CN215815495U

CN215815495U - Environment-friendly heat dissipation device for dry-type power transformer

Info

Publication number: CN215815495U
Application number: CN202120613676.3U
Authority: CN
Inventors: 李楠
Original assignee: Jiangsu Haobang Transformer Co ltd
Current assignee: Jiangsu Haobang Transformer Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2022-02-11
Anticipated expiration: 2031-03-25

Abstract

The utility model discloses an environment-friendly heat dissipation device for a dry-type power transformer, which belongs to the technical field of transformer heat dissipation and comprises a shell, wherein heat dissipation fins are arranged on one side of the shell, a transformer body is arranged in the shell, heat dissipation devices are arranged at two ends of the inner side wall of the shell, a gas outlet device is arranged below the interior of the shell, an air suction port is arranged at the lower end of the gas outlet device, a water tank is arranged below the shell, and a gas suction device is arranged above the interior of the shell; according to the utility model, through the mutual matching of the air inlet pipe, the driving motor, the condenser, the lead screw, the water tank, the water changing port, the internal thread, the small fan and the moving block, the air sucked from the water tank by the air suction port is cooled by the condenser, so that the heat exchange of hot air in the shell is facilitated, the effect of rapid cooling is achieved, the service life of internal components is prolonged, and the heat dissipation efficiency is also improved.

Description

Environment-friendly heat dissipation device for dry-type power transformer

Technical Field

The utility model belongs to the technical field of transformer heat dissipation, and particularly relates to an environment-friendly heat dissipation device for a dry-type power transformer.

Background

The iron core of the dry-type power transformer adopts high-magnetic-permeability high-quality grain-oriented cold-rolled silicon steel sheets, 45-degree fully-inclined stepping joints, the iron core adopts a special square tube pulling plate structure, the core column is bound by an insulating tape, the surface of the iron core is coated by special resin to prevent moisture and rust, and the no-load loss, the no-load current and the noise of the iron core are effectively reduced.

Chinese patent application No. CN202020112085.3 discloses an efficient heat dissipation device for a dry-type power transformer, which is characterized in that in summer, the temperature of air sucked at an air suction inlet of an air blower is relatively high, and the heat dissipation speed in a housing is relatively low; in addition, in rainy days, rainwater is mixed in gaps of the radiating fins, so that internal components are affected.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an environment-friendly heat dissipation device for a dry-type power transformer, which has the characteristics of accelerating the heat dissipation speed and prolonging the service life.

In order to achieve the purpose, the utility model provides the following technical scheme: an environment-friendly heat dissipation device for a dry-type power transformer comprises a shell, wherein one side of the shell is provided with heat dissipation fins, the transformer body is arranged in the shell, the two ends of the inner side wall of the shell are provided with heat dissipation devices, an air outlet device is arranged at the lower part in the shell, an air suction port is arranged at the lower end of the air outlet device, a water tank is arranged below the shell, an air suction device is arranged above the inner part of the shell, an air outlet pipe is arranged at one end of the air suction device, an air inlet pipe is arranged at one end of the air outlet pipe, which is far away from the air suction device, and is positioned in the water tank, a condenser is arranged at one end of the inner side wall of the water tank, a driving motor is arranged in the middle of the inner side wall of the water tank, a screw rod is arranged at the output end of the driving motor, and a moving block is sleeved on the periphery of the lead screw, and a small fan is arranged on one side inside the moving block.

Preferably, the inside wall of water tank and the one end of keeping away from driving motor are provided with and trade the mouth of a river, the inside of trading the mouth of a river is provided with the rubber buffer.

Preferably, an internal thread is arranged in the moving block and at a position corresponding to the lead screw, and the moving block and the lead screw are in meshed connection through the thread.

Preferably, one side of the upper portion of each radiating fin is provided with a rain cover, the upper end of each rain cover is provided with a connecting cross rod II, the lower end of each rain cover is provided with a connecting cross rod I, and the periphery of the lower portion of each radiating fin is provided with a rain blocking frame.

Preferably, rain-proof cover and be provided with fixing device between connecting the horizontal pole two, fixing device includes stopper, connecting block, spacing spring, gag lever post and spacing groove, the one end of rain-proof cover is provided with the connecting block, the inside of connecting horizontal pole two and the periphery that corresponds the connecting block are provided with the stopper, both ends all are provided with the gag lever post between stopper and the connecting block, the spacing spring has all been cup jointed on the periphery of gag lever post and the inside wall that is located the stopper, the position that the connecting block corresponds the gag lever post is provided with the spacing groove, connect the connected mode between horizontal pole one and the rain-proof cover and be connected the horizontal pole two and the connected mode between the rain-proof cover the same.

Preferably, the fixing device further comprises a push-pull block, the end, far away from the connecting block, of the limiting rod is provided with the push-pull block, and the outer side wall of the push-pull block is provided with anti-skidding threads.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the mutual matching of the air inlet pipe, the driving motor, the condenser, the lead screw, the water tank, the water changing port, the internal thread, the small fan and the moving block, the air sucked from the water tank by the air suction port is cooled by the condenser, so that the heat exchange of hot air in the shell is facilitated, the effect of rapid cooling is achieved, the service life of internal components is prolonged, and the heat dissipation efficiency is also improved.

2. According to the utility model, the heat radiation fins are protected in a rainy and snowy day through the mutual matching of the rain blocking frame, the rain cover, the first connecting cross rod, the second connecting cross rod, the limiting block, the push-pull block, the connecting block, the limiting spring, the limiting rod and the limiting groove, rain and snow are prevented from entering the shell from gaps, components are protected from being damaged, and the service life is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the housing of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 4 is a side cross-sectional view of the rain shield and rain blocking frame of the present invention;

FIG. 5 is an enlarged view taken at B of FIG. 4 in accordance with the present invention;

FIG. 6 is a front sectional view showing the connection state of the limiting block and the connecting block according to the present invention.

In the figure: 1. a housing; 2. an air inlet pipe; 3. a drive motor; 4. a condenser; 5. a screw rod; 6. an air suction port; 7. a water tank; 8. changing a water gap; 9. an air outlet device; 10. a heat sink; 11. a transformer body; 12. a suction device; 13. an air outlet pipe; 14. a heat dissipating fin; 15. a rain blocking frame; 16. a rain cover; 17. an internal thread; 18. a small fan; 19. a moving block; 20. connecting a first cross rod; 21. connecting a second cross rod; 22. a fixing device; 221. a limiting block; 222. a push-pull block; 223. connecting blocks; 224. a limiting spring; 225. a limiting rod; 226. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides an environmental protection heat abstractor for dry-type power transformer, which comprises a housin 1, one side of casing 1 is provided with radiating fin 14, the inside of casing 1 is provided with transformer body 11, casing 1's inside wall both ends are provided with heat abstractor 10, casing 1's inside below is provided with air outlet means 9, air outlet means 9's lower extreme is provided with induction port 6, casing 1's below is provided with water tank 7, casing 1's inside top is provided with getter device 12, getter device 12's one end is provided with outlet duct 13, outlet duct 13 keeps away from the one end of getter device 12 and is located the inside of water tank 7 and is provided with intake pipe 2, the inside wall one end of water tank 7 is provided with condenser 4, be provided with driving motor 3 in the middle of water tank 7's the inside wall, driving motor 3's output is provided with lead screw 5, movable block 19 has been cup jointed to the periphery of lead screw 5, inside one side of movable block 19 is provided with small-size fan 18.

Specifically, one end of the inner side wall of the water tank 7, which is far away from the driving motor 3, is provided with a water changing port 8, a rubber plug is arranged inside the water changing port 8,

through adopting above-mentioned technical scheme, trade mouth of a river 8 and be convenient for change the water in the water tank 7.

Specifically, the inner part of the moving block 19 and the position corresponding to the lead screw 5 are provided with internal threads 17, the moving block 19 and the lead screw 5 are connected by thread meshing,

by adopting the technical scheme, the moving block 19 and the lead screw 5 can move conveniently through threaded engagement connection.

Specifically, a rain cover 16 is arranged on one side above the radiating fins 14, a connecting cross bar II 21 is arranged at the upper end of the rain cover 16, a connecting cross bar I20 is arranged at the lower end of the rain cover 16, a rain blocking frame 15 is arranged on the periphery below the radiating fins 14,

through adopting above-mentioned technical scheme, rain-proof cover 16 blocks sleet, avoids entering into the inside of casing 1 from radiating fin 14's gap, blocks rain frame 15 and blocks radiating fin 14's below.

Specifically, a fixing device 22 is arranged between the rain cover 16 and the second connecting cross rod 21, the fixing device 22 comprises a limiting block 221, a connecting block 223, a limiting spring 224, a limiting rod 225 and a limiting groove 226, the connecting block 223 is arranged at one end of the rain cover 16, the limiting block 221 is arranged inside the second connecting cross rod 21 and corresponding to the periphery of the connecting block 223, the limiting rods 225 are arranged at two ends between the limiting block 221 and the connecting block 223, the limiting spring 224 is sleeved on the periphery of the limiting rod 225 and positioned on the inner side wall of the limiting block 221, the limiting groove 226 is arranged at the position of the connecting block 223 corresponding to the limiting rod 225, the connection mode between the first connecting cross rod 20 and the rain cover 16 is the same as the connection mode between the second connecting cross rod 21 and the rain cover 16,

through adopting above-mentioned technical scheme, carry on spacingly through gag lever post 225 to connecting block 223 under spacing spring 224's elasticity to fix rain-proof cover 16.

Specifically, the fixing device 22 further comprises a push-pull block 222, one end of the limiting rod 225 far away from the connecting block 223 is provided with the push-pull block 222, the outer side wall of the push-pull block 222 is provided with an anti-skid thread,

by adopting the technical scheme, the push-pull block 222 is convenient for pushing and pulling the limiting rod 225. The working principle of the shell 1, the air outlet device 9, the heat dissipation device 10, the transformer body 11, the air suction device 12 and the heat dissipation fins 14 of the environment-friendly heat dissipation device for the dry-type power transformer and the environment-friendly heat dissipation device for the dry-type power transformer disclosed by the Chinese patent application No. CN202020112085.3 is disclosed in the high-efficiency heat dissipation device for the dry-type power transformer.

The working principle and the using process of the utility model are as follows: when the shell 1 needs to be cooled, firstly, hot air in the shell 1 enters the water tank 7 from the air inlet pipe 2 through the air suction device 12, the temperature of the hot air is reduced by water in the water tank 7 under the action of the condenser 4, then, the driving motor 3 is started to drive the screw rod 5 to rotate, the moving block 19 is driven to move, the air in the water tank 7 is uniformly cooled in an accelerated manner, then, the air outlet device 9 sucks cold air into the shell 1 through the air suction port 6, and the shell 1 is cooled repeatedly in a circulating manner, so that the effect of quickly cooling is achieved, the service life of internal components is prolonged, and the cooling efficiency is also improved;

in addition, when sleet day, protect radiating fin 14 through rain-proof cover 16 with hinder rain frame 15, avoid sleet to get into inside the casing 1 from the gap, when rain-proof cover 16 needs to be changed, through the push-and-pull piece 222 of pulling both sides, drive the gag lever post 225 and remove, make spacing spring 224 compression to take rain-proof cover 16 to shift out connecting block 223, thereby change, convenient operation, and protected components and parts not damaged, prolonged life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environmental protection heat abstractor for dry-type power transformer, includes casing (1), its characterized in that: one side of the shell (1) is provided with radiating fins (14), a transformer body (11) is arranged inside the shell (1), radiating devices (10) are arranged at two ends of the inner side wall of the shell (1), an air outlet device (9) is arranged below the inside of the shell (1), an air suction port (6) is arranged at the lower end of the air outlet device (9), a water tank (7) is arranged below the shell (1), an air suction device (12) is arranged above the inside of the shell (1), an air outlet pipe (13) is arranged at one end of the air suction device (12), an air inlet pipe (2) is arranged at one end, far away from the air suction device (12), of the air outlet pipe (13) and is positioned inside the water tank (7), a condenser (4) is arranged at one end of the inner side wall of the water tank (7), and a driving motor (3) is arranged in the middle of the inner side wall of the water tank (7), the output end of the driving motor (3) is provided with a lead screw (5), the periphery of the lead screw (5) is sleeved with a moving block (19), and one side of the inside of the moving block (19) is provided with a small fan (18).

2. The environment-friendly heat dissipation device for the dry power transformer as recited in claim 1, wherein: the inside wall of water tank (7) and the one end of keeping away from driving motor (3) are provided with and trade mouth of a river (8), the inside of trading mouth of a river (8) is provided with the rubber buffer.

3. The environment-friendly heat dissipation device for the dry power transformer as recited in claim 1, wherein: an internal thread (17) is arranged in the moving block (19) and at a position corresponding to the lead screw (5), and the moving block (19) is in threaded engagement with the lead screw (5).

4. The environment-friendly heat dissipation device for the dry power transformer as recited in claim 1, wherein: rain cover (16) is arranged on one side of the upper portion of the radiating fins (14), a connecting cross rod II (21) is arranged at the upper end of the rain cover (16), a connecting cross rod I (20) is arranged at the lower end of the rain cover (16), and a rain blocking frame (15) is arranged on the periphery of the lower portion of the radiating fins (14).

5. The environment-friendly heat dissipation device for the dry power transformer as recited in claim 4, wherein: a fixing device (22) is arranged between the rain cover (16) and the second connecting cross rod (21), the fixing device (22) comprises a limiting block (221), a connecting block (223), a limiting spring (224), a limiting rod (225) and a limiting groove (226), one end of the rain cover (16) is provided with a connecting block (223), the inside of the connecting cross rod II (21) and the periphery corresponding to the connecting block (223) are provided with a limiting block (221), limiting rods (225) are arranged at two ends between the limiting block (221) and the connecting block (223), the periphery of the limiting rod (225) and the inner side wall of the limiting block (221) are sleeved with limiting springs (224), a limiting groove (226) is arranged at the position of the connecting block (223) corresponding to the limiting rod (225), the connection mode between the first connecting cross rod (20) and the rain cover (16) is the same as that between the second connecting cross rod (21) and the rain cover (16).

6. The environment-friendly heat dissipation device for the dry power transformer as recited in claim 5, wherein: the fixing device (22) further comprises a push-pull block (222), the end, away from the connecting block (223), of the limiting rod (225) is provided with the push-pull block (222), and the outer side wall of the push-pull block (222) is provided with anti-skidding threads.