CN212782987U - High-efficient heat dissipation type dry-type transformer core assembly - Google Patents
High-efficient heat dissipation type dry-type transformer core assembly Download PDFInfo
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- CN212782987U CN212782987U CN202022004155.6U CN202022004155U CN212782987U CN 212782987 U CN212782987 U CN 212782987U CN 202022004155 U CN202022004155 U CN 202022004155U CN 212782987 U CN212782987 U CN 212782987U
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Abstract
The utility model relates to a transformer heat dissipation technical field especially relates to a high-efficient heat dissipation type dry-type transformer iron core assembly. The annular oil tank is arranged between an iron core and an insulating cylinder, a plurality of fine heat dissipation pipes are arranged in the middle of the annular oil tank in the vertical direction and are in contact with the iron core, heat generated by the iron core is exchanged to heat conduction oil in the fine heat dissipation pipes, the heat oil is pumped to external heat dissipation fins under the action of a circulating oil pump, the heat generated by the iron core is conducted to the outside, and the heat dissipation performance of the iron core is good; the top of each cooling fan is fixedly provided with a cooling fin, the cooling fins can be cooled when the fan works, the periphery of the transformer can be cooled through upward airflow, and the overall cooling performance of the transformer is good.
Description
Technical Field
The utility model relates to a transformer heat dissipation technical field especially relates to a high-efficient heat dissipation type dry-type transformer iron core assembly.
Background
Cooling methods of the dry type transformer are classified into natural air cooling (AN) and forced air cooling (AF). During natural air cooling, the transformer can continuously run for a long time under the rated capacity under the normal use condition. When forced air cooling is carried out, the output capacity of the transformer can be improved by 50% under the normal use condition, and the method is suitable for intermittent overload operation or emergency accident overload operation.
Traditional forced air cooling bloies through the fan of transformer both sides below and dispels the heat, but the most main heat source of transformer comes from the eddy current loss of iron core, and the upright yoke post of iron core is wrapped up inside the coil winding, and the air current is difficult for acting on the iron core when the fan is bloied, and the iron core radiating effect is poor.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to the technical insufficiency, and a high-efficient heat dissipation type dry-type transformer iron core assembly is provided, including the annular oil tank is arranged between the iron core and the insulating cylinder, the middle part of the annular oil tank is provided with a plurality of fine heat dissipation pipes in the vertical direction, the fine heat dissipation pipes are contacted with the iron core, the heat generated by the iron core is exchanged for the heat conduction oil in the fine heat dissipation pipes, the heat oil is pumped to the external heat dissipation fins under the action of the circulating oil pump, the heat generated by the iron core is conducted to the outside, and the heat dissipation performance of the iron core is better; the top of each cooling fan is fixedly provided with a cooling fin, the cooling fins can be cooled when the fan works, the periphery of the transformer can be cooled through upward airflow, and the overall cooling performance of the transformer is good.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the cooling device comprises an iron core, a fixed pressing piece and an oil cooling circulation heat dissipation device; the iron core is fixedly arranged on the fixed pressing piece; the iron core is provided with a coil winding; an insulating cylinder is arranged between the coil winding and the iron core; the oil cooling circulation heat dissipation device comprises a heat dissipation fan, a circulation oil pump, heat dissipation fins, an annular oil tank, a connecting oil pipe, a hose and an oil return pipe; the bottom of the fixed pressing piece is provided with a ground foot; the radiating fan is fixedly arranged on the feet at two sides of the coil winding; a fixing plate is fixedly arranged at the bottom of one end of the fixed pressing piece; the circulating oil pump is fixedly arranged on the fixing plate.
Further optimizing the technical scheme, the annular oil tank is arranged between the iron core and the insulating cylinder; a plurality of fine heat dissipation pipes are arranged in the middle of the annular oil tank in the vertical direction; the fine heat dissipation pipe is in contact with the iron core.
Further optimizing the technical scheme, the top of the right side of the annular oil tank is provided with an oil outlet pipe; the oil outlet pipe is communicated with the oil return pipe; one end of the oil return pipe is sealed; the other end of the oil return pipe is connected with the inlet end of the circulating oil pump through a hose.
Further optimize this technical scheme, radiator fan top all fixedly be provided with radiating fin.
Further optimizing the technical scheme, one end of the right radiating fin is provided with an oil inlet; the oil inlet is communicated with the outlet end of the circulating oil pump through a hose.
Further optimize this technical scheme, the right side radiating fin other end and left side radiating fin pass through connecting oil pipe intercommunication.
Further optimizing the technical scheme, the bottom of the left side of the annular oil tank is provided with an oil inlet pipe; the oil inlet pipe is communicated with the left side radiating fin.
Compared with the prior art, the utility model has the advantages of it is following:
1. the annular oil tank is arranged between the iron core and the insulating cylinder, the middle part of the annular oil tank is provided with a plurality of fine heat dissipation pipes in the vertical direction, the fine heat dissipation pipes are in contact with the iron core, heat generated by the iron core is exchanged for heat conduction oil in the fine heat dissipation pipes, the heat generated by the iron core is pumped to external heat dissipation fins under the action of the circulating oil pump, the heat generated by the iron core is conducted to the outside, and the heat dissipation performance of the iron core is better.
2. The top of each cooling fan is fixedly provided with a cooling fin, the cooling fins can be cooled when the fan works, the periphery of the transformer can be cooled through upward airflow, and the overall cooling performance of the transformer is good.
3. And a circulation loop is formed between the oil tank and the radiating fins, and the iron core can be continuously radiated by pumping oil through the circulating oil pump.
Drawings
Fig. 1 is a three-dimensional structural view of an efficient heat dissipation dry-type transformer core assembly.
Fig. 2 is a schematic diagram of an installation position of an oil-cooling circulation heat dissipation device of an efficient heat dissipation type dry-type transformer core assembly.
Fig. 3 is a schematic diagram of an installation structure of a coil winding, insulating paper and an oil tank of an efficient heat dissipation dry-type transformer core assembly.
Fig. 4 is a schematic diagram of an oil tank structure of an efficient heat dissipation dry-type transformer core assembly.
Fig. 5 is a schematic view of a heat dissipation cycle system of a high-efficiency heat dissipation dry-type transformer core assembly.
In the figure: 1. an iron core; 2. fixing the pressing piece; 201. ground feet; 202. a fixing plate; 3. an oil-cooled circulation heat dissipation device; 301. a heat radiation fan; 302. a circulating oil pump; 303. a heat dissipating fin; 304. an annular fuel tank; 305. connecting an oil pipe; 306. a hose; 307. an oil return pipe; 308. a fine heat dissipation pipe; 309. an oil outlet pipe; 310. an oil inlet; 311. an oil inlet pipe; 4. a coil winding; 5. an insulating cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The first embodiment is as follows: with reference to fig. 1-5, an efficient heat dissipation dry type transformer core assembly is characterized in that: the cooling device comprises an iron core 1, a fixed pressing piece 2 and an oil cooling circulation heat dissipation device 3; the iron core 1 is fixedly arranged on the fixed pressing piece 2; the iron core 1 is provided with a coil winding 4; an insulating cylinder 5 is arranged between the coil winding 4 and the iron core 1; the oil-cooling circulation heat dissipation device 3 comprises a heat dissipation fan 301, a circulation oil pump 302, heat dissipation fins 303, an annular oil tank 304, a connecting oil pipe 305, a hose 306 and an oil return pipe 307; the bottom of the fixed pressing piece 2 is provided with a foot margin 201; the heat dissipation fan 301 is fixedly arranged on the feet 201 at two sides of the coil winding 4; a fixing plate 202 is fixedly arranged at the bottom of one end of the fixed pressing piece 2; the circulation oil pump 302 is fixedly provided on the fixing plate 202.
Preferably, the annular oil tank 304 is arranged between the iron core 1 and the insulating cylinder 5; a plurality of fine heat dissipation pipes 308 are arranged in the middle of the annular oil tank 304 in the vertical direction; the fine heat radiation pipe 308 is in contact with the iron core 1.
Preferably, an oil outlet pipe 309 is arranged at the top of the right side of the annular oil tank 304; the oil outlet pipe 309 is communicated with the oil return pipe 307; one end of the oil return pipe 307 is sealed; the other end of the oil return pipe 307 is connected with the inlet end of the circulating oil pump 302 through a hose 306.
Preferably, the top of the heat dissipation fan 301 is fixedly provided with a heat dissipation fin 303.
Preferably, one end of the right radiating fin 303 is provided with an oil inlet 310; the oil inlet 310 is communicated with the outlet end of the circulating oil pump 302 through a hose 306.
Preferably, the other end of the right heat dissipating fin 303 and the left heat dissipating fin 303 are communicated through a connecting oil pipe 305.
Preferably, an oil inlet pipe 311 is arranged at the bottom of the left side of the annular oil tank 304; the oil inlet pipe 311 is communicated with the left side radiating fin 303.
When in use, in the first step, as shown in fig. 1-5, the circulating oil pump 302 is started, and an oil inlet 310 is arranged at one end of the right side heat dissipation fin 303; the oil inlet 310 is communicated with the outlet end of the circulating oil pump 302 through the hose 306, so that the circulating oil pump 302 can push heat conduction oil to enter the right radiating fin 303 from the hose 306 and the oil inlet 310; because the other end of the right radiating fin 303 is communicated with the left radiating fin 303 through the connecting oil pipe 305, the heat conducting oil passes through the right radiating fin 303 and then reaches the inside of the left radiating fin 303 through the connecting oil pipe 305.
Because the bottom of the left side of the annular oil tank 304 is provided with an oil inlet pipe 311; the oil inlet pipe 311 is communicated with the left side heat radiating fins 303, so that heat conducting oil in the left side heat radiating fins 303 can enter the three annular oil tanks 304 through the oil inlet pipe 311.
An oil outlet pipe 309 is arranged at the top of the right side of the annular oil tank 304; the oil outlet pipe 309 is communicated with the oil return pipe 307; one end of the oil return pipe 307 is sealed; the other end of the oil return pipe 307 is connected with the inlet end of the circulating oil pump 302 through a hose 306, so that the heat conducting oil in the annular oil tank 304 flows out of the oil outlet pipe 309 at the top of the right side of the annular oil tank 304 and then flows back to the oil inlet 310 of the oil pump through the oil return pipe 307.
Flow direction of the heat transfer oil: the circulating oil pump 302 → the hose 306 → the right side heat dissipation fin 303 → the connecting oil pipe 305 → the left side heat dissipation fin 303 → the oil inlet pipe 311 → the annular oil tank 304 → the oil outlet pipe 309 → the oil return pipe 307 → the hose 306 → the circulating oil pump 302.
A circulation loop is formed between the annular oil tank 304 and the heat dissipation fins 303, and the iron core 1 can be continuously dissipated by pumping oil through the circulation oil pump 302.
Step two, as shown in fig. 1-5, because the annular oil tank 304 is arranged between the iron core 1 and the insulating cylinder 5, the middle part of the annular oil tank 304 is provided with a plurality of fine heat dissipation pipes 308 in the vertical direction, the fine heat dissipation pipes 308 are in contact with the iron core 1, heat generated by the iron core 1 is exchanged to heat conduction oil in the fine heat dissipation pipes 308, the heat oil is pumped to the external heat dissipation fins 303 under the action of the circulating oil pump 302, the heat generated by the iron core 1 is conducted to the outside, the heat dissipation performance of the iron core 1 is good, the eddy current loss of the most main heat of the transformer from the iron core is solved, the upright yoke columns of the iron core are wrapped inside the coil winding, air flow hardly acts on the iron core when the fan blows air, and the heat dissipation effect of the.
The top of each heat dissipation fan 301 is fixedly provided with a heat dissipation fin 303, when heat conduction oil absorbs heat at the position of the iron core 1 and then is pumped into the heat dissipation fins 303 through the circulating oil pump 302, the heat dissipation fins 303 are high in temperature, upward air flow can be generated when the heat dissipation fan 301 works, the upward air flow penetrates through the heat dissipation fins 303, and therefore the heat dissipation fins 303 are cooled through the upward air flow, and therefore the heat conduction oil is enabled to be pumped into the annular oil tank 304 at a low temperature in a circulating mode.
When the fan works, the heat dissipation fins 303 can be dissipated, the periphery of the transformer can be dissipated through upward airflow, and the overall heat dissipation performance of the transformer is good.
The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. The utility model provides a high-efficient heat dissipation type dry-type transformer core assembly which characterized in that: comprises an iron core (1), a fixed pressing piece (2) and an oil cooling circulation heat dissipation device (3); the iron core (1) is fixedly arranged on the fixed pressing piece (2); the iron core (1) is provided with a coil winding (4); an insulating cylinder (5) is arranged between the coil winding (4) and the iron core (1); the oil cooling circulation heat dissipation device (3) comprises a heat dissipation fan (301), a circulation oil pump (302), heat dissipation fins (303), an annular oil tank (304), a connecting oil pipe (305), a hose (306) and an oil return pipe (307); the bottom of the fixed pressing piece (2) is provided with a ground pin (201); the heat radiation fan (301) is fixedly arranged on the ground feet (201) at two sides of the coil winding (4); a fixing plate (202) is fixedly arranged at the bottom of one end of the fixed pressing piece (2); the circulating oil pump (302) is fixedly arranged on the fixing plate (202).
2. A high efficiency heat dissipating dry-type transformer core assembly as claimed in claim 1, wherein: the annular oil tank (304) is arranged between the iron core (1) and the insulating cylinder (5); a plurality of fine heat dissipation pipes (308) are arranged in the middle of the annular oil tank (304) in the vertical direction; the fine heat dissipation pipe (308) is in contact with the iron core (1).
3. A high efficiency heat dissipating dry-type transformer core assembly as claimed in claim 1, wherein: an oil outlet pipe (309) is arranged at the top of the right side of the annular oil tank (304); the oil outlet pipe (309) is communicated with the oil return pipe (307); one end of the oil return pipe (307) is sealed; the other end of the oil return pipe (307) is connected with the inlet end of the circulating oil pump (302) through a hose (306).
4. A high efficiency heat dissipating dry-type transformer core assembly as claimed in claim 1, wherein: and the tops of the radiating fans (301) are fixedly provided with radiating fins (303).
5. A high efficiency heat dissipating dry-type transformer core assembly as claimed in claim 1, wherein: an oil inlet (310) is formed in one end of the right radiating fin (303); the oil inlet (310) is communicated with the outlet end of the circulating oil pump (302) through a hose (306).
6. A high efficiency heat dissipating dry-type transformer core assembly as claimed in claim 1, wherein: the other end of the right side radiating fin (303) is communicated with the left side radiating fin (303) through a connecting oil pipe (305).
7. A high efficiency heat dissipating dry-type transformer core assembly as claimed in claim 1, wherein: an oil inlet pipe (311) is arranged at the bottom of the left side of the annular oil tank (304); the oil inlet pipe (311) is communicated with the left side radiating fin (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022004155.6U CN212782987U (en) | 2020-09-14 | 2020-09-14 | High-efficient heat dissipation type dry-type transformer core assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022004155.6U CN212782987U (en) | 2020-09-14 | 2020-09-14 | High-efficient heat dissipation type dry-type transformer core assembly |
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| CN212782987U true CN212782987U (en) | 2021-03-23 |
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| CN202022004155.6U Active CN212782987U (en) | 2020-09-14 | 2020-09-14 | High-efficient heat dissipation type dry-type transformer core assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117672673A (en) * | 2024-01-31 | 2024-03-08 | 荣尔电气集团股份有限公司 | Heat radiation structure of dry-type transformer |
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2020
- 2020-09-14 CN CN202022004155.6U patent/CN212782987U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117672673A (en) * | 2024-01-31 | 2024-03-08 | 荣尔电气集团股份有限公司 | Heat radiation structure of dry-type transformer |
| CN117672673B (en) * | 2024-01-31 | 2024-04-19 | 荣尔电气集团股份有限公司 | Heat radiation structure of dry-type transformer |
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