Electronic vacuum pump control system suitable for high altitude
An electronic vacuum pump and control system technology, which is applied in the direction of brakes, brake transmissions, transportation and packaging, etc., can solve the problems of unsafe driving, gear vacuum booster system control failure, high cost, etc., and achieve the effect of improving safety
Inactive Publication Date: 2021-04-20
DAYUN AUTOMOBILE CO LTD
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[0004] The present invention provides an electronic vacuum pump control system suitable for high altitudes to solve the problems of high cost in the control system of the existing vehicle vacuum pump and the failure of the control of the gear vacuum booster system when the user is driving on a plateau, resulting in unsafe driving.
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[0021] combine Figure 1 to Figure 8 Describe this embodiment, an electronic vacuum pump control system suitable for high altitudes; including a vehicle controller VCU, a drive motor, an electronic stability system ESC, a combination instrument, an electronic vacuum pump assembly, a vacuum sensor, and an electronic vacuum pump control module, Each system is connected through CAN communication.
[0022] VCU is used to receive and send signals, and send vacuum pump drive signal VCU_VacuumPumpValue and alarm signal VCU_BrakeActuationSystemWarning according to the current vacuum system status of the vehicle; send brake signal VCU_BrakePedalValue and brake validity signal VCU_BrakePedalValidFlag according to the brake pedal status.
[0023] The drive motor is used to receive the motor torque command VCU_FrontMotorTorqueReq and output power.
[0024] The electronic stability system ESC is used to receive the wheel speed signal and send the vehicle speed signal ESC_Vehiclespeed thro...
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The invention discloses an electronic vacuum pump control system suitable for high altitude, relates to the technical field of automobile vacuum boosting, and solves the problems of high cost and unsafe driving caused by control failure of a gear vacuum boosting system in plateau driving of a user in an existing automobile vacuum pump control system. The VCU sends a vacuum pump driving signal to the electronic vacuum pump assembly and sends an alarm signal to the combination instrument according to the current vacuum boosting system state of the vehicle; and sends a brake signal and a brake effectiveness signal according to the brake pedal state; the driving motor is used for receiving a motor torque instruction sent by the vehicle control unit and outputting power; wherein the ESC is used for receiving a wheel speed signal, the combination instrument is used for receiving an alarm signal sent by a vehicle control unit, and the electronic vacuum pump assembly is used for receiving a vacuum pump driving signal sent by the vehicle control unit; and the vacuum degree sensor is used for sending a vacuum degree signal to the vehicle control unit. And the driving safety and comfort of the passenger vehicle can be effectively improved.
Description
technical field [0001] The invention relates to the technical field of vacuum boosting for automobiles, in particular to an electronic vacuum pump control system suitable for Gaohai. Background technique [0002] With the development of new energy sources in the automotive industry, electronic vacuum pumps are being used in more and more vehicles. [0003] At present, the vacuum pump plateau control system of the vehicle adopts a strategy based on two sensors for judgment, which will increase the cost. Using a single sensor will easily cause the vacuum pump to work for a long time and cause the vacuum booster to fail, causing driving safety problems. Contents of the invention [0004] The invention provides an electronic vacuum pump control system suitable for high altitudes to solve the problems of high cost of the existing vehicle vacuum pump control system and failure of control of the gear vacuum booster system by the user when driving on a plateau, resulting in unsafe...
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IPC IPC(8): B60T13/72B60T13/52
Inventor 张金雷张文军张国友武盾
Owner DAYUN AUTOMOBILE CO LTD