CN116469647B - Transformer with good heat dissipation performance - Google Patents
Transformer with good heat dissipation performance Download PDFInfo
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- CN116469647B CN116469647B CN202310548428.9A CN202310548428A CN116469647B CN 116469647 B CN116469647 B CN 116469647B CN 202310548428 A CN202310548428 A CN 202310548428A CN 116469647 B CN116469647 B CN 116469647B
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- cooling
- heat dissipation
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- liquid
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 56
- 238000001816 cooling Methods 0.000 claims abstract description 115
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000009423 ventilation Methods 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 239000007788 liquid Substances 0.000 claims description 46
- 239000000523 sample Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/056—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses a transformer with good heat dissipation performance. The transformer includes the oil immersed transformer body, the week side fixed mounting of oil immersed transformer body has the cooling shell, the internally mounted of cooling shell has the transmission module, the week side transmission of transmission module is connected with the annular filter belt, the inside of cooling shell just corresponds the inboard position of annular filter belt and installs the axial fan of two sets of symmetries setting, the inside of cooling shell just corresponds the inboard position of annular filter belt and still offered two symmetries setting and with axial fan complex ventilation hole group, install the heat dissipation module of two sets of symmetries setting between the internal surface of cooling shell, the top surface fixed mounting of cooling shell has two drive motors. According to the invention, through the rotating arrangement of the annular filter belt, the ventilation hole group and the position arrangement of the two groups of axial flow fans, the circulating ventilation filtration and the circulating self-cleaning of impurities adhered to the surface of the annular filter belt during the air inlet of the axial flow fans can be realized.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a transformer with good heat dissipation performance.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core, and the main functions of the transformer are voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization and the like, and a great amount of heat can be generated during operation of the transformer.
In order to solve the problems in the prior art, a transformer with good heat dissipation performance is disclosed in the patent document with publication number CN107424729B, and the transformer is convenient to use, and dust on the heat dissipation fins can be quickly blown away from the heat dissipation fins through the dust removal mechanism, so that the heat dissipation effect of the heat dissipation fins is more continuous, normal use of the transformer is ensured, the structure is simple, and the practicability is strong, but the transformer is a static heat dissipation structure when heat dissipation, and the heat dissipation efficiency of the transformer is limited due to the static heat dissipation structure.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention aims to provide the transformer with good heat dissipation performance, and the circulating ventilation filtration and the circulating self-cleaning of impurities adhered to the surface of the annular filter belt during the air inlet of the axial flow fan can be realized through the rotation arrangement of the annular filter belt, the position arrangement of the air-permeable hole group and the two groups of axial flow fans, and the dust collection rate of the heat dissipation structure in the transformer is effectively reduced through the realization of the technical effects.
Technical proposal
The transformer with good heat dissipation performance comprises an oil immersed transformer body, wherein a cooling shell is fixedly arranged on the peripheral side face of the oil immersed transformer body, a transmission module is arranged in the cooling shell, an annular filter belt is connected with the peripheral side face of the transmission module in a transmission mode, two groups of axial flow fans which are symmetrically arranged are arranged in the cooling shell and correspond to the inner side of the annular filter belt, two groups of ventilation holes which are symmetrically arranged and matched with the axial flow fans are also arranged in the cooling shell and correspond to the inner side of the annular filter belt, two groups of heat dissipation modules which are symmetrically arranged are arranged between the inner surface of the cooling shell, two transmission motors are fixedly arranged on the top face of the cooling shell, the output shaft ends of the two transmission motors are respectively connected with the two groups of heat dissipation modules in a transmission mode through chains, and a water cooling mechanism and an oil pumping mechanism which are respectively and fixedly arranged on the two side faces of the oil immersed transformer body.
As the preferred scheme, the transmission module respectively comprises a driving motor fixed on the surface of the cooling shell, four driven rollers which are regularly distributed and rotationally connected between the inner surfaces of the cooling shell, the output shaft ends of the driving motor are fixedly connected with the driven rollers, the peripheral side surfaces of the four driven rollers are in transmission connection with the annular filter belt, and the axis of the driven rollers is perpendicular to the ventilation axis of the axial flow fan.
As the preferred scheme, the inside equipartition of annular filter belt has ventilation filtration pore, two ventilative hole group respectively with two sets of axial fan dislocation sets, the oil immersed transformer body sets up between two sets of heat dissipation modules.
As the preferred scheme, the heat dissipation module is including being fixed in the heat dissipation frame on oil immersed transformer body surface, the inner wall rotation of heat dissipation frame is connected with the water-cooling and revolves a section of thick bamboo, the inside of water-cooling revolves a section of thick bamboo is fixed to be seted up the water-cooling chamber, the inside in water-cooling chamber is filled with the water-cooling liquid, the inside of heat dissipation frame is from top to bottom seted up mutually isolated feed liquor ring chamber and return liquid ring chamber respectively, feed liquor ring chamber and return liquid ring chamber's inner wall all rotates the intercommunication with the water-cooling chamber, feed liquor ring chamber and return liquid ring chamber's surface all communicates with water-cooling mechanism, the inner wall rotation in water-cooling chamber is connected with the heat transfer piece, the water-cooling revolves a section of thick bamboo and passes through the heat transfer piece drive.
As the preferred scheme, the heat exchange piece includes spiral heat exchange coil, spiral heat exchange coil's both ends are fixed intercommunication respectively and are had oil feed joint and oil extraction to connect, the circumference of oil feed joint is connected with adjacent position's chain drive, the circumference of oil feed joint and oil extraction joint all rotates with the water-cooling and is connected with a section of thick bamboo soon, the tip that oil feed joint and oil extraction connect all rotates the intercommunication with pump oil mechanism, the water-cooling revolves a section of thick bamboo and passes through oil extraction joint drive.
As the preferred scheme, the bottom of water-cooling section of thick bamboo soon and oil extraction joint is all fixed mounting has driven awl tooth, the lower part rotation of heat dissipation frame is connected with differential axle, differential end fixed mounting of differential axle has differential awl tooth, two the surface of driven awl tooth all is connected with differential awl tooth transmission, differential axle sets up between two driven awl teeth.
As an optimal scheme, a group of heat dissipation fins distributed in a circumferential array are fixedly arranged on the peripheral side face of the water-cooling rotary cylinder, and the heat exchange piece and the water-cooling rotary cylinder are both made of copper materials.
As the preferred scheme, the pump oil mechanism includes respectively and is fixed in the oil distribution pipe on cooling shell surface, returns oil pipe and oil pump, the surface of returning oil pipe is through connecting with the inside oil pocket intercommunication of oily transformer body, the one end and the oil return pipe fixed intercommunication of oil pump oil inlet, the one end of oil pump oil-out is through giving oil pipe and dividing oil pipe fixed intercommunication, the internally mounted who gives oil pipe has temperature probe a, the surface that divides oil pipe is connected with oil feed and is rotated the intercommunication, the surface that returns oil pipe is connected with the oil extraction and is rotated the intercommunication.
As the preferred scheme, water-cooling mechanism is including being fixed in the cooling shell side the water-cooling tank, be fixed in cooling shell inner wall divide liquid pipe and negative pressure straw, the bottom fixed mounting of water-cooling tank has the water pump, the one end and the water-cooling tank fixed intercommunication of water pump liquid outlet, the one end and the negative pressure straw fixed intercommunication of water pump inlet, divide the surface of liquid pipe to pass through the attach fitting and advance liquid ring chamber fixed intercommunication, the surface of negative pressure straw passes through attach fitting and returns liquid ring chamber fixed intercommunication, the inside of water-cooling tank is built-in to have the refrigeration module, the internally mounted of water-cooling tank has temperature probe b.
As a preferable scheme, a group of liquid-permeable holes distributed in a circumferential array are formed in the water-cooling rotary cylinder and correspond to the liquid inlet annular cavity and the liquid return annular cavity.
Advantageous effects
Compared with the prior art, the invention provides the transformer with good heat dissipation performance, which has the following beneficial effects
1. According to the invention, through the rotation arrangement of the annular filter belt, the ventilation hole group and the position arrangement of the two groups of axial flow fans, the circulating ventilation filtration during the air inlet of the axial flow fans and the circulating self-cleaning of impurities adhered on the surface of the annular filter belt can be realized, and through the realization of the technical effects, the dust-binding rate of the heat-radiating structure in the transformer is effectively reduced, and the high heat-radiating surface area and the high heat-radiating efficiency of the heat-radiating structure in the transformer are effectively maintained through the reduction of the dust-binding rate.
2. According to the invention, through the arrangement of the spiral heat exchange coil and the water-cooling rotary cylinder, the static heat dissipation structure of the heat dissipation structure in the traditional transformer is changed into the rotary heat dissipation structure, and during heat dissipation operation, the water-cooling rotary cylinder and the spiral heat exchange coil can coaxially and reversely rotate, and through the realization of the rotating state, the heat dissipation efficiency and the heat exchange effect of the device on the transformer are effectively improved.
Drawings
FIG. 1 is a schematic diagram of a transformer with good heat dissipation performance according to the present invention;
FIG. 2 is a schematic diagram of the structure of the transmission module and the axial flow fan of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic diagram of the structure of the water-cooled rotary cylinder, the oil distributing pipe and the negative pressure suction pipe;
FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective in accordance with the present invention;
FIG. 6 is a schematic diagram of a water-cooled rotor and cooling fins according to the present invention;
FIG. 7 is a schematic cross-sectional view of FIG. 6 according to the present invention;
FIG. 8 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 7;
fig. 9 is a partially enlarged schematic view of the structure of fig. 7C according to the present invention.
In the figure: 1. an oil immersed transformer body; 2. cooling the shell; 3. a transmission module; 4. an annular filter belt; 5. an axial flow fan; 6. a ventilation hole group; 7. a drive motor; 8. a heat dissipation frame; 9. water-cooling rotary cylinder; 10. a water cooling cavity; 11. a liquid inlet ring cavity; 12. a liquid return ring cavity; 13. a spiral heat exchange coil; 14. an oil inlet joint; 15. an oil discharge joint; 16. a differential shaft; 17. a heat radiation fin; 18. oil distributing pipes; 19. an oil return pipe; 20. an oil pump; 21. an oil supply pipe; 22. a temperature probe a; 23. a water cooling tank; 24. a liquid separating pipe; 25. a negative pressure suction pipe; 26. a water pump; 27. a refrigeration module; 28. a temperature probe b; 29. and a liquid permeable hole.
Detailed Description
The invention is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:
referring to fig. 1-9, the present invention: the technical scheme includes that the transformer with good heat dissipation performance comprises an oil immersed transformer body 1, wherein a cooling shell 2 is fixedly arranged on the peripheral side surface of the oil immersed transformer body 1, a transmission module 3 is arranged in the cooling shell 2, an annular filter belt 4 is connected with the peripheral side surface of the transmission module 3 in a transmission manner, ventilation filter holes are uniformly distributed in the annular filter belt 4, the aperture size of the ventilation filter holes can be customized according to actual requirements, and the annular filter belt 4 is used for ventilating and dust filtering impurities in air inlet;
the transmission module 3 respectively comprises a driving motor fixed on the surface of the cooling shell 2 and four driven rollers which are regularly distributed and are rotationally connected between the inner surfaces of the cooling shell 2, the output shaft end of the driving motor is fixedly connected with a driven roller, and the peripheral side surfaces of the four driven rollers are in transmission connection with the annular filter belt 4;
two groups of symmetrically arranged axial flow fans 5 are arranged in the cooling shell 2 and correspond to the inner side of the annular filter belt 4, the axis of the driven roller is perpendicular to the ventilation axis of the axial flow fans 5, and the oil immersed transformer body 1 is arranged between the two groups of heat dissipation modules;
two vent hole groups 6 which are symmetrically arranged and matched with the axial flow fans 5 are also arranged in the cooling shell 2 and correspond to the inner side of the annular filter belt 4, and the two vent hole groups 6 are respectively arranged in a dislocation way with the two axial flow fans 5;
two groups of symmetrically arranged heat dissipation modules are arranged between the inner surfaces of the cooling shell 2, two transmission motors 7 are fixedly arranged on the top surface of the cooling shell 2, the output shaft ends of the two transmission motors 7 are respectively connected with the two groups of heat dissipation modules in a transmission manner through chains, and a water cooling mechanism and an oil pumping mechanism which are communicated with the heat dissipation modules are respectively and fixedly arranged on the two side surfaces of the oil immersed transformer body 1.
The heat radiation module comprises a heat radiation frame 8 fixed on the surface of the oil immersed transformer body 1, the inner wall of the heat radiation frame 8 is rotationally connected with a water-cooling rotary cylinder 9, and a group of heat radiation fins 17 distributed in a circumferential array are fixedly arranged on the peripheral side surface of the water-cooling rotary cylinder 9;
through the arrangement of the radiating fins 17, the radiating surface area of the water-cooling rotary cylinder 9 is effectively improved;
the inside of the water-cooling rotary cylinder 9 is fixedly provided with a water-cooling cavity 10, the inside of the water-cooling cavity 10 is filled with water-cooling liquid, the inside of the heat dissipation frame 8 is provided with a liquid inlet annular cavity 11 and a liquid return annular cavity 12 which are isolated from each other from top to bottom, the inner walls of the liquid inlet annular cavity 11 and the liquid return annular cavity 12 are respectively communicated with the water-cooling cavity 10 in a rotating way, and a group of liquid permeable holes 29 which are distributed in a circumferential array are respectively formed in the inside of the water-cooling rotary cylinder 9 and correspond to the positions of the liquid inlet annular cavity 11 and the liquid return annular cavity 12;
the surfaces of the liquid inlet annular cavity 11 and the liquid return annular cavity 12 are communicated with a water cooling mechanism;
the water cooling mechanism comprises a water cooling box 23 fixed on the side surface of the cooling shell 2, a liquid separating pipe 24 and a negative pressure suction pipe 25 fixed on the inner wall of the cooling shell 2, a water pump 26 is fixedly arranged at the bottom of the water cooling box 23, one end of a liquid outlet of the water pump 26 is fixedly communicated with the water cooling box 23, one end of a liquid inlet of the water pump 26 is fixedly communicated with the negative pressure suction pipe 25, the surface of the liquid separating pipe 24 is fixedly communicated with the liquid inlet annular cavity 11 through a connecting joint, the surface of the negative pressure suction pipe 25 is fixedly communicated with the liquid return annular cavity 12 through a connecting joint, a refrigerating module 27 is arranged in the water cooling box 23, and a temperature probe b28 is arranged in the water cooling box 23;
the refrigeration module 27 can be a semiconductor refrigeration sheet, and the refrigeration module 27 can be customized or selected according to actual requirements;
when the transformer works, the external central control host is matched with the external central control host, the external central control host receives the working state and data feedback of the sensor in the transformer in real time, and the external central control host simultaneously controls the working state of the corresponding power mechanism in the transformer according to the data feedback;
the temperature probe b28 is used for monitoring the liquid temperature of the water cooling liquid in the water cooling tank 23 in real time, and the central control host machine is used for controlling the refrigeration power and the refrigeration state of the refrigeration module 27 according to the data feedback of the temperature probe b28;
the liquid in the water cooling tank 23 is kept in a constant temperature state through the linkage control logic arrangement of the refrigerating module 27 and the temperature probe b28;
meanwhile, when the water pump works, the central control host machine feeds back according to the data of the temperature probe b28 so as to control the circulation rate of the water pump 26 on the water cooling liquid.
The inner wall of the water cooling cavity 10 is rotationally connected with a heat exchange piece, the water cooling rotary cylinder 9 is driven by the heat exchange piece, and the heat exchange piece and the water cooling rotary cylinder 9 are both made of copper materials.
The heat exchange piece includes spiral heat exchange coil 13, and spiral heat exchange coil 13's both ends are fixed intercommunication respectively and are had oil feed joint 14 and oil extraction to connect 15, and the circumference side that oil feed joint 14 was connected with the chain drive of adjacent position, and oil feed joint 14 and oil extraction connect 15 the circumference side all with water-cooling revolve a section of thick bamboo 9 rotation and be connected, oil feed joint 14 and oil extraction connect 15 the tip all with pump oil mechanism rotation intercommunication, water-cooling revolve a section of thick bamboo 9 through oil extraction connect 15 drive.
Driven bevel gears are fixedly arranged at the bottoms of the water-cooling rotary cylinder 9 and the oil discharging joint 15, a differential shaft 16 is rotatably connected to the lower portion of the heat dissipation frame 8, differential bevel gears are fixedly arranged at the end portions of the differential shaft 16, the surfaces of the two driven bevel gears are in transmission connection with the differential bevel gears, and the differential shaft 16 is arranged between the two driven bevel gears.
The water-cooling rotary cylinder 9 and the spiral heat exchange coil 13 are in a coaxial reverse rotation state through the two driven bevel gears and the differential shaft 16, and Hi is arranged through the rotation state of the spiral heat exchange coil 13, so that the heat exchange efficiency of the spiral heat exchange coil 13 on oil is effectively improved;
the oil pumping mechanism comprises an oil distributing pipe 18, an oil return pipe 19 and an oil pump 20 which are fixed on the surface of the cooling shell 2, wherein the surface of the oil return pipe 19 is communicated with an oil cavity in the oil immersed transformer body 1 through a connector, one end of an oil inlet of the oil pump 20 is fixedly communicated with the oil return pipe 19, one end of an oil outlet of the oil pump 20 is fixedly communicated with the oil distributing pipe 18 through an oil feeding pipe 21, a temperature probe a22 is installed in the oil feeding pipe 21, the surface of the oil distributing pipe 18 is rotationally communicated with the oil inlet connector 14, and the surface of the oil return pipe 19 is rotationally communicated with the oil discharging connector 15.
The working principle of the invention is that; during operation of the oil immersed transformer body 1, the spiral heat exchange coil 13 and the inside of the oil immersed transformer body 1 are filled with sufficient heat conduction oil, sufficient water cooling liquid is stored in the water cooling tank 23, during operation of the oil immersed transformer body 1, the temperature probe a22 is used for monitoring the oil temperature inside the oil immersed transformer body 1 in real time, when the temperature probe a22 monitors the oil temperature inside the oil feeding pipe 21 to exceed a set threshold value, the transmission module 3, the axial flow fan 5 and the transmission motor 7 are controlled to synchronously operate by a central control host matched with the oil immersed transformer, after the transmission module 3 and the axial flow fan 5 operate, heat is absorbed by the oil immersed transformer body 1 and dissipated and ventilated in a direction far away from the oil immersed transformer body 1, circulation ventilation filtration during air inlet of the axial flow fan 5 and circulation and self-cleaning of impurities adhered to the surface of the annular filter belt 4 are achieved through rotation of the annular filter belt 4, during operation of the transmission motor 7, after the oil pump 20 operates, the oil pump 20 is driven to circulate in the oil immersed transformer body 1 and the spiral heat exchange coil 13, and the water cooling liquid is used for cooling the heat conduction oil, and heat exchange efficiency of the heat conduction oil is improved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The transformer with good heat dissipation performance comprises an oil immersed transformer body (1), and is characterized in that a cooling shell (2) is fixedly arranged on the peripheral side surface of the oil immersed transformer body (1), a transmission module (3) is arranged in the cooling shell (2), an annular filter belt (4) is connected to the peripheral side surface of the transmission module (3) in a transmission mode, two groups of symmetrical axial flow fans (5) are arranged in the cooling shell (2) and correspond to the inner side position of the annular filter belt (4), two symmetrical air-permeable hole groups (6) which are arranged in the cooling shell (2) and correspond to the inner side position of the annular filter belt (4) are also arranged, two groups of symmetrical heat dissipation modules are arranged between the inner surfaces of the cooling shell (2), two transmission motors (7) are fixedly arranged on the top surface of the cooling shell (2), the output shaft ends of the two transmission motors (7) are respectively connected with the two groups of heat dissipation modules in a transmission mode through chains, and the side surfaces of the oil immersed transformer body (1) are respectively fixedly provided with a water cooling mechanism and a heat dissipation mechanism which are communicated with the heat dissipation mechanism;
the transmission module (3) comprises a driving motor fixed on the surface of the cooling shell (2) and four driven rollers which are regularly distributed and rotationally connected to the inner surface of the cooling shell (2), the output shaft end of the driving motor is fixedly connected with one driven roller, the peripheral side surfaces of the four driven rollers are in transmission connection with the annular filter belt (4), and the axis of the driven roller is perpendicular to the ventilation axis of the axial flow fan (5);
ventilation filtering holes are uniformly distributed in the annular filtering belt (4), two ventilation hole groups (6) are respectively arranged in a staggered mode with two groups of axial flow fans (5), and the oil immersed transformer body (1) is arranged between two groups of heat dissipation modules;
the heat dissipation module comprises a heat dissipation frame (8) fixed on the surface of the oil immersed transformer body (1), the inner wall of the heat dissipation frame (8) is rotationally connected with a water cooling rotary cylinder (9), a water cooling cavity (10) is fixedly formed in the water cooling rotary cylinder (9), water cooling liquid is filled in the water cooling cavity (10), a liquid inlet annular cavity (11) and a liquid return annular cavity (12) which are isolated from each other are formed in the heat dissipation frame (8) from top to bottom respectively, the inner walls of the liquid inlet annular cavity (11) and the liquid return annular cavity (12) are rotationally communicated with the water cooling cavity (10), the surfaces of the liquid inlet annular cavity (11) and the liquid return annular cavity (12) are both communicated with a water cooling mechanism, a heat exchange piece is rotationally connected with the inner wall of the water cooling rotary cylinder (10), and the water cooling rotary cylinder (9) is driven by the heat exchange piece;
the heat exchange piece comprises a spiral heat exchange coil (13), two ends of the spiral heat exchange coil (13) are fixedly communicated with an oil inlet joint (14) and an oil discharge joint (15) respectively, the peripheral side surfaces of the oil inlet joint (14) are in transmission connection with chains at adjacent positions, the peripheral side surfaces of the oil inlet joint (14) and the oil discharge joint (15) are both in rotary connection with a water-cooling rotary cylinder (9), the end parts of the oil inlet joint (14) and the oil discharge joint (15) are both in rotary communication with an oil pumping mechanism, and the water-cooling rotary cylinder (9) is driven by the oil discharge joint (15);
the water-cooling rotary cylinder (9) and the bottom of the oil discharging joint (15) are fixedly provided with driven bevel gears, the lower part of the heat dissipation frame (8) is rotationally connected with a differential shaft (16), the end part of the differential shaft (16) is fixedly provided with differential bevel gears, the surfaces of the driven bevel gears are in transmission connection with the differential bevel gears, and the differential shaft (16) is arranged between the two driven bevel gears.
2. The transformer with good heat dissipation performance according to claim 1, wherein: the periphery of the water-cooling rotary cylinder (9) is fixedly provided with a group of radiating fins (17) distributed in a circumferential array, and the heat exchange piece and the water-cooling rotary cylinder (9) are both made of copper materials.
3. The transformer with good heat dissipation performance according to claim 2, wherein: the oil pumping mechanism comprises an oil distribution pipe (18), an oil return pipe (19) and an oil pump (20) which are fixed on the surface of a cooling shell (2), wherein the surface of the oil return pipe (19) is communicated with an oil cavity inside an oil immersed transformer body (1) through a joint, one end of an oil inlet of the oil pump (20) is fixedly communicated with the oil return pipe (19), one end of an oil outlet of the oil pump (20) is fixedly communicated with the oil distribution pipe (18) through an oil supply pipe (21), a temperature probe a (22) is mounted in the oil supply pipe (21), the surface of the oil distribution pipe (18) is rotationally communicated with an oil inlet joint (14), and the surface of the oil return pipe (19) is rotationally communicated with an oil discharge joint (15).
4. A transformer with good heat dissipation performance according to claim 3, wherein: the water cooling mechanism comprises a water cooling box (23) fixed on the side face of the cooling shell (2), a liquid separating pipe (24) fixed on the inner wall of the cooling shell (2) and a negative pressure suction pipe (25), a water pump (26) is fixedly installed at the bottom of the water cooling box (23), one end of a liquid outlet of the water pump (26) is fixedly communicated with the water cooling box (23), one end of a liquid inlet of the water pump (26) is fixedly communicated with the negative pressure suction pipe (25), the surface of the liquid separating pipe (24) is fixedly communicated with a liquid inlet annular cavity (11) through a connecting joint, the surface of the negative pressure suction pipe (25) is fixedly communicated with a liquid return annular cavity (12) through a connecting joint, a refrigerating module (27) is arranged in the water cooling box (23), and a temperature probe b (28) is installed in the water cooling box (23).
5. The transformer with good heat dissipation performance according to claim 4, wherein: the inside of the water-cooling rotary cylinder (9) and the positions corresponding to the liquid inlet annular cavity (11) and the liquid return annular cavity (12) are provided with a group of liquid permeable holes (29) distributed in a circumferential array.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310548428.9A CN116469647B (en) | 2023-05-16 | 2023-05-16 | Transformer with good heat dissipation performance |
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CN202310548428.9A CN116469647B (en) | 2023-05-16 | 2023-05-16 | Transformer with good heat dissipation performance |
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CN116469647A CN116469647A (en) | 2023-07-21 |
CN116469647B true CN116469647B (en) | 2023-09-22 |
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CN202310548428.9A Active CN116469647B (en) | 2023-05-16 | 2023-05-16 | Transformer with good heat dissipation performance |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201096462Y (en) * | 2006-12-07 | 2008-08-06 | 佛山市顺德区鑫雷节能设备有限公司 | Pipe barrel type liquid-storing heat exchanger |
CN216161567U (en) * | 2021-09-06 | 2022-04-01 | 顺特电气设备有限公司 | Oil-immersed transformer |
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CN218910408U (en) * | 2022-11-18 | 2023-04-25 | 武汉纵能科技有限公司 | Steel pipe spiral water-cooling belly pipe |
CN116104769A (en) * | 2022-12-09 | 2023-05-12 | 江苏航天动力机电有限公司 | High-speed motor pump heat dissipation device and heat dissipation method thereof |
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CN201096462Y (en) * | 2006-12-07 | 2008-08-06 | 佛山市顺德区鑫雷节能设备有限公司 | Pipe barrel type liquid-storing heat exchanger |
CN216161567U (en) * | 2021-09-06 | 2022-04-01 | 顺特电气设备有限公司 | Oil-immersed transformer |
CN217588629U (en) * | 2022-04-07 | 2022-10-14 | 河南中变电气有限公司 | Oil-immersed transformer with circulative cooling function |
CN217979295U (en) * | 2022-05-09 | 2022-12-06 | 中山大文燃气科技有限公司 | Heat exchanger assembly of water heater |
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