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Control system of trailer lamp

A car light control and trailer technology, which is applied in the direction of vehicle components, light circuit layout, circuit or fluid pipeline, etc., can solve the problems of troublesome maintenance, complicated wiring, and increased cost, so as to improve safety, improve reliability, The effect of convenient upgrade

Active Publication Date: 2011-06-22
XIAN KING TRUCK ELECTRON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, with the traditional relay and fuse control method, all light wires must be routed from the switch control to the light. In this way, once the number of lights increases, the wiring will be complicated and maintenance will be quite troublesome.
At the same time the cost increases

Method used

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  • Control system of trailer lamp
  • Control system of trailer lamp
  • Control system of trailer lamp

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0071] The trailer lamp control system of the present invention adopts an intelligent power chip to drive the lamp, and adopts a LIN bus to establish a communication network. The LIN protocol is a master-multiple-slave structure. Communication can only be initiated by the master task in the master node. The transmission of a complete LIN message frame is realized by the master task and the slave task. The master task sends the "header", and the slave task Send or receive a "response". In order to ensure the stability of the system, there can be up to 16 nodes including the main node in the LIN architecture, but only two nodes are used in this system, which means that the system will have great scalability. The master task is located in the master node and is responsible for message scheduling and header sending. The slave task is located in the slave node and the master node and is responsible for sending and receiving responses. The header and the response together make up t...

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Abstract

The invention relates to a control system of a trailer lamp, which improves the reliability of a trailer system and brings great convenience to the maintenance of vehicles. The control system comprises a main control module and a slave control module which are connected through a power line and a communication line, wherein the main control module comprises a singlechip processing circuit which is respectively connected with a switch signal detection circuit, a power circuit and a communication circuit; the slave control module comprises a singlechip processing circuit which is respectively connected with a lamp driving circuit and the power circuit; the power circuit is connected with the communication circuit; and the lamp driving circuit is connected with the trailer lamp.

Description

1. Technical field: [0001] The invention relates to an automobile control system, in particular to a trailer light control system. 2. Background technology: [0002] With the development of automotive electronic technology, the electronic control methods in modern vehicles are becoming more and more advanced, and are developing in the direction of strong power, high reliability, safety, green environmental protection and comfort. More and more electronic control units are applied to the car. The application of electronic control units in automobiles is increasing, and the data communication between various electronic devices is becoming more and more. At the same time, the extensive use of these separate modules not only improves the comfort of vehicles, but also brings about cost increases and failures. Rate rise, wiring complexity and other issues. As well as the safety and comfort issues that people are paying more and more attention to, they have put forward higher req...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60Q1/30B60R16/023B60R16/03H05B37/02
Inventor 韩琳杨乐周雄李玄
Owner XIAN KING TRUCK ELECTRON
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