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Electric power steering system of a car

An electric power steering and automobile technology, which is applied to electric steering mechanisms, automatic steering control components, steering mechanisms, etc., can solve the problems of limited popularization, high development cost, and many inspection items, and achieves low cost, convenient inspection, and steering wheel. calm effect

Inactive Publication Date: 2014-09-03
林德轩
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terms of automotive microelectronic control, especially on power steering control, there are a series of more stringent requirements. Compared with traditional hydraulic power steering, the development cost is higher, and the inspection items are many and complicated, which limits to a certain extent popularization of this technology

Method used

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  • Electric power steering system of a car

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Experimental program
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Effect test

Embodiment Construction

[0008] Such as figure 1 The electric power steering system for automobiles shown includes an electronic control unit, a battery, a drive motor and a clutch. The signal input terminals of the electronic control unit are respectively connected to a steering sensor, a vehicle speed sensor and an engine speed sensor. The electronic control unit includes a microprocessor And the drive circuit, the signal output end of the microprocessor is connected with the signal input end of the drive circuit, the drive circuit controls the driving motor action, the signal output end of the microprocessor is also connected with the signal input end of the clutch, the battery supplies power for the whole system, the micro A working indicator light is also connected to the processor.

[0009] When the car is turning, the steering sensor detects the torque and direction of rotation of the steering wheel, and sends these signals to the electronic control unit, and the microprocessor in it sends a si...

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PUM

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Abstract

The invention discloses an electric power steering system of a car in the field of a steering systems of a cars. The steering system comprises an electronic control unit, an accumulator, a drive motor and a clutch, wherein the a signal input end terminal of the electronic control unit is respectively connected with a torque sensor, a vehicle speed sensor and an engine speed sensor respectively,; the electronic control unit comprises a microprocessor and a drive circuit, wherein the a signal output end terminal of the microprocessor is connected with the a signal input end terminal of the drive circuit, ; the drive circuit is used for controlling the drive motor to act, the signal output end terminal of the microprocessor is also connected with the signal input end terminal of the clutch, and the accumulator is used for supplying the power for the whole system. The steering system disclosed by the invention has the advantages of simpler structure, low cost, and more convenient convenience in examination. The steering system , and can be applied to the steering system of the car.

Description

technical field [0001] The invention relates to an automobile steering system, in particular to an electric power steering system. Background technique [0002] With the wide application of microelectronics technology in the automotive field, the new electric power steering system (EPS, Electric Power Steering) that is high-performance, energy-saving and applicable, and can be fully connected with automotive intelligent systems has become the development direction of automotive power steering devices. The digital system based on the microprocessor has the certainty of signal transmission and processing and the versatility of the interface. It has fully demonstrated its advantages in the aspect of automotive electronic control, which cannot be achieved by the analog system. Taking advantage of many advantages of digital circuits, the electronic control unit (ECU) of the electric power steering system has achieved miniaturization, is convenient for vehicles, and has a powerful...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04B62D6/00B62D101/00B62D119/00B62D127/00
Inventor 林德轩
Owner 林德轩
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