CN217036409U

CN217036409U - Ring main unit with moisture-proof function for power system

Info

Publication number: CN217036409U
Application number: CN202220223627.3U
Authority: CN
Inventors: 许其军
Original assignee: Shenzhen Fudi New Energy Technology Co ltd
Current assignee: Shenzhen Fudi New Energy Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-22
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to the technical field of power equipment, and discloses a ring main unit with a damp-proof function for a power system, which comprises a cabinet body, wherein the top end of the cabinet body is fixedly connected with a ceiling, air inlet holes are formed in two sides of the ceiling, a cavity is formed in the ceiling, a filtering device which is in sliding connection with the cabinet body is arranged at the bottom end of the cavity in a matched mode, the filtering device is symmetrically arranged, an air outlet is formed in the lower end of one side of the cabinet body, and a fan is fixedly connected to the inner side of the air outlet. This kind of looped netowrk cabinet for electric power system with dampproofing function because the fresh air inlet keeps away from ground, consequently follows the air that the fresh air inlet got into most and be the air of relative drying, under the drive of fan, these air of relative drying can take away vapor in getting into the cabinet body, flows out from the air outlet at last to reduce the humidity of the internal portion of cabinet, reduce the probability of condensation.

Description

Ring main unit with moisture-proof function for power system

Technical Field

The utility model relates to the technical field of power equipment, in particular to a ring main unit with a moisture-proof function for a power system.

Background

The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse. The transformer substation is widely used in distribution stations and box-type substations of load centers such as urban residential districts, high-rise buildings, large public buildings, factories and enterprises.

Because the cable shaft at the bottom of the existing ring main unit is extremely wet, moisture in the cable shaft can often enter the ring main unit, and the moisture is easy to condense in the ring main unit, so that insulation reduction is easily caused, and the normal use of the ring main unit is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the ring main unit with the moisture-proof function for the power system, and solves the problems in the prior art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a looped netowrk cabinet for electric power system with dampproofing function, includes the cabinet body, the top rigid coupling of the cabinet body has the ceiling, the fresh air inlet has been seted up to the both sides of ceiling, the cavity has been seted up to the inside of ceiling, the bottom of cavity match be provided with cabinet body sliding connection's filter equipment, the filter equipment symmetry sets up, the air outlet has been seted up to the lower extreme of cabinet body one side, the inboard rigid coupling of air outlet has the fan.

Preferably, a transparent glass plate is fixedly connected to the top end of the ceiling, a heat absorbing plate matched with the transparent glass plate is fixedly connected to the interior of the ceiling, a radiating fin is fixedly connected to the bottom end of the heat absorbing plate, and a solar selective absorbing coating is coated on the top end of the heat absorbing plate.

Preferably, the top and the bottom of filter equipment all are equipped with the filter screen, the filter screen and the filter equipment on filter equipment top rotate to be connected, it has the active carbon to fill between the filter screen.

Preferably, a handle groove is formed in one end of the filtering device, a connecting plate is fixedly connected to one side of the filtering device, and the connecting plate is arranged in an L shape.

Preferably, the cross section of the ceiling is tapered.

Preferably, a base is fixedly connected to the bottom end of the cabinet body, and the base is of a frame structure.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. this kind of looped netowrk cabinet for electric power system with dampproofing function because the fresh air inlet keeps away from ground, consequently follows the air that the fresh air inlet got into most and be the air of relative drying, under the drive of fan, these air of relative drying can take away vapor in getting into the cabinet body, flows out from the air outlet at last to reduce the humidity of the internal portion of cabinet, reduce the probability of condensation.

2. This kind of looped netowrk cabinet for electric power system with dampproofing function absorbs sunshine through the absorber plate and heaies up, then heats the air that gets into the cabinet body through the fin is exothermic, prevents that air temperature from crossing lowly and leading to the vapor condensation, and filter equipment plays filtered air's effect simultaneously, prevents that the dust in the air from getting into in the cabinet body.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a cross-sectional view of the present invention in its entirety;

FIG. 3 is a schematic view of a partial structure of the heat absorbing plate and the heat dissipating fin of the present invention;

fig. 4 is a schematic structural diagram of the filtering device of the present invention.

In the figure: 1. a cabinet body; 2. a base; 3. a ceiling; 4. a transparent glass plate; 5. an air inlet hole; 6. a heat absorbing plate; 7. a heat sink; 8. a filtration device; 9. an air outlet; 10. a fan; 801. filtering with a screen; 802. a connecting plate.

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.

Examples

Referring to fig. 1-4, a ring main unit for an electric power system with a damp-proof function includes a cabinet body 1, a ceiling 3 is fixedly connected to a top end of the cabinet body 1, air inlet holes 5 are formed in two sides of the ceiling 3, a cavity is formed in the ceiling 3, a filtering device 8 slidably connected to the cabinet body 1 is disposed at a bottom end of the cavity in a matching manner, the filtering device 8 is symmetrically disposed, an air outlet 9 is formed in a lower end of one side of the cabinet body 1, a fan 10 is fixedly connected to an inner side of the air outlet 9, external relatively dry air enters from the air inlet holes 5, and under the driving of the fan 10, the relatively dry air takes away water vapor in the cabinet body 1 and finally flows out from the air outlet 9, so that humidity in the cabinet body 1 is reduced, and the probability of condensation is reduced.

As shown in fig. 1, 2 and 3, further, the top of ceiling 3 is fixedly connected with transparent glass plate 4, the inside fixedly connected with of ceiling 3 has absorber plate 6 with transparent glass plate 4 assorted, the bottom rigid coupling of absorber plate 6 has fin 7, the top of absorber plate 6 scribbles the sun selective absorption coating, absorb sunshine through absorber plate 6 and heat up, then release heat through fin 7 and heat the air that gets into cabinet body 1, prevent that the air temperature from crossing low and leading to the condensation of vapor.

As shown in fig. 1, 2 and 4, further, the top end and the bottom end of the filtering device 8 are both provided with filter screens 801, the filter screens 801 at the top end of the filtering device 8 are rotatably connected with the filtering device 8, activated carbon is filled between the filter screens 801, dust in air is filtered through the filter screens 801, meanwhile, water vapor is absorbed by the activated carbon filled inside at night, and the air is dried by the heated air in the daytime, so that the probability of water vapor condensation is reduced.

As shown in fig. 1, 2 and 4, further, a handle groove is provided at one end of the filtering device 8, a connecting plate 802 is fixedly connected to one side of the filtering device 8, the connecting plate 802 is in an L-shaped arrangement, the filtering devices 8 which are symmetrically arranged are spliced with each other conveniently, and dust is prevented from entering the cabinet body 1.

As shown in fig. 1 and 2, the ceiling 3 is further provided with a tapered cross section to increase the area of sunlight.

As shown in fig. 1 and 2, further, a base 2 is fixedly connected to the bottom end of the cabinet 1, and the base 2 is of a frame structure, so as to prevent water vapor from accumulating at the bottom of the cabinet 1 to cause the cabinet 1 to be corroded and damaged.

The working principle is as follows: outside relative drying's air gets into from fresh air inlet 5, under the drive of fan 10, vapor can be taken away after getting into the cabinet body 1 to these relative drying's air, flow from air outlet 9 at last, thereby reduce the humidity of the internal portion of cabinet, reduce the probability of condensation, absorber plate 6 absorbs sunshine on daytime and heaies up, then heat the air that gets into the cabinet body 1 through fin 7, prevent that air temperature from crossing low and leading to the vapor condensation, the active carbon who fills in the filter equipment 8 at night then can absorb partial steam, reduce the condensation probability, and the air after 7 heats of fin on daytime also can be dried the active carbon who absorbs steam night, be convenient for absorb steam night.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a looped netowrk cabinet for electric power system with dampproofing function, includes the cabinet body (1), its characterized in that, the top rigid coupling of the cabinet body (1) has ceiling (3), fresh air inlet (5) have been seted up to the both sides of ceiling (3), the cavity has been seted up to the inside of ceiling (3), and the bottom of cavity matches and is provided with filter equipment (8) with cabinet body (1) sliding connection, filter equipment (8) symmetry sets up, air outlet (9) have been seted up to the lower extreme of the cabinet body (1) one side, the inboard rigid coupling of air outlet (9) has fan (10).

2. The ring main unit as claimed in claim 1, wherein a transparent glass plate (4) is fixed to a top end of the ceiling (3), a heat absorbing plate (6) matched with the transparent glass plate (4) is fixed to an inside of the ceiling (3), a heat dissipating fin (7) is fixed to a bottom end of the heat absorbing plate (6), and a solar selective absorption coating is coated on a top end of the heat absorbing plate (6).

3. The ring main unit with the moisture-proof function for the power system as claimed in claim 1, wherein the top end and the bottom end of the filtering device (8) are both provided with a filter screen (801), the filter screen (801) at the top end of the filtering device (8) is rotatably connected with the filtering device (8), and activated carbon is filled between the filter screens (801).

4. The ring main unit with the moisture-proof function for the power system as claimed in claim 1, wherein a handle groove is formed at one end of the filtering device (8), a connecting plate (802) is fixedly connected to one side of the filtering device (8), and the connecting plate (802) is in an L-shaped arrangement.

5. The ring main unit with moisture protection function for the power system as claimed in claim 1, wherein the cross section of the ceiling (3) is tapered.

6. The ring main unit with the moisture-proof function for the power system as claimed in claim 1, wherein a base (2) is fixedly connected to a bottom end of the main unit (1), and the base (2) is a frame structure.