CN219716625U - Dry-type transformer with multiple cooling circulation structure - Google Patents
Dry-type transformer with multiple cooling circulation structure Download PDFInfo
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- CN219716625U CN219716625U CN202321308933.8U CN202321308933U CN219716625U CN 219716625 U CN219716625 U CN 219716625U CN 202321308933 U CN202321308933 U CN 202321308933U CN 219716625 U CN219716625 U CN 219716625U
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- heat exchange
- cooling
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- dry
- type transformer
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- 238000001816 cooling Methods 0.000 title claims abstract description 57
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000000110 cooling liquid Substances 0.000 claims description 34
- 239000004065 semiconductor Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 14
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 5
- 239000012212 insulator Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a dry-type transformer with a multiple cooling circulation structure, which comprises a shell, wherein an installation seat is arranged below the inside of the shell, a fixing seat is arranged above the inside of the shell, and three bodies are arranged between the installation seat and the fixing seat; further comprises: the air outlet channel is arranged in the mounting seat, three exhaust fans are arranged above the air outlet channel, and the exhaust fans are all positioned at the bottom of the body; the air inlet channel is arranged in the fixing seat, three air inlet fans are arranged below the air inlet channel, and the air inlet fans are all positioned above the body; the cooling channel is arranged between the air outlet channel and the air inlet channel and is positioned at the rear end of the inside of the shell, the serpentine heat exchange tube is arranged in the cooling channel, and the dry-type transformer can improve the cooling effect of the inside on the premise that dust is prevented from entering the inside.
Description
Technical Field
The utility model relates to the technical field of dry transformers, in particular to a dry transformer with a multiple cooling circulation structure.
Background
The dry type transformer is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and mainly comprises an iron core formed by silicon steel sheets and coils cast by epoxy resin, an insulating cylinder is arranged between the high-low-voltage coils to increase electrical insulation, the coils are supported and restrained by cushion blocks, and fasteners for overlapping parts of the dry type transformer have anti-loosening performance.
For example, chinese issued patent CN218730255U, a dry-type transformer cooling structure, including the cooling case, four pillars of limit side fixedly connected with of the inside bottom of cooling case, the top fixedly connected with dry-type transformer body of pillar, the middle part fixed mounting of cooling incasement wall one side has the rotating electrical machines, the output of rotating electrical machines passes through axis of rotation fixedly connected with radiator fin, the middle part fixed intercommunication of placing a section of thick bamboo bottom has the drain pipe that passes the cooling case, through setting up radiator fin and rotating electrical machines, the rotating electrical machines drives radiator fin and rotates, cool down the dry-type transformer body by air-cooling, be favorable to discharging the heat of dry-type transformer body, rethread sets up first cooling ice bag, cooperation rotating electrical machines and radiator fin cool down, first cooling ice bag absorbs heat at melting in-process, the cooling effect of dry-type transformer body is better.
Above-mentioned prior art is though can realize the cooling to dry-type transformer, but the leakproofness of box has been reduced to the ventilation structure that sets up on the one hand for inside the dust got into the box easily, led to the fact inside component life's reduction, and on the other hand cooling method relies on the ice bag comparatively unreasonable, can't maintain cooling function for a long time, consequently does not satisfy current demand, has proposed a dry-type transformer with multiple cooling cycle structure to this we.
Disclosure of Invention
The present utility model is directed to a dry-type transformer with multiple cooling circulation structure, so as to solve the problem of how to improve the internal cooling effect of the dry-type transformer on the premise of avoiding dust entering the interior.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the dry-type transformer with the multiple cooling circulation structure comprises a shell, wherein an installation seat is arranged below the inside of the shell, a fixing seat is arranged above the inside of the shell, and three bodies are arranged between the installation seat and the fixing seat; further comprises:
the air outlet channel is arranged in the mounting seat, three exhaust fans are arranged above the air outlet channel, and the exhaust fans are all positioned at the bottom of the body;
the air inlet channel is arranged in the fixing seat, three air inlet fans are arranged below the air inlet channel, and the air inlet fans are all positioned above the body;
the cooling channel is arranged between the air outlet channel and the air inlet channel and is positioned at the rear end of the cooling channel inside the shell, and the serpentine heat exchange tube is arranged inside the cooling channel.
Preferably, the cooling liquid tank is arranged below the inside of the mounting seat, the liquid outlet pipe of the serpentine heat exchange pipe extends to the inside of the cooling liquid tank, a pump is arranged on one side of the cooling liquid tank, the liquid inlet pipe of the pump is connected with the cooling liquid tank, and the liquid outlet pipe of the pump is connected with the liquid inlet pipe of the serpentine heat exchange pipe.
Preferably, the cooling mechanism is arranged below the cooling liquid tank, the cooling mechanism comprises two heat exchange plates, semiconductor electronic refrigerating sheets and heat dissipation fans, the heat exchange plates are respectively arranged at the upper end and the lower end of the semiconductor electronic refrigerating sheets, and the heat dissipation fans are arranged at the lower ends of the heat exchange plates.
Preferably, the outside of snakelike heat exchange tube is provided with the heat exchange piece, and the heat exchange piece is provided with a plurality of, and the heat exchange piece is equidistant distribution in proper order.
Preferably, an insulator is mounted at the upper end of the mounting seat.
Preferably, the base is welded and fixed on two sides of the bottom of the shell.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the exhaust fan is arranged at the upper end of the air outlet channel, the air inlet fan is arranged at the bottom of the air inlet channel, and when the exhaust fan and the air inlet fan are simultaneously opened, on one hand, the exhaust fan actively blows air in the channel to the body, so that the air around the body moves upwards, on the other hand, the air in the shell is sucked into the channel by the air inlet fan, so that the heat around the body is taken away, the air entering the air inlet channel moves towards the cooling channel under the negative pressure of the exhaust fan, the pumping pump is started, the cooling liquid in the cooling liquid tank is conveyed to the serpentine heat exchange tube through the pipeline, so that the cooling liquid forms a circulating motion, the hot air in the channel and the cooling liquid can exchange heat under the action of the heat exchange sheet, and then the cooling air is discharged through the exhaust fan, so that the air contacts with the surface of the body, the surface heat taken away is reduced, the cooling circulation structure can realize effective cooling work in the environment enclosed by the shell, the entry of dust can be avoided, and good environment can be created for high-efficiency work of the element.
2. According to the utility model, the semiconductor cooling device is arranged below the cooling liquid tank, so that the situation that the temperature of liquid in the cooling liquid tank is too high is avoided, the semiconductor electronic refrigerating sheet is started when the cooling liquid circulates, when direct current passes through a couple formed by connecting two different types of semiconductor materials in series, the heat dissipation and the absorption are respectively realized at two ends of the couple, a cold end is formed at the upper end surface of the semiconductor electronic refrigerating sheet, the cold end transfers cold energy to the cooling liquid tank through the upper heat exchange plate, the active cooling of internal cooling liquid is formed, the efficient heat exchange state is ensured, and the heat exchange plate and the heat dissipation fan below the semiconductor electronic refrigerating sheet can accelerate the heat dissipation of the hot end, so that the temperature difference of the semiconductor electronic refrigerating sheet is expanded, and the refrigerating efficiency is improved.
Drawings
FIG. 1 is a schematic front view of the internal structure of the present utility model;
FIG. 2 is a schematic side view of the internal structure of the present utility model;
FIG. 3 is a perspective view of the cooling circulation mechanism of the present utility model;
fig. 4 is an enlarged view of a portion of the area a of fig. 2 in accordance with the present utility model.
In the figure: 1. a housing; 2. a mounting base; 3. a fixing seat; 4. a body; 5. an insulator; 6. a base; 7. an air outlet channel; 8. an exhaust fan; 9. an air inlet channel; 10. an inlet fan; 11. a cooling liquid tank; 12. pumping; 13. a cooling channel; 14. serpentine heat exchange tubes; 15. a heat exchange sheet; 16. a heat exchange plate; 17. semiconductor electronic refrigerating sheet; 18. a heat dissipation fan.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the dry-type transformer with the multiple cooling circulation structure comprises a shell 1, wherein an installation seat 2 is arranged below the inside of the shell 1, a fixed seat 3 is arranged above the inside of the shell 1, and three body 4 are arranged between the installation seat 2 and the fixed seat 3; further comprises:
the air outlet channel 7 is arranged in the mounting seat 2, three exhaust fans 8 are arranged above the air outlet channel 7, and the exhaust fans 8 are all positioned at the bottom of the body 4;
the air inlet channel 9 is arranged in the fixed seat 3, three air inlet fans 10 are arranged below the air inlet channel 9, and the air inlet fans 10 are all positioned above the body 4;
and a cooling channel 13 arranged between the air outlet channel 7 and the air inlet channel 9 and positioned at the rear end of the cooling channel 13 positioned in the shell 1, wherein the serpentine heat exchange tube 14 is arranged in the cooling channel 13.
When the cooling device is used, the exhaust fan 8 and the air inlet fan 10 are simultaneously opened, the air in the channel is actively blown to the device body 4 by the exhaust fan 8, so that the air around the device body 4 moves upwards, the air in the housing 1 is sucked into the channel by the air inlet fan 10, so that the heat around the device body 4 is taken away, the air entering the air inlet channel 9 moves towards the cooling channel 13 under the negative pressure of the exhaust fan 8, the cooling liquid in the cooling liquid tank 11 is conveyed to the serpentine heat exchange tube 14 through the pipeline by starting the pump 12, the cooling liquid forms a circulating motion, the hot air and the cooling liquid in the channel can be subjected to heat exchange under the action of the heat exchange sheet 15, the air temperature in the channel is quickly reduced, and then the cold air is discharged through the exhaust fan 8 and is contacted with the surface of the device body 4, so that the surface heat is taken away, and the device body 4 can be forced to cool.
Referring to fig. 1, a cooling liquid tank 11 is disposed below the inside of the mounting seat 2, a liquid outlet pipe of the serpentine heat exchange pipe 14 extends to the inside of the cooling liquid tank 11, a pump 12 is disposed on one side of the cooling liquid tank 11, a liquid inlet pipe of the pump 12 is connected with the cooling liquid tank 11, and a liquid outlet pipe of the pump 12 is connected with a liquid inlet pipe of the serpentine heat exchange pipe 14.
Referring to fig. 4, a cooling mechanism is disposed below the cooling liquid tank 11, and the cooling mechanism includes two heat exchange plates 16, semiconductor electronic cooling fins 17 and a heat dissipation fan 18, where the heat exchange plates 16 are respectively disposed at the upper and lower ends of the semiconductor electronic cooling fins 17, and the heat dissipation fan 18 is mounted at the bottom of the lower heat exchange plate 16 to actively cool the internal cooling liquid and ensure an efficient heat exchange state.
Referring to fig. 2 and 3, heat exchange plates 15 are disposed outside the serpentine heat exchange tube 14, and a plurality of heat exchange plates 15 are disposed, and the heat exchange plates 15 are sequentially and equidistantly distributed to improve the heat exchange effect with air.
Referring to fig. 1, an insulator 5 is mounted at the upper end of the mounting base 2.
Referring to fig. 1, a base 6 is welded and fixed to both sides of the bottom of the housing 1.
Working principle: when the semiconductor electronic refrigerator is used, in order to avoid the overhigh temperature of liquid in the cooling liquid tank 11, when the semiconductor electronic refrigerator 17 is started during cooling liquid circulation, when direct current passes through a couple formed by connecting two different types of semiconductor materials in series, heat dissipation and absorption are respectively realized at two ends of the couple, a cold end is formed at the upper end face of the semiconductor electronic refrigerator 17, cold energy is transferred to the cooling liquid tank 11 through the upper heat exchange plate 16 by the cold end, active cooling of internal cooling liquid is formed, a high-efficiency heat exchange state is ensured, and the heat exchange plate 16 and the heat dissipation fan 18 below the semiconductor electronic refrigerator 17 can accelerate heat dissipation to a hot end, so that the temperature difference of the semiconductor electronic refrigerator 17 is expanded, and the refrigerating efficiency is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The dry-type transformer with the multiple cooling circulation structure comprises a shell (1), wherein an installation seat (2) is arranged below the inside of the shell (1), a fixing seat (3) is arranged above the inside of the shell (1), and three machine bodies (4) are arranged between the installation seat (2) and the fixing seat (3);
the method is characterized in that: further comprises:
the air outlet channel (7) is arranged in the mounting seat (2), three exhaust fans (8) are arranged above the air outlet channel (7), and the exhaust fans (8) are all positioned at the bottom of the body (4);
the air inlet channel (9) is arranged in the fixing seat (3), three air inlet fans (10) are arranged below the air inlet channel (9), and the air inlet fans (10) are all positioned above the body (4);
the cooling channel (13) is arranged between the air outlet channel (7) and the air inlet channel (9), and is positioned at the rear end of the cooling channel (13) positioned in the shell (1), and a serpentine heat exchange tube (14) is arranged in the cooling channel (13).
2. A dry-type transformer having a multiple cooling cycle structure according to claim 1, wherein: the cooling liquid box (11) is arranged below the inside of the mounting seat (2), the liquid outlet pipe of the serpentine heat exchange pipe (14) extends to the inside of the cooling liquid box (11), one side of the cooling liquid box (11) is provided with the pumping pump (12), the liquid inlet pipe of the pumping pump (12) is connected with the cooling liquid box (11), and the liquid outlet pipe of the pumping pump (12) is connected with the liquid inlet pipe of the serpentine heat exchange pipe (14).
3. A dry-type transformer having a multiple cooling cycle structure according to claim 2, wherein: the cooling mechanism is arranged below the cooling liquid tank (11), and comprises a heat exchange plate (16), semiconductor electronic refrigerating sheets (17) and heat dissipation fans (18), wherein the heat exchange plate (16) is provided with two heat exchange plates, the heat exchange plates (16) are respectively arranged at the upper end and the lower end of the semiconductor electronic refrigerating sheets (17), and the heat dissipation fans (18) are arranged at the lower ends of the bottoms of the heat exchange plates (16).
4. A dry-type transformer having a multiple cooling cycle structure according to claim 1, wherein: the outside of snakelike heat exchange tube (14) is provided with heat exchange piece (15), and heat exchange piece (15) are provided with a plurality of, and heat exchange piece (15) equidistance distributes in proper order.
5. A dry-type transformer having a multiple cooling cycle structure according to claim 1, wherein: an insulator (5) is arranged at the upper end of the mounting seat (2).
6. A dry-type transformer having a multiple cooling cycle structure according to claim 1, wherein: the base (6) is fixedly welded on two sides of the bottom of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321308933.8U CN219716625U (en) | 2023-05-26 | 2023-05-26 | Dry-type transformer with multiple cooling circulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321308933.8U CN219716625U (en) | 2023-05-26 | 2023-05-26 | Dry-type transformer with multiple cooling circulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219716625U true CN219716625U (en) | 2023-09-19 |
Family
ID=87976368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321308933.8U Active CN219716625U (en) | 2023-05-26 | 2023-05-26 | Dry-type transformer with multiple cooling circulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219716625U (en) |
-
2023
- 2023-05-26 CN CN202321308933.8U patent/CN219716625U/en active Active
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