CN213457259U

CN213457259U - Routine test automatic testing device for low-voltage power distribution switch

Info

Publication number: CN213457259U
Application number: CN202022019690.9U
Authority: CN
Inventors: 李自怀; 戴兵; 王文琪; 魏秋累
Original assignee: Wuhan Ruihuan Electric Power Technology Co ltd
Current assignee: Wuhan Ruihuan Electric Power Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-06-15
Anticipated expiration: 2030-09-15

Abstract

The utility model relates to a low-voltage switch testing arrangement technical field just discloses a low-voltage distribution switch is routine experimental automatic testing arrangement, including line management device, return circuit resistance tester, switch dynamic characteristic tester, insulation resistance tester and test article, line management device includes the casing, casing upper portion is provided with the touch-sensitive screen, inside singlechip, main loop switch box and the test loop switch box of being provided with of casing, the casing both sides are provided with and are connected three interfaces of group, test loop output, input interface and ground connection interface with the tester. This low voltage distribution switch is experimental automatic testing arrangement routinely, set up the switch matrix through singlechip and touch-sensitive screen and carry out the break-make according to setting for the step, need not tear open the line and can all operation test steps of full-automatic completion switch, measure relevant data and record through return circuit resistance tester, switch dynamic characteristic tester and insulation resistance tester to do not need the manual work to measure.

Description

Routine test automatic testing device for low-voltage power distribution switch

Technical Field

The utility model relates to a low-voltage switch testing arrangement technical field specifically is a low-voltage distribution switch is automatic testing arrangement of routine experiment.

Background

The routine tests of the low-voltage switch mainly comprise an insulation resistance test, a loop resistance test, a mechanical characteristic test and a mechanical operation test. At present, the routine tests of the low-voltage power distribution switch of the power system are carried out on site, a plurality of operators are required to be matched with each other to complete the routine tests, and the complex operation of the test steps requires the matching of various instruments such as a switch tester, a loop resistance tester, an insulation resistance tester, a universal meter, a voltage source, a current source and the like. Because the number of single round maintenance switches is numerous, certain operation risk and difficulty exist, mainly embody the following aspects:

1. in the operation test process, a large number of wires are disconnected, and the risks of short circuit and grounding of a direct current loop and the risks of wrong wire connection exist;

2. the measurement is needed to be carried out among the terminals for many times, and for equipment with dense loop wiring, the signal measurement is extremely difficult and has great risks of mistaken touch, mistaken measurement, short circuit, grounding and the like;

3. the re-power supply is carried out on individual important loads on the switches, and the operation tests of adjacent switches have the risks of mistaken touch and electric shock;

4. the overhaul test efficiency is reduced, the labor intensity is reduced, and the quality requirement of operators is high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a low voltage distribution switch is routine experimental automatic testing arrangement possesses all operation test steps of completion switch that can be full-automatic, need not tear open line and advantages such as manual measurement, has solved the problem of proposition among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low voltage distribution switch is routine experimental automatic testing arrangement, includes circuit management device, return circuit resistance tester, switch dynamic characteristic tester, insulation resistance tester and test article, the circuit management device includes the casing, casing upper portion is provided with the touch-sensitive screen, inside singlechip, main loop switch box and the test circuit switch box of being provided with of casing, casing one side is provided with return circuit resistance tester interface, switch dynamic characteristic tester interface and insulation resistance tester interface, the casing opposite side is provided with test circuit output interface, test circuit input interface and ground connection interface.

Preferably, the casing is the open rectangle box-shaped structure in upper portion, and open size and touch-sensitive screen match, and open department sets up in the buckle that the touch-sensitive screen is connected.

Preferably, the single chip microcomputer is connected with the touch screen through an RS communication line and connected with the main loop switch box and the test loop switch box through wires.

Preferably, the loop resistance tester interface, the switch dynamic characteristic tester interface and the insulation resistance tester interface are respectively connected with the interfaces of the loop resistance tester, the switch dynamic characteristic tester and the insulation resistance tester in a one-to-one correspondence manner through leads.

Preferably, the test loop output interface, the test loop input interface and the ground interface are respectively connected with the input interface, the output interface and the ground interface of the test article in a one-to-one correspondence manner through leads.

Preferably, the switch matrixes are arranged inside the main loop switch box and the test loop switch box, and the interfaces are connected with the loop resistance tester interface, the switch dynamic characteristic tester interface, the insulation resistance tester interface, the test loop output interface and the test loop input interface in a one-to-one correspondence manner through wires.

Compared with the prior art, the utility model provides a low voltage distribution switch is routine experimental automatic testing arrangement possesses following beneficial effect:

1. this low voltage distribution switch is experimental automatic testing arrangement routinely combines the touch-sensitive screen to set up test circuit process through setting up the singlechip for switching matrix in major loop switch box and the test loop switch box carries out the break-make according to setting for the step, thereby need not the tearing open line and can all operation test steps of full-automatic completion switch.

2. This low voltage distribution switch is experimental automatic testing arrangement routinely, through setting up loop resistance tester interface, switch dynamic characteristic tester interface and insulation resistance tester interface and being connected with loop resistance tester, switch dynamic characteristic tester and insulation resistance tester's interface one-to-one through the wire respectively for can measure relevant data and record at the experimental in-process, thereby do not need the manual work to measure.

Drawings

FIG. 1 is a schematic view of the system of the present invention;

fig. 2 is a schematic left-axis side view of the circuit management device of the present invention;

fig. 3 is a schematic axial view of the circuit management device of the present invention.

Wherein: 1. a line management device; 101. a housing; 102. a touch screen; 103. a single chip microcomputer; 104. a main circuit switch box; 105. testing a loop switch box; 106. a loop resistance tester interface; 107. switching on and off a dynamic characteristic tester interface; 108. an insulation resistance tester interface; 109. a test loop output interface; 1010. a test loop input interface; 1011. a ground interface; 2. a loop resistance tester; 3. a switch dynamic characteristic tester; 4. an insulation resistance tester; 5. and (6) testing the sample.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an automatic testing device for routine tests of low-voltage distribution switches comprises a circuit management device 1, a loop resistance tester 2, a switch dynamic characteristic tester 3, an insulation resistance tester 4 and a test product 5, wherein the circuit management device 1 comprises a casing 101, a touch screen 102 is arranged on the upper portion of the casing 101, the casing 101 is of a rectangular box-shaped structure with an open upper portion, the size of the open is matched with that of the touch screen 102, the open is arranged on a buckle connected with the touch screen 102, a single chip microcomputer 103, a main loop switch box 104 and a test loop switch box 105 are arranged in the casing 101, the single chip microcomputer 103 is connected with the touch screen 102 through an RS232 communication line and is connected with the main loop switch box 104 and the test loop switch box 105 through conducting wires, a switch matrix is arranged in the main loop switch box 104 and the test loop switch box 105, and interfaces are connected with the loop resistance tester interface 106, the switch dynamic characteristic tester interface 107, the, The insulation resistance tester interface 108, the test loop output interface 109 and the test loop input interface 1010 are connected in a one-to-one correspondence manner through wires, one side of the shell 101 is provided with a loop resistance tester interface 106, a switch dynamic characteristic tester interface 107 and the insulation resistance tester interface 108, the loop resistance tester interface 106, the switch dynamic characteristic tester interface 107 and the insulation resistance tester interface 108 are respectively connected with the interfaces of the loop resistance tester 2, the switch dynamic characteristic tester 3 and the insulation resistance tester 4 in a one-to-one correspondence manner through wires, the other side of the shell 101 is provided with a test loop output interface 109, a test loop input interface 1010 and a ground interface 1011, and the test loop output interface 109, the test loop input interface 1010 and the ground interface 1011 are respectively connected with the input interface, the output interface and the ground interface of the test product 5 in a one-to-one correspondence manner through wires.

When in use, the automatic testing device for routine tests of the low-voltage distribution switch is characterized in that an input interface, an output interface and a ground interface of a test product 5 are respectively connected with a test loop output interface 109, a test loop input interface 1010 and a ground interface 1011 in a one-to-one correspondence manner through conducting wires, a loop resistance tester 2, a switch dynamic characteristic tester 3 and an insulation resistance tester 4 are respectively connected with a loop resistance tester interface 106, a switch dynamic characteristic tester interface 107 and an insulation resistance tester interface 108 on one side of a line management device 1 in a one-to-one correspondence manner through conducting wires, a testing circuit process is set through the combination of the singlechip 103 and the touch screen 102, so that switch matrixes in a main loop switch box 104 and a test loop switch box 105 are switched on and off according to set steps, and measurement is carried out in the testing process through the loop resistance tester 2, the switch dynamic characteristic tester 3 and the insulation resistance tester 4, and records the relevant data.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low voltage distribution switch is experimental automatic testing arrangement routinely, includes line management device (1), return circuit resistance tester (2), switch dynamic characteristic tester (3), insulation resistance tester (4) and test article (5), its characterized in that: the line management device (1) comprises a shell (101), wherein a touch screen (102) is arranged on the upper portion of the shell (101), a single chip microcomputer (103), a main loop switch box (104) and a test loop switch box (105) are arranged inside the shell (101), a loop resistance tester interface (106), a switch dynamic characteristic tester interface (107) and an insulation resistance tester interface (108) are arranged on one side of the shell (101), and a test loop output interface (109), a test loop input interface (1010) and a grounding interface (1011) are arranged on the other side of the shell (101).

2. The automatic test device for routine tests of the low-voltage distribution switch, according to claim 1, is characterized in that: casing (101) are the open rectangle box-shaped structure in upper portion, and open size matches with touch-sensitive screen (102), and open department sets up in the buckle that touch-sensitive screen (102) are connected.

3. The automatic test device for routine tests of the low-voltage distribution switch, according to claim 1, is characterized in that: the single chip microcomputer (103) is connected with the touch screen (102) through an RS232 communication line and is connected with the main loop switch box (104) and the test loop switch box (105) through a lead.

4. The automatic test device for routine tests of the low-voltage distribution switch, according to claim 1, is characterized in that: the loop resistance tester interface (106), the switch dynamic characteristic tester interface (107) and the insulation resistance tester interface (108) are respectively connected with the interfaces of the loop resistance tester (2), the switch dynamic characteristic tester (3) and the insulation resistance tester (4) in a one-to-one correspondence mode through conducting wires.

5. The automatic test device for routine tests of the low-voltage distribution switch, according to claim 1, is characterized in that: the test loop output interface (109), the test loop input interface (1010) and the grounding interface (1011) are respectively connected with the input interface, the output interface and the grounding interface of the test product (5) in a one-to-one corresponding mode through conducting wires.

6. The automatic test device for routine tests of the low-voltage distribution switch, according to claim 1, is characterized in that: switch matrixes are arranged in the main loop switch box (104) and the test loop switch box (105), and the interfaces are connected with the loop resistance tester interface (106), the switch dynamic characteristic tester interface (107), the insulation resistance tester interface (108), the test loop output interface (109) and the test loop input interface (1010) through wires in a one-to-one correspondence mode.