Circuit board supporting pad and electric vehicle controller
By designing a circuit board support pad and using vertical and horizontal positioning parts for connection, combined with through holes and conductive sheets, the miniaturization and compactness issues of electric vehicle controllers under high power conditions are solved. This achieves insulation and limiting of capacitor circuit boards and MOSFET circuit boards, and improves the stability and support strength of electrical connections.
Patent Information
- Application Number
- CN202520249574.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing electric vehicle controllers are difficult to miniaturize and compact under high power conditions, and the MOSFET arrangement structure is unreasonable.
The circuit board support pad design includes a vertical positioning part and a horizontal positioning part, which are connected by horizontal and vertical connecting parts. Circular and rectangular through holes are set, and conductive sheets and screws are used for connection to achieve insulation and limiting of the capacitor circuit board and MOSFET circuit board.
It improves the structural compactness and support strength of the electric vehicle controller, which helps in miniaturization, forms isolation insulation, and enhances the stability of electrical connections.
Smart Images

Figure CN223829632U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of electric vehicle controller technology, and in particular to a circuit board support pad and an electric vehicle controller. Background Technology
[0002] In an electric vehicle controller, such as CN219269426U in the prior art, the MOSFET is located on one side of the PCB board. Such an arrangement affects the miniaturization and compactness of the electric vehicle controller under high power conditions. Utility Model Content
[0003] To address the aforementioned issues, this application provides a circuit board support pad and an electric vehicle controller.
[0004] The circuit board support pad and electric vehicle controller provided in this application adopt the following technical solution:
[0005] A circuit board support pad includes a vertical positioning part and a horizontal positioning part, wherein multiple horizontal positioning parts are connected by a horizontal connecting part, and multiple vertical positioning parts are connected by a vertical connecting part. The horizontal connecting part and the vertical connecting part extend vertically to the middle. A circular through hole is provided in the middle of both the vertical positioning part and the horizontal positioning part, and a rectangular through hole is provided on one side of the circular through hole.
[0006] Furthermore, the circular through hole is a stepped hole.
[0007] Furthermore, a positioning protrusion is provided on one side of the vertical positioning part, and the height of the positioning protrusion is higher than that of the horizontal connecting part.
[0008] Furthermore, the positioning protrusion is rectangular.
[0009] Furthermore, the height of the horizontal connecting part is lower than the upper surface of the horizontal positioning part.
[0010] Furthermore, the horizontal connecting portion extends between the positioning protrusions.
[0011] An electric vehicle controller includes: a circuit board support pad as described above, a capacitor circuit board, an aluminum base, a MOSFET circuit board, the capacitor circuit board being positioned on the circuit board support pad, the MOSFET circuit board being positioned between the circuit board support pad and the aluminum base, a screw passing through the capacitor circuit board, a circular through hole, the MOSFET circuit board, and the aluminum base.
[0012] Furthermore, the capacitor circuit board and the MOSFET circuit board are electrically connected via electrical connectors.
[0013] Furthermore, a conductive sheet is provided between the MOSFET circuit board and the circuit support pad, and the conductive sheet is electrically connected to the MOSFET circuit board.
[0014] The beneficial effects of this utility model are:
[0015] Electrical connections are created by screws driven into the aluminum base. Circuit board support pads are used to isolate and insulate the capacitor circuit boards and MOSFET circuit boards arranged above and below.
[0016] In addition, rectangular holes are provided to limit the conductive sheet around its perimeter, improving support strength and making the structure more compact and miniaturized. Attached Figure Description
[0017] Figure 1 This is a perspective view of the support pad of this utility model;
[0018] Figure 2 This is a cross-sectional view of the electric vehicle controller of this utility model at point AA;
[0019] Figure 3 This is a structural diagram of the electric vehicle controller of this utility model;
[0020] Explanation of reference numerals in the attached drawings: circuit board support pad (1), vertical positioning part (11), horizontal positioning part (12), horizontal connecting part (13), vertical connecting part (14), circular through hole (15), rectangular through hole (16), positioning protrusion (17), electric vehicle controller (2), capacitor circuit board (21), aluminum base (22), MOS circuit board (23), electrical connector (24), conductive sheet (25). Detailed Implementation
[0021] As shown in Figure 1, a circuit board support pad (1) includes a vertical positioning part (11) and a horizontal positioning part (12). Multiple horizontal positioning parts (12) are connected by a horizontal connecting part (13), and multiple vertical positioning parts (11) are connected by a vertical connecting part (14). The horizontal connecting part (13) and the vertical connecting part (14) extend vertically to each other. A circular through hole (15) is provided in the middle of both the vertical positioning part (11) and the horizontal positioning part (12). A rectangular through hole (16) is provided on one side of the circular through hole (15).
[0022] In addition, rectangular holes are provided to limit the conductive sheet around its perimeter, improving support strength and facilitating a compact structure and miniaturization. Furthermore, the circular through-hole (15) is a stepped hole.
[0023] Furthermore, a positioning protrusion (17) is provided on one side of the vertical positioning part (11), and the height of the positioning protrusion (17) is higher than that of the horizontal connecting part (13).
[0024] Furthermore, the positioning protrusion (17) is rectangular.
[0025] Furthermore, the height of the horizontal connecting part (13) is lower than the upper surface of the horizontal positioning part (12).
[0026] Furthermore, the horizontal connecting portion (13) extends between the positioning protrusions (17).
[0027] like Figure 2 and Figure 3 As shown, an electric vehicle controller (2) includes: a circuit board support pad (1) as described above, a capacitor circuit board (21), an aluminum base (22), a MOS circuit board (23), the capacitor circuit board (21) being positioned on the circuit board support pad (1), the MOS circuit board (23) being positioned between the circuit support pad (1) and the aluminum base (22), a screw passing through the capacitor circuit board (21), a circular through hole (15), the MOS circuit board (23), and the aluminum base (22).
[0028] Furthermore, the capacitor circuit board (21) and the MOS circuit board (23) are electrically connected through an electrical connector (24).
[0029] Furthermore, a conductive sheet (25) is provided between the MOS circuit board (23) and the circuit support pad (1), and the conductive sheet (25) is electrically connected to the MOS circuit board (23).
[0030] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention.
Claims
1. A circuit board support pad, characterized in that: It includes a vertical positioning part and a horizontal positioning part, wherein multiple horizontal positioning parts are connected by a horizontal connecting part, and multiple vertical positioning parts are connected by a vertical connecting part. The horizontal connecting part and the vertical connecting part extend vertically in the middle. A circular through hole is provided in the middle of both the vertical positioning part and the horizontal positioning part, and a rectangular through hole is provided on one side of the circular through hole.
2. The circuit board support pad according to claim 1, characterized in that: The circular through hole is a stepped hole.
3. The circuit board support pad according to claim 2, characterized in that: A positioning protrusion is provided on one side of the vertical positioning part, and the height of the positioning protrusion is higher than that of the horizontal connecting part.
4. The circuit board support pad according to claim 3, characterized in that: The positioning protrusion is rectangular.
5. The circuit board support pad according to claim 4, characterized in that: The height of the horizontal connecting part is lower than the upper surface of the horizontal positioning part.
6. The circuit board support pad according to claim 5, characterized in that: The horizontal connecting portion extends between the positioning protrusions.
7. An electric vehicle controller, characterized in that... include: The circuit board support pad, capacitor circuit board, aluminum base, and MOSFET circuit board as described in any one of claims 1-6 The capacitor circuit board is positioned on the circuit board support pad, the MOSFET circuit board is positioned between the circuit support pad and the aluminum base, and screws pass through the capacitor circuit board, circular through holes, MOSFET circuit board, and aluminum base.
8. The electric vehicle controller according to claim 7, characterized in that: The capacitor circuit board and the MOSFET circuit board are electrically connected via electrical connectors.
9. The electric vehicle controller according to claim 8, characterized in that: A conductive sheet is placed between the MOSFET circuit board and the circuit support pad, and the conductive sheet is electrically connected to the MOSFET circuit board.
Citation Information
Patent Citations
Electric vehicle controller
CN219269426U