CN214043349U - Heat extraction and dissipation device of oil-immersed power transformer - Google Patents

Heat extraction and dissipation device of oil-immersed power transformer Download PDF

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Publication number
CN214043349U
CN214043349U CN202022606974.8U CN202022606974U CN214043349U CN 214043349 U CN214043349 U CN 214043349U CN 202022606974 U CN202022606974 U CN 202022606974U CN 214043349 U CN214043349 U CN 214043349U
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oil
heat
cooling chamber
pipe
cooling
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CN202022606974.8U
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Inventor
何晨豪
何力
杨小吉
张志华
王贵清
解志伟
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Domain Electric Group Nanjing Co ltd
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Domain Electric Group Nanjing Co ltd
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Abstract

The utility model belongs to the technical field of power equipment, in particular to a heat extraction and dissipation device of an oil-immersed power transformer, which comprises a transformer body, wherein insulating oil is filled in an oil tank, the transformer body is subjected to heat exchange through the insulating oil, the insulating oil is extracted into a cooling chamber through an oil outlet pipe after the insulating oil is slowly heated, the insulating oil can be subjected to heat dissipation and cooling when passing through a heat absorption pipe, meanwhile, a cooling liquid semiconductor refrigeration chip and a heat dissipation fin can carry out multiple cooling on the insulating oil, thereby realizing the heat dissipation and heat extraction of the cooled insulating oil to the transformer body, a suction fan sucks external wind into an air cooling chamber, the surface of a wind channel is rapidly cooled by air flow, namely, the wind channel can realize continuous heat exchange to an oil inlet pipe, further realizing the heat exchange of the insulating oil and the heat extraction of the transformer body with low energy consumption, high heat exchange efficiency, and the heat conduction property is increased through the mutual matching of a heat dissipation fin and a heat conduction coating, further providing the heat dissipation performance of the transformer.

Description

Heat extraction and dissipation device of oil-immersed power transformer
Technical Field
The utility model relates to a power equipment technical field, concretely relates to oil-immersed power transformer's heat extraction heat abstractor.
Background
The oil-immersed transformer can be widely applied to many occasions as a large-scale transformer, has the characteristics of large volume, low cost, simple maintenance, strong overload capacity and wide adaptive environment, and has the advantages that the energy consumption in the iron core and the winding is converted into heat in the operation process of the traditional oil-immersed transformer, so that the normal operation temperature of the transformer is ensured to have important significance for the service life and the stable operation of the transformer.
However, the conventional oil-immersed power transformer is exposed outdoors for a long time, and the transformer oil is easily damaged because the transformer oil cannot be subjected to heat removal and radiation due to overhigh temperature.
SUMMERY OF THE UTILITY MODEL
For solving the problem that proposes among the above-mentioned background art, the utility model provides an oil-immersed power transformer's heat extraction heat abstractor has the characteristics to power transformer's heat dissipation and heat extraction.
In order to achieve the above object, the utility model provides a following technical scheme: the heat extraction and dissipation device of the oil-immersed power transformer comprises an oil tank, a transformer body is placed in the oil tank, a heat dissipation box is fixedly connected to the right side of the oil tank, a cooling chamber is installed in the heat dissipation box, the right side of the oil tank is communicated with an oil outlet pipe, the other end of the oil outlet pipe is communicated with the cooling chamber, a cooling pipe is fixedly connected to the outer wall of the cooling chamber, cooling liquid is filled in the cooling pipe, a plurality of uniformly distributed heat dissipation fins are installed between the cooling pipe and the cooling chamber, a plurality of obliquely arranged heat absorption pipes are installed in the cooling chamber, and a semiconductor refrigeration chip is installed on the outer wall of the cooling pipe;
the cooling device is characterized in that an air cooling chamber is arranged above the cooling chamber, a suction fan is installed on the right side of the inside of the air cooling chamber, and an air channel is formed in the left side of the suction fan.
In order to provide the heat dispersion of transformer, as the utility model relates to an oil-immersed power transformer's heat extraction heat abstractor is preferred, the back mounted of oil tank has the fan, the below of fan is provided with a plurality of evenly distributed's fin, the equal fixedly connected with heat conduction coating of outer wall of fin.
In order to avoid outside dust impurity to inhale the wind channel, further keep apart a plurality of products simultaneously, conduct the utility model relates to an oil-immersed power transformer's heat extraction heat abstractor is preferred, a plurality of the filter is installed to the up end of heat absorption pipe, the right side fixedly connected with filter screen of forced air cooling room.
In order to realize the heat dissipation to the transformer body, as the utility model relates to an oil-immersed power transformer's heat extraction heat abstractor is preferred, the up end intercommunication of cooling chamber has defeated oil pipe, defeated oil pipe's up end runs through the up end of air-cooled cooling chamber and heat dissipation case in proper order and extends to the outside of heat dissipation case, defeated oil pipe's up end intercommunication has into oil pipe, the lower terminal surface and the oil tank intercommunication that advance oil pipe.
In order to improve the heat dispersion of transformer, as the utility model relates to an oil-immersed power transformer's heat extraction heat abstractor is preferred, install the buckler between transformer body and the oil tank, the heat conduction coating is graphite alkene heat conduction coating.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this kind of oily formula power transformer's heat extraction heat abstractor, through the insulating oil of packing into in the oil tank, carry out the heat exchange through insulating oil to transformer body, extract insulating oil to the cooling chamber through going out the oil pipe after insulating oil slowly heaies up, can dispel the heat and cool down when insulating oil process heat absorption pipe, cooling liquid semiconductor refrigeration chip and radiating fin can carry out insulating oil many times cooling simultaneously, and then realized the heat dissipation and the heat extraction of insulating oil after the cooling to transformer body.
2. This kind of oil-immersed power transformer's heat extraction heat abstractor, in the suction fan inhales the wind cooling chamber with outside wind, the wind channel surface is cooled down rapidly by the air current, and the wind channel can realize lasting the heat transfer to advancing oil pipe promptly, and then has realized the heat exchange to insulating oil and to the heat extraction and the power consumption of transformer body low, and heat exchange efficiency is high.
To sum up, this kind of oily formula power transformer's heat extraction heat abstractor has realized the heat dissipation and the effect of heat extraction to power transformer.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a structural diagram of a heat removal and dissipation device of an oil-immersed power transformer according to the present invention;
fig. 2 is a cross-sectional view of the heat removal and dissipation device of the oil-immersed power transformer of the present invention;
FIG. 3 is a cross-sectional view of the cooling chamber of the present invention;
fig. 4 is a rear view of the fuel tank of the present invention.
In the figure, 1, a fuel tank; 2. a heat dissipation box; 3. a transformer body; 301. an oil outlet pipe; 302. a waterproof cover; 4. a cooling chamber; 401. a cooling tube; 402. a heat dissipating fin; 403. a heat absorbing tube; 404. a filter plate; 405. a semiconductor refrigeration chip; 5. an oil delivery pipe; 501. an oil inlet pipe; 6. an air cooling chamber; 601. a suction fan; 602. an air duct; 603. a filter screen; 7. a fan; 701. a heat sink; 702. a thermally conductive coating.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides the following technical solutions: a heat extraction and dissipation device of an oil-immersed power transformer comprises an oil tank 1, a transformer body 3 is placed inside the oil tank 1, a heat dissipation box 2 is fixedly connected to the right side of the oil tank 1, a cooling chamber 4 is installed inside the heat dissipation box 2, an oil outlet pipe 301 is communicated with the right side of the oil tank 1, the other end of the oil outlet pipe 301 is communicated with the cooling chamber 4, a cooling pipe 401 is fixedly connected to the outer wall of the cooling chamber 4, cooling liquid is filled inside the cooling pipe 401, a plurality of uniformly distributed heat dissipation fins 402 are installed between the cooling pipe 401 and the cooling chamber 4, a plurality of obliquely arranged heat absorption pipes 403 are installed inside the cooling chamber 4, and a semiconductor refrigeration chip 405 is installed on the outer wall of the cooling pipe 401;
an air cooling chamber 6 is arranged above the cooling chamber 4, a suction fan 601 is arranged on the right side inside the air cooling chamber 6, and an air duct 602 is arranged on the left side of the suction fan 601.
In this embodiment: insulating oil is filled in the oil tank 1, heat exchange is carried out on the transformer body 3 through the insulating oil, the insulating oil is extracted into the cooling chamber 4 through the oil outlet pipe 301 after the insulating oil is slowly heated, heat dissipation and cooling can be carried out when the insulating oil passes through the heat absorption pipe 403, meanwhile, the insulating oil can be cooled for multiple times through the cooling liquid semiconductor refrigeration chip 405 and the heat dissipation fins 402, and heat dissipation and heat extraction of the cooled insulating oil on the transformer body 3 are further achieved;
in the suction fan 601 inhales outside wind into the wind cooling chamber 6, the surface of the air duct 602 is rapidly cooled by the air flow, that is, the air duct 602 can continuously exchange heat with the oil inlet pipe 501, so that heat exchange of insulating oil and heat extraction of the transformer body 3 are realized, energy consumption is low, and heat exchange efficiency is high.
As the utility model discloses a technical optimization scheme, the back mounted of oil tank 1 has fan 7, and fan 7's below is provided with a plurality of evenly distributed's fin 701, the equal fixedly connected with heat conduction coating 702 of fin 701's outer wall.
In this embodiment: can assist oil tank 1 to carry out the heat dissipation work to transformer body 3 through fan 7, increase heat-conduction property through the mutually supporting of fin 701 and thermal conductive coating 702, further provide the heat dispersion of transformer.
As a technical optimization scheme of the utility model, the filter 404 is installed to the up end of a plurality of heat-absorbing pipes 403, and the right side fixedly connected with filter screen 603 of air-cooled room 6.
In this embodiment: can carry out refrigerated insulating oil through filter 404 and filter to transformer body 3, avoid having in the oil tank 1 of impurity reentrant, can avoid suction fan 601 to inhale the wind channel 602 with outside dust impurity at the during operation through filter screen 603, influence going on smoothly of work.
As the utility model discloses a technical optimization scheme, the up end intercommunication of cooling chamber 4 has defeated oil pipe 5, and defeated oil pipe 5's up end runs through the up end of air-cooled cooling chamber 6 and heat dissipation case 2 in proper order and extends to the outside of heat dissipation case 2, and defeated oil pipe 5's up end intercommunication has into oil pipe 501, advances oil pipe 501's lower terminal surface and oil tank 1 intercommunication.
In this embodiment: the insulating oil which is subjected to cold treatment in the cooling chamber 4 is extracted to the air cooling chamber 6 for heat exchange, and then the cooled insulating oil is conveyed to the oil tank 1 through the oil conveying pipe 5 to cool the transformer body 3, so that the heat dissipation of the transformer body 3 is realized.
As a technical optimization scheme of the utility model, install buckler 302 between transformer body 3 and the oil tank 1, heat conduction coating 702 is graphite alkene heat conduction coating.
In this embodiment: can avoid the insulating oil in the oil tank 1 to get into other parts in the transformer body 3 through the buckler 302, and then guaranteed that transformer body 3 works more stably safety, increased heat-conduction property for graphite alkene heat conduction coating through heat conduction coating 702, further improve the heat dispersion of transformer.
The utility model discloses a theory of operation and use flow: firstly, pack into insulating oil in oil tank 1, carry out the heat exchange through insulating oil to transformer body 3, after that extract insulating oil to cooling chamber 4 through play oil pipe 301 after insulating oil slowly heaies up, can dispel the heat and cool down when insulating oil passes through heat-absorbing pipe 403, coolant liquid semiconductor refrigeration chip 405 and radiating fin 402 can carry out the cooling down many times with insulating oil simultaneously, secondly extract the insulating oil through cold treatment in cooling chamber 4 to wind cooling chamber 6, suction fan 601 inhales the wind cooling chamber 6 with outside wind in, wind channel 602 surface is cooled down by the air current rapidly, wind channel 602 can realize advancing oil pipe 501 and continuously exchanging heat, carry out cooling work to transformer body 3 in transporting oil tank 1 through defeated oil pipe 5 with the insulating oil after the cooling at last.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. The utility model provides an oil-immersed power transformer's heat extraction heat abstractor, includes oil tank (1), transformer body (3), its characterized in that have been placed to the inside of oil tank (1): the cooling device comprises an oil tank (1), a heat dissipation tank (2) is fixedly connected to the right side of the oil tank (1), a cooling chamber (4) is installed inside the heat dissipation tank (2), an oil outlet pipe (301) is communicated with the right side of the oil tank (1), the other end of the oil outlet pipe (301) is communicated with the cooling chamber (4), a cooling pipe (401) is fixedly connected to the outer wall of the cooling chamber (4), cooling liquid is filled inside the cooling pipe (401), a plurality of uniformly distributed heat dissipation fins (402) are installed between the cooling pipe (401) and the cooling chamber (4), a plurality of obliquely arranged heat absorption pipes (403) are installed inside the cooling chamber (4), and a semiconductor refrigeration chip (405) is installed on the outer wall of the cooling pipe (401);
the air cooling device is characterized in that an air cooling chamber (6) is arranged above the cooling chamber (4), a suction fan (601) is installed on the right side inside the air cooling chamber (6), and an air duct (602) is formed in the left side of the suction fan (601).
2. The heat removal and dissipation device for the oil-filled power transformer of claim 1, wherein: the back mounting of oil tank (1) has fan (7), the below of fan (7) is provided with a plurality of evenly distributed's fin (701), the equal fixedly connected with heat conduction coating (702) of outer wall of fin (701).
3. The heat removal and dissipation device for the oil-filled power transformer of claim 1, wherein: the upper end faces of the heat absorbing pipes (403) are provided with filter plates (404), and the right side of the air cooling chamber (6) is fixedly connected with a filter screen (603).
4. The heat removal and dissipation device for the oil-filled power transformer of claim 1, wherein: the up end intercommunication of cooling chamber (4) has defeated oil pipe (5), the up end of defeated oil pipe (5) runs through the up end of air-cooled cooling chamber (6) and heat dissipation case (2) in proper order and extends to the outside of heat dissipation case (2), the up end intercommunication of defeated oil pipe (5) has into oil pipe (501), the lower terminal surface and oil tank (1) intercommunication that advance oil pipe (501).
5. The heat removal and dissipation device for the oil-filled power transformer as recited in claim 2, wherein: install buckler (302) between transformer body (3) and oil tank (1), heat conduction coating (702) is graphite alkene heat conduction coating.
CN202022606974.8U 2020-11-12 2020-11-12 Heat extraction and dissipation device of oil-immersed power transformer Active CN214043349U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022606974.8U CN214043349U (en) 2020-11-12 2020-11-12 Heat extraction and dissipation device of oil-immersed power transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022606974.8U CN214043349U (en) 2020-11-12 2020-11-12 Heat extraction and dissipation device of oil-immersed power transformer

Publications (1)

Publication Number Publication Date
CN214043349U true CN214043349U (en) 2021-08-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114121429A (en) * 2021-11-12 2022-03-01 国网江苏省电力有限公司盐城供电分公司 High-intelligent oil-immersed power transformer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114121429A (en) * 2021-11-12 2022-03-01 国网江苏省电力有限公司盐城供电分公司 High-intelligent oil-immersed power transformer
CN114121429B (en) * 2021-11-12 2023-07-07 国网江苏省电力有限公司盐城供电分公司 High intelligent oil-immersed power transformer

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