CN220252990U

CN220252990U - Self-cooling dry-type transformer

Info

Publication number: CN220252990U
Application number: CN202321883497.7U
Authority: CN
Inventors: 朱成; 何平
Original assignee: Hangzhou Qiujing Instrument Co ltd
Current assignee: Hangzhou Qiujing Instrument Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2023-12-26
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a self-cooling dry-type transformer, which relates to the field of dry-type transformers and comprises a base, wherein three groups of transformers are fixedly arranged above the base, a top plate is fixedly arranged at the upper end of each of the three groups of transformers, three groups of fans are arranged above the top plate, a plurality of groups of air inlets are arranged on the top plate and are right below the fans, a first iron ring is arranged on the periphery of each of the two groups of transformers, a second iron ring is arranged on the periphery of each of the other groups of transformers, a motor is fixedly arranged on one side of the base, and a rotating rod is fixedly arranged at the output end of each motor. According to the utility model, through the arrangement of the first iron ring, the first inclined plate, the second iron ring and the second inclined plate, the motor can be started to drive the pinion to rotate through the rotating rod, the large gear can drive the first iron ring and the second iron ring to rotate, and at the moment, through the arrangement of the first inclined plate and the second inclined plate, the hot-flow gas around the transformer can be discharged, so that the hot gas around the transformer is reduced, and the peripheral temperature is reduced.

Description

Self-cooling dry-type transformer

Technical Field

The utility model relates to the field of dry transformers, in particular to a self-cooling dry transformer.

Background

The epoxy resin poured dry-type transformer is an important power equipment in a power distribution system, and because the epoxy resin is a solid insulating material which is difficult to burn, flame retardant and self-extinguishing, namely safe and clean, the epoxy resin poured dry-type transformer has the characteristics of oil free, difficult to burn, low in operation loss, prominent in disaster prevention capability and the like, and compared with an oil-type transformer, the dry-type transformer has no problems of fire, explosion, pollution and the like due to the fact that the oil-type transformer does not have oil, the loss and noise are reduced to new levels, and conditions are created for placing the transformer and a low-voltage screen in the same power distribution room.

When the dry type transformer operates, heat generated by loss in the winding and the iron core should be timely dissipated, so that insulating materials are prevented from being damaged due to overheating, the dry type transformer is divided into a small-capacity transformer, a medium-capacity transformer and a large-capacity transformer, and the small-size transformer adopts a self-cooling mode (the heat can be dissipated through radiation and natural convection) because the ratio of the outer surface area to the volume of the transformer is relatively large in the use process; the medium-capacity transformer can dissipate heat in a way of forced air cooling to accelerate air flow; the large capacity transformer is cooled by a combination of air cooling and water cooling.

However, the foregoing small-capacity dry-type transformer adopts a self-cooling mode (through radiation and natural convection) to dissipate heat slowly, which may slow the heat dissipation of the dry-type transformer due to the slow air flow rate, and finally results in damage to the transformer, or the dry-type transformer is placed in a room, and forced heat dissipation is performed by a fan under the condition of no air flow, but this mode may not perform effective heat dissipation on the whole transformer, so that heat dissipation is uneven, and the transformer is damaged.

Disclosure of Invention

Accordingly, an object of the present utility model is to provide a self-cooling dry-type transformer, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a self-cooled dry-type transformer, includes the base, the fixed three transformer that are provided with in base top, three sets of transformer upper end is fixedly provided with the roof, the roof top is provided with three sets of fans, set up multiunit air inlet on the roof under the fan, two sets of transformer periphery is provided with the second hoop, another set of transformer periphery is provided with first hoop, base one side fixed mounting has the motor, the fixed bull stick that is provided with of motor output, roof one side is provided with the installation piece, the inside bull stick that connects through the bearing of installation piece, bull stick swing joint second hoop, bull stick one end is provided with drive assembly, drive assembly connects the fan.

Through adopting above-mentioned technical scheme, can make the motor start the back drive the rotation of pinion through the bull stick, can make the gear wheel drive first hoop and second hoop and rotate, through setting up on first swash plate and the second swash plate this moment, can make the peripheral hot flow gas of transformer by the exhaust for the peripheral steam of transformer reduces, and peripheral temperature reduces, can make the quick transmission temperature of transformer to make the speed of transformer cooling accelerate.

The utility model is further characterized in that two groups of second iron rings are arranged between the top plate and the base through bearings, the outer walls of the two groups of second iron rings are provided with large gears, the first iron rings are arranged between the top plate and the base through bearings, the outer walls of the first iron rings are provided with large gears, and the three groups of large gears are in meshed connection.

Through adopting above-mentioned technical scheme, through the rotation of gear wheel, can make first hoop and second hoop rotate.

The utility model is further characterized in that the outer wall of the rotating rod is provided with a pinion, and the pinion is connected with a group of large gears in a meshed mode.

Through adopting above-mentioned technical scheme, through the rotation of bull stick, the accessible pinion drives the gear wheel and rotates.

The electric wire installation device is further characterized in that three groups of electric wire installation cylinders are arranged above the top plate, the outer walls of the three groups of electric wire installation cylinders are sequentially connected with a first sleeve, a second sleeve and a third sleeve through bearings, and fans are fixedly sleeved on the outer walls of the first sleeve, the second sleeve and the third sleeve.

Through adopting above-mentioned technical scheme, through the rotation of first sleeve, second sleeve and third sleeve, can make the fan rotate.

The utility model further provides that the driving assembly comprises a first belt pulley, a second belt pulley, a third belt pulley, a fourth belt pulley, a fifth belt pulley and a sixth belt pulley, wherein the first belt pulley is fixedly arranged on the outer wall of the rotating rod, the second belt pulley and the third belt pulley are fixedly arranged on the outer wall of the first sleeve, the second belt pulley is connected with the first belt pulley through a first belt, the fourth belt pulley and the fifth belt pulley are fixedly sleeved on the outer wall of the second sleeve, the fourth belt pulley is connected with the third belt pulley through a second belt, the sixth belt pulley is fixedly arranged on the outer wall of the third sleeve, and the sixth belt pulley is connected with the fifth belt pulley through a third belt.

Through adopting above-mentioned technical scheme, through drive assembly's setting, can make the motor start the back, drive first sleeve, second sleeve and third sleeve through the bull stick and rotate.

The utility model further provides that a first sloping plate is arranged in the first iron ring, and the first sloping plate is obliquely arranged.

Through adopting above-mentioned technical scheme, through the setting of first swash plate, when can making first hoop rotate, the accessible first swash plate is taken out the gas that the transformer periphery is hotter.

The utility model further provides that a second sloping plate is arranged in the second iron ring, the second sloping plate is arranged in an inclined way, and the inclination direction of the second sloping plate is opposite to that of the first sloping plate.

Through adopting above-mentioned technical scheme, through the setting of second swash plate, when can making the second hoop rotate, the accessible second swash plate is taken out the hotter gas in transformer periphery.

In summary, the utility model has the following advantages:

1. according to the utility model, through the arrangement of the first iron ring, the first inclined plate, the second iron ring and the second inclined plate, the motor can be started and then the pinion is driven to rotate through the rotating rod, so that the large gear can drive the first iron ring and the second iron ring to rotate, at the moment, through the arrangement of the first inclined plate and the second inclined plate, the hot-flow gas around the transformer can be discharged, the hot gas around the transformer is reduced, the peripheral temperature is reduced, and the transformer can quickly transfer the temperature, thereby accelerating the cooling speed of the transformer.

2. According to the utility model, through the arrangement of the fan and the air inlet, the motor can be enabled to rotate through the arrangement of the first belt pulley after being started, and at the moment, the air can be blown to the air inlet through the fans arranged on the outer walls of the first sleeve, the second sleeve and the third sleeve, and at the moment, the air around the transformer can be quickly replaced, so that the purpose of quickly cooling the transformer is achieved.

Drawings

FIG. 1 is a front perspective view of the present utility model;

FIG. 2 is a bottom perspective view of the overall structure of the present utility model;

FIG. 3 is a top perspective view of the overall structure of the present utility model;

fig. 4 is a perspective view of a driving assembly according to the present utility model.

In the figure: 1. a base; 2. a transformer; 3. a top plate; 301. a mounting block; 302. an air inlet; 303. a wire installation cylinder; 4. a first iron ring; 401. a first swash plate; 5. a second iron ring; 501. a second swash plate; 6. a motor; 7. a rotating rod; 8. a first pulley; 9. a pinion gear; 10. a large gear; 11. a first belt; 12. a second pulley; 13. a first sleeve; 14. a third pulley; 15. a second belt; 16. a fourth pulley; 17. a second sleeve; 18. a fifth pulley; 19. a third belt; 20. a sixth pulley; 21. a third sleeve; 22. a fan.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

A self-cooling dry transformer, as shown in figures 1-4, comprises a base 1, three groups of transformers 2 are fixedly arranged above the base 1, a top plate 3 is fixedly arranged at the upper end of the three groups of transformers 2, three groups of fans 22 are arranged above the top plate 3, a plurality of groups of air inlets 302 are arranged on the top plate 3 and right below the fans 22, a second iron ring 5 is arranged on the periphery of two groups of transformers 2, a first iron ring 4 is arranged on the periphery of the other group of transformers 2, a motor 6 is started first, a rotating rod 7 fixedly arranged at the output end of the motor 6 can enable a pinion 9 fixedly arranged on the outer wall of the rotating rod 7 to rotate, a large gear 10 meshed with the pinion 9 rotates along with the rotation of the pinion 9 at the moment, so that the first iron ring 4 and the second iron ring 5 rotate, a plurality of groups of first inclined plates 401 arranged on the first iron ring 4 and a second inclined plate 501 arranged on the second iron ring 5, the hot gas around the transformer 2 can move, hot gas can be discharged under the rotation of the first iron ring 4 and the second iron ring 5, a motor 6 is fixedly arranged on one side of the base 1, a rotating rod 7 is fixedly arranged at the output end of the motor 6, a mounting block 301 is arranged on one side of the top plate 3, the rotating rod 7 is connected with the inside of the mounting block 301 through a bearing, the rotating rod 7 is movably connected with the second iron ring 5, one end of the rotating rod 7 is provided with a driving component, the driving component is connected with a fan 22, meanwhile, a first belt pulley 8 fixedly arranged at the end part of the rotating rod 7 can drive a second belt pulley 12 to rotate through a first belt 11 when the rotating rod 7 rotates, at the moment, the second belt pulley 12 can drive a first sleeve 13 to rotate on the outer wall of the wire mounting cylinder 303 and simultaneously drive a third belt pulley 14 to rotate, a fourth belt pulley 16 can rotate through the connection of the second belt 15, the second sleeve 17 is enabled to rotate on the outer wall of the wire installation cylinder 303, the fifth belt pulley 18 is enabled to rotate, the sixth belt pulley 20 can be enabled to drive the third sleeve 21 to rotate on the outer wall of the wire installation cylinder 303 through the connection of the third belt 19, the fan 22 fixedly arranged on the outer wall can be enabled to rotate through the rotation of the first sleeve 13, the second sleeve 17 and the third sleeve 21, then the fan 22 can be enabled to blow wind into the first iron ring 4 and the second iron ring 5 through the air inlets 302 through the plurality of groups of air inlets 302, the air on the outer wall of the transformer 2 can be replaced timely, and the transformer 2 can be enabled to be cooled more rapidly.

Referring to fig. 1 and 2, two sets of second iron rings 5 are disposed between the top plate 3 and the base 1 through bearings, the outer walls of the two sets of second iron rings 5 are provided with large gears 10, the first iron ring 4 is disposed between the top plate 3 and the base 1 through bearings, the outer walls of the first iron rings 4 are provided with large gears 10, the three sets of large gears 10 are engaged and connected, and the first iron ring 4 and the second iron ring 5 can rotate through rotation of the large gears 10.

Referring to fig. 1 and 2, a pinion 9 is disposed on the outer wall of the rotating rod 7, and the pinion 9 is engaged with a set of large gears 10, and the large gears 10 can be driven to rotate by the pinion 9 through rotation of the rotating rod 7.

Referring to fig. 1 and 4, three sets of wire mounting cylinders 303 are disposed above the top plate 3, the outer walls of the three sets of wire mounting cylinders 303 are sequentially connected with a first sleeve 13, a second sleeve 17 and a third sleeve 21 through bearings, and a fan 22 is fixedly sleeved on the outer walls of the first sleeve 13, the second sleeve 17 and the third sleeve 21, so that the fan 22 can rotate through the rotation of the first sleeve 13, the second sleeve 17 and the third sleeve 21.

Referring to fig. 4, the driving assembly includes a first pulley 8, a second pulley 12, a third pulley 14, a fourth pulley 16, a fifth pulley 18 and a sixth pulley 20, wherein the first pulley 8 is fixedly disposed on the outer wall of the rotating rod 7, the second pulley 12 and the third pulley 14 are fixedly disposed on the outer wall of the first sleeve 13, the second pulley 12 is connected with the first pulley 8 through the first belt 11, the fourth pulley 16 and the fifth pulley 18 are fixedly sleeved on the outer wall of the second sleeve 17, the fourth pulley 16 is connected with the third pulley 14 through the second belt 15, the sixth pulley 20 is fixedly disposed on the outer wall of the third sleeve 21, the sixth pulley 20 is connected with the fifth pulley 18 through the third belt 19, and the driving assembly is configured such that the first sleeve 13, the second sleeve 17 and the third sleeve 21 are driven to rotate through the rotating rod 7 after the motor 6 is started.

Referring to fig. 1 and 3, a first inclined plate 401 is disposed inside the first iron ring 4, and the first inclined plate 401 is disposed in an inclined manner, so that when the first iron ring 4 rotates, the first inclined plate 401 can pump out the hot gas around the transformer 2.

Referring to fig. 1 and 3, a second inclined plate 501 is disposed inside the second iron ring 5, the second inclined plate 501 is disposed in an inclined manner, and the second inclined plate 501 is disposed in an opposite direction to the first inclined plate 401, so that when the second iron ring 5 rotates, the second inclined plate 501 can pump out the hot gas around the transformer 2.

The working principle of the utility model is as follows: when the dry-type transformer is used, firstly, the motor 6 is started, the pinion 9 fixedly arranged on the outer wall of the rotating rod 7 rotates through the rotating rod 7 fixedly arranged at the output end of the motor 6, the large gear 10 meshed with the pinion 9 rotates along with the rotation of the pinion 9, so that the first iron ring 4 and the second iron ring 5 rotate, the hotter gas around the transformer 2 moves through a plurality of groups of first inclined plates 401 arranged on the first iron ring 4 and second inclined plates 501 arranged on the second iron ring 5, hot gas can be discharged under the rotation of the first iron ring 4 and the second iron ring 5, meanwhile, the first belt pulley 8 fixedly arranged at the end part of the rotating rod 7 drives the second belt pulley 12 to rotate through the first belt 11 when the rotating rod 7 rotates, the second belt pulley 12 drives the first sleeve 13 to rotate on the outer wall of the wire mounting cylinder 303, simultaneously drive third belt pulley 14 and rotate, through the connection of second belt 15, can make fourth belt pulley 16 rotate, make second sleeve 17 rotate at electric wire installation section of thick bamboo 303 outer wall, make fifth belt pulley 18 rotate, through the connection of third belt 19, can make sixth belt pulley 20 drive third sleeve 21 and rotate at electric wire installation section of thick bamboo 303 outer wall, through the rotation of first sleeve 13, second sleeve 17 and third sleeve 21, can make the fan 22 that the outer wall was fixed to be set up rotate, then through the multiunit air inlet 302 that sets up on roof 3, can make fan 22 blow into the inside of first hoop 4 and second hoop 5 through air inlet 302, make the gas of transformer 2 outer wall in time obtain the change, make the transformer 2 more quick when refrigerating.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. A self-cooled dry transformer comprising a base (1), characterized in that: three groups of transformers (2) are fixedly arranged above the base (1), three groups of transformers (2) are fixedly provided with a top plate (3), three groups of fans (22) are arranged above the top plate (3), multiple groups of air inlets (302) are formed in the top plate (3) and are arranged right below the fans (22), two groups of transformers (2) are peripherally provided with second iron rings (5), the other group of transformers (2) are peripherally provided with first iron rings (4), one side of the base (1) is fixedly provided with a motor (6), the output end of the motor (6) is fixedly provided with a rotating rod (7), one side of the top plate (3) is provided with a mounting block (301), the inside of the mounting block (301) is connected with the rotating rod (7) through a bearing, the rotating rod (7) is movably connected with the second iron rings (5), one end of the rotating rod (7) is provided with a driving component, and the driving component is connected with the fans (22).

2. A self-cooling dry transformer as claimed in claim 1, wherein: two sets of second hoop (5) pass through the bearing setting between roof (3) and base (1), and two sets of second hoop (5) outer wall is provided with gear wheel (10), first hoop (4) pass through the bearing setting between roof (3) and base (1), and first hoop (4) outer wall is provided with gear wheel (10), three sets of meshing is connected between gear wheel (10).

3. A self-cooling dry transformer as claimed in claim 2, wherein: the outer wall of the rotating rod (7) is provided with a pinion (9), and the pinion (9) is connected with a group of large gears (10) in a meshed mode.

4. A self-cooling dry transformer as claimed in claim 1, wherein: three groups of wire installation barrels (303) are arranged above the top plate (3), the outer walls of the three groups of wire installation barrels (303) are sequentially connected with a first sleeve (13), a second sleeve (17) and a third sleeve (21) through bearings, and fans (22) are fixedly sleeved on the outer walls of the first sleeve (13), the second sleeve (17) and the third sleeve (21).

5. A self-cooling dry transformer as claimed in claim 4, wherein: the driving assembly comprises a first belt pulley (8), a second belt pulley (12), a third belt pulley (14), a fourth belt pulley (16), a fifth belt pulley (18) and a sixth belt pulley (20), wherein the first belt pulley (8) is fixedly arranged on the outer wall of a rotating rod (7), the second belt pulley (12) and the third belt pulley (14) are fixedly arranged on the outer wall of a first sleeve (13), the second belt pulley (12) is connected with the first belt pulley (8) through a first belt (11), the fourth belt pulley (16) and the fifth belt pulley (18) are fixedly sleeved on the outer wall of a second sleeve (17), the fourth belt pulley (16) is connected with the third belt pulley (14) through a second belt (15), the sixth belt pulley (20) is fixedly arranged on the outer wall of a third sleeve (21), and the sixth belt pulley (20) is connected with the fifth belt pulley (18) through a third belt (19).

6. A self-cooling dry transformer as claimed in claim 1, wherein: the first iron ring (4) is internally provided with a first inclined plate (401), and the first inclined plate (401) is obliquely arranged.

7. A self-cooling dry transformer as claimed in claim 6, wherein: the second iron ring (5) is internally provided with a second inclined plate (501), the second inclined plate (501) is obliquely arranged, and the second inclined plate (501) is arranged opposite to the first inclined plate (401) in the oblique direction.