CN218333370U - Forced air cooling dry-type transformer - Google Patents
Forced air cooling dry-type transformer Download PDFInfo
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- CN218333370U CN218333370U CN202222702298.3U CN202222702298U CN218333370U CN 218333370 U CN218333370 U CN 218333370U CN 202222702298 U CN202222702298 U CN 202222702298U CN 218333370 U CN218333370 U CN 218333370U
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Abstract
The utility model relates to a forced air cooling dry-type transformer, which comprises a transformer body and a shell, wherein the shell is a rectangular hollow box body with an opening, which is formed by surrounding a bottom plate and four side walls, namely a front side wall, a rear side wall, a left side wall and a right side wall; the lower extreme in the back lateral wall outside seted up the air outlet, the fixed position that corresponds the air outlet on the inner wall of back lateral wall is provided with air-out fan, air-out fan's input sets up towards the lower part of transformer body, adopt above-mentioned technical scheme, under air inlet fan and air-out fan effect, the upper portion that the cooling air directly entered into dry-type transformer from the upper portion that is located preceding lateral wall, to dispelling the heat place at first in the most needs, the better assurance radiating effect of concentrated cooling air duct ability.
Description
Technical Field
The utility model relates to a dry-type transformer technical field, concretely relates to forced air cooling's dry-type transformer.
Background
Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil.
The dry-type transformer can generate a large amount of heat after working for a long time, and particularly in the summer environment with higher temperature, the cooling mode is mainly air cooling; at present, no matter natural air cooling or forced air cooling (depending on a cooling fan), generally the cooling structure is the same, especially the air inlet duct of the forced air cooling structure adopts natural multiple air inlets, the air outlet duct adopts a mode that the cooling fan is arranged at the middle position of a single-side wall to output heat outside a shell in a forced mode, however, in a dry type transformer, a winding is generally the hottest at the upper part, the position needing heat dissipation is the upper part of a transformer body, the air inlet duct adopts natural multiple air inlets in the prior art, and the air outlet duct adopts a mode that the cooling fan is arranged at the middle position of the single-side wall to output heat outside the shell in a forced mode, so that the defects of unconcentrated cooling air and poor heat dissipation effect exist in the transformer shell.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a forced air-cooled dry-type transformer solves present dry-type transformer radiating effect not good, has reduced dry-type transformer's life's defect.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a forced air-cooled dry-type transformer comprises a transformer body and a shell, wherein the shell is a rectangular hollow box body which is formed by surrounding a bottom plate and four side walls, namely a front side wall, a rear side wall, a left side wall and a right side wall and is provided with an opening; the lower end of the rear side wall is provided with an air outlet channel, an air outlet fan is fixedly arranged on the inner wall of the rear side wall corresponding to the air outlet channel, and the input end of the air outlet fan faces the lower portion of the transformer body.
By adopting the technical scheme, the upper end of the front side wall is provided with the air inlet duct, the position, corresponding to the air inlet duct, on the inner wall of the front side wall is fixedly provided with the air inlet fan, and the output end of the air inlet fan faces the upper part of the transformer body; the lower end of the rear side wall is provided with an air outlet channel, an air outlet fan is fixedly arranged on the inner wall of the rear side wall at a position corresponding to the air outlet channel, the input end of the air outlet fan faces the lower part of the transformer body, thus under the action of the air inlet fan, cooling air directly enters the upper part of the dry type transformer from the upper part of the front side wall, namely the upper part of the winding, firstly radiates the place needing heat radiation, and then under the action of the air outlet fan, the cooling air runs from the upper part of the dry type transformer to the lower part of the dry type transformer to form a concentrated cooling air channel for air inlet from the upper part and air outlet from the lower part, so that the cooling air can be better concentrated.
Furthermore, in the technical scheme, a filter screen is adhered to the outer part of the air inlet duct. The adoption is pasted the structure that is provided with the filter screen in the outside of air inlet duct and can be filtered the dust that has large granule, avoids large granule dust to get into in the dry-type transformer casing, adopts external pasting simultaneously, if adopt the non-setting adhesive with the filter screen fix all around on the preceding lateral wall all around of air inlet duct, simple to operate conveniently, convenient the change when the dust that glues on the filter screen, guarantee its ventilation effect.
In addition, in order to ensure that dust does not directly fall into the air inlet duct and the air outlet duct, the air inlet duct and the air outlet duct are both multi-row inclined channels with low outside and high inside and penetrating through the side wall.
Considering that the dry type transformer is widely applicable, the housing may not need an upper cover plate when used indoors, but if used outdoors in a dusty environment, the upper cover plate is needed to prevent dust and impurities from falling onto the dry type transformer body and affecting the operation of the dry type transformer, thereby defining a forced air cooling dry type transformer further comprising a rectangular upper cover plate, the shape of which matches with the rectangular hollow box body, and the rear side of which is hinged with the upper side of the side wall of the rectangular hollow box body.
The sun shield further comprises a rectangular sun shield, the area of the rectangular sun shield is larger than that of the rectangular upper cover plate, at least three support columns are vertically and downwards arranged on the lower surface of the rectangular sun shield, and at least three through holes correspondingly matched with the three support columns are formed in the rectangular upper cover plate. The structure adopting the rectangular sun shield is mainly suitable for protecting the dry-type transformer when raining outside, and when the structure is used indoors, the rectangular sun shield is not adopted.
According to the forced air cooling dry-type transformer adopting the technical scheme, the concentrated cooling air inlet is adopted, so that the cooling air is enabled to run from the upper part of the dry-type transformer to the lower part of the dry-type transformer, a concentrated cooling air channel for air inlet from the upper part and air outlet from the lower part is formed, and the heat dissipation effect can be better ensured.
Drawings
Fig. 1 is a schematic front view of a forced air-cooled dry-type transformer according to the present invention;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 1.
Fig. 4 is an enlarged schematic view of a portion B in fig. 3.
The designations in the figures correspond respectively to: 1-transformer body, 21-bottom plate, 22-front side wall, 221-air inlet channel, 222-air inlet fan, 223-filter screen, 23-rear side wall 231-air outlet channel, 232-air outlet fan, 24-left side wall, 25-right side wall, 3-rectangular upper cover plate, 31-through hole, 4-rectangular sun shield and 41-support column.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
The embodiment is as follows:
as shown in fig. 1-4, a forced air cooling dry-type transformer includes a transformer body 1, a housing, a rectangular upper cover plate 3 and a rectangular sun shield 4, wherein the housing is a rectangular hollow box body with an opening surrounded by four side walls, namely a bottom plate 21, a front side wall 22, a rear side wall 23, a left side wall 24 and a right side wall 25, the transformer body 1 is placed on the bottom plate 21 of the rectangular hollow box body, an air inlet duct 221 is opened at the upper end of the outer side of the front side wall 22, an air inlet fan 222 is fixedly arranged on the inner wall of the front side wall 22 corresponding to the air inlet duct 221, and the output end of the air inlet fan 222 is arranged towards the upper part of the transformer body 1; an air outlet duct 231 is formed in the lower end of the outer side of the rear side wall 23, an air outlet fan 232 is fixedly arranged on the inner wall of the rear side wall 23 at a position corresponding to the air outlet duct 231, and the input end of the air outlet fan 232 is arranged towards the lower part of the transformer body 1; a filter screen 223 is adhered to the outside of the air inlet duct 221; the air inlet channel 221 and the air outlet channel 231 are all multi-row inclined channels with low outer parts and high inner parts and penetrating through the side wall; the shape of the rectangular upper cover plate 3 is matched with that of the rectangular hollow box body, the rear side of the rectangular upper cover plate 3 is hinged with the upper edge of the rear side wall 23 of the rectangular hollow box body, and four through holes 31 penetrating through the rectangular upper cover plate 3 are formed in the rectangular upper cover plate 3; the area of the rectangular sun shield 4 is larger than that of the rectangular upper cover plate 3, four support columns 41 are vertically and downwards arranged on the lower surface of the rectangular sun shield 4, and the four support columns 41 are correspondingly matched and assembled with the through holes 31.
In assembling, the rectangular upper cover 3 of the rectangular hollow box is first opened, the transformer body 1 is placed on the placing plate 21, the rectangular upper cover 3 is then covered, and then the rectangular sun visor 4 is fitted on the rectangular upper cover 3.
By adopting the technical scheme, the upper end of the front side wall 22 is provided with the air inlet duct 221, the position, corresponding to the air inlet duct 221, on the inner wall of the front side wall is fixedly provided with the air inlet fan 222, and the output end of the air inlet fan 222 is arranged towards the upper part of the transformer body 1; an air outlet duct 231 is formed at the lower end of the rear side wall 23, an air outlet fan 232 is fixedly arranged on the inner wall of the rear side wall 23 at a position corresponding to the air outlet duct 231, and the input end of the air outlet fan 232 is arranged towards the lower part of the transformer body 1, so that under the action of the air inlet fan 222, cooling air directly enters the upper part of the dry-type transformer 1 from the upper part of the front side wall 22, namely the upper part of a winding, firstly radiates the place needing heat radiation most, and then runs to the lower part of the dry-type transformer 1 from the upper part of the dry-type transformer 1 under the action of the air outlet fan 232 to form a concentrated cooling air duct for air inlet from the upper part and air outlet from the lower part, so that the cooling air can be better concentrated, and compared with the original inlet and forced cooling air ducts which are not concentrated, the pertinence is strong, and the heat radiation effect can be better ensured. The filter screen is pasted the outside of air inlet duct 221 is filtered the dust that has large granule, avoids the dust of large granule to get into in the dry-type transformer casing, and air inlet duct 221 and exhaust duct 231 adopt the oblique passageway that the lateral wall was run through to height in the outer low, avoid the dust to fall into, when outdoor use, use supporting rectangle sunshading board 4, can be better avoid the sun penetrate the transformer directly on, also can play certain rain effect of hiding, better assurance dry-type transformer's life.
It is right above the utility model provides a pair of dry-type transformer convenient to transportation has carried out detailed introduction. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core concept. It should be noted that, for those skilled in the art, without departing from the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a forced air-cooled dry-type transformer, includes transformer body and shell, the shell is by the bottom plate and preceding, back, left and right four lateral walls around the rectangle cavity box that has the open-ended that forms, the transformer body is placed on the bottom plate of rectangle cavity box, its characterized in that: an air inlet duct is formed in the upper end of the outer side of the front side wall, an air inlet fan is fixedly arranged on the inner wall of the front side wall at a position corresponding to the air inlet duct, and the output end of the air inlet fan faces the upper part of the transformer body; the lower end of the outer side of the rear side wall is provided with an air outlet channel, an air outlet fan is fixedly arranged on the inner wall of the rear side wall corresponding to the position of the air outlet channel, and the input end of the air outlet fan faces the lower portion of the transformer body.
2. A forced air cooled dry-type transformer as claimed in claim 1 wherein: and a filter screen is adhered to the outside of the air inlet duct.
3. A forced air cooling dry transformer as claimed in claim 1 wherein: the air inlet channel and the air outlet channel are a plurality of rows of inclined channels with low outer parts and high inner parts and penetrating through the side wall.
4. A forced air cooling dry transformer as claimed in claim 1 wherein: the rectangular hollow box is characterized by further comprising a rectangular upper cover plate, the rectangular upper cover plate is matched with the rectangular hollow box in shape, and the rear side of the rectangular upper cover plate is connected with the upper edge of the side wall of the rectangular hollow box through a hinge.
5. A forced air cooled dry transformer according to claim 4 wherein: the novel sun shield is characterized by further comprising a rectangular sun shield, the area of the rectangular sun shield is larger than that of the rectangular upper cover plate, at least three support columns are vertically and downwards arranged on the lower surface of the rectangular sun shield, and at least three through holes which are matched with the three support columns in a corresponding mode are formed in the rectangular upper cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222702298.3U CN218333370U (en) | 2022-10-14 | 2022-10-14 | Forced air cooling dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222702298.3U CN218333370U (en) | 2022-10-14 | 2022-10-14 | Forced air cooling dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218333370U true CN218333370U (en) | 2023-01-17 |
Family
ID=84822935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222702298.3U Active CN218333370U (en) | 2022-10-14 | 2022-10-14 | Forced air cooling dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218333370U (en) |
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2022
- 2022-10-14 CN CN202222702298.3U patent/CN218333370U/en active Active
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