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Cold-storage container micro controller fault diagnosing system

A fault diagnosis system, a technology for refrigerated containers, applied in general control systems, control/regulation systems, program control, etc., to achieve the effect of improving maintenance capabilities and efficiency

Inactive Publication Date: 2009-08-26
鑫三利集装箱服务有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

Practice has proved that it is difficult to diagnose circuit board faults and give faulty areas or faulty components only by manual use of simple instruments and equipment in the prior art

Method used

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  • Cold-storage container micro controller fault diagnosing system
  • Cold-storage container micro controller fault diagnosing system
  • Cold-storage container micro controller fault diagnosing system

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Embodiment Construction

[0019] The present invention mainly adopts the following technical methods in the specific implementation process:

[0020] combine figure 1 , the function of the microcontroller in the system is to receive the state signal of the controlled object (cold box temperature, etc.) through the sensor, and then control the refrigeration equipment such as the compressor according to the predetermined program to ensure that the state of the cold box meets the control requirements.

[0021] combine figure 2 , in order to test a faulty microcontroller that was dismantled from the refrigerated container on site and returned to the laboratory, it is necessary to provide a simulated operating environment for the microcontroller. The figure shows how to provide The simulated flexible and convenient operating environment of various working conditions of the cold box realizes the test of the performance and failure phenomenon of the microcontroller. Subsequently, the database in the fault ...

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Abstract

The invention discloses a micro-controller fault diagnosis system for refrigerated containers, which includes a computer. The above-mentioned computer is equipped with a PLC as an input / output interface, and is connected with a CPU board and an I / O interface board in the tested micro-controller through the PLC; Establish a refrigerated container software model and an expert analysis and judgment system, simulate various operating conditions of refrigerated containers, automatically conduct a comprehensive test on the operating status and fault nature of the microcontroller, and provide the test data to the expert system for specific analysis and judgment, and automatically generate Test results and written repair reports for microcontroller circuits. The present invention automates and softwareizes the current cumbersome manual testing and extremely high requirements for the professional intelligence and experience of maintenance experts, thereby greatly improving the maintenance ability and efficiency of maintenance personnel.

Description

technical field [0001] The invention relates to a refrigerated container microcontroller, in particular to a refrigerated container microcontroller fault diagnosis system. Background technique [0002] In recent years, the container transportation industry, as the core industry of modern logistics, is developing rapidly with each passing day. Among them, refrigerated container storage and transportation is a kind of high-profit and high-risk container storage and transportation. It needs reliable support of high technology in order to effectively avoid high risks and obtain high profits. The core of the control system of the refrigerated container adopts advanced microcomputer controller (microcontroller for short) technology to ensure the best storage and transportation conditions for storing and transporting (valuable) goods in the refrigerated container. This kind of microcontroller has good performance, but it is difficult to maintain the circuit board (such as CPU boar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/048
Inventor 耿贤春薛福玉姜维尧吴庚申庞瑞庆刘娟
Owner 鑫三利集装箱服务有限公司
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