CN210984464U

CN210984464U - Transformer with good heat dissipation performance

Info

Publication number: CN210984464U
Application number: CN201922148550.9U
Authority: CN
Inventors: 梁松; 高峰; 郭万锋; 王秀朋; 刘春苗
Original assignee: Baoding People's Power Transmission And Transformation Co Ltd Of China Hebei Electric Power Group
Current assignee: Baoding People's Power Transmission And Transformation Co Ltd Of China Hebei Electric Power Group
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-10
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to a transformer heat dissipation technical field especially relates to a good heat dissipation's transformer. The transformer cooling device comprises a transformer shell, a semiconductor refrigerating sheet, a cold air fan, a flow guide cover, a cooling fin, a cooling fan, a transformer cooling fan, a cooling fan and a cooling fan, wherein liquid nitrogen directly dissipates heat of the transformer shell, the liquid nitrogen is gasified, heated and ascends to the position of the cooling fin, the generated cold air is blown out to the left side by the cold air fan when the semiconductor refrigerating sheet works, the cold air is guided onto the cooling fin along the flow guide cover, cold air flow flowing to the left side is formed at the position of the cooling fin, heat of the cooling fin is taken; the solar panel is adopted to provide electric energy for the refrigerating sheet and the fan, so that the energy-saving and environment-friendly effects are achieved.

Description

Transformer with good heat dissipation performance

Technical Field

The utility model relates to a transformer heat dissipation technical field especially relates to a good heat dissipation's transformer.

Background

A transformer is a stationary electrical device used to transform ac voltage, current and transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction; the transformer is generally installed outside and exposed outside; the heat generated by the loss in the winding and the iron core must be dissipated in time so as to avoid insulation damage caused by overheating, a large amount of heat can be generated during the operation of the transformer, particularly in summer, the transformer is exposed to sunlight, the temperature of the oil in the shell and the inside of the transformer is ultrahigh, the heat dissipation of the transformer is seriously influenced, and the burning loss of the transformer can be frequently caused.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to the technical insufficiency, a transformer with good heat dissipation performance is provided, the transformer shell is directly cooled by liquid nitrogen, the liquid nitrogen is gasified and heated and rises to the position of the radiating fin, the produced cold air is blown out to the left side by the cold air fan when the semiconductor refrigeration piece works, the cold air is guided to the radiating fin along the air guide sleeve, the cold air flow flowing to the left side is formed at the position of the radiating fin, the heat of the radiating fin is taken away under the action of the cold air flow, the gaseous nitrogen is condensed into liquid and falls downwards, thereby realizing the effect of the circulating cooling of the transformer, the cooling effect of the transformer is better, and the transformer can not be burnt and damaged under the insolation state; the solar panel is adopted to provide electric energy for the refrigerating sheet and the fan, so that the energy-saving and environment-friendly effects are achieved.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the transformer comprises a transformer body, a transformer shell and a semiconductor refrigeration piece; the transformer body is arranged inside the transformer shell; a top plate is fixedly arranged at the top of the transformer shell; the bottom of the transformer shell is provided with a fixed seat; the bottom of the fixed seat is provided with a fixed frame; a heat radiation fan is arranged on the right side of the semiconductor refrigeration sheet; and a cold air blower is arranged on the left side of the semiconductor refrigerating sheet.

Further optimizing the technical scheme, a plurality of transverse grooves are uniformly formed in the fixed seat in the width direction; a longitudinal groove is formed in the fixed seat in the length direction; the transverse groove and the longitudinal groove are communicated.

Further optimizing the technical scheme, the interior of the longitudinal groove and the transverse groove are filled with liquid nitrogen.

Further optimizing the technical scheme, a plurality of partition platforms are arranged on the top of the fixed seat on two sides of the transformer shell; a separation groove is formed in one side, facing the inside of the transformer shell, of the separation table top; the isolation groove is communicated with the interior of the transformer shell; a radiating pipe is arranged in the partition groove in the vertical direction; the bottom of the radiating pipe is communicated with the transverse groove; the top of the radiating pipe is sealed.

Further optimizing the technical scheme, the top of the radiating pipe is arranged above the partition table; and radiating fins are fixedly arranged on the radiating pipe above the partition table.

Further optimizing the technical scheme, one side of the radiating fin is fixedly provided with a flow guide cover on the transformer shell; the two ends of the air guide sleeve are opened.

Further optimizing the technical scheme, the cold air fan is fixedly arranged at the right end of the air guide sleeve; the cold air fan corresponds to the radiating fins in front and back.

Further optimizing the technical scheme, the top of the top plate is fixedly provided with a solar panel; and the solar panel is connected with the heat radiation fan, the semiconductor refrigeration piece and the cold air fan through electric wires.

Compared with the prior art, the utility model has the advantages of it is following:

1. the liquid nitrogen directly dissipates heat of the transformer shell, the liquid nitrogen is gasified and heated and rises to the positions of the heat dissipation fins, the liquid nitrogen has the effect of rapid heat conduction, and heat generated by the transformer is rapidly conducted to the heat dissipation fins.

2. When the semiconductor refrigerating sheet works, the generated cold air is blown out to the left side through the cold air fan, and the cold air is guided onto the radiating fins along the air guide sleeve, so that a flowing radiating mode is formed.

3. Cold air flow flowing towards the left side is formed at the position of the radiating fin, heat of the radiating fin is taken away under the action of the cold air flow, and gaseous nitrogen is condensed into liquid state and falls downwards, so that the circulating cooling effect of the transformer is realized, the cooling effect of the transformer is good, and the transformer cannot be burnt under the insolation state;

4. the solar panel is adopted to provide electric energy for the refrigerating sheet and the fan, so that the energy-saving and environment-friendly effects are achieved.

5. When sunlight is weak or the temperature is low at night, the solar energy is not enough to supply power, the heat dissipation system automatically stops, and the transformer dissipates heat through the shell.

6. When the sunlight is strong and the temperature is high, the solar energy is sufficient in power supply, and the heat dissipation system is forced to work normally.

Drawings

Fig. 1 is a perspective view showing an overall structure of a transformer having a good heat dissipation property.

Fig. 2 is a partial sectional view of a position structure of a dome of a transformer having a good heat dissipation property.

Fig. 3 is a partial sectional view showing a structure of a transverse groove portion of a transformer having a good heat dissipation property.

Fig. 4 is a partial sectional view showing a structure of a lateral groove and a vertical groove of a transformer having a good heat dissipation property.

In the figure: 1. a transformer body; 2. a transformer housing; 201. a top plate; 202. a fixed seat; 203. a fixed mount; 204. a transverse groove; 205. a longitudinal groove; 206. separating the platform; 207. separating the grooves; 208. a radiating pipe; 209. a heat dissipating fin; 210. a pod; 3. a semiconductor refrigeration sheet; 301. a heat radiation fan; 302. a cold air blower; 4. A solar panel.

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: referring to fig. 1 to 4, a transformer with good heat dissipation performance is characterized in that: the transformer comprises a transformer body 1, a transformer shell 2 and a semiconductor refrigerating sheet 3; the transformer body 1 is arranged inside the transformer shell 2; the top of the transformer shell 2 is fixedly provided with a top plate 201; the bottom of the transformer shell 2 is provided with a fixed seat 202; the bottom of the fixed seat 202 is provided with a fixed frame 203; a heat radiation fan 301 is arranged on the right side of the semiconductor refrigeration sheet 3; and a cold air blower 302 is arranged on the left side of the semiconductor refrigerating sheet 3.

Preferably, a plurality of transverse grooves 204 are uniformly arranged in the fixed seat 202 in the width direction; a longitudinal groove 205 is formed in the fixed seat 202 in the length direction; the transverse groove 204 and the longitudinal groove 205 penetrate.

Preferably, the vertical groove 205 and the horizontal groove 204 are filled with liquid nitrogen.

Preferably, a plurality of partition platforms 206 are arranged on the top of the fixed seat 202 at two sides of the transformer housing 2; the partition table 206 is provided with a partition groove 207 facing the inner side of the transformer shell 2; the isolation groove 207 is communicated with the interior of the transformer shell 2; a radiating pipe 208 is arranged in the vertical direction in the partition groove 207; the bottom of the radiating pipe 208 is communicated with the transverse groove 204; the top of the heat dissipation tube 208 is sealed.

Preferably, the top of the heat dissipation pipe 208 is disposed above the partition 206; a heat dissipation fin 209 is fixedly arranged on the heat dissipation pipe 208 above the partition 206.

Preferably, a flow guide sleeve 210 is fixedly arranged on the transformer housing 2 on one side of the heat dissipation fins 209; the pod cover 210 is open at both ends.

Preferably, the cold air blower 302 is fixedly arranged at the right end of the air guide sleeve 210; the cold air blower 302 corresponds to the heat radiating fins 209 in the front-back direction.

Preferably, a solar panel 4 is fixedly arranged on the top of the top plate 201; the solar panel 4 is connected with the heat radiation fan 301, the semiconductor refrigeration sheet 3 and the cold air fan 302 through electric wires.

When in use, in the first step, as shown in fig. 1-4, in hot weather in summer, the solar panel 4 is fixedly arranged on the top of the top plate 201; solar panel 4 and cooling fan 301, semiconductor refrigeration piece 3 and cold air fan 302 pass through connection of electric lines', so solar panel 4 generates electricity under the shining of stronger light, thereby be cold air fan 302 through the electric wire, cooling fan 301 and the 3 power supplies of semiconductor refrigeration piece, 3 during operation right sides of semiconductor refrigeration piece produce a large amount of heat, take the heat out from the right side through cooling fan 301, the refrigeration in 3 left sides of semiconductor refrigeration piece, thereby squeeze into the inside kuppe 210 with cold air through cold air fan 302, thereby form the cold wind to the left side flow.

Because' the inside of the fixed seat 202 is uniformly provided with a plurality of transverse grooves 204 in the width direction; a longitudinal groove 205 is formed in the fixed seat 202 in the length direction; the transverse groove 204 and the longitudinal groove 205 are communicated; the longitudinal groove 205 and the transverse groove 204 are filled with liquid nitrogen' so that heat generated when the transformer body 1 operates is absorbed by the liquid nitrogen, and the liquid nitrogen rapidly evaporates and absorbs heat to change into a gaseous state.

Because' the top of the fixed seat 202 is provided with a plurality of partition platforms 206 at two sides of the transformer shell 2; the partition table 206 is provided with a partition groove 207 facing the inner side of the transformer shell 2; the isolation groove 207 is communicated with the interior of the transformer shell 2; a radiating pipe 208 is arranged in the vertical direction in the partition groove 207; the bottom of the radiating pipe 208 is communicated with the transverse groove 204; the radiating pipe 208 is sealed at the top, so that the gaseous nitrogen moves to both sides along the lateral groove 204 and then passes through the radiating pipe 208 to enter above the radiating pipe 208.

Since the radiating fins 209 are provided on the radiating pipe 208 inside the pod 210, the heat of the top of the radiating pipe 208 is concentrated on the radiating fins.

Step two, as shown in fig. 1 to 4, the cold air flowing to the left side inside the air guide sleeve 210 takes away the heat generated by the heat dissipation fins 209 under the action of the air flow flowing to the left side; the cold air flow cools the heat dissipation fins 209 simultaneously during the flowing process, so that gaseous nitrogen at the top of the heat dissipation pipe 208 is cooled, and the gaseous nitrogen is condensed into a liquid state and falls downwards, thereby realizing the circulating cooling effect of the transformer.

In conclusion, the liquid nitrogen directly dissipates heat of the transformer shell, the liquid nitrogen is gasified and heated and rises to the position of the heat dissipation fins 209, when the semiconductor refrigeration sheet 3 works, generated cold air is blown out to the left side through the cold air fan 302, the cold air is guided onto the heat dissipation fins 209 along the flow guide cover 210, cold air flow flowing to the left side is formed at the position of the heat dissipation fins 209, heat of the heat dissipation fins 209 is taken away under the action of the cold air flow, gaseous nitrogen is condensed into liquid state and falls downwards, and therefore the effect of circularly cooling the transformer is achieved, the cooling effect of the transformer is good, and the transformer cannot be burnt under the insolation state; the solar panel 4 is adopted to provide electric energy for the refrigerating sheet and the fan, so that the energy-saving and environment-friendly effects are achieved.

When sunlight is weak or the temperature is low at night, the solar energy is not enough to supply power, the heat dissipation system automatically stops, and the transformer dissipates heat through the shell; when the sunlight is strong and the temperature is high, the solar energy is sufficient in power supply, and the heat dissipation system is forced to work normally.

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

1. A transformer with good heat dissipation performance is characterized in that: comprises a transformer body (1), a transformer shell (2) and a semiconductor refrigerating sheet (3); the transformer body (1) is arranged inside the transformer shell (2); a top plate (201) is fixedly arranged at the top of the transformer shell (2); a fixed seat (202) is arranged at the bottom of the transformer shell (2); the bottom of the fixed seat (202) is provided with a fixed frame (203); a heat radiation fan (301) is arranged on the right side of the semiconductor refrigerating sheet (3); and a cold air blower (302) is arranged on the left side of the semiconductor refrigerating sheet (3).

2. The transformer of claim 1, wherein: a plurality of transverse grooves (204) are uniformly arranged in the fixed seat (202) in the width direction; a longitudinal groove (205) is formed in the fixed seat (202) in the length direction; the transverse groove (204) and the longitudinal groove (205) are communicated.

3. The transformer of claim 2, wherein: the interior of the longitudinal groove (205) and the interior of the transverse groove (204) are filled with liquid nitrogen.

4. The transformer of claim 2, wherein: a plurality of partition platforms (206) are arranged on the top of the fixed seat (202) at two sides of the transformer shell (2); one side of the partition table (206) facing the inside of the transformer shell (2) is provided with a partition groove (207); the separation groove (207) is communicated with the interior of the transformer shell (2); a radiating pipe (208) is arranged in the vertical direction in the partition groove (207); the bottom of the radiating pipe (208) is communicated with the transverse groove (204); the top of the radiating pipe (208) is sealed.

5. The transformer of claim 4, wherein: the top of the radiating pipe (208) is arranged above the partition table (206); radiating fins (209) are fixedly arranged on the radiating pipe (208) above the partition table (206).

6. The transformer of claim 5, wherein: a flow guide sleeve (210) is fixedly arranged on the transformer shell (2) on one side of the heat dissipation fin (209); the two ends of the air guide sleeve (210) are open.

7. The transformer of claim 6, wherein: the cold air fan (302) is fixedly arranged at the right end of the air guide sleeve (210); the cold air fan (302) corresponds to the radiating fins (209) in the front-back direction.

8. The transformer of claim 1, wherein: a solar panel (4) is fixedly arranged at the top of the top plate (201); and the solar panel (4) is connected with the heat radiation fan (301), the semiconductor refrigeration sheet (3) and the cold air fan (302) through electric wires.