CN-224205501-U - Controller, control system, electronic device and vehicle

Abstract

The application relates to a controller, a control system, electronic equipment and a vehicle, wherein the controller comprises a shell; the electromagnetic shielding mechanism comprises an electromagnetic shielding piece and a supporting piece, wherein the supporting piece is arranged in the shell and used for connecting the electromagnetic shielding piece with the circuit board assembly. The electromagnetic shielding piece is subjected to bidirectional pressure from the shell and the circuit board assembly, and then forms close contact with the shell, the circuit board assembly and the connector, the electromagnetic shielding piece can not fall off after long-time use, and the electromagnetic shielding piece which is in close contact and is not easy to fall off is formed, so that the long-term stable electromagnetic shielding effect can be ensured.

Inventors

• Xie Longfu
• YANG KUN
• Yao Jiecheng
• LI ZHIHUI
• ZHU LIANGYI

Assignees

• 比亚迪股份有限公司

Dates

Publication Date

20260505

Application Date

20250427

Claims (20)

1. 1. A controller for a vehicle, which is configured to control a controller, characterized by comprising the following steps: A housing; the circuit board assembly is arranged in the shell; The electromagnetic shielding mechanism is used for realizing electromagnetic shielding; The electromagnetic shielding mechanism comprises an electromagnetic shielding piece and a supporting piece, wherein the supporting piece is arranged in the shell and used for connecting the electromagnetic shielding piece with the circuit board assembly.
2. 2. The controller of claim 1, wherein the support comprises a frame, the circuit board assembly comprising a main printed circuit board and a sub-printed circuit board, the frame being located between the main printed circuit board and the sub-printed circuit board.
3. 3. The controller of claim 2, wherein the electromagnetic shield comprises a first shield positioned between the daughter printed circuit board and the housing.
4. 4. A controller according to claim 3, wherein the housing comprises an upper shell, the sub-printed circuit board being connected to the upper shell, the first shield being interposed between the sub-printed circuit board and the upper shell.
5. 5. The controller according to claim 4, wherein a first end side of the housing body is provided with a mounting lug, and the housing body is connected to the sub-printed circuit board and the upper case through the mounting lug.
6. 6. The controller of claim 5, wherein the mounting lugs are provided with a securing hole or post.
7. 7. The controller of claim 2, wherein the electromagnetic shield comprises a second shield positioned between the main printed circuit board and the frame.
8. 8. The controller of claim 7, wherein the housing comprises a lower housing, the main printed circuit board being connected to the lower housing.
9. 9. The controller of claim 2, wherein the daughter printed circuit board includes a first connector exposed outside the housing.
10. 10. The controller of claim 2, wherein the electromagnetic shield comprises a third shield disposed between the support and the main printed circuit board.
11. 11. The controller of claim 10, wherein the support comprises a mounting block disposed at a second end side of the frame, the third shield being disposed between the mounting block and the main printed circuit board.
12. 12. The controller of claim 11, wherein the main printed circuit board includes a second connector, the third shield being disposed between the second connector and the mounting block.
13. 13. The controller of claim 12, wherein the mounting block is provided with a recess to at least partially receive the second connector, the third shield being sandwiched in the recess.
14. 14. The controller of claim 12, wherein the housing is provided with a mounting slot through which the second connector passes, the second connector passing through the mounting slot to form a gap, and the mounting block is configured to close at least a portion of the gap.
15. 15. The controller of claim 11, wherein the support further comprises a link connecting the mounting block and the frame.
16. 16. The controller of claim 11, wherein at least a portion of an upper side of the mounting block abuts the sub-printed circuit board; and/or at least part of the underside of the mounting block abuts the main printed circuit board.
17. 17. The controller of claim 2, wherein a conductive layer is disposed between the daughter printed circuit board and the carrier.
18. 18. The controller of claim 2, wherein the circuit board assembly further comprises a third connector through which the main printed circuit board and the sub printed circuit board are signal connected.
19. 19. The controller according to any one of claims 1 to 18, wherein the electromagnetic shield is a resilient electromagnetic shield.
20. 20. The controller of claim 19, wherein the resilient electromagnetic shield comprises at least one of conductive foam, conductive silicone, conductive rubber.

Description

Controller, control system, electronic device and vehicle Technical Field The application relates to the technical field of controllers, in particular to a controller, a control system, electronic equipment and a vehicle. Background Electromagnetic shielding is a technology of blocking electromagnetic wave propagation by using conductive materials or magnetic conductive materials, and reduces the interference of external electromagnetic fields to equipment or prevents electromagnetic signals in the equipment from leaking out by reflecting, absorbing or attenuating electromagnetic energy. At present, in the electromagnetic shielding structure of the controller, conductive foam with double faced adhesive tape is manually adhered to the connector, so that a certain improvement effect on electromagnetic shielding leakage can be achieved. However, the conductive foam is stuck manually, so that the production efficiency is low, and the conductive foam is separated from the connector due to the fact that double-sided adhesive tape is easy to fall off after long-time use, so that the electromagnetic shielding effect is reduced. Disclosure of utility model The embodiment of the application provides a controller, which is arranged in a shell through a supporting piece and used for connecting an electromagnetic shielding piece with a circuit board assembly, wherein the electromagnetic shielding piece is subjected to bidirectional pressure from the shell and the circuit board assembly, and then forms close contact with the shell, the circuit board assembly and a connector, the electromagnetic shielding piece can not fall off after long-time use, and the electromagnetic shielding piece which is in close contact and is not easy to fall off is formed, so that the long-term stable electromagnetic shielding effect can be ensured, and the technical problems are at least partially solved. In order to achieve the above object, according to a first aspect of the present application, there is provided a controller comprising: A housing; the circuit board assembly is arranged in the shell; The electromagnetic shielding mechanism is used for realizing electromagnetic shielding; The electromagnetic shielding mechanism comprises an electromagnetic shielding piece and a supporting piece, wherein the supporting piece is arranged in the shell and used for connecting the electromagnetic shielding piece with the circuit board assembly. Optionally, the support member includes a frame, and the circuit board assembly includes a main printed circuit board and a sub printed circuit board, and the frame is located between the main printed circuit board and the sub printed circuit board. Optionally, the electromagnetic shield comprises a first shield located between the sub-printed circuit board and the housing. Optionally, the housing includes an upper case, the sub-printed circuit board is connected to the upper case, and the first shield is interposed between the sub-printed circuit board and the upper case. Optionally, a mounting lug is provided at a first end side of the frame body, and the frame body is connected with the sub-printed circuit board and the upper case through the mounting lug. Optionally, the mounting lug is provided with a fixing hole or a fixing column. Optionally, the electromagnetic shield includes a second shield located between the main printed circuit board and the frame. Optionally, the housing includes a lower case, and the main printed circuit board is connected to the lower case. Optionally, the sub-printed circuit board includes a first connector exposed outside the housing. Optionally, the electromagnetic shield comprises a third shield disposed between the support and the main printed circuit board. Optionally, the support member includes a mounting block disposed at a second end side of the frame body, and the third shield member is disposed between the mounting block and the main printed circuit board. Optionally, the main printed circuit board includes a second connector thereon, and the third shield is disposed between the second connector and the mounting block. Optionally, a groove is provided on the mounting block to at least partially accommodate the second connector, and the third shield is clamped in the groove. Optionally, a mounting groove is formed in the housing, the second connector penetrates through the mounting groove to form a gap, and the mounting block is used for closing at least part of the gap. Optionally, the support further comprises a connecting rod, and the connecting rod connects the mounting block and the frame body. Optionally, at least part of the upper side of the mounting block abuts the sub-printed circuit board; and/or at least part of the underside of the mounting block abuts the main printed circuit board. Optionally, a conductive layer is disposed between the sub-printed circuit board and the frame. Optionally, the circuit board assembly further comprises a third connecto