CN220456979U - Environment-friendly gas-insulated switchgear - Google Patents

Abstract

The utility model discloses an environment-friendly gas-insulated switchgear, which comprises an outer box body and a switchgear main body. According to the utility model, the cooling spray head, the liquid cooling pipe and the inner gas pipe are adopted, in the actual use process, the low-temperature gas can be sprayed to the surface position of the switch cabinet through the cooling spray head which is arranged in a surrounding manner, so that the cooling operation of the outer surface is realized, the cooling purpose from outside to inside is achieved, the liquid cooling pipe and the inner gas pipe are arranged in the switch cabinet, the baffle plates and the folding pipes are respectively arranged on the surfaces of the liquid cooling pipe and the inner gas pipe, the retention time of a cooling medium can be effectively prolonged, the contact area of the cooling medium and heat is enlarged, the moving path of the cooling medium is enlarged, the integral cooling effect is improved, the integral cooling effect can be improved through a plurality of groups of different cooling structures in the device, the damage of internal electrical equipment is avoided, and the cooling device has the advantages of long cooling medium retention time, good cooling effect and various cooling types.

Description

Environment-friendly gas-insulated switchgear

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to an environment-friendly gas-insulated switch cabinet.

Background

The switch cabinet is an electrical device and mainly has the functions of opening and closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of a power system, wherein the outer line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement, wherein the gas-insulated switch cabinet adopts SF6 gas, N2 gas or mixed gas with low pressure as an insulating medium of the switch device.

The prior art has the following publication numbers: CN216215300U is a novel environment-friendly gas-insulated switchgear, comprising a cabinet body, wherein a containing cavity is arranged in the cabinet body; an upper top plate and a lower bottom plate are fixedly connected to the inside of the accommodating cavity, a plurality of heat dissipation cylinders are fixedly connected between the upper top plate and the lower bottom plate, the heat dissipation cylinders penetrate through the upper top plate and the lower bottom plate, an upper connecting pipe and a lower connecting pipe are fixedly communicated with the upper end and the lower end of each heat dissipation cylinder respectively, and the upper connecting pipe and the lower connecting pipe penetrate through the accommodating cavity and extend to the outside to be fixedly communicated with a water circulation mechanism; the bottom end of the upper top plate is fixedly connected with a convection mechanism, and the convection mechanism is matched with the heat dissipation cylinder. According to the utility model, the convection mechanism is arranged, so that the gas in the accommodating cavity can flow downwards along the cooling cylinder from top to bottom, and then form convection with the cooling liquid flowing from bottom to top in the cooling cylinder, so that the heat exchange efficiency of the cooling cylinder and the cooling cylinder is higher, and further, the better heat dissipation can be realized.

The above patent still has certain drawbacks in use: the heat dissipation treatment is carried out on the inside of the switch cabinet through the water circulation mechanism, but the heat dissipation mechanism is single, the heat dissipation barrel is directly up and down, the retention time of the cooling medium is short, the contact time with heat is short, the contact surface is small, the whole heat transfer is not very sufficient, and the whole heat dissipation effect is not very ideal.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an environment-friendly gas-insulated switch cabinet, which has the advantages of long retention time of cooling medium, good cooling effect and various cooling types, thereby solving the problems in the background art.

(II) technical scheme

In order to realize the advantages of long retention time, good cooling effect and various cooling types of the cooling medium, the utility model adopts the following specific technical scheme:

the utility model provides an environmental protection gas-insulated switchgear, includes outer box and cubical switchboard main part, the inside intermediate position fixed mounting of outer box has the cubical switchboard main part, a plurality of sets of cooling plates are encircled to the inside surface position of outer box, a plurality of sets of cooling shower nozzles are evenly installed to cooling plate surface position, liquid cooling pipe and interior gas-supply pipe are installed respectively to the inside one side surface position of cubical switchboard main part, the inside intermediate position of liquid cooling pipe is equipped with a plurality of sets of flow distribution plates, flow distribution plate both ends are located liquid cooling pipe surface position symmetry and are equipped with the baffling board, the baffling board is hollow structure, interior gas-supply pipe both sides surface position symmetry installs the folding pipe, the folding pipe is hollow structure, interior gas-supply pipe both ends run through cubical switchboard main part both sides and are connected with first outer gas-supply pipe and second outer gas-supply pipe respectively, first outer gas-supply pipe and second outer gas-supply pipe are connected both ends through the tee bend and are connected with the air cooling box, the air cooling box is located outer surface position of outer box, air cooling box one side is equipped with the air-blower, air cooling box both sides surface position is equipped with the group's semiconductor cooling piece, and the cold junction is located the semiconductor cooling box outside.

Further, the refrigerator set is fixedly arranged at the top of the outer box body, two ends of the refrigerator set are respectively connected with the cooling plate through pipelines, and an air pump is arranged at the pipeline.

Furthermore, a circulating water tank is arranged at the surface position of one side of the outer box body, two ends of the circulating water tank are connected with the liquid cooling pipe through pipelines, and a water pump is arranged between the pipelines.

Further, a base is fixedly arranged at the bottom of the outer box body.

Further, the liquid cooling pipe and the inner gas transmission pipe penetrate through two ends of the switch cabinet main body, and the connecting part is of a welding sealing structure.

Further, a plurality of groups of grooves for cooling liquid diversion are formed in the surface of the diversion plate.

Further, a plurality of groups of gas check valves are arranged in the first outer gas pipe, the second outer gas pipe and the inner gas pipe.

Further, the switch cabinet main body is composed of an environment-friendly gas-insulated switch cabinet.

(III) beneficial effects

Compared with the prior art, the utility model provides an environment-friendly gas-insulated switchgear, which has the following beneficial effects:

(1) According to the utility model, the cooling spray head, the liquid cooling pipe and the inner gas pipe are adopted, in the actual use process, the low-temperature gas can be sprayed to the surface position of the switch cabinet through the cooling spray head which is arranged in a surrounding manner, so that the cooling operation of the outer surface is realized, the cooling purpose from outside to inside is achieved, the liquid cooling pipe and the inner gas pipe are arranged in the switch cabinet, the baffle plates and the folding pipes are respectively arranged on the surfaces of the liquid cooling pipe and the inner gas pipe, the retention time of a cooling medium can be effectively prolonged, the contact area of the cooling medium and heat is enlarged, the moving path of the cooling medium is enlarged, the integral cooling effect is improved, the integral cooling effect can be improved through a plurality of groups of different cooling structures in the device, the damage of internal electrical equipment is avoided, and the cooling device has the advantages of long retention time of the cooling medium, good cooling effect and various cooling types.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an environment-friendly gas-insulated switchgear according to the present utility model;

FIG. 2 is a schematic view of the structure of the diverter plate of the present utility model;

FIG. 3 is a schematic view of the structure of the baffle of the present utility model;

FIG. 4 is a schematic illustration of the connection of the inner gas conduit and the folded conduit of the present utility model.

In the figure:

1. an outer case; 2. a cooling plate; 3. cooling the spray head; 4. a semiconductor refrigeration sheet; 5. a blower; 6. a first outer gas delivery conduit; 7. a switch cabinet body; 8. a liquid-cooled tube; 9. a baffle plate; 10. a refrigerating unit; 11. a diverter plate; 12. an inner gas pipe; 13. folding the tube; 14. a second outer gas delivery conduit; 15. a circulation water tank; 16. an air cooling box; 17. a water pump; 18. and (5) a base.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the utility model, an environment-friendly gas-insulated switchgear is provided.

The utility model is further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-4, an environment-friendly gas-insulated switchgear according to the embodiment of the utility model comprises an outer cabinet body 1 and a switchgear main body 7, wherein the switchgear main body 7 is fixedly arranged at the middle position inside the outer cabinet body 1, a plurality of groups of cooling plates 2 are circumferentially arranged at the inner surface position of the outer cabinet body 1, a plurality of groups of cooling spray heads 3 are uniformly arranged at the surface position of the cooling plates 2, a liquid cooling pipe 8 and an inner air pipe 12 are respectively arranged at the surface position of one side inside the switchgear main body 7, a plurality of groups of flow dividing plates 11 are arranged at the middle position inside the liquid cooling pipe 8, two ends of the flow dividing plates 11 are symmetrically provided with baffle plates 9 at the surface position of the liquid cooling pipe 8, the two ends of the inner air pipe 12 are symmetrically provided with folding pipes 13, the folding pipes 13 are of hollow structures, the two ends of the inner air pipe 12 penetrate through the two sides of the switchgear main body 7 and are respectively connected with a first outer air pipe 6 and a second outer pipe 14, the two ends of the first outer pipe 6 are respectively connected with the cooling plates 14 through a three-way pipe 16, the inner side of the cooling plate 16 is respectively, the two ends of the first outer pipe 14 are respectively connected with the cooling plates are arranged at the surface position of the cooling plate 16, the inner side of the cooling plate 16 is provided with the cooling plate 16, the semiconductor cooling plate 16 is arranged at the outer side of the cooling plate 16, the two sides of the semiconductor cooling plate 16 is arranged at the outer side of the cooling plate 16 is at the side of the cooling plate 16, and the cooling plate 16 is arranged at the cooling plate 16, and the cooling plate 16 is at the two side of the cooling plate 16 side, and the cooling plate is provided with the cooling semiconductor cooling plate, and the cooling plate is provided with the cooling effect, and the cooling semiconductor 4 is provided with the cooling effect.

In one embodiment, the refrigerating unit 10 is fixedly installed at the top of the outer box 1, two ends of the refrigerating unit 10 are respectively connected with the cooling plate 2 through pipelines, and air pumps are arranged at the pipelines and are used for conveying low-temperature gas, so that the flow of the gas is ensured.

In one embodiment, a circulation water tank 15 is installed at a surface position on one side of the outer tank body 1, two ends of the circulation water tank 15 are connected with the liquid cooling pipe 8 through pipelines, a water pump 17 is arranged between the pipelines, the water pump 17 is used for pumping cooling liquid, and a structure for re-cooling the cooling liquid is arranged in the circulation water tank 15, and because water cooling is an existing mature technology, excessive description is omitted.

In one embodiment, the base 18 is fixedly installed at the bottom of the outer case 1, and the whole device can be fixed through the base 18, so that the whole use stability is enhanced.

In one embodiment, the liquid cooling pipe 8 and the inner gas pipe 12 penetrate through two ends of the switch cabinet main body 7, and the connection part is of a welded sealing structure, so that the welded sealing of the connection part is used for avoiding the environment-friendly gas inside the gas-insulated switch cabinet from overflowing, and the actual use effect is ensured.

In one embodiment, the surface of the flow dividing plate 11 is provided with a plurality of groups of grooves for dividing the cooling liquid, and the falling cooling liquid can be dispersed through the flow dividing plate 11, so that the cooling liquid can fall from the middle and two side positions, the contact area with heat is enlarged, the retention time is prolonged, and the overall cooling effect is improved.

In one embodiment, the first outer air pipe 6, the second outer air pipe 14 and the inner air pipe 12 are internally provided with a plurality of groups of air check valves, the arrangement of the air check valves is to avoid the mixing of low-temperature air and high-temperature air, ensure the integral air cooling effect, and all the positions of the device inside which are set to the air flowing are provided with air outlets through pipelines, so that hot air is led out, the positions of the air outlets of different pipelines can be correspondingly set according to personnel requirements and the trend of the pipelines, and excessive redundant description is not needed here because the arrangement of the air outlets is the basic knowledge and basic skills of the personnel in the field.

In one embodiment, the switch cabinet body 7 is constituted by an environmentally friendly gas insulated switch cabinet.

Working principle: in the in-service use, the peripheral parcel of environmental protection gas-insulated switchgear has a set of outer box 1 still, through the cooling shower nozzle 3 spun low temperature gas that the inside surface of outer box 1 encircleed the setting, can realize the cooling operation to the cubical switchboard surface, and then realize from outside to interior cooling, improve holistic cooling effect, and the inside position of cubical switchboard main part 7 runs through and is equipped with multiunit liquid cooling tube 8 and interior gas-supply pipe 12, the inside heat that produces of cabinet body can be absorbed through the coolant liquid that flows of liquid cooling tube 8, and the inside division board 11 that is equipped with of liquid cooling tube 8, can shunt the inside baffling pipe of both sides with the coolant liquid through the reposition of redundant personnel of division board 11, on the one hand can increase the area of contact of coolant liquid and inside heat, on the other hand can prolong the save time of coolant liquid through the structure of buckling, be convenient for better carry out the transfer of heat, improve holistic cooling effect, the inside also flows the inside low temperature gas that has the inside wind cooling box 16 inside leading-in from the outside surface position of outer box 1, can realize the heat and the inside through low temperature gas and folding tube 13, and can also realize the inside the heat and be equipped with the inside and the inside heat absorption device of the cooling device of multiunit, the inside heat dissipation device, the cooling effect can be avoided, the whole cooling device has the inside heat dissipation effect, the cooling device is good, and the cooling effect is avoided, the whole cooling device is long, and the cooling effect can be broken inside the cooling device, and has the cooling effect.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides an environment-friendly gas-insulated switchgear, includes outer box (1) and cubical switchboard main part (7), its characterized in that, the inside intermediate position fixed mounting of outer box (1) has cubical switchboard main part (7), a plurality of groups cooling plate (2) are encircled to the inside surface position of outer box (1), a plurality of groups cooling shower nozzle (3) are evenly installed to cooling plate (2) surface position, liquid cooling pipe (8) and interior gas-supply pipe (12) are installed respectively to the inside one side surface position of cubical switchboard main part (7), liquid cooling pipe (8) inside intermediate position is equipped with a plurality of group flow distribution plates (11), flow distribution plate (11) both ends are located liquid cooling pipe (8) surface position symmetry and are equipped with baffling board (9), baffling board (9) are hollow structure, folding pipe (13) are installed to interior gas-supply pipe (12) both sides surface position symmetry, folding pipe (13) are hollow structure, interior pipe (12) both ends run through cubical switchboard main part (7) both sides respectively with first outer pipe (6) and second outer pipe (14) and second outer pipe (16) are connected with outer air-supply pipe (16) and outer air-supply pipe (16) are located outside air-supply box (1), the air-cooled refrigerator is characterized in that a blower (5) is arranged on one side of the air-cooled refrigerator (16), a plurality of groups of semiconductor refrigerating sheets (4) are symmetrically arranged on the surfaces of two sides of the air-cooled refrigerator (16), the cold ends of the semiconductor refrigerating sheets (4) are located inside the air-cooled refrigerator (16), and the hot ends of the semiconductor refrigerating sheets are located outside the air-cooled refrigerator (16).

2. The environment-friendly gas-insulated switchgear according to claim 1, wherein a refrigerating unit (10) is fixedly installed at the top of the outer box body (1), two ends of the refrigerating unit (10) are respectively connected with the cooling plate (2) through pipelines, and an air pump is arranged at the pipeline.

3. The environment-friendly gas-insulated switchgear according to claim 1, wherein a circulating water tank (15) is installed on one side surface of the outer box body (1), two ends of the circulating water tank (15) are connected with the liquid cooling pipe (8) through pipelines, and a water pump (17) is arranged between the pipelines.

4. An environment-friendly gas-insulated switchgear according to claim 1, characterized in that the bottom of the outer box (1) is fixedly provided with a base (18).

5. The environment-friendly gas-insulated switchgear according to claim 1, wherein the liquid cooling pipe (8) and the inner gas pipe (12) penetrate through two ends of the switchgear main body (7), and the connection part is of a welded sealing structure.

6. An environmentally friendly gas insulated switchgear as claimed in claim 1, wherein the surface of the diverter plate (11) is provided with a plurality of sets of grooves for diverting the coolant.

7. An environment-friendly gas-insulated switchgear according to claim 1, characterized in that the first outer gas pipe (6), the second outer gas pipe (14) and the inner gas pipe (12) are internally provided with several sets of gas check valves.

8. An environmentally friendly gas insulated switchgear according to claim 1, characterized in that the switchgear body (7) is constituted by an environmentally friendly gas insulated switchgear.