A battery pack control unit signal acquisition line connection structure

Abstract

The utility model provides a kind of battery pack control unit signal acquisition circuit electrical connection structure, above-mentioned battery pack control unit signal acquisition circuit electrical connection structure is placed to aluminium row in assembling process, make the positioning hole of aluminium row and the fixed hole of fixed plate communicated that are set up on fixed plate. Inserting column is connected together with aluminium row in proper order by passing through fixed hole and positioning hole with fixed plate. Limiting plate and fixed plate abut together, fixed plate and aluminium row are welded together, connecting plate and aluminium row are welded together. Further, limiting plate and fixed plate are welded together. Above-mentioned battery pack control unit signal acquisition circuit electrical connection structure in working process, outside collection wire harness is crimped in positioning cavity and is electrically connected with two clamping plates. The connection stability between above-mentioned battery pack control unit signal acquisition circuit electrical connection structure and outside collection wire harness is high, firmness is good, not easy to break line, not easy to appear the problem of poor contact.

Description

Technical Field

[0001] This utility model relates to the field of fixing signal acquisition lines of battery pack control units, and in particular to the power connection structure of signal acquisition lines of battery pack control units. Background Technology

[0002] Golf carts and similar low-speed vehicles typically use lead-acid batteries for power. However, with the development of new energy technologies, newer models are gradually switching to lithium-ion batteries and other renewable energy sources. Older models, still within their service life, are seeing a shift towards lithium-ion batteries in the secondary replacement market. Lithium-ion batteries offer advantages such as light weight, high energy density, powerful performance, and long cycle life. This market context has led to the development of lithium-ion batteries for golf carts.

[0003] However, the signal acquisition (voltage, temperature) circuits of the BMS control unit inside the battery pack are currently mostly fixed by solder or screws. This process is not secure and is easily affected by vehicle vibration in actual applications, which can easily cause problems such as broken wires and poor contact, resulting in overall product failure and reduced product reliability. Utility Model Content

[0004] Therefore, it is necessary to provide a power connection structure for the signal acquisition line of the battery pack control unit to address the technical problems of traditional signal acquisition line fixing methods being insecure, prone to breakage, and having poor contact.

[0005] A power connection structure for a signal acquisition line of a battery pack control unit, comprising: a battery pack body and several power connection mechanisms. The battery pack body is provided with several aluminum bars, and positioning holes are provided on the aluminum bars; Each of the aforementioned power-connecting mechanisms is correspondingly disposed at one of the aforementioned positioning holes; the power-connecting mechanism includes a power-connecting terminal and a rivet; the power-connecting terminal includes a fixing plate, a connecting plate, and two locking plates; the fixing plate has a fixing hole; the connecting plate is connected to the middle area of ​​one end of the fixing plate; the two locking plates are symmetrically disposed on both sides of the connecting plate; both locking plates are perpendicularly connected to the connecting plate; the connecting plate and the two locking plates form a positioning cavity; The rivet includes a limiting plate and an insertion post; the insertion post is connected to the middle area of ​​the limiting plate, and an insertion head is provided at the end of the insertion post away from the limiting plate; the positioning hole and the fixing hole are both adapted to the insertion post, and the insertion post passes through the fixing hole and the positioning hole in sequence to connect the fixing plate and the aluminum busbar together; the limiting plate and the fixing plate abut together; the fixing plate and the aluminum busbar are welded together; the connecting plate and the aluminum busbar are welded together.

[0006] In one embodiment, the fixing plate is a rectangular plate structure.

[0007] In one embodiment, the connecting plate is a rectangular plate structure.

[0008] In one embodiment, the card slot plate is a rectangular plate structure.

[0009] In one embodiment, the insertion head is a hemispherical structure.

[0010] In one embodiment, the insertion head and the insertion post are integrally formed.

[0011] In one embodiment, the limiting plate and the insertion post are integrally formed.

[0012] In one embodiment, the connecting plate and the fixing plate are integrally formed.

[0013] In one embodiment, both of the card slot plates are integrally formed with the connecting plate.

[0014] In one embodiment, the fixing plate, the connecting plate, and the two positioning plates are integrally formed.

[0015] During assembly, the aforementioned battery pack control unit signal acquisition circuit power connection structure involves placing a fixing plate onto an aluminum busbar, aligning the positioning holes on the aluminum busbar with the fixing holes on the fixing plate. Insertion posts pass through the fixing holes and positioning holes sequentially, connecting the fixing plate to the aluminum busbar. A limiting plate abuts against the fixing plate, the fixing plate is welded to the aluminum busbar, and a connecting plate is welded to the aluminum busbar. Further, the limiting plate is welded to the fixing plate. During operation, the aforementioned battery pack control unit signal acquisition circuit power connection structure presses the external acquisition wiring harness into the positioning cavity and electrically connects it to two locking plates. The connection between the aforementioned battery pack control unit signal acquisition circuit power connection structure and the external acquisition wiring harness exhibits high stability, strong rigidity, and is less prone to breakage and poor contact. Attached Figure Description

[0016] Figure 1 This is a partial structural diagram of the power connection structure of the signal acquisition line of the battery pack control unit in one embodiment; Figure 2 This is a schematic diagram of the structure of the power connection terminal in one embodiment; Figure 3 This is a schematic diagram of the rivet structure in one embodiment. Detailed Implementation

[0017] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below. In the description of this 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," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0018] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0019] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0020] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0021] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening 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 an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0022] Please refer to the following: Figures 1 to 3 The present invention provides a power connection structure 10 for the signal acquisition line of the battery pack control unit. The power connection structure 10 for the signal acquisition line of the battery pack control unit includes: a battery pack body 100 and several power connection mechanisms 200.

[0023] The battery pack body 100 is provided with several aluminum bars 110, and the aluminum bars 110 are provided with positioning holes 101.

[0024] Each power connection mechanism 200 is correspondingly disposed at a positioning hole 101. The power connection mechanism 200 includes a power connection terminal 210 and a rivet 220. The power connection terminal 210 includes a fixing plate 211, a connecting plate 212, and two locking plates 213. In this embodiment, the fixing plate 211 is a rectangular plate structure. A fixing hole 201 is provided on the fixing plate 211. The connecting plate 212 is connected to the middle area of ​​one end of the fixing plate 211. In this embodiment, the connecting plate 212 is a rectangular plate structure. The connecting plate 212 and the fixing plate 211 are integrally formed. The two locking plates 213 are symmetrically disposed on both sides of the connecting plate 212. Both locking plates 213 are perpendicularly connected to the connecting plate 212. In this embodiment, the locking plates 213 are rectangular plate structures. The connecting plate 212 and the two locking plates 213 form a positioning cavity 202. Both locking plates 213 are integrally formed with the connecting plate 212. Furthermore, in this embodiment, the fixing plate 211, the connecting plate 212, and the two locking plates 213 are integrally formed.

[0025] The rivet 220 includes a limiting plate 221 and an insertion post 222. The insertion post 222 is connected to the middle area of ​​the limiting plate 221. In this embodiment, the limiting plate 221 and the insertion post 222 are integrally formed. An insertion head 223 is provided at the end of the insertion post 222 away from the limiting plate 221. In this embodiment, the insertion head 223 has a hemispherical structure. The insertion head 223 and the insertion post 222 are integrally formed. The positioning hole 101 and the fixing hole 201 are both adapted to the insertion post 222. The insertion post 222 passes through the fixing hole 201 and the positioning hole 101 in sequence to connect the fixing plate 211 and the aluminum busbar 110 together. The limiting plate 221 and the fixing plate 211 abut together. The fixing plate 211 and the aluminum busbar 110 are welded together. The connecting plate 212 is welded together with the aluminum busbar 110.

[0026] During assembly, the aforementioned battery pack control unit signal acquisition line power connection structure 10 involves placing a fixing plate 211 onto the aluminum busbar 110, connecting the positioning hole 101 on the aluminum busbar 110 with the fixing hole 201 on the fixing plate 211. Insertion posts 222 pass through the fixing hole 201 and the positioning hole 101 in sequence, connecting the fixing plate 211 to the aluminum busbar 110. A limiting plate 221 abuts against the fixing plate 211, and the fixing plate 211 is welded to the aluminum busbar 110. A connecting plate 212 is also welded to the aluminum busbar 110. Further, the limiting plate 221 is welded to the fixing plate 211. During operation, the aforementioned battery pack control unit signal acquisition line power connection structure 10 presses the external acquisition wire harness into the positioning cavity 202 and electrically connects it to the two locking plates 213. The connection between the aforementioned battery pack control unit signal acquisition line power connection structure 10 and the external acquisition wire harness exhibits high stability, strong rigidity, and is less prone to breakage and poor contact.

[0027] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0028] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A power connection structure for signal acquisition lines of a battery pack control unit, characterized in that, include: The battery pack itself and several power connection mechanisms; The battery pack body is provided with several aluminum bars, and positioning holes are provided on the aluminum bars; Each of the aforementioned power-connecting mechanisms is correspondingly disposed at one of the aforementioned positioning holes; the power-connecting mechanism includes a power-connecting terminal and a rivet; the power-connecting terminal includes a fixing plate, a connecting plate, and two locking plates; the fixing plate has a fixing hole; the connecting plate is connected to the middle area of ​​one end of the fixing plate; the two locking plates are symmetrically disposed on both sides of the connecting plate; both locking plates are perpendicularly connected to the connecting plate; the connecting plate and the two locking plates form a positioning cavity; The rivet includes a limiting plate and an insertion post; the insertion post is connected to the middle area of ​​the limiting plate, and an insertion head is provided at the end of the insertion post away from the limiting plate; the positioning hole and the fixing hole are both adapted to the insertion post, and the insertion post passes through the fixing hole and the positioning hole in sequence to connect the fixing plate and the aluminum busbar together; the limiting plate and the fixing plate abut together; the fixing plate and the aluminum busbar are welded together; the connecting plate and the aluminum busbar are welded together.

2. The power connection structure for the signal acquisition line of the battery pack control unit according to claim 1, characterized in that, The fixing plate is a rectangular plate structure.

3. The power connection structure for the signal acquisition line of the battery pack control unit according to claim 1, characterized in that, The connecting plate is a rectangular plate structure.

4. The power connection structure for the signal acquisition line of the battery pack control unit according to claim 1, characterized in that, The card slot plate is a rectangular plate structure.

5. The power connection structure for the signal acquisition line of the battery pack control unit according to claim 1, characterized in that, The insertion head has a hemispherical structure.

6. The power connection structure for the signal acquisition line of the battery pack control unit according to claim 1, characterized in that, The insertion head and the insertion post are integrally formed.

7. The power connection structure for the signal acquisition line of the battery pack control unit according to claim 1, characterized in that, The limiting plate and the insertion post are integrally formed.

8. The power connection structure for the signal acquisition line of the battery pack control unit according to claim 1, characterized in that, The connecting plate and the fixing plate are integrally formed.

9. The power connection structure for the signal acquisition line of the battery pack control unit according to claim 1, characterized in that, Both of the aforementioned card slot plates are integrally formed with the connecting plate.

10. The power connection structure for the signal acquisition line of the battery pack control unit according to claim 1, characterized in that, The fixing plate, the connecting plate, and the two positioning plates are integrally formed.

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