Electromagnetic steering booster of vehicle

A power steering and electromagnetic technology, which is applied in the field of electromagnetic power steering devices for automobiles, can solve problems such as troublesome control, complex composition, and high cost, and achieve the effects of reliable use, simple structure, and low cost

Inactive Publication Date: 2003-09-03
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the complex composition of the electric power steering device (composed of a power steering motor, a reducer, an electromagnetic clutch, a steering wheel torque sensor, a vehicle speed sensor, an electronic control unit, and a power supply), the control is cumbersome and expensive. The power steering device is only applied on some high-end luxury cars

Method used

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  • Electromagnetic steering booster of vehicle
  • Electromagnetic steering booster of vehicle
  • Electromagnetic steering booster of vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 1 As shown, the electromagnetic vehicle power steering device is composed of an electromagnetic booster 5, a steering wheel angular displacement sensor 3, a vehicle speed sensor 6, a control module 8 and a power supply 7. The steering wheel angular displacement sensor 3 is located on the steering shaft 2, and is composed of The signal wire is connected with the control module 8, the vehicle speed sensor 6 is connected with the control module 8 by the signal wire, and the control module 8 is connected with the power supply 7 by the wire; the control module 8 is connected with the electromagnetic booster 5 by the wire, and the electromagnetic booster 5 Located in the steering gear 4. The steering gear 4 is a rack and pinion steering gear.

[0020] Such as image 3 As shown, the electromagnetic booster 5 is composed of an iron core 14 and an electromagnetic coil 13, one of the electromagnetic coil 13 and the iron core 14 is a fixed part, and the other is a...

Embodiment 2

[0025] Electromagnetic automobile power steering device, which is composed of electromagnetic booster 5, steering wheel angular displacement sensor 3, vehicle speed sensor 6, control module 8 and power supply 7, steering wheel angular displacement sensor 3 is located on steering shaft 2, and is connected by signal line and The control module 8 is connected, the vehicle speed sensor 6 is connected with the control module 8 by the signal line, the control module 8 is connected with the power supply 7 by the wire; the control module 8 is connected with the electromagnetic booster 5 by the wire, and the electromagnetic booster 5 is located at the steering gear 4 output terminals.

[0026] The steering wheel angular displacement sensor 3 is a potentiometer type or a Hall type or a photoelectric type or a conductive plastic type or a capacitive or inductive angular displacement sensor.

[0027] The steering gear is a rack and pinion steering gear or a recirculating ball steering gea...

Embodiment 3

[0032] Basically the same as Embodiment 2, the electromagnetic booster 5 is located at the output end of the steering gear, the only difference is: as Figure 4 As shown, the iron core 14 is connected with the steering knuckle arm 12, and the electromagnetic booster 5 pushes the steering knuckle arm 12 to move. Alternatively, the electromagnetic coil 13 of the electromagnetic booster 5 is connected to the steering knuckle arm 12 , and the electromagnetic booster 5 pushes the steering knuckle arm 12 to move.

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PUM

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Abstract

An electromagnetic steering booster of car is composed of speed sensor, control module, power supply, and angle displacement sensor for steering wheel, and features that said control module is electrically connected to all others. Its advantages are simple structure, low cost, high reliability and saving energy.

Description

technical field [0001] The invention relates to a steering assist device for reducing the steering force of an automobile in an automobile steering system, in particular to an electromagnetic steering assist device controlled by an automobile steering wheel angle displacement signal and a vehicle speed signal. Background technique [0002] When a car is running, it needs to change its driving direction frequently, that is, turn. The method of changing the driving direction of the car is: the driver manipulates the steering wheel according to the driving needs and deflects the steering wheel of the car by a corresponding angle relative to the longitudinal axis of the car through a set of special mechanisms (steering system). [0003] Since the steering operation is very frequent during the driving of the car, if the driver requires a large force to manipulate the steering wheel, it will easily lead to driver fatigue. For this reason, in all kinds of automobiles and medium an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04B62D6/02
Inventor 何耀华
Owner WUHAN UNIV OF TECH
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