Battery pack pin with controller
By designing a non-conductive pin body and a conductive pin piece on the battery pack pins, a circuit board mounting chamber is formed, which solves the problems of low connection reliability and low space utilization in the battery pack, and achieves stable connection between the circuit board and the pins and space optimization.
Patent Information
- Application Number
- CN202520220185.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-11
AI Technical Summary
The separate placement of pins and circuit boards in existing battery packs results in poor connection reliability and stability, as well as low space utilization.
Design a battery pack connector with a controller, using a non-conductive connector body and a conductive connector plate. The connector body has a spacer and a mounting cavity, and the second end of the connector plate is located in the mounting cavity, so as to realize reliable connection and stable fixation of the circuit board.
It improves the reliability and stability of the connection between the circuit board and the pins, and reduces the overall size of the battery pack without increasing space occupation, thereby improving space utilization.
Smart Images

Figure CN223858363U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the hardware technical field relates to battery pack accessories, especially the battery pack plug pin with controller. BACKGROUND
[0002] The battery pack is the complete unit that a plurality of battery monomer (such as lithium ion battery, nickel hydrogen battery, lithium polymer battery etc.) is combined together through specific electrical and mechanical design, and is equipped with necessary management system and protection device to meet the power supply demand of specific equipment or system.
[0003] The battery pack is usually composed of battery monomer, management system, shell, cooling system, electrical connecting piece, plug pin, insulating material, monitoring sensor, safety device, structural member, identification label, wire harness, sealing element and buffer material etc.
[0004] Among them, the plug pin in most battery packs is provided by the plug pin mounting structure of the battery pack charger of the patent with the authorized announcement number CN217691825U, wherein the plug pin is composed of a mounting seat and a plug pin piece, the mounting seat is provided with a positioning part for positioning and mounting on the battery pack shell, and the plug pin piece includes a first end and a second end.
[0005] The second end is used for electrically connecting the circuit board, and the circuit board in the battery pack usually needs to be fixed on the support on which a plurality of battery monomers are mounted, so that the circuit board and the second end of the plug pin piece are connected by a wire or the circuit board and the second end of the plug pin piece are directly welded and fixed, and the wire connection or welding is prone to connection fracture, poor contact and other situations, and the reliability and stability of the connection are poor, and the independent setting of the circuit board and the plug pin makes the battery pack need more space to accommodate the connection structure, resulting in the increase of the overall volume of the battery pack and the low space utilization. UTILITY MODEL CONTENTS
[0006] The utility model provides a battery pack plug pin with controller that can ensure the reliability and stability of the connection and improve the space utilization, aiming at the problems of poor connection reliability and stability and low space utilization caused by the independent setting of the plug pin and the circuit board in the existing battery pack.
[0007] The utility model adopts the technical scheme that the battery pack plug pin with controller includes plug pin main part and plug pin piece fixed on plug pin main part;
[0008] The plug pin main part adopts non-conductive material, and the plug pin piece adopts conductive material;
[0009] The pin body is provided with a spacing part, the pin piece is provided with a first end and a second end, the first end protrudes and exposes a lower end of the spacing part, and the second end protrudes and exposes an upper end of the spacing part.
[0010] An installation cavity for installing a circuit board is formed on an upper end surface of the pin body, and the second end of the pin piece is located in the installation cavity.
[0011] A further preferred embodiment of the utility model is that an upper end surface of the pin body is provided with a protruding flange, and the flange is arranged around the pin body to form the installation cavity.
[0012] A further preferred embodiment of the utility model is that the lower end of the spacing part is provided with vertical parts, and horizontal parts are connected between the vertical parts.
[0013] A further preferred embodiment of the utility model is that a limiting edge is arranged on the spacing part and protrudes from the vertical parts, the horizontal parts and the outer circle of the flange.
[0014] A further preferred embodiment of the utility model is that an L-shaped insertion cavity one is formed on the spacing part, and the insertion cavity one is formed on the vertical part or between the vertical part and the spacing part.
[0015] A further preferred embodiment of the utility model is that an insertion cavity two is formed on the spacing part, the insertion cavity one and the insertion cavity two are connected, and the insertion cavity two is connected to the installation cavity.
[0016] A further preferred embodiment of the utility model is that the first end of the pin piece is partially located in the insertion cavity one, and the second end is partially located in the insertion cavity two.
[0017] A further preferred embodiment of the utility model is that the length or width of the insertion cavity two is smaller than the length or width of the installation cavity.
[0018] A further preferred embodiment of the utility model is that the width of the insertion cavity one and the insertion cavity two is the same, and the length is different.
[0019] A further preferred embodiment of the utility model is that the first end and the second end form a T or L structure.
[0020] Compared with the prior art, the utility model has the advantages that the cavity for placing the circuit board is arranged on the pin, the size of the cavity and the circuit board can be adapted to ensure the reliability and stability of the contact or connection between the circuit board and the second end of the pin, and when the circuit board is located in the cavity, the pin and the circuit board form an integrated structure, which does not occupy additional space on the basis of the original pin, effectively reduces the overall volume of the battery pack, and effectively improves the space utilization. BRIEF DESCRIPTION OF DRAWINGS
[0021] The utility model will be further described in detail below in combination with the drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be regarded as limiting the scope of the utility model, in addition, unless specifically indicated, the drawings only schematically show the composition or structure of the described object conceptually and can contain exaggerated display, and the drawings are not necessarily drawn to scale.
[0022] Figure 1 It is the structure schematic drawing of preferred embodiment visual angle one of the utility model;
[0023] Figure 2 It is the structure schematic drawing of preferred embodiment visual angle two of the utility model;
[0024] Figure 3 It is the structure schematic drawing of preferred embodiment visual angle three of the utility model;
[0025] Figure 4 It is the sectional view of preferred embodiment visual angle three of the utility model;
[0026] Figure 5 It is the explosion drawing of preferred embodiment visual angle three of the utility model.
[0027] In the drawing: 1, the plug main body, 11, interval, 12, the edge, 13, vertical part, 14, horizontal part, 15, insert cavity one, 16, insert cavity two, 17, limiting edge; 2, the plug piece, 21, the first end, 22, the second end; 3, installation cavity. DETAILED DESCRIPTION
[0028] The preferred embodiments of the utility model will be described in detail below with reference to the drawings, and those skilled in the art will appreciate that these descriptions are only descriptive, exemplary, and should not be interpreted as limiting the protection scope of the utility model.
[0029] It should be noted that: similar signs represent similar items in the following drawings, therefore, once an item is defined in one drawing, it can not be further defined and explained in subsequent drawings.
[0030] The embodiment mainly describes the battery pack plug with controller that can ensure the reliability and stability of connection and improve the space utilization, and the specific implementation is as follows:
[0031] As Figures 1-5As shown, the battery pack pin with controller includes a pin body 1 made of non-conductive material and a pin piece 2 made of conductive material, the pin piece 2 is embedded and fixed on the pin body 1, the pin body 1 is provided with a spacing part 11 for separation, the upper end of the spacing part 11 is provided with a convex edge 12, the convex edge 12 is surrounded to form a mounting cavity 3, and the lower end of the spacing part 11 is provided with two vertical parts 13 which are convexly arranged, and the vertical part 13 is provided with an L-shaped insertion cavity one 15, the pin piece 2 is provided with a first end 21 which is embedded in the insertion cavity one 15 and partially exposed, the bottom of the mounting cavity 3 is provided with an insertion cavity two 16, and the pin piece 2 is provided with a second end 22 which is embedded in the insertion cavity two 16 and partially exposed in the mounting cavity 3.
[0032] The mounting cavity 3 is used for mounting the circuit board, the circuit board is inserted or welded in the mounting cavity 3 to realize electrical connection with the second end 22 of the pin piece 2, and the circuit board can be fixed by welding, sealing or configuring a cover body and the convex edge 12, etc., to ensure stable installation of the circuit board in the mounting cavity 3.
[0033] Preferably, the pin body 1 is usually made of non-conductive materials such as plastic, composite material or thermoplastic elastomer, and the pin piece 2 is mainly made of copper and its alloy, and is often treated by plating to enhance performance.
[0034] In this application, the cavity for placing the circuit board is provided on the pin, the size of the cavity is adapted to the size of the circuit board, which effectively ensures the reliability and stability of the contact or connection between the circuit board and the second end 22 of the pin; and when the circuit board is in the cavity, it is an integral structure with the pin, which does not occupy additional space on the basis of the original pin, effectively reduces the overall volume of the battery pack, and effectively improves the space utilization.
[0035] In this embodiment, the insertion cavity one 15 is L-shaped, the insertion cavity one 15 is connected between the insertion cavity two 16, and the insertion cavity two 16 is connected to the mounting cavity 3, the length or width of the insertion cavity two 16 is smaller than the length or width of the mounting cavity 3, the width of the insertion cavity one 15 and the insertion cavity two 16 is consistent, and the length is different, the first end 21 and the second end 22 of the pin piece 2 are T or L-shaped structure.
[0036] As shown in the figure, Figures 2-5 The two vertical parts 13 are connected by the horizontal part 14, which can effectively ensure the stability and firmness of the two vertical parts 13.
[0037] In order to ensure that the pin is suitable for installation on the battery pack, the spacing part 11 is provided with a limiting edge 17, the limiting edge 17 is convexly arranged, and the limiting edge 17 is convexly arranged relative to the outer circle of the vertical part 13, the horizontal part 14 and the convex edge 12.
[0038] The pin can be buckled or clamped between the limiting edge 17 and the shell of the battery pack, or fixed by screws and other accessories.
[0039] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed during use, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0040] The battery pack pin with the controller provided by the utility model is described in detail above, the principle and implementation mode of the utility model are described by applying specific examples in this paper, and the above embodiment description is only for helping to understand the utility model and the core idea, it should be pointed out that, for ordinary skilled personnel in the technical field, under the premise of not departing from the principle of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claim.
Claims
1. A battery pack pin with a controller, comprising a pin body and a pin piece fixed on the pin body; The pin body is made of non-conductive material, and the pin piece is made of conductive material; The pin body is provided with a spacing part, the pin piece is provided with a first end and a second end, the first end protrudes and exposes the lower end of the spacing part, and the second end protrudes and exposes the upper end of the spacing part; characterized in that The upper end surface of the pin body is provided with a mounting cavity for mounting a circuit board, and the second end of the pin piece is located in the mounting cavity.
2. The battery pack pigtail with controller of claim 1, wherein, The upper end surface of the pin body is provided with a protruding edge, and the protruding edge is surrounded by the upper end surface to form the mounting cavity.
3. The battery pack pin with controller of claim 2, wherein, The lower end of the spacing part is provided with vertical parts, and the vertical parts are connected by horizontal parts.
4. The battery pack pin with controller of claim 3, wherein, The spacing part is provided with a limiting edge, and the limiting edge protrudes from the outer circle of the vertical part, the horizontal part and the protruding edge.
5. The battery pack pin with controller of claim 2, wherein, The spacing part is provided with an L-shaped insertion cavity one, and the insertion cavity one is provided on the vertical part or the vertical part and the spacing part.
6. The battery pack pin with controller of claim 5, wherein, The spacing part is provided with an insertion cavity two, and the insertion cavity one and the insertion cavity two are connected, and the insertion cavity two is connected with the mounting cavity.
7. The battery pack pin with controller of claim 6, wherein, The first end of the pin piece is partially located in the insertion cavity one, and the second end is partially located in the insertion cavity two.
8. The battery pack pin with controller of claim 6, wherein, The length or width of the insertion cavity two is smaller than that of the mounting cavity.
9. The battery pack pin with controller of claim 6, wherein, The width of the insertion cavity one and the insertion cavity two is consistent, and the length is different or consistent.
10. The battery pack pigtail with controller of claim 1 or 9, wherein, The first end and the second end are in T or L shape.
Citation Information
Patent Citations
Pin mounting structure of battery pack charger
CN217691825U