Search

CN-224218626-U - Motor controller and electrical equipment

CN224218626UCN 224218626 UCN224218626 UCN 224218626UCN-224218626-U

Abstract

The application discloses a motor controller and electrical equipment, wherein the motor controller comprises a box body, a structural member and a low-voltage interface plate, the structural member is arranged on the opening side of the box body, a salient point is arranged on one side of the structural member facing the box body, the low-voltage interface plate is positioned between the box body and the structural member, a copper layer is arranged on one side of the low-voltage interface plate facing the structural member, and the salient point is at least partially positioned in the copper layer. According to the scheme, the electromagnetic shielding of the low-voltage interface board is realized by directly utilizing the matching of the protruding points on the structural part in the motor controller and the copper layer, an additional shielding cover is not required to be added, the product weight and the product cost are reduced, the assembly of the shielding cover is reduced, the assembly time is saved, and the production efficiency is improved. Meanwhile, after the shielding cover is removed, the shielding cover and safety gaps at two sides can be reduced, the volume of the product is reduced, and the power density of the product is improved.

Inventors

  • DENG JINZHOU
  • LI ZHUOWEI
  • TANG SHUHUA

Assignees

  • 苏州汇川联合动力系统股份有限公司

Dates

Publication Date
20260508
Application Date
20250421

Claims (10)

  1. 1. A motor controller, comprising: A case (10); The structural part (11), the structural part (11) is arranged on the opening side of the box body (10), and a salient point (111) is arranged on one side of the structural part (11) facing the box body (10); The low-voltage interface board (12), low-voltage interface board (12) are located box (10) with between structure (11), low-voltage interface board (12) orientation one side of structure (11) sets up copper layer (121), bump (111) are located copper layer (121) at least partly, are used for carrying out electromagnetic shield to the port on low-voltage interface board (12).
  2. 2. The motor controller according to claim 1, characterized in that a distance from an end of the bump (111) facing the structural member (11) to an end of the bump (111) facing away from the structural member (11) is L1, and a distance from a side of the structural member (11) facing the copper layer (121) to the copper layer (121) is L2, wherein L1 is larger than L2.
  3. 3. The motor controller according to claim 2, wherein L1-L2 is between 0-0.3 mm.
  4. 4. A motor controller according to any one of claims 1 to 3, characterized in that the side of the structural member (11) facing the tank (10) is provided with a plurality of protruding points (111), a plurality of protruding points (111) being distributed on the side of the structural member (11) facing the tank (10).
  5. 5. The motor controller according to claim 4, wherein the plurality of the protruding points (111) are uniformly distributed on the outer peripheral side of the structural member (11) toward the side of the case (10).
  6. 6. A motor controller according to claim 4, characterized in that the spacing between adjacent two of the bumps (111) is 80-120 mm.
  7. 7. Motor controller according to claim 1, characterized in that the bumps (111) are integrally formed with the structural member (11).
  8. 8. The motor controller according to claim 1, characterized in that a boss (101) is provided on a side of the case (10) facing the low-voltage interface board (12), and a circuit board on the low-voltage interface board (12) abuts against the boss (101).
  9. 9. The motor controller according to claim 8, wherein a side of the boss (101) facing the wiring board is a planar structure.
  10. 10. An electrical apparatus comprising a motor controller as claimed in any one of claims 1 to 9.

Description

Motor controller and electrical equipment Technical Field The application relates to the technical field of motors, in particular to a motor controller and electrical equipment. Background The motor controller is used as one of key parts of a new energy automobile driving system and is a control center of the electric automobile. With further iteration of technology, high integration becomes a great direction for improving the performance of electronic control products. The highly integrated motor controller realizes higher power density and performance by integrating parts with different functions, and simultaneously reduces the cost of an electric drive system. In order to protect the low voltage port in the motor controller from noise coupling by the internal power devices, it is often necessary to design a shield at the low voltage port location that is primarily used to shield the internal noise. This results in a heavy overall motor controller and complex assembly. Disclosure of utility model The application mainly aims to provide a motor controller and electrical equipment, which can reduce the overall weight, save the assembly time and improve the production efficiency. To achieve the above object, the present application provides a motor controller including: A case; The structural part is arranged on the opening side of the box body, and a salient point is arranged on one side of the structural part facing the box body; the low-voltage interface board is positioned between the box body and the structural component, a copper layer is arranged on one side of the low-voltage interface board facing the structural component, and the salient points are at least partially positioned in the copper layer and used for carrying out electromagnetic shielding on ports on the low-voltage interface board. In one embodiment, a distance from an end of the bump facing the structural member to an end of the bump facing away from the structural member is L1, and a distance from a side of the structural member facing the copper layer to the copper layer is L2, wherein L1 is greater than L2. In one embodiment, the L1-L2 is between 0-0.3 mm. In one embodiment, a plurality of protruding points are arranged on one side of the structural member facing the box body, and the protruding points are distributed on one side of the structural member facing the box body. In one embodiment, the plurality of protruding points are uniformly distributed on the outer peripheral side of the structural member facing the side of the box body. In one embodiment, the distance between two adjacent protruding points is 80mm-120mm. In one embodiment, the bump is integrally formed with the structural member. In one embodiment, a boss is disposed on a side of the case facing the low-voltage interface board, and the circuit board on the low-voltage interface board abuts against the boss. In one embodiment, a side of the boss, which faces the circuit board, is a planar structure. The application also provides electrical equipment comprising the motor controller according to any one of the embodiments of the application. The motor controller provided by the application directly utilizes the convex points on the structural members in the motor controller to be matched with the copper layers to realize electromagnetic shielding of the low-voltage interface board, an additional shielding cover is not required to be added, the product weight and the product cost are reduced, the assembly of the shielding cover is reduced, the assembly time is saved, and the production efficiency is improved. Meanwhile, after the shielding cover is removed, the shielding cover and safety gaps at two sides can be reduced, the volume of the product is reduced, and the power density of the product is improved. Drawings In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art. FIG. 1 is an exploded view of a motor controller according to an embodiment of the present application; FIG. 2 is a schematic illustration of the assembled FIG. 1; fig. 3 is a partial cross-sectional view of fig. 2. Reference numerals illustrate: The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments. Detailed Description The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are