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WO2018141077A1 - Dispositif de pédale d'accélérateur/de frein intégrée présentant des fonctions anti-collision et anti-blocage - Google Patents

Dispositif de pédale d'accélérateur/de frein intégrée présentant des fonctions anti-collision et anti-blocage Download PDF

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Publication number
WO2018141077A1
WO2018141077A1 PCT/CN2017/000142 CN2017000142W WO2018141077A1 WO 2018141077 A1 WO2018141077 A1 WO 2018141077A1 CN 2017000142 W CN2017000142 W CN 2017000142W WO 2018141077 A1 WO2018141077 A1 WO 2018141077A1
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WIPO (PCT)
Prior art keywords
brake
pedal
electronic
vehicle
solenoid valve
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Ceased
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PCT/CN2017/000142
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English (en)
Chinese (zh)
Inventor
肖湘茂
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Individual
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Individual
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Priority to PCT/CN2017/000142 priority Critical patent/WO2018141077A1/fr
Publication of WO2018141077A1 publication Critical patent/WO2018141077A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K26/00—Arrangement or mounting of propulsion-unit control devices in vehicles
    • B60K26/02—Arrangement or mounting of propulsion-unit control devices in vehicles of initiating means or elements

Definitions

  • the present invention relates to vehicle acceleration and braking systems.
  • the accelerator pedal and the brake pedal actually used by the vehicle are separately provided.
  • the driver accelerates or brakes the vehicle, the driver needs to change the foot between the accelerator pedal and the brake pedal, which is inconvenient to operate. If you are not careful, you will mistake the throttle as a brake, especially if you are in an emergency.
  • “Control device for brakes and throttles of motor vehicles” application number 2005201460738, the technical solution is to hook the accelerator pedal by a hook, and the hook needs to be opened before the accelerator pedal can be lifted.
  • the invention is further improved on the basis of the technical solution of the patent application of 2016800001764, and the accelerator pedal position sensor and the brake pedal position sensor are separately divided; at the same time, the accelerator pedal position and the brake pedal position demarcation point warning device are added, that is, the speed control pedal is free. It is improved by the existing vehicle body stability control hydraulic brake execution unit capable of active braking; innovative pneumatic brake execution unit; and a new type of vehicle electronic acceleration electronic brake device.
  • the technical solution provided by the present invention is to construct an integrated accelerator pedal and a brake pedal, and to prevent electronic lock, electronic brake force distribution, traction control, vehicle stability control, uphill assist, and electronic Anti-collision, adaptive cruise program linkage electronic acceleration electronic brake device.
  • the device comprises: a speed control pedal, an accelerator pedal, a pedal bracket, an accelerator pedal position sensor, a speed control pedal position sensor, a front ultrasonic ranging sensor, a front radar ranging sensor, a front camera ranging sensor, and a rear ultrasonic measurement.
  • the vehicle power electronic control unit is a general term for the engine electronic control unit, the motor electronic control unit, and the hybrid electronic control unit. It is characterized by:
  • the speed control pedal and the speed control pedal are returned to the torsion spring, and the speed control pedal shaft is mounted on the pedal bracket.
  • a spring arm of the speed control pedal return torsion spring is supported on the pedal bracket bottom plate, and the other spring arm is supported on the speed control pedal bottom plate, and the speed control pedal positioning end is pressed against the pedal bracket bottom plate positioning speed control pedal activity upper limit.
  • the speed control pedal and the speed control pedal shaft are statically engaged by the ⁇ structure.
  • the speed control pedal shaft is mated with the pedal bracket.
  • One end of the speed control pedal shaft is connected to the speed control pedal position sensor.
  • the upper half of the speed control pedal functions as a brake pedal.
  • the upper half of the speed control pedal pedal position sensor functions as a brake pedal position sensor.
  • the speed control pedal position sensor is electrically coupled to the electronic brake control unit.
  • the electronic brake control unit is electrically coupled to the hydraulic brake actuator unit or the pneumatic brake actuator unit.
  • Electronic brake control unit and front ultrasonic distance measuring sensor, front of the car The radar ranging sensor, the front camera distance measuring sensor, the rear ultrasonic ranging sensor, the lateral acceleration sensor, the wheel speed sensor, and the steering wheel angle sensor are electrically connected.
  • the electronic brake control unit controls the vehicle brake by the hydraulic brake execution unit or the pneumatic brake execution unit according to the voltage value of the speed control pedal position sensor and the parameters transmitted from the respective sensors.
  • the electronic brake control unit is electrically connected to the vehicle power electronic control unit, and intervenes to accelerate or decelerate the vehicle power according to the parameters of the respective sensors.
  • the accelerator pedal and the accelerator pedal return torsion spring are mounted on the pedal bracket through the accelerator pedal shaft.
  • the upper limit of the accelerator pedal is positioned by the accelerator pedal positioning end.
  • the accelerator pedal and the accelerator pedal shaft are statically engaged by the cymbal structure.
  • the accelerator pedal shaft is mated with the pedal bracket.
  • a spring arm of the accelerator pedal return torsion spring is supported on the pedal bracket bottom plate.
  • the other spring arm is supported on the accelerator pedal floor and the angle between the spring arm and the speed control pedal base plate is >20 degrees. Install the accelerator pedal roller on the top of the accelerator pedal through the accelerator pedal.
  • the accelerator pedal position sensor is coupled to one end of the accelerator pedal shaft.
  • the accelerator pedal position sensor is electrically coupled to the vehicle power electronic control unit.
  • the vehicle power electronic control unit controls the output speed of the vehicle power based on the gradual voltage value of the accelerator pedal position sensor and an instruction transmitted from the electronic brake control unit.
  • the accelerator pedal position sensor is removed, and the electronic brake control unit provides a gradual voltage value of the pedal position sensor based on the speed control to the vehicle power electronic control unit to control the vehicle power output speed.
  • the accelerator pedal is retained to position the speed control pedal's brake stroke, free stroke and acceleration stroke.
  • the upper half of the speed control pedal is the brake stroke, the middle stroke is the free stroke, and the lower half stroke is the acceleration stroke, which is used to control the vehicle braking, idle speed, acceleration and deceleration.
  • the speed control pedal travels up and brakes the vehicle.
  • the speed control pedal travels down and releases the brake.
  • the speed control pedal is equivalent to the brake pedal in the brake stroke.
  • the speed control pedal travels up or down, the vehicle is at idle speed, and the brake is released.
  • the speed control pedal travels down and the vehicle accelerates.
  • the speed control pedal travels up and the vehicle decelerates until it idles.
  • the brake is released.
  • a speed control pedal free travel notice device is respectively disposed before and after the pedal bracket.
  • the electronic brake control unit When the vehicle is moving forward, the electronic brake control unit receives information from the front radar ranging sensor, the front camera ranging sensor, the front ultrasonic ranging sensor, the lateral acceleration sensor, the wheel speed sensor, and the steering wheel angle sensor. Analyze and calculate whether the distance between pedestrians, vehicles and obstacles in front is safe distance, not sound and light alarm. When approaching the danger, the driver has not responded, the electronic brake control unit sends a signal to the vehicle power electronic control unit, instructing the vehicle power to decelerate completely, and actively braking the vehicle by the hydraulic brake execution unit or the pneumatic brake execution unit.
  • the electronic brake control unit When the vehicle is going backwards, the electronic brake control unit receives the information from the rear ultrasonic ranging sensor, the wheel speed sensor, and the steering wheel angle sensor, and performs comprehensive analysis and calculation to determine whether the distance of the pedestrian, the vehicle, and the obstacle behind the vehicle is a safe distance. No, sound and light alarm. When approaching a danger, the driver has not responded, the electronic brake control unit commands the vehicle power to decelerate completely, and actively brakes the vehicle by the hydraulic brake actuator unit or the pneumatic brake actuator unit.
  • the electronic brake control unit When the driver presses the adaptive cruise button, the electronic brake control unit accepts the front radar ranging sensor, the front camera ranging sensor, the front ultrasonic ranging sensor, the lateral acceleration sensor, the wheel speed sensor, and the steering wheel angle sensor. The information is analyzed and calculated to determine whether the distance between pedestrians, vehicles and obstacles is a safe distance. When it is a safe distance, keep the cruise speed set by the driver forward. The current vehicle distance is less than safe At the time of the distance, the electronic brake control unit sends a signal to the vehicle power electronic control unit to instruct the vehicle to decelerate and actively reduce the vehicle speed. When the current vehicle distance exceeds the safety distance, the electronic brake control unit sends a signal to the vehicle power electronic control unit to instruct the vehicle power to accelerate to the set cruising speed. When the driver presses the exit cruise mode button, the electronic brake control unit sends a signal to the vehicle power electronic control unit to exit the adaptive cruise and enter the normal acceleration and brake operation.
  • the vehicle that uses the hydraulic brake uses the manual brake master cylinder in the hydraulic brake system to pressurize the vehicle.
  • Vehicles that use pneumatic brakes use emergency brakes in the pneumatic brake system to brake the vehicle.
  • the invention can be applied to automatic transmission vehicles, manual transmission vehicles, fuel vehicles, electric vehicles, hybrid vehicles, small vehicles, large passenger cars, buses, tour buses, trucks, tractors, construction vehicles, and three-wheeled vehicles. It can be installed in a hanging manner and can also be installed in a local manner.
  • the invention integrates the vehicle accelerator pedal and the brake pedal, so that the driver does not need to change the foot between the accelerator pedal and the brake pedal when operating the vehicle to accelerate or brake, which is advantageous for rapid braking and rapid acceleration, especially It is able to avoid accidentally putting the throttle on the brakes.
  • electronic acceleration and electronic braking and electronic anti-lock, electronic braking force distribution, electronic anti-collision, adaptive cruise integration, sharing a set of accelerated braking system, mutual support linkage can effectively reduce traffic accidents, to achieve The purpose of protecting people's lives is also cost-effective.
  • Figure 1 is a block diagram of the system of the present invention.
  • FIG. 2 is a right side view of the speed control pedal, the pedal bracket, the accelerator pedal position sensor, and the speed control pedal position sensor of FIG. 1.
  • Figure 3 is a schematic diagram showing the relationship between the speed control pedal movement position and the speed control pedal position sensor voltage value.
  • 4 is a schematic diagram showing the relationship between the speed control pedal movement position and the accelerator pedal position sensor voltage value.
  • Fig. 5 is a structural view showing the A-A section speed control pedal of Fig. 2 in a free stroke
  • Figure 6 is a structural view of the A-A section speed control pedal of Figure 2 when the engine or motor speed is at a maximum.
  • Figure 7 is a structural view of the A-A section speed control pedal of Figure 2 when the vehicle is fully braked.
  • Fig. 8 is a cross-sectional structural view taken along line B - B of Fig. 5;
  • Figure 9 is a cross-sectional view taken along line C - C of Figure 8.
  • Figure 10 is a partial cross-sectional structural view of D - D of Figure 2;
  • Fig. 11 is a configuration diagram of a hydraulic brake executing unit.
  • Fig. 12 is a structural diagram of a pneumatic brake executing unit.
  • Speed control pedal positioning end 304. Cross joint, 305. Free travel notice device A bead, 306. Free travel notice device A compression spring, 307. Free travel notice device spring seat, 308 ⁇ structure, 309. speed control pedal bottom plate, 400. pedal bracket, 401. free travel notice device, lower bump, 402. free travel notice device, upper bump, 500. pedal bracket fixed screw hole, 600. acceleration Pedal, 601. Accelerator pedal return torsion spring, 602. Accelerator pedal shaft, 603. Accelerator pedal positioning end, 604. Accelerator pedal roller, 605. Accelerator pedal roller shaft, 700. Free travel notice device B activity, 701. Free Trip notice device B compression spring, 702. Free travel notice device B column, 801. Electronic and manual brake conversion solenoid valve, 802.
  • Electronic brake total intake solenoid valve 803.
  • Left front wheel brake wheel cylinder inflow electromagnetic Valve 804.
  • Left front wheel brake wheel cylinder 805.
  • Left front wheel brake wheel cylinder outflow solenoid valve 806.
  • Right rear wheel brake wheel cylinder inlet solenoid valve 807.
  • Right rear wheel brake wheel cylinder 808.
  • Right rear wheel brake wheel cylinder outflow solenoid valve 809. Electronics Dynamic pressure pump, 810.
  • Manpower brake master cylinder interface 901. Air compressor, 902. Gas tank A, 903.
  • Left front wheel brake chamber intake solenoid valve 904.
  • Left front wheel brake chamber 905.
  • Left front wheel brake chamber exhaust solenoid valve 906.
  • Right rear wheel brake chamber intake solenoid valve 907.
  • Right rear wheel brake chamber 908.
  • Right rear wheel brake chamber exhaust Solenoid valve 909. Hand brake valve, 910. Gas tank B.
  • the speed control pedal returns to the torsion spring (302) and is mounted on the pedal bracket (400) via the speed control pedal shaft (301).
  • a spring arm of the speed control pedal return torsion spring (302) is supported on the bottom plate of the pedal bracket (400), and the other spring arm is supported on the speed control pedal bottom plate (309) and is offset by the speed control pedal positioning end (303).
  • the pedal bracket bottom plate positioning speed controls the upper limit of the pedal activity.
  • the speed control pedal (300) and the speed control pedal shaft (301) are statically engaged by the cymbal structure (308).
  • the speed control pedal shaft (301) is movably mated with the pedal bracket (400).
  • the speed control pedal position sensor (200) is connected to the accelerator pedal shaft (301) through the cross joint (304). When the speed control pedal moves up and down, the speed control pedal position sensor (200) drives the speed control pedal position sensor (200) to produce a gradient. Voltage.
  • the speed control pedal position sensor (200) is electrically coupled to the electronic brake control unit (201).
  • the electronic brake control unit (201) is electrically coupled to the hydraulic brake actuator unit (800) or to the pneumatic brake actuator unit (900).
  • the acceleration sensor (208), the wheel speed sensor (209), and the steering wheel angle sensor (210) are electrically connected.
  • the hydraulic brake actuator unit (800) is connected to the manual brake master cylinder (203) through an infusion tube.
  • the electronic brake control unit (201) controls the voltage value of the pedal position sensor (200) and the parameters of each sensor according to the speed, the braking force distribution program, the anti-lock program, the vehicle body stability control program, the electronic anti-collision program, and the adaptive cruise.
  • the vehicle is controlled to work in conjunction with the brakes.
  • the electronic brake control unit (201) is electrically connected to the engine electronic control unit (101), or is electrically connected to the motor control unit (103), or is electrically connected to the hybrid electronic control unit (105), and according to each sensor
  • the parameters in the cooperation of the vehicle stability control program, the electronic anti-collision program, the adaptive cruise program, the uphill auxiliary program, and the traction control program, intervene to accelerate or decelerate the vehicle power.
  • the accelerator pedal (600) and the accelerator pedal return torsion spring (601) are mounted on the pedal bracket (400) through the accelerator pedal shaft (602).
  • the accelerator pedal positioning end (603) is pressed against the bottom plate of the pedal bracket (400) to position the upper limit of the accelerator pedal activity.
  • the accelerator pedal (600) and the accelerator pedal shaft (602) are statically engaged by the cymbal structure.
  • the accelerator pedal shaft (602) is movably mated with the pedal bracket (400).
  • One spring arm of the accelerator pedal return torsion spring (601) is supported on the bottom plate of the pedal bracket (400), and the other spring arm is supported on the bottom plate of the accelerator pedal (600).
  • the angle between the pedal bottom plate (309) and the free travel is ⁇ >20 degrees.
  • the accelerator pedal roller (604) is mounted to the upper end of the accelerator pedal (600) via an accelerator pedal shaft (605).
  • the accelerator pedal position sensor (100) is coupled to the accelerator pedal shaft (602). When the accelerator pedal moves up and down, the accelerator pedal position sensor (100) is driven by the accelerator pedal shaft (602) to generate a gradual voltage value.
  • the accelerator pedal position sensor (100) is electrically coupled to the engine electronic control unit (101), or to the motor electronic control unit (103), or to the hybrid electronic control unit (105).
  • the engine electronic control unit (101) is electrically coupled to the engine (102).
  • the motor electronic control unit (103) is electrically coupled to the motor (104).
  • the hybrid electronic control unit (105) is electrically coupled to the hybrid (106).
  • the vehicle power electronic control unit controls the output speed of the vehicle power based on the gradual voltage value of the accelerator pedal position sensor (100) and the command of the electronic brake control unit (201).
  • the accelerator pedal position sensor (100) is removed, and the electronic brake control unit (201) controls the pedal position sensor (200) to adjust the voltage value of the acceleration stroke and the parameters of each sensor according to the speed, and provides a gradual voltage value to the vehicle power electronics. control unit.
  • the vehicle power electronic control unit controls the vehicle power output speed based on the voltage value provided by the electronic brake control unit (201).
  • the accelerator pedal (600) is retained to position the brake stroke, free travel and acceleration stroke of the speed control pedal (300).
  • the speed control pedal bottom plate (309) is lowered from the upper limit position by 2 to 9 mm from the edge of the accelerator pedal roller (604), and the stroke is the braking stroke, that is, the stroke of the speed control pedal (300) moving between P4 and P3. .
  • the speed control pedal position sensor (200) produces a voltage value that is gradually decreasing from V4 to V3.
  • the electronic brake control unit (201) instructs the hydraulic brake execution unit (800) or the pneumatic brake execution unit (900) to release the vehicle brake based on the decreasing voltage value.
  • the speed control pedal position sensor (200) produces a voltage value that is gradually higher from V3 to V4.
  • the electronic brake control unit (201) commands the hydraulic brake execution unit (800) or the pneumatic brake execution unit (900) to brake the vehicle based on the increasing voltage value.
  • the electronic brake control unit (201) receives the wheel speed information transmitted from the wheel speed sensor (209), activates the electronic brake force distribution program, realizes a reasonable distribution of the braking force, and starts the anti-locking program when the vehicle is nearly completely braked. Prevent the wheels from locking.
  • the voltage value of the accelerator pedal position sensor (100) is equal to U2
  • the vehicle power electronic control unit commands the vehicle power to be in an idle state according to the voltage value. For this trip, the travel signal light on the dashboard is red.
  • the speed control pedal bottom plate (309) is 2 to 9 mm from the edge of the accelerator pedal roller (604), and then travels down to contact the edge of the accelerator pedal roller (604), the stroke is a free stroke, that is, the speed control pedal (300) The stroke of movement between points P3 and P2.
  • the speed control pedal position sensor (200) produces a gradual voltage value that is lower than V3 and higher than V2.
  • the electronic brake control unit (201) instructs the hydraulic brake execution unit (800) or the pneumatic brake execution unit (900) to keep the vehicle in a non-braking state according to the voltage value.
  • the voltage value of the accelerator pedal position sensor (100) is equal to U2, and the vehicle power electronic control unit commands the vehicle power to be in an idle state according to the voltage value.
  • the travel signal light on the dashboard shows yellow.
  • the stroke is an acceleration stroke. That is, the speed control pedal (300) drives the stroke of the accelerator pedal (600) to move between points P2 and P1.
  • the accelerator pedal position sensor (100) When the speed control pedal (300) moves from the point P2 downward to the point P1, the accelerator pedal position sensor (100) generates a U2 to U1 decreasing voltage value, and the vehicle power electronic control unit commands the vehicle power to accelerate according to the decreasing voltage value.
  • the accelerator pedal position sensor (100) When the speed control pedal (300) moves from the point P1 to the point P2, the accelerator pedal position sensor (100) generates a U1 to U2 increasing voltage value, and the vehicle power electronic control unit commands the vehicle power to decelerate until the idle speed according to the increasing voltage value. .
  • the accelerator pedal position sensor (100) is removed, and the electronic brake control unit (201) controls the pedal position according to the speed.
  • the sensor (200) accelerates the voltage value of the stroke and the information of each sensor, and controls the vehicle power electronically under the cooperation of the vehicle stability control program, the electronic anti-collision program, the adaptive cruise program, the uphill auxiliary program, and the traction control program.
  • the unit outputs a gradient voltage value.
  • the vehicle power electronic control unit controls the vehicle power output speed based on the voltage value provided by the electronic brake control unit (201).
  • the speed control pedal (300) moves from point P2 down to point P1
  • the vehicle accelerates.
  • the speed control pedal (300) moves from the P1 point to the P2 point, the vehicle decelerates.
  • the speed control pedal position sensor (200) produces a gradual voltage value equal to or less than V2.
  • the electronic brake control unit (201) instructs the hydraulic brake execution unit (800) or the pneumatic brake execution unit (900) to keep the vehicle in a non-braking state according to the voltage value.
  • a free-motion advance notice device lower bump (401) and a free-motion notice device upper bump (402) are disposed at a front end of the pedal bracket (400).
  • a free-motion advance notice device bead (305), a free-motion advance notice device A compression spring (306), and a free-motion advance notice device spring seat (307) are provided on the speed control pedal (300).
  • the free travel warning device A compression spring (306) has a spring force less than 30% of the spring force of the speed control pedal return torsion spring (302).
  • the speed control pedal (300) travels down from the upper limit, the speed control pedal bottom plate (309) is 3 to 12 mm from the edge of the accelerator pedal roller, and the free-motion advance notice device A bead (305) passes through the free-motion advance notice device
  • the bump (402) collides with the upper bump (402) to generate vibration and sound.
  • the driver's feet and ears create a feeling and begin to stop pressing. But under the effect of inertia, the foot continues to press down a little. Then, the speed control pedal bottom plate (309) stops on the edge of the accelerator pedal roller, enters the free stroke, and the vehicle remains idle.
  • a free-motion advance notice device (column) is provided at the rear end of the pedal bracket (400).
  • a free-motion advance notice device B compression spring (701) and a free-motion advance notice device B activity (700) are placed on the free-motion notice device B column (702).
  • the free-running notice device B has a spring force (701) that is less than 30% of the spring force of the speed control pedal return torsion spring (302).
  • the speed control pedal (300) drives the accelerator pedal (600) up and the accelerator pedal positioning end (603) is 1 to 6 mm away from the bottom plate of the pedal bracket (400)
  • the rear end of the speed control pedal bottom plate (309) hits the free-motion warning device Activity B (700) produces sound and vibration.
  • the driver's feet and ears feel and the feet begin to lift. But under the effect of inertia, the foot continues to lift a little.
  • the accelerator pedal positioning end (603) abuts against the bottom plate of the pedal bracket (400), and the speed control pedal enters a free stroke
  • the camera in the front camera distance measuring sensor is mounted on a rotatable platform. According to the corner information transmitted from the steering wheel angle sensor (210), the angle between the lens axis and the longitudinal direction of the vehicle is adjusted at any time by the stepping motor to eliminate the cause. The vehicle turns and causes the lens to deviate from the road surface in front of the vehicle.
  • the hydraulic brake actuator unit (800) uses two independent brake execution systems to control two sets of wheels, one for the brake fluid outlet of the manual brake master cylinder and the parallel and electronic brake switch solenoid valve through the infusion tube ( 801) and electronic brake total intake valve (802). After the electronic and manual brake switching solenoid valve (801), the left front wheel wheel cylinder inlet solenoid valve (803) and the right rear wheel wheel cylinder inlet solenoid valve (806) are connected in parallel through the infusion tube.
  • the left front wheel brake wheel cylinder (804) is connected to the left front wheel brake wheel cylinder intake solenoid valve (803) through the infusion tube, and the left front wheel brake wheel cylinder (804) and the left front wheel brake wheel cylinder
  • the outflow solenoid valve (805) is connected by an infusion tube.
  • the flow valve (802) is connected by an infusion tube.
  • the right rear wheel brake cylinder inflow solenoid valve (806) is connected to the right rear wheel brake wheel cylinder (807) through the infusion tube, and the right rear wheel brake wheel cylinder (807) and the right rear wheel brake wheel cylinder
  • the flow solenoid valve (808) is connected through the infusion tube, and the right rear wheel brake wheel cylinder outflow solenoid valve (808) is connected to the electronic brake total intake valve (802) through the infusion tube.
  • the electronic brake control unit (201) is electrically connected to each of the intake solenoid valves and the respective outflow solenoid valves.
  • Another brake actuation system, the right front and left rear brake actuation systems, is coupled to the manual brake master cylinder interface (810) via an infusion tube.
  • Electronic brake pressurization process electronic and manual brake switching solenoid valve (801) is closed, electronic brake total intake valve (802) is opened, electronic brake pressure pump (809) is activated, left front wheel brake The wheel cylinder intake solenoid valve (803) and the right rear wheel brake wheel cylinder intake solenoid valve (806) are opened, and the left front wheel brake wheel cylinder outflow solenoid valve (805) and the right rear wheel brake wheel cylinder are discharged.
  • the solenoid valve (808) is closed, and the pressures of the left front wheel brake wheel cylinder (804) and the right rear wheel brake wheel cylinder (807) are gradually increased.
  • Electronic brake holding process electronic and manual brake switching solenoid valve (801) is closed, electronic brake total intake valve (802) is opened, electronic brake pressure pump (809) stops pressing, left front wheel brake The wheel cylinder intake solenoid valve (803) and the right rear wheel brake wheel cylinder intake solenoid valve (806) are closed, and the left front wheel brake wheel cylinder outflow solenoid valve (805) and the right rear wheel brake wheel cylinder are outflow The solenoid valve (808) is closed, and the left front wheel wheel cylinder (804) and the right rear wheel wheel cylinder (807) are pressure maintained.
  • Electronic brake decompression process electronic and manual brake conversion solenoid valve (801) is closed, electronic brake total intake valve (802) is opened, electronic brake pressure pump (809) stops pressurization, left front wheel brake The wheel cylinder intake solenoid valve (803) and the right rear wheel brake wheel cylinder intake solenoid valve (806) are closed, and the left front wheel brake wheel cylinder outflow solenoid valve (805) and the right rear wheel brake wheel cylinder are outflow The solenoid valve (808) is opened, and the pressure of the left front wheel wheel cylinder (804) and the right rear wheel wheel cylinder (807) is reduced.
  • the electronic brake control unit (201) When the manual brake pedal is depressed, the electronic brake control unit (201) is turned off, the electronic and manual brake switching solenoid valve (801) returns to the normally open position, and the brake electronic total intake valve ( 802) Return to the normally closed position.
  • the electronic brake booster pump (809) stops the pressurization.
  • the left front wheel wheel cylinder inflow solenoid valve (803) and the right rear wheel wheel cylinder inflow solenoid valve (806) return to the normally open position.
  • the left front wheel brake wheel cylinder outflow solenoid valve (805) and the right rear wheel brake wheel cylinder outflow solenoid valve (808) return to the normally closed position.
  • the left front wheel brake wheel cylinder (804) and the right rear wheel brake wheel cylinder (807) increase as the pressure of the manual brake master cylinder (203) increases, and the vehicle is braked.
  • the pneumatic brake execution unit (900) uses two independent brake execution systems to control two sets of wheels, one of which is connected to the air tank (902) behind the air compressor (901), in the gas storage tank (902).
  • the rear left brake air chamber intake solenoid valve (903) and the right rear wheel brake chamber intake solenoid valve (906) are connected in parallel through the gas pipe.
  • the left front wheel brake chamber intake solenoid valve (903) is connected to the left front wheel brake chamber (904) through the gas pipe
  • the left front wheel brake chamber (904) and the left front wheel brake chamber The exhaust solenoid valve (905) is connected through a gas pipe.
  • the exhaust solenoid valve (908) is connected through a gas pipe.
  • the intake solenoid valve and the exhaust solenoid valve are both disposed on the brake chamber.
  • the electronic brake control unit (201) is electrically connected to each of the intake solenoid valves and the respective exhaust solenoid valves.
  • the hand brake valve (909) air inlet is connected to the air tank A (902) through a gas pipe.
  • the hand brake valve (909) connects the left front wheel brake chamber (904) and the right rear wheel brake chamber (907) through the gas pipe.
  • the other side of the gas tank B (910) and the air compressor (901) are connected through a gas pipe. Gas tank B (910) is used for braking of the right front wheel and the left rear wheel.
  • the electronic brake pressurization process the left front wheel brake chamber intake solenoid valve (903) and the right rear wheel brake chamber intake solenoid valve (906) are opened.
  • the pressurized air in the gas cylinder A (902) enters the left front wheel brake chamber (904) and the right rear wheel brake chamber (907), causing the brake chamber pressure to increase to brake the vehicle.
  • the electronic brake holding process the left front wheel brake chamber intake solenoid valve (903) and the right rear wheel brake chamber intake solenoid valve (906) are closed.
  • the left front wheel brake chamber (904) and the right rear wheel brake chamber (907) are pressure maintained.
  • the electronic brake decompression process the left front wheel brake chamber intake solenoid valve (903) and the right rear wheel brake chamber intake solenoid valve (906) are closed.
  • the left front wheel brake chamber (904) and the right rear wheel brake chamber (907) are reduced in pressure to release the vehicle brake.
  • the electronic brake control unit (201) receives the front radar ranging sensor (205), the front camera ranging sensor (206), the front ultrasonic ranging sensor (204), and the lateral acceleration sensor (208).
  • the information transmitted by the wheel speed sensor (209) and the steering wheel angle sensor (210) is comprehensively analyzed and calculated to determine whether the distance between the pedestrian, the vehicle and the obstacle is a safe distance, not the sound and light alarm.
  • the electronic brake control unit (201) takes over the vehicle speed control and sends a signal to the vehicle power control unit to command the vehicle to decelerate rapidly.
  • the vehicle is actively and completely braked by the hydraulic brake actuator unit (800) or the pneumatic brake actuator unit (900).
  • the electronic brake control unit (201) receives the information transmitted from the rear ultrasonic ranging sensor (207), the wheel speed sensor (209), and the steering wheel angle sensor (210), and performs comprehensive analysis and calculation to determine the pedestrian after the vehicle. Whether the distance between the vehicle and the obstacle is a safe distance. No, sound and light alarm. When approaching the danger, the driver has not responded, the electronic brake control unit (201) takes over the vehicle speed control, instructs the vehicle power electronic control unit to control the vehicle power to decelerate rapidly, and through the hydraulic brake actuator unit (800) or pneumatic brake The execution unit (900) actively brakes the vehicle completely.
  • the electronic brake control unit (201) receives the front radar ranging sensor (205), the front camera ranging sensor (206), the front ultrasonic ranging sensor (204), The information transmitted from the lateral acceleration sensor (208), the wheel speed sensor (209), and the steering wheel angle sensor (210) is subjected to comprehensive analysis and calculation to determine whether the distance between the pedestrian, the vehicle, and the obstacle is a safe distance. When it is a safe distance, keep the cruise speed set by the driver forward. When the current vehicle distance is less than the safety distance, the electronic brake control unit (201) sends a signal to the vehicle power electronic control unit to instruct the vehicle power to decelerate and actively reduce the vehicle speed.
  • the electronic brake control unit (201) sends a signal to the vehicle power electronic control unit to command the vehicle power to accelerate to the set cruising speed.
  • the electronic brake control unit (201) exits the adaptive cruise and enters the normal acceleration and brake operation.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)

Abstract

L'invention concerne un dispositif de pédale d'accélérateur/de frein intégré présentant des fonctions anti-collision et anti-blocage. Une pédale d'accélérateur et une pédale de frein sont intégrées et sont combinées à un programme anti-blocage électronique, à un programme de distribution de force de freinage électronique, à un programme de commande de force de traction, à un programme de commande de stabilité de carrosserie de véhicule, à un programme d'aide à la montée, à un programme anti-collision électronique et à un programme de croisière auto-adaptatif de manière à mettre en œuvre une accélération électronique et un freinage électronique d'un véhicule. La pédale de commande de vitesse comprend une course de frein, une course libre et une course d'accélération permettant de commander respectivement le freinage, le ralenti et l'accélération ou la décélération du véhicule. L'invention concerne également un dispositif permettant une notification à l'avance de l'entrée de la pédale de commande de vitesse dans une course libre. Un actionneur de frein hydraulique à commande électronique est amélioré. Un actionneur de frein pneumatique à commande électronique est novateur.
PCT/CN2017/000142 2017-02-03 2017-02-03 Dispositif de pédale d'accélérateur/de frein intégrée présentant des fonctions anti-collision et anti-blocage Ceased WO2018141077A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/000142 WO2018141077A1 (fr) 2017-02-03 2017-02-03 Dispositif de pédale d'accélérateur/de frein intégrée présentant des fonctions anti-collision et anti-blocage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/000142 WO2018141077A1 (fr) 2017-02-03 2017-02-03 Dispositif de pédale d'accélérateur/de frein intégrée présentant des fonctions anti-collision et anti-blocage

Publications (1)

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WO2018141077A1 true WO2018141077A1 (fr) 2018-08-09

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6592495B2 (en) * 2001-08-16 2003-07-15 Kia Motors Corporation Brake system of vehicle
CN104554199A (zh) * 2013-10-22 2015-04-29 杨国青 一种电动车辆的单踏板速度控制系统
CN104709086A (zh) * 2015-03-06 2015-06-17 肖湘茂 一种加速踏板与制动踏板合为一体的汽车加速制动装置
CN204998520U (zh) * 2015-09-17 2016-01-27 苏州易动智能科技有限公司 汽车电子油门制动一体装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6592495B2 (en) * 2001-08-16 2003-07-15 Kia Motors Corporation Brake system of vehicle
CN104554199A (zh) * 2013-10-22 2015-04-29 杨国青 一种电动车辆的单踏板速度控制系统
CN104709086A (zh) * 2015-03-06 2015-06-17 肖湘茂 一种加速踏板与制动踏板合为一体的汽车加速制动装置
CN204998520U (zh) * 2015-09-17 2016-01-27 苏州易动智能科技有限公司 汽车电子油门制动一体装置

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