CN218844650U

CN218844650U - Roof fan structure of prefabricated substation

Info

Publication number: CN218844650U
Application number: CN202222717647.9U
Authority: CN
Inventors: 赵溢洲; 王玲; 戴佳楠; 陆利明
Original assignee: Hangzhou Qiantang River Electric Group Co Ltd
Current assignee: Hangzhou Qiantang River Electric Group Co Ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-04-11
Anticipated expiration: 2032-10-13

Abstract

The patent of the utility model relates to a prepackage type transformer substation roof fan structure especially relates to an axial-flow type roof fan of prepackage type transformer substation roof fan structure, including the european style case variant, the top of european style case variant is equipped with the air flow that is used for accelerating the european style case variant cavity and discharges with fan subassembly and the fan subassembly that the cavity of european style case variant is linked together. This prepackage type transformer substation roof fan structure compares with prior art, it is external through carrying out the fan body, through installing the hood on the fan body, in order to prevent into water, fan body air-out direction is directly blown the sky, by the air inlet shutter department air inlet in the european style case variant, go up fan body air-out, lean on the mobility of air to take away a large amount of heats of transformer room, this structure has improved the case and has become heat-sinking capability greatly, be applicable to the ventilation in big heat place, be particularly suitable for the prepackage type transformer substation (european style case variant) ventilation cooling of large capacity.

Description

Roof fan structure of prefabricated substation

Technical Field

The patent of the utility model relates to a prefabricated substation roof fan structure especially relates to an axial-flow type roof fan of prefabricated substation roof fan structure.

Background

The preassembled transformer substation (European box transformer substation) is hereinafter called as European transformer, the European transformer housing and a fan mounting device arranged on the European transformer housing are different from the heat dissipation mode of a conventional fan, 2 heat dissipation modes are adopted conventionally, one mode is natural ventilation and heat dissipation of a louver, the other mode is forced refrigeration of the fan, but the conventional fan is forced refrigeration, the fan is placed in the box transformer substation and is equivalent to indoor use, the wind direction is exhausted outwards from the box transformer substation, but the wind direction is exhausted outwards from the box transformer substation because the fan exhausts outwards in the box transformer substation and is influenced by the louver when exhausting outwards, and the air outlet efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a prefabricated substation roof fan structure has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a roof fan structure of a pre-installed transformer substation comprises a European-style box variant, wherein a fan assembly communicated with a cavity of the European-style box variant is arranged above the European-style box variant and is used for accelerating air flow of the European-style box variant cavity and discharging the air.

Preferably, a plurality of fan assemblies communicated with the cavity of the European box variant are arranged on the top cover of the European box variant; the fan assembly comprises a fan body, wherein a ventilation hole channel is formed in the air outlet hole of the European box body, and the ventilation hole channel upwards extends to be connected with the air inlet end of the fan body.

Preferably, the fan body is installed on the top end of the ventilation duct through a rivet, an air inlet duct connected with the air outlet of the European box type body is arranged at an air inlet end of the ventilation duct, and an air cap connected with the fan body is arranged at an air outlet end of the fan body.

Preferably, be equipped with the dust screen between the air-out end of the air inlet end of fan body and ventilation duct, be equipped with between hood and the fan body and block the net, the cross sectional shape in air inlet duct is the loudspeaker form, is the loudspeaker form the big terminal surface in air inlet duct links to each other with the exhaust vent of the european style case variant, is the loudspeaker form the little terminal surface in air inlet duct links to each other with the air inlet end of ventilation duct.

Preferably, the hood is the back-off formula and sets up in the top of fan body, the diameter of arresting net and dust screen all is greater than the inside diameter of fan body.

Preferably, an air inlet shutter corresponding to an air outlet hole of the European-style box variant is arranged in the European-style box variant, and an air conditioner external unit is arranged outside the European-style box variant and is mounted through a triangular bracket.

Preferably, the cross-sectional shape of the top cover of the European style box variant is triangular.

Preferably, the fan body is an axial flow fan.

Preferably, ventilation volume of the fan body is 1650 m/h, and the model of the fan body is DWT-1-10.

The fan body is a roof fan, and the top of the fan is provided with an inverted-buckle type hood, so that the fan can be directly used outdoors without water inflow. Original fan body dress is in the case becomes, is unfavorable for the heat to be discharged, and ventilation effect and air volume are not as early as the fan body is external, and the air is that cold air descends, and hot-air rises, installs the fan body on the top cap, and fan air-out direction is towards the sky, and by below shutter department air inlet, lean on the flow of fan air-out production air to take away a large amount of heats of transformer room to because the fan is external not blockking, the radiating effect is better.

This prepackage type transformer substation roof fan structure compares with prior art, it is external through carrying out the fan body, through installing the hood on the fan body, in order to prevent into water, fan body air-out direction is directly blown the sky, by the air inlet shutter department air inlet in the european style case variant, go up fan body air-out, lean on the mobility of air to take away a large amount of heats of transformer room, this structure has improved the case greatly and has become heat-sinking capability, be applicable to the ventilation in big heat place, be particularly suitable for the prepackage type transformer substation (european style case variant) ventilation cooling of large capacity.

Drawings

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

FIG. 2 is a side view of the present invention schematically showing the structure of FIG. 1;

fig. 3 is a schematic structural view of an air outlet of the european style box transformer substation of the present invention;

fig. 4 is the structure schematic diagram of the inside of the fan body of the utility model.

In the figure: 1. a european style box variant; 2. a fan assembly; 3. a fan body; 4. a ventilation duct; 5. a hood; 6. an air inlet duct; 7. a barrier net; 8. and (4) a dust screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a roof fan structure of a pre-installed substation comprises a European-style box variant 1, wherein an air inlet shutter corresponding to an air outlet hole of the European-style box variant 1 is arranged in the European-style box variant 1, an air conditioner external unit is arranged outside the European-style box variant 1 and is installed through a triangular support, the cross section of a top cover of the European-style box variant 1 is triangular, a fan assembly 2 communicated with a cavity of the European-style box variant 1 is arranged above the European-style box variant 1, the fan assembly 2 is used for accelerating air flow of the cavity of the European-style box variant 1 and discharging the air, and a plurality of fan assemblies 2 communicated with the cavity of the European-style box variant 1 are arranged on the top cover of the European-style box variant 1; the fan component 2 comprises a fan body 3, the ventilation volume of the fan body is 1650 m/h, the model of the fan body is DWT-1-10, the fan body 3 is an axial-flow fan, a ventilation duct 4 is arranged on an air outlet of the European box variant 1, the ventilation duct 4 extends upwards to be connected with an air inlet end of the fan body 3, the fan body 3 is arranged at the top end of the ventilation duct 4 through a rivet, an air inlet duct 6 connected with the air outlet of the European box variant 1 is arranged at the air inlet end of the ventilation duct 4, an air outlet end of the fan body 3 is provided with an air cap 5 connected with the fan body 3, the hood 5 is the back-off formula and sets up in the top of fan body 3, the diameter of arresting net 7 and dust screen 8 all is greater than the inside diameter of fan body 3, be equipped with dust screen 8 between the air-out end of the air inlet end of fan body 3 and ventilation duct 4, be equipped with arresting net 7 between hood 5 and fan body 3, the cross sectional shape in air inlet duct 6 is the loudspeaker form, the big terminal surface that is the air inlet duct 6 of loudspeaker form links to each other with the exhaust vent of European style case variant 1, the little terminal surface that is the air inlet duct 6 of loudspeaker form links to each other with the air inlet end of ventilation duct 4.

The electrical components presented in the text are all electrically connected with external master controllers and 380V commercial power, and the master controllers can be conventional known devices controlled by computers and the like.

To sum up, this prepackage type transformer substation roof fan structure, during the use, compare with prior art, it is external through carrying out the fan body, through install hood 5 on fan body 3 to prevent into water, 3 air-out directions of fan body are directly blown the sky, by the air inlet shutter department air inlet in the european style case variant 1, 3 air-out of upwind fan body, lean on the mobility of air to take away a large amount of heats of transformer room, this structure has improved the case and has become heat-sinking capability greatly, be applicable to the ventilation in big heat place, be particularly suitable for the large capacity prepackage type transformer substation (european style case variant) ventilation cooling.

In the description of the present application, the terms "connect", "install", "fix", "set", etc. are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as in this case, for a person skilled in the art, the specific meaning of the above terms in the present invention or the present invention can be understood according to specific situations.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a roof fan structure of prepackage type transformer substation, includes european style case variant (1), its characterized in that: the fan component (2) communicated with the cavity of the European box variant body (1) is arranged above the European box variant body (1), and the fan component (2) is used for accelerating the air flow of the cavity of the European box variant body (1) and discharging the air.

2. The pre-assembled substation roof fan structure of claim 1, characterized in that: a top cover of the European-style box variant (1) is provided with a plurality of fan components (2) communicated with the cavity of the European-style box variant (1); the fan assembly (2) comprises a fan body (3), wherein a ventilation duct (4) is formed in an air outlet of the European-style box body (1), and the ventilation duct (4) upwards extends to be connected with an air inlet end of the fan body (3).

3. The pre-assembled substation roof fan structure of claim 2, characterized in that: the fan body (3) is installed on the top end of the ventilation duct (4) through a rivet, an air inlet duct (6) connected with an air outlet of the European box body (1) is arranged at an air inlet end of the ventilation duct (4), and an air cap (5) connected with the fan body (3) is arranged at an air outlet end of the fan body (3).

4. A pre-assembled substation roof fan structure according to claim 3, characterized in that: be equipped with dust screen (8) between the air-out end of the air inlet end of fan body (3) and ventilation duct (4), be equipped with between hood (5) and fan body (3) and block net (7), the cross sectional shape of air inlet duct (6) is the loudspeaker form, is the loudspeaker form the big terminal surface of air inlet duct (6) links to each other with the exhaust vent of european style case variant (1), is the loudspeaker form the little terminal surface of air inlet duct (6) links to each other with the air inlet end of ventilation duct (4).

5. The pre-installed substation roof fan structure of claim 4, characterized in that: the wind cap (5) is arranged at the top of the fan body (3) in a reverse buckling mode, and the diameters of the blocking net (7) and the dust screen (8) are larger than the diameter of the inside of the fan body (3).

6. The pre-installed substation roof fan structure of claim 1, characterized in that: an air inlet shutter corresponding to an air outlet of the European box variant (1) is arranged in the European box variant (1), and an air conditioner external unit is arranged outside the European box variant (1) and is installed through a triangular support.

7. The pre-installed substation roof fan structure of claim 1, characterized in that: the cross section of the top cover of the European-style box variant (1) is triangular.

8. The pre-installed substation roof fan structure of claim 2, characterized in that: the fan body (3) is an axial flow fan.