阅读说明：本技术 一种水流幕墙式防尘降温变压器 (Water flow curtain wall type dustproof cooling transformer ) 是由 吴爱国 于 2021-09-13 设计创作，主要内容包括：本发明公开了一种水流幕墙式防尘降温变压器,属于变压器技术领域,本装置通过推动固定把手带动着膨胀球囊穿过橡胶封片与水溶液相接触,再启动循环水泵,使水溶液进行内循环流动,当变压器因长时间运作产生大量热量时,固定套管内的导热液在变压器的一端吸热蒸发,变成气体,在压力差的作用下到达膨胀球囊的一端液化放出热量,再凝结变成液体流回变压器的一端,如此往返,加强了散热效果,而导热液将热量传递至膨胀球囊一端时,膨胀球囊由于吸热膨胀,致使其表面的隔膜产生分离,由与水溶液持续的对变压器内部产生的热量持续冲刷进行散热,致使与此时的硝酸钾粉末相互接触,从而对变压器持续进行散热。(The invention discloses a water flow curtain wall type dustproof cooling transformer, belonging to the technical field of transformers, the device drives an expansion balloon to pass through a rubber sealing sheet to be contacted with an aqueous solution by pushing a fixed handle, then a circulating water pump is started to enable the aqueous solution to flow in an internal circulation manner, when the transformer generates a large amount of heat due to long-time operation, heat-conducting liquid in a fixed sleeve absorbs heat and evaporates at one end of the transformer to become gas, the gas reaches one end of the expansion balloon under the action of pressure difference to be liquefied to release heat, then is condensed to become liquid and flows back to one end of the transformer, the reciprocating is carried out to enhance the heat dissipation effect, when the heat-conducting liquid transfers the heat to one end of the expansion balloon, the expansion balloon separates a diaphragm on the surface due to heat absorption and expansion, the heat generated in the transformer by continuous washing with the aqueous solution is used for heat dissipation, so that the expansion is contacted with potassium nitrate powder at the moment, thereby continuously dissipating heat from the transformer.)

1. The utility model provides a dustproof cooling transformer of rivers curtain, includes transformer (1), its characterized in that: comprises a transformer (1), the outer end of the transformer (1) is fixedly connected with a cooling shell (2), the inner wall of the cooling shell (2) is filled with a water solution (3), the upper end of the cooling shell (2) is provided with a circulating water pump (4), the outer end of the transformer (1) is fixedly connected with two symmetrical fixed sleeves (5), a sliding block (6) is slidably connected between the inner walls of the fixed sleeves (5), the upper end of the sliding block (6) is fixedly connected with a fixed handle (7), the right end of the sliding block (6) is provided with a groove (8), the fixed sleeves (5) are filled with a heat-conducting liquid (9), the inner wall of the fixed sleeve (5) is fixedly connected with a contraction baffle (10), the other end of the contraction baffle (10) is fixedly connected with the fixed handle (7), and the heat-conducting liquid (9) is positioned at the lower side of the contraction baffle (10), the sliding block (6) is close to one end fixedly connected with expansion sacculus (11) of cooling shell (2), the intussuseption of expansion sacculus (11) is filled with potassium nitrate powder (12), expansion sacculus (11) outer end inlays and is equipped with diaphragm (13), cooling shell (2) outer end is rotated and is connected with closure member (14), a plurality of evenly distributed's bleeder vent (15) have all been dug to closure member (14) and cooling shell (2) outer end, fixedly connected with filter screen (16) between bleeder vent (15) inner wall, cooling shell (2) inner wall is rotated and is connected with two rubber mounting (25) of mutual contact, rubber mounting (25) are corresponding with expansion sacculus (11), be equipped with dust keeper in bleeder vent (15), dust keeper includes top end fixed connection's stretch cord (17) in bleeder vent (15), stretch cord (17) lower extreme fixedly connected with adsorbs sacculus (18), adsorb sacculus (18) outer end and cut two symmetrical through-hole (19), fixedly connected with dust absorption film (20) between through-hole (19) inner wall, be equipped with movable ball (21) in adsorbing sacculus (18), a plurality of evenly distributed's of movable ball (21) outer end fixedly connected with friction line (22).

2. The water flow curtain wall type dustproof cooling transformer of claim 1, which is characterized in that: the fixing device is characterized in that the upper end of the fixing sleeve (5) is fixedly connected with a fixing block (23), a limiting bolt (24) is inserted into the outer end of the limiting bolt (24), and the limiting bolt (24) is in threaded connection with the fixing block (23).

3. The water flow curtain wall type dustproof cooling transformer of claim 1, which is characterized in that: the inner wall of the fixed sleeve (5) is provided with two symmetrical rectangular grooves, the rectangular grooves are rotationally connected with balls, and the balls are in contact with the sliding blocks (6).

4. The water flow curtain wall type dustproof cooling transformer of claim 1, which is characterized in that: the outer end of the cooling shell (2) is rotatably connected with a limiting buckle, and the limiting buckle is located on the upper side of the closing part (14).

5. The water flow curtain wall type dustproof cooling transformer of claim 1, which is characterized in that: the outer end of the dust absorption film (20) is provided with a plurality of air-permeable micropores which are uniformly distributed.

6. The water flow curtain wall type dustproof cooling transformer of claim 1, which is characterized in that: the adsorption balloon (18) is made of rubber materials, and the interior of the adsorption balloon is hollow.

7. The water flow curtain wall type dustproof cooling transformer of claim 1, which is characterized in that: the friction wire (22) is made of a microfiber material.

8. The water flow curtain wall type dustproof cooling transformer of claim 1, which is characterized in that: the filter screen (16) is made of stainless steel materials, and the surface of the filter screen is coated with anti-rust paint.

Technical Field

The invention relates to the technical field of transformers, in particular to a water flow curtain wall type dustproof cooling transformer.

Background

The transformer is a static electrical equipment for transforming alternating voltage and current to transmit alternating current energy, and realizes the transmission of the electric energy according to the principle of electromagnetic induction, and the transformer can be divided into a power transformer, a test transformer, an instrument transformer and a transformer with special purposes according to the purposes: the power transformer is necessary equipment for power transmission and distribution and power consumer distribution; the device is used for carrying out voltage withstand (boosting) test on electrical equipment by the test transformer; the instrument transformer is used for electrical measurement and relay protection (PT, CT) of a power distribution system; the transformer for special purposes comprises a furnace transformer for smelting, an electric welding transformer, a rectifier transformer for electrolysis, a small-sized regulating transformer and the like.

At present, in the use process of a transformer, the transformer is divided into a dry type transformer and an oil immersed type transformer, the two types of transformers are exposed in the air, a magnetic field can be generated when the transformer works, and then dust in the air is attracted to be accumulated on the surface of the transformer, so that great harm is caused to high and low voltage sleeves needing to be kept in a clean state, the dust is attached to the high and low voltage sleeves, heat dissipation of the high and low voltage sleeves is inconvenient, electric arcs are easily generated, electric power accidents are caused, and great harm is caused to the society.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a water flow curtain wall type dustproof cooling transformer which can realize that when the transformer works, a fixed handle is pushed to drive an expansion balloon to penetrate through a rubber sealing sheet, so that the expansion balloon is positioned in a cooling shell and is contacted with an aqueous solution, a contraction baffle plate is driven by the movement of the fixed handle to extend, a circulating water pump is started again at the moment to enable the aqueous solution to circularly flow in the cooling shell, when the transformer generates a large amount of heat due to long-time operation, heat conducting liquid in a fixed sleeve absorbs heat and evaporates at one end of the transformer to become gas, the heat conducting liquid reaches one end of the expansion balloon under the action of pressure difference to be liquefied and discharged, the heat conducting liquid is condensed to flow back to one end of the transformer, the reciprocating is carried out to enhance the heat dissipation effect, and when the heat conducting liquid transfers the heat to one end of the expansion balloon, the inflation sacculus is because the heat absorption inflation, causes the diaphragm on its surface to produce the separation, and the water solution is because the flow effect of perpendicular downflow similar water curtain wall, and the heat that lasts to the inside production of transformer is continuously washed away and is dispelled the heat to with the potassium nitrate powder contact each other, the potassium nitrate powder is driven at the flow of cooling shell inner wall because of the characteristic of dissolving in water solution by water solution, continuously dispels the heat to the heat of the whole inside of transformer.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A water flow curtain wall type dustproof cooling transformer comprises a transformer body, wherein a cooling shell is fixedly connected to the outer end of the transformer body, a water solution is filled in the inner wall of the cooling shell, a circulating water pump is mounted at the upper end of the cooling shell, two symmetrical fixing sleeves are fixedly connected to the outer end of the transformer body, a sliding block is slidably connected between the inner walls of the fixing sleeves, a fixing handle is fixedly connected to the upper end of the sliding block, a groove is formed in the right end of the sliding block, heat conducting liquid is filled in the fixing sleeves, a contraction baffle is fixedly connected to the inner wall of the fixing sleeves, the other end of the contraction baffle is fixedly connected with the fixing handle, the heat conducting liquid is located on the lower side of the contraction baffle, an expansion balloon is fixedly connected to one end, close to the cooling shell, of the sliding block, potassium nitrate powder is filled in the expansion balloon, a diaphragm is embedded in the outer end of the expansion balloon, the outer end of the cooling shell is rotatably connected with a closing part, a plurality of air holes which are uniformly distributed are drilled at the outer ends of the closing part and the cooling shell, a filter screen is fixedly connected between the inner walls of the air holes, the inner wall of the cooling shell is rotatably connected with two rubber sealing sheets which are in mutual contact, the rubber sealing sheets correspond to the expansion balloon, and a dustproof device is arranged in the air holes. Become gaseous, the one end liquefaction of reaching the inflation sacculus under the effect of pressure differential releases the heat, recondensation becomes the one end that liquid flows back to the transformer, so round trip, strengthen the radiating effect, and when heat conduction liquid was with heat transfer to inflation sacculus one end, the inflation sacculus is because the heat absorption inflation, cause the diaphragm on its surface to produce the separation, aqueous solution is because the similar water curtain wall's of perpendicular downward flow effect, the heat that lasts to the inside production of transformer is continuously washed out and is dispelled the heat, thereby with the potassium nitrate powder mutual contact, the potassium nitrate powder is because of the characteristic of dissolving in aqueous solution, it is flowing at the cooling shell inner wall to be driven by aqueous solution, heat to the whole inside of transformer is continuously dispelled the heat.

Furthermore, the dustproof device comprises an elastic rope fixedly connected with the top end in the air vent, the lower end of the elastic rope is fixedly connected with an adsorption balloon, the outer end of the adsorption balloon is provided with two symmetrical through holes, a dust absorption film is fixedly connected between the inner walls of the through holes, a movable ball is arranged in the adsorption balloon, the outer end of the movable ball is fixedly connected with a plurality of friction lines which are uniformly distributed, the external air can be adsorbed on the surface of the transformer in the long-time working process of the transformer, so that the heat dissipation effect of the transformer is poor, the adsorption balloon in the air vent is driven to shake back and forth at the air vent due to the fluidity of the air, so that the movable ball in the air vent also shakes, meanwhile, the friction lines on the surface of the movable ball generate static electricity due to the large amount of friction with the inner wall of the adsorption balloon, and dust entering the air vent in the air is adsorbed on the surface of the dust absorption film, the dust is not easy to be adsorbed on the transformer, and the heat dissipation efficiency of the transformer is further improved.

Further, the fixed sleeve upper end fixedly connected with fixed block, spacing bolt is inserted to spacing bolt outer end and is equipped with spacing bolt, spacing bolt and fixed block threaded connection through setting up fixed block and spacing bolt, can be so that when the inflation sacculus got into the cooling shell under the promotion of fixed handle, rotatory spacing bolt carries on spacingly to the position of fixed handle for fixed handle is difficult for leading to the resilience because of the mobility of cooling shell.

Further, the fixed sleeve inside wall is excavated the rectangular channel that has two mutual symmetries, the rectangular channel internal rotation is connected with the ball, the ball contacts with the sliding block, through setting up rectangular channel and ball, can make the sliding block reduce greatly because of with the frictional force between the fixed sleeve under fixed handle's promotion, can gliding more smooth, improved work efficiency.

Further, cooling shell outer end rotates and is connected with spacing buckle, spacing buckle is located the upside of closure member, through setting up spacing buckle, can be so that closure member and cooling shell closed can be spacing to it, be difficult for causing to rock and closed inseparable, make the dust more difficult get into in the cooling shell.

Further, the outer end of the dust absorption film is provided with a plurality of uniformly distributed breathable micropores, and through the breathable micropores, gas can conveniently enter the inside of the adsorption balloon, so that the shaking of the movable ball is improved, and the friction efficiency is greatly enhanced.

Further, adsorb the sacculus by rubber materials and make, and its inside is hollow setting, through the absorption sacculus that uses rubber materials to make to set up it into hollow form, can effectively reduce the quality of adsorbing the sacculus, make it more violent under the effect that the air flows that rocks, the wobbling range is bigger, thereby make the friction line bigger with the static that adsorbs the frictional production of sacculus inner wall, stronger to the adsorption effect of dust.

Furthermore, the friction line is made of superfine fiber materials, and the friction line made of the superfine fiber materials can enable the adsorption effect of the friction line on dust to be stronger, so that the dust contained in the air is not easy to adsorb on the surface of the transformer, and the heat dissipation effect of the transformer is improved.

Furthermore, the filter screen is made by stainless steel material, and its surface is scribbled and is equipped with the anti-rust paint, through filter screen and the anti-rust paint who sets up stainless steel material, can make the filter screen be difficult for taking place the corrosion under long-time use, prolongs its life.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) when the device works in a transformer, the fixed handle is pushed to drive the expansion saccule to pass through the rubber sealing sheet, so that the expansion saccule is positioned in the cooling shell and is contacted with the aqueous solution, the contraction baffle plate is also driven by the movement of the fixed handle to extend, the circulating water pump is started again at the moment to enable the aqueous solution to circularly flow in the cooling shell, when the transformer generates a large amount of heat due to long-time operation, the heat-conducting liquid in the fixed sleeve absorbs heat and evaporates at one end of the transformer to become gas, the gas reaches one end of the expansion saccule under the action of pressure difference to be liquefied and release heat, the gas is condensed to become liquid and flows back to one end of the transformer, the reciprocating is carried out to enhance the heat dissipation effect, when the heat-conducting liquid transfers the heat to one end of the expansion saccule, the expansion saccule absorbs heat and expands, so that the diaphragm on the surface of the expansion saccule is separated, and the aqueous solution vertically flows downwards to be similar to the flowing action of a water curtain wall, the heat that lasts to the inside production of transformer is continuously washed away and is dispelled the heat to with the mutual contact of potassium nitrate powder, the potassium nitrate powder is driven at cooling shell inner wall because of the characteristic of dissolving in aqueous solution and is flowing by aqueous solution, continuously dispels the heat to the whole inside heat of transformer.

(2) The dustproof device comprises an elastic rope fixedly connected with the top end in the air vent, the lower end of the elastic rope is fixedly connected with an adsorption ball bag, the outer end of the adsorption ball bag is provided with two symmetrical through holes, a dust absorption film is fixedly connected between the inner walls of the through holes, a movable ball is arranged in the adsorption ball bag, the outer end of the movable ball is fixedly connected with a plurality of uniformly distributed friction lines, the external air can be adsorbed on the surface of the transformer in the long-time working process of the transformer, so that the self heat dissipation effect of the transformer is poor, at the moment, the adsorption ball bag in the air vent is driven to shake back and forth at the air vent due to the fluidity of the air, so that the movable ball in the air vent also shakes, and meanwhile, the friction lines on the surface of the movable ball generate static electricity due to a large amount of friction with the inner wall of the adsorption ball bag, dust entering the air vent is adsorbed on the surface of the dust absorption film, so that the dust is not easy to be adsorbed on the transformer, the heat dissipation efficiency of the transformer is further improved.

(3) Fixed sleeve pipe upper end fixedly connected with fixed block, spacing bolt outer end is inserted and is equipped with spacing bolt, and spacing bolt and fixed block threaded connection through setting up fixed block and spacing bolt, can be so that when inflation sacculus gets into the cooling shell under the promotion of fixed handle in, rotatory spacing bolt carries on spacingly to the position of fixed handle for fixed handle is difficult to lead to kick-backing because of the mobility of cooling shell.

(4) The fixed cover inside pipe wall is excavated there are two mutual symmetrical rectangular channels, and the rectangular channel internal rotation is connected with the ball, and the ball contacts with the sliding block, through setting up rectangular channel and ball, can make the sliding block reduce greatly because of and the fixed sleeving between frictional force under fixed handle's promotion, can gliding more smooth, improved work efficiency.

(5) The outer end of the cooling shell is rotatably connected with a limiting buckle, the limiting buckle is located on the upper side of the closing part, and the closing part can be limited when being closed with the cooling shell by arranging the limiting buckle, so that the closing part is not easy to shake and close and the dust is not easy to enter the cooling shell.

(6) The outer end of the dust absorption film is provided with a plurality of uniformly distributed breathable micropores, and through the breathable micropores, gas can conveniently enter the inside of the adsorption balloon, so that the shaking of the movable ball is improved, and the friction efficiency is greatly enhanced.

(7) The adsorption sacculus is made by rubber materials, and its inside is hollow setting, through the adsorption sacculus that uses rubber materials to make, and set up it into hollow form, can effectively reduce the quality of adsorbing the sacculus, make it more violent under the effect that the air flows that rocks, the wobbling range is bigger, thereby make the friction line bigger with the static that adsorbs the frictional production of sacculus inner wall, stronger to the adsorption effect of dust.

(8) The friction line is made by superfine fiber material, and through the friction line that uses superfine fiber material to make, can make the adsorption effect of friction line to the dust stronger, makes the difficult absorption in the dust that contains in the air on the transformer surface, improves the radiating effect of transformer.

(9) The filter screen is made by stainless steel material, and its surface is scribbled and is equipped with the anti-rust paint, through filter screen and the anti-rust paint who sets up stainless steel material, can make the filter screen be difficult for taking place the corrosion under long-time use, prolongs its life.

Drawings

FIG. 1 is a perspective view of a transformer according to the present invention;

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

FIG. 3 is a perspective view of the cooling housing of the present invention;

FIG. 4 is a perspective view of the locking collar of the present invention;

FIG. 5 is a schematic structural view of the locking collar of the present invention;

FIG. 6 is a perspective view of a stop bolt of the present invention;

FIG. 7 is a schematic view of the structure of the vent of the present invention.

The reference numbers in the figures illustrate:

1 transformer, 2 cooling shells, 3 aqueous solution, 4 circulating water pumps, 5 fixed sleeves, 6 sliding blocks, 7 fixed handles, 8 grooves, 9 heat conducting liquid, 10 shrinkage baffles, 11 expansion balloons, 12 potassium nitrate powder, 13 diaphragms, 14 closure elements, 15 air holes, 16 filter screens, 17 elastic ropes, 18 adsorption balloons, 19 through holes, 20 dust absorption films, 21 movable balls, 22 friction lines, 23 fixed blocks, 24 limiting bolts and 25 rubber sealing sheets.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-6, a water curtain type dustproof cooling transformer comprises a transformer 1, a cooling shell 2 is fixedly connected to the outer end of the transformer 1, a water solution 3 is filled in the inner wall of the cooling shell 2, a circulating water pump 4 is installed at the upper end of the cooling shell 2, two symmetrical fixing sleeves 5 are fixedly connected to the outer end of the transformer 1, a sliding block 6 is slidably connected between the inner walls of the fixing sleeves 5, a fixing handle 7 is fixedly connected to the upper end of the sliding block 6, a groove 8 is chiseled at the right end of the sliding block 6, a heat conducting liquid 9 is filled in the fixing sleeves 5, a contraction baffle 10 is fixedly connected to the inner wall of the fixing sleeve 5, the other end of the contraction baffle 10 is fixedly connected to the fixing handle 7, the heat conducting liquid 9 is located at the lower side of the contraction baffle 10, an expansion balloon 11 is fixedly connected to one end of the sliding block 6 close to the cooling shell 2, and a potassium nitrate powder 12 is filled in the expansion balloon 11, the outer end of an expansion sacculus 11 is embedded with a diaphragm 13, the outer end of a cooling shell 2 is rotatably connected with a closure member 14, the outer ends of the closure member 14 and the cooling shell 2 are respectively provided with a plurality of air holes 15 which are uniformly distributed, a filter screen 16 is fixedly connected between the inner walls of the air holes 15, the inner wall of the cooling shell 2 is rotatably connected with two rubber sealing sheets 25 which are mutually contacted, the rubber sealing sheets 25 correspond to the expansion sacculus 11, and a dustproof device is arranged in the air holes 15, when the device works, a fixed handle 7 is pushed to drive the expansion sacculus 11 to pass through the rubber sealing sheets 25, so that the expansion sacculus 11 is positioned in the cooling shell 2 to be contacted with an aqueous solution 3, meanwhile, a contraction baffle plate 10 is also driven by the movement of the fixed handle 7 to extend, at the moment, a circulating water pump 4 is started again, the aqueous solution 3 circularly flows in the cooling shell 2, when the transformer generates a large amount of heat due to long-time operation, the heat-conducting liquid 9 in the fixed sleeve 5 absorbs heat and evaporates at one end of the transformer 1 to become gas, the end reaching the expansion balloon 11 under the action of pressure difference is liquefied to release heat, the heat-conducting liquid is condensed to become liquid and flows back to one end of the transformer 1, the heat dissipation effect is enhanced, when the heat-conducting liquid 9 transfers the heat to one end of the expansion balloon 11, the expansion balloon 11 is expanded due to heat absorption, so that the diaphragm 13 on the surface of the expansion balloon is separated, the water solution 3 is similar to the flowing action of a water curtain wall due to vertical downward flowing, the heat generated inside the transformer 1 is continuously washed and dissipated, and therefore the heat-conducting liquid is contacted with the potassium nitrate powder 12, the potassium nitrate powder 12 is driven by the water solution 3 to flow on the inner wall of the cooling shell 2 due to the characteristic of being dissolved in the water solution 3, and the heat inside the transformer is continuously dissipated.

Referring to fig. 7, the dust-proof device includes an elastic rope 17 fixedly connected to the top end of the air vent 15, an adsorption balloon 18 fixedly connected to the lower end of the elastic rope 17, two symmetrical through holes 19 drilled in the outer end of the adsorption balloon 18, a dust-absorbing film 20 fixedly connected between the inner walls of the through holes 19, a movable ball 21 disposed in the adsorption balloon 18, and a plurality of evenly distributed friction lines 22 fixedly connected to the outer end of the movable ball 21, wherein during the long-time operation of the transformer 1, the external air is adsorbed on the surface of the transformer 1, so that the heat dissipation effect of the transformer 1 is not good, at this time, the adsorption balloon 18 in the air vent 15 is driven to swing back and forth in the air vent 15 due to the fluidity of the air, so that the movable ball 21 in the air is also swung, and meanwhile, the friction lines 22 on the surface of the movable ball 21 generate static electricity due to the friction with the inner wall of the adsorption balloon 18, so as to adsorb the dust in the air entering the air vent 15 on the surface of the dust-absorbing film 20, dust is not easy to be adsorbed on the transformer 1, and the heat dissipation efficiency of the transformer 1 is further improved.

Referring to fig. 6, the fixing block 23 is fixedly connected to the upper end of the fixing sleeve 5, the limiting bolt 24 is inserted into the outer end of the limiting bolt 24, the limiting bolt 24 is in threaded connection with the fixing block 23, and by arranging the fixing block 23 and the limiting bolt 24, when the inflatable balloon 11 is pushed by the fixing handle 7 to enter the cooling shell 2, the limiting bolt 24 is rotated to limit the position of the fixing handle 7, so that the fixing handle 7 is not easy to rebound due to the flowability of the cooling shell 2.

Referring to fig. 4-6, two symmetrical rectangular grooves are cut on the inner wall of the fixing sleeve 5, the balls are rotatably connected in the rectangular grooves and contact with the sliding block 6, and by arranging the rectangular grooves and the balls, the friction between the sliding block 6 and the fixing sleeve 5 under the pushing of the fixing handle 7 can be greatly reduced, so that the sliding is smoother, and the working efficiency is improved.

Referring to fig. 3, the outer end of the cooling housing 2 is rotatably connected with a limiting buckle, the limiting buckle is located on the upper side of the closing part 14, and the closing part 14 and the cooling housing 2 can be limited when being closed by the limiting buckle, so that shaking and closing are not easy to cause, and dust is not easy to enter the cooling housing 2.

Referring to fig. 7, the outer end of the dust-absorbing film 20 is perforated with a plurality of uniformly distributed air-permeable micropores, so that air can conveniently enter the interior of the adsorption balloon 18, the shaking of the movable ball 21 is improved, and the friction efficiency is greatly enhanced.

Referring to fig. 7, the adsorption balloon 18 is made of a rubber material, and the inside of the adsorption balloon 18 is hollow, and the adsorption balloon 18 made of the rubber material is hollow, so that the mass of the adsorption balloon 18 can be effectively reduced, the adsorption balloon can shake more violently under the action of air flow, the swing amplitude is larger, static electricity generated by friction between the friction line 22 and the inner wall of the adsorption balloon 18 is larger, and the adsorption effect on dust is stronger.

Referring to fig. 7, the friction line 22 is made of an ultrafine fiber material, and the friction line 22 made of the ultrafine fiber material can enhance the dust adsorption effect of the friction line 22, so that dust contained in air is not easily adsorbed on the surface of the transformer 1, and the heat dissipation effect of the transformer 1 is improved.

Referring to fig. 3, the filter screen 16 is made of stainless steel, and the surface thereof is coated with the anti-rust paint, so that the filter screen 16 is not easily rusted after long-term use by the arrangement of the filter screen 16 made of stainless steel and the anti-rust paint, and the service life thereof is prolonged.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.