CN2885632Y - Height-variable rigidity-variable damp control device for automobile suspension system - Google Patents

Abstract

Translated fromChinese

一种用于汽车悬挂系统的变高度变刚度变阻尼控制装置，由传感器部件、控制器和执行部件构成，传感器部件、控制器和执行部件之间设置电气连接，传感器部件由车身速度与位置传感器单元和操纵行驶传感器单元组成，车身速度与位置传感器单元由车身加速度传感器、车身位移转角传感器、车身高度传感器和车速传感器组成，操纵行驶传感器单元由方向盘转角传感器、加速踏板传感器、制动踏板传感器和制动压力传感器组成，控制器采用ECU，执行部件由可变刚度可变高度油气减振器、可变阻尼电磁阀和可变刚度横向稳定杆组成，与ECU相连设置有节气门传感器和路面选择开关。可根据汽车工况参数闭环地调整汽车振动和稳定，提高汽车的稳定性、舒适性和安全性。

A variable-height, variable-stiffness, and variable-damping control device for automobile suspension systems, consisting of a sensor component, a controller, and an executive component, with an electrical connection between the sensor component, the controller, and the executive component, and the sensor component consists of a vehicle body speed and position sensor The vehicle body speed and position sensor unit is composed of vehicle body acceleration sensor, vehicle body displacement angle sensor, vehicle body height sensor and vehicle speed sensor. The steering wheel sensor unit is composed of steering wheel angle sensor, accelerator pedal sensor, brake pedal sensor and Composed of brake pressure sensors, the controller adopts ECU, and the executive parts are composed of variable stiffness and variable height oil-gas shock absorbers, variable damping solenoid valves and variable stiffness lateral stabilizer bars. The throttle sensor and road surface selection are connected to the ECU. switch. The vibration and stability of the car can be adjusted in a closed-loop manner according to the parameters of the car's working conditions, and the stability, comfort and safety of the car can be improved.

Description

A kind of degree of uprising that is used for automobile suspension system becomes the stiffness and damping changing control setup

Technical field:

The utility model relates to vehicle, relates in particular to the suspension of automobile, and particularly a kind of degree of uprising that is used for automobile suspension system becomes the stiffness and damping changing control setup.

Background technology:

In the prior art, the suspension of automobile adopts parameter independent, the control system of open loop is controlled the vehicle behavior parameter, the independent respectively open-ended control of each assembly of suspension, interdependence is little, can not fundamentally solve the influence that is implicative of each other of auto body up-and-down movement and cross motion, its height, the control of rigidity and damping is only carried out according to the up-and-down movement rule of vehicle body, and do not hang influencing each other of actuating units and pin down factor with reference to difference, therefore be difficult to realize vehicle body up-and-down movement and the horizontal inclination campaign of vehicle body traction coordination between the two, make automobile stationarity in the process of moving, traveling comfort and safety are relatively poor.Because when having Vehicle Electronic Control now

Summary of the invention:

The purpose of this utility model provides a kind of degree of uprising that is used for automobile suspension system and becomes the stiffness and damping changing control setup, and the described this degree of uprising that is used for automobile suspension system becomes the stiffness and damping changing control setup will solve the technical matters that the prior art automobile suspension system is difficult to realize between the two traction coordination of vehicle body up-and-down movement and the horizontal inclination campaign of vehicle body, influences automobile balance, traveling comfort and safety.

This degree of uprising that is used for automobile suspension system of the present utility model becomes the stiffness and damping changing control setup by automobile, body-acceleration sensor, vehicle body displacement angle sensor, throttle sensor, steering wheel angle sensor, accelerator pedal sensor, brake pedal sensor, the braking force sensor, height sensor, car speed sensor, auto electronic control unit ECU, stiffness variable variable height air oil shock absorber, adaptive damping electromagnetic valve and change rigidity Panhard rod constitute, described change rigidity Panhard rod constitutes by becoming rigidity rod member and electromagnetic valve, wherein, described body-acceleration sensor, vehicle body displacement angle sensor, height sensor and car speed sensor all are arranged on the vehicle body of described automobile, described steering wheel angle sensor links to each other with the steering shaft of automobile steering wheel, described accelerator pedal sensor is arranged in the Das Gaspedal stroke of automobile, described brake pedal sensor is arranged in the brake pedal plate stroke of automobile, described braking force sensor is arranged in the brake hydraulic line of automobile, described stiffness variable variable height air oil shock absorber is arranged on the Wheel bearing of automobile, described adaptive damping electromagnetic valve is connected with stiffness variable variable height air oil shock absorber by pipeline, described change rigidity Panhard rod is arranged on the side of the front and back vehicle bridge of automobile, described body-acceleration sensor, vehicle body displacement rotary angle transmitter, height sensor, car speed sensor, steering wheel angle sensor, accelerator pedal sensor, brake pedal sensor and braking force sensor are electrically connected with described auto electronic control unit respectively, described stiffness variable variable height air oil shock absorber, adaptive damping electromagnetic valve and the electromagnetic valve that becomes in the rigidity Panhard rod are electrically connected with the auto electronic control unit respectively.

Further, the instrument carrier panel of described automobile is provided with the condition of road surface select switch, and described condition of road surface select switch and described auto electronic control unit are electrically connected.

Further, the engine air throttle place of described automobile is provided with throttle sensor, and described throttle sensor and described auto electronic control unit are electrically connected.

Concrete, body-acceleration sensor described in the utility model, vehicle body displacement angle sensor, height sensor, car speed sensor, steering wheel angle sensor, accelerator pedal sensor, brake pedal sensor, brake-pressure sensor, throttle sensor, the condition of road surface select switch, the auto electronic control unit, stiffness variable variable height air oil shock absorber, the adaptive damping electromagnetic valve, stiffness variable Panhard rod and electromagnetic valve wherein all adopt known technology of the prior art, relevant above-mentioned parts known solution in the prior art, those skilled in the art all understands, does not repeat them here.

Working process of the present utility model is as follows: body-acceleration sensor, vehicle body displacement angle sensor, car speed sensor and height sensor are measured vehicle body speed acceleration/accel and there is related parameter the position, and send these parameters to auto electronic control unit ECU; Throttle sensor detects the parameter of automotive engine throttle gate and sends auto electronic control unit ECU to; The acceleration/accel of steering wheel angle sensor, acceleration/accel pedal sensor and brake pedal sensor measured automobiles and deceleration/decel parameter, and send these parameters to auto electronic control unit ECU; Pressure parameter in the brake-pressure sensor measured automobiles brake hydraulic line, road surface select switch transmit the road surface signal for auto electronic control unit ECU.Auto electronic control unit ECU obtains to adopt built-in algorithms to make a strategic decision after the above-mentioned vehicle behavior parameter, and will output signal to electromagnetic valve in adaptive damping electromagnetic valve and the stiffness variable Panhard rod, and control stiffness variable variable height air oil shock absorber by the adaptive damping electromagnetic valve, service condition by solenoid control stiffness variable Panhard rod, thereby make stiffness variable variable height air oil shock absorber and the co-ordination of stiffness variable Panhard rod, the closed loop work system that forms regulation and control and coordinate.

The utility model compared with the prior art, effect is actively and significantly.The utility model adopts the connection mode of closed loop on existing automobile suspension system, under auto electronic control unit ECU control, according to the service condition of the duty parameter co-operative control automobile component of automobile, the stability, traveling comfort and the safety that have improved automobile.

Description of drawings:

Fig. 1 is the principle schematic that a kind of degree of uprising that is used for automobile suspension system of the utility model becomes the stiffness and damping changing control setup.

The specific embodiment:

As shown in Figure 1, the degree of uprising that is used for automobile suspension system of the present utility model becomes the stiffness and damping changing control setup by sensor element, controller and execution unit constitute, wherein, sensor element is made up of vehicle body speed and position sensor unit and the manipulation sensor unit that travels, vehicle body speed and position sensor unit are arranged on the auto body, vehicle body speed and position sensor unit are by body-acceleration sensor 1, vehicle body displacement rotary angle transmitter 2, height sensor 3 and car speed sensor 4 are formed, manipulation is travelled sensor unit by steering wheel angle sensor 6, accelerator pedal sensor 7, brake pedal sensor 8 and brake-pressure sensor 9 are formed, steering wheel angle sensor 6 is arranged on the steering column shaft of automobile, accelerator pedal sensor 7 links to each other with the Das Gaspedal of automobile, brake pedal sensor 8 links to each other with the brake pedal plate of automobile, brake-pressure sensor 9 is arranged on the brake hydraulic line, controller is an auto electronic control unit 15, execution unit is by stiffness variable variable height air oil shock absorber 11, adaptive damping electromagnetic valve 12, electromagnetic valve 13 and stiffness variable Panhard rod 14 are formed, stiffness variable variable height air oil shock absorber 11 is arranged on the Wheel bearing of automobile, adaptive damping electromagnetic valve 12 is arranged near the stiffness variable variable height air oil shock absorber 11 and with stiffness variable variable height air oil shock absorber 11 and links to each other, stiffness variable Panhard rod 14 is arranged near the front and back vehicle bridge of automobile, electromagnetic valve 13 is arranged on the stiffness variable Panhard rod 14, body-acceleration sensor 1, vehicle body displacement rotary angle transmitter 2, height sensor 3, car speed sensor 4, steering wheel angle sensor 6, accelerator pedal sensor 7, brake pedal sensor 8 and braking force sensor 9 are provided with auto electronic control unit 15 and are electrically connected stiffness variable variable height air oil shock absorber 11, adaptive damping electromagnetic valve 12, electromagnetic valve 13 and stiffness variable Panhard rod 14 are provided with auto electronic control unit 15 and are electrically connected.

Further, be provided with throttle sensor 5 at the engine air throttle place of automobile, throttle sensor 5 is provided with auto electronic control unit 15 and is electrically connected.

Further, the driving surface of automobile is provided with road surface select switch 10, and road surface select switch 10 is provided with auto electronic control unit 15 and is electrically connected.

Claims (3)

1. a degree of uprising that is used for automobile suspension system becomes the stiffness and damping changing control setup, by automobile, body-acceleration sensor, vehicle body displacement angle sensor, throttle sensor, steering wheel angle sensor, accelerator pedal sensor, brake pedal sensor, the braking force sensor, height sensor, car speed sensor, the auto electronic control unit, stiffness variable variable height air oil shock absorber, adaptive damping electromagnetic valve and change rigidity Panhard rod constitute, described change rigidity Panhard rod constitutes by becoming rigidity rod member and electromagnetic valve, it is characterized in that: described body-acceleration sensor, vehicle body displacement angle sensor, height sensor and car speed sensor all are arranged on the vehicle body of described automobile, described steering wheel angle sensor links to each other with the steering shaft of automobile steering wheel, described accelerator pedal sensor is arranged in the Das Gaspedal stroke of automobile, described brake pedal sensor is arranged in the brake pedal plate stroke of automobile, described braking force sensor is arranged in the brake hydraulic line of automobile, described stiffness variable variable height air oil shock absorber is arranged on the Wheel bearing of automobile, described adaptive damping electromagnetic valve is connected with stiffness variable variable height air oil shock absorber by pipeline, described change rigidity Panhard rod is arranged on the side of the front and back vehicle bridge of automobile, described body-acceleration sensor, vehicle body displacement rotary angle transmitter, height sensor, car speed sensor, steering wheel angle sensor, accelerator pedal sensor, brake pedal sensor and braking force sensor are electrically connected with described auto electronic control unit respectively, described stiffness variable variable height air oil shock absorber, adaptive damping electromagnetic valve and the electromagnetic valve that becomes in the rigidity Panhard rod are electrically connected with the auto electronic control unit respectively.

2. the degree of uprising that is used for automobile suspension system as claimed in claim 1 becomes the stiffness and damping changing control setup, it is characterized in that: the instrument carrier panel of described automobile is provided with the condition of road surface select switch, and described condition of road surface select switch and described auto electronic control unit are electrically connected.

3. the degree of uprising that is used for automobile suspension system as claimed in claim 1 becomes the stiffness and damping changing control setup, it is characterized in that: the engine air throttle place of described automobile is provided with throttle sensor, and described throttle sensor and described auto electronic control unit are electrically connected.