CN114184944A

CN114184944A - Safety detection device for drawer switch connector of 0.4kV distribution board

Info

Publication number: CN114184944A
Application number: CN202111355078.1A
Authority: CN
Inventors: 王丁一; 梁睿光; 朱光宇; 梁启凡; 李�赫; 李元
Original assignee: Liaoning Pushihe Water Storage Co ltd; State Grid Xinyuan Group Co Ltd; State Grid Corp of China SGCC
Current assignee: Liaoning Pushihe Water Storage Co ltd; State Grid Xinyuan Group Co Ltd; State Grid Corp of China SGCC
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-03-15
Anticipated expiration: 2041-11-16
Also published as: CN114184944B

Abstract

The invention discloses a safety detection device for a 0.4kV switchboard drawer switch connector, comprising a drawer switch and a busbar channel, the busbar channel is supported on the front side of the drawer switch, and the front side of the busbar channel is symmetrically connected with a plurality of busbars. A quick detection mechanism is installed on the front side of the busbar; the quick detection mechanism includes a fixed busbar insulation bracket connected between the front sides of a plurality of busbars and a fixed chassis bracket supported between the busbar and the bottom of the drawer switch , and the symmetrical two ends of the fixed chassis bracket are located on both sides of the busbar channel, the two ends of the fixed chassis bracket and the corresponding side of the fixed busbar insulation bracket are connected with fixed bracket insulators, and the lower part of the front side of the busbar channel is evenly opened. There are multiple observation windows for the dynamic and static contacts of the connector. The 0.4kV switchboard drawer switch connector safety detection device can effectively and quickly inspect the drawer switch drawer and molded case circuit breaker, and the installation and fixing operation is simple and convenient.

Description

Safety detection device for drawer switch connector of 0.4kV distribution board

Technical Field

The invention belongs to the technical field of drawer switch detection, and particularly relates to a safety detection device for a drawer switch connector of a 0.4kV distribution board.

Background

Because the drawer switch connector is located inside the distribution board and is covered by the bus duct and the insulating baffle, the drawer switch connector cannot be detected independently, the distribution board can only be powered off, insulation resistance and direct current resistance tests are integrally carried out, each drawer switch cannot be detected independently, and the distribution board can only be evaluated integrally.

The overhaul period is very important to overhaul, the time is reserved for testing and trial operation as far as possible in the limited period, the health level of equipment is greatly improved, and the power grid is better served. 0.4kV distribution board drawer switch connector safety inspection device can carry out tests such as contact degree, insulation resistance, direct current resistance to drawer type switch when drawer type switch has a power failure and overhauls, can be effective and rapid take out plug-in components and moulded case circuit breaker to drawer type switch and inspect, reduce power failure scope and power off time, but the off-line test keeps away from electrified equipment, improves operation personnel safety. The operation is simple, the action process and the locking principle of the drawer switch are restored, and the drawer switch can be used as a teaching demonstration tool to improve the maintenance level of operation and maintenance personnel.

Disclosure of Invention

The invention aims to provide a safety detection device for a drawer switch connector of a 0.4kV distribution board, which aims to solve the problems in the background technology.

The technical scheme is as follows: a0.4 kV distribution board drawer switch connector safety inspection device includes:

the bus duct is supported on the front side of the drawer switch, the front side of the bus duct is symmetrically connected with a plurality of busbars, and the front sides of the busbars are provided with quick detection mechanisms;

quick detection mechanism is including connecting the fixed female insulating support of arranging between a plurality of female front sides and supporting the fixed chassis support between female arranging and drawer switch bottom, and the both ends of fixed chassis support symmetry are located busway's both sides respectively, be connected with the fixed bolster insulator between fixed female corresponding side of arranging the both ends of fixed chassis support and fixed female insulating support, a plurality of connector sound contact observation windows have evenly been seted up to busway's front side lower part, the top center of the female insulating support of fixed female row is connected with the connecting plate, quick fixed establishment is installed to the rear side of connecting plate.

In a further embodiment, the quick fixing mechanism comprises two insertion rods symmetrically connected to the rear side of the upper portion of the connecting plate and a clamping plate movably sleeved between the two insertion rods, and a spring is sleeved on the side wall of each insertion rod.

In a further embodiment, the spring is connected with connecting rings at both ends, and the two connecting rings are respectively connected at the corresponding sides of the clamping plate and the connecting plate.

In a further embodiment, a limiting piece is connected to one end, far away from the connecting plate, of the insertion rod.

In a further embodiment, a rubber pad is bonded on one side of the clamping plate close to the connecting plate, and the rubber pad is supported on the corresponding side inner wall of the drawer switch.

In a further embodiment, the fixed bracket insulator comprises an insulating piece connected to the front side of the fixed chassis bracket and a fixed bolt screwed between the insulating piece and the front side of the fixed busbar insulating bracket.

In a further embodiment, a rubber membrane is adhered to the top of the fixed chassis support and is supported at the bottom of the drawer switch.

The invention has the following technical effects and advantages:

the safety detection device for the drawer switch connector of the 0.4kV distribution board can independently perform tests such as contact degree, insulation resistance, direct current resistance and the like on the drawer switch when a specified drawer switch is subjected to power failure maintenance, can effectively and rapidly check the drawer switch connector and the molded case circuit breaker, and reduces the power failure range and the power failure time; the fixed busbar insulation support is fixed behind the front side of the busbar, the clamping plate is pulled away from the connecting plate and kept, then the drawer switch is moved to the rear side of the busbar channel, and the clamping plate is loosened, the clamping plate can reset under the action of the spring and is matched with the connecting plate to clamp and fix the drawer switch, the device can be quickly fixed on the corresponding side of the drawer switch, and the operation is simple and convenient; this 0.4kV distribution board drawer switch connector safety inspection device, can be effective and quick take out plug-in components and moulded case circuit breaker to the drawer switch and inspect, and the fixed easy operation of installation is convenient.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side elevation view of the present invention;

fig. 3 is an enlarged view of the invention at a in fig. 2.

In the figure:

1. fixing a busbar insulation bracket; 2. a busbar; 3. a bus duct; 4. fixing a chassis bracket; 5. fixing the bracket insulator; 6. a movable and fixed contact observation window of the connector; 7. a screw hole; 8. a connecting bolt; 9. a connecting plate; 10. inserting a rod; 11. a splint; 12. a connecting ring; 13. a spring; 14. a rubber pad; 15. and a limiting member.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

In order to effectively and rapidly inspect a drawer switch plug-in unit and a molded case circuit breaker, as shown in fig. 1 and 2, a safety inspection apparatus for a drawer switch plug-in unit of a 0.4kV distribution board includes: the bus duct comprises a drawer switch and a bus duct 3, the bus duct 3 is supported at the front side of the drawer switch, the front side of the bus duct 3 is symmetrically connected with a plurality of busbars 2, the front side of the busbars 2 is provided with a quick detection mechanism, the quick detection mechanism comprises a fixed busbar insulating support 1 connected between the front sides of the busbars 2, the front side of the busbars 2 is symmetrically provided with two screw holes 7, the fixed busbar insulating support 1 is parallelly and spirally connected with a plurality of connecting bolts 8 corresponding to the screw holes, the connecting bolts 8 are spirally connected in the corresponding screw holes, a fixed chassis support 4 is supported between the busbar 2 and the bottom of the drawer switch, the top of the fixed chassis support 4 is adhered with a rubber film, the rubber film is supported at the bottom of the drawer switch to prevent the bottom of the drawer switch from being worn, the two symmetrical ends of the fixed chassis support 4 are respectively positioned at the two sides of the bus duct 3, a fixed support 5 is connected between the two ends of the fixed chassis support 4 and the corresponding side of the fixed busbar insulating support 1, the fixed support insulator 5 comprises an insulating part connected with the front side of the fixed chassis support 4 and a fixed bolt screwed between the insulating part and the front side of the fixed bus bar insulating support 1 to play an insulating role, the lower part of the front side of the bus duct 3 is uniformly provided with a plurality of connector moving and static contact observation windows 6, whether the connectors are normally connected or not and whether the phenomena of deviation and inclination exist is checked through the connector moving and static contact observation windows 66, the center of the top of the fixed bus bar insulating support 1 is connected with a connecting plate 9,

for the fixed easy operation convenience of installation, as fig. 2 and fig. 3, quick fixed establishment is installed to the rear side of connecting plate 9, quick fixed establishment includes two inserted bars 10 of symmetrical fixed grafting in connecting plate 9 upper portion rear side, the one end that inserted bar 10 kept away from connecting plate 9 bonds there is locating part 15, locating part 15 can avoid splint 11 to break away from inserted bar 10, movable sleeve is equipped with splint 11 between two inserted bars 10, splint 11 is close to one side of connecting plate 9 and bonds there is rubber pad 14, and rubber pad 14 supports the corresponding side inner wall at the drawer switch, can avoid the corresponding side inner wall of drawer switch to take place wearing and tearing, the lateral wall cover of inserted bar 10 is equipped with spring 13, spring 13's both ends all are connected with go-between 12, and two go-between 12 are respectively through screwed connection in splint 11 and connecting plate 9's the corresponding side.

According to the safety detection device for the drawer switch connector of the 0.4kV distribution board, a fixed busbar insulating support 1 is fixed behind the front side of a busbar 2 through a connecting bolt 8, a clamping plate 11 is pulled away from a connecting plate 9 and kept, a spring 13 is in a stretching state at the moment, then a drawer switch is moved to the rear side of a bus duct 3, the clamping plate 11 is loosened, the clamping plate 11 can reset under the action of the spring and is matched with the connecting plate to clamp and fix the drawer switch, the device can be quickly fixed on the corresponding side of the drawer switch, and the operation is simple and convenient; whether the connector is normally connected or not is checked through the movable and fixed contact observation window 6 of the connector, and the direct-current resistance tester is used for detecting, tests such as contact degree, insulation resistance and direct-current resistance can be carried out on the drawer switch when the specified drawer switch is overhauled due to power failure, the drawer switch plug-in unit and the molded case circuit breaker can be effectively and rapidly checked, and the power failure range and the power failure time are reduced.

In the present invention, the terms "connected" and "fixed" should be interpreted broadly, for example, the term "connected" may be a fixed connection, a detachable connection, or an integral connection. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated devices or units must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A 0.4kV switchboard drawer switch connector safety detection device, comprising:

A drawer switch and a busbar channel (3), and the busbar channel (3) is supported on the front side of the drawer switch, the front side of the busbar channel (3) is symmetrically connected with a plurality of busbars (2), the busbars (2) ) is equipped with a quick detection mechanism on the front side;

It is characterized in that: the rapid detection mechanism comprises a fixed busbar insulating support (1) connected between the front sides of a plurality of busbars (2) and a fixed chassis support supported between the busbar (2) and the bottom of the drawer switch (4), and the symmetrical two ends of the fixed chassis bracket (4) are located on both sides of the busbar channel (3) respectively, and the two ends of the fixed chassis bracket (4) and the corresponding side of the fixed busbar insulation bracket (1) are located. A fixed bracket insulator (5) is connected between them, a plurality of observation windows (6) for the dynamic and static contacts of the connectors are evenly opened at the lower part of the front side of the busbar channel (3), and the top center of the fixed busbar insulation bracket (1) A connecting plate (9) is connected, and a quick fixing mechanism is installed on the rear side of the connecting plate (9).

2. A 0.4kV switchboard drawer switch connector safety detection device according to claim 1, characterized in that: the quick fixing mechanism comprises two insertion rods (10) symmetrically connected to the upper rear side of the connecting plate (9). ) and a splint (11) that is movably sleeved between two insertion rods (10), and a spring (13) is sleeved on the side wall of the insertion rod (10).

3. A 0.4kV switchboard drawer switch connector safety detection device according to claim 2, characterized in that: both ends of the spring (13) are connected with connecting rings (12), and the two connecting rings ( 12) Connect to the corresponding sides of the splint (11) and the connecting plate (9) respectively.

4. A 0.4kV switchboard drawer switch connector safety detection device according to claim 2, characterized in that: one end of the insertion rod (10) away from the connecting plate (9) is connected to the limiting member (15).

5. A 0.4kV switchboard drawer switch connector safety detection device according to claim 2, characterized in that: a rubber pad (14) is adhered to the side of the splint (11) close to the connecting plate (9), And the rubber pad (14) is supported on the inner wall of the corresponding side of the drawer switch.

6. A 0.4kV switchboard drawer switch connector safety detection device according to claim 1, characterized in that: the fixed bracket insulator (5) comprises an insulator and a screw connected to the front side of the fixed chassis bracket (4). Connect the fixing bolt between the insulating part and the front side of the fixing busbar insulating bracket (1).

7. A 0.4kV switchboard drawer switch connector safety detection device according to claim 1, characterized in that: the top of the fixed chassis bracket (4) is bonded with a rubber film, and the rubber film is supported on the drawer switch. bottom.