CN212136161U - Improved heat radiation structure of oil-immersed distribution transformer - Google Patents
Improved heat radiation structure of oil-immersed distribution transformer Download PDFInfo
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- CN212136161U CN212136161U CN202020763445.6U CN202020763445U CN212136161U CN 212136161 U CN212136161 U CN 212136161U CN 202020763445 U CN202020763445 U CN 202020763445U CN 212136161 U CN212136161 U CN 212136161U
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Abstract
The utility model discloses an improved generation heat radiation structure of oil-immersed distribution transformer, the main part is the oil tank, the inside coil that is equipped with of oil tank, the coil is the surrounding type, and the middle part is stayed spaciously, is equipped with the riser between coil and the coil and separates, forms first oil duct, first oil duct and middle part intercommunication, fill the cardboard between coil and the oil tank inner wall, filling oil in the oil tank. After the oil in the oil tank is subjected to heat transfer by the coil, the oil in the first oil duct is heated firstly, hot oil floats upwards, and the first oil duct is communicated with the middle space, so that the oil is heated and convected to form a chimney effect, the convection is accelerated, and the heat is quickly dissipated.
Description
The technical field is as follows:
the utility model relates to an and oil immersed transformer technical field especially relates to oil immersed distribution transformer improved generation heat radiation structure.
Background art:
the oil immersed transformer is one of the important components of a substation, is generally installed in an independent transformer room and depends on insulating oil as a cooling medium, and meanwhile, the oil immersed transformer mainly comprises an iron core, a winding, an oil tank, an oil conservator, an insulating sleeve, a tap switch, a gas relay and the like, wherein the iron core and a winding are all immersed in the transformer oil, the transformer oil plays roles of insulation and cooling, the oil conservator of the transformer is generally arranged above a transformer body and can continuously supply oil by utilizing dead weight, and the heat dissipation effect of the existing oil immersed transformer is general.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned prior art current situation, a oil-immersed distribution transformer improved generation heat radiation structure is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
oil-immersed distribution transformer improved generation heat radiation structure, the main part is the oil tank, the inside coil that is equipped with of oil tank, and the coil is the surrounding type, and the middle part is stayed empty, is equipped with the riser between coil and the coil and separates, forms first oil duct, first oil duct and middle part intercommunication, fill the cardboard between coil and the oil tank inner wall, oil filling in the oil tank.
The utility model discloses a further technique:
preferably, the paperboard is divided into three layers, wherein the middle layer is 0.08mm cable paper, and the outer layer is 0.25mm glue dispensing paper.
Preferably, a vertical plate is arranged between the paper board and the inner wall of the oil tank for separation to form a second oil channel, and the first oil channel is communicated with the bottom and the upper part of the second oil channel.
Preferably, the riser divide into the three-layer, inlayer and outer plank layer, inlayer plank layer both ends are equipped with the board of bending, and the board of bending at both ends is bent to the inboard, and outer plank layer both ends are equipped with the board of bending equally, and the board of bending at both ends is bent to the outside, the board of bending on inlayer and the outer plank layer is relative, and the part of bending overlap each other forms the buckle, is equipped with the regulation layer in the middle of inlayer and the outer plank layer, and the regulation layer specifically is the spring, and the spring top is between inlayer and outer plank layer.
Preferably, one end of the spring is fixed on the inner layer, a sliding groove is formed in one side of the outer layer, the other end of the spring is connected with a sliding block, and the sliding block is clamped in the sliding groove.
The beneficial effects of the utility model reside in that:
after the oil in the oil tank is subjected to heat transfer by the coil, the oil in the first oil duct is heated firstly, hot oil floats upwards, and the first oil duct is communicated with the middle space, so that the oil is heated and convected to form a chimney effect, the convection is accelerated, and the heat is quickly dissipated.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts;
FIG. 1 is a schematic structural section of the present invention;
fig. 2 is a schematic view of the riser structure of the present invention.
The specific implementation mode is as follows:
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.
As fig. 1, the utility model provides an oil-immersed distribution transformer improved generation heat radiation structure, the main part is oil tank 1, and 1 inside coils 2 that are equipped with of oil tank, coils 2 are the surrounding type, and the middle part is stayed the sky, is equipped with riser 7 between coils 2 and the coils 2 and separates, forms first oil duct 3, first oil duct 3 and middle part intercommunication, fill the cardboard between coils 2 and the 1 inner wall of oil tank, fill oil in the oil tank 1.
After the oil in the oil tank 1 is subjected to heat transfer by the coil 2, the oil in the first oil duct 3 is heated firstly, hot oil floats upwards, and the oil is heated and convected due to the fact that the first oil duct 3 is communicated with the middle space, so that a chimney effect is formed, convection is accelerated, and heat is dissipated quickly.
The utility model discloses a cardboard divide into the three-layer, and the intermediate level is 0.08mm cable paper 4, and the skin is 0.25mm point adhesive paper 5.
When the coil 2 is baked at a high temperature, the glue of the glue dispensing paper 5 is dissolved, and when the transformer is cooled, the glue is solidified immediately, so that the coil 2 is further reinforced.
The vertical plate is also arranged between the paper board and the inner wall of the oil tank 1 for separation to form a second oil duct 6, and the bottom and the upper part of the first oil duct 3 are communicated with the bottom and the upper part of the second oil duct 6.
The existence of the second oil passage 6 can increase the convection range and accelerate the heat dissipation.
As shown in fig. 2, the riser divide into the three-layer, inlayer 71 and outer 72's plank layer, the plank layer both ends of inlayer are equipped with the board of bending, and the board of bending at both ends is bent to the inboard, and outer plank layer both ends are equipped with the board of bending equally, and the board of bending at both ends is bent to the outside, the board of bending on inlayer and the outer plank layer is relative, and the part of bending overlap each other forms the buckle, is equipped with the regulating layer in the middle of inlayer and the outer plank layer, and the regulating layer specifically is spring 73, and the spring top is between inlayer and outer plank layer.
The inboard and the outer minimum interval of riser have been injectd on the one hand to the board of bending, avoid the passageway to be extruded and disappear, and the inboard and the outer maximum interval of riser have been injectd in the existence of the board bending part of on the other hand, avoid riser transition extrusion coil or cardboard, lead to damaging.
One end of the spring 73 is fixed on the inner layer, one side of the outer layer is provided with a sliding groove 721, the other end of the spring is connected with a sliding block 731, and the sliding block is clamped in the sliding groove.
Utilize the spring to remain inlayer and outer wood board layer throughout and handle and hug closely the coil, press the wood board layer hard, can remove the riser, dismantle, it is all comparatively convenient to overhaul, simultaneously, can also according to the demand, the regulation of passageway size is accomplished to the increase riser fast or reduction riser.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Improved generation heat radiation structure of oil-immersed distribution transformer, its characterized in that: the main part is the oil tank, and the inside coil that is equipped with of oil tank, coil are the surrounding type, and the middle part is left empty, is equipped with the riser between coil and the coil and separates, forms first oil duct, first oil duct and middle part intercommunication, fill the cardboard between coil and the oil tank inner wall, oil filling in the oil tank.
2. The improved heat dissipation structure for oil-filled distribution transformers according to claim 1, characterized in that: the paperboard is divided into three layers, the middle layer is 0.08mm cable paper, and the outer layer is 0.25mm point gummed paper.
3. The improved heat dissipation structure for oil-filled distribution transformers according to claim 1, characterized in that: and a vertical plate is also arranged between the paperboard and the inner wall of the oil tank for separation to form a second oil duct, and the first oil duct is communicated with the bottom and the upper part of the second oil duct.
4. The improved heat dissipation structure for oil-filled distribution transformers according to claim 1, characterized in that: the riser divide into the three-layer, inlayer and outer plank layer, the plank layer both ends of inlayer are equipped with the board of bending, the board of bending at both ends is bent to the inboard, outer plank layer both ends are equipped with the board of bending equally, the board of bending at both ends is bent to the outside, the board of bending on inlayer and the outer plank layer is relative, and the mutual overlap joint of part of bending forms the buckle, is equipped with the regulation layer in the middle of inlayer and the outer plank layer, and the regulation layer specifically is the spring, and the spring top is between inlayer and outer plank layer.
5. The improved heat dissipation structure for oil-filled distribution transformers according to claim 4, wherein: one end of the spring is fixed on the inner layer, a sliding groove is formed in one side of the outer layer, the other end of the spring is connected with a sliding block, and the sliding block is clamped in the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020763445.6U CN212136161U (en) | 2020-05-09 | 2020-05-09 | Improved heat radiation structure of oil-immersed distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020763445.6U CN212136161U (en) | 2020-05-09 | 2020-05-09 | Improved heat radiation structure of oil-immersed distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212136161U true CN212136161U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020763445.6U Active CN212136161U (en) | 2020-05-09 | 2020-05-09 | Improved heat radiation structure of oil-immersed distribution transformer |
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| Country | Link |
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| CN (1) | CN212136161U (en) |
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2020
- 2020-05-09 CN CN202020763445.6U patent/CN212136161U/en active Active
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