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An electronic steering column lock control system and control method thereof

A technology of steering column lock and control electronics, which is applied in the direction of anti-theft vehicle accessories, transportation and packaging, vehicle parts, etc., to achieve a high degree of completeness.

Active Publication Date: 2016-02-24
HELLA SHANGHAI ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Greatly reduce the risk of false locking, and because the mechanical micro switch is not affected by temperature, it avoids the problem of false feedback caused by extreme temperature

Method used

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  • An electronic steering column lock control system and control method thereof
  • An electronic steering column lock control system and control method thereof

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Embodiment Construction

[0028] The advantages of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0029] as attached figure 2 As shown, one aspect of the present invention is to provide an electronic steering column lock control system 201 for controlling the unlocking and unlocking of the electronic steering column lock, which communicates with the body module through the CAN bus 218. The electronic steering column lock control system 201 Including: CAN transceiver unit 202, connected to CAN bus 218; main MCU unit 203, connected to CAN transceiver unit 202; position feedback unit, connected to main MCU unit 203, which specifically includes Hall sensor 206 and mechanical micro-motor switch 205, Respectively used to feed back the deadbolt position information of the steering column lock; the internal signal feedback unit 204 is connected to the main MCU unit 203, and the internal feedback signal unit 204 obtains the volta...

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Abstract

The invention provides a control system of an electronic steering column lock and a control method thereof. The system adopts a CAN bus to communicate with a vehicle body module and comprises a CAN receive-transmit unit which is connected with the CAN bus, a main MCU connected with the CAN receive-transmit unit, a position feedback unit which is connected with the main MCU and comprises a Hall sensor and a mechanical micro-switch both used for the feedback of the position information of a lock bolt of the steering column lock, an internal signal feedback unit connected with the main MCU, a safe MCU, an execution unit connected with the main MCU to be used for regulating the lock bolt to perform unlocking and locking operations, a main system power supply for supplying power to the main MCU, the internal signal feedback unit and a CAN transceiver in a connecting manner, and a safe MCU power supply connected with the safe MCU for power supply, wherein the safe MCU is connected with the main MCU to receive the information of the vehicle body module and the status information of the main MCU through the main MCU so as to assist the main MCU in controlling the locking of the electronic steering column lock; and the safe MCU power supply is controlled by the main MCU.

Description

technical field [0001] The invention relates to a vehicle electronic steering column lock control system and a control method thereof. Background technique [0002] With the advancement of technology and the increasingly widespread application of electronic control modules in automobiles, due to the inherent high reliability, high safety, long life, and low cost of electromechanical modules, more and more purely mechanical functional modules are being used by electronic Replaced by the mechanical control module, the electronic steering column lock system is a typical application. Its main function is that the electronic control module controls the steering column lock to the steering wheel by judging the status information of the car itself (ignition switch status, vehicle speed, engine speed, gear position, etc.) The steering column is locked or unlocked. The specific scheme of the existing electronic steering column lock system is as follows: figure 1 As shown, the part ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R25/0215
Inventor 金红宾蒋军周彤于伟
Owner HELLA SHANGHAI ELECTRONICS
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