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Control apparatus of motor central lock with CAN interface

A technology of control device and central lock, which is applied in anti-theft vehicle accessories, building locks, vehicle parts, etc., can solve the problems of large space occupation, numerous lines, single interface function, etc., and achieve the effect of avoiding overcurrent burning

Inactive Publication Date: 2010-07-21
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, the current vehicle central lock has the disadvantages of single interface function, many lines, complicated installation, and will take up a lot of space in actual use.

Method used

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  • Control apparatus of motor central lock with CAN interface
  • Control apparatus of motor central lock with CAN interface
  • Control apparatus of motor central lock with CAN interface

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Experimental program
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Effect test

Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0035] 1. Circuit structure

[0036] like figure 1 As shown, the present invention includes a power supply circuit 1, a CAN interface circuit 2, a single-chip microcomputer circuit 3, a central control door lock motor drive circuit 4, a central control lock position detection circuit 5, an overcurrent detection circuit 6 and an interface circuit 7.

[0037] The power supply circuit 1 provides a stable voltage to the CAN communication driver chip, single-chip microcomputer, motor driver chip, central control lock state detection chip and motor coil overcurrent detection chip.

[0038] The CAN driver chip of the CAN interface circuit 2 is the interface between the CAN protocol controller and the physical bus, and provides differential sending capabilities for the bus and differential receiving capabilities for the CAN controller.

[0039] Single-...

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Abstract

This invention relates to one car control lock device with CAN interface, which comprises power circuit to realize CAN communication drive interface circuit to realize information sending, receiving and processing and controlled single machine circuit; the drive central control gate lock motor drive circuit; position test circuit to test central gate lock position status; over current test circuit to test drive motor current and interface circuit; the communication agreement sets middle control lock device joint address, communication rate, message frame number and parameters and usage method.

Description

technical field [0001] The invention relates to a central locking control device for automobiles, in particular to a central locking control device for vehicles with a CAN communication interface. Background technique [0002] Vehicle technology is changing with each passing day, and the level of networked control is getting higher and higher, which also puts forward higher and higher intelligent requirements for central locking. The existing central control door locks generally work as a set of independent systems, and its control ideas, working status and other information are difficult to link with other systems on the vehicle, which greatly limits the realization of the integrated functions of the body control. The Chinese patent application number 200420050492.7: Automobile door central locking and window glass automatic control device introduces a central locking control device, which uses traditional detection lines to access signals, and controls the central locking ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G07C9/00E05B65/36B60R25/00B60R25/20E05B77/46
Inventor 陈志武王丽芳廖承林唐晓泉徐冬平杨健
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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