CN216670205U

CN216670205U - Automatic change detection isolator insulation resistance and low resistance device

Info

Publication number: CN216670205U
Application number: CN202123417345.1U
Authority: CN
Inventors: 刘永科; 席晓; 段葵; 韦祖品; 莫林红; 任崇阳
Original assignee: Xi'an Yueheng Electromechanical Engineering Co ltd; Jiangnan Industries Group Co Ltd
Current assignee: Xi'an Yueheng Electromechanical Engineering Co ltd; Jiangnan Industries Group Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-03
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of isolating switch resistance detection, in particular to a device for automatically detecting the insulating resistance and the low resistance of an isolating switch, aiming at the problems that the existing detection device is not provided with a fixed tool, the detection result is influenced, and the storage of detection data cannot be realized, the utility model provides a scheme which comprises a display, an engineering machine and a 12V power supply, wherein the display is respectively and electrically connected with the engineering machine and the 12V power supply, the engineering machine is electrically connected with the 12V power supply, and the engineering machine is respectively and electrically connected with an insulating resistance tester, a high-voltage-resistant relay module, a channel expansion module and a fire work tester, the working efficiency and reliability can be improved.

Description

Automatic change detection isolator insulation resistance and low resistance device

Technical Field

The utility model relates to the technical field of isolating switch resistance detection, in particular to a device for automatically detecting an isolating switch insulation resistance and a low resistance.

Background

As shown in figure 1, during the detection of the isolating switch, 1-2, 2-3 short-circuit resistors and 5-14 plugs are detected, wherein the resistors are insulated from each other. There are more than 100 combinations for detecting a set of isolating switch resistance. The process makes corresponding requirements on electrical performance when the isolating switch is detected;

there is not fixed frock of product in the current detection process of separating the switch, and inspection personnel self-control frock is simply fixed to it, adopts pick-up plate, low resistance tester, universal meter etc. to detect. There are two problems: on one hand, the product detection has no fixed tool, and the detection result and the detection process are greatly influenced by human factors; on the other hand, the working efficiency is low, and the storage of detection data is not facilitated, so an automatic detection isolation switch insulation resistance and low resistance device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that a fixed tool is not arranged on the existing detection device, the detection result is influenced, and the storage of detection data cannot be realized in the prior art, and provides a device for automatically detecting the insulation resistance and the low resistance of an isolating switch.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automatic insulation resistance and low resistance detection device for an isolating switch comprises a display, an engineering machine and a 12V power supply, wherein the display is respectively and electrically connected with the engineering machine and the 12V power supply, the engineering machine is electrically connected with a 12V power supply, the engineering machine is respectively and electrically connected with an insulation resistance tester, a high-voltage resistant relay module, a channel expansion module and an initiating explosive device tester, the insulation resistance tester is electrically connected with the high-voltage resistant relay module, the channel expansion module is electrically connected with the initiating explosive device tester, the channel expansion module and the initiating explosive device tester are both electrically connected with a 12V power supply, the high-voltage-resistant relay module is electrically connected with the display and the 12V power supply respectively, the high-voltage-resistant relay module and the channel expansion module are electrically connected with the same detection tool, and the detection tool is electrically connected with an isolating switch.

Preferably, an RS232 port on the initiating explosive device tester is electrically connected with a COM1 port on the engineering machine, an RS232 port on the channel expansion module is electrically connected with a COM2 port on the engineering machine, and the channel expansion module is electrically connected with a No. 1 plug, a No. 2 plug, a No. 3 plug and a No. 4 plug of the isolating switch respectively, so that the engineering machine can send a working instruction to the initiating explosive device tester, and the isolating switch can be subjected to low resistance testing.

Preferably, an RS232 port on the insulation resistance tester is electrically connected with a COM3 port on the engineering machine, an RS232 port on the high-voltage-resistant relay module is electrically connected with a COM4 port on the engineering machine, and the high-voltage-resistant relay module is electrically connected with a No. 5 plug, a No. 6 plug, a No. 7 plug, a No. 8 plug, a No. 9 plug, a No. 10 plug, a No. 11 plug, a No. 12 plug, a No. 13 plug and a No. 14 plug on the isolating switch, so that the engineering machine can send a working instruction to the high-voltage-resistant relay, and the isolating switch can be subjected to insulation resistance testing.

Has the advantages that:

1. according to the utility model, the short-circuit resistance, the open-circuit resistance and the insulation resistance of the isolating switch can be automatically detected;

2. in the utility model, the isolating switch fixes the tool interface, can be compatible with the detection isolating switch, and realizes the functions of automatic detection of the electrical performance of the isolating switch, automatic interpretation of data, automatic storage and query of data, alarm prompt of abnormal data and the like. The detection efficiency is effectively improved, and meanwhile, the detection man-machine isolation is realized to provide the reliability and the safety of the detection data.

According to the utility model, the isolating switch can be accurately positioned and fixed by arranging the fixing tool, so that the isolating switch can be accurately detected, and the detection data can be stored, so that the working efficiency and the reliability can be improved when the isolating switch is detected.

Drawings

FIG. 1 is a block diagram of a disconnector for automated detection of insulation resistance and low resistance devices of the disconnector;

FIG. 2 is a block diagram of a structure for automatically detecting the insulation resistance and the low resistance of the disconnecting switch according to the present invention;

FIG. 3 is a schematic diagram of the structural operation of an apparatus for automatically detecting the insulation resistance and the low resistance of the disconnector according to the present invention;

fig. 4 is a block diagram of an apparatus for automatically detecting insulation resistance and low resistance of a disconnector according to the present invention.

In the figure: the device comprises a display 1, an industrial personal computer 2, a 312V power supply, an insulation resistance tester 4, a high-voltage-resistant relay module 5, a channel expansion module 6, an initiating explosive device tester 7, a detection tool 8 and a disconnecting switch 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 2-4, an automatic insulation resistance and low resistance detection device for an isolating switch comprises a display 1, an engineering machine 2 and a 12V power supply 3, wherein the display 1 is respectively electrically connected with the engineering machine 2 and the 12V power supply 3, the engineering machine 2 is electrically connected with the 12V power supply 3, the engineering machine 2 is respectively electrically connected with an insulation resistance tester 4, a high voltage resistant relay module 5, a channel expansion module 6 and a fire work tester 7, the insulation resistance tester 4 is electrically connected with the high voltage resistant relay module 5, the channel expansion module 6 is electrically connected with the fire work tester 7, the channel expansion module 6 and the fire work tester 7 are both electrically connected with the 12V power supply 3, the high voltage resistant relay module 5 is respectively electrically connected with the display 1 and the 12V power supply 3, the high voltage resistant relay module 5 and the channel expansion module 6 are electrically connected with a same detection tool 8, and the detection tool 8 is electrically connected with an isolating switch 9.

According to the utility model, the disconnecting switch 9 can be accurately positioned and fixed by arranging the fixing tool, so that the disconnecting switch 9 can be accurately detected, and the detection data can be stored, so that the working efficiency and the reliability can be improved when the disconnecting switch 9 is detected.

In the utility model, the RS232 port on the initiating explosive device tester 7 is electrically connected with the COM1 port on the engineering machine 2, the RS232 port on the channel expansion module 6 is electrically connected with the COM2 port on the engineering machine 2, and the channel expansion module 6 is respectively electrically connected with the No. 1 plug, the No. 2 plug, the No. 3 plug and the No. 4 plug of the isolating switch 9, so that the engineering machine 2 can send a working instruction to the initiating explosive device tester 7, and the isolating switch 9 can be subjected to low resistance testing.

In the utility model, the RS232 port on the insulation resistance tester 4 is electrically connected with the COM3 port on the engineering machine 2, the RS232 port on the high-voltage-resistant relay module 5 is electrically connected with the COM4 port on the engineering machine 2, and the high-voltage-resistant relay module 5 is respectively electrically connected with the No. 5 plug, the No. 6 plug, the No. 7 plug, the No. 8 plug, the No. 9 plug, the No. 10 plug, the No. 11 plug, the No. 12 plug, the No. 13 plug and the No. 14 plug on the isolating switch 9, so that the engineering machine 2 can send a working instruction to the high-voltage-resistant relay module 5, and the isolating switch 9 can be subjected to insulation resistance testing.

The working principle is as follows:

the device for automatically detecting the insulation resistance and the low resistance of the isolating switch comprises an industrial personal computer 2, a display 1, an initiating explosive device tester 7, a channel expansion module 6, an insulation resistance tester 4, a high-voltage-resistant relay module 5, a 12V power supply 3, a detection tool 8 and the like, wherein each component system adopts a mature general product, and the high reliability and the maintainability of the tester are ensured through the integration of each system, the portable industrial personal computer case integrates all parts into a whole, the industrial personal computer 2 is used as an upper computer, a detection control instruction is sent to the initiating explosive device tester 7 and the insulation resistance tester 4 when detecting the isolating switch 9 so as to realize the automatic detection of the isolating switch 9, the display 1 is used as a display interface to facilitate the operation of the industrial personal computer 2 when the industrial personal computer tests, and the initiating explosive device tester 7 and the channel expansion module 6 are core components for low resistance detection, the insulation resistance tester 4 and the high-voltage-resistant relay module 5 are core components for insulation resistance detection, the 12V power supply mainly provides a 12V direct-current power supply for the system, and the detection tool is convenient for isolating switch detection;

1. low resistance operating principle: when the low resistance test is carried out, the industrial personal computer 2 sends a detection instruction to the channel expansion module 6 through the COM2 port, the circuit of an expansion module of a tested resistance end is closed, at the moment, the industrial personal computer 2 sends a detection instruction to the initiating explosive device tester 7 through the COM1 port, the initiating explosive device tester 7 starts to detect the tested resistance value, the tested resistance value is transmitted back to the industrial personal computer 2 after the test is finished, and the industrial personal computer 2 stores the resistance value through the database so as to be convenient for query;

2. the working principle of the insulation resistor is as follows: when the insulation resistance test is carried out, the industrial personal computer 2 sends a detection instruction to the high-voltage-resistant relay module 5 through the COM4 port to close the circuit end of the high-voltage-resistant relay module at the tested resistance end, at the moment, the industrial personal computer 2 sends a detection instruction to the insulation resistance tester 4 through the COM3 port, the insulation resistance tester 4 starts to detect the tested resistance value, the tested resistance value is transmitted back to the industrial personal computer 2 after the test is finished, and the industrial personal computer 2 stores the resistance value through the database so as to be convenient for query;

the isolating switch detection device has two test modes, namely a low-resistance detection mode and an insulation resistance detection mode, and can carry out selective detection according to different requirements.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An automatic insulation resistance and low resistance detection device for an isolating switch comprises a display (1), an engineering machine (2) and a 12V power supply (3), and is characterized in that the display (1) is electrically connected with the engineering machine (2) and the 12V power supply (3) respectively, the engineering machine (2) is electrically connected with the 12V power supply (3), the engineering machine (2) is electrically connected with an insulation resistance tester (4), a high-voltage-resistant relay module (5), a channel expansion module (6) and a fire work tester (7) respectively, the insulation resistance tester (4) is electrically connected with the high-voltage-resistant relay module (5), the channel expansion module (6) is electrically connected with the fire work tester (7), the channel expansion module (6) and the fire work tester (7) are both electrically connected with the 12V power supply (3), and the high-voltage-resistant relay module (5) is electrically connected with the display (1) and the 12V power supply (3) respectively, the high-voltage-resistant relay module (5) and the channel expansion module (6) are electrically connected with the same detection tool (8), and the detection tool (8) is electrically connected with the isolating switch (9).

2. The device for automatically detecting the insulation resistance and the low resistance of the disconnecting switch according to claim 1, wherein an RS232 port on the initiating explosive device tester (7) is electrically connected with a COM1 port on an engineering machine (2), an RS232 port on the channel expansion module (6) is electrically connected with a COM2 port on the engineering machine (2), and the channel expansion module (6) is electrically connected with a plug No. 1, a plug No. 2, a plug No. 3 and a plug No. 4 of the disconnecting switch (9), respectively.

3. The device for automatically detecting the insulation resistance and the low resistance of the disconnecting switch according to claim 1, wherein an RS232 port on the insulation resistance tester (4) is electrically connected with a COM3 port on an engineering machine (2), an RS232 port on the high-voltage-resistant relay module (5) is electrically connected with a COM4 port on the engineering machine (2), and the high-voltage-resistant relay module (5) is electrically connected with a No. 5 plug, a No. 6 plug, a No. 7 plug, a No. 8 plug, a No. 9 plug, a No. 10 plug, a No. 11 plug, a No. 12 plug, a No. 13 plug and a No. 14 plug on the disconnecting switch (9), respectively.