A cylindrical laminated busbar structure
Through the cylindrical laminated busbar structure, the copper row group is used to connect the high-voltage terminal group and set up a low-voltage wiring harness, which solves the problems of low vibration reliability and limited layout space in the prior art, and achieves a higher reliability and compact structure.
Patent Information
- Application Number
- CN202111671504.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-12-31
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2041-12-31
AI Technical Summary
In the prior art, the vibration reliability of high and low voltage wiring harnesses is poor, resulting in rotational change or high voltage failure of the vehicle, and the layout space is limited.
The cylindrical laminated busbar structure is adopted, including a housing, an input high-voltage terminal group, an output high-voltage terminal group, a low-voltage wiring harness, a copper rail group and a laminated busbar seat. The input and output high-voltage terminal group are connected through the copper rail group, and the low-voltage wiring harness is set in the laminated busbar seat.
It improves the reliability of high and low voltage wiring harnesses, has a compact structure, and is unlimited layout space, avoiding the rotational change and high-voltage failure of the whole vehicle.
Smart Images

Figure CN114284762B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of automobile manufacturing, and in particular to a cylindrical laminated busbar structure. Technical Background
[0002] In the related technology, the input and output are arranged separately, and the high-voltage and low-voltage connections are completed through wiring harnesses. The vibration reliability of the high- and low-voltage wiring harnesses, especially the joint positions, is poor, which can easily lead to vehicle rotation failure or high-voltage failure. Summary of the invention
[0003] The purpose of the present invention is to provide a cylindrical laminated busbar structure to address the deficiencies of the prior art, thereby solving the problems of low vibration reliability of high and low voltage wiring harnesses between input and output and limited layout space in the prior art.
[0004] The present invention is achieved by adopting the following technical solutions:
[0005] A cylindrical laminated busbar structure comprises a shell, an input high-voltage terminal group, an output high-voltage terminal group, a low-voltage wiring harness, a copper busbar group and a laminated busbar seat; the input high-voltage terminal group is connected to the laminated busbar seat, the copper busbar group is arranged in the laminated busbar seat, the two ends of the copper busbar group are respectively connected to the input high-voltage terminal group and the output high-voltage terminal group, the low-voltage wiring harness is arranged in the laminated busbar seat, and the laminated busbar seat is arranged in the shell.
[0006] Preferably: it also includes a terminal post, and the input high-voltage terminal group is connected to the laminated busbar seat via the terminal post.
[0007] Preferably: the upper part of the laminated busbar seat is an outer rotating surface structure, three step holes are provided on the top of the laminated busbar seat, and three step holes are provided on the side of the laminated busbar seat; the outer shell includes an upper shell and a lower shell, one side of the lower shell is provided with an inner hole, the inner hole is matched and connected with the axial hole of the outer rotating surface, the upper shell is provided with three circular holes corresponding to the three step holes on the top of the laminated busbar seat, and the upper shell is provided with a cable hole.
[0008] Preferably: the input high-voltage terminal group includes an input U-phase high-voltage terminal, an input V-phase high-voltage terminal and an input W-phase high-voltage terminal; the output high-voltage terminal group includes an output U-phase high-voltage terminal, an output V-phase high-voltage terminal and an output U-phase high-voltage terminal; the input U-phase high-voltage terminal, the input V-phase high-voltage terminal and the input W-phase high-voltage terminal are respectively connected to the step holes above the stacked busbar seat, and the output U-phase high-voltage terminal, the output V-phase high-voltage terminal and the output U-phase high-voltage terminal are respectively connected to the step holes on the side of the stacked busbar seat.
[0009] Preferably: the copper bar group includes a U-phase copper bar, a V-phase copper bar and a W-phase copper bar; the U-phase copper bar is respectively connected to the input U-phase high-voltage terminal and the output U-phase high-voltage terminal, the V-phase copper bar is respectively connected to the input V-phase high-voltage terminal and the output V-phase high-voltage terminal, and the W-phase copper bar is respectively connected to the input W-phase high-voltage terminal and the output W-phase high-voltage terminal.
[0010] Preferably, the input high voltage terminal group and the output high voltage terminal group are interchangeable.
[0011] Preferably, the laminated busbar seat is made of non-metallic insulating material.
[0012] Preferably, the copper bar group is spatially staggered and arranged in the laminated busbar seat, and the copper bar group is connected to the input high-voltage terminal group and the output high-voltage terminal group in a reversing manner at any angle.
[0013] Compared with the prior art, the present invention has the following beneficial technical effects:
[0014] Compared with the existing high-voltage wire harness connection technology, the cylindrical laminated busbar structure of the present invention has the characteristics of high reliability, compact structure, and unrestricted layout space. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The practical invention will be further described below in conjunction with the accompanying drawings:
[0016] Figure 1 It is a schematic diagram of the structure of the present invention;
[0017] Figure 2 This is a schematic diagram of the structure of the present invention without the outer shell;
[0018] Figure 3 It is a schematic diagram of the structure of the laminated busbar seat of the present invention;
[0019] Figure 4 This is a schematic diagram of the structure of the copper bar group of the present invention;
[0020] Figure 5 This is a structural diagram of the lower shell of the laminated busbar of the present invention;
[0021] Figure 6 It is a schematic diagram of the structure of the terminal of the present invention.
[0022] Description of Reference Numerals
[0023] 1. Upper shell; 2. Lower shell; 201. First round hole; 202. Second round hole; 203. Third round hole; 204. Wiring hole; 205. Inner hole; 3. Input U-phase high-voltage terminal; 4. Input V-phase high-voltage terminal; 5. Input W-phase high-voltage terminal; 6. Low-voltage wiring harness; 7. Laminated busbar seat; 701. First step hole; 702. Second step hole; 703. Third step hole; 704. Fourth step hole; 705. Fifth step hole; 706. Sixth step hole; 707. External rotating surface; 8. Output U-phase high-voltage terminal; 9. Output V-phase high-voltage terminal; 10. Output W-phase high-voltage terminal; 11. U-phase copper busbar; 12. V-phase copper busbar; 13. W-phase copper busbar. DETAILED DESCRIPTION
[0024] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] Embodiment 1:
[0026] like Figures 1 to 6 As shown: a cylindrical laminated busbar structure, including a shell, an input high-voltage terminal group, an output high-voltage terminal group, a low-voltage wiring harness 6, a copper busbar group and a laminated busbar seat 7; a shielding layer or insulating material is provided between the above structures; the input high-voltage terminal group is connected to the laminated busbar seat 7, the copper busbar group is arranged in the laminated busbar seat 7, the two ends of the copper busbar group are respectively connected to the input high-voltage terminal group and the output high-voltage terminal group, the low-voltage wiring harness 6 is arranged in the laminated busbar seat 7, and the laminated busbar seat 7 is arranged in the shell; it also includes a terminal, and the input high-voltage terminal group is connected to the laminated busbar seat 7 through the terminal.
[0027] The upper part of the laminated busbar seat 7 is an outer rotating surface 707 structure, and three step holes are arranged on the top of the laminated busbar seat 7, namely the first step hole 701, the second step hole 702, and the third step hole 703. The side of the laminated busbar seat 7 is provided with three step holes, namely the fourth step hole 704, the fifth step hole 705, and the sixth step hole 706; the outer shell includes an upper shell 1 and a lower shell 2, and an inner hole 205 is provided on one side of the lower shell 2, and the inner hole 205 is connected with the axial hole of the outer rotating surface 707, and the upper shell 1 is provided with a first circular hole 201, a second circular hole 202 and a third circular hole 203 corresponding to the three step holes on the top of the laminated busbar seat 7, and the upper shell 1 is provided with a wiring hole.
[0028] The input high-voltage terminal group includes an input U-phase high-voltage terminal 3, an input V-phase high-voltage terminal 4 and an input W-phase high-voltage terminal 5; the output high-voltage terminal group includes an output U-phase high-voltage terminal 8, an output V-phase high-voltage terminal 9 and an output U-phase high-voltage terminal 8; the input U-phase high-voltage terminal 3, the input V-phase high-voltage terminal 4 and the input W-phase high-voltage terminal 5 are respectively connected to the step holes above the laminated busbar seat 7, and the output U-phase high-voltage terminal 8, the output V-phase high-voltage terminal 9 and the output U-phase high-voltage terminal 8 are respectively connected to the step holes on the side of the laminated busbar seat 7.
[0029] The copper bar group includes a U-phase copper bar 11, a V-phase copper bar 12 and a W-phase copper bar 13; the U-phase copper bar 11 is respectively connected to the input U-phase high-voltage terminal 3 and the output U-phase high-voltage terminal 8, the V-phase copper bar 12 is respectively connected to the input V-phase high-voltage terminal 4 and the output V-phase high-voltage terminal 9, and the W-phase copper bar 13 is respectively connected to the input W-phase high-voltage terminal 5 and the output W-phase high-voltage terminal 10; the input high-voltage terminal group and the output high-voltage terminal group are interchangeable; the laminated busbar seat 7 is a non-metallic insulating material.
[0030] The copper bar group is spatially staggered and arranged in the laminated busbar seat 7, and the copper bar group is connected to the input high-voltage terminal group and the output high-voltage terminal group in a reversing manner at any angle.
[0031] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.
[0032] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A cylindrical laminated busbar structure, characterized in that: It comprises a housing, an input high-voltage terminal group, an output high-voltage terminal group, a low-voltage wiring harness, a copper bar group and a laminated busbar seat; the input high-voltage terminal group is connected to the laminated busbar seat, the copper bar group is arranged in the laminated busbar seat, the two ends of the copper bar group are respectively connected to the input high-voltage terminal group and the output high-voltage terminal group, the low-voltage wiring harness is arranged in the laminated busbar seat, and the laminated busbar seat is arranged in the housing; The upper part of the laminated busbar seat is an outer rotating surface structure, three step holes are arranged on the upper part of the laminated busbar seat, and three step holes are arranged on the side of the laminated busbar seat; the outer shell includes an upper shell and a lower shell, one side of the lower shell is provided with an inner hole, the inner hole is matched and connected with the axial hole of the outer rotating surface, the upper shell is provided with three circular holes corresponding to the three step holes arranged on the upper part of the laminated busbar seat, and the upper shell is provided with a cable arrangement hole; The input high voltage terminal group includes an input U-phase high voltage terminal, an input V-phase high voltage terminal and an input W-phase high voltage terminal; The output high-voltage terminal group includes an output U-phase high-voltage terminal, an output V-phase high-voltage terminal and an output U-phase high-voltage terminal; the input U-phase high-voltage terminal, the input V-phase high-voltage terminal and the input W-phase high-voltage terminal are respectively connected to the step holes above the laminated busbar seat, and the output U-phase high-voltage terminal, the output V-phase high-voltage terminal and the output U-phase high-voltage terminal are respectively connected to the step holes on the side of the laminated busbar seat; The copper bar group includes a U copper bar, a V copper bar and a W copper bar; the U copper bar is respectively connected to the input U-phase high-voltage terminal and the output U-phase high-voltage terminal, the V copper bar is respectively connected to the input V-phase high-voltage terminal and the output V-phase high-voltage terminal, and the W copper bar is respectively connected to the input W-phase high-voltage terminal and the output W-phase high-voltage terminal; The input high voltage terminal group and the output high voltage terminal group are interchangeable.
2. The cylindrical laminated busbar structure according to claim 1, characterized in that: It also includes a terminal post, and the input high-voltage terminal group is connected to the laminated busbar seat through the terminal post.
3. The cylindrical laminated busbar structure according to claim 1, characterized in that: The laminated busbar seat is made of non-metallic insulating material.
4. The cylindrical laminated busbar structure according to claim 1, characterized in that: The copper bar group is spatially staggered and arranged in the laminated busbar seat, and the copper bar group is connected to the input high-voltage terminal group and the output high-voltage terminal group in a switching manner at any angle.
Citation Information
Patent Citations
Connecting device and connecting structure for high-voltage battery modules in electric automobile
CN112864536A
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Cylindrical laminated busbar structure
CN217062548U