CN116825488B - Radiator of power transformer and use method - Google Patents
Radiator of power transformer and use method Download PDFInfo
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- CN116825488B CN116825488B CN202311036454.XA CN202311036454A CN116825488B CN 116825488 B CN116825488 B CN 116825488B CN 202311036454 A CN202311036454 A CN 202311036454A CN 116825488 B CN116825488 B CN 116825488B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 27
- 230000017525 heat dissipation Effects 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000498 cooling water Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Abstract
The invention belongs to the technical field of transformer radiators, in particular to a radiator of a power transformer and a use method thereof. According to the invention, the heat radiating assembly is arranged, in the working process of the transformer, the oil pump can pump the cooling oil in the oil storage tank into the transformer shell in a circulating way along with the working of the oil pump, so that the transformer is cooled in a circulating way, and in addition, the cooling oil can drive the rotating shaft and the fan blades to rotate along with the continuous circulation of the cooling oil, so that the heat gathered between two adjacent heat radiating fins is blown away rapidly and the heat radiating fins are cooled, the heat radiating efficiency of the heat radiating fins on the cooling oil is improved, and the heat radiating effect of the cooling oil on the transformer is further improved.
Description
Technical Field
The invention belongs to the technical field of transformer radiators, and particularly relates to a radiator of a power transformer and a use method thereof.
Background
A transformer is a stationary electrical device for transforming ac voltage and current to transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction. The transformer can be classified into a power transformer, a test transformer, an instrument transformer, and a special-purpose transformer in terms of its uses.
When the transformer operates, the transformer generates heat in the operation process due to the operation loss of the transformer. In order to reduce the operating temperature of the transformer, for some transformers with smaller power, some fins for heat dissipation are generally arranged around the transformer, so that the purpose of reducing the operating temperature of the transformer is achieved; for some transformers with higher power, an oil cooling mode is generally selected to cool the transformer. Although the heat dissipation effect of the oil cooling is remarkably improved compared with that of the heat dissipation fins, in summer with hot weather and in the peak period of electricity consumption, the oil cooling transformer still has the condition of overhigh temperature due to the fact that the transformer is in a full-load state, so that the transformer is abnormal in operation.
Therefore, it is necessary to provide a heat sink for a power transformer and a method of using the same to solve the above-mentioned problems.
Disclosure of Invention
In view of the above, the present invention provides a radiator for a power transformer to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a radiator of power transformer and application method, includes square transformer housing, the top detachable of transformer housing installs sealed lid, the oil storage tank is installed at the top of sealed lid, and the oil pump is installed at the top of oil storage tank, the bottom of oil storage tank is connected with into oil pipe, and advances the bottom of oil pipe and run through and peg graft on sealed lid, many vertical jacks have all been seted up around the transformer housing, the jack is located one side of transformer housing and is equipped with the bar box with jack assorted, bar box and transformer housing inner wall fixed connection, and the opening of bar box is relative with the jack, all be equipped with cooling module around the transformer housing, and one side of cooling module is connected with drive assembly.
Further, the radiating component comprises a mounting plate, one side fixedly connected with a plurality of cutting that the mounting plate is close to the jack and jack assorted, and a plurality of cutting pass through a plurality of jacks in proper order and peg graft in corresponding bar box, one side fixedly connected with a plurality of radiating fins of cutting is kept away from to the mounting plate, radiating fins runs through along its both sides direction and has seted up circular shape mounting hole, and all radiating fins's on the same mounting plate mounting hole all are located same straight line, and is a plurality of it has same pivot to run through the grafting in the mounting hole, the pivot is close to drive component's one end and is connected with drive component, the other end of pivot rotates and cup joints the fixed block, fixed block detachable and mounting plate vertical fixed connection are in the same place, the perpendicular fixedly connected with multiunit flabellum in surface of pivot, and multiunit flabellum are located between two adjacent radiating fins respectively.
Further, the transmission assembly comprises an oil inlet box and a sealing box, the oil inlet box is fixedly connected to the inner wall of the transformer shell, a connecting hole is formed in the position, opposite to the oil inlet box, of the transformer shell in a penetrating manner, the connecting hole is communicated with the inside of the oil inlet box, a transmission area and a driven area are arranged in the oil inlet box, a plugboard is arranged between the transmission area and the driven area, the plugboard completely separates the transmission area from the driven area, a transmission shaft is arranged in the transmission area, one end of the transmission shaft is vertically and rotatably connected with the inner wall of one side of the oil inlet box, the other end of the transmission shaft is vertically and rotatably connected with the plugboard in a penetrating manner, an impeller is fixedly sleeved on the part, located in the transmission area, of the transmission shaft, a first gear is fixedly sleeved on one side, close to the opening of the oil inlet box, of the first gear is meshed with a second gear, the two sides of the second gear are respectively and vertically connected with the inner wall of the oil inlet box and the plugboard in a rotating way, the top position of the oil inlet box, which is close to one side of the transmission area, is penetrated and provided with an oil inlet hole, the sealing box is fixedly connected with the outer part of the transformer shell and is opposite to the connecting hole, the inner part of the sealing box is communicated with the connecting hole, the position of the sealing box, which is opposite to the plugboard, is fixedly connected with a baffle plate, the inner part of the sealing box is divided into two spaces which are completely separated, the top of the space, which is close to one side of the transmission area, of the baffle plate is penetrated and inserted with an oil outlet pipe, a connecting pipe is connected between the top of the oil outlet pipe and the oil storage tank, one side, which is close to the second gear, of the baffle plate is provided with a third gear, the two sides of the third gear are respectively and vertically connected with the baffle plate and the inner wall of the sealing box in a rotating way, the third gear is meshed with the second gear, one side, which is close to the rotating shaft is vertically penetrated and inserted with a connecting shaft, one end of the connecting shaft is vertically and fixedly connected with the center of the third gear, the other end of the connecting shaft is fixedly connected with a connecting sleeve, and the connecting sleeve is sleeved with the rotating shaft in a sliding manner.
Furthermore, one side of the plugboard, which is close to the baffle plate, is positioned outside the oil inlet box, one side of the baffle plate, which is close to the plugboard, is provided with a slot matched with the plugboard, and the plugboard is in sliding connection with the slot.
Further, the mounting panel is close to radiating fin's one side detachable and installs the protection casing, the protection casing is the fretwork design, and all radiating fin on the mounting panel all is located the inboard of protection casing.
Further, the top fixedly connected with storage water tank of protection casing, the top fixedly connected with water receiving tank of storage water tank.
Further, the water receiving tank is funnel-shaped, and a filter screen is arranged at the top opening of the water receiving tank.
Further, a plurality of inserts are fixedly connected with the top inner wall of the protective cover, a plurality of inserts are sequentially inserted between two adjacent radiating fins, and two sides of each insert can be tightly attached to the two adjacent radiating fins.
The invention also provides a use method of the radiator for the power transformer, which comprises the following steps:
step one: respectively mounting a plurality of mounting plates on the peripheral outer walls of the transformer shell, and enabling the cutting bars of the mounting plates to be inserted into the insertion holes on the corresponding side of the transformer shell;
step two: one end of the rotating shaft is connected with the connecting shaft through the connecting sleeve, and the other end of the rotating shaft is connected with the mounting plate through the fixing block;
step three: and starting the oil pump to circularly convey cooling oil in the transformer shell, so as to radiate the transformer by matching with the radiating component.
The invention has the technical effects and advantages that:
1. according to the invention, the heat radiating assembly is arranged, so that the oil pump can pump cooling oil in the oil storage tank into the transformer shell in a circulating way along with the operation of the oil pump in the working process of the transformer, thereby circularly cooling the transformer;
2. according to the invention, the protective cover is arranged, so that in the working process of the transformer, the protective cover can protect the radiating fins, and impurities in the external environment are prevented from falling between two adjacent radiating fins, so that the radiating effect of the radiating fins is ensured, in addition, the protective cover can also prevent the impurities from falling on the fan blades, so that the rotation of the fan blades is not influenced, in addition, when the transformer works, cooling water can be injected into the water storage tank, and when the temperature generated by the transformer is transferred onto the radiating fins, the radiating fins can be inserted into the cooling water in the water storage tank, so that the cooling of the radiating fins is accelerated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the structure of the invention except for the protective cover and the water storage tank;
FIG. 3 is an exploded view of the heat dissipating assembly of the present invention;
FIG. 4 is a schematic perspective view of a transformer housing of the present invention;
FIG. 5 is a perspective view showing the structure of a sealing cover, an oil storage tank, a connecting pipe, an oil inlet pipe and the like in the invention;
FIG. 6 is a schematic perspective view of a protective cover, a water storage tank, a water receiving tank, a filter screen and an insert block in the invention;
FIG. 7 is a perspective view showing a seal case and its internal structure according to the present invention;
fig. 8 is a first perspective cross-sectional view of the oil feed box of the present invention;
fig. 9 is a second perspective cross-sectional view of the oil feed box of the present invention.
In the figure: 1. a transformer housing; 2. sealing cover; 3. an oil storage tank; 4. an oil pump; 5. an oil inlet pipe; 6. a strip-shaped box; 7. a heat dissipation assembly; 71. a mounting plate; 72. cutting; 73. a heat radiation fin; 74. a rotating shaft; 75. a fixed block; 76. a fan blade; 8. a transmission assembly; 801. an oil inlet box; 802. a seal box; 803. inserting plate; 804. a transmission shaft; 805. an impeller; 806. a first gear; 807. a second gear; 808. an oil inlet hole; 809. a partition plate; 810. an oil outlet pipe; 811. a connecting pipe; 812. a third gear; 813. a connecting shaft; 814. connecting sleeves; 9. a protective cover; 10. a water storage tank; 11. a water receiving tank; 12. a filter screen; 13. and (5) inserting blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
The invention provides a radiator of a power transformer as shown in figures 1 to 9, which comprises a square transformer shell 1, wherein a sealing cover 2 is detachably arranged at the top of the transformer shell 1, an oil storage tank 3 is arranged at the top of the sealing cover 2, an oil pump 4 is arranged at the top of the oil storage tank 3, the bottom of the oil storage tank 3 is connected with an oil inlet pipe 5, the bottom end of the oil inlet pipe 5 is inserted on the sealing cover 2 in a penetrating way, a plurality of vertical jacks are formed in the periphery of the transformer shell 1, a strip-shaped box 6 matched with the jacks is arranged on one side of the jacks, which is positioned in the transformer shell 1, the strip-shaped box 6 is fixedly connected with the inner wall of the transformer shell 1, the opening of the strip-shaped box 6 is opposite to the jacks, a heat dissipation component 7 is arranged on the periphery of the transformer shell 1, and one side of the heat dissipation component 7 is connected with a transmission component 8;
before use, a plurality of heat dissipation components 7 are respectively arranged on the peripheral outer walls of the transformer shell 1, and the heat dissipation components 7 are connected with a transmission component 8;
when the oil pump 4 is started during use, the oil pump 4 continuously pumps cooling oil in the oil storage tank 3 into the transformer shell 1 and finally returns the cooling oil to the oil storage tank 3 through the transmission assembly 8, so that oil cooling operation of the transformer is realized, in the process, along with the operation of the transformer, temperature coldness generated by the transformer can be absorbed by the cooling oil, and then the cooling oil absorbing heat can transfer the heat into the heat dissipation assembly 7 through the strip-shaped box 6 and the transformer shell 1, so that the heat absorbed by the cooling oil can be quickly released into the outside air by the heat dissipation assembly 7, and the cooling of the cooling oil is accelerated;
in addition, at the in-process of oil pump 4 work, when the cooling oil flows back to oil storage tank 3 through drive assembly 8, the cooling oil that flows can drive radiator unit 7 operation to cool down radiator unit 7 self, and then further improve radiator unit 7 and to the cooling efficiency of cooling oil, improve the cooling effect to the transformer.
As shown in fig. 2 and 3, the heat dissipation assembly 7 comprises a mounting plate 71, one side of the mounting plate 71, which is close to a jack, is fixedly connected with a plurality of cutting bars 72 matched with the jack, the cutting bars 72 are sequentially inserted into the corresponding strip-shaped boxes 6 through the inserting holes, one side of the mounting plate 71, which is far away from the cutting bars 72, is fixedly connected with a plurality of heat dissipation fins 73, the heat dissipation fins 73 penetrate through circular mounting holes along the two side directions of the heat dissipation fins 73, the mounting holes of all the heat dissipation fins 73 on the same mounting plate 71 are positioned on the same straight line, the plurality of mounting holes are penetrated and inserted with the same rotating shaft 74, one end of the rotating shaft 74, which is close to the transmission assembly 8, is connected with the transmission assembly 8, the other end of the rotating shaft 74 is rotatably sleeved with a fixing block 75, the fixing block 75 is detachably and fixedly connected with the mounting plate 71, the surface of the rotating shaft 74 is fixedly connected with a plurality of groups of fan blades 76, and the fan blades 76 are respectively positioned between two adjacent heat dissipation fins 73;
when the heat radiation assembly 7 is installed, a plurality of cutting bars 72 on the installation plate 71 are correspondingly inserted into insertion holes on the transformer shell 1, so that the cutting bars 72 can be connected with the strip-shaped box 6, then the rotating shaft 74 is inserted into installation holes on the heat radiation fins 73 and connected with the transmission assembly 8, and finally the rotating shaft 74 is finally fixed through the fixing blocks 75;
in the working process of the transformer, heat generated during the working of the transformer can be directly transferred to cooling oil, then the cooling oil absorbing the heat can transfer the heat to the mounting plate 71 and the radiating fins 73 through the strip-shaped box 6, the cutting 72 and the transformer shell 1, and then the radiating fins 73 absorbing the heat can radiate the absorbed heat to the outside air, so that the cooling speed of the cooling oil is accelerated, and the cooling efficiency of the transformer is improved;
in addition, in the working process of the transformer, along with the working of the oil pump 4, the oil pump 4 can continuously inject cooling oil in the oil storage tank 3 into the transformer shell 1 through the oil inlet pipe 5, and then the cooling oil can return to the oil storage tank 3 through the transmission assembly 8, so that the circulating heat dissipation of the cooling oil to the transformer is realized;
and in the process that the cooling oil flows back to the oil storage tank 3 through the transmission component 8, the cooling oil can drive the transmission component 8 to operate, and along with the operation of the transmission component 8, the rotating shaft 74 can start rotating under the action of the transmission component 8, and along with the rotation of the rotating shaft 74, the multiple groups of fan blades 76 can rotate between two adjacent radiating fins 73 and generate wind, thereby the heat gathered between the two adjacent radiating fins 73 is blown away rapidly and the radiating fins 73 are cooled down, the radiating efficiency of the radiating fins 73 to the cooling oil is improved, and the radiating effect of the cooling oil to the transformer is further improved.
As shown in fig. 7 to 9, the transmission assembly 8 comprises an oil inlet box 801 and a sealing box 802, the oil inlet box 801 is fixedly connected to the inner wall of the transformer shell 1, a connecting hole is formed in the position, opposite to the oil inlet box 801, of the transformer shell 1, the connecting hole is communicated with the inside of the oil inlet box 801, a transmission area and a driven area are arranged in the oil inlet box 801, an inserting plate 803 is arranged between the transmission area and the driven area, the inserting plate 803 completely separates the transmission area from the driven area, a transmission shaft 804 is arranged in the transmission area, one end of the transmission shaft 804 is vertically and rotatably connected with the inner wall of one side of the oil inlet box 801, the other end of the transmission shaft 804 vertically and rotatably penetrates and is inserted on the inserting plate 803, an impeller 805 is fixedly sleeved on the part, located in the transmission area, of the transmission shaft 804 is fixedly sleeved with a first gear 806, one side, close to the opening of the oil inlet box 801, of the first gear 806 is meshed with a second gear 807, and the two sides of the second gear 807 are respectively and vertically connected with the inner wall of the oil inlet box 801 and the plugboard 803 in a rotating way, an oil inlet hole 808 is formed through the top of the oil inlet box 801 near one side of the transmission area, the sealing box 802 is fixedly connected with the outer part of the transformer housing 1 and is opposite to the connecting hole, the inner part of the sealing box 802 is communicated with the connecting hole, a baffle 809 is fixedly connected with the inner part of the sealing box 802 and is opposite to the plugboard 803, the baffle 809 divides the inner part of the sealing box 802 into two spaces which are completely separated, the top of the space of the baffle 809 near one side of the transmission area is penetrated and inserted with an oil outlet pipe 810, a connecting pipe 811 is connected between the top of the oil outlet pipe 810 and the oil storage tank 3, a third gear 812 is arranged on one side of the baffle 809 near the second gear 807, the two sides of the third gear 812 are respectively and vertically connected with the baffle 809 and the inner wall of the sealing box 802 in a rotating way, and the third gear 812 is meshed with the second gear 807, a connecting shaft 813 is vertically inserted through one side of the sealing box 802 close to the rotating shaft 74, one end of the connecting shaft 813 is vertically and fixedly connected with the center of the third gear 812, the other end of the connecting shaft 813 is fixedly connected with a connecting sleeve 814, the connecting sleeve 814 is in sliding sleeve joint with the rotating shaft 74, one side of the plugboard 803 close to the baffle 809 is positioned outside the oil inlet box 801, a slot matched with the plugboard 803 is formed in one side of the baffle 809 close to the plugboard 803, and the plugboard 803 is in sliding insertion in the slot;
when the transmission assembly 8 is installed, the oil inlet box 801 and the seal box 802 are respectively installed on the inner side part and the outer side part of the connecting hole, when the seal box 802 is in butt joint with the oil inlet box 801, the inserting plate 803 can be inserted into the inserting grooves on the partition plate 809, so that the first gear 806, the second gear 807 and the third gear 812 can be separated from the impeller 805, when cooling oil enters the oil inlet box 801 through the oil inlet hole 808, the cooling oil can be isolated in the area where the impeller 805 is located, the leakage probability of the cooling oil at the inserting position of the connecting shaft 813 and the seal box 802 is reduced, and after the seal box 802 and the oil inlet box 801 are installed, the connecting shaft 813 and the rotating shaft 74 are connected together through the connecting sleeve 814;
during the operation of the transformer, as the oil pump 4 is operated, the oil pump 4 can feed the cooling oil pump 4 in the oil reservoir 3 into the transformer housing 1 through the oil feed pipe 5, and then the cooling oil pumped into the transformer housing 1 can enter the inside of the oil feed box 801 and the seal box 802 through the oil feed hole 808, and finally flow back into the oil reservoir 3 through the connecting pipe 811; in this process, when cooling oil enters the oil inlet box 801 through the oil inlet hole 808 and impacts on the impeller 805, the impeller 805 can start to rotate under the pushing of the cooling oil, along with the rotation of the impeller 805, the impeller 805 can drive the first gear 806 to rotate through the transmission shaft 804, along with the rotation of the first gear 806, the second gear 807 and the third gear 812 can start to rotate under the transmission action of the first gear 806 in sequence, and when the third gear 812 rotates, the third gear 812 can drive the rotating shaft 74 through the connecting shaft 813, so that the fan blades 76 on the rotating shaft 74 can rotate and generate wind, heat collected between two adjacent radiating fins 73 can be blown away rapidly and the radiating fins 73 are cooled, the radiating efficiency of the radiating fins 73 on the cooling oil is improved, and the radiating effect of the cooling oil on the transformer is improved.
As shown in fig. 1 and 6, a protective cover 9 is detachably mounted on one side of a mounting plate 71, which is close to radiating fins 73, the protective cover 9 is in a hollowed design, all radiating fins 73 on the mounting plate 71 are located on the inner side of the protective cover 9, a water storage tank 10 is fixedly connected to the top of the protective cover 9, a water receiving tank 11 is fixedly connected to the top of the water storage tank 10, the water receiving tank 11 is funnel-shaped, a filter screen 12 is mounted at the top opening of the water receiving tank 11, a plurality of inserting blocks 13 are fixedly connected to the inner wall of the top of the protective cover 9, the inserting blocks 13 are sequentially inserted between two adjacent radiating fins 73, and two sides of each inserting block 13 can be tightly attached to the two adjacent radiating fins 73;
through the protective cover 9, after the installation plate 71 and the rotating shaft 74 are installed, the protective cover 9 is buckled on the outer sides of the radiating fins 73, so that the radiating fins 73 are protected, sundries in the external environment are prevented from falling between two adjacent radiating fins 73, the radiating effect of the radiating fins 73 is ensured, in addition, the protective cover 9 can also prevent sundries from falling on the fan blades 76, and the rotation of the fan blades 76 is prevented from being influenced;
in addition, by arranging the water storage tank 10 on the top of the protective cover 9, cooling water can be injected into the water storage tank 10 when the transformer works, so that when the temperature generated by the transformer is transferred to the radiating fins 73, the radiating fins 73 can be inserted into the cooling water in the water storage tank 10 by the inserting block 13, and cooling of the radiating fins 73 is accelerated;
in addition, when raining, rainwater can be supplemented into the water storage tank 10 through the water receiving tank 11, so that the water storage tank 10 can be guaranteed to be cooled by utilizing cooling water to accelerate the cooling fins 73, and the filter screen 12 can filter and block sundries in the external environment, so that sundries are prevented from falling into the water storage tank 10.
The invention also provides a use method of the radiator for the power transformer, which uses any one of the above steps:
step one: a plurality of mounting plates 71 are respectively mounted on the peripheral outer walls of the transformer housing 1, and the cutting 72 of each mounting plate 71 is inserted into the jack on the corresponding side of the transformer housing 1;
step two: one end of the rotating shaft 74 is connected with the connecting shaft 813 through the connecting sleeve 814, and the other end of the rotating shaft 74 is connected with the mounting plate 71 through the fixing block 75;
step three: the oil pump 4 is started to circulate and convey the cooling oil in the transformer shell 1, so that the cooling oil is matched with the cooling assembly 7 to cool the transformer.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.
Claims (7)
1. Radiator of power transformer, including square transformer housing (1), its characterized in that: the transformer is characterized in that a sealing cover (2) is detachably arranged at the top of the transformer shell (1), an oil storage tank (3) is arranged at the top of the sealing cover (2), an oil pump (4) is arranged at the top of the oil storage tank (3), an oil inlet pipe (5) is connected to the bottom of the oil storage tank (3), the bottom of the oil inlet pipe (5) is inserted on the sealing cover (2) in a penetrating manner, a plurality of vertical jacks are formed in the periphery of the transformer shell (1), a strip-shaped box (6) matched with the jacks is arranged on one side of the jacks, which is positioned in the transformer shell (1), the strip-shaped box (6) is fixedly connected with the inner wall of the transformer shell (1), an opening of the strip-shaped box (6) is opposite to the jacks, a heat radiating component (7) is arranged on the periphery of the transformer shell (1), and a transmission component (8) is connected to one side of the heat radiating component (7);
the heat dissipation assembly (7) comprises a mounting plate (71), a plurality of cutting bars (72) matched with the jacks are fixedly connected to one side, close to the jacks, of the mounting plate (71), the cutting bars (72) are sequentially inserted into the corresponding strip-shaped boxes (6) through the inserting holes, a plurality of heat dissipation fins (73) are fixedly connected to one side, far away from the cutting bars (72), of the mounting plate (71), circular mounting holes are formed in the two side directions of the heat dissipation fins (73) in a penetrating mode, the mounting holes of all the heat dissipation fins (73) on the same mounting plate (71) are all located on the same straight line, a plurality of rotating shafts (74) are inserted into the mounting holes in a penetrating mode, one end, close to the transmission assembly (8), of each rotating shaft (74) is connected with the transmission assembly (8), a fixing block (75) is sleeved at the other end of each rotating shaft (74), a plurality of groups (76) of fan blades (73) are detachably and vertically and fixedly connected with the mounting plate (71), and the surfaces of the rotating shafts (74) are vertically and fixedly connected with a plurality of groups (76) of fan blades, and the fan blades (76) are located between two adjacent fan blades (73) respectively;
the transmission assembly (8) comprises an oil feeding box (801) and a sealing box (802), the oil feeding box (801) is fixedly connected to the inner wall of the transformer shell (1), a connecting hole is formed in the position, opposite to the oil feeding box (801), of the transformer shell (1), the connecting hole is communicated with the inside of the oil feeding box (801), a transmission area and a driven area are arranged in the oil feeding box (801), an inserting plate (803) is arranged between the transmission area and the driven area, the inserting plate (803) completely separates the transmission area from the driven area, a transmission shaft (804) is arranged in the transmission area, one end of the transmission shaft (804) is vertically and rotatably connected with one side inner wall of the oil feeding box (801), the other end of the transmission shaft (804) vertically and rotatably penetrates and is inserted on the inserting plate (803), an impeller (805) is fixedly sleeved on the part, which is positioned in the transmission area, a first gear (806) is fixedly sleeved on the part, which is positioned in the driven area, one side, close to the opening of the oil feeding box (801), of the first gear (806) is meshed with a second gear (803), the two sides of the first gear (807) are meshed with the first gear (807) and the inner wall (807) which is vertically sleeved on one side of the oil feeding box (803) and is rotatably connected with the inner wall (803) of the oil feeding box (807), the transformer comprises a transformer shell (1), a sealing box (802) and a connecting hole, wherein the sealing box (802) is fixedly connected to the position, opposite to the connecting hole, of the outside of the transformer shell (1), the sealing box (802) is internally and fixedly connected with a partition plate (809) opposite to an inserting plate (803), the partition plate (809) divides the inside of the sealing box (802) into two spaces which are completely separated, an oil outlet pipe (810) is inserted through the top of the space close to one side of a transmission area, a connecting pipe (811) is connected between the top of the oil outlet pipe (810) and an oil storage tank (3), a third gear (812) is arranged on one side, close to the second gear (807), of the partition plate (809), two sides of the third gear (812) are respectively connected with the partition plate (809) and the inner wall of the sealing box (802) in a vertical rotating mode, the third gear (812) is meshed with the second gear (807), one side, close to a rotating shaft (74) is inserted through the connecting shaft (813) vertically, one end of the connecting shaft (813) is connected with the center of the third gear (812) in a fixed mode, and the other end of the connecting shaft (814) is connected with the rotating shaft (814) in a sleeved mode.
2. A heat sink for a power transformer as recited in claim 1, wherein: one side of the plugboard (803) close to the partition board (809) is positioned outside the oil inlet box (801), a slot matched with the plugboard (803) is formed in one side of the partition board (809) close to the plugboard (803), and the plugboard (803) is slidingly inserted into the slot.
3. A heat sink for a power transformer as recited in claim 1, wherein: one side of mounting panel (71) near radiating fin (73) is detachably installed protection casing (9), protection casing (9) are fretwork design, and all radiating fin (73) on mounting panel (71) all are located the inboard of protection casing (9).
4. A heat sink for a power transformer according to claim 3, characterized in that: the top of protection casing (9) fixedly connected with storage water tank (10), the top fixedly connected with water receiving tank (11) of storage water tank (10).
5. A heat sink for a power transformer as recited in claim 4, wherein: the water receiving tank (11) is funnel-shaped, and a filter screen (12) is arranged at the top opening of the water receiving tank (11).
6. A heat sink for a power transformer as recited in claim 4, wherein: a plurality of inserting blocks (13) are fixedly connected to the inner wall of the top of the protective cover (9), the inserting blocks (13) are sequentially inserted between two adjacent radiating fins (73), and two sides of each inserting block (13) can be tightly attached to the two adjacent radiating fins (73).
7. A method of using a heat sink of a power transformer according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
step one: a plurality of mounting plates (71) are respectively mounted on the peripheral outer wall of the transformer shell (1), and the cutting strips (72) of the mounting plates (71) are inserted into the insertion holes on the corresponding side of the transformer shell (1);
step two: one end of the rotating shaft (74) is connected with the connecting shaft (813) through the connecting sleeve (814), and the other end of the rotating shaft (74) is connected with the mounting plate (71) through the fixing block (75);
step three: and the oil pump (4) is started to circularly convey cooling oil in the transformer shell (1), so that the cooling oil is matched with the cooling assembly (7) to cool the transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311036454.XA CN116825488B (en) | 2023-08-17 | 2023-08-17 | Radiator of power transformer and use method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016105085A1 (en) * | 2014-12-22 | 2016-06-30 | 주식회사 효성 | Radiator for transformer |
| CN110718365A (en) * | 2019-09-23 | 2020-01-21 | 安徽华环电气设备有限公司 | Oil-immersed transformer with cooling structure |
| CN212784520U (en) * | 2020-09-07 | 2021-03-23 | 福州金宇电器设备有限公司 | Insulated metal enclosed switchgear |
| CN116130210A (en) * | 2022-12-21 | 2023-05-16 | 华能国际电力股份有限公司日照电厂 | Cooling system control device of oil immersed transformer |
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2023
- 2023-08-17 CN CN202311036454.XA patent/CN116825488B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016105085A1 (en) * | 2014-12-22 | 2016-06-30 | 주식회사 효성 | Radiator for transformer |
| CN110718365A (en) * | 2019-09-23 | 2020-01-21 | 安徽华环电气设备有限公司 | Oil-immersed transformer with cooling structure |
| CN212784520U (en) * | 2020-09-07 | 2021-03-23 | 福州金宇电器设备有限公司 | Insulated metal enclosed switchgear |
| CN116130210A (en) * | 2022-12-21 | 2023-05-16 | 华能国际电力股份有限公司日照电厂 | Cooling system control device of oil immersed transformer |
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| CN116825488A (en) | 2023-09-29 |
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