CN113782299A

CN113782299A - Outdoor dry-type transformer

Info

Publication number: CN113782299A
Application number: CN202111330615.7A
Authority: CN
Inventors: 王宏官; 包正科; 周奇; 钱建东; 郭大鹏
Original assignee: Jiangsu New Special Transformer Technology Corp ltd
Current assignee: Jiangsu New Special Transformer Technology Corp ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2021-12-10
Anticipated expiration: 2041-11-11
Also published as: CN113782299B

Abstract

The invention belongs to the technical field of dry-type transformers, and particularly relates to an outdoor dry-type transformer which comprises a box body, wherein the ground is arranged below the box body, a frame part is arranged between the ground and the box body to support and assist in lifting of the box body, rain-proof protection parts are arranged on two sides inside the box body to prevent the dry-type transformer from being lifted in a rainstorm day, the inner space is reduced, the gravity center is lowered, ventilation and heat dissipation parts are arranged on two sides outside the box body to ventilate and dissipate heat and dehumidify air of the dry-type transformer, an overload protection part is arranged at one end inside the box body to protect the dry-type transformer from overload, a first rotating column is rotatably arranged at one end, far away from the overload protection part, of the box body, and a rotating door is fixedly arranged on the first rotating column. The invention can integrally raise the dry-type transformer in the storm weather and reduce the internal space of the dry-type transformer, thereby reducing the influence of the storm weather on the dry-type transformer, rapidly dehumidifying, dedusting and radiating the dry-type transformer when in work, and reducing the influence of moisture and dust on the normal work of the dry-type transformer.

Description

Outdoor dry-type transformer

Technical Field

The invention belongs to the technical field of dry-type transformers, and particularly relates to an outdoor dry-type transformer.

Background

Outdoor environment is changeable, and the condition such as the weather that blows to the wind is great to dry-type transformer's interference such as rain, influences dry-type transformer's normal operating easily, and dry-type transformer can appear very big degree lead to it to be infected with impurity such as dust when the heat dissipation uses, influences the influence that the use of transformer suffers from the dust, appears connecting the short circuit, the scheduling problem that opens a circuit, the potential safety hazard of transformer use appears. At present, the outdoor dry-type transformer cannot effectively protect the dry-type transformer in the storm weather, and the current cannot be continuously cut off in time when the dry-type transformer is overloaded.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an outdoor dry-type transformer with the functions of rain prevention, wind prevention, heat dissipation, dehumidification and overload protection.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an outdoor dry-type transformer, the power distribution box comprises a box body, the box below is equipped with ground, it supports and supplementary lift to be equipped with frame part between ground and the box, the inside both sides of box are equipped with rain-proof protection part and go up and down waterproofly to dry-type transformer torrential rain day, the inner space reduces, the focus descends, the outside both sides of box are equipped with the ventilation cooling part and dispel the heat to dry-type transformer ventilation, the air dehumidification, the inside one end of box is equipped with the overload protection part and carries out overload protection to dry-type transformer, the box is kept away from overload protection part one end and is rotated and be equipped with first rotation post, the door has set firmly on the first rotation post.

Preferably, the frame part includes the support column, and the support column is located ground upper end, and the support column is fixed at ground upper end, and fixed connection is equipped with fixed link pole between the support column, slides on the support column and is equipped with the backup pad, and the backup pad is at the box lower extreme.

Preferably, rain-proof protection part includes four first motors, four first motors are located inside ground, four first motors are that the end is equipped with four first screw thread posts admittedly, four first screw thread posts pass backup pad and box, four first screw thread posts rotate with the box screw thread and be connected, four first screw thread post upper ends have set firmly four and have driven the post, the box top is equipped with the top cap, the box upper end slides and is equipped with the flexible piece of support, support flexible piece and top cap fixed connection, the box both sides are rotated and are equipped with two first axis of rotation, two first axis of rotation are gone up and are set firmly two rotor plates, it is connected with first axis of rotation linkage to drive the post.

Preferably, a first gear is fixedly arranged on the outer circumferential surface of the first threaded column, four second threaded columns are arranged in the middle of the box body in a direction, the four second threaded columns are rotatably connected to the bottom surface of the box body, a second gear is fixedly arranged on the outer circumferential surfaces of the four second threaded columns, the first gear is in meshed connection with the second gear, two fixed blocks are fixedly arranged at the upper ends of the four second threaded columns, two rotating moving blocks are rotatably arranged on the outer circumferential surfaces of the four second threaded columns, two telescopic groups are fixedly arranged on the two fixed blocks and the two rotating moving blocks, each telescopic group comprises a plurality of rotating rods, a plurality of telescopic groups are rotatably arranged between the plurality of rotating rods, two fixed plates are fixedly arranged on the rotating rods, a bottom plate is arranged between the two fixed plates, two telescopic plates are slidably arranged on two sides of the bottom plate, and the two telescopic plates are in contact with the two fixed plates.

Preferably, the ventilation and heat dissipation part comprises two ventilation blocks, the two ventilation blocks are located on two sides outside the box body, two ventilation groups are arranged in the two ventilation blocks, each ventilation group comprises a first air inlet channel, the first air inlet channel is connected with the outside of the ventilation block, the first air inlet channel is provided with a water absorption ventilation plate in a sliding mode towards the inside direction of the box body, the upper end of the water absorption ventilation plate is fixedly provided with a sliding baffle, the sliding baffle is connected in the ventilation blocks in a sliding mode, the water absorption ventilation plate is far away from the direction of the first air inlet channel and is fixedly provided with a first air cavity, the first air cavity is far away from the direction of the water absorption ventilation plate and is fixedly provided with a second air inlet channel, and the second air inlet channel is far away from the first air cavity and is fixedly provided with a second air cavity.

Preferably, a second motor is fixedly arranged on the second air cavity in the direction away from the second air inlet channel, a first linkage column is fixedly arranged on the second motor in the direction towards the second air cavity, a rotating disc is fixedly arranged on the outer circumferential surface of the first linkage column, a plurality of activated carbon cavities are arranged in the rotating disc, a plurality of air inlets are connected between the activated carbon cavities and the second air cavity, a third air inlet channel is fixedly arranged on one side of the rotating disc away from the second air cavity, the activated carbon cavities are connected with the third air inlet channel and provided with air outlets, an air inlet valve is connected with the interior of the third air inlet channel and the box body, a second linkage column is rotatably arranged above the first linkage column, a fan is fixedly arranged on the outer circumferential surface of the second linkage column, a heat dissipation channel is arranged above the fan and is connected with the exterior of the ventilation block, and the heat dissipation channel is connected with the activated carbon cavities.

Preferably, the overload protection component comprises an overload protection block, the overload protection block is positioned on one end face, far away from the rotating door, in the box body, the end, far away from the rotating door, of the overload protection block is fixedly provided with a sliding block, the end, far away from the overload protection block, of the sliding block is fixedly provided with a protection block, the sliding block and the protection block are in sliding connection on the box body, a sealing pipe is fixedly arranged inside the sliding block and the protection block, the overload protection block is fixedly provided with a support bottom towards the inner direction of the box body, the upper end of the support bottom is provided with a dry-type transformer, the upper ends of the overload protection block and the dry-type transformer are provided with a high-temperature protection block, a high-temperature protection switch is arranged in the high-temperature protection block, a first coil cylinder is rotatably arranged in the overload protection block, a second coil cylinder is arranged below the first coil cylinder, the second coil cylinder is rotatably connected on the overload protection block, a power-off switch is connected between the first coil cylinder and the second coil cylinder, and two suction blocks are arranged in the power-off switch, two heating cavities are arranged on two sides of the suction block.

Has the advantages that:

1. through frame member and rain-proof protection part setting, carry out whole rising and the inner space reduces in stormy weather to dry-type transformer, reduce the stormy weather and influence the dry-type transformer.

2. Through the setting of ventilation cooling part, to the dehumidification dust removal heat dissipation that carries on that dry-type transformer during operation can be quick, reduce moisture and dust and influence dry-type transformer and normally work.

3. Through the arrangement of the overload protection component, the electric wire is cut off in time when the dry-type transformer is overloaded, and the dry-type transformer is prevented from being damaged by overload.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a schematic isometric view of the present invention.

Fig. 2 is a schematic structural view in front view of the present invention.

Fig. 3 is a schematic sectional view at a-a in fig. 2.

Fig. 4 is a schematic view of a portion of fig. 3 at D.

Fig. 5 is a schematic top view of the present invention.

Fig. 6 is a schematic cross-sectional view at B-B in fig. 5.

Fig. 7 is a schematic sectional view at C-C in fig. 5.

Fig. 8 is a schematic view of a portion at E in fig. 6.

Fig. 9 is a schematic view of a portion at F in fig. 7.

In the figure, a box 10, a frame member 11, a rain-proof protection member 12, a ventilation heat dissipation member 13, an overload protection member 14, a ground 15, a support column 16, a fixed connecting rod 17, a support plate 18, a first rotating column 19, a rotating door 20, a first motor 21, a first threaded column 22, a driving column 23, a first rotating shaft 24, a rotating plate 25, a top cover 26, a second threaded column 27, a first gear 28, a second gear 29, a fixed block 30, a rotating moving block 31, a telescopic set 32, a second rotating shaft 33, a rotating rod 34, a fixed plate 35, a bottom plate 36, a telescopic plate 37, a supporting telescopic block 38, a ventilation set 39, a first air inlet channel 40, a water-absorbing ventilation plate 41, a sliding baffle 42, a first air cavity 43, a second air inlet channel 44, a second air cavity 45, a second motor 46, a first linkage column 47, a rotating disk 48, an activated carbon cavity 49, an air inlet hole 50, an air outlet hole 51, a third air inlet channel 52, a ventilation channel 28, a ventilation channel, The air inlet valve 53, the second linkage post 54, the fan 55, the heat dissipation channel 56, the ventilation block 57, the sliding block 58, the protection block 59, the sealing pipe 60, the dry-type transformer 61, the support bottom 62, the overload protection block 63, the high-temperature protection block 64, the high-temperature protection switch 65, the first coil cylinder 66, the second coil cylinder 67, the power-off switch 68, the suction block 69 and the heating cavity 70.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Referring to fig. 1-9, an outdoor dry-type transformer includes a box 10, a ground 15 is disposed below the box 10, a frame member 11 is disposed between the ground 15 and the box 10 to support and assist in lifting the box 10, rain-proof protection members 12 are disposed on two sides inside the box 10 to prevent water from lifting the dry-type transformer in a rainstorm, the inner space is reduced, the center of gravity is lowered, ventilation and heat dissipation members 13 are disposed on two sides outside the box 10 to ventilate and dissipate heat and dehumidify air of the dry-type transformer, an overload protection member 14 is disposed at one end inside the box 10 to protect the dry-type transformer from overload, a first rotating column 19 is rotatably disposed at one end of the box 10 far away from the overload protection member 14, and a rotating door 20 is fixedly disposed on the first rotating column 19.

Further, referring to fig. 1-9, the frame member 11 includes support pillars 16, the support pillars 16 are located at the upper end of the ground 15, the support pillars 16 are fixed at the upper end of the ground 15, the support pillars 16 are fixedly connected to each other by fixed connecting rods 17, the support pillars 16 are slidably provided with support plates 18, and the support plates 18 are located at the lower end of the box 10.

Further, with reference to fig. 1 to 9, the rain protection component 12 includes four first motors 21, the four first motors 21 are located inside the ground 15, the four first motors 21 are provided with four first threaded posts 22 at their ends, the four first threaded posts 22 pass through the supporting plate 18 and the box 10, the four first threaded posts 22 are connected to the box 10 in a threaded manner, the four driving posts 23 are provided at the upper ends of the four first threaded posts 22, the top cover 26 is provided above the box 10, the upper end of the box 10 is slidably provided with a supporting telescopic block 38, the supporting telescopic block 38 is fixedly connected to the top cover 26, two first rotating shafts 24 are provided at two sides of the box 10 in a rotating manner, two rotating plates 25 are provided at the two first rotating shafts 24, and the driving posts 23 are linked to the first rotating shafts 24.

Further, referring to fig. 1-9, a first gear 28 is fixedly disposed on an outer circumferential surface of the first threaded column 22, four second threaded columns 27 are disposed on the four first threaded columns 22 toward a middle of the box 10, the four second threaded columns 27 are rotatably connected to a bottom surface of the box 10, second gears 29 are fixedly disposed on outer circumferential surfaces of the four second threaded columns 27, the first gear 28 is engaged with the second gears 29, two fixing blocks 30 are fixedly disposed on upper ends of the four second threaded columns 27, two movable rotating blocks 31 are rotatably disposed on outer circumferential surfaces of the four second threaded columns 27, two telescopic sets 32 are fixedly disposed on the two fixing blocks 30 and the two movable rotating blocks 31, each telescopic set 32 includes a plurality of rotating rods 34, a plurality of telescopic sets 32 are rotatably disposed between the plurality of rotating rods 34, two fixing plates 35 are fixedly disposed on the rotating rods 34, a bottom plate 36 is disposed between the two fixing plates 35, two telescopic plates 37 are slidably disposed on two sides of the bottom plate 36, the two telescopic plates 37 are in contact with the two fixed plates 35.

Further, with reference to fig. 1 to 9, the ventilation and heat dissipation component 13 includes two ventilation blocks 57, the two ventilation blocks 57 are located at two sides of the outside of the box 10, two ventilation groups 39 are disposed in the two ventilation blocks 57, each ventilation group 39 includes a first air inlet channel 40, the first air inlet channel 40 is externally connected to the ventilation block 57, the first air inlet channel 40 slides towards the inside of the box 10 to form a water-absorbing ventilation plate 41, a sliding baffle 42 is fixedly disposed at the upper end of the water-absorbing ventilation plate 41, the sliding baffle 42 slides in the ventilation block 57, the water-absorbing ventilation plate 41 is fixedly disposed with a first air cavity 43 away from the first air inlet channel 40, the first air cavity 43 is fixedly disposed with a second air inlet channel 44 away from the water-absorbing ventilation plate 41, and the second air inlet channel 44 is fixedly disposed with a second air cavity 45 away from the first air cavity 43.

Further, referring to fig. 1-9, a second motor 46 is fixedly disposed in a direction away from the second air inlet channel 44 of the second air chamber 45, a first linkage column 47 is fixedly disposed in the direction toward the second air chamber 45 of the second motor 46, a rotary disc 48 is fixedly disposed on an outer circumferential surface of the first linkage column 47, a plurality of activated carbon cavities 49 are disposed in the rotary disc 48, a plurality of air inlets 50 are connected between the activated carbon cavities 49 and the second air chamber 45, a third air inlet channel 52 is fixedly disposed on a side of the rotary disc 48 away from the second air chamber 45, an air outlet 51 is connected between the activated carbon cavities 49 and the third air inlet channel 52, an air inlet valve 53 is connected between the third air inlet channel 52 and the inside of the box 10, a second linkage column 54 is rotatably disposed above the first linkage column 47, a fan 55 is fixedly disposed on an outer circumferential surface of the second linkage column 54, a heat dissipation channel 56 is disposed above the fan 55, the heat dissipation channel 56 is connected with an outer portion of the ventilation block 57, and the heat dissipation channel 56 is connected with the activated carbon cavities 49.

Further, referring to fig. 1-9, the overload protection component 14 includes an overload protection block 63, the overload protection block 63 is located on an end surface of the inside of the box 10 away from the rotating door 20, a sliding block 58 is fixedly disposed on an end of the overload protection block 63 away from the rotating door 20, a protection block 59 is fixedly disposed on an end of the sliding block 58 away from the overload protection block 63, the sliding block 58 and the protection block 59 are slidably connected on the box 10, a sealing tube 60 is fixedly disposed inside the sliding block 58 and the protection block 59, a supporting bottom 62 is fixedly disposed on the overload protection block 63 toward the inside of the box 10, a dry transformer 61 is disposed on an upper end of the supporting bottom 62, a high temperature protection block 64 is disposed on upper ends of the overload protection block 63 and the dry transformer 61, a high temperature protection switch 65 is disposed in the high temperature protection block 64, a first coil cylinder 66 is rotatably disposed on the overload protection block 63, a second coil cylinder 67 is disposed below the first coil cylinder 66, the second coil cylinder 67 is rotatably connected on the overload protection block 63, a power-off switch 68 is connected between the first coil drum 66 and the second coil drum 67, two suction blocks 69 are arranged in the power-off switch 68, and two heating cavities 70 are arranged on two sides of each suction block 69.

Principle of operation

When the outdoor dry-type transformer operates normally, air outside the box body 10 passes through the water absorption vent plate 41 through the first air inlet channel 40, the water absorption vent plate 41 removes moisture in the air, the air enters the first air cavity 43 and is blocked in the first air cavity 43, the air enters the second air cavity 45 through the second air inlet channel 44 to remove dust for the second time, the air enters the activated carbon cavity 49 through the air inlet 50 to remove moisture for the second time, the air conducts ventilation and heat dissipation on the dry-type transformer 61 through the third air inlet channel 52 and the air inlet valve 53, the ventilation groups 39 on two sides form air convection, the second motor 46 is started to drive the first linkage column 47 to rotate, the first linkage column 47 rotates to drive the rotating disc 48 to rotate, the first linkage column 47 rotates to drive the second linkage column 54 to rotate, the second linkage column 54 rotates to drive the fan 55 to rotate to drive hot air generated by the dry-type transformer 61 to pass through the activated carbon cavity 49, the activated carbon chamber 49 is reactivated and the hot air is exhausted out of the housing 10 through the heat dissipation duct 56.

When the dry type transformer 61 is overloaded, the dry type transformer 61 produces vibration to vibrate the high temperature protection switch 65 to disconnect the electric wire, when the dry type transformer 61 moves, the electric wire is lengthened through the first coil cylinder 66, the damage of the electric wire due to pulling is reduced, the external electric wire is connected to the second coil cylinder 67 through the sealing tube 60 and then connected to the first coil cylinder 66 through the power-off switch 68, the first coil cylinder 66 is finally connected to the dry type transformer 61 through the high temperature protection switch 65, the external electric wire can rotate through the second coil cylinder 67 to stretch the electric wire, when the external current is too large, the two suction blocks 69 are connected to generate high temperature to heat the heating cavity 70, and the gas expands to push the power-off switch 68 to disconnect the electric wire to protect the dry type transformer 61.

In stormy weather, the sliding block 58 slides downwards in the box 10 to drive the dry-type transformer 61 to slide downwards, so that the gravity center in the box 10 descends, the four first motors 21 are started to rotate through the first threaded posts 22 to drive the supporting plate 18 and the box 10 to ascend, the box 10 ascends to drive the posts 23 to slide downwards to drive the first rotating shafts 24 to rotate, the first rotating shafts 24 rotate to drive the rotating plates 25 to rotate, the rotating plates 25 rotate to support the telescopic blocks 38 to drive the top cover 26 to slide downwards, the box 10 has a smaller volume, the first threaded posts 22 rotate to drive the first gear 28 to rotate, the first gear 28 rotates to drive the second gear 29 to rotate, the second gear 29 rotates to drive the second threaded posts 27 to rotate, the second threaded posts 27 rotate to drive the rotating moving block 31 to move upwards, the rotating moving block 31 moves upwards to drive the fixing plate 35 to move towards the middle of the box 10 through the plurality of rotating rods 34 and the plurality of second rotating shafts 33, the fixing plate 35 extrudes the expansion plate 37 to slide on the bottom plate 36, the bottom plate 36 moves upwards, the space inside the box body 10 is reduced, the dry-type transformer 61 is further protected from water, and the damage of storm wind is reduced.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An outdoor dry-type transformer comprises a box body (10), and is characterized in that the ground (15) is arranged below the box body (10), a frame component (11) is arranged between the ground (15) and the box body (10) to support and assist in lifting the box body (10), rain-proof protection components (12) are arranged at two sides in the box body (10) to prevent the dry-type transformer from rising and falling in a rainstorm day, the internal space is reduced, the gravity center is lowered, the two sides of the outer part of the box body (10) are provided with ventilation and heat dissipation components (13) for ventilation and heat dissipation and air dehumidification of the dry-type transformer, an overload protection component (14) is arranged at one end inside the box body (10) to carry out overload protection on the dry type transformer, one end, far away from the overload protection component (14), of the box body (10) is rotatably provided with a first rotating column (19), and a rotating door (20) is fixedly arranged on the first rotating column (19).

2. An outdoor dry-type transformer according to claim 1, wherein: frame part (11) are including support column (16), support column (16) are located ground (15) upper end, support column (16) are fixed in ground (15) upper end, fixed connection is equipped with fixed connection pole (17) between support column (16), it is equipped with backup pad (18) to slide on support column (16), backup pad (18) are at box (10) lower extreme.

3. An outdoor dry-type transformer according to claim 2, wherein: the rainproof protection component (12) comprises four first motors (21), the four first motors (21) are located inside a ground (15), the four first motors (21) are fixedly provided with four first threaded columns (22), the four first threaded columns (22) penetrate through a supporting plate (18) and a box body (10), the four first threaded columns (22) are in threaded rotary connection with the box body (10), the four driving columns (23) are fixedly arranged at the upper ends of the four first threaded columns (22), a top cover (26) is arranged above the box body (10), a supporting telescopic block (38) is slidably arranged at the upper end of the box body (10), the supporting telescopic block (38) is fixedly connected with the top cover (26), two first rotating shafts (24) are rotatably arranged on two sides of the box body (10), and two rotating plates (25) are fixedly arranged on the two first rotating shafts (24), the driving column (23) is connected with the first rotating shaft (24) in a linkage manner.

4. An outdoor dry-type transformer according to claim 3, wherein: the outer periphery of the first threaded column (22) is fixedly provided with a first gear (28), the four first threaded columns (22) are provided with four second threaded columns (27) towards the middle of the box body (10), the four second threaded columns (27) are rotatably connected with the bottom surface of the box body (10), the outer periphery of the four second threaded columns (27) is fixedly provided with a second gear (29), the first gear (28) is meshed with the second gear (29) and is connected with the second gear (29), the upper ends of the four second threaded columns (27) are fixedly provided with two fixed blocks (30), the outer periphery of the four second threaded columns (27) is rotatably provided with two rotating movable blocks (31), the two fixed blocks (30) and the two rotating movable blocks (31) are fixedly provided with two telescopic groups (32), each telescopic group (32) comprises a plurality of rotating rods (34), and a plurality of telescopic groups (32) are rotatably arranged among the plurality of rotating rods (34), set firmly two fixed plates (35) on dwang (34), be equipped with bottom plate (36) between two fixed plates (35), bottom plate (36) both sides slide and are equipped with two expansion plates (37), two expansion plates (37) and two fixed plate (35) contact.

5. An outdoor dry transformer according to claim 4, wherein: the ventilation and heat dissipation part (13) comprises two ventilation blocks (57), the two ventilation blocks (57) are located on two sides of the outer portion of the box body (10), two ventilation groups (39) are arranged in the two ventilation blocks (57), each ventilation group (39) comprises a first air inlet channel (40), the first air inlet channel (40) is connected with the outer portion of the ventilation block (57), a water absorption ventilation plate (41) is arranged in the first air inlet channel (40) in a sliding mode towards the inner portion of the box body (10), a sliding baffle (42) is fixedly arranged at the upper end of the water absorption ventilation plate (41), the sliding baffle (42) is connected in the ventilation blocks (57) in a sliding mode, a first air cavity (43) is fixedly arranged in the direction of the water absorption ventilation plate (41) away from the first air inlet channel (40), and a second air inlet channel (44) is fixedly arranged in the first air cavity (43) away from the water absorption ventilation plate (41), and a second air cavity (45) is fixedly arranged on the second air inlet channel (44) far away from the first air cavity (43).

6. An outdoor dry-type transformer according to claim 5, wherein: the second motor (46) is fixedly arranged on the second air cavity (45) far away from the second air inlet channel (44), the first linkage column (47) is fixedly arranged on the second motor (46) towards the second air cavity (45), the rotary disc (48) is fixedly arranged on the outer circumferential surface of the first linkage column (47), a plurality of activated carbon cavities (49) are arranged in the rotary disc (48), a plurality of air inlet holes (50) are connected between the activated carbon cavities (49) and the second air cavity (45), a third air inlet channel (52) is fixedly arranged on one side, far away from the second air cavity (45), of the rotary disc (48), the activated carbon cavities (49) are connected with the third air inlet channel (52) to form air outlet holes (51), an air inlet valve (53) is arranged on the third air inlet channel (52) and the box body (10), and a second linkage column (54) is rotatably arranged above the first linkage column (47), the fan (55) is fixedly arranged on the outer circumferential surface of the second linkage column (54), a heat dissipation channel (56) is arranged above the fan (55), the heat dissipation channel (56) is externally connected with the ventilation block (57), and the heat dissipation channel (56) is connected with the activated carbon cavity (49).

7. An outdoor dry-type transformer according to claim 6, wherein: the overload protection component (14) comprises an overload protection block (63), the overload protection block (63) is located inside the box body (10) and is far away from one end face of the rotating door (20), one end, far away from the rotating door (20), of the overload protection block (63) is provided with a sliding block (58), one end, far away from the overload protection block (63), of the sliding block (58) is provided with a protection block (59), the sliding block (58) and the protection block (59) are in sliding connection on the box body (10), the sliding block (58) and the protection block (59) are internally provided with a sealing pipe (60), the overload protection block (63) is provided with a support bottom (62) towards the inside direction of the box body (10), the upper end of the support bottom (62) is provided with a dry-type transformer (61), the upper ends of the overload protection block (63) and the dry-type transformer (61) are provided with a high-temperature protection block (64), and a high-temperature protection switch (65) is arranged in the high-temperature protection block (64), overload protection piece (63) internal rotation is equipped with first coil section of thick bamboo (66), first coil section of thick bamboo (66) below is equipped with second coil section of thick bamboo (67), second coil section of thick bamboo (67) rotate to be connected on overload protection piece (63), it is equipped with power switch (68) to be connected between first coil section of thick bamboo (66) and second coil section of thick bamboo (67), power switch (68) inside is equipped with two and inhales piece (69), it is equipped with two heating chambers (70) to inhale piece (69) both sides.