CN218866869U - Radiator of distribution transformer - Google Patents
Radiator of distribution transformer Download PDFInfo
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- CN218866869U CN218866869U CN202222455572.1U CN202222455572U CN218866869U CN 218866869 U CN218866869 U CN 218866869U CN 202222455572 U CN202222455572 U CN 202222455572U CN 218866869 U CN218866869 U CN 218866869U
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- oil
- heat dissipation
- pipe
- oil tank
- distribution transformer
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Abstract
The utility model discloses a distribution transformer radiator, include: oil tank, heat dissipation type pipe and fin, the oil tank include: the oil outlet and the oil inlet are respectively connected with two ends of the heat dissipation type pipe, and the radiating fins are connected to the heat dissipation type pipe. The utility model utilizes the corrugated sheet to manufacture the radiating fin, the flexibility of the corrugated sheet thin steel plate can adjust the thermal expansion of the transformer oil, and an air layer is not needed; the utility model discloses under the limited condition of overall dimension length width, utilize the heat dissipation height at the center of the heat dissipation height of upper and lower rectangle collection oil pipe and the ratio of the height at the center of generating heat of oil tank, reduce transformer top layer oil temperature rise.
Description
Technical Field
The utility model discloses a distribution transformer radiator relates to transformer radiator field.
Background
The heat generated by the transformer during operation is generated in two aspects, namely, the iron loss is the heat generated by the eddy current loss in the transformer iron core; secondly, the load current flows through the heat generated by the transformer winding, and the heat generation is in direct proportion to the square of the current. The heat generated by the transformer must be dissipated in time, otherwise the transformer is damaged, and the heat dissipation of the transformer is limited under the condition that the length and the width of the external dimension are limited.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the defect among the above-mentioned background art, provide a distribution transformer radiator, the radiating effect is good.
In order to achieve the above object, the utility model adopts the following technical scheme: a distribution transformer heat sink comprising: oil tank, heat dissipation type pipe and fin, the oil tank include: the transformer comprises a base and a side wall connected with the base, wherein a cover body is arranged at the top of the side wall, an oil outlet and an oil inlet are formed in the side wall, the oil outlet and the oil inlet are respectively connected with two ends of a heat dissipation type pipe, a cooling fin is connected to the heat dissipation type pipe, heat dissipation oil is filled in the oil tank, the heat dissipation type pipe and the cooling fin, and the transformer is arranged in the oil tank.
Furthermore, the oil tank base is arranged in a rectangular shape, the side wall is connected to the periphery of the base to form an opening box body, the upper side of the side wall is connected with the cover body, the upper end of the side wall is provided with an oil outlet, and the lower end of the side wall is provided with an oil inlet.
Further, the heat dissipation type pipe is designed as a C-shaped pipe, and the heat dissipation type pipe includes: go up rectangle collection oil pipe, lower rectangle collection oil pipe, connection steel bay, the one end of last rectangle collection oil pipe connect in the oil-out, the one end of lower rectangle collection oil pipe is connected in the oil inlet, the free end of last rectangle collection oil pipe, lower rectangle collection oil pipe connect the both ends of connecting the steel bay respectively, go up and be linked together between rectangle collection oil pipe, lower rectangle collection oil pipe, the connection steel bay and the fin, the even distribution of radiating oil between the fin is convenient for in the design of C type pipe.
Furthermore, a plurality of radiating fins are connected between the upper rectangular oil collecting pipe and the lower rectangular oil collecting pipe, and the radiating fins are hollow corrugated fins.
Furthermore, the radiating fins are arranged in parallel and arranged between the upper rectangular oil collecting pipe and the lower rectangular oil collecting pipe.
Furthermore, two side walls of the oil tank are symmetrically provided with connecting heat dissipation type pipes.
Further, the height of the heat dissipation center of the heat dissipation type pipe is as follows: the vertical height from the central position of the radiating fin to the surface of the base; the height of the heating center of the oil tank is as follows: the vertical height from the center of the transformer to the surface of the base, the ratio of the heating center height to the heat dissipation center height of the oil tank is [0.3,1.5], so that the heat dissipation performance can be improved, and the manufacturing cost of the structure can be reduced.
Has the advantages that: the utility model discloses utilize the corrugated sheet to make the fin, through the flexibility of corrugated sheet steel sheet, can adapt to the thermal energy of transformer heat dissipation oil, need not leave the air bed.
The utility model discloses under the limited condition of overall dimension length width, utilize the heat dissipation center height of upper and lower rectangle collection oil pipe and the ratio adjustment of the central height that generates heat of oil tank, reduce transformer upper portion top layer oil temperature rise degree, satisfy user's heat dissipation demand.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the heat sink of the present invention;
fig. 3 is a schematic view of the heat dissipation type tube structure of the present invention;
fig. 4 is a schematic cross-sectional view of the present invention;
fig. 5 is a schematic view of the heat dissipation effect of the present invention.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
An embodiment as shown in FIGS. 1 to 4: the present embodiment provides a distribution transformer heat sink, comprising: oil tank 1, heat dissipation type pipe 2 and fin 3, oil tank 1 include: base 11 and the lateral wall 12 rather than being connected, lateral wall 12 set up oil-out 13 and oil inlet 14, oil-out 13 and oil inlet 14 connect the both ends of heat dissipation type pipe 2 respectively, fin 3 connect on heat dissipation type pipe 2, inside the full heat dissipation oil that fills of oil tank 1, inside oil tank 1 is arranged in to the transformer, heat dissipation oil under transformer work, the heat dissipation oil that the temperature rises automatically gets into the oil inlet, participates in the heat dissipation circulation.
The base 11 of the oil tank 1 is rectangular, the side wall 12 is connected to the periphery of the base 11 to form an open tank body, the upper end of the side wall 12 is provided with an oil outlet 13, and the lower end of the side wall 12 is provided with an oil inlet 14.
The heat dissipation type pipe 2 is a C-shaped pipe design, and the heat dissipation type pipe 2 comprises: the oil-gas separator comprises an upper rectangular oil collecting pipe 21, a lower rectangular oil collecting pipe 22 and a connecting steel groove 23, wherein one end of the upper rectangular oil collecting pipe 21 is connected to the oil outlet 13, one end of the lower rectangular oil collecting pipe 22 is connected to the oil inlet 14, and the free ends of the upper rectangular oil collecting pipe 21 and the lower rectangular oil collecting pipe 22 are respectively connected with the two ends of the connecting steel groove 23.
A plurality of radiating fins 3 are connected between the upper rectangular oil collecting pipe 21 and the lower rectangular oil collecting pipe 22, and the radiating fins 3 are hollow corrugated fins.
The radiating fins 3 are arranged in parallel between the upper rectangular oil collecting pipe 21 and the lower rectangular oil collecting pipe 22.
An oil inlet 14 and an oil outlet 13 are symmetrically arranged on two side walls 12 of the oil tank 1, and three oil inlets and three oil outlets 13 are arranged on one side wall 12.
The heat dissipation center height of the heat dissipation type pipe 2 is as follows: the vertical height from the central position of the radiating fin 3 to the surface of the base 11;
the heating center height with the oil tank 1 is as follows: the vertical height from the center of the transformer to the surface of the base 11;
the ratio of the heating center height to the heat dissipation center height of the oil tank is [0.3,1.5].
As shown in FIG. 5, when the heat-generating center height Hf is 400mm, the heat-dissipating center height Hs is 400mm, hf/Hs =1, and the average temperature Ty =40 ℃ of the heat-dissipating oil, the top-layer oil temperature T Δ ≈ 12 ℃ of the radiator,
the right side abscissa of the intersection point of the T Δ, the Hf/Hs and Ty and the nearest curve and Ty is determined;
when the heating center height Hf is 400mm, the heat dissipation center height Hs is 800mm, hf/Hs =0.5, and the average temperature Ty =40 ℃ of the heat dissipation oil, the top layer oil temperature rise T Δ ≈ 2.5 ℃.
It can be known that the heat dissipation height is increased by 400mm, the temperature rise of the top layer oil is reduced by about 9.5 ℃, and the smaller the ratio of the height of the heating center to the height of the heat dissipation center, the lower the temperature rise of the top layer heat dissipation oil in the embodiment is.
The utility model discloses under the limited condition of overall dimension length, width, highly limited condition is less, utilizes the adjustment of the heat dissipation height-in-center of upper and lower rectangle collection oil pipe and the ratio of the height-in-center that generates heat of oil tank, reduces transformer top layer oil temperature rise degree.
The utility model discloses utilize the corrugated sheet preparation fin, the flexibility of corrugated sheet steel sheet, adjustable transformer heat dissipation oil thermal energy need not design the air bed, solves the problem that the radiator adopts the hard steel sheet design air bed to adjust the inflation of heat dissipation oil.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (7)
1. A distribution transformer heat sink, comprising: oil tank, heat dissipation type pipe and fin, the oil tank include: the oil-cooling type transformer oil tank comprises a base and a side wall connected with the base, wherein an oil outlet and an oil inlet are formed in the side wall, a cover body is connected to the upper side of the side wall, the oil outlet and the oil inlet are respectively connected with two ends of a heat dissipation type pipe, a cooling fin is connected to the heat dissipation type pipe, heat dissipation oil is filled in the oil tank, the heat dissipation type pipe and the cooling fin, and a transformer is placed in the oil tank.
2. The distribution transformer radiator of claim 1, wherein the base is rectangular, the side walls are connected to the periphery of the base to define an open box, an oil outlet is formed in the upper end of each side wall, and an oil inlet is formed in the lower end of each side wall.
3. The distribution transformer heat sink of claim 1, wherein the heat dissipation type tube is of a C-tube design, the heat dissipation type tube comprising: go up rectangle collection oil pipe, lower rectangle collection oil pipe, connection steel bath, the one end of going up the rectangle collection oil pipe connect in the oil-out, the one end of lower rectangle collection oil pipe is connected in the oil inlet, the free end of going up rectangle collection oil pipe, lower rectangle collection oil pipe connect the both ends of connecting the steel bath respectively, go up and be linked together between rectangle collection oil pipe, lower rectangle collection oil pipe, the connecting steel bath and the fin.
4. The distribution transformer radiator of claim 3, wherein a plurality of fins are connected between the upper rectangular oil collecting pipe and the lower rectangular oil collecting pipe, and the fins are hollow corrugated fins.
5. The distribution transformer heat sink of claim 4, wherein the fins are arranged in parallel between the upper and lower rectangular oil collection tubes.
6. The distribution transformer radiator of claim 1, wherein the two sidewalls of the oil tank are symmetrically provided with connecting radiating tubes.
7. The distribution transformer radiator of claim 1, wherein said heat-dissipating type pipe has a heat-dissipating center height of: the vertical height from the central position of the radiating fin to the surface of the base; the heating center height of the oil tank is as follows: the vertical height from the center of the transformer to the surface of the base, and the ratio of the heating center height to the heat dissipation center height of the oil tank is [0.3,1.5].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222455572.1U CN218866869U (en) | 2022-09-16 | 2022-09-16 | Radiator of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222455572.1U CN218866869U (en) | 2022-09-16 | 2022-09-16 | Radiator of distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218866869U true CN218866869U (en) | 2023-04-14 |
Family
ID=87367725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222455572.1U Active CN218866869U (en) | 2022-09-16 | 2022-09-16 | Radiator of distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218866869U (en) |
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2022
- 2022-09-16 CN CN202222455572.1U patent/CN218866869U/en active Active
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