CN220651772U

CN220651772U - Combined transformer

Info

Publication number: CN220651772U
Application number: CN202321795472.1U
Authority: CN
Inventors: 戚蕴哲; 侯玉洁; 戚本宇; 陈寒冰; 耿小文; 苏巧芝; 张洁; 张菁; 李�杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-03-22
Anticipated expiration: 2033-07-10

Abstract

The utility model discloses a combined transformer, which relates to the technical field of power industry and comprises a first bottom plate, wherein a pulley device is fixedly arranged at the bottom of the first bottom plate, a fixing device is arranged at the bottom of the pulley device, a transformer box is fixedly arranged at the top of the first bottom plate, a heat radiating device is fixedly arranged on the surface of the transformer box, a supporting block is fixedly arranged on the inner wall of the transformer box, a supporting table is fixedly arranged at the top of the transformer box, an oil conveying device is fixedly arranged on the upper surface of the supporting table, a second bottom plate is fixedly arranged at the bottom of the fixing device, a connecting block is fixedly arranged at one end of the second bottom plate, a bolt is movably arranged in the connecting block, screw caps are movably connected at two ends of the bolt, a protection cover is fixedly arranged on the surface of the heat radiating device, a motor is fixedly arranged on the surface of the supporting plate, a supporting rod II is rotationally connected at the axis of the motor, and a fan blade is fixedly connected to the outer wall of the supporting rod.

Description

Combined transformer

Technical Field

The utility model relates to the technical field of power industry, in particular to a combined transformer.

Background

The transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like. The total capacity of the transformer operated on the net in China is about 1700 ten thousand, and the total capacity is about 110 hundred million kilovolts. The transformer loss accounts for about 40% of the power loss of the power transmission and distribution, the energy-saving power generation system has great energy-saving potential, and the development and implementation of a new-round transformer energy efficiency improvement plan can promote the optimization and the upgrading of the industrial chain of the transformers in China, accelerate the energy efficiency improvement of the transformers, be more beneficial to reducing the power transmission and distribution loss level, further promote the green low-carbon and high-quality development of a power grid, and increase the market supply and the green new kinetic energy of the high-efficiency transformers.

The following problems exist in the prior art:

compared with the traditional vertical transformer, the combined transformer has good heat dissipation characteristic, process consistency, flexible and various coil structures and connection modes, can better meet the development requirements of high frequency, low section and integration of a switching power supply, has been widely applied, and has higher added value. However, as the working frequency of the switching power supply is continuously increased, the output current is increasingly increased, and the loss of the high-frequency power magnetic element (including the loss of the magnetic core and the coil) is also rapidly increased, so that the efficiency of the switching power supply is reduced, the design difficulty is increased, and particularly, the problems that a combined transformer of the high-power-density switching power supply widely used with a planar transformer is easy to occur that the transformer body is too heavy and is not easy to carry, the machine body is overheated to cause some faults, potential safety hazards exist, the service life is short and the like are solved.

Disclosure of Invention

The utility model mainly aims to provide a combined transformer, wherein one purpose is to easily transport and place the combined transformer, so that the combined transformer is too heavy and difficult to transport, and the practicability is improved, and the other purpose is to solve the problem of heat dissipation, the potential safety hazard of a machine body possibly caused by overheat of the transformer, the problems of power loss and service life can be effectively avoided by reducing the temperature, and the problems set forth in the background can be effectively solved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a combination formula transformer, includes bottom plate one, the bottom fixed mounting of bottom plate one has pulley gear, pulley gear's bottom is equipped with fixing device, the top fixed mounting of bottom plate one has the transformer case, the surface mounting of transformer case has heat abstractor, the inner wall fixed mounting of transformer case has the supporting shoe, the top fixed mounting of transformer case has the brace table, the upper surface fixed mounting of brace table has oil transportation device.

The technical scheme of the utility model is further improved as follows: the bottom of the first bottom plate is fixedly provided with a first supporting rod, the side edge of the first supporting rod is fixedly provided with a baffle, the bottom of the first supporting rod is fixedly provided with a rotating shaft, and the outer surface of the rotating shaft is fixedly connected with a roller.

By adopting the technical scheme, in the scheme, the first bottom plate, the first support rod, the rotating shaft, the baffle and the pulley are matched together, so that the transformer is convenient to move.

The technical scheme of the utility model is further improved as follows: the bottom of the fixing device is fixedly provided with a second bottom plate, one end of the second bottom plate is fixedly provided with a connecting block, the inside of the connecting block is movably provided with a bolt, and two ends of the bolt are movably connected with screw caps.

By adopting the technical scheme, the second bottom plate, the baffle, the connecting block, the bolts and the screw caps are matched together to fix the pulley device.

The technical scheme of the utility model is further improved as follows: the bottom of the heat radiating device is fixedly provided with a supporting plate, the surface of the supporting plate is fixedly provided with a protecting cover, the surface of the supporting plate is fixedly provided with a screw, the surface of the supporting plate is fixedly provided with a motor, the axle center of the motor is rotationally connected with a second supporting rod, and the outer wall of the second supporting rod is fixedly connected with a fan blade.

By adopting the technical scheme, the supporting plate, the protective cover, the screw, the motor, the second supporting rod and the fan blade are matched with the rotating fan blade together to cool the transformer.

The technical scheme of the utility model is further improved as follows: the external surface fixedly connected with fin of transformer case, the inside fixedly connected with oil drum of transformer case, the inside fixedly connected with iron sheet of oil drum, the bottom fixedly connected with oil drain gate of oil drum, the one end fixedly connected with support column of supporting shoe, the fixed surface of support column installs the return bend, the both ends fixedly connected with oil delivery pipe one of return bend, the other end fixedly connected with oil drum of oil delivery pipe one.

By adopting the technical scheme, in the scheme, the transformer tank, the radiating fin, the oil drum, the iron sheet, the oil drain gate, the supporting block, the supporting column, the bent pipe and the oil delivery pipe are matched together to enable the oil drum to be cooled and uniformly transmitted to the oil drain gate.

The technical scheme of the utility model is further improved as follows: the top fixedly connected with low-voltage bushing of brace table, low-voltage bushing's side fixedly connected with high-voltage bushing, high-voltage bushing's side fixed mounting has the tapping switch.

By adopting the technical scheme, the tapping switch, the high-voltage pipe sleeve and the low-voltage pipe sleeve in the scheme change the current to be used as a lead and an equipment switch.

The technical scheme of the utility model is further improved as follows: the top of oil transportation device fixed mounting has the screw cap, the outer wall swing joint of screw cap has the defeated oil port, the bottom fixedly connected with solid fixed ring of defeated oil port, gu fixed ring's inside movable mounting has set screw, gu fixed ring's bottom fixedly connected with defeated oil pipe two.

By adopting the technical scheme, in the scheme, the screw cap, the oil delivery port, the support ring, the screw and the oil delivery pipe II are matched together and used for delivering cooling oil into the oil drum.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

the utility model provides a combined transformer, which adopts the common cooperation of a first bottom plate, a first supporting rod, a rotating shaft, a pulley, a second bottom plate, a baffle, a connecting block, a bolt and a screw cap, and can facilitate the movement of the transformer through a pulley device, so that the condition that the transformer is too heavy and difficult to carry is avoided, and a transformer box can be stabilized after the transformer is pushed to the upper baffle of an inner cover of a fixing device without disassembly.

The utility model provides a combined transformer, which adopts a supporting plate, a protective cover, a screw, a motor, a second supporting rod, fan blades, cooling fins, an oil tank, iron sheets, a bent pipe and an oil delivery pipe I to be matched with the motor together to drive the second supporting rod to blow the fan blades to blow the cooling fins, so that cooling oil in the oil tank is blocked by the iron sheets to be brought into the cooling fins for rapid cooling, the risk and the reduction of the service life of a transformer box caused by overheating are avoided, and the service life is prolonged.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a heat dissipating device according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a transformer tank of the present utility model;

FIG. 4 is a schematic view of a fixing device according to the present utility model;

fig. 5 is a schematic structural diagram of an oil delivery device according to the present utility model.

In the figure: 1. a first bottom plate; 2. a transformer tank; 3. a heat sink; 4. an oil drain gate; 5. an oil delivery device; 6. an oil delivery pipe I; 7. a support block; 8. a support table; 9. a roller; 10. a baffle; 11. a low voltage bushing; 12. a high voltage bushing; 13. a first support rod; 14. a support column; 15. a heat sink; 16. bending the pipe; 17. a rotating shaft; 18. a tap changer; 19. a screw; 20. a support plate; 21. a protective cover; 22. a fan blade; 23. a second support rod; 24. a motor; 25. an oil drum; 26. iron sheet; 27. a fixing device; 28. a second base plate; 29. a connecting block; 30. a bolt; 31. a screw cap; 32. an oil delivery port; 33. a screw cap; 34. a fixing ring; 35. a fixing screw; 36. oil delivery pipe II; 37. a pulley device.

Description of the embodiments

The utility model is further illustrated by the following examples:

examples

As shown in fig. 1-5, the utility model provides a combined transformer, which comprises a first bottom plate 1, a pulley device 37 is fixedly arranged at the bottom of the first bottom plate 1, a fixing device 27 is arranged at the bottom of the pulley device 37, a transformer box 2 is fixedly arranged at the top of the first bottom plate 1, a heat radiating device 3 is fixedly arranged at the surface of the transformer box 2, a supporting block 7 is fixedly arranged on the inner wall of the transformer box 2, a supporting table 8 is fixedly arranged at the top of the transformer box 2, an oil conveying device 5 is fixedly arranged on the upper surface of the supporting table 8, a first supporting rod 13 is fixedly arranged at the bottom of the first bottom plate 1, a baffle plate 10 is fixedly arranged at the side edge of the first supporting rod 13, a rotating shaft 17 is fixedly arranged at the bottom of the first bottom plate 1, a roller 9 is fixedly arranged at the bottom of the first bottom plate 13, a rotating shaft 17 is fixedly arranged at the side edge of the first rotating shaft 17, a supporting block 7 is fixedly arranged at the inner side of the inner surface of the roller 9, a second bottom plate 28 is fixedly arranged at the bottom of the fixing device 27, a first end of the second bottom plate 28 is fixedly arranged at one end of the second bottom plate 29, a screw cap 30 is movably arranged at the inner end of the second bottom plate 29, a screw cap 30 is movably connected with the inner end of the screw cap 30 movably connected with the inner end 31 of the screw cap 30, and the screw cap 30 is movably connected with the inner end 30 of the screw cap 30.

In this embodiment, the pulley device 37 is added to be portable, so that the top of the transformer box 2 is pushed, the rotating shaft 17 is matched with the roller 9 to rotate, the first supporting rod 13 is connected with the rotating shaft 17 and the first bottom plate 1, the roller 9 is rotated to drive the transformer to integrally move, the pulley device 37 is pushed into the fixing device 27 after reaching the destination, the connecting block 29 connected through the bolt 30 can drive the plate to open and close, the plate can fix the transformer through bolt fixing, and the transformer is not easy to slide.

Examples

As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the bottom of the heat dissipating device 3 is fixedly provided with a supporting plate 20, the surface of the supporting plate 20 is fixedly provided with a protecting cover 21, the surface of the supporting plate 20 is fixedly provided with a screw 19, the surface of the supporting plate 20 is fixedly provided with a motor 24, the axis of the motor 24 is rotationally connected with a second supporting rod 23, the outer wall of the second supporting rod 23 is fixedly connected with a fan blade 22, the surface of the supporting plate 20 is fixedly provided with the surface of the screw 19, the surface of the supporting plate 20 is fixedly provided with the bottom of the motor 24, the axis of the motor 24 is rotationally connected with the axis of the second supporting rod 23, the outer wall of the second supporting rod 23 is fixedly connected with the inner wall of the fan blade 22, the outer surface of the transformer tank 2 is fixedly connected with a radiating fin 15, the inside of the transformer tank 2 is fixedly provided with an oil drum 25, the inside of the oil drum 25 is fixedly connected with an iron sheet 26, the bottom fixedly connected with oil drain gate 4 of oil drum 25, the one end fixedly connected with support column 14 of supporting shoe 7, the fixed surface of support column 14 installs return bend 16, the both ends fixed mounting of return bend 16 has first oil delivery pipe 6, the other end fixedly connected with oil drum 25 of first oil delivery pipe 6, the inside of transformer tank 2 and the outside fixed mounting of oil drum 25, the bottom of oil drum 25 and the one end fixed connection of oil drain gate 4, the inner wall of transformer tank 2 and the surface fixed mounting of supporting shoe 7, the one end of supporting shoe 7 and the fixed surface of support column 14 are connected, the surface of support column 14 and the inner wall fixed mounting of return bend 16, the both ends of return bend 16 and the one end fixed mounting of first oil delivery pipe 6, the other end of first oil delivery pipe 6 and the side fixed connection of oil drum 25.

In this embodiment, the cooling liquid in the heat dissipating device 3 and the oil tank 25 cooperate to cool the transformer tank 2, the heat dissipating device drives the second support rod 23 and the fan blade 22 to blow the wind to the cooling fins through the motor 24, the cooling oil in the oil tank 25 is pushed to flow through the pump force, the cooling oil circulates through the oil delivery pipe 36, the cooling oil is blocked to flow to the cooling fins 15 through the iron sheet 26, and the cooling oil is quickly cooled by the external heat dissipating device 3 blowing to the cooling fins 15.

Examples

As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the top fixedly connected with low pressure sleeve pipe 11 of brace table 8, the side fixedly connected with high-pressure sleeve pipe 12 of low pressure sleeve pipe 11, the side fixedly connected with tapping switch 18 of high pressure sleeve pipe 12, the top of brace table 8 and the bottom fixedly connected of low pressure sleeve pipe 11, the side fixedly connected of low pressure sleeve pipe 11 and the side fixedly connected of high pressure sleeve pipe 12, the side fixedly connected of high pressure sleeve pipe 12 and the side fixedly connected of tapping switch 18, screw cap 33 is fixedly installed at the top of oil transfer device 5, the outer wall swing joint of screw cap 33 has oil delivery mouth 32, the bottom fixedly connected with solid fixed ring 34 of oil delivery mouth 32, the inside movable mounting of solid fixed ring 34 has set screw 35, the bottom fixedly connected with oil delivery pipe two 36 of solid fixed ring 34, the inner wall of screw cap 33 and the outer wall swing joint of oil delivery mouth 32, the bottom of oil delivery mouth 32 and the inner wall fixedly connected of solid fixed ring 34, the inside of solid fixed ring 34 and the outer wall movable mounting of set screw 35, the bottom of solid fixed ring 34 and the top fixedly connected of oil delivery pipe two 36.

In this embodiment, the transformer is turned on by the tapping switch 18 button, the high-voltage sleeve 12 and the low-voltage sleeve 11 convert the current, the oil delivery device 5 leaks the oil delivery port 32 by twisting the screw cap 33, the cooling oil is poured into the oil delivery port 32, the cooling oil enters the oil delivery pipe two 36 along with the oil delivery port 32 and flows into the oil barrels 25, the oil delivery pipe one 6 connected between the oil barrels 25 flows into the other two oil barrels 25 respectively, and the screw cap 33 is screwed down, so that sundries are not easy to enter the oil barrels 25, and the potential safety hazard is reduced.

The working principle of the combined transformer is specifically described below.

As shown in fig. 1-5, when the transformer box is used, portability is increased through the pulley device 37, the top of the transformer box 2 is pushed, the rotating shaft 17 is matched with the roller 9 to rotate, the first supporting rod 13 is connected with the rotating shaft 17 and the first bottom plate 1, the transformer is driven to integrally move through the rotating roller 9, the pulley device 37 is pushed into the fixing device 27, the connecting block 29 connected through the bolt 30 can drive the plate to open and close, the transformer is fixed through the bolt fixing by the plate, the transformer is opened through the button of the tapping switch 18, the high-voltage sleeve 12 and the low-voltage sleeve 11 convert current, the oil conveying device 5 leaks the oil conveying port 32 through the unscrewing threaded cover 33, cooling oil is poured into the oil conveying port 32, the cooling oil can enter the oil conveying pipe 36 along with the oil conveying port 32 to flow into the oil barrels 25, the oil conveying pipe 6 connected between the oil barrels 25 respectively flows into the other two oil barrels 25, the threaded cover 33 is screwed tightly, cooling liquid in the cooling device 3 and the oil barrels 25 are matched to jointly cool the transformer box 2, the supporting rod 23 and 22 are driven by the motor 24 to drive the supporting rod 23 and 22 to blow the cooling oil into the cooling fins through the motor 24 to blow the cooling fins to the cooling fins, the cooling oil can flow into the cooling fins through the cooling oil pump 15, and the cooling oil can flow through the cooling oil through the cooling pump 15 to the cooling fins and the cooling fins is quickly cooled down to the cooling oil is blown into the cooling fins 15.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. A combined transformer comprising a first base plate (1), characterized in that: the bottom fixed mounting of bottom plate one (1) has pulley gear (37), the bottom of pulley gear (37) is equipped with fixing device (27), the top fixed mounting of bottom plate one (1) has transformer case (2), the fixed surface of transformer case (2) installs heat abstractor (3), the inner wall fixed mounting of transformer case (2) has supporting shoe (7), the top fixed mounting of transformer case (2) has supporting bench (8), the upper surface fixed mounting of supporting bench (8) has oil transportation device (5).

2. A combination transformer according to claim 1, wherein: the bottom fixed mounting of bottom plate one (1) has bracing piece one (13), the side fixed mounting of bracing piece one (13) has baffle (10), the bottom fixed mounting of bracing piece one (13) has pivot (17), the surface fixedly connected with gyro wheel (9) of pivot (17), the bottom of bottom plate one (1) and the top fixed mounting of bracing piece one (13), the side of bracing piece one (13) and the side fixed mounting of baffle (10), the bottom of bracing piece one (13) and the inside fixed connection of pivot (17) and gyro wheel (9) with the side fixed mounting of bracing piece one (17).

3. A combination transformer according to claim 1, wherein: the bottom fixed mounting of fixing device (27) has bottom plate two (28), the one end fixed mounting of bottom plate two (28) has connecting block (29), the inside movable mounting of connecting block (29) has bolt (30), the both ends swing joint of bolt (30) has screw cap (31), the one end of bottom plate two (28) and the one end fixed connection of connecting block (29), the inside of connecting block (29) and the surface movable mounting of bolt (30), the both ends of bolt (30) and the inner wall swing joint of screw cap (31).

4. A combination transformer according to claim 1, wherein: the bottom fixed mounting of heat abstractor (3) has backup pad (20), the fixed surface of backup pad (20) installs safety cover (21) the fixed surface of backup pad (20) installs screw (19), the fixed surface of backup pad (20) installs motor (24), the axle center department of motor (24) rotates and is connected with bracing piece two (23), the outer wall fixedly connected with flabellum (22) of bracing piece two (23), the fixed surface of backup pad (20) and the fixed surface of screw (19) install, the fixed surface of backup pad (20) and the fixed surface of bottom of motor (24), the axle center department of motor (24) rotates with the axle center department of bracing piece two (23) to be connected, the outer wall of bracing piece two (23) and the inner wall fixed connection of flabellum (22).

5. A combination transformer according to claim 1, wherein: the oil tank is characterized in that the outer surface of the transformer tank (2) is fixedly connected with the radiating fin (15), the oil drum (25) is fixedly installed inside the transformer tank (2), the iron sheet (26) is fixedly connected with the bottom of the oil drum (25), the oil drain gate (4) is fixedly connected with the bottom of the oil drum (25), one end of the supporting block (7) is fixedly connected with the supporting column (14), the surface of the supporting column (14) is fixedly installed with the bent pipe (16), the oil delivery pipe I (6) is fixedly installed at the two ends of the bent pipe (16), the oil delivery pipe I (6) is fixedly connected with the oil drum (25) at the other end, the bottom of the oil drum (25) is fixedly connected with one end of the oil drain gate (4), the inner wall of the transformer tank (2) is fixedly installed with the outer surface of the supporting block (7), one end of the supporting block (7) is fixedly connected with the surface of the supporting column (14), the surface of the supporting column (14) is fixedly installed with the bent pipe (16), the two ends of the bent pipe (16) are fixedly installed at the other end of the oil delivery pipe I (6), and one end of the oil delivery pipe I (6) is fixedly connected with the oil delivery pipe I (6).

6. A combination transformer according to claim 1, wherein: the high-voltage power supply is characterized in that the top of the supporting table (8) is fixedly connected with a low-voltage sleeve (11), the side edge of the low-voltage sleeve (11) is fixedly connected with a high-voltage sleeve (12), the side edge of the high-voltage sleeve (12) is fixedly provided with a tapping switch (18), the top of the supporting table (8) is fixedly connected with the bottom of the low-voltage sleeve (11), the side edge of the low-voltage sleeve (11) is fixedly connected with the side edge of the high-voltage sleeve (12), and the side edge of the high-voltage sleeve (12) is fixedly connected with the side edge of the tapping switch (18).

7. A combination transformer according to claim 1, wherein: the top fixed mounting of oil transfer device (5) has screw cap (33), the outer wall swing joint of screw cap (33) has defeated oil port (32), the bottom fixedly connected with solid fixed ring (34) of defeated oil port (32), the inside movable mounting of solid fixed ring (34) has dead screw (35), the bottom fixedly connected with defeated oil pipe two (36) of solid fixed ring (34), the inner wall of screw cap (33) and the outer wall swing joint of defeated oil port (32), the bottom of defeated oil port (32) and the inner wall fixed connection of solid fixed ring (34), the inside of solid fixed ring (34) and the outer wall swing joint of dead screw (35), the bottom of solid fixed ring (34) and the top fixed connection of defeated oil pipe two (36).