Device and method for detecting external on-site switch-on and switch-off controller of switch

Abstract

The invention belongs to the technical field of electricity, and particularly relates to a device and a method for detecting an external on-site opening and closing controller of a switch. The devicecomprises an interface module, an insulation / function conversion module, an insulation test module and a function test module; the interface module adopts an aviation plug to connect an opening and closing controller loop to the interface module; the opening and closing controller loop is connected to the insulation / function conversion module through the interface module, and the insulation / function conversion module connects the loop to the insulation test module or the function test module. And after the change-over switch is rotated to stop, testing is carried out through the insulation test module and the insulation / function test conversion module according to test items, and faults of an opening loop of the opening and closing controller are judged by judging the condition of the lamp. According to the method and the device, the detection of the controller becomes simple and feasible from complicated, the problem that the plug of the controller is not easy to connect with the wiring terminal of the megohmmeter when the insulation resistance is measured is solved, and a large amount of test time is saved.

Description

technical field [0001] The invention belongs to the field of electrical technology, and in particular relates to a detection device and method for an external on-site opening and closing controller of a switch. Background technique [0002] There are two types of on-site opening and closing of the switch, one is designed on the switch body, and the other is designed to require an external opening and closing controller. For the latter, it is equivalent to introducing an external loop in the system. If the opening and closing controller used has insulation defects or functional defects, it will lead to false opening and closing of the switch, resulting in false power transmission or power failure of downstream loads, which will bring greater risks to equipment and people. For the detection of external on-site opening and closing controllers, there is no relevant special detection device at present, and it needs to be tested separately by megohmmeter and multimeter. The exist...

AI Technical Summary

Problems solved by technology

[0003] 1. During the insulation test, because the pins of the plug are recessed into the shell, it is impossible to measure. The terminal of the megohmmeter cannot fully contact the pins. It is necessary to use conductive materials (such as lead wire, tin foil, etc.) to realize the insulation test. At least two people are required to cooperate, which is a waste of time, and the conductive material and the terminal of the megohmmeter cannot be fixed, and they are easy to fall off. During the measurement, it is easy to cause the positive and negative short circuit of the megohmmeter, and it is easy to cause personal electric shock;

[0004] 2. The functional test requires the cooperation of at least three people. With the help of a multimeter to measure the correctness of the opening and closing functions, there are problems such as easy measurement errors, inaccurate measurements, and time-consuming.

Images