Control unit for electromechanical brake systems

Patent metadata

Field	Value
Publication number	US-12358481-B2
Application number	US-202318097214-A
Country	US
Kind code	B2
Filing date	Jan 14, 2023
Priority date	Jul 16, 2020
Publication date	Jul 15, 2025
Grant date	Jul 15, 2025

Abstract

A control unit for electromechanical brake system is provided, which relates to vehicle brake technology. The present invention facilitates the assembling of braking energy storage module and brake system control module and improves the heat dissipation, structural strength, anti-vibration and compactness of the control unit. The control unit comprises: a housing; and a frame plate, a braking energy storage module and a brake system control module, which are configured in the housing, wherein the braking energy storage module and the brake system control module are respectively arranged at two opposite sides of the frame plate.

First claim

We claim:

1. A control unit for electromechanical brake systems, comprising:
a housing;
a frame plate, a braking energy storage module and a brake system control module, which are configured in the housing, wherein the braking energy storage module and the brake system control module are respectively arranged at two opposite sides of the frame plate, wherein the braking energy storage module comprises a power management circuit board; and
a plurality of energy storage cells configured on the power management circuit board, the power management circuit board being fixedly connected to the frame plate.

2. The control unit for electromechanical brake systems according to claim 1 , wherein the braking energy storage module is fixed between the frame plate and an inner wall of the housing, and the brake system control module is fixedly connected to the frame plate or an inner wall of the housing.

3. The control unit for electromechanical brake systems according to claim 1 , wherein a thermal pad is provided between the energy storage cells and an inner wall of the housing.

4. The control unit for electromechanical brake systems according to claim 1 , wherein a thermally conductive medium and/or a shock absorbing medium are provided between the braking energy storage module and the frame plate and/or between the brake system control module and the frame plate.

5. The control unit for electromechanical brake systems according to claim 1 , wherein a voltage conversion module is further provided in the housing, the voltage conversion module and the brake system control module being arranged at the same side of the frame plate.

6. The control unit for electromechanical brake systems according to claim 5 , wherein the braking energy storage module is in signal or electric connection with the brake system control module and/or the voltage conversion module via a board-to-board connector, a cable, or a bus, the board-to-board connector, the cable, or the bus passing through the frame plate.

7. The control unit for electromechanical brake systems according to claim 6 , wherein the bus is supported on a dielectric stand, the dielectric stand being fixed to the frame plate.

8. The control unit for electromechanical brake systems according to claim 1 , wherein the control unit further comprises an input connector configured for an external power supply to input power, and an output connector configured for outputting power to an electronic brake device.

9. The control unit for electromechanical brake systems according to claim 1 , wherein a plurality of support units are provided in the housing, and through-holes are provided respectively in the frame plate, the braking energy storage module, and the brake system control module, whereby the frame plate, the braking energy storage module, and the brake system control module are stacked and fastened to the support units by bolts through the through-holes.

10. The control unit for electromechanical brake systems according to claim 2 , wherein a thermal pad is provided between the energy storage cells and an inner wall of the housing.

11. The control unit for electromechanical brake systems according to claim 10 , wherein a thermally conductive medium and/or a shock absorbing medium are provided between the braking energy storage module and the frame plate and/or between the brake system control module and the frame plate.

12. The control unit for electromechanical brake systems according to claim 11 , wherein a voltage conversion module is further provided in the housing, the voltage conversion module and the brake system control module being arranged at the same side of the frame plate.

13. The control unit for electromechanical brake systems according to claim 12 , wherein the braking energy storage module is in signal or electric connection with the brake system control module and/or the voltage conversion module via a bus passing through the frame plate.

14. The control unit for electromechanical brake systems according to claim 13 , wherein the bus is supported on a dielectric stand, the dielectric stand being fixed to the frame plate.

15. The control unit for electromechanical brake systems according to claim 11 , wherein the control unit further comprises an input connector configured for an external power supply to input power, and an output connector configured for outputting power to an electronic brake device.

16. The control unit for electromechanical brake systems according to claim 11 , wherein a plurality of support units are provided in the housing, and through-holes are provided respectively in the frame plate, the braking energy storage module, and the brake system control module, whereby the frame plate, the braking energy storage module, and the brake system control module are stacked and fastened to the support units by bolts through the through-holes.

Assignees

• Haldex Brake Prod Ab

Inventors

• Wu Gang
• Lindqvist Anders
• Nilsson Anders
• Song Zenglai
• Dong Xianbin

Classifications

• H05K7/1427

  Housings · CPC title

• B60T17/00

  Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features (air compressors per se F04) · CPC title

• B60T5/00

  Vehicle modifications to facilitate cooling of brakes · CPC title

• B60T13/74 Primary

  with electrical assistance or drive · CPC title