CN220962974U - High-power dry-type transformer matched with cooling system - Google Patents

High-power dry-type transformer matched with cooling system Download PDF

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Publication number
CN220962974U
CN220962974U CN202323022405.9U CN202323022405U CN220962974U CN 220962974 U CN220962974 U CN 220962974U CN 202323022405 U CN202323022405 U CN 202323022405U CN 220962974 U CN220962974 U CN 220962974U
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cooling
type transformer
power dry
heat exchange
air
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CN202323022405.9U
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宿婧姬
程慧
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Shanghai Zhiying Chemical Technology Co ltd
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Shanghai Zhiying Chemical Technology Co ltd
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Abstract

The utility model discloses a high-power dry-type transformer matched with a cooling system, and belongs to the technical field of transformer heat dissipation. The cooling device comprises a cooling liquid circulation system, a cooling connecting assembly and a high-power dry-type transformer, wherein the cooling connecting assembly is connected with a high-power dry-type transformer pipeline, the cooling liquid circulation system is connected with the cooling connecting assembly pipeline, and the cooling connecting assembly comprises an air cooling structure and a water cooling structure. According to the utility model, the cooling liquid circulation system can be placed outdoors or at a designated place, and the cooling liquid can be provided and recovered only through pipeline connection, so that the space occupation area of the high-power dry-type transformer is reduced, and the choice of the installable range of the high-power dry-type transformer is enlarged.

Description

High-power dry-type transformer matched with cooling system
Technical Field
The utility model relates to a high-power dry-type transformer matched with a cooling system, and belongs to the technical field of transformer heat dissipation.
Background
As the power consumption in the modern factory workshop is greatly increased compared with that in the past, for facilitating power distribution, a high-power dry-type transformer is generally arranged in the workshop, the influence of temperature on the dry-type transformer is very large, the temperature in the transformer is increased by one degree, the service life of the transformer can be shortened by half, the conventional high-power dry-type transformer only uses a cooling fan to dissipate heat, if the cooling fan is continuously arranged, the volume of the high-power dry-type transformer is overlarge, the selection of the installation position of the high-power dry-type transformer is influenced, and meanwhile, the heat dissipation performance of conventional air cooling is poor.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: the high-power dry-type transformer is matched with a cooling system, and solves the problems that the installation position of the high-power dry-type transformer is influenced by overlarge volume of a conventional high-power dry-type transformer in the prior art, and meanwhile, the heat dissipation performance of conventional air cooling is poor.
The technical problems to be solved by the utility model are realized by adopting the following technical scheme: the utility model provides a supporting cooling system's high-power dry-type transformer, including coolant circulation system, cooling coupling assembling and high-power dry-type transformer pipeline connection, coolant circulation system and cooling coupling assembling pipeline connection, cooling coupling assembling includes forced air cooling structure and water-cooling structure, forced air cooling structure is provided with two, the water-cooling structure is connected with two forced air cooling structures respectively, forced air cooling structure is through letting in the cold air in the high-power dry-type transformer and with high-power dry-type transformer hot air discharge to high-power dry-type transformer cooling, the water-cooling structure is through the supplementary forced air cooling structure of the mode of letting in and the exhaust air to forced air cooling structure cooling to high-power dry-type transformer cooling.
Through adopting above-mentioned technical scheme, the mode of traditional dry-type transformer natural heat dissipation or using radiator fan to assist the heat dissipation has been changed, through using coolant circulation system to provide the coolant liquid to the water-cooling structure in the cooling coupling assembling, the high-temperature gas in the high-power dry-type transformer is taken out to the air-cooling structure, then the air-cooling structure is with the quick cooling of the gas in the air-cooling structure, then the air-cooling structure is with the low-temperature gas leading-in high-power dry-type transformer to cool down, thereby the heat dispersion of high-power dry-type transformer has been improved greatly, coolant liquid circulation system can be placed outdoor or appointed place simultaneously, only through the pipeline connection can provide and retrieve the coolant liquid, the space occupation area of high-power dry-type transformer has been reduced and the choice of the mountable scope of high-power dry-type transformer has been enlarged simultaneously.
The utility model is further provided with: the air cooling structure comprises an outer moving sleeve, an inner fixing sleeve, a connecting pipe, an air flow channel and a fan, wherein the outer moving sleeve and the inner fixing sleeve are coaxially arranged in a sliding mode, the outer moving sleeve is sleeved outside the inner fixing sleeve, the joint of the outer moving sleeve and the inner fixing sleeve is sealed, the air flow channel is arranged on the inner fixing sleeve, an opening of the air flow channel is radially arranged towards the inner fixing sleeve, the connecting pipe is fixed on one end face of the inner fixing sleeve, the connecting pipe is communicated with the high-power dry-type transformer, and the fan is fixedly arranged on the connecting pipe.
Through adopting above-mentioned technical scheme, the fan is taken out the hot gas in the high-power dry-type transformer and is arranged to the internal fixation sleeve, and the tip that the connecting pipe was kept away from through the internal fixation sleeve to the hot air is discharged, sets up simultaneously on the internal fixation sleeve and can overhaul the fan in the connecting pipe through the air current passageway with the air current passageway, has improved the maintenance convenience to the fan.
The utility model is further provided with: the opening of the airflow channel is provided with a filtering baffle in a clamping way.
Through adopting above-mentioned technical scheme, through setting up filtering baffle and sealing the air current passageway, can avoid the foreign matter to get into the inside wind channel of airing exhaust that influences the fan of internal fixation sleeve through the air current passageway, guaranteed air-cooled structure's stability in use.
The utility model is further provided with: the water cooling structure comprises a heat exchange channel, a heat exchange tube, a liquid separation block, a liquid guide tube and a liquid separation cavity, wherein the heat exchange channel is arranged inside an inner fixing sleeve, the heat exchange channel is axially arranged along the inner fixing sleeve, the heat exchange tube is slidably arranged in the heat exchange channel, the heat exchange tube and the heat exchange channel are coaxially arranged, one end of the outer moving sleeve, which is far away from the connecting tube, is inwards folded to form a bulge in the axial direction, the heat exchange tube axially penetrates through the bulge of the outer moving sleeve and is fixedly connected with the bulge, the liquid separation block is fixed at one end of the heat exchange tube, which is far away from the inner fixing sleeve, the liquid separation cavity surrounds the liquid separation block and is arranged inside the liquid separation block, the end part of the heat exchange tube is communicated with the liquid separation cavity, one end of the liquid guide tube is communicated with the liquid separation cavity, and the other end of the liquid guide tube is communicated with a cooling liquid circulation system.
Through adopting above-mentioned technical scheme, coolant liquid in the coolant liquid circulation system is led into the branch liquid intracavity through the catheter, then in leading into the internal fixation sleeve through the heat exchange tube, the heat of the hot air that is located the internal fixation sleeve this moment at the exhaust end of high-power dry-type transformer is absorbed by the coolant liquid through internal fixation sleeve and heat exchange tube, hot air gas temperature reduces this moment, then the outside is discharged, make high-power dry-type transformer exhaust hot air temperature reduce after the discharge be favorable to reducing high-power dry-type transformer's operational environment temperature, at high-power dry-type transformer's inlet end, outside air gets into the internal fixation sleeve in the back with gaseous temperature reduction through above-mentioned process, send into the cold air in the high-power dry-type transformer under the effect of fan, thereby reach the purpose that lets in cold air to high-power dry-type transformer heat dissipation cooling to high-power dry-type transformer in the high-power dry-type transformer.
The utility model is further provided with: the inner side of the inner fixing sleeve is fixedly provided with a sealing baffle plate for sealing the inner side of the inner fixing sleeve at one end far away from the connecting pipe.
Through adopting above-mentioned technical scheme, the sealing separation blade seals the tip that the connecting pipe was kept away from to internal fixation sleeve, makes the gas in the internal fixation sleeve only can pass through filtering baffle and discharges, will with heat exchange tube direct contact at the in-process that gas passes through the air current passageway to further improve the cooling effect to the hot air.
The utility model is further provided with: the two air cooling structures are respectively communicated with the bottom and the top of the high-power dry-type transformer, wherein the bottom air cooling structure exhausts air into the high-power dry-type transformer, and the top air cooling structure exhausts air out of the high-power dry-type transformer.
Through adopting above-mentioned technical scheme, hot air upward movement sets up the exhaust forced air cooling structure and is favorable to the discharge of hot air in high-power dry-type transformer upside, and cold air is sent into from high-power dry-type transformer's bottom simultaneously and is made cold air complete through high-power dry-type transformer inside, has further promoted the inside cooling effect of high-power dry-type transformer.
The beneficial effects of the utility model are as follows: the cooling liquid circulation system is used for providing cooling liquid for the water cooling structure in the cooling connection assembly, the air cooling structure is used for extracting high-temperature gas in the high-power dry-type transformer, then the water cooling structure is used for rapidly cooling gas in the air cooling structure, and then the air cooling structure is used for guiding low-temperature gas into the high-power dry-type transformer to cool the high-power dry-type transformer, so that the heat dissipation performance of the high-power dry-type transformer is greatly improved, meanwhile, the cooling liquid circulation system can be placed outdoors or at a designated place, cooling liquid can be provided and recovered only through pipeline connection, the space occupation area of the high-power dry-type transformer is reduced, and the selection of the mountable range of the high-power dry-type transformer is enlarged.
Drawings
FIG. 1 is a schematic view of a cooling connection assembly according to the present utility model;
FIG. 2 is a schematic view of the structure of the cooling connection assembly of the present utility model with the filtering baffle removed;
FIG. 3 is a schematic view of the structure of the outer moving sleeve shielding the air flow passage opening according to the present utility model;
FIG. 4 is a cross-sectional view of the outer traveling sleeve of the present utility model after shielding the airflow passage opening;
Fig. 5 is a schematic diagram of a connection structure according to the present utility model.
In the figure: 10. an outer moving sleeve; 11. an inner fixed sleeve; 12. a connecting pipe; 13. sealing baffle plates; 20. a filtering baffle; 21. an air flow channel; 22. a heat exchange channel; 23. a heat exchange tube; 24. dividing liquid blocks; 25. a catheter; 26. a liquid separating cavity; 30. a cooling liquid circulation system; 31. cooling the connection assembly; 32. high-power dry-type transformer.
Detailed Description
The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-5, a high-power dry-type transformer with a matched cooling system comprises a cooling liquid circulation system 30, a cooling connection assembly 31 and a high-power dry-type transformer 32, wherein the high-power dry-type transformer 32 is of a conventional transformer structure with a box body shell arranged outside and a transformer structure inside, and the following connection and installation relations are all connected with the box body shell of the high-power dry-type transformer 32. The cooling connection assembly 31 is in pipeline connection with the high-power dry-type transformer 32, the cooling liquid circulation system 30 is arranged in a conventional water cooling system structure, the cooling liquid circulation system 30 is in pipeline connection with the cooling connection assembly 31, the cooling connection assembly 31 comprises an air cooling structure and a water cooling structure, the air cooling structure is provided with two air cooling structures, the two air cooling structures are respectively communicated with the bottom and the top of the high-power dry-type transformer 32, the bottom air cooling structure exhausts air into the high-power dry-type transformer 32, and the top air cooling structure exhausts air out of the high-power dry-type transformer 32. The water cooling structure is respectively connected with the two air cooling structures, the air cooling structure cools the high-power dry-type transformer 32 by introducing cold air into the high-power dry-type transformer 32 and discharging hot air in the high-power dry-type transformer 32, and the water cooling structure assists the air cooling structure to cool the high-power dry-type transformer 32 in a mode of cooling the air introduced and discharged by the air cooling structure.
Example 1
The air cooling structure comprises an outer moving sleeve 10, an inner fixing sleeve 11, a connecting pipe 12, an air flow channel 21 and a fan, wherein the outer moving sleeve 10 and the inner fixing sleeve 11 are coaxially arranged in a sliding mode, the outer moving sleeve 10 is sleeved outside the inner fixing sleeve 11, the joint of the outer moving sleeve 10 and the inner fixing sleeve 11 is sealed, the air flow channel 21 is arranged on the inner fixing sleeve 11, an opening of the air flow channel 21 is radially arranged towards the inner fixing sleeve 11, and a filtering baffle 20 is clamped at the opening of the air flow channel 21. The connecting pipe 12 is fixed at one end face of the inner fixing sleeve 11, the connecting pipe 12 is communicated with the high-power dry-type transformer 32, and the fan is fixedly installed on the connecting pipe 12. The inner side of the inner fixing sleeve 11 is fixedly provided with a sealing baffle 13 which seals the inner side of the inner fixing sleeve 11 at one end far away from the connecting pipe 12. The water cooling structure comprises a heat exchange channel 22, a heat exchange tube 23, a liquid separation block 24, a liquid guide tube 25 and a liquid separation cavity 26, wherein the heat exchange channel 22 is arranged inside the inner fixing sleeve 11, the heat exchange channel 22 is axially arranged along the inner fixing sleeve 11, the heat exchange tube 23 is slidably arranged in the heat exchange channel 22, and the heat exchange tube 23 and the heat exchange channel 22 are coaxially arranged. The end of the outer movable sleeve 10 far away from the connecting pipe 12 is inwards retracted to form a bulge in the axial direction, the heat exchange pipe 23 axially penetrates through the bulge part of the outer movable sleeve 10 and is fixedly connected with the bulge, the liquid separation block 24 is fixed at the end of the heat exchange pipe 23 far away from the inner fixed sleeve 11, the liquid separation cavity 26 is formed inside the liquid separation block 24 in a surrounding manner, the end part of the heat exchange pipe 23 is communicated with the liquid separation cavity 26, one end of the liquid guide pipe 25 is communicated with the liquid separation cavity 26, and the other end of the liquid guide pipe 25 is communicated with the cooling liquid circulation system 30. The heat exchange tube 23 is internally provided with a U-shaped water tube and is communicated with the liquid separating cavity 26 so as to achieve the circulation effect of cooling liquid.
Example 2
The air cooling structure comprises a conventional fan structure, the fan structure comprises an inlet fan and an exhaust fan, the exhaust fan is fixedly arranged on the upper side of the high-power dry-type transformer 32, the air inlet fan is fixedly arranged on the lower side of the high-power dry-type transformer 32, the water cooling structure is arranged inside the high-power dry-type transformer 32, and the water cooling structure exchanges heat in the high-power dry-type transformer 32 through a cooling pipe surrounding the inside of the high-power dry-type transformer 32.
The natural heat dissipation of the traditional dry type transformer is changed or the auxiliary heat dissipation mode of a heat dissipation fan is used, cooling liquid is provided for a water cooling structure in a cooling connection assembly 31 through a cooling liquid circulation system 30, high-temperature gas in a high-power dry type transformer 32 is pumped out by the air cooling structure, then the gas in the air cooling structure is rapidly cooled by the water cooling structure, and then the low-temperature gas is introduced into the high-power dry type transformer 32 by the air cooling structure to cool the high-power dry type transformer 32, so that the heat dissipation performance of the high-power dry type transformer is greatly improved, meanwhile, the cooling liquid circulation system 30 can be placed outdoors or in a designated place, and can be provided and recycled only through pipeline connection, so that the space occupation area of the high-power dry type transformer is reduced, and meanwhile, the choice of the installable range of the high-power dry type transformer is enlarged.
The fan draws out the hot gas in the high-power dry-type transformer 32 and arranges to the internal fixation sleeve 11, and the tip that the connecting pipe 12 was kept away from through internal fixation sleeve 11 discharges to the hot air, set up simultaneously on the internal fixation sleeve 11 with air current passageway 21 can overhaul the fan in the connecting pipe 12 through air current passageway 21, has improved the maintenance convenience to the fan. Through setting up filtering baffle 20 with air current passageway 21 seal, can avoid the foreign matter to get into the inside wind channel of airing exhaust that influences the fan of internal fixation sleeve 11 through air current passageway 21, guaranteed air-cooled structure's stability in use.
The cooling liquid in the cooling liquid circulation system 30 is led into the liquid separating cavity 26 through the liquid guiding pipe 25, then the cooling liquid is led into the inner fixing sleeve 11 through the heat exchanging pipe 23, the heat of the hot air in the inner fixing sleeve 11 at the exhaust end of the high-power dry-type transformer 32 is absorbed by the cooling liquid through the inner fixing sleeve 11 and the heat exchanging pipe 23, the temperature of the hot air is reduced at the moment, then the cooling liquid is discharged outside, the temperature of the hot air discharged by the high-power dry-type transformer 32 is reduced, and then the cooling liquid is discharged, so that the working environment temperature of the high-power dry-type transformer is reduced, the temperature of the air is reduced through the process after the external air enters the inner fixing sleeve 11 at the air inlet end of the high-power dry-type transformer 32, and the cooling air is fed into the high-power dry-type transformer 32 under the action of a fan, thereby achieving the purpose of cooling the high-power dry-type transformer 32 by introducing the cooling air into the high-power dry-type transformer 32. The sealing baffle 13 seals the end of the inner fixing sleeve 11 far away from the connecting pipe 12, so that the gas in the inner fixing sleeve 11 can only be discharged through the filtering baffle 20 and is in direct contact with the heat exchange pipe 23 in the process of passing through the airflow channel 21, thereby further improving the cooling effect on hot air. The hot air moves upwards, the exhaust air cooling structure is arranged on the upper side of the high-power dry-type transformer 32, so that hot air is discharged, meanwhile, cold air is fed from the bottom of the high-power dry-type transformer 32, so that the cold air completely passes through the inside of the high-power dry-type transformer 32, and the cooling effect of the inside of the high-power dry-type transformer 32 is further promoted.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of various changes and modifications without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A high-power dry-type transformer matched with a cooling system is characterized in that: including coolant liquid circulation system (30), cooling coupling assembling (31) and high-power dry-type transformer (32) pipe connection, coolant liquid circulation system (30) and cooling coupling assembling (31) pipe connection, cooling coupling assembling (31) are provided with two including forced air cooling structure and water-cooling structure, the forced air cooling structure is connected with two forced air cooling structures respectively, forced air cooling structure is through letting in the cold air in high-power dry-type transformer (32) and with high-power dry-type transformer (32) interior hot air discharge to high-power dry-type transformer (32) cooling, the water-cooling structure is through carrying out the cooling to forced air cooling structure to high-power dry-type transformer (32) with the mode of discharging air cooling.
2. A high power dry transformer for a mating cooling system as set forth in claim 1, wherein: the air cooling structure comprises an outer moving sleeve (10), an inner fixing sleeve (11), a connecting pipe (12), an air flow channel (21) and a fan, wherein the outer moving sleeve (10) and the inner fixing sleeve (11) are coaxially arranged in a sliding mode, the outer moving sleeve (10) is sleeved outside the inner fixing sleeve (11) and is sealed at the joint of the outer moving sleeve (10) and the inner fixing sleeve (11), the air flow channel (21) is arranged on the inner fixing sleeve (11), an opening of the air flow channel (21) is arranged radially inwards to the inner fixing sleeve (11), the connecting pipe (12) is fixed on one end face of the inner fixing sleeve (11), the connecting pipe (12) is communicated with a high-power dry-type transformer (32), and the fan is fixedly arranged on the connecting pipe (12).
3. A high power dry transformer for a mating cooling system as set forth in claim 1, wherein: the opening of the airflow channel (21) is provided with a filtering baffle (20) in a clamping way.
4. A high power dry transformer for a mating cooling system as set forth in claim 1, wherein: the water cooling structure comprises a heat exchange channel (22), a heat exchange tube (23), a liquid separation block (24), a liquid guide tube (25) and a liquid separation cavity (26), wherein the heat exchange channel (22) is arranged inside an inner fixing sleeve (11), the heat exchange channel (22) is axially arranged along the inner fixing sleeve (11), the heat exchange tube (23) is slidably arranged in the heat exchange channel (22), the heat exchange tube (23) and the heat exchange channel (22) are coaxially arranged, one end of an outer moving sleeve (10) away from a connecting tube (12) is inwards folded to form a bulge in the axial direction, the heat exchange tube (23) axially penetrates through the bulge part of the outer moving sleeve (10) and is fixedly connected with the bulge, the liquid separation block (24) is fixed at one end of the heat exchange tube (23) away from the inner fixing sleeve (11), the liquid separation cavity (24) is arranged inside the liquid separation block (24) in a surrounding mode, the end of the heat exchange tube (23) is communicated with the liquid separation cavity (26), one end of the liquid guide tube (25) is communicated with the liquid separation cavity (26), and the other end of the liquid guide tube (25) is communicated with a cooling liquid circulation system (30).
5. The high power dry transformer with associated cooling system as set forth in claim 4, wherein: one end of the inner side of the inner fixing sleeve (11) far away from the connecting pipe (12) is fixedly provided with a sealing baffle (13) for sealing the inner side of the inner fixing sleeve (11).
6. A high power dry transformer for a mating cooling system as set forth in claim 1, wherein: the two air cooling structures are respectively communicated with the bottom and the top of the high-power dry-type transformer (32), wherein the bottom air cooling structure exhausts air into the high-power dry-type transformer (32), and the top air cooling structure exhausts air out of the high-power dry-type transformer (32).
CN202323022405.9U 2023-11-08 2023-11-08 High-power dry-type transformer matched with cooling system Active CN220962974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323022405.9U CN220962974U (en) 2023-11-08 2023-11-08 High-power dry-type transformer matched with cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323022405.9U CN220962974U (en) 2023-11-08 2023-11-08 High-power dry-type transformer matched with cooling system

Publications (1)

Publication Number Publication Date
CN220962974U true CN220962974U (en) 2024-05-14

Family

ID=90977367

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323022405.9U Active CN220962974U (en) 2023-11-08 2023-11-08 High-power dry-type transformer matched with cooling system

Country Status (1)

Country Link
CN (1) CN220962974U (en)

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