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Unmanned management method and system for test equipment

A technology of test equipment and management method, which is applied in the field of test equipment online monitoring system, can solve the problems of cumbersome wiring and limited number of network interfaces, and achieve the effects of avoiding accidents, ensuring the safety of life and property, and reducing accidents and economic losses

Active Publication Date: 2011-05-11
QIMING INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention discloses an unmanned management method for test equipment, which has the advantages of fast communication speed, good real-time performance and simple wiring, solves the problems of limited number of network interfaces and cumbersome wiring, and realizes uninterrupted real-time monitoring of the operating status of test equipment. Monitoring and Fault Alerting

Method used

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  • Unmanned management method and system for test equipment

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Experimental program
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Embodiment 1

[0034] An information acquisition unit is installed on each test equipment in each laboratory, and each information acquisition unit has the same structure, mainly including sensors, microprocessor MCU, CAN module, and TCP / IP chip. The sensor in the information acquisition unit is used to collect the analog signal of the running test equipment. The microprocessor MCU obtains the analog signal collected by the sensor through the A / D interface, converts the analog signal into a digital signal, and amplifies the collected digital signal and data Processing and logical judgment whether there is a potential fault occurs, so as to give an alarm fault signal and make further analysis. The processed digital signal is converted into a differential signal through the CAN module and sent to the CAN interface, and then the differential signal is received and analyzed by the TCP / IP chip, and the differential signal is transmitted through the TCP / IP interface. The TCP / IP in each laboratory ...

Embodiment 2

[0040] according to figure 2 As shown, the sensors include: a temperature sensor, an acceleration sensor, a voltage sensor, and a current sensor are respectively installed on the experimental equipment to obtain the digital signal of the experimental equipment, and transmit it to the A / DP1 to A / DP4 pins of the microprocessor MCU. The microprocessor MCU performs data processing and analysis, and then transmits it to the CAN module through the two lines RXCAN and TXCAN; the signal receiving pin RXD and signal sending pin TXD of the CAN module are respectively connected with the CAN signal receiving pin RXCAN and CAN signal of the MCU chip. The sending pin TXCAN is connected to complete the differential signal transmission of the CAN line, and collect the real-time status information of the running test equipment;

[0041] The CANH terminal and CANL terminal of the CAN module are respectively connected to the CANH line and the CANL line of the CAN interface to complete the diffe...

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Abstract

The invention discloses an unmanned management method and system for test equipment. The system is formed by the connection of a plurality of information acquisition units with a server through a router. Each information acquisition unit comprises a sensor, a micro processing unit (MCU), a controller area network (CAN) module and a transmission control protocol (TCP) / Internet protocol (IP) chip. An acquired analog signal of test equipment is sent to the MCU by the sensor through an A / D interface, amplification, data processing and logic judgment are carried out on a digital signal, the processed digital signal is converted into a differential signal by the CAN module and sent to a CAN interface, and the differential signal is then received and analyzed by the TCP / IP chip and transmitted by a TCP / IP interface, so that the method for the uninterrupted real-time monitoring of the running state of the test equipment and failure alarm is realized. The signal of the test equipment is mainlytransmitted with the method of building a local area network through combining a CAN technology and a TCP / IP technology. The method has the advantages of high communication speed, good real-time property and simplicity for wiring, and solves the problems of limited number of network interfaces, complicated wiring and the like.

Description

technical field [0001] The invention provides an unmanned management method for test equipment, and also discloses a system for realizing the method, which belongs to the field of online monitoring systems for test equipment. Background technique [0002] At present, the current situation of daily management of test equipment in small and medium-sized laboratories follows the traditional method: testers carry out daily management and maintenance of test equipment, and only carry out maintenance when the test equipment breaks down. There is no online monitoring system for test equipment when it is running. When the test equipment is running, once a certain control unit of the test equipment has a potential failure, we cannot predict it, and the potential failure information cannot be displayed to the tester in time, which will cause some safety hazards, reduce production efficiency, shorten The service life of the test equipment. [0003] To improve the reliability and safe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418G08B21/00
Inventor 董杨边增远陈兆莹韩润哲李禄源楮贵良代海婷黄兵徐刚
Owner QIMING INFORMATION TECH
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