastic deformation.
[0038] It can be understood that when the impact is eliminated, the buffer structure 120a will elastically recover, that is, the shape of the buffer structure 120a will return to its original shape.
[0039] like Figure 4 As shown, in some embodiments, the buffer structure 120a further includes a transition section 123, the first end of the transition section 123 being bent and formed at the second end of the first buffer section 121, and the first end of the second buffer section 122 being bent and formed at the second end of the transition section 123, so that the second end of the first buffer section 121 is connected to one end of the second buffer section 122 via the transition section 123. In this embodiment, when the welding section 125 is impacted, the angle between the first buffer section 121 and the transition section 123 can change, and the angle between the second buffer section 122 and the transition section 123 can also change, so that the buffer structure 120a has two elastic deformations, thereby increasing the buffering capacity of the buffer structure 120a and thereby improving the impact resistance of the discharge base 100.
[0040] like Figure 4As shown, in some of these embodiments, the first buffer section 121 and the second buffer section 122 are symmetrically arranged, which improves the processing convenience of the buffer structure 120a.
[0041] Of course, the first buffer section 121 and the second buffer section 122 are not limited to a symmetrical structure. For example, in some other embodiments, the first buffer section 121 and the second buffer section 122 are respectively arranged on opposite sides of the transition section 123.
[0042] As Figure 4 shown, in some of these embodiments, the base body 100a is provided with a limiting hole 102, and the welding section 125 passes through the limiting hole 102, so that the limiting hole 102 restricts the movement of the welding section 125, avoiding the problem that the connection terminal 100b breaks due to excessive movement of the welding section 125, and improving the anti-external force interference ability of the connection terminal 100b.
[0043] As [[ID=1(12]] Figure 4 shown, in some of these embodiments, the first end of the conductive part 120 is bent and formed at the second end of the plug-in part 110, making the structure of the conductive part 120 relatively compact.
[0044] As Figure 4 shown, in some of these embodiments, the bending angle between the conductive part 120 and the plug-in part 110 is 90°. Of course, the bending angle between the conductive part 120 and the plug-in part 110 is not limited to 90°. For example, in some other embodiments, the bending angle between the conductive part 120 and the plug-in part 110 can also be 30°, 40°, 100° or other angles.
[0045] As Figure 2 and Figure 3 shown, the present disclosure also provides a BMS assembly 10, including the discharge base 100 described in any of the above embodiments. The BMS assembly 10 further includes a BMS protection board 200, and the second end of the conductive part 120 is welded to the BMS protection board 200.
[0046] For the above-mentioned BMS assembly 10, since the conductive part 120 is bent to form a buffer structure 120a, when the conductive part 120 is impacted, the buffer structure 120a can play a buffering role, so that the connection terminal 100b can play a buffering role. In this way, there is no need to use a wire for buffering, enabling the technical solution of directly welding the second end of the conductive part 120 to the BMS protection board 200 to be realized; since the second end of the conductive part 120 is used for welding to the BMS protection board 200, the adapter board, wire and wiring space are saved, not only simplifying the structure of the discharge base 100, but also making the structure of the discharge base 100 relatively compact, reducing the volume of the battery pack, and further reducing the volume of the terminal product.
[0047] AsFigures 1 to 3 As shown, the present disclosure also provides a battery pack, which includes the above-mentioned BMS component 10. The battery pack further includes a cover body 20. The BMS component 10 is disposed within the cover body 20, and the base body 100a is fixedly connected to the cover body 20.
[0048] For the above-mentioned battery pack, since the conductive portion 120 is bent to form a buffer structure 120a, when the conductive portion 120 is impacted, the buffer structure 120a can play a buffering role, enabling the connection terminal 100b to play a buffering role. In this way, there is no need to use a wire for buffering, and the technical solution of directly welding the second end of the conductive portion 120 to the BMS protection board 200 can be realized; since the second end of the conductive portion 120 is used for welding to the BMS protection board 200, the adapter board, wire, and wiring space are omitted, which not only simplifies the structure of the discharge female seat 100, but also makes the structure of the discharge female seat 100 relatively compact, reducing the volume of the battery pack and further reducing the volume of the terminal product.
[0049] As Figure 1 and Figure 2 shown, further, the battery pack further includes a fastener 30. The cover body 20 is provided with an avoidance hole, and the base body 100a is provided with a threaded hole. The fastener 30 passes through the avoidance hole, the first end of the fastener 30 is threadedly connected into the threaded hole, and the second end of the fastener 30 abuts against the cover body 20, so that the base body 100a is fixedly connected to the cover body 20 through the fastener 30.
[0050] Compared with the prior art, the present disclosure has at least the following advantages:
[0051] 1. Since the conductive portion 120 is bent to form a buffer structure 120a, when the conductive portion 120 is impacted, the buffer structure 120a can play a buffering role, enabling the connection terminal 100b to play a buffering role. In this way, there is no need to use a wire for buffering, and the technical solution of directly welding the second end of the conductive portion 120 to the BMS protection board 200 can be realized.
[0052] 2. Since the second end of the conductive portion 120 is used for welding to the BMS protection board 200, the adapter board, wire, and wiring space are omitted, which not only simplifies the structure of the discharge female seat 100, but also makes the structure of the discharge female seat 100 relatively compact, reducing the volume of the battery pack and further reducing the volume of the terminal product.
[0053] The above-described embodiments merely represent several implementation manners of the present disclosure. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the disclosed patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present disclosure, several modifications and improvements can still be made, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure patent shall be subject to the appended claims.
Claims
1. A discharge socket, comprising a socket body (100a) and a connecting terminal (100b), wherein the socket body (100a) is provided with a plug hole (101), and the connecting terminal (100b) comprises a plug portion (110) and a conductive portion (120), wherein a first end of the plug portion (110) is located in the plug hole (101) and is fixedly connected to the socket body (100a), and a first end of the conductive portion (120) is connected to a second end of the plug portion (110), characterized in that: The conductive part (120) is bent to form a buffer structure (120a), the second end of the conductive part (120) is protrudingly arranged on the outside of the base (100a), and the second end of the conductive part (120) is used for welding with the BMS protection plate (200).
2. The discharge female socket according to claim 1, wherein The conductive portion (120) comprises a connecting section (124) and a welding section (125); the first end of the connecting section (124) is connected to the second end of the plug-in portion (110); the first end of the buffer structure (120a) is bent and formed at the second end of the connecting section (124); the welding section (125) is bent and formed at the second end of the buffer structure (120a); and the end of the welding section (125) facing away from the buffer structure (120a) is protruded on the outside of the base body (100a).
3. The discharge female socket according to claim 2, wherein, The buffer structure (120a) comprises a first buffer section (121) and a second buffer section (122); the first end of the first buffer section (121) is bent and formed at the second end of the connecting section (124); the first end of the second buffer section (122) is connected to the second end of the first buffer section (121); an angle is formed between the second buffer section (122) and the first buffer section (121); and the welding section (125) is bent and formed at the second end of the second buffer section (122).
4. The discharge female socket according to claim 3, characterized in that, The buffer structure (120a) further includes a transition section (123), wherein a first end of the transition section (123) is bent to form a second end of the first buffer section (121), and a first end of the second buffer section (122) is bent to form a second end of the transition section (123), so that the second end of the first buffer section (121) is connected to one end of the second buffer section (122) through the transition section (123).
5. The discharge female socket according to claim 3, characterized in that, The first buffer section (121) and the second buffer section (122) are symmetrically arranged.
6. The discharge female socket according to claim 2, wherein, The seat body (100a) is provided with a limiting hole (102), and the welding section (125) is passed through the limiting hole (102).
7. The discharge female socket according to claim 1, wherein, The first end of the conductive portion (120) is bent to form the second end of the plug portion (110).
8. The discharge female socket according to claim 7, characterized in that, The bending angle between the conductive portion (120) and the plug-in portion (110) is 90°.
9. A BMS component, characterized in that, The discharge socket (100) comprises the discharge socket (100) according to any one of claims 1 to 8, the BMS assembly further comprises a BMS protection plate (200), and the second end of the conductive portion (120) is welded to the BMS protection plate (200).
10. A battery pack, characterized in that, Including the BMS component (10) described in claim 9, the battery pack further includes a cover body (20), the BMS component (10) is disposed within the cover body (20), and the base body (100a) is fixedly connected to the cover body (20).