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On vehicle network central control unit and its managing and controlling method for on-vehicle network

A technology of central control unit and in-vehicle network, applied in data exchange network, electrical components, data exchange through path configuration, etc., can solve the problems of lack of electronic control device configuration, diagnosis and management, lack of organic connection, lack of system formation, etc.

Inactive Publication Date: 2006-01-11
袁光辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are more and more phenomena of using electronic control devices to control certain functions of automobiles, such as airbags and ABS. The work of each control device is independent, there is no system, and there is no organic connection. Isolated, without other relevant technical data at the time of failure, lack of configuration, diagnosis and management of all electronic control devices of the entire system

Method used

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  • On vehicle network central control unit and its managing and controlling method for on-vehicle network
  • On vehicle network central control unit and its managing and controlling method for on-vehicle network

Examples

Experimental program
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Embodiment Construction

[0033] Refer to attached figure 1 , 2 , The central control unit of the vehicle network includes a microprocessor integrated with a CAN controller, a CAN transceiver, an input and output interface circuit, a switch signal detection circuit, a regulated power supply, and the like.

[0034] The CAN bus is connected to the CAN transceiver through the input and output interface, the CAN transceiver is connected to the microprocessor CPU, the combination switch is connected to the input and output interface, the switch signal detection circuit is connected to the microprocessor CPU, and the regulated power supply provides the working voltage for the system . The controller area network CAN controller is integrated in the microprocessor CPU.

[0035] The microprocessor CPU can use MC68HC08GZ16, the CAN transceiver of the controller area network can use TJA1054, the power supply module can use LM2576-5, and the switch signal detection chip can use MC33993.

[0036] The central con...

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Abstract

This invention relates to a central control unit of a car carried network and a method for controlling and managing the car-carried network, among which, the central control unit includes a microprocessor CPU, a CAN T / R device, a CAN controller, a CAN bus, interface, a regulated supply, an input / output interface circuit and a switch signal test circuit. The network system is composed of several electronic control units with CAN interface, the PCU and all nodes of the car-carried network keep communication therefore, the CPU stores node database originally matched, the central control unit and other nodes interact via data communication of matched data request, response and network management request and response to realize the network management of configuration, diagnosis, sleep and awaking.

Description

technical field [0001] The present invention relates to a vehicle-mounted network (CAN controller local area network) central control unit and a method for managing and controlling the vehicle-mounted network, which relates to a central control unit (abbreviated as vehicle body computer) of a vehicle-mounted network system and its network management and system configuration and diagnosis. method. Background technique [0002] At present, there are more and more phenomena of using electronic control devices to control certain functions of automobiles, such as airbags and ABS. The work of each control device is independent, there is no system, and there is no organic connection. Isolated, without other relevant technical data at the time of failure, lack of configuration, diagnosis and management of all electronic control devices of the entire system. Contents of the invention [0003] The purpose of the present invention is to address the above shortcomings, to provide a v...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/28
Inventor 袁光辉李劲松朱艳婷袁博金浩
Owner 袁光辉
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