CN116488029A

CN116488029A - Lightning protection device

Info

Publication number: CN116488029A
Application number: CN202310529426.5A
Authority: CN
Inventors: 田冉
Original assignee: Shenzhen Ouxintai Technology Co ltd
Current assignee: Shenzhen Ouxintai Technology Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-07-25

Abstract

The invention discloses a lightning protection device, which comprises a bottom plate capable of conducting electricity and a containing box capable of conducting electricity, wherein the containing box comprises: a lightning protection box mounted on the base plate for accommodating the power distribution equipment; the lifting plate is arranged in the lightning protection box and can be adjusted in a lifting manner, and the power distribution equipment is arranged on the lifting plate; the two top covers are arranged at the top of the lightning protection box, the two top covers can open or close the lightning protection box, and when the two top covers are closed, a closed cavity is formed in the lightning protection box; the lightning arrester is arranged at the top of the top cover. According to the invention, the distribution equipment is retracted into the lightning protection box for storage, the lightning protection box is sealed into a sealed cavity, and the electrostatic shielding (inner shielding) principle is utilized to protect the distribution equipment in the lightning protection box, so that the lightning protection effect is achieved.

Description

Lightning protection device

Technical Field

The invention relates to the technical field of lightning protection, in particular to a lightning protection device.

Background

The distribution equipment such as switch board, block terminal is mainly used for distributing the electric energy in the electric wire netting to terminal various consumer, is usually direct exposure outdoor place when using, and the weather of thunderstorm is easy to cause inside electronic components to damage because of the thunderbolt to the normal operating of electric wire netting is disturbed.

In order to solve such problems, chinese patent publication No. CN111600202B discloses a lightning protection device, which is convenient for disassembly, assembly, storage and transportation, and the top plate, the side baffle and the main baffle not only can provide a more comprehensive insulation function, but also can effectively provide a rain-shielding capability for the power distribution cabinet, thereby effectively reducing accidents caused by lightning strike and rainwater infiltration of the power distribution cabinet in thunderstorm weather, and improving the use safety.

The device can provide more comprehensive insulating effect through roof, side shield and main shield, but under thunderstorm weather, the rainwater still probably can splash to the switch board because of the factor of blowing down, when suffering the thunderbolt like this, then probably can break down these insulation boards of foretell under high-voltage current, and then causes the thunderbolt to the switch board, and the security performance is still not good.

Disclosure of Invention

The present invention is directed to a lightning protection device, which solves at least one technical problem of the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a protection device is hit in lightning protection, includes the bottom plate that can electrically conduct, still includes the containing box that can electrically conduct, the containing box includes:

a lightning protection box mounted on the base plate for accommodating the power distribution equipment;

the lifting plate is arranged in the lightning protection box and can be adjusted in a lifting manner, and the power distribution equipment is arranged on the lifting plate;

the two top covers are arranged at the top of the lightning protection box, the two top covers can open or close the lightning protection box, and when the two top covers are closed, a closed cavity is formed in the lightning protection box;

the lightning arrester is arranged at the top of the top cover.

Preferably, the inner wall of lightning protection case both sides all rotates installs the axis of rotation that can rotate the regulation, just the axis of rotation can be electrically conductive, two the outer wall of axis of rotation all is fixed with the sleeve pipe, just the sleeve pipe is insulating material, telescopic inner wall slidable mounting has the telescopic link, just the one end of telescopic link rotates the outer wall of connecting at the lifter plate, is located telescopic link tip fixing with the spring, telescopic internally mounted has the axis of rotation contact and can electrically conductive electric connection piece, works as when distribution equipment is located lightning protection incasement portion, the spring does not contact with electric connection piece.

Preferably, the top opening part fixedly connected with horizontal pole of lightning protection case, the spout has been seted up at the top of horizontal pole, two the bottom of top cap all is fixed with first slider and second slider, just first slider and second slider all with the spout sliding connection of horizontal pole, two the top of top cap all is connected with the handle that supplies the people to hold, two the outer wall of axis of rotation all is fixed with the reel of winding the stay cord, and two the extension end of stay cord is fixed respectively in the bottom of two top caps, two when the electric patch slides in opposite directions can be unreeled through stay cord pulling reel.

Preferably, the bottom of the cross bar is provided with a communication groove, the extending end of the pull rope penetrates into the sliding groove from the communication groove and is fixed on the first sliding block, and the inner wall of the communication groove is rotatably provided with a fixed pulley for guiding the pull rope.

Preferably, a grounding needle is fixed at the bottom of the bottom plate, and the bottom end of the grounding needle is set to be a tip.

Preferably, the top of the lifting plate is provided with a clamping groove into which the cross rod can be clamped, and the depth of the clamping groove is larger than the thickness of the cross rod.

Preferably, the two sides of the bottom plate are provided with stepped grooves, and the end parts of the two top covers are provided with protruding parts matched with the stepped grooves.

Preferably, the outer walls of the opposite faces of the two top covers are provided with sealing gaskets, and the outer walls of the tops of the two top covers are provided with inclined planes with smooth surfaces.

Preferably, two the outer wall of axis of rotation all is fixed with the gear, the inside vertical slidable mounting in both sides of lightning protection case has the rack with gear engaged with, the rack passes through electronic slide rail control lift and removes, just be insulating setting between rack and the electronic slide rail all and the lightning protection case.

Preferably, the bottom of the bottom plate is provided with a detachable travelling wheel.

Compared with the prior art, the invention has the following beneficial effects:

when encountering thunderstorm weather or thunderstorm weather, receive distribution equipment back into the lightning protection incasement through the lifter plate to utilize two top caps to seal the lightning protection incasement into a inclosed cavity, after sealing, because bottom plate and ground direct contact, can make the lightning protection case ground connection, and because the lightning protection case forms the conductor of a cavity, consequently when the arrester receives the thunderbolt, utilize the principle of electrostatic shielding (inner shield) to play the effect of protection to the distribution equipment in the lightning protection case, and then reach the effect of lightning protection.

Drawings

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

FIG. 2 is a cross-sectional perspective view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 and a partial enlarged view of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 and a partial enlarged view of the present invention;

fig. 6 is a schematic diagram of a mechanism of a gear and a rack in a second embodiment of the present invention.

In the figure: 1. a bottom plate; 2. a lightning protection box; 3. a top cover; 4. a lightning arrester; 5. a grounding pin; 6. a handle; 7. a lifting plate; 8. a power distribution device; 9. a rotating shaft; 10. a sleeve; 11. a telescopic rod; 12. a spring; 13. a power connection sheet; 14. a cross bar; 15. a slide rail; 16. a first slider; 17. a fixed pulley; 18. a pull rope; 19. a reel; 20. a second slider; 21. a communication groove; 22. a clamping groove; 23. a rack; 24. a gear.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one;

referring to fig. 1 to 5, the present invention provides the following technical solutions: the utility model provides a lightning protection device, includes bottom plate 1 that can electrically conduct, still includes the containing box that can electrically conduct, the containing box includes:

a lightning protection box 2 mounted on the base plate 1 for accommodating the power distribution equipment 8;

a lifting plate 7 which is arranged in the lightning protection box 2 and can be adjusted in a lifting way, and the power distribution equipment 8 is arranged on the lifting plate 7;

the two top covers 3 are arranged at the top of the lightning protection box 2, the two top covers 3 can open or close the lightning protection box 2, and when the two top covers 3 are closed, a closed cavity is formed in the lightning protection box 2;

and also comprises a lightning arrester 4 mounted on top of the top cover 3.

When the power distribution equipment 8 is normally used, the two top covers 3 can be opened, then the lifting plate 7 is controlled to move upwards through the external structure, and the power distribution equipment 8 installed on the lifting plate can be normally used after being lifted out of the lightning protection box 2.

When encountering thunderstorm weather or thunderstorm weather, retrieve distribution equipment 8 through lifter plate 7 and accomodate in lightning protection case 2 to utilize two top caps 3 to seal lightning protection case 2 into a inclosed cavity, after sealing, because bottom plate 1 and ground direct contact, can make lightning protection case 2 ground connection, and because lightning protection case 2 forms the conductor of a cavity, consequently when lightning arrester 4 receives the thunderbolt, utilize electrostatic shielding (inner shielding) principle to play the effect of protection to distribution equipment 8 in the lightning protection case 2, and then reach the effect of lightning protection.

The distribution equipment 8 is only a generic term, and may be other equipment except for the distribution cabinet, the distribution box and other equipment, and when the distribution equipment 8 needs to be wired, an insulating port may be formed at the bottom of the lightning protection box 2, so that the distribution equipment 8 is wired, or the connection line may be used when the lightning protection box is lifted, if some wireless equipment is used, the wiring port is not required to be left.

In one preferred embodiment, the inner walls of two sides of the lightning protection box 2 are all rotatably provided with rotating shafts 9 which can be rotatably adjusted, the rotating shafts 9 can be electrically conductive, two outer walls of the rotating shafts 9 are all fixed with sleeves 10, the sleeves 10 are made of insulating materials, telescopic rods 11 are slidably mounted on the inner walls of the sleeves 10, one ends of the telescopic rods 11 are rotatably connected with the outer walls of the lifting plates 7, springs 12 are fixed at the ends of the telescopic rods 11 positioned in the sleeves 10, and the inner parts of the sleeves 10 are provided with electric connection pieces 13 which are in contact with the rotating shafts 9 and can be electrically conductive, so that the springs 12 are not in contact with the electric connection pieces 13 when the power distribution equipment 8 is positioned in the lightning protection box 2.

Referring to fig. 4 specifically, in the storage state of the power distribution device 8, that is, the power distribution device 8 is located in the lightning protection box 2, the spring 12 and the power connection piece 13 are in a non-contact state at this time, so that in the storage lightning protection process, the lifting plate 7, the power distribution device 8 and the lightning protection box 2 can be disconnected, and current is prevented from passing through the power distribution device 8 during lightning stroke;

when the power distribution equipment 8 is used, namely, the rotating shaft 9 rotates to drive the lifting plate 7 to move upwards through the sleeve 10 and the telescopic rod 11 to extend the power distribution equipment 8 out of the lightning protection box 2, at the moment, under the dead weight of the lifting plate 7 and the power distribution equipment 8, the telescopic rod 11 can move into the sleeve 10, the spring 12 can be compressed when being contacted with the power connection piece 13, the spring 12 can provide supporting force for the lifting plate 7 by utilizing the elastic force of the spring 12, and meanwhile, the spring 12 can be contacted with the power connection piece 13, so that current can be communicated between the lifting plate 7 and the power distribution equipment 8 and the lightning protection box 2, the shell of the power distribution equipment 8 can be grounded by utilizing the lightning protection box 2 and the bottom plate 1, and electric leakage of the power distribution equipment 8 can be prevented in the use process, thereby improving the safety of the power distribution equipment 8 when in use.

In summary, through the arrangement of the spring 12, the distribution equipment 8 can be respectively in a connected or disconnected state with the lightning protection box 2 in the process of storage or use, so as to adapt to the use scenes in different states, and the purposes of protecting the distribution equipment 8 and protecting users are comprehensively achieved.

An embodiment of the rotational adjustment of the drive rotational shaft 9 is provided, see in particular fig. 5;

the top opening part fixedly connected with horizontal pole 14 of lightning protection case 2, the spout has been seted up at the top of horizontal pole 14, two the bottom of top cap 3 all is fixed with first slider 16 and second slider 20, just first slider 16 and second slider 20 all with the spout sliding connection of horizontal pole 14, two the top of top cap 3 all is connected with the handle 6 that supplies the people to hold, two the outer wall of axis of rotation 9 all is fixed with the reel 19 of winding stay cord 18, and two the extension end of stay cord 18 is fixed respectively in the bottom of two top caps 3, and two when the electric patch 13 slides in opposite directions can be unreeled through stay cord 18 pulling reel 19.

The two top covers 3 are pulled to two sides by holding the handles 6 to slide and open, in the opening process, the top covers 3 can pull the pull ropes 18 and unwind the winding wheels 19, the winding wheels 19 can drive the rotating shafts 9 to rotate together in the rotating process, the lifting plate 7 and the power distribution equipment 8 are driven to lift outwards through the sleeves 10 and the telescopic rods 11 until the telescopic rods 11 and the sleeves 10 rotate beyond the horizontal state, and at the moment, the springs 12 provide supporting force for the lifting plate 7, and meanwhile, the lifting plate 7 can be kept stationary.

Then when accomodating, can directly overcome the elasticity effect of spring 12 through manual downwardly pushing lifter plate 7 or distribution equipment 8 and remove downwards, until telescopic link 11 and sleeve pipe 10 rotate and cross the horizontality again after, can automatic downwardly moving under the circumstances of its dead weight this moment, simultaneously axis of rotation 9 can drive reel 19 rolling, makes two top caps 3 be close to each other through stay cord 18 and slides, accomplishes the process of automatic closure.

In one preferred embodiment, the bottom of the cross bar 14 is provided with a communicating groove 21, the extending end of the pull rope 18 penetrates into the sliding groove from the communicating groove 21 and is fixed on the first sliding block 16, and the inner wall of the communicating groove 21 is rotatably provided with a fixed pulley 17 for guiding the pull rope 18.

The fixed pulley 17 and the communicating groove 21 can play a certain limiting role on the pull rope 18 to prevent the pull rope 18 from deviating in the winding or unwinding process to influence the whole process, and particularly, as can be seen in fig. 5, the first sliding block 16 and the second sliding block 20 are arranged to prevent the top cover 3 from being separated from the cross rod 14 when being opened.

It is also worth mentioning that the distance between the first slider 16 and the second slider 20 can avoid the influence of the movement of the second slider 20 on the pull cord 18.

In one preferred embodiment, a grounding pin 5 is fixed at the bottom of the bottom plate 1, and the bottom end of the grounding pin 5 is set to be a tip.

The grounding needle 5 can better enable the bottom plate 1 to perform grounding treatment, and simultaneously can also play a role in fixing the bottom plate 1 and the lightning protection box 2, and if the bottom plate 1 is placed or installed at other positions, the grounding treatment can also be performed by adopting a wire-connecting mode.

In one preferred embodiment, a clamping groove 22 into which the cross bar 14 can be clamped is formed in the top of the lifting plate 7, and the depth of the clamping groove 22 is greater than the thickness of the cross bar 14.

When the lifting plate 7 stretches out, the cross rod 14 can be clamped into the clamping groove 22, the lifting plate 7 is limited, the depth of the clamping groove 22 is larger than the thickness of the cross rod 14, and therefore the plane at the top of the lifting plate 7 can also protrude out of the lightning protection box 2 after being limited, and the two top covers 3 can be prevented from being close to each other under the action of external force to collide with the power distribution equipment 8.

In one preferred embodiment, the two sides of the bottom plate 1 are provided with stepped grooves, and the ends of the two top covers 3 are provided with protruding parts adapted to the stepped grooves.

Referring specifically to fig. 2, the arrangement of the stepped grooves and the raised portions can improve the tightness of the lightning protection box 2, and can reduce and block the entry of water vapor in thunderstorm weather.

In one preferred embodiment, the outer walls of the opposite faces of the two top covers 3 are provided with sealing gaskets, and the top outer walls of the two top covers 3 are provided with inclined surfaces with smooth surfaces.

The sealing gasket is arranged, so that the sealing effect of the top cover 3 after closing is better.

The second embodiment is basically the same as the first embodiment, except that a second embodiment for rotationally adjusting the driving rotation shaft 9 is provided, and reference is specifically made to fig. 6;

the outer walls of the two rotating shafts 9 are respectively fixed with a gear 24, racks 23 meshed with the gears 24 are vertically and slidably mounted in two sides of the lightning protection box 2, the racks 23 are controlled to lift and move through electric sliding rails, and the racks 23 and the electric sliding rails are arranged in an insulating mode with the lightning protection box 2.

The two racks 23 are controlled to move up and down through the electric sliding rail, so that the gear 24 is driven to rotate, and the purpose of driving the rotating shaft 9 to rotate and adjust is achieved.

In one preferred embodiment, the bottom of the bottom plate 1 is provided with a detachable walking wheel.

The standard components used in the present embodiment may be purchased directly from the market, and the nonstandard structural components according to the descriptions of the specification and the drawings may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that the specific description will not be made here.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Lightning protection device, including bottom plate (1) that can electrically conduct, its characterized in that still includes the containing box that can electrically conduct, the containing box includes:

a lightning protection box (2) which is arranged on the bottom plate (1) and is used for accommodating power distribution equipment (8);

the lifting plate (7) is arranged in the lightning protection box (2) and can be lifted and adjusted, and the power distribution equipment (8) is arranged on the lifting plate (7);

the two top covers (3) are arranged at the top of the lightning protection box (2), the two top covers (3) can open or close the lightning protection box (2), and when the two top covers (3) are closed, a closed cavity is formed in the lightning protection box (2);

the lightning arrester (4) is arranged on the top of the top cover (3).

2. The lightning protection device of claim 1, wherein: the lightning protection box is characterized in that rotating shafts (9) capable of being adjusted are rotatably mounted on the inner walls of two sides of the lightning protection box (2), the rotating shafts (9) are conductive, two outer walls of the rotating shafts (9) are fixedly provided with sleeves (10), the sleeves (10) are made of insulating materials, telescopic rods (11) are slidably mounted on the inner walls of the sleeves (10), one ends of the telescopic rods (11) are rotatably connected to the outer walls of lifting plates (7), springs (12) are fixed to the end portions of the telescopic rods (11) located in the sleeves (10), rotating shafts (9) are mounted inside the sleeves (10) to be contacted with electric connection pieces (13) capable of being conductive, and when power distribution equipment (8) is located inside the lightning protection box (2), the springs (12) are not contacted with the electric connection pieces (13).

3. The lightning protection device of claim 2, wherein: the top opening of the lightning protection box (2) is fixedly connected with a cross rod (14), the top of the cross rod (14) is provided with a chute, the bottoms of the two top covers (3) are respectively fixed with a first sliding block (16) and a second sliding block (20), the first sliding blocks (16) and the second sliding blocks (20) are respectively connected with the chute of the cross rod (14) in a sliding way, the top of two top caps (3) is connected with a handle (6) for holding by a person, the outer walls of the two rotating shafts (9) are respectively fixed with a winding wheel (19) wound with a pull rope (18), and the extending ends of the two pull ropes (18) are respectively fixed at the bottoms of the two top caps (3), and when the two power receiving sheets (13) slide back to back, the winding wheels (19) are pulled to unwind through the pull ropes (18).

4. A lightning protection device according to claim 3, wherein: the bottom of horizontal pole (14) has seted up intercommunication groove (21), the end that stretches out of stay cord (18) penetrates in the spout from intercommunication groove (21) and fixes on first slider (16), the inner wall rotation of intercommunication groove (21) is installed and is used for carrying out fixed pulley (17) of direction to stay cord (18).

5. The lightning protection device of claim 1, wherein: the bottom of the bottom plate (1) is fixed with a grounding needle (5), and the bottom end of the grounding needle (5) is set to be a tip.

6. A lightning protection device according to claim 3, wherein: the top of lifter plate (7) has seted up draw-in groove (22) that can supply horizontal pole (14) card to go into, just the degree of depth of draw-in groove (22) is greater than the thickness of horizontal pole (14).

7. The lightning protection device of claim 1, wherein: the two sides of the bottom plate (1) are provided with stepped grooves, and the end parts of the two top covers (3) are provided with protruding parts matched with the stepped grooves.

8. The lightning protection device of claim 1, wherein: the outer walls of the opposite faces of the two top covers (3) are respectively provided with a sealing gasket, and the top outer walls of the two top covers (3) are respectively provided with an inclined plane with a smooth surface.

9. The lightning protection device of claim 2, wherein: two the outer wall of axis of rotation (9) all is fixed with gear (24), inside vertical slidable mounting in both sides of lightning protection case (2) have with gear (24) engaged with rack (23), rack (23) are through electronic slide rail control lift removal, just be insulating setting between rack (23) and the electronic slide rail all and lightning protection case (2).

10. The lightning protection device according to any one of claims 1-9, wherein: the bottom of the bottom plate (1) is provided with a detachable travelling wheel.