CN219226109U

CN219226109U - Outdoor middle-high voltage lightning protection distribution switch

Info

Publication number: CN219226109U
Application number: CN202320833903.2U
Authority: CN
Inventors: 焦安淑; 姚富刚; 焦自波
Original assignee: Shenzhen Anfu Power Co ltd
Current assignee: Shenzhen Anfu Power Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-06-20
Anticipated expiration: 2033-04-14

Abstract

The utility model relates to the technical field of lightning protection of a power distribution switch, in particular to a medium-high voltage lightning protection power distribution switch used outdoors.

Description

Outdoor middle-high voltage lightning protection distribution switch

Technical Field

The utility model relates to the technical field of lightning protection of distribution switches, in particular to a middle-high voltage lightning protection distribution switch used outdoors.

Background

Distribution switches are devices that provide overload and short-circuit protection to loads connected to a main distribution facility, and are widely used in low-voltage circuitry or medium-high voltage circuitry.

The outdoor distribution switch needs to provide lightning protection to guarantee the safe handling of circuit system, like the low-voltage distribution switch control cabinet that has lightning protection ability that proposes in patent application number "CN202020406463.9", connect through the seal wire between lightning rod and the inserted bar, can make lightning current lead-in underground.

In the prior art, as the low-voltage distribution switch control cabinet proposed in patent application number CN202020406463.9, the length of a lead part of the low-voltage distribution switch control cabinet cannot be adjusted, and when a distribution switch is fixed on an outdoor wall and a holding pole, the bottom of the low-voltage distribution switch control cabinet is a certain distance away from the ground, so that the inserting pole part cannot be connected into the ground for lightning protection.

Disclosure of Invention

The utility model aims to provide a medium-high voltage lightning protection distribution switch used outdoors, which solves the problems in the background technology.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a distribution switch is hit in medium-high voltage lightning protection of outdoor use, is including being arranged in the distribution switch body in the medium-high voltage circuit system, one side fixedly connected with of distribution switch body is by the link box of insulating material preparation, is provided with lightning rod and inserted bar on the link box, fixedly connected with lead wire between lightning rod and the inserted bar, one side fixedly connected with of link box inner wall is used for the winding wire pole of lead wire winding.

One side fixedly connected with location lug of lightning rod, one side fixedly connected with fixed block of joint box inner wall, one side fixedly connected with positioning spring of fixed block inner wall, the one end fixedly connected with fly leaf of positioning spring, the one end fixedly connected with location concave block of fly leaf, location concave block and location lug looks adaptation.

Preferably, the top of connection box has seted up first through-hole, and the second through-hole has been seted up to the bottom of connection box, and first through-hole is used for the lightning rod to pass, and the second through-hole is used for the inserted bar to pass.

Preferably, the outer surface of the lightning rod is fixedly connected with a sealing gasket in the connecting box, and the sealing gasket is used for sealing the first through hole.

Preferably, the second through hole is provided with a protection piece, the protection piece comprises a T-shaped rubber tube, the center position of the T-shaped rubber tube is provided with a center hole for a lead to pass through, and one side of the inner wall of the center hole is provided with a connection notch.

Preferably, the U-shaped spring clamping pieces are fixedly connected to the two sides of the inner wall of the connecting box, and the cover plate which is opened and closed is arranged outside the connecting box.

Preferably, the bottom of the fixed block is provided with a movable notch, the bottom of the movable connecting plate is fixedly connected with a movable plectrum, and the movable plectrum is in sliding connection with the movable notch.

The utility model has the beneficial effects that:

through the lightning rod, lead wire and inserted bar combined action provide lightning protection for the distribution switch body to lightning rod and inserted bar all can freely receive inside the junction box, perhaps stretch out from the junction box inside and use, when installing the distribution switch body on wall or staple bolt, the length of lead wire can twine on the wire winding pole or take off from the wire winding pole as required, make the lead wire when having sufficient length to connect underground inserted bar and lightning rod connection, can prevent again that the lead wire is scattered, receive inside the junction box with lightning rod and inserted bar, can make things convenient for carrying and transportation of device.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the interior of the junction box of FIG. 1;

FIG. 3 is a schematic view of the structure of the bottom of the junction box of FIG. 2;

FIG. 4 is a schematic view of the structure of the fixed block portion of FIG. 2;

FIG. 5 is a schematic view of the structure of the protector of FIG. 1;

fig. 6 is a schematic view of the structure of the bottom of the protector of fig. 5.

Reference numerals in the drawings are as follows:

1. the power distribution switch body, 2, the connection box, 3, the lightning rod, 4, the inserted link, 5, the lead wire, 6, the wire winding pole, 7, the location lug, 8, the fixed block, 9, the location spring, 10, the movable link board, 11, the location concave block, 12, first through-hole, 13, the second through-hole, 15, sealing washer, 16, protection piece, 161, T type rubber tube, 162, centre bore, 163, connection breach, 17, U type spring clamping piece, 18, apron, 19, movable notch, 20, movable plectrum.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a distribution switch is hit in medium-high voltage lightning protection of outdoor use, is including being arranged in the distribution switch body 1 in the medium-high voltage circuit system, one side fixedly connected with of distribution switch body 1 is by insulation material's connection box 2, is provided with lightning rod 3 and inserted bar 4 on the connection box 2, fixedly connected with lead wire 5 between lightning rod 3 and the inserted bar 4, one side fixedly connected with of connection box 2 inner wall is used for lead wire 5 winding wire pole 6.

One side fixedly connected with location lug 7 of lightning rod 3, one side fixedly connected with fixed block 8 of connecting box 2 inner wall, one side fixedly connected with positioning spring 9 of fixed block 8 inner wall, the one end fixedly connected with fly leaf 10 of positioning spring 9, the one end fixedly connected with location concave block 11 of fly leaf 10, location concave block 11 and location lug 7 looks adaptation.

As shown in fig. 1, a power distribution switch body 1 used in a medium-high voltage circuit system is equipment in the prior art, and is fixed on an outdoor wall or a pole, etc., the bottom of the power distribution switch body is not contacted with the ground, and a connecting box 2 is made of an insulating material, so that no current interference is generated between the lightning protection system formed by a lightning rod 3, a lead 5 and a plug rod 4 and the power distribution switch body 1. The positioning convex block 7 is clamped in the positioning concave block 11, so that the lightning rod 3 does not move downwards.

The top of connection box 2 has seted up first through-hole 12, and second through-hole 13 has been seted up to the bottom of connection box 2, and first through-hole 12 is used for lightning rod 3 to pass, and second through-hole 13 is used for inserted bar 4 to pass.

As shown in fig. 2 and 3, the lightning rod 3 may be penetrated out to the top of the connection box 2 through the first through hole 12, the insertion rod 4 may be penetrated out to the inside of the connection box 2 through the second through hole 13, and conversely, the insertion rod 4 and the lightning rod 3 may be contracted into the inside of the connection box 2 through the first through hole 12 and the second through hole 13.

The outer surface of the lightning rod 3 and the inside of the connection box 2 are fixedly connected with a sealing gasket 15, and the sealing gasket 15 is used for sealing the first through hole 12.

As shown in fig. 2 and 3, the sealing gasket 15 is tightly attached under the first through hole 12, and can seal the first through hole 12.

The second through hole 13 is provided with a protecting member 16, the protecting member 16 comprises a T-shaped rubber tube 161, a central hole 162 for the lead 5 to pass through is arranged at the central position of the T-shaped rubber tube 161, and a connecting notch 163 is formed in one side of the inner wall of the central hole 162.

As shown in fig. 2 and 3 and 5, the T-shaped design of the T-shaped rubber tube 161 can prevent the T-shaped rubber tube 161 from falling down from the second through hole 13, and the T-shaped rubber tube 161 has a certain elasticity, so that the lead 5 can prop open the T-shaped rubber tube 161 and move along the connection notch 163.

The U-shaped spring clamping pieces 17 are fixedly connected to the two sides of the inner wall of the connecting box 2, and a cover plate 18 which is opened and closed is arranged outside the connecting box 2.

As shown in fig. 1, the cover plate 18 can be opened and closed to facilitate the operation of the components inside the connection box 2, and the U-shaped spring clip 17 can position the lightning rod 3 and the plug rod 4 when the lightning rod 3 and the plug rod 4 are retracted into the connection box 2.

The bottom of the fixed block 8 is provided with a movable notch 19, the bottom of the movable connecting plate 10 is fixedly connected with a movable plectrum 20, and the movable plectrum 20 is in sliding connection with the movable notch 19.

As shown in fig. 3 and 4, the movable pulling piece 20 can drive the movable connecting plate 10 to move together by manually pulling, and meanwhile, the movable pulling piece 20 can limit the movement of the movable connecting plate 10, so as to prevent the movable connecting plate 10 from being separated from the connecting box 2.

The working principle of the outdoor medium-high voltage lightning protection distribution switch provided by the utility model is as follows:

by projecting the lightning rod 3 outside the connection box 2, the plug rod 4 is connected to the ground, so that lightning protection can be provided for the distribution switch body 1 on one side of the connection box 2;

when no lightning protection is required:

when the movable plectrum 20 is pulled to drive the movable connecting plate 10 to move towards the inside of the fixed block 8, the movable connecting plate 10 drives the positioning concave block 11 to be separated from the positioning convex block 7, and at the moment, the lightning rod 3 can be moved downwards into the connecting box 2;

when the protector 16 is pulled upward, the protector 16 may be taken out of the second through hole 13, and then the T-shaped rubber tube 161 is pulled to one side so that the lead 5 is detached from the center hole 162 along the connection notch 163, at which time the lead 5 and the plunger 4 may be taken into the inside of the connection box 2, and then the lead 5 is wound around the winding rod 6;

when lightning protection is required:

the movable pulling piece 20 can be pulled, then the lightning rod 3 is moved upwards, the lightning rod 3 protrudes to the outside of the connecting box 2 through the first through hole 12, at the moment, the movable pulling piece 20 can be loosened, and the positioning spring 9 stretches to push the movable connecting plate 10 and the positioning concave block 11, so that the positioning concave block 11 positions the positioning convex block 7 and the lightning rod 3;

then the lead 5 wound on the winding rod 6 is taken down, the inserted rod 4 is extended into the outside of the connecting box 2 through the second through hole 13 for use, the T-shaped rubber tube 161 is sleeved outside the lead 5 through the connecting notch 163, and the protecting piece 16 is clamped into the second through hole 13.

Compared with the related art, the outdoor medium-high voltage lightning protection distribution switch has the following beneficial effects:

through lightning rod 3, lead wire 5 and inserted bar 4 combined action provide lightning protection for distribution switch body 1 to lightning rod 3 and inserted bar 4 all can freely receive inside junction box 2, perhaps stretch out from junction box 2 inside and use, when installing distribution switch body 1 on wall or staple bolt, the length of lead wire 5 can twine wire winding pole 6 or take off from wire winding pole 6 as required, make lead wire 5 when having sufficient length to be connected inserted bar 4 and lightning rod 3, can prevent again that lead wire 5 is scattered, and inside the junction box 2 is received with lightning rod 3 and inserted bar 4, can make things convenient for carrying and the transportation of device.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a distribution switch is hit in medium-high voltage lightning protection that outdoor used, includes distribution switch body (1) that is arranged in medium-high voltage circuit system, its characterized in that, one side fixedly connected with of distribution switch body (1) is by connection box (2) of insulating material preparation, is provided with lightning rod (3) and inserted bar (4) on connection box (2), fixedly connected with lead wire (5) between lightning rod (3) and inserted bar (4), one side fixedly connected with of connection box (2) inner wall is used for lead wire (5) winding wire pole (6);

one side fixedly connected with location lug (7) of lightning rod (3), one side fixedly connected with fixed block (8) of connecting box (2) inner wall, one side fixedly connected with positioning spring (9) of fixed block (8) inner wall, the one end fixedly connected with activity link plate (10) of positioning spring (9), the one end fixedly connected with location concave block (11) of activity link plate (10), location concave block (11) and location lug (7) looks adaptation.

2. The outdoor medium-high voltage lightning protection distribution switch according to claim 1, wherein the top of the connection box (2) is provided with a first through hole (12), the bottom of the connection box (2) is provided with a second through hole (13), the first through hole (12) is used for passing through a lightning rod (3), and the second through hole (13) is used for passing through a plug rod (4).

3. The outdoor medium-high voltage lightning protection distribution switch of claim 2, wherein the outer surface of the lightning rod (3) is fixedly connected with a sealing gasket (15) inside the connecting box (2), and the sealing gasket (15) is used for sealing the first through hole (12).

4. The outdoor medium-high voltage lightning protection distribution switch according to claim 2, wherein the second through hole (13) is provided with a protection piece (16), the protection piece (16) comprises a T-shaped rubber tube (161), a central hole (162) for the lead (5) to pass through is arranged at the central position of the T-shaped rubber tube (161), and a connection notch (163) is formed in one side of the inner wall of the central hole (162).

5. The outdoor medium-high voltage lightning protection distribution switch according to claim 1, wherein the two sides of the inner wall of the connecting box (2) are fixedly connected with U-shaped spring clamping pieces (17), and a cover plate (18) for opening and closing is arranged outside the connecting box (2).

6. The outdoor medium-high voltage lightning protection distribution switch according to claim 1, wherein the bottom of the fixed block (8) is provided with a movable slot (19), the bottom of the movable connecting plate (10) is fixedly connected with a movable plectrum (20), and the movable plectrum (20) is in sliding connection with the movable slot (19).