CN113451905A

CN113451905A - High-voltage complete power distribution cabinet with cooling function

Info

Publication number: CN113451905A
Application number: CN202010232518.3A
Authority: CN
Inventors: 金艳涛
Original assignee: Wuxi Shuokong Electric Automation Co Ltd
Current assignee: Wuxi Shuokong Electric Automation Co Ltd
Priority date: 2020-03-28
Filing date: 2020-03-28
Publication date: 2021-09-28

Abstract

The invention discloses a high-voltage complete power distribution cabinet with a cooling function, which comprises a box body, wherein a through hole is formed in the left end inside the box body, an interlayer structure is arranged between the outside of the box body and the side wall inside the box body, the interlayer structure is a cooling cavity, an exhaust fan is arranged at the right end outside the box body, an air compressor is arranged on the left side of the exhaust fan and inside the box body, an air pipe is arranged at the upper end of the air compressor, the other end of the air pipe is connected with a vortex refrigerator, a guide pipe is arranged at the air outlet end of the vortex refrigerator through a two-way pipe joint, the other end of the guide pipe is connected with a radiator, a protective cover is arranged at the top end of the box body, and a group of universal wheels is arranged at the bottom of the box body. The heat dissipation structure is reasonable in structural design, greatly improves the heat dissipation effect, facilitates later maintenance, ensures the working quality of electrical components, can effectively avoid electrical short circuit accidents to cause potential safety hazards, and is high in practicability.

Description

High-voltage complete power distribution cabinet with cooling function

Technical Field

The invention relates to the technical field of power distribution cabinet devices, in particular to a high-voltage complete power distribution cabinet with a cooling function.

Background

The high-voltage power distribution cabinet is an electrical appliance product which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, and has a voltage grade of 3.6-550 kV, and mainly comprises a high-voltage circuit breaker, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectionalizing device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like. The high-voltage switch manufacturing industry is an important component of the power transmission and transformation equipment manufacturing industry and plays a very important role in the whole power industry. The power distribution cabinet should meet relevant requirements of GB3906-1991 '3-35 kV AC metal enclosed switchgear' standard and comprises a cabinet body and a circuit breaker, wherein the cabinet body comprises a shell, electrical elements (including an insulating part), various mechanisms, secondary terminals, connecting wires and the like.

However, most high-voltage power distribution cabinet sets in the existing market can produce certain heat at during operation, and if the heat is not discharged in time and is cooled down, the temperature rise inside the high-voltage power distribution cabinet sets can be caused, the temperature rise is called as the temperature rise for short, the service performance of the power distribution cabinet can be influenced seriously due to the too large temperature rise, and even an electrical short-circuit accident is caused, thereby causing potential safety hazards.

Disclosure of Invention

The invention aims to provide a high-voltage complete power distribution cabinet with a cooling function, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high-voltage complete power distribution cabinet with a cooling function comprises a box body, wherein a box door is arranged at the left end of the box body through a hinge, a through hole is formed in the left end inside the box body, an interlayer structure is arranged between the outside of the box body and the side wall inside the box body, the interlayer structure is a cooling cavity, an exhaust fan is arranged at the right end outside the box body, the exhaust fan penetrates through the box body, an air compressor is arranged on the left side of the exhaust fan and inside the box body, an air pipe is arranged at the upper end of the air compressor, the air pipe is arranged in the cooling cavity, the other end of the air pipe is connected with a vortex refrigerator, the air outlet end of the vortex refrigerator penetrates through the box body and extends into the cooling cavity, a guide pipe is arranged at the air outlet end of the vortex refrigerator through a two-way pipe joint, the guide pipe is arranged on the side wall of the cooling cavity, the other end of the guide pipe is connected with a radiator, the top end of the box body is provided with a protective cover, and the bottom of the box body is provided with a group of universal wheels.

Preferably, a dust cover is mounted on the outer surface of the exhaust fan and on the right side of the box body.

Preferably, the guide pipe comprises a horizontal pipe and a vertical pipe connected with the horizontal pipe in the vertical direction, and the joint of the horizontal pipe and the vertical pipe is sealed by adopting a sealant.

Preferably, a dust screen is arranged inside the dust cover and on the right side of the exhaust fan.

Preferably, the rear end of the box body is provided with a small cabinet door through a hinge, and the small cabinet door is provided with heat dissipation holes.

Preferably, the vortex refrigerator is provided with filter screens on two sides of the protective cover.

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

1. according to the invention, through the vortex refrigerator designed and installed at the top end of the box body of the power distribution cabinet, air outside the power distribution cabinet can be compressed under the action of the air compressor and the exhaust fan, and enters the vortex refrigerator through the air pipe to generate low-temperature gas which flows to the radiator along with the guide pipe, wherein heat generated by electrical elements inside the box body during working is quickly transferred to the guide pipe through the through hole on the side wall, so that the effect of cooling the inside of the box body is achieved, the occurrence of an electrical short-circuit accident is avoided, and the electric power distribution cabinet has certain practicability.

2. According to the universal wheel, when an operator carries and moves the power distribution cabinet, the power distribution cabinet can be moved through the universal wheel, the carrying and moving convenience is effectively improved, the labor is saved, the whole structure is simple, the design is reasonable, the practicability is high, and the using effect is good.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a high-voltage complete power distribution cabinet with a cooling function according to the present invention;

FIG. 2 is a schematic structural view of the rear end face of a high-voltage complete power distribution cabinet with a cooling function according to the invention;

fig. 3 is an enlarged structural schematic diagram of a position a in a first diagram of a high-voltage complete power distribution cabinet with a cooling function according to the invention;

fig. 4 is an enlarged structural schematic diagram of a high-voltage complete power distribution cabinet with a cooling function at a position B in the first figure.

In the figure: 1. a box body; 2. a box door; 3. a through hole; 4. a cooling cavity; 5. an exhaust fan; 6. an air compressor; 7. an air tube; 8. a vortex refrigerator; 9. a two-way pipe joint; 10. a conduit; 11. a heat sink; 12. a protective cover; 13. a universal wheel; 14. a dust cover; 15. a dust screen; 16. a small cabinet door; 17. heat dissipation holes; 18. and (5) filtering by using a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-voltage complete power distribution cabinet with a cooling function comprises a box body 1, the left end of the box body 1 is hinged with a concealed box door 2 through a hinge, a through hole 3 is formed in the left end of the inside of the box body 1, an interlayer structure is reserved between the outside of the box body 1 and the side wall of the inside of the box body 1, the interlayer structure is a cooling cavity 4, an exhaust fan 5 is fixedly installed at the right end of the outside of the box body 1 through screws, the exhaust fan 5 penetrates through the box body 1, an air compressor 6 is installed on the left side of the exhaust fan 5 and inside the box body 1 through screws, an air pipe 7 is installed at the upper end of the air compressor 6 in a sleeved mode, the air pipe 7 is installed in the cooling cavity 4, the other end of the air pipe 7 is connected with a screw thread in a screwed mode to install a vortex refrigerator 8, the air outlet end of the vortex refrigerator 8 penetrates through the box body 1 and extends into the cooling cavity 4, the air outlet end of the vortex refrigerator 8 is connected with an installation guide pipe 10 through a two-way joint 9, and the guide pipe 10 is installed on the side wall of the cooling cavity 4, the other end of the conduit 10 is connected with a radiator 11, the top end of the box body 1 is fixedly provided with a protective cover 12 by screws, and the bottom of the box body 1 is fixedly provided with a group of universal wheels 13 by welding.

A dust cover 14 is arranged on the outer surface of the exhaust fan 5 and on the right side of the box body 1, so that dust is effectively prevented from entering the box body 1, and the damage of the dust to electrical components is avoided; the guide pipe 10 comprises a horizontal pipe and a vertical pipe which is connected with the horizontal pipe in the vertical direction, and the joint of the horizontal pipe and the vertical pipe is sealed by sealant, so that the good sealing property of the guide pipe 10 is ensured; a dust screen 15 is arranged inside the dust cover 14 and on the right side of the exhaust fan 5, so that good air circulation is ensured; the rear end of the box body 1 is hinged with a small cabinet door 16 through a hinge, and a radiating hole 17 is reserved in a hole formed in the small cabinet door 16, so that equipment such as a radiator 11 and an air compressor 6 can be maintained conveniently, and the radiating hole 17 can keep good radiating performance and improve the radiating performance of the whole device; a filter screen 18 is mounted on the protective hood 12 on both sides of the vortex cooler 8, which ensures that the hot air generated by the vortex cooler 8 is discharged.

The working principle is as follows: when the device is used, the exhaust fan 5 and the air compressor 6 are started, air outside the power distribution cabinet can be compressed under the action of the exhaust fan 5 and the air compressor 6, and enters the vortex refrigerator 8 through the air pipe 7 to generate low-temperature gas which flows to the radiator 11 along with the guide pipe 10, wherein heat generated when electrical components inside the box body 1 work is quickly transferred to the guide pipe 10 through the through hole 3 on the side wall, so that the effect of cooling the inside of the box body 1 is achieved, in addition, the universal wheel 13 arranged at the bottom end of the box body 1 is convenient for operators to conveniently and quickly move and carry the power distribution cabinet, certain convenience is improved, the device has the advantages of reasonable integral design, time and labor saving, simplicity in operation, convenience in use, good using effect and the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a high voltage switchgear complete set with cooling function, includes box (1), its characterized in that: the refrigerator is characterized in that a refrigerator door (2) is arranged at the left end of the refrigerator body (1) through a hinge, a through hole (3) is formed in the left end inside the refrigerator body (1), an interlayer structure is arranged between the outside of the refrigerator body (1) and the side wall inside the refrigerator body (1), the interlayer structure is a cooling cavity (4), an exhaust fan (5) is arranged at the right end outside the refrigerator body (1), the exhaust fan (5) penetrates through the refrigerator body (1), an air compressor (6) is arranged on the left side of the exhaust fan (5) and inside the refrigerator body (1), an air pipe (7) is arranged at the upper end of the air compressor (6), the air pipe (7) is arranged in the cooling cavity (4), a vortex refrigerator (8) is connected to the other end of the air pipe (7), and the air outlet end of the vortex refrigerator (8) penetrates through the refrigerator body (1) and extends into the cooling cavity (4), the end of giving vent to anger of vortex refrigerator (8) connects through two-way pipe joint (9) and is provided with pipe (10), pipe (10) set up in the lateral wall of cooling chamber (4), the other end of pipe (10) is connected and is provided with radiator (11), the top of box (1) is provided with protection casing (12), the bottom of box (1) is provided with a set of universal wheel (13).

2. The high-voltage complete power distribution cabinet with the cooling function according to claim 1, characterized in that: and a dust cover (14) is arranged on the outer surface of the exhaust fan (5) and on the right side of the box body (1).

3. The high-voltage complete power distribution cabinet with the cooling function according to claim 1, characterized in that: the guide pipe (10) comprises a horizontal pipe and a vertical pipe connected with the horizontal pipe in the vertical direction, and the joint of the horizontal pipe and the vertical pipe is sealed by sealant.

4. The high-voltage complete power distribution cabinet with the cooling function according to claim 2, characterized in that: and a dust screen (15) is arranged inside the dust cover (14) and on the right side of the exhaust fan (5).

5. The high-voltage complete power distribution cabinet with the cooling function according to claim 1, characterized in that: the rear end of the box body (1) is provided with a small cabinet door (16) through hinge connection, and heat dissipation holes (17) are formed in the small cabinet door (16).

6. The high-voltage complete power distribution cabinet with the cooling function according to claim 1, characterized in that: and filter screens (18) are arranged on two sides of the vortex refrigerator (8) and on the protective cover (12).