CN217823826U

CN217823826U - Arc-proof natural radiator for 10KV heavy-current centrally installed switchgear

Info

Publication number: CN217823826U
Application number: CN202220945843.9U
Authority: CN
Inventors: 杨金帆; 罗栋
Original assignee: Crady Electric Changzhou Co ltd
Current assignee: Crady Electric Changzhou Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-11-15
Anticipated expiration: 2032-04-22

Abstract

The utility model discloses an anti-arc natural radiator that is arranged in 10KV heavy current to put cabinet, its technical scheme main points are: the portable box comprises a box body, the radiating groove has been seted up to the upper surface of box, the top of box and be provided with the fan in the corresponding position of radiating groove, the inboard fixed mounting of box has the riser, a plurality of through hole has been seted up to one side of riser. When not the heat dissipation needs dustproof, can close the subassembly that opens and shuts, through rotating adjustable fender, make first fan run through the position of groove and second fan run through the groove and stagger, reach the effect of closed intake pipe, the radiator-grid then can avoid the dust to enter into the inboard of box through exhaust cabin and radiator-grid, when the heat dissipation needs dustproof, when the inboard air of box of admitting air enters into the inboard of riser through the pipeline, the dust screen can filter the dust in the air, avoid the dust to enter into the inboard of riser, the problem that the dust enters into the box inboard has been avoided.

Description

Arc-proof natural radiator for 10KV heavy-current centrally installed switchgear

Technical Field

The utility model relates to an in put cabinet heat dissipation technical field, more specifically say, it relates to an anti electric arc natural radiator who is arranged in 10KV heavy current to put cabinet.

Background

The centrally installed switchgear is fully called as metal armored centrally installed withdrawable switchgear. The indoor complete distribution equipment belongs to a high-voltage distribution equipment, has the highest working voltage of 3.6/7.2/12kV, is a three-phase alternating current 50Hz single-bus segmented system or double-bus segmented system, is used for receiving and distributing 3.6-12kV network electric energy, and carries out control protection, monitoring and measurement on a power circuit.

The patent number is CN200920055566.9, and discloses an arc-proof natural radiator for a 10kV heavy-current middle-placed cabinet, which comprises a middle partition plate, wherein a vent hole is formed in the middle partition plate, a screen is limited when the middle partition plate is bent, the screen is naturally tensioned when a plate is bent, an arc-proof plate is installed on the middle partition plate, and a radiating device with wind is additionally installed on the top of the cabinet. After adopting above-mentioned technical scheme, both can reach natural radiating purpose, can prevent that electric arc from hurting the human body when the electric arc trouble again, the dependable performance improves switch board life and economic benefits greatly moreover.

However, the natural radiator still has a certain problem when in use, for example, two holes for air circulation need to be formed on the middle cabinet, the air flow direction is single, so that the heat dissipation effect of electronic elements around the air flow channel is good, and the heat dissipation effect of electronic elements not around the air flow channel is poor.

SUMMERY OF THE UTILITY MODEL

To solve the problems mentioned in the background art, the present invention provides an arc-proof natural heat radiator for a 10KV heavy current centrally installed switchgear, so as to solve the problems mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an arc-proof natural radiator for a 10KV heavy-current centrally installed switchgear comprises a box body, wherein a heat dissipation groove is formed in the upper surface of the box body, a fan is arranged at the top end of the box body and at a position corresponding to the heat dissipation groove, a vertical pipe is fixedly installed on the inner side of the box body, a plurality of through holes are formed in one side of the vertical pipe, an air inlet assembly is fixedly installed on the box body and at a position corresponding to the vertical pipe, and the air inlet assembly is communicated with the through holes.

Through adopting above-mentioned technical scheme, the inboard that the box was entered into through a plurality of through holes in the riser outside to the air that makes the inboard a plurality of positions of box all can the entering temperature lower, thereby reaches even radiating effect.

Preferably, the air inlet assembly comprises an air inlet box, the air inlet box is fixedly mounted on the box body, one end of the air inlet box extends to the outer side of the box body and is fixedly provided with an opening and closing assembly, the air inlet box is communicated with the vertical pipe through a pipeline, and the inner side of the pipeline is provided with a dust screen.

Through adopting above-mentioned technical scheme, when the heat dissipation needs dustproof, when the inboard air of box of admitting air enters into the inboard of riser through the pipeline, the dust screen can filter the dust in the air, avoids the dust to enter into the inboard of riser.

Preferably, the opening and closing assembly comprises a fixed baffle, a movable baffle and an air inlet pipe, the air inlet pipe is fixedly installed at one end, located on the outer side of the box body, of the air inlet box, the inner side of the air inlet pipe is communicated with the inner side of the air inlet box, the fixed baffle is fixedly installed on the inner side of the air inlet pipe, the movable baffle is movably arranged on the fixed baffle, a first fan-shaped through groove is formed in the movable baffle, and a second fan-shaped through groove is formed in the fixed baffle.

By adopting the technical scheme, when the air inlet box needs to be opened, the movable baffle can be rotated by pulling the handle, so that the first fan-shaped through groove and the second fan-shaped through groove are superposed, air can enter the inner side of the air inlet box through the first fan-shaped through groove, the second fan-shaped through groove and the air inlet pipe, and when the air inlet box needs to be closed, the movable baffle is rotated, so that the first fan-shaped through groove and the second fan-shaped through groove are staggered.

Preferably, the upper surface of the box body is fixedly provided with an exhaust cabin at a position corresponding to the heat dissipation groove, the fan is fixedly arranged on the inner side of the exhaust cabin, and the upper surface of the exhaust cabin is fixedly provided with a heat dissipation net.

Through adopting above-mentioned technical scheme, the radiator-grid can avoid the dust to enter into the inboard of box through exhaust cabin and radiating groove.

Preferably, the through holes are vertically arranged on one side of the vertical pipe.

Through adopting above-mentioned technical scheme, increase the outside air and enter into the inboard passageway of box.

Preferably, a circular shaft is fixedly installed on one side, away from the air inlet box, of the fixed baffle, and the movable baffle is movably sleeved on the outer side of the circular shaft.

Through adopting above-mentioned technical scheme for adjustable fender and fixed stop swing joint, thereby the adjustment opens and shuts the switch of subassembly.

To sum up, the utility model discloses following beneficial effect has:

1. through setting up the subassembly that opens and shuts and radiator-grid and dust screen isotructure, when not heat dissipation needs dustproof, can close the subassembly that opens and shuts, through rotating adjustable fender, make first fan-shaped run through the groove and the second fan-shaped run through the position of groove and stagger, reach the effect of closed intake pipe, the radiator-grid then can avoid the dust to enter into the inboard of box through exhaust chamber and radiator-grid, when the heat dissipation needs dustproof, when the inboard air of box of admitting air enters into the inboard of riser through the pipeline, the dust screen can filter the dust in the air, avoid the dust to enter into the inboard of riser, the problem of dust entering into the box inboard has been avoided.

2. Through setting up air intake assembly and riser and through hole isotructure, fan work can pass through the radiating groove with the inboard air of box and discharge for the inboard atmospheric pressure of box reduces, and outside air passes through the intake pipe and admits air the box, enters into the inboard of riser, and the inboard that the box was entered into through a plurality of through holes in the riser outside to the air, thereby makes a plurality of positions of box inboard all can enter into the lower air of temperature, thereby reaches even radiating effect.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

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

FIG. 3 is an exploded view of the structure of the middle opening/closing assembly of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure:

1. a box body; 2. an exhaust chamber; 3. a heat-dissipating mesh; 4. a riser; 5. a through hole; 6. an air inlet pipe; 7. an air intake box; 8. a fan; 9. pulling the handle; 10. trepanning; 11. a first fan-shaped through slot; 12. a movable baffle; 13. a limiting ring; 14. fixing a baffle plate; 15. a circular shaft; 16. a friction ring; 17. a dust screen; 18. the second fan-shaped through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an arc-proof natural radiator for a 10KV heavy-current centrally installed switchgear comprises a box body 1, a fan 8, a vertical pipe 4, an air inlet assembly and an opening and closing assembly, wherein a heat dissipation groove is formed in the upper surface of the box body 1, the fan 8 is arranged on the inner side of the heat dissipation groove, a plurality of through holes 5 are formed in one side of the vertical pipe 4, the through holes 5 are vertically arranged on one side of the vertical pipe 4, the vertical pipe 4 is communicated with the air inlet assembly, the air inlet assembly extends to the outer side of the box body 1, the opening and closing assembly is connected with the air inlet assembly, when the opening and closing assembly is in an open state, external air enters the inner side of the vertical pipe 4 through the opening and closing assembly and the air inlet assembly and enters the inner side of the box body 1 through the plurality of through holes 5 in the outer side of the vertical pipe 4, and when the fan 8 works, the air inside of the box body 1 can be discharged through the heat dissipation groove.

Referring to fig. 2 and 4, the air intake assembly includes an air intake box 7, the air intake box 7 is fixedly installed on the box body 1, and the installation position of the air intake box 7 is located below the vertical pipe 4, a pipeline is arranged between the vertical pipe 4 and the air intake box 7, and communication holes are formed in the mutually close sides of the vertical pipe 4 and the air intake box 7, a pipeline is arranged between the vertical pipe 4 and the air intake box 7, so that the vertical pipe 4 is communicated with the air intake box 7, a dust screen 17 is further arranged on the inner side of the pipeline, and when the air inside the air intake box 7 enters the inner side of the vertical pipe 4 through the pipeline, the dust screen 17 can filter dust in the air.

Referring to fig. 2 and 4, the opening and closing assembly includes an air inlet pipe 6, one end of the air inlet box 7 extends to the box body 1, the air inlet pipe 6 is fixedly installed at one end of the air inlet box 7 located at the outer side of the box body 1, the air inlet pipe 6 is communicated with the air inlet box 7, a fixed baffle 14 is fixedly installed at the inner side of the air inlet pipe 6, a second fan-shaped through groove 18 is formed in the fixed baffle 14, a circular shaft 15 is fixedly installed at one side of the fixed baffle 14 away from the air inlet box 7, a sleeve hole 10 is formed in a movable baffle 12, the movable baffle 12 is movably sleeved at the outer side of the circular shaft 15 through the sleeve hole 10, a limiting ring 13 is fixedly installed at one end of the circular shaft 15 away from the fixed baffle 14, the limiting ring 13 plays a role in limiting the movable baffle 12, the movable baffle 12 is prevented from being separated from the outer side of the circular shaft 15, the movable baffle 12 is provided with a first fan-shaped through groove 11 corresponding to the position and shape of the second fan-shaped through groove 18, the side of the movable baffle plate 12 far away from the fixed baffle plate 14 is also fixedly provided with a wrenching handle 9, the movable baffle plate 12 is convenient to rotate, the outer side of the air inlet pipe 6 is fixedly provided with a friction ring 16 at the corresponding position of the movable baffle plate 12, the friction ring 16 is annular, the inner side of the friction ring 16 is attached to the outer side of the movable baffle plate 12, the friction force when the movable baffle plate 12 rotates is improved, when the movable baffle plate is required to be opened, the movable baffle plate 12 can be rotated by wrenching the handle 9, so that the first fan-shaped through groove 11 and the second fan-shaped through groove 18 are superposed, air can enter the inner side of the air inlet box 7 through the first fan-shaped through groove 11, the second fan-shaped through groove 18 and the air inlet pipe 6, when the movable baffle plate 12 is required to be closed, the positions of the first fan-shaped through groove 11 and the second fan-shaped through groove 18 are staggered, and the effect of sealing the air inlet pipe 6 is achieved.

Referring to fig. 2, an exhaust chamber 2 is fixedly mounted on the upper surface of the box body 1 at a position corresponding to the heat dissipation groove, the shape and size of the exhaust chamber 2 are matched with those of the heat dissipation groove, the fan 8 is mounted on the inner side of the exhaust chamber 2, and the heat dissipation net 3 is arranged on the upper surface of the exhaust chamber 2, so that dust can be prevented from entering the inner side of the centrally installed cabinet through the heat dissipation groove.

The working principle is as follows: when radiating, the fan 8 can discharge the air inside the box body 1 through the radiating groove during the work, so that the air pressure inside the box body 1 is reduced, the outside air passes through the air inlet pipe 6 and the air inlet box 7 and enters the inner side of the vertical pipe 4, when the air inside the air inlet box 7 enters the inner side of the vertical pipe 4 through a pipeline, the dust screen 17 can filter the dust in the air, the dust is prevented from entering the inner side of the vertical pipe 4, the air enters the inner side of the box body 1 through the through holes 5 outside the vertical pipe 4, so that the air with lower temperature can enter the positions inside the box body 1, and thus, the effect of uniform heat radiation is achieved, the problems that the radiating effect of a part of electronic elements is good and the radiating effect of a part of electronic elements is poor are solved.

When not the heat dissipation needs dustproof, can close the subassembly that opens and shuts, through rotating adjustable fender 12 for first fan-shaped runs through the position that groove 11 and second fan-shaped run through groove 18 and staggers, reaches the effect of sealing intake pipe 6, and radiator-grid 3 then can avoid the dust to enter into the inboard of box 1 through exhaust chamber 2 and radiating groove, reaches dirt-proof effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A prevent electric arc natural radiator for putting cabinet in 10KV heavy current, including box (1), the radiating groove has been seted up to the upper surface of box (1), the top of box (1) and be provided with fan (8), its characterized in that in the corresponding position of radiating groove: the air inlet box is characterized in that a vertical pipe (4) is fixedly mounted on the inner side of the box body (1), a plurality of through holes (5) are formed in one side of the vertical pipe (4), an air inlet assembly is fixedly mounted on the box body (1) at a corresponding position of the vertical pipe (4), and the air inlet assembly is communicated with the through holes (5).

2. The arc-proof natural radiator for a 10KV large-current centrally installed switchgear according to claim 1, wherein: the air inlet assembly comprises an air inlet box (7), the air inlet box (7) is fixedly installed on the box body (1), an opening and closing assembly is fixedly arranged on the outer side of the box body (1) and extends to one end of the air inlet box (7), the air inlet box (7) is communicated with the vertical pipe (4) through a pipeline, and a dustproof net (17) is arranged on the inner side of the pipeline.

3. The arc-proof natural radiator for a 10KV large-current centrally installed switchgear according to claim 2, characterized in that: the opening and closing assembly comprises a fixed baffle (14), a movable baffle (12) and an air inlet pipe (6), the air inlet pipe (6) is fixedly installed at one end, located on the outer side of the box body (1), of the air inlet box (7), the air inlet pipe (6) is communicated with the inner side of the air inlet box (7), the fixed baffle (14) is fixedly installed on the inner side of the air inlet pipe (6), the movable baffle (12) is movably arranged on the fixed baffle (14), a first fan-shaped through groove (11) is formed in the movable baffle (12), and a second fan-shaped through groove (18) is formed in the fixed baffle (14).

4. The arc-proof natural radiator for a 10KV large-current centrally installed switchgear according to claim 1, wherein: the upper surface of box (1) and in the corresponding position fixed mounting of radiating groove have exhaust cabin (2), fan (8) fixed mounting is in the inboard of exhaust cabin (2), the fixed surface of exhaust cabin (2) is provided with radiator-grid (3).

5. The arc-proof natural radiator for a 10KV large-current centrally installed switchgear according to claim 1, wherein: the through holes (5) are vertically arranged on one side of the vertical pipe (4).

6. The arc-proof natural radiator for a 10KV large-current centrally installed switchgear according to claim 3, wherein: one side of the fixed baffle (14) far away from the air inlet box (7) is fixedly provided with a round shaft (15), and the movable baffle (12) is movably sleeved on the outer side of the round shaft (15).