CN212543172U

CN212543172U - External wind circulation cooling type box-type transformer

Info

Publication number: CN212543172U
Application number: CN202021510890.8U
Authority: CN
Inventors: 张海平
Original assignee: Chongqing Chongrui Power Equipment Co ltd
Current assignee: Chongqing Chongrui Power Equipment Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-02-12
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to the technical field of box-type transformers, in particular to an external air circulation cooling box-type transformer, which comprises a box body, wherein an air draft assembly is arranged on the left side wall of the box body and near the bottom end; the inner space of the box body is provided with a cavity communicated with the outside, the top end of the box body is provided with an upper cover, and the front side wall of the box body is provided with two symmetrical box doors. This outer wind circulation cooling formula box transformer, through convulsions subassembly and the air supply passageway that sets up, when the inside heat of box transformer is too high, usable fan is with the inside pumping of wind direction cavity in the box outside, make the inside hot gas flow of cavity increase the flow velocity under the effect of outer wind, and the radiator hole department that sets up from the left and right sides, dispel the heat, and constantly under the condition of carrying outer wind to the cavity inside at the bottom fan, make outer wind constantly circulate in the box inside, and then reach the purpose of cooling to this box transformer, use when being favorable to this box transformer to cool down.

Description

External wind circulation cooling type box-type transformer

Technical Field

The utility model relates to a box transformer technical field specifically is a box transformer of outer wind circulation cooling formula.

Background

The box-type transformer is used as a whole set of distribution equipment and is formed by organically combining a transformer, high-voltage control equipment and low-voltage control equipment. When multiple components inside the box-type transformer work together, large heat can be generated, the heat dissipation speed of the box body can not meet the use requirement completely by means of heat dissipation holes of the box body, circuit aging can be accelerated when the heat inside the box-type transformer is too high, and the use of the box-type transformer is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outer wind circulation cooling formula box transformer to the inside heat of the box transformer that proposes in solving above-mentioned background is too high, and the radiating rate is slow, influences the problem of using.

In order to achieve the above object, the utility model provides a following technical scheme:

an external air circulation cooling type box-type transformer comprises a box body, wherein an air draft assembly is arranged on the left side wall of the box body and close to the bottom end of the box body; the box body is characterized in that a cavity communicated with the outside is formed in the inner space of the box body, an upper cover is arranged at the top end of the box body, two symmetrical box doors are arranged on the front side wall of the box body, a base is further arranged at the bottom end of the box body, an air supply channel is arranged in the inner cavity of the cavity and close to the bottom end, three air supply outlets with the same size are formed in the outer surface of the upper end of the air supply channel, and a protective cover is arranged on the left side wall of the box body and located on the outer side; the air draft assembly comprises a mounting frame arranged on the left side wall of the box body, the mounting frame is located on the inner side of the protective cover, and a fan is arranged on one side, close to the box body, of the mounting frame.

Preferably, the two box doors are hinged with the box body through two hinges with the same type.

Preferably, the left side wall of the box body is provided with an opening at a position close to the bottom end, and the opening and the air draft assembly are located at the same horizontal position.

Preferably, a plurality of heat dissipation holes with the same aperture are formed in the positions, close to the top end, on the outer side walls of the left side and the right side of the box body respectively.

Preferably, the one side of keeping away from the mounting bracket of protection casing and be close to and be equipped with two unidimensional free bearings on the lateral wall of back, two be equipped with the columniform hinge on the free bearing respectively, one side that the mounting bracket was kept away from to the protection casing still is equipped with the cover door, one side that the cover door is close to the free bearing is equipped with two unidimensional lugs, two the through-hole has been seted up on the lug respectively, just the cover door is connected with the hinge rotation through the through-hole on the lug.

Preferably, both sides are equipped with the base respectively around the mounting bracket, just the mounting bracket passes through the base and the bolt fixed mounting of both sides on the left side wall of box.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this outer wind circulation cooling formula box transformer, through convulsions subassembly and the air supply passageway that sets up, when the inside heat of box transformer is too high, usable fan is with the inside pumping of wind direction cavity in the box outside, make the inside hot gas flow of cavity increase the flow velocity under the effect of outer wind, and the radiator hole department that sets up from the left and right sides, dispel the heat, and constantly under the condition of carrying outer wind to the cavity inside at the bottom fan, make outer wind constantly circulate in the box inside, and then reach the purpose of cooling to this box transformer, use when being favorable to this box transformer to cool down.

2. This outer wind circulation cooling formula box transformer, through the protection casing that sets up in the outside of convulsions subassembly, it is abominable when box transformer's external environment, the accessible protection casing protects the convulsions subassembly of inside, makes its safe handling, and then is favorable to prolonging the time that the inside fan of mounting bracket used.

Drawings

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

FIG. 2 is a schematic structural view of the middle box body of the present invention;

FIG. 3 is a schematic structural view of the protective cover of the present invention;

fig. 4 is the structure schematic diagram of the middle ventilation assembly of the present invention.

The various reference numbers in the figures mean:

1. a box body; 10. a cavity; 101. an opening; 102. heat dissipation holes; 11. an upper cover; 12. a box door; 121. a hinge; 13. a base; 14. an air supply channel; 141. an air supply outlet; 15. a protective cover; 151. hinging seat; 152. a hinge shaft; 153. a cover door; 1530. and (4) a bump.

2. An air draft assembly; 21. a mounting frame; 210. a base; 22. a fan.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

an external wind circulation cooling type box-type transformer comprises a box body 1, wherein an air draft assembly 2 is arranged on the left side wall of the box body 1 and close to the bottom end; the inner space of box 1 is equipped with the cavity 10 that is linked together with the external world, and the top of box 1 is equipped with upper cover 11, is equipped with two symmetrical chamber doors 12 on the preceding lateral wall of box 1, and the bottom of box 1 still is equipped with base 13, and through the base 13 that sets up, can prevent in overcast and rainy weather that the rainwater enters into inside cavity 10, influences components and parts work. An air supply channel 14 is arranged in the inner cavity of the cavity 10 and close to the bottom end, three air supply ports 141 with the same size are arranged on the outer surface of the upper end of the air supply channel 14, and external air entering the cavity 10 can be directly blown to the upper side of the cavity 10 through the air supply ports 141 arranged at the upper end of the air supply channel 14, so that the flowing speed of hot air flow is driven. A protective cover 15 is arranged on the left side wall of the box body 1 and positioned on the outer side of the air draft assembly 2, and when the external environment of the box-type transformer is severe, the fan 22 in the mounting frame 21 can be protected through the protective cover 15, so that the damage of the fan is avoided; the air draft assembly 2 comprises a mounting rack 21 arranged on the left side wall of the box body 1, the mounting rack 21 is located on the inner side of the protective cover 15, and a fan 22 is arranged on one side, close to the box body 1, of the mounting rack 21.

In this embodiment, the two doors 12 are hinged to the box body 1 through two hinges 121 of the same type, so that the doors 12 can be opened to inspect components inside the box body 1.

Besides, the opening 101 is arranged on the left side wall of the box body 1 and close to the bottom end, the opening 101 and the air draft assembly 2 are located on the same horizontal position, and the inside of the mounting frame 21 is communicated with the cavity inside the cavity 10 through the opened opening 101.

Furthermore, a plurality of heat dissipation holes 102 with the same aperture are respectively formed in the outer side walls of the left side and the right side of the box body 1 and in the positions close to the top end, so that the heat dissipation speed can be increased through the additionally arranged heat dissipation holes 102, and the cooling speed in the box body 1 is increased.

Specifically, one side of the protection cover 15, which is far away from the mounting frame 21, is close to the rear side wall and is provided with two hinge seats 151 with the same size, two hinge seats 151 are respectively provided with a cylindrical hinge shaft 152, one side of the protection cover 15, which is far away from the mounting frame 21, is further provided with a cover door 153, one side of the cover door 153, which is close to the hinge seats 151, is provided with two bumps 1530 with the same size, two bumps 1530 are respectively provided with a through hole, the cover door 153 is rotatably connected with the hinge shaft 152 through the through hole on the bump 1530, the bottom of the protection cover 15 is communicated with the outside, so that the wind 22 can.

It should be noted that the front and rear sides of the mounting frame 21 are respectively provided with a base 210, and the mounting frame 21 is fixedly mounted on the left side wall of the box body 1 through the bases 210 on the two sides and the bolts, and the fan 22 can be conveniently and fixedly mounted on the outer side of the opening 102 through the mounting frame 21.

It should be noted that the fan 22 is conventional and will not be described in detail herein.

The box transformer of outer wind circulation cooling formula of this embodiment is when using, earlier with fan 22 and the inside switch on of box transformer, when the inside heat of box 1 is too high, start fan 22, utilize fan 22 to suck the inside to air supply channel 14 with outer wind, get into the inside outer wind of air supply channel 14, blow to the top of cavity 10 through supply-air outlet 141, when outer wind upwards blows in supply-air outlet 141 department, the inside heat velocity of flow of cavity 10 is under the effect of outer wind, accelerate to flow, and dispel to the outside from the louvre 102 department of the box 1 left and right sides, and box 1 bottom fan 22 is under the condition of constantly to the inside transport outer wind of cavity 10, make outer wind constantly circulate in cavity 10 inside, and then reach the purpose to the box transformer cooling.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an outer wind circulation cooling formula box transformer, includes box (1), its characterized in that: an air draft assembly (2) is arranged on the left side wall of the box body (1) and close to the bottom end; the air exhaust device is characterized in that a cavity (10) communicated with the outside is arranged in the inner space of the box body (1), an upper cover (11) is arranged at the top end of the box body (1), two symmetrical box doors (12) are arranged on the front side wall of the box body (1), a base (13) is further arranged at the bottom end of the box body (1), an air supply channel (14) is arranged in the inner cavity of the cavity (10) and in a position close to the bottom end, three air supply outlets (141) with the same size are arranged on the outer surface of the upper end of the air supply channel (14), and a protective cover (15) is arranged on the left side wall of the box body (1) and on the; convulsions subassembly (2) is including setting up mounting bracket (21) on box (1) left side wall, just mounting bracket (21) are located protection casing (15) inboardly, one side that mounting bracket (21) are close to box (1) is equipped with fan (22).

2. The external air circulation cooling type box transformer of claim 1, wherein: the two box doors (12) are hinged with the box body (1) through two hinges (121) with the same type.

3. The external air circulation cooling type box transformer of claim 1, wherein: the air exhaust box is characterized in that an opening (101) is formed in the position, close to the bottom end, of the left side wall of the box body (1), and the opening (101) and the air exhaust assembly (2) are located on the same horizontal position.

4. The external air circulation cooling type box transformer of claim 1, wherein: the outer side walls of the left side and the right side of the box body (1) are respectively provided with a plurality of heat dissipation holes (102) with the same aperture at positions close to the top end.

5. The external air circulation cooling type box transformer of claim 1, wherein: one side of keeping away from mounting bracket (21) of protection casing (15) and be close to and be equipped with two unidimensional free bearing (151), two on the free bearing (151) respectively be equipped with columniform hinge (152), one side of keeping away from mounting bracket (21) of protection casing (15) still is equipped with cover door (153), one side that cover door (153) are close to free bearing (151) is equipped with two unidimensional lug (1530), two the through-hole has been seted up respectively on lug (1530), just cover door (153) are connected with hinge (152) rotation through the through-hole on lug (1530).

6. The external air circulation cooling type box transformer of claim 1, wherein: base (210) are equipped with respectively in both sides around mounting bracket (21), just mounting bracket (21) are through base (210) and the bolt fixed mounting of both sides on the left side wall of box (1).