Electronic air control shutter drive mechanism
A technology of electronic throttle and transmission device, which is applied in the control of vehicle throttle and the design field of vehicle electronic throttle control device. It can solve the problems that it is difficult to achieve accurate control effect and the vehicle cannot work normally, and achieve simple structure. , The effect of convenient installation and debugging
Inactive Publication Date: 2004-11-03
TSINGHUA UNIV
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Problems solved by technology
However, when the electronic control device fails during driving, it will cause the vehicle to fail to work normally.
The existing artificial actuation device is driven by a soft drawstring connected between the pedal and the throttle body turntable, and the driver steps on the pedal to pull the soft drawstring to realize the adjustment of the throttle opening. ; But human control is limited by the driver's subjective judgment, it is difficult to achieve precise control effect
Method used
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[0007] See figure 1 , in the transmission device, the motor drive circuit 7 receives the control command (throttle opening command) issued by the controller 3 to drive the DC motor 9 to rotate a certain angle, driven by the DC motor 9, the torque increasing gear pair 10 rotates, driving The turntable 11 rotates, and the soft pull cord 8 wound on the turntable 11 drives the turntable 4 on the throttle body 5 to rotate, thereby realizing the control of the opening of the throttle. The rotating shaft 14 connects the torque-increasing gear pair 10 and the turntable 11 coaxially, so that the turntable 11 is driven to rotate through the twist-increasing gear pair 10, and a return spring 13 is set on the rotating shaft 14, and any end of the spring 13 is fixed on the sliding On the bearing 12 (the bearing 12 is fixed on the inner surface of the metal shell), the other end is fixed on the rotating shaft 14. When the turntable 11 drives the throttle body 5 to rotate a certain angle, un...
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The present invention is electronic air throttle unit, relates to vehicle air throttle controlling technology and especially the design technology of electronic air throttle controller for vehicle with adaptive cruising function. The present invention features the combination of available electronic control of air throttle and manpowered transmission, and there are one torque increasing gear pair connected via a rotation shaft to a turntable coaxially, one re-positioning spring on the shaft, one soft rope to connect the turntable with one turntable on the air throttle, one third turntable connected to pedal via one other rope, and one angular displacement sensor mounted on the third turntable and with signal output connected to the upper end controller. The present invention makes it possible for running vehicle to output precise control command to control the opening of air throttle and switch to manual control if necessary.
Description
Technical field: [0001] An electronic throttle transmission device relates to the technical field of vehicle throttle control, in particular to the technical field of design of a vehicle electronic throttle control device with an adaptive cruise function. Background technique: [0002] In the prior art, throttle control devices for vehicles are generally classified into electronic control devices and manual actuation devices. The electronic control device is used in vehicles with cruise function, mainly including driver command input terminals, various on-board sensors, controllers and transmission devices. The driver gives the vehicle a cruising speed signal through the command input terminal, and the controller analyzes and processes the input command and various vehicle / road condition information fed back by the on-board sensor, sends a control command to the transmission device, and the transmission device adjusts the throttle opening. Size, so as to control the output ...
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IPC IPC(8): B60K31/00
Inventor 李克强宾洋王建强罗禹贡杨殿阁连小珉
Owner TSINGHUA UNIV