CN221353455U - Ventilation device convenient for heat dissipation of box transformer substation - Google Patents

Abstract

The utility model relates to the technical field of box-type transformers, in particular to a ventilation device convenient for heat dissipation of a box transformer, which comprises a three-dimensional frame and a plurality of screen windows, wherein one surface of the three-dimensional frame is used for covering a ventilation hole of a box transformer foundation, and the screen windows are respectively arranged on other ventilation surfaces of the three-dimensional frame. According to the ventilation device convenient for heat dissipation of the box transformer substation, the three-dimensional screen window is arranged at each ventilation hole of the box transformer substation base, the filter screen at the bottom of the transformer room can be prevented from being blocked, and the three-dimensional screen window can be cleaned conveniently and timely, so that ventilation efficiency is ensured, and effective heat dissipation of the box transformer substation is ensured.

Description

Ventilation device convenient for heat dissipation of box transformer substation

Technical Field

The utility model relates to the technical field of box-type transformers, in particular to a ventilation device convenient for heat dissipation of a box transformer.

Background

The box transformer, namely the box transformer, is characterized by small volume, light weight, low noise and the like by intensively designing the traditional transformer in the box shell, and is widely applied to houses, enterprises, hospitals, schools and other places at present.

The box transformer can generate heat during operation, the box transformer needs to be cooled in a cooling mode, for example, in the existing scene, a plurality of axial flow fans are installed in a transformer room of each box transformer, a plurality of ventilation holes are formed in the box transformer, when the box transformer temperature reaches a limit value, the axial flow fans are started, air enters from the basic ventilation holes of each box transformer, and then is discharged through a cooling fan on a shell of the box transformer, so that heat is dissipated to the box transformer.

In actual operation, when the axial flow fan is started, poplar catkin and dust can enter the cable chamber through the box transformer foundation vent hole, so that a filter screen at the bottom of the transformer chamber is blocked, air circulation is hindered, normal heat dissipation of the box transformer is affected, the box transformer is over-heated, a high-voltage cable is arranged below the transformer chamber, power outage operation is required when the filter screen at the bottom of the transformer chamber is cleaned, and cleaning is inconvenient and the cleaning period is uncontrollable.

Disclosure of utility model

The utility model provides a ventilation device convenient for box transformer substation heat dissipation, which aims to solve the technical problems that when the box transformer substation is ventilated and dissipates heat, poplar catkin and dust can enter a cable chamber through a box transformer substation foundation vent hole to cause blockage of a filter screen at the bottom of a transformer chamber to affect heat dissipation, the filter screen is difficult to clean and the cleaning period is uncontrollable.

The technical scheme of the utility model is as follows:

a ventilation device for facilitating heat dissipation of a box transformer, comprising:

One side of the three-dimensional frame is used for covering a vent hole of a box transformer foundation;

the screen windows are respectively arranged on other ventilation surfaces of the three-dimensional frame.

Further, the three-dimensional frame is in a hexahedral opening cuboid shape.

Further, at least one of the screen windows is detachably mounted.

Further, a step is formed above the ventilation hole of the box transformer foundation, the ventilation hole of the box transformer foundation is covered on the back surface of the three-dimensional frame, the top surface of the three-dimensional frame is covered by the step, and the front surface, the left surface, the right surface and the bottom surface of the three-dimensional frame are respectively provided with the screen window.

Further, the screen windows positioned on the left, right and bottom surfaces of the three-dimensional frame are detachably installed.

Further, the detachably mounted screen window is in a drawing type.

Further, the three-dimensional frame is fixed to the box transformer substation foundation through expansion bolts, and the connecting portion of the three-dimensional frame and the box transformer substation foundation is sealed by glue.

Further, a filter screen is arranged in the ventilation hole of the box transformer foundation.

Further, the size of the ventilation hole of the box transformer foundation is 600mm×300mm, and the size of the ventilation device is 1000mm×500mm×400mm.

Further, the three-dimensional frame is made of aluminum alloy, and the filter screen of the screen window is made of diamond mesh; the specification of the screen window is 13 meshes.

After the technical scheme is adopted, the ventilation device convenient for heat dissipation of the box transformer has the following beneficial effects compared with the prior art:

1. According to the ventilation device provided by the utility model, the three-dimensional screen window is arranged, so that poplar catkin and the like can be filtered, the poplar catkin and the like can be prevented from entering the cable chamber to be blocked at the filter screen at the bottom of the transformer chamber, the three-dimensional screen window is cleaned, and the three-dimensional screen window can be cleaned conveniently, timely and periodically.

2. The ventilation device provided by the utility model comprises a plurality of screen windows, air can enter from the screen windows, the air inlet area can be increased, the air inlet quantity is ensured, the ventilation efficiency is further improved, and the heat dissipation of each electric device in the box transformer is ensured.

3. According to the ventilation device provided by the utility model, part of the screen window on the three-dimensional screen window is arranged to be drawable, so that each screen window is more convenient to assemble, disassemble and clean.

Drawings

FIG. 1 is a schematic view of a ventilating device according to the present utility model;

FIG. 2 is a schematic view of the structure of a vent hole of the box transformer base;

FIG. 3 is a schematic view showing the structure of a ventilation hole provided in the base of a box transformer in the ventilation device of the present utility model;

fig. 4 is a schematic diagram of a structure in which a filter screen is provided in a vent hole of a box transformer foundation.

Wherein,

A ventilation device 1, a three-dimensional frame 11 and a screen window 12; vent hole 21, cable chamber 22, transformer room 23, step 24, filter screen 25.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 1 to 4, the present embodiment provides a ventilation device 1 for facilitating heat dissipation of a box transformer, the ventilation device 1 being mountable on a box transformer and being covered with a ventilation hole 21 covering the box transformer, in particular, the ventilation device 1 comprises a three-dimensional frame 11 and a plurality of screen windows 12, wherein the three-dimensional frame 11 comprises a plurality of faces, one of which is used for covering the ventilation hole 21 covering the box transformer, and when an axial flow fan in the box transformer is started, the face is formed as a ventilation face for letting air into a cable chamber 22; the other faces of the three-dimensional frame 11, when uncovered, are formed as ventilation faces for air from the outside into the interior of the three-dimensional frame 11, on which ventilation faces a screen 12 is mounted, respectively.

Like this, the ventilation device 1 that this embodiment provided compares with prior art, through setting up a stereoscopic frame 11, be equipped with many screen windows 12 on stereoscopic frame 11, form into stereoscopic screen window, can prevent that poplar catkin and dust etc. from getting into cable room 22 to can prevent the filter screen of transformer room 23 bottom from blockking up, only need to clear up screen window 12 on stereoscopic frame 11 when the clearance, need not to go again to clear up the filter screen of transformer room 23 bottom after having a power failure, the clearance is convenient in time, and the clearance cycle is controllable moreover, can regularly clear up. And, the three-dimensional frame 11 that this embodiment set up, can install outside the ventilation hole 21 of case change basis, and the installation is comparatively convenient, all is provided with screen window 12 on other each ventilation face except that the cover is located case change basis ventilation hole 21 on three-dimensional frame 11 moreover, and the air can get into from each screen window 12, and the air inlet area is big, guarantees the intake, improves ventilation efficiency, ensures radiating efficiency.

The shape of the three-dimensional frame 11 can be set arbitrarily as required, but it is necessary to ensure that one face of the three-dimensional frame can be covered with a vent 21 covering the foundation of the box transformer. Since the ventilation hole 21 is generally rectangular, the three-dimensional frame 11 of the present embodiment is preferably a hexahedral open cuboid shape, and the processing and installation are simpler.

Since the position of the ventilation holes 21 of the box transformer foundation may be low, it may be difficult to clean part of the screen windows 12 on the three-dimensional frame 11, for example, the screen windows 12 at the bottom of the three-dimensional frame 11, and the screen windows 12 difficult to clean are detachably installed in this embodiment, so that the screen windows 12 can be detached for cleaning, which is more convenient.

Of the six faces of the hexahedral open rectangular solid frame 11, five other faces may be formed as ventilation faces, except for the face of the ventilation hole 21 covered on the box transformer base. However, in some cases, a step 24 is formed above the ventilation hole 21 on the basis of the case, for example, as shown in fig. 2, in this embodiment, the ventilation hole 21 on the basis of the case is covered on the back (i.e., rear) of the three-dimensional frame 11, the top surface is covered by the step 24, only the front (i.e., front), left, right and bottom surfaces are formed as ventilation surfaces for air entering the three-dimensional screen from the outside, and a screen 12 is provided on each of the four surfaces.

In this case, in order to facilitate cleaning of each screen window 12, the screen windows 12 located on the left, right and bottom surfaces of the stereoscopic frame 11 are detachably installed in this embodiment, and cleaning of the screen window 12 on the front side is relatively convenient, and whether the screen window 12 is detachably installed or not can be set as required, which is not limited in this embodiment.

Preferably, each of the detachably mounted screen windows 12 is installed in a drawing type, and is formed in a three-sided drawing structure, each screen window 12 can be drawn and inserted onto the three-dimensional frame 11 from both sides, for example, the screen windows 12 on the left and right sides can be drawn in the front-rear direction, and the screen window 12 on the bottom can be drawn in the front-rear direction or the left-right direction. Thus, the screen window 12 is in a drawing structure, so that the screen window 12 is more convenient to assemble, disassemble and clean.

The three-dimensional frame 11 of the present embodiment is fixed to the box transformer substation base by expansion bolts, and the connection portion between the three-dimensional frame 11 and the outer periphery of the ventilation hole 21 and the step 24 on the box transformer substation base is sealed by gluing, preventing poplar catkin and dust from entering from the slit. Preferably, sealing strips are also arranged on each ventilation surface of the three-dimensional frame 11, and sealing is realized through the sealing strips after each screen window 12 is mounted on the three-dimensional frame 11.

Optionally, a filter screen 25 is further arranged in the ventilation hole 21 of the box transformer substation base, and the filter screen 25 can be originally existing in the existing ventilation hole 21, and a layer of three-dimensional screen window is further added in the embodiment; or the filter screen 25 can be additionally added, so that multi-layer protection can be realized, dust entering the box transformer substation is filtered, and the dust is prevented from entering the box transformer substation and accumulating to cause the box transformer substation to be overheated. In addition, the screen window 12 can be detached and cleaned, so that a protective effect can be achieved, and the poplar catkin is prevented from entering the cable chamber 22. Preferably, the filter screen on each screen 12 can also be provided in multiple layers, further enhancing the filtering effect.

As a specific embodiment of the utility model, six axial flow fans are arranged in the box transformer substation, four ventilation holes 21 are arranged on the box transformer substation, one ventilation device 1 is arranged corresponding to each ventilation hole 21, the size of each ventilation hole 21 is 600mm multiplied by 300mm, and the size of each ventilation device 1, namely the three-dimensional window screen, is 1000mm multiplied by 500mm multiplied by 400mm. The frame of the three-dimensional frame 11 and the screen window 2 is preferably made of aluminum alloy, the filter screen of the screen window 12 is preferably made of diamond mesh, and safety is improved. The screen window 12 is preferably 13 meshes in specification, and the filtering effect and the air inlet quantity are ensured.

It can be seen from the above that, the ventilation device convenient for heat dissipation of a box transformer provided by the embodiment sets up the three-dimensional screen window in each ventilation hole department of box transformer foundation, can prevent that the filter screen of transformer room bottom from taking place to block up, and this three-dimensional screen window can conveniently, in time clear up regularly moreover to guarantee ventilation efficiency, ensure the effective heat dissipation of box transformer. In addition, the air inlet device has the advantages of large air inlet area, high ventilation efficiency and the like.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. A ventilation device for facilitating heat dissipation of a box transformer, comprising:

A three-dimensional frame (11), wherein one surface of the three-dimensional frame (11) is used for covering a vent hole (21) of a box transformer foundation;

And a plurality of screen windows (12), wherein the screen windows (12) are respectively arranged on other ventilation surfaces of the three-dimensional frame (11).

2. A ventilation device for facilitating heat dissipation of a box transformer according to claim 1, characterized in that the three-dimensional frame (11) has a hexahedral open rectangular parallelepiped shape.

3. A ventilation device for facilitating the dissipation of heat from a tank as claimed in claim 2, wherein at least one of said screen windows (12) is removably mounted.

4. The ventilation device for facilitating heat dissipation of a box transformer substation according to claim 2, wherein a step (24) is formed above the ventilation hole (21) of the box transformer substation base, the ventilation hole (21) of the box transformer substation base is covered on the back surface of the three-dimensional frame (11), the top surface of the three-dimensional frame (11) is covered by the step (24), and the front surface, the left surface, the right surface and the bottom surface of the three-dimensional frame (11) are respectively provided with one screen window (12).

5. A ventilation device for facilitating heat dissipation of a box transformer according to claim 4, characterized in that screen windows (12) located at the left, right and bottom of the three-dimensional frame (11) are detachably installed.

6. A ventilation device for facilitating heat dissipation of a box transformer according to claim 3 or 5, characterized in that the detachably mounted screen (12) is a pull-out type.

7. A ventilating device for facilitating heat dissipation of a tank transformer according to claim 4, characterized in that the three-dimensional frame (11) is fixed to the tank transformer foundation by means of expansion bolts, and that the connection portion of the three-dimensional frame (11) and the tank transformer foundation is sealed by means of glue.

8. A ventilation device for facilitating heat dissipation of a box transformer according to claim 3 or 5, characterized in that a filter screen (25) is provided in the ventilation hole (21) of the box transformer base.

9. A ventilation device for facilitating heat dissipation of a box transformer according to claim 2, characterized in that the size of the ventilation hole (21) of the box transformer base is 600mm x 300mm, and the size of the ventilation device is 1000mm x 500mm x 400mm.

10. The ventilation device for facilitating heat dissipation of box transformer substation according to claim 1, wherein the three-dimensional frame (11) is made of aluminum alloy, and the filter screen of the screen window (12) is made of diamond mesh; the specification of the screen window (12) is 13 meshes.