CN113075427A

CN113075427A - Auxiliary device special for test wiring of vacuum circuit breaker

Info

Publication number: CN113075427A
Application number: CN202110255470.2A
Authority: CN
Inventors: 雷挺宇; 邹高增; 田妮; 赵聪; 冯旭
Original assignee: Hubei Qingjiang Hydroelectric Development Co ltd
Current assignee: Hubei Qingjiang Hydroelectric Development Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-07-06

Abstract

The invention provides a special auxiliary device for testing wiring of a vacuum circuit breaker, which comprises a wiring cover plate arranged on a vacuum circuit breaker female seat and a plurality of connecting contact pins, wherein the connecting contact pins penetrate through the wiring cover plate to be connected with the vacuum circuit breaker female seat, and jacks are arranged at the upper ends of the connecting contact pins. The connecting pin is matched with the secondary terminal pin in the vacuum circuit breaker female seat. The test terminal corresponding to the vacuum circuit breaker female base is connected with the connecting pin on the female plug shell cover plate, and the function of the terminal corresponding to each jack is marked. Convenient use, plug and play, high reliability, high efficiency and low cost.

Description

Auxiliary device special for test wiring of vacuum circuit breaker

Technical Field

The invention relates to the field of wiring, in particular to a special auxiliary device for testing wiring of a vacuum circuit breaker.

Background

At present, a test clamp adopted in a vacuum circuit breaker test hooks a secondary terminal contact pin of the vacuum circuit breaker in a pressing mode through matching between a spring and a hook pin. However, the secondary terminal pins are damaged to a certain extent by the wiring method, and because the secondary terminal pins of the vacuum circuit breaker are densely distributed, wrong connection exists during wiring, and other surrounding wiring terminals are touched by mistake. The test clip hook needle is easy to deform after long-term use, so that the test clip falls off in the test process.

Disclosure of Invention

The invention mainly aims to provide a special auxiliary device for testing wiring of a vacuum circuit breaker, which solves the problems that the conventional test clamp is damaged, misconnected and mistakenly touches other secondary wiring contact pins, and the test clamp falls off in the testing process. To a problem of (a).

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a special auxiliary device of experimental wiring of vacuum circuit breaker, is equipped with the wiring apron on the female seat of vacuum circuit breaker, still is equipped with a plurality of connecting pin, and connecting pin passes the wiring apron to be connected with the female seat of vacuum circuit breaker, and the connecting pin upper end is equipped with the jack.

In the preferred scheme, be equipped with a plurality of shrink spiral shell seats on the wiring apron, connecting pin tip passes the shrink spiral shell seat, is equipped with lock nut on the shrink spiral shell seat, lock nut and shrink spiral shell seat threaded connection.

In the preferred scheme, a plurality of contraction joints are arranged on the contraction screw seat.

In the preferred scheme, the end of the conductive column of the connecting pin is provided with at least two locking pressing sheets, the end of the locking pressing sheet is provided with a convex locking raised head, and the locking raised head is used for being clamped in a hole of the secondary terminal pin.

In the preferred scheme, an annular spring pressing sheet is arranged inside the jack at the upper end of the connecting contact pin.

In the preferred scheme, be equipped with a plurality of pilot lamps on the wiring apron, the pilot lamp is established in the one side of connecting contact pin, and the contact and the shrink screw seat of pilot lamp one end are connected, and the other end is connected with secondary terminal contact pin.

In the preferred scheme, wiring apron both sides are equipped with the fixed column, and female seat both sides of vacuum circuit breaker are equipped with the locking and detain, and the locking is detained and is rotated with the female seat of vacuum circuit breaker and be connected, and the draw-in groove spin card that the locking was detained is on the fixed column.

The invention provides a special auxiliary device for test wiring of a vacuum circuit breaker. The test terminal corresponding to the vacuum circuit breaker female base is connected with the connecting pin on the female plug shell cover plate, and the function of the terminal corresponding to each jack is marked. During the experiment, the testing personnel only need insert the connection contact pin on the apron of working a telephone switchboard, then the conductive pillar through the connection contact pin is connected with the test wire, is connected with outside test wire through this device connection contact pin. Mutual insulation between the different contact pin holes of this device, and there is locking device outside, avoided wrong connecing, mistake to bump other terminals when having guaranteed that the contact is firm reliable.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a general block diagram of the present invention;

FIG. 2 is a front cross-sectional block diagram of the present invention;

FIG. 3 is a side cross-sectional structural view of the present invention;

fig. 4 is a view of the internal clamping structure of the connecting pin of the present invention;

FIG. 5 is a view of the locking tab at the end of the connecting pin of the present invention;

FIG. 6 is a view of the construction of the retractable screw base of the present invention;

in the figure: a wiring cover plate 1; a vacuum circuit breaker female base 2; a secondary terminal pin 201; an output cable 3; a connecting pin 4; a conductive pillar 401; spring hold down tab 402; a locking pressing piece 403; a locking nose 404; a lock nut 5; a contracting screw seat 6; a shrink seam 601; a fixed column 8; a locking buckle 7; and an indicator light 9.

Detailed Description

As shown in figures 1-6, the special auxiliary device for vacuum circuit breaker test wiring comprises a wiring cover plate 1 arranged on a vacuum circuit breaker female base 2 and a plurality of connecting pins 4, wherein the connecting pins 4 penetrate through the wiring cover plate 1 to be connected with the vacuum circuit breaker female base 2, and jacks are arranged at the upper ends of the connecting pins 4. The connecting pin 4 is adopted to be matched with the secondary terminal pin 201 in the female base 2 of the vacuum circuit breaker. The test terminal corresponding to the vacuum circuit breaker female base 2 is connected with the connecting pin 4 on the female plug shell cover plate, and the function of the terminal corresponding to each jack is marked. During the experiment, the tester only needs to insert connecting pin 4 into wiring apron 1, then is connected with the test wire through connecting pin 4's leading electrical pillar 401, is connected with outside test wire through this device connecting pin 4.

In the preferred scheme, be equipped with a plurality of shrink spiral shell seats 6 on the

wiring apron

1, 4 tip of connecting pin pass shrink spiral shell seat 6, are equipped with lock nut 5 on the shrink spiral shell seat 6,

lock nut

5 and 6 threaded connection of shrink spiral shell seat. The contraction screw seat 6 is provided with a plurality of contraction joints 601. As shown in fig. 6, the shrink screw base 6 is shrunk down by the shrink seam 601 to compress the conductive post 401 of the connection pin 4 by rotating the lock nut 5.

In a preferred embodiment, the end of the conductive column 401 of the connecting pin 4 is provided with at least two locking pressing sheets 403, the end of the locking pressing sheet 403 is provided with a protruding locking protrusion 404, and the locking protrusion 404 is used for being clamped in the hole of the secondary terminal pin 201. As shown in fig. 3 or 5, the locking pressing pieces 403 have elasticity, and two locking pressing pieces 403 arranged oppositely are pressed on two sides of the secondary terminal pin 201 and clamped on the hole of the secondary terminal pin 201 through the locking raised head 404, so that the two contact is more stable.

In a preferred embodiment, an annular spring pressing piece 402 is arranged inside the insertion hole at the upper end of the connecting pin 4. Spring hold down tab 402 is used to lock the attached test connection.

In the preferred scheme, be equipped with a plurality of pilot lamps 9 on the wiring apron 1, pilot lamp 9 establishes in the one side of connecting contact pin 4, and the contact and the shrink screw seat 6 of pilot lamp 9 one end are connected, and the other end is connected with secondary terminal contact pin 201. When the conductive post 401 of the connection pin 4 is inserted into the pinch screw base 6, the indicator light 9 forms a closed loop, and the indicator light 9 is turned on, indicating that the connection pin 4 and the secondary terminal pin 201 are successfully connected.

In the preferred scheme, 1 both sides of wiring apron are equipped with fixed

column

8, and 2 both sides of female seat of vacuum circuit breaker are equipped with locking and detain 7, and locking is detained 7 and is rotated with female seat of vacuum circuit breaker 2 and is connected, and the draw-in groove spin card that locking was detained 7 is on fixed column 8. The locking buckle 7 is rotatably clamped on the fixing column 8 to lock the wiring cover plate 1 and the hollow circuit breaker female seat 2.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims

1. The utility model provides a special auxiliary device of experimental wiring of vacuum circuit breaker, characterized by: be equipped with wiring apron (1) on female seat (2) of vacuum circuit breaker, still be equipped with a plurality of connecting pin (4), connecting pin (4) pass wiring apron (1) and are connected with female seat (2) of vacuum circuit breaker, and connecting pin (4) upper end is equipped with the jack.

2. The auxiliary device special for testing wiring of the vacuum circuit breaker as claimed in claim 1, wherein: the wiring cover plate (1) is provided with a plurality of contraction screw seats (6), the end parts of the connecting pins (4) penetrate through the contraction screw seats (6), the contraction screw seats (6) are provided with locking nuts (5), and the locking nuts (5) are in threaded connection with the contraction screw seats (6).

3. The auxiliary device special for testing wiring of the vacuum circuit breaker as claimed in claim 2, wherein: the contraction screw seat (6) is provided with a plurality of contraction joints (601).

4. The auxiliary device special for testing wiring of the vacuum circuit breaker as claimed in claim 1, wherein: the end of the conductive column (401) of the connecting pin (4) is provided with at least two locking pressing sheets (403), the end of the locking pressing sheet (403) is provided with a convex locking raised head (404), and the locking raised head (404) is used for being clamped on the hole of the secondary terminal pin (201).

5. The auxiliary device special for testing wiring of the vacuum circuit breaker as claimed in claim 1, wherein: an annular spring pressing sheet (402) is arranged in the jack at the upper end of the connecting pin (4).

6. The auxiliary device special for testing wiring of the vacuum circuit breaker as claimed in claim 1, wherein: be equipped with a plurality of pilot lamps (9) on wiring apron (1), establish in the one side of connecting contact pin (4) pilot lamp (9), the contact and shrink screw seat (6) of pilot lamp (9) one end are connected, and the other end is connected with secondary terminal contact pin (201).

7. The auxiliary device special for testing wiring of the vacuum circuit breaker as claimed in claim 1, wherein: wiring apron (1) both sides are equipped with fixed column (8), and female seat of vacuum circuit breaker (2) both sides are equipped with locking and detain (7), and locking is detained (7) and is rotated with female seat of vacuum circuit breaker (2) and is connected, and the draw-in groove spin card that locking was detained (7) is on fixed column (8).