CN-121989897-A - EMB-based commercial vehicle redundant braking system and vehicle

Abstract

The invention relates to a commercial vehicle redundant braking system and a vehicle based on EMB, which comprise an electric braking system for service braking and an air braking system for parking and emergency braking, wherein the electric braking system and the air braking system respectively comprise an energy supply device, an actuating device, a control device and an executing device, the electric braking system and the air braking system are mutually independent and redundant, the service safety is guaranteed to the maximum extent, and the control difficulty and the cost are low.

Inventors

• YANG ZHIGANG
• BAO WEIDONG
• SHEN LING
• MA YAYA
• LIU QIANG
• YUAN WENQIANG

Assignees

• 陕西重型汽车有限公司

Dates

Publication Date

20260508

Application Date

20241105

Claims (7)

1. 1. The EMB-based commercial vehicle redundant braking system is characterized by comprising an electric braking system for service braking and an air braking system for parking and emergency braking, wherein the electric braking system and the air braking system respectively comprise an energy supply device, an actuating device, a control device and an executing device.
2. 2. The EMB-based commercial vehicle redundant brake system according to claim 1, wherein the electric brake system comprises a whole vehicle power supply, a service brake valve, a service brake controller and a plurality of electric actuators, wherein the whole vehicle power supply is respectively connected with the plurality of electric actuators through a power distribution module.
3. 3. The EMB-based commercial vehicle redundant brake system of claim 2, wherein the electric actuator is provided with a motor controller, the motor controller being controlled by the service brake controller.
4. 4. The EMB-based commercial vehicle redundant brake system according to claim 3, wherein said air brake system comprises a vehicle air source, a parking brake valve, a parking and emergency brake controller and a plurality of pneumatic actuators, said vehicle air source being respectively connected to a plurality of said pneumatic actuators via an air circuit electrically controlled valve.
5. 5. A vehicle comprising an EMB-based commercial vehicle redundant brake system according to any one of claims 1-4, wherein each vehicle wheel end is provided with an electric actuator and a pneumatic actuator is provided at the wheel end at the drive axle.
6. 6. A vehicle comprising an EMB-based commercial vehicle redundant brake system according to any one of claims 1-4, wherein each vehicle wheel end is provided with an electric actuator and a pneumatic actuator, respectively.
7. 7. A vehicle comprising an EMB-based commercial vehicle redundant brake system according to any one of claims 1-4, wherein when the vehicle is a multi-axle vehicle, an electric actuator is provided at the wheel end of the odd axle and a pneumatic actuator is provided at the wheel end of the even axle.

Description

EMB-based commercial vehicle redundant braking system and vehicle Technical Field The invention relates to the technical field of commercial vehicles, in particular to a commercial vehicle redundant braking system based on EMB and a vehicle. Background The existing redundant braking system, such as a redundant EMB braking system, has double system communication, a sensor module, a power supply, a controller, a control circuit, an execution motor and the like, wherein the motor is a double winding, and is equivalent to the superposition of two identical single systems of EMB (electronic control mechanical braking system) so as to achieve the purpose of redundancy safety. Disclosure of Invention The invention aims at overcoming the defects of the prior art and providing an EMB-based commercial vehicle redundant braking system and a vehicle. The invention is realized by adopting the following technical scheme: The commercial vehicle redundant braking system based on EMB comprises an electric braking system for service braking and an air braking system for parking and emergency braking, wherein the electric braking system and the air braking system respectively comprise an energy supply device, an actuating device, a control device and an executing device. As a further explanation of the invention, the electric brake system comprises a whole vehicle power supply, a service brake valve, a service brake controller and a plurality of electric actuators, wherein the whole vehicle power supply is respectively connected with the plurality of electric actuators through a power distribution module. As a further illustration of the invention, the electric actuator is provided with a motor controller which is controlled by the service brake controller. As a further explanation of the invention, the air brake system comprises a whole air source, a parking brake valve, a parking and emergency brake controller and a plurality of pneumatic actuators, wherein the whole air source is respectively connected with the plurality of pneumatic actuators through an air circuit electric control valve. A vehicle comprises the EMB-based commercial vehicle redundant braking system, wherein each vehicle wheel end is provided with an electric actuator, and a pneumatic actuator is arranged at the wheel end of a driving shaft. A vehicle comprises the EMB-based commercial vehicle redundant braking system, and each vehicle wheel end is respectively provided with an electric actuator and a pneumatic actuator. A vehicle comprises the EMB-based commercial vehicle redundant braking system, and when the vehicle is a multi-axle vehicle, an electric actuator is arranged at the wheel end of an odd-number axle, and a pneumatic actuator is arranged at the wheel end of an even-number axle. Compared with the prior art, the invention has the following beneficial technical effects: The braking system comprises an electric braking system and an air braking system, wherein the electric braking system is responsible for service braking, the air braking system is responsible for parking braking and emergency braking, the two subsystems are independent and not affected, are redundant, ensure service safety to the greatest extent, and are low in control difficulty and low in cost. Drawings FIG. 1 is a schematic diagram of a commercial vehicle brake system based on EMB provided by an embodiment of the present invention; FIG. 2 is a schematic illustration of an electric brake system provided by an embodiment of the present invention; FIG. 3 is a schematic diagram of a pneumatic brake system provided by an embodiment of the present invention; FIG. 4 is a schematic view of an electric actuator provided by an embodiment of the present invention mounted on a wheel end of a vehicle; Fig. 5 is a schematic view of an electric actuator and a pneumatic actuator provided in an embodiment of the present invention mounted on a wheel end of a vehicle. In the figure, 1, right front wheel, 2, left front wheel, 3, right rear wheel, 4, left rear wheel, 5, whole vehicle power supply, 6, service brake valve, 7, service brake controller, 8, electric actuator, 9, whole vehicle air source, 10, parking brake valve, 11, parking and emergency brake controller, 12, pneumatic actuator, 13, power distribution module, 14, motor controller, 15, gas circuit electric control valve. Detailed Description As shown in fig. 1-5, the invention provides an EMB-based commercial vehicle redundant brake system, which comprises an electric brake system for service braking and a pneumatic brake system for parking and emergency braking, wherein the electric brake system and the pneumatic brake system respectively comprise an energy supply device, an actuating device, a control device and an executing device. The electric braking system and the air braking system are independent of each other, do not influence each other, independently operate the service braking actuating device, the vehicle performs service