Relay detection system based on improved guide rail to avoid magnetic field interference

A detection system and relay technology, applied in circuit breaker testing, instrumentation, electrical measurement, etc., can solve problems such as inaccurate test results and irregular fluctuations in pull-in voltage

Pending Publication Date: 2017-05-31
NR ELECTRIC CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of automatic detection has become the first choice. Not only is the classification accurate and reliable, but it can also greatly improve the efficiency. However, during the power-on test, it was found that the use of iron guide rails affects the irregular fluctuation of the pull-in voltage, resulting in inaccurate test results.

Method used

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  • Relay detection system based on improved guide rail to avoid magnetic field interference
  • Relay detection system based on improved guide rail to avoid magnetic field interference
  • Relay detection system based on improved guide rail to avoid magnetic field interference

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0020] Such as figure 1 As shown, the present invention relates to a relay automatic testing principle frame diagram, including a computer, a relay comprehensive parameter tester, a sorting machine, an ion static eliminator, a tested relay, an inkjet printer, and a smoke purifier. Under the double action of the stepping motor and its own gravity, the relay slides to the test position through the guide rail. The sensor at the front end of the guide rail senses and outputs a signal to the computer to inform the test that it can be tested. After the test, the computer according to the test results and settings After comparing the voltage division levels, tell the inkjet printer which level to spray, and finally automatically put it into the designated material tube to receive the material; the ion static eliminator is used for daily cleaning of dust o...

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Abstract

The invention discloses a relay detection system based on an improved guide rail to avoid magnetic field interference. The relay detection system comprises a computer, a relay comprehensive parameter tester and a sorting machine which are connected sequentially, the sorting machine comprises the guide rail made of a non-ferrous material and further comprises an armature, a push clamp and an elastic piece correspondingly arranged in a to-be-detected relay; in an energized testing process, an iron core and a coil of the relay produce magnetic field attraction to attract the armature and push the push clamp, so that a contact on the elastic piece is closed, and a pull-in voltage testing result is output by the computer after being acquired by the relay comprehensive parameter tester. The guide rail made of the non-ferric material is adopted, the relay cannot produce the interference magnetic field in the energized testing process, so that the change affecting the pull-in voltage of the relay can be eliminated, and with the adoption of the detection system in the research method, test inaccuracy caused by external magnetic field interference in the efficient testing process is avoided.

Description

technical field [0001] The invention relates to a relay detection system based on an improved guide rail to avoid magnetic field interference, and belongs to the technical field of relay testing. Background technique [0002] The relay is one of the main components of power control and protection equipment. Its reliable operation is a necessary condition to ensure the accurate operation of the device. As the national standard and industry standard increase the starting voltage requirements of the equipment, the relay needs to be classified and screened according to the specified voltage range. . The use of automatic detection has become the first choice. Not only is the classification accurate and reliable, but it can also greatly improve efficiency. However, during the power-on test, it was found that the use of iron guide rails affects the irregular fluctuation of the pull-in voltage, resulting in inaccurate test results. Therefore, based on the above reasons, there is an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/327
CPCG01R31/3278
Inventor 倪正清冯慧
Owner NR ELECTRIC CO LTD
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