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Intermediate relay integration test system

An intermediate relay, integrated testing technology, applied in circuit breaker testing, instruments, measuring electricity, etc., can solve the problems of single environmental testing data, performance testing, and inability to verify the scope of use, to simplify the testing process and improve testing efficiency. Effect

Pending Publication Date: 2020-08-11
RENERGY ELECTRIC TIANJIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1) Different test fixtures need to be built, and the test is more cumbersome:
[0005] The control part of the intermediate relay has a 24V DC power supply coil and a 230V AC power supply coil. Different test circuits need to be built, and the test is more cumbersome.
[0006] 2) The environmental test data is relatively single, and its performance cannot be fully verified
[0007] In ordinary tests, its control logic test is only carried out at room temperature, and relevant performance tests are not carried out under high and low temperature conditions, so its application range cannot be verified
[0008] 3) The efficiency of inspection and testing is low, and the test data is not easy to record and view
[0009] Ordinary methods can only test one intermediate relay at a time, the test efficiency is low, and manual detection and recording of experimental data is required, which is not convenient for data viewing and statistics

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] An embodiment of the present invention provides an integrated test system for intermediate relays, including:

[0034] a master switch, individual switches, a controller, a first AC-DC converter, a second AC-DC converter and a controller;

[0035] The independent switches include a first independent switch, a second independent switch and a third independent switch;

[0036] The main switch is connected to an external power supply, and when the main switch is closed, the intermediate relay integrated test system works;

[0037] The output ports of the controller are respectively connected to one end of the first independent switch, one end of the second independent switch and one end of the third independent switch;

[0038] The other end of the second independent switch is connected to the input end of the first AC-DC converter, and the other end of the third independent switch is connected to the input end of the second AC-DC converter;

[0039] The output end of th...

Embodiment 2

[0045] Embodiment 2 of the present invention explains the working mode of Embodiment 1 of the present invention. Specifically, when the main switch in the system is closed, the integrated test system of the intermediate relay is energized to work, and when it is necessary to detect the AC relay under test , the controller triggers the first independent switch to close, the other end of the first independent switch outputs 230VAC, the coil of the AC relay is energized, the auxiliary contact of the AC relay acts, and the control The controller obtains the action state of the auxiliary contact of the AC relay to realize the detection, and uploads the detection result to the controller;

[0046] It should be noted that, if figure 2 As shown, 11, 12, 13, 14 are auxiliary contacts;

[0047] When it is necessary to detect the AC relay under test, the controller triggers the closing of the second independent switch, the other end of the second independent switch outputs 24VDC, the c...

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Abstract

The invention provides an intermediate relay integration test system, and relates to the technical field of relay detection. The system comprises a main switch, an independent switch, a controller, afirst alternating current-direct current converter, a second alternating current-direct current converter and a controller. The independent switches comprise the first independent switch, the second independent switch and the third independent switch. The controller is connected with one end of the first independent switch, one end of the second independent switch and one end of the third independent switch. The other end of the second independent switch is connected with the input end of the first AC-DC converter, and the other end of the third independent switch is connected with the input end of the second AC-DC converter. The output end of the first AC-DC converter is connected with a coil of the tested DC relay. The output end of the second AC-DC converter is connected with the controlled device. The other end of the first independent switch is connected with the coil of the tested direct-current relay. The detection efficiency of the intermediate relay in the prior art can be improved, and the detection process is simplified.

Description

technical field [0001] The invention relates to the technical field of relay protection, in particular to an integrated test system for intermediate relays. Background technique [0002] The intermediate relay is mainly used in the control circuit part. In the ordinary inspection and testing method, it is necessary to build different tooling for different products, and there are problems such as cumbersome testing and low testing efficiency. [0003] Common inspection and test methods are inefficient for the following reasons: [0004] 1) Different test fixtures need to be built, and the test is more cumbersome: [0005] The control part of the intermediate relay has a 24V DC power supply coil and a 230V AC power supply coil. Different test circuits need to be built, and the test is more cumbersome. [0006] 2) The environmental test data is relatively single, and its performance cannot be fully verified [0007] In ordinary tests, its control logic test is only carried o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/327
CPCG01R31/3278
Inventor 夏越超杜云涛张臣
Owner RENERGY ELECTRIC TIANJIN
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