CN104020326A - Switching device for testing mechanical characteristics of switch - Google Patents

Abstract

The invention discloses a switching device for testing mechanical characteristics of a switch. The switching device comprises an upper housing, a lower housing, and a switching circuit arranged inside the housing, wherein the upper housing and the lower housing are connected through a hinge; the switching circuit arranged inside the housing comprises an input test signal switching circuit, a switching-in test switching circuit, two paths of opening test switching circuits and an energy storage motor power switching circuit; the input test signal switching circuit is formed by a closing signal input jack H, an opening signal input jack F and a common port jack G1; the closing test switching circuit is formed by three jacks A, B and C and a common port jack G2; the two paths of opening test switching circuits are same in structure. The switching device is reliable, safe and quick to connect, and the problem of a potential safety hazard which can be caused by the traditional connection mode is effectively solved.

Description

A kind of Test Switchboard mechanical property switching device used

Technical field

The present invention relates to a kind of Test Switchboard mechanical property switching device used, be particularly useful for the electric switch testing of mesohigh.

Background technology

When high-voltage electrical apparatus switch is carried out to mechanical characteristic test, tradition connecting line mode adopts crocodile clip wiring more, the hidden danger of this kind of connected mode and not enough as follows: the unreal easy initiation loose contact of (1) clamping connection, there will be surveyed data to be forbidden or the obstructed phenomenon that does not go out data in loop, cause and cannot carry out proper testing, extended the test duration, work efficiency is reduced.(2) how the outlet of leading to mechanism side in switching mechanism bin is at terminal row upside, its joint direction is downward, because joint end is all installed with " wire size mark " so after this joint is removed, so due to downward " wire size mark " of the joint end loss that easily comes off of direction, there is this kind of phenomenon and easily cause: false wiring during reconnection; During secondary circuit investigation fault, cause difficulty, extend the investigation time; After " wire size mark " lost, if scene can not be mended label in time, from the beginning this root cable will, without clearly identifying, will look into confirm the closure of this root line during the line inspection.(3) what crocodile accompanied is not complete insulation system, when clamping connection is tested, easily occur to cause that with other terminal short circuit " blowing out " is the potential safety hazard of short circuit, especially the switch mechanism box that bus is 220kV is phase-splitting design, because three-phase is done mechanical characteristic test simultaneously, need the clip of clamping connection more, so more easily cause short circuit accident; (4) when the test bus switch mechanism box that is 220kV, because switch phase-splitting is arranged, so when dividing, closing a floodgate at Test Switchboard the frequent reverse graft line of needs also can occur to bring because clamping connection is unreal during also cannot proper testing, work efficiency is reduced greatly.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of Test Switchboard mechanical property switching device used.

For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:

The switching device that Test Switchboard mechanical property is used, it comprises lower casing and is arranged on the built-up circuit of enclosure; Described upper lower casing is connected through the hinge; The described built-up circuit that is arranged on enclosure comprises input test signal built-up circuit, combined floodgate test adaptor circuit, two-way separating brake test adaptor circuit and energy storage motor power supply transfer circuit;

Described input test signal built-up circuit is comprised of switching signal input jack H, sub-gate signal input jack F and common port jack G1; Described combined floodgate test adaptor circuit is comprised of three jack A, B, C and a common port jack G2; Described jack A, B, C all connect described switching signal input jack H;

Described two-way separating brake test adaptor circuit structure is identical, and wherein a road separating brake test adaptor electric routing switch S1, three jack A1, B1, C1 and common port jack G3 form; Described three jack A1, B1, C1 all meet described sub-gate signal input jack F by switch S 1; Described another road separating brake test adaptor electric routing switch S2, three jack A2, B2, C2 and common port jack G4 form; Above common port jack is all connected;

Described energy storage motor power supply transfer circuit goes out line jack C1-C2 by linked switch S3, both positive and negative polarity inlet wire jack J1-J2 and both positive and negative polarity; Described positive and negative electrode inlet wire jack J1, J2 all connect positive and negative electrode through switch S 3 and go out line jack C1, C2.

The beneficial effect that adopts technique scheme to produce is:

Adopt the disposable wiring of the present invention, then utilize the break-make of switch to switch divide-shut brake loop, need not change back and forth clip, originally a people tests another people and will switch specially clip, by the present invention one people, can disposablely complete wiring, only need be on demand during test by the switch connection in device or disconnect all right, saved 50% manpower, effectively shortened the test duration, greatly improved testing efficiency, adopt wiring of the present invention reliably, safely, fast, efficiently solve the security hidden trouble that may cause under the former mode of connection.

Accompanying drawing explanation

Fig. 1 is the built-up circuit figure that the present invention is arranged on enclosure.

Embodiment

Referring to accompanying drawing 1, a kind of Test Switchboard mechanical property of the present invention switching device used, is characterized in that: it comprises lower casing and is arranged on the built-up circuit of enclosure; Upper lower casing is connected through the hinge; The built-up circuit that is arranged on enclosure comprises input test signal built-up circuit, combined floodgate test adaptor circuit, two-way separating brake test adaptor circuit and energy storage motor power supply transfer circuit; Input test signal built-up circuit is comprised of switching signal input jack H, sub-gate signal input jack F and common port jack G1; Combined floodgate test adaptor circuit is comprised of three jack A, B, C and a common port jack G2; Jack A, B, C all connect switching signal input jack H; Two-way separating brake test adaptor circuit structure is identical, and wherein a road separating brake test adaptor electric routing switch S1, three jack A1, B1, C1 and common port jack G3 form; Three jack A1, B1, C1 all meet sub-gate signal input jack F by switch S 1; Another road separating brake test adaptor electric routing switch S2, three jack A2, B2, C2 and common port jack G4 form; Above common port jack is all connected; Energy storage motor power supply transfer circuit goes out line jack C1-C2 by linked switch S3, both positive and negative polarity inlet wire jack J1-J2 and both positive and negative polarity; Positive and negative electrode inlet wire jack J1, J2 all connect positive and negative electrode through switch S 3 and go out line jack C1, C2.

Referring to accompanying drawing 1, the course of work of the present invention is:

In switch testing switch mechanism box to be measured to be measured, there are two groups of switching windings to be measured and one group of closing coil to be measured, two-way separating brake test adaptor circuit He Yi road combined floodgate test adaptor circuit is set in the present embodiment, while doing switch testing test, switch testing characteristic instrument (existing equipment) sends switching signal or sub-gate signal (sending the pulse power), then through the present embodiment, terminal row, passes in switching mechanism and make divide-shut brake coil motion to drive switch motion to complete corresponding testing mechanical characteristic successively.

The energy storage motor that this device also possesses for the energy storage of high-voltage electrical apparatus switch mechanism box directly provides external power supply, in the past in test, when energy storage motor power supply needs additional temporary source, the mode of adopt " artificial clamping connection " more, the fault that is easily short-circuited or accident of human electric shock, by this switching device, also can complete disposable wiring, after having connect line, switch on again, while needing energy storage by the energy storage motor power supply transfer circuit of the present embodiment the linked switch S3 closing in device, while not needing, disconnect linked switch S3, both reduced the middle wiring link that repeats of test, can stop potential safety hazard again.

Claims (1)

1. a Test Switchboard mechanical property switching device used, is characterized in that: it comprises lower casing and is arranged on the built-up circuit of enclosure; Described upper lower casing is connected through the hinge; The described built-up circuit that is arranged on enclosure comprises input test signal built-up circuit, combined floodgate test adaptor circuit, two-way separating brake test adaptor circuit and energy storage motor power supply transfer circuit;

Described input test signal built-up circuit is comprised of switching signal input jack H, sub-gate signal input jack F and common port jack G1; Described combined floodgate test adaptor circuit is comprised of three jack A, B, C and a common port jack G2; Described jack A, B, C all connect described switching signal input jack H;

Described two-way separating brake test adaptor circuit structure is identical, and wherein a road separating brake test adaptor electric routing switch S1, three jack A1, B1, C1 and common port jack G3 form; Described three jack A1, B1, C1 all meet described sub-gate signal input jack F by switch S 1; Described another road separating brake test adaptor electric routing switch S2, three jack A2, B2, C2 and common port jack G4 form; Above common port jack is all connected;

Described energy storage motor power supply transfer circuit goes out line jack C1-C2 by linked switch S3, both positive and negative polarity inlet wire jack J1-J2 and both positive and negative polarity; Described positive and negative electrode inlet wire jack J1, J2 all connect positive and negative electrode through switch S 3 and go out line jack C1, C2.