阅读说明：本技术 一种采用片式散热器冷却的大容量整流变压器 (Large-capacity rectifier transformer cooled by finned radiator ) 是由 杨圆 于 2021-09-08 设计创作，主要内容包括：本发明公开了一种采用片式散热器冷却的大容量整流变压器,包括空心的变压器箱,所述变压器箱下表面固定连接有功能块和驱动电机,所述功能块为空心结构,所述驱动电机的输出轴固定连接有驱动轴,所述驱动轴与功能块侧壁通过轴承贯穿转动连接,所述驱动轴位于功能块内的一端过盈配合有驱动盘,所述功能块内密封滑动套接有活塞板,所述驱动盘侧壁通过销轴转动连接有连杆,所述连杆远离驱动盘的一端与所述活塞板顶壁通过销轴转动连接。优点在于：本发明相较于现有技术,其散热效果更好,且在变压器处于高负荷工作状态下时,还可以提高良好的散热,同时还可以对变压器箱内的灰尘进行吸附,避免灰尘对变压器工作产生影响。(The invention discloses a large-capacity rectifier transformer cooled by a finned radiator, which comprises a hollow transformer box, wherein a function block and a driving motor are fixedly connected to the lower surface of the transformer box, the function block is of a hollow structure, an output shaft of the driving motor is fixedly connected with a driving shaft, the driving shaft is in penetrating and rotating connection with the side wall of the function block through a bearing, one end, located in the function block, of the driving shaft is in interference fit with a driving disc, a piston plate is hermetically and slidably sleeved in the function block, the side wall of the driving disc is rotatably connected with a connecting rod through a pin shaft, and one end, away from the driving disc, of the connecting rod is rotatably connected with the top wall of the piston plate through a pin shaft. Has the advantages that: compared with the prior art, the transformer box has better heat dissipation effect, can improve good heat dissipation when the transformer is in a high-load working state, and can adsorb dust in the transformer box to avoid the influence of the dust on the work of the transformer.)

1. The large-capacity rectifier transformer cooled by the finned radiator comprises a hollow transformer box (1) and is characterized in that a functional block (2) and a driving motor (201) are fixedly connected to the lower surface of the transformer box (1), the functional block (2) is of a hollow structure, an output shaft of the driving motor (201) is fixedly connected with a driving shaft (202), the driving shaft (202) is in through rotating connection with the side wall of the functional block (2) through a bearing, a driving disc (203) is in interference fit with one end, located in the functional block (2), of the driving shaft (202), a piston plate (205) is sleeved in the functional block (2) in a sealing sliding mode, a connecting rod (204) is rotatably connected to the side wall of the driving disc (203) through a pin shaft, one end, far away from the driving disc (203), of the connecting rod (204) is rotatably connected with the top wall of the piston plate (205) through a pin shaft, the utility model discloses a transformer case, including function block (2), intake pipe (206), suction pipe (208), transformer case (1), several ventholes (104) have been seted up to function block (2) lateral wall through fixedly connected with a plurality of breathing pipes (208), function block (2) roof through fixedly connected with intake pipe (206), intake pipe (206) run through transformer case (1) diapire and extend to inside, all be provided with the check valve in intake pipe (206) and breathing pipe (208).

2. The finned radiator-cooled high-capacity rectifier transformer according to claim 1, wherein the inner side wall of the transformer tank (1) is fixedly connected with a transformer main body (102) through a bracket, the side wall of the transformer main body (102) is fixedly connected with a plurality of heat dissipation fins (103), and a filter screen (207) is arranged in the air inlet pipe (206).

3. The large-capacity rectifier transformer cooled by the finned radiator according to claim 1, further comprising a hollow coolant tank (3), wherein the coolant tank (3) is filled with coolant, the side wall of the functional block (2) penetrates through a fixedly connected circulation liquid pipe (301), one end of the circulation liquid pipe (301) far away from the functional block (2) penetrates through a fixedly connected and extended outside the transformer tank (1), the side wall of the functional block (2) penetrates through a fixedly connected liquid inlet pipe (302), the side wall of the coolant tank (3) penetrates through a fixedly connected liquid inlet bifurcated pipe (303), one end of the liquid inlet pipe (302) far away from the functional block (2) penetrates through a fixedly connected liquid inlet bifurcated pipe (303), the top wall of the coolant tank (3) penetrates through a fixedly connected liquid return bifurcated pipe (304), one end of the circulation liquid pipe (301) far away from the functional block (2) and one end of the bifurcated liquid return pipe (304) penetrate through a fixedly connected bifurcated liquid inlet pipe (303) And the liquid inlet pipe (302) and the circulating liquid pipe (301) are positioned at one end in the functional block (2) and are respectively provided with a one-way valve.

4. The finned radiator-cooled high-capacity rectifier transformer according to claim 3, wherein an insulating plate (305) is fixedly connected to the inner side wall of the cooling liquid tank (3), semiconductor cooling fins (308) are arranged on two opposite side walls of the cooling liquid tank (3), and a first electromagnetic valve (306) and a second electromagnetic valve (307) are arranged in the liquid inlet branching pipe (303) and the liquid return branching pipe (304).

5. A large capacity rectifier transformer cooled by gilled radiator according to claim 4, characterized in that said heat insulating plate (305) is made of glass fiber material and its interior is in vacuum state.

6. The plate radiator-cooled high-capacity rectifier transformer according to claim 1, wherein a dust suction mechanism for sucking dust is arranged in the transformer tank (1), the dust suction mechanism comprises a mounting plate (405) fixedly connected with the inner top wall of the transformer tank (1), the mounting plate (405) is rotatably connected with a forward rotating shaft (406) through a bearing, the forward rotating shaft (406) is rotatably connected with a reverse rotating shaft (407) through a bearing, both ends of the reverse rotating shaft (407) extend to the outside of the forward rotating shaft (406), the forward rotating shaft (406) and the reverse rotating shaft (407) are respectively in interference fit with a sub bevel gear (404), a first friction disc (408) is in interference fit at one end of the forward rotating shaft (406) far away from the sub bevel gear (404), and a second friction disc (409) is in interference fit at one end of the reverse rotating shaft (407) far away from the sub bevel gear (404), the first friction disc (408) abuts against the second friction disc (409).

7. The large-capacity rectifier transformer cooled by the finned radiator according to claim 6, wherein a section of the driving shaft (202) located outside the functional block (2) is in interference fit with a driving bevel gear (4), the bottom wall of the transformer box (1) is rotatably connected with a driven shaft (402) through a bearing in a penetrating manner, one end of the driven shaft (402) located outside the transformer box (1) is in interference fit with a driven bevel gear (401), one end of the driven shaft (402) located inside the transformer box (1) is in interference fit with a parent bevel gear (403), the driven bevel gear (401) is meshed with the driving bevel gear (4), and two of the child bevel gears (404) are meshed with the parent bevel gear (403) together.

8. The plate radiator cooled high capacity rectifier transformer of claim 6, wherein said first friction disk (408) is made of rubber, and the outer wall of said second friction disk (409) is glued with a frosted layer.

Technical Field

The invention relates to the technical field of transformers, in particular to a high-capacity rectifier transformer cooled by a finned radiator.

Background

The electric energy is one of the most commonly used energy sources, in the life and production process, the electric energy is required to be used, after the electric energy is sent out by a power plant and is transmitted to a corresponding place through a power transmission line, the electric energy can be supplied to people for use after being transformed by a transformer, the transformer is divided into a plurality of types, and a rectifier transformer is one of the rectifier transformers and can carry out certain rectification while transforming the voltage, so that a large amount of heat is often generated in the working process of the transformer, and the transformer can be damaged if the heat is not dissipated in time.

Among the prior art, current transformer often is simple trompil and fan cooling, and its radiating effect is general, and under high load operating condition, it can't guarantee better radiating effect, and seting up of louvre often can make external dust get into the transformer case in, adheres to on the transformer to produce certain influence to the transformer, influence its heat dissipation simultaneously.

Disclosure of Invention

The invention aims to solve the problems that the heat dissipation effect is general, dust influences the work of a transformer and the like in the prior art, and provides a high-capacity rectifier transformer cooled by a finned radiator.

In order to achieve the purpose, the invention adopts the following technical scheme:

a high-capacity rectifier transformer cooled by a finned radiator comprises a hollow transformer box, wherein a function block and a driving motor are fixedly connected to the lower surface of the transformer box, the function block is of a hollow structure, an output shaft of the driving motor is fixedly connected with a driving shaft, the driving shaft is in through rotating connection with the side wall of the function block through a bearing, one end, located in the function block, of the driving shaft is in interference fit with a driving disc, a piston plate is hermetically sleeved in the function block in a sliding mode, the side wall of the driving disc is rotatably connected with a connecting rod through a pin shaft, one end, away from the driving disc, of the connecting rod is rotatably connected with the top wall of the piston plate through a pin shaft, the side wall of the function block is fixedly connected with a plurality of air suction pipes in a penetrating mode, an air inlet pipe penetrates through the bottom wall of the transformer box and extends to the interior of the transformer box, and one-way valves are arranged in the air inlet pipe and the air suction pipes, and the side wall of the transformer box is provided with a plurality of air outlet holes.

In the above large-capacity rectifier transformer cooled by the finned radiator, the inner side wall of the transformer box is fixedly connected with a transformer main body through a support, the side wall of the transformer main body is fixedly connected with a plurality of heat dissipation fins, and a filter screen is arranged in the air inlet pipe.

In foretell large capacity rectifier transformer who adopts gilled radiator cooling, still include hollow coolant liquid case, the coolant liquid incasement is filled with the coolant liquid, the function block lateral wall runs through fixedly connected with circulating fluid pipe, the circulating fluid pipe keep away from the one end of function block with the transformer case runs through fixed connection and extends to its outside, the function block lateral wall runs through fixedly connected with feed liquor pipe, the coolant liquid case lateral wall runs through the bifurcated pipe of fixedly connected with feed liquor, the feed liquor pipe keep away from the one end of function block with the bifurcated pipe of feed liquor runs through fixed connection, the coolant liquid roof runs through fixedly connected with bifurcated pipe of return liquid, the circulating fluid pipe keep away from the one end of function block with the bifurcated pipe of return liquid runs through fixed connection, feed liquor pipe, circulating fluid pipe are located one end in the function block all is provided with the check valve.

In foretell large capacity rectifier transformer who adopts gilled radiator cooling, coolant liquid incasement lateral wall fixedly connected with heat insulating shield, two lateral walls that the coolant liquid case is relative all are provided with the semiconductor refrigeration piece, all be provided with first solenoid valve, second solenoid valve in feed liquor bifurcated pipe, the liquid return bifurcated pipe.

In the above large-capacity rectifier transformer cooled by the finned radiator, the heat-insulating plate is made of glass fiber, and the inside of the heat-insulating plate is in a vacuum state.

In the above large-capacity rectifier transformer cooled by the plate radiator, a dust suction mechanism for adsorbing dust is arranged in the transformer box, the dust suction mechanism comprises a mounting plate fixedly connected with the inner top wall of the transformer box, the mounting plate is connected with a forward rotating shaft in a penetrating and rotating mode through a bearing, the forward rotating shaft is connected with a reverse rotating shaft in a penetrating and rotating mode through a bearing, two ends of the reverse rotating shaft extend to the outside of the forward rotating shaft, the forward rotating shaft and the reverse rotating shaft are in interference fit with each other to form a sub bevel gear, a first friction disc is in interference fit with one end, far away from the ion bevel gear, of the forward rotating shaft, a second friction disc is in interference fit with one end, far away from the ion bevel gear, of the reverse rotating shaft, and the first friction disc is abutted to the second friction disc.

In the above large-capacity rectifier transformer cooled by the finned radiator, one section of the driving shaft located outside the functional block is in interference fit with a driving bevel gear, the bottom wall of the transformer box is connected with a driven shaft through a bearing in a penetrating and rotating manner, one end of the driven shaft located outside the transformer box is in interference fit with a driven bevel gear, one end of the driven shaft located inside the transformer box is in interference fit with a parent bevel gear, the driven bevel gear is meshed with the driving bevel gear, and the two child bevel gears are meshed with the parent bevel gear together.

In the above large-capacity rectifier transformer cooled by the plate radiator, the first friction disc is made of rubber, and the outer wall of the second friction disc is glued with the frosted skin layer.

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

1. in the first embodiment, the driving disc is rotated through the motor and the driving shaft, so that the driving disc drives the piston plate to reciprocate up and down through the connecting rod, external cold air is sucked into the functional block through the air suction pipe through the up-and-down reciprocating motion of the piston plate, and is pumped into the transformer box through the air inlet pipe;

2. in the first embodiment, the plurality of heat dissipation fins are arranged on the side wall of the transformer body, so that the contact area between the transformer and air is greatly increased, the transformer can better dissipate heat into the air, and the heat is discharged out of the transformer box along with the air;

3. in the second embodiment, when the piston plate reciprocates up and down to continuously pump cold air into the transformer box, the cooling liquid in the cooling liquid box can be pumped into the functional block through the liquid inlet pipe and then pumped into the circulating pipe for circulation, and heat generated by the work of the transformer is taken away through the circulation of the cooling liquid, so that the transformer has a better heat dissipation environment through the simultaneous heat dissipation of air flow and the circulating cooling liquid, and the service life of the transformer is greatly prolonged;

4. in the second embodiment, the cooling liquid box is divided into two parts by arranging the heat insulation plate, and one part of cooling liquid is circulated while the other part of cooling liquid is rapidly cooled by the semiconductor refrigerating sheet and then put into use by arranging the first electromagnetic valve, the second electromagnetic valve, the liquid inlet bifurcated pipe and the liquid return bifurcated pipe, so that the two parts of cooling liquid alternately perform heat dissipation and self cooling of the transformer, the transformer can still keep good heat dissipation in a high-strength working process, and the heat dissipation capability is not reduced due to the fact that the cooling liquid does not have time to dissipate heat due to high-strength working;

5. in the third embodiment, through the arrangement of the sub bevel gear and the parent bevel gear, the driving shaft drives the piston plate to move, and simultaneously, the forward rotating shaft and the reverse rotating shaft rotate towards the opposite direction, so that high-speed friction is generated between the first friction disc and the second friction disc, static electricity is generated on the friction discs, and dust in the transformer box is adsorbed, so that the dust is prevented from being adsorbed on the transformer, and the influence on the heat dissipation and the work of the transformer box is avoided.

Drawings

Fig. 1 is an external view of a large-capacity rectifier transformer cooled by a gilled heat sink according to the present invention;

fig. 2 is a schematic structural diagram of a large-capacity rectifier transformer cooled by a finned radiator according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a schematic structural diagram of a dust suction mechanism in a large-capacity rectifier transformer cooled by a finned radiator according to the present invention;

fig. 6 is a schematic diagram of a direction of a circulating liquid pipe in a large-capacity rectifier transformer cooled by a finned radiator according to the present invention;

fig. 7 is a longitudinal sectional view of a cooling liquid tank in a large-capacity rectifier transformer cooled by a finned radiator according to the present invention;

fig. 8 is a transverse cross-sectional view of a cooling liquid tank in a large-capacity rectifier transformer cooled by a finned radiator according to the present invention.

In the figure: 1 transformer box, 101 support columns, 102 transformer main body, 103 heat dissipation fins, 104 air outlet holes, 2 functional blocks, 201 driving motor, 202 driving shaft, 203 driving disc, 204 connecting rod, 205 piston plate, 206 air inlet pipe, 207 filter screen, 208 air inlet pipe, 3 cooling liquid box, 301 circulating liquid pipe, 302 liquid inlet pipe, 303 liquid inlet branch pipe, 304 liquid return branch pipe, 305 heat insulation plate, 306 first electromagnetic valve, 307 second electromagnetic valve, 308 semiconductor refrigeration piece, 4 driving bevel gear, 401 driven bevel gear, 402 driven shaft, 403 father bevel gear, 404 son bevel gear, 405 mounting plate, 406 forward rotating shaft, 407 reverse rotating shaft, 408 first friction disc and 409 second friction disc.

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.

Example one

Referring to fig. 1-3, a large-capacity rectifier transformer cooled by a finned radiator comprises a hollow transformer box 1, a functional block 2 and a driving motor 201 are fixedly connected to the lower surface of the transformer box 1, the functional block 2 is of a hollow structure, an output shaft of the driving motor 201 is fixedly connected with a driving shaft 202, the driving shaft 202 is rotatably connected with the side wall of the functional block 2 through a bearing in a penetrating manner, the bearing between the driving shaft 202 and the functional block 2 is a sealing bearing, so that the sealing performance in the functional block 2 is ensured, air leakage at the joint of the bearing is avoided, a driving disc 203 is in interference fit with one end of the driving shaft 202 positioned in the functional block 2, a piston plate 205 is in a sealing sliding sleeve connection in the functional block 2, a connecting rod 204 is rotatably connected with the side wall of the driving disc 203 through a pin shaft, one end of the connecting rod 204 far away from the driving disc 203 is rotatably connected with the top wall of the piston plate 205 through a pin shaft, a plurality of air suction pipes 208 are fixedly connected with the side wall of the functional block 2 through a penetrating manner, the roof of function block 2 runs through fixedly connected with intake pipe 206, intake pipe 206 runs through 1 diapire of transformer case and extends to its inside, all be provided with the check valve in intake pipe 206 and the breathing pipe 208, the check valve in the intake pipe 206 only allows the air to get into in the transformer case 1 from function block 2, the check valve in the breathing pipe 208 only allows the air to get into in the function block 2 from the external world, thereby make the up-and-down reciprocating motion of piston plate 205, can be continuous with the external air pump go into transformer case 1 in, a plurality of ventholes 104 have been seted up to transformer case 1 lateral wall, as shown in fig. 1, venthole 104 sets up in the upper half of transformer case 1, thereby make the hot air of suspension under the promotion of the cold air of below pump income, better discharge transformer case 1 through venthole 104.

The inside wall of the transformer tank 1 is fixedly connected with a transformer main body 102 through a bracket, the side wall of the transformer main body 102 is fixedly connected with a plurality of radiating fins 103, a filter screen 207 is arranged in the air inlet pipe 206, and the filter screen 207 can filter cold air pumped in, so that dust communicated air is prevented from being pumped into the transformer tank 1 together.

In this embodiment, the driving motor 201 drives the driving shaft 202 to rotate, the driving shaft 202 drives the driving disc 203 in interference fit with the driving shaft to rotate, the rotation of the driving disc 203 is matched with the connecting rod 204, so that the piston plate 205 reciprocates up and down, when the piston plate 205 moves down, the external cold air is sucked into the functional block 2 through the air suction pipe 208, when the piston plate 205 moves up, the piston plate 205 filters the sucked cold air through the filter screen 207 in the air inlet pipe 206 and pumps the filtered cold air into the transformer box 1, during the working process of the transformer main body 102, heat is continuously generated and is dissipated into the air in the transformer box 1 through the heat dissipation fins 103, so that the temperature of the air around the heat dissipation fins 103 is increased, because the density of the cold air is greater than that of the hot air, the cold air pumped from below can extrude the hot air suspended at the upper part in the transformer box 1 out of the transformer box 1 through the air outlet 104, the pumped cold air is contacted with the heat dissipation fins 103 again, the temperature is increased, the pumped cold air is extruded out of the transformer box 1 again, and the air in the transformer box 1 is forced to circulate in a reciprocating mode in such a way, so that a better heat dissipation effect is achieved.

Example two

Referring to fig. 1 to 3 and fig. 6 to 8, the present embodiment differs from the first embodiment in that: the heat dissipation of circulating cooling liquid is carried out while the forced air circulation heat dissipation is carried out, the heat dissipation of circulating cooling liquid is carried out, the hollow cooling liquid box 3 is further included, cooling liquid is filled in the cooling liquid box 3, a circulating liquid pipe 301 penetrates through and is fixedly connected with the side wall of the functional block 2, one end, far away from the functional block 2, of the circulating liquid pipe 301 penetrates and is fixedly connected with the transformer box 1 and extends to the outside of the transformer box, as shown in figure 6, a section of the circulating liquid pipe 301, located in the transformer box 1, of the snake-shaped coil is spirally wound on the side wall of the transformer body 102 and is in contact with the heat dissipation fins 103, so that the contact area between the circulating liquid pipe 301 and the transformer body 102 and the heat dissipation fins 103 is greatly increased, heat is better exchanged with the circulating liquid pipe, heat of the circulating liquid pipe is taken away from the transformer box 102, a liquid inlet pipe 302 penetrates and is fixedly connected with the side wall of the functional block 2, a liquid inlet branch pipe 303 penetrates and is fixedly connected with the side wall of the cooling liquid inlet pipe 302, the cooling liquid case 3 roof runs through fixedly connected with and returns liquid bifurcated pipe 304, the one end that function block 2 was kept away from to circulation fluid pipe 301 runs through fixedly connected with returns liquid bifurcated pipe 304, as shown in fig. 7 and 8, inlet branch pipe 303 is the U-shaped pipe with returning liquid bifurcated pipe 304, and its both ends all run through and extend to in the cooling liquid case 3, and simultaneously, its both ends are located the both sides of heat-insulating board 305, inlet pipe 302, the one end that circulation fluid pipe 301 is located function block 2 all is provided with the check valve, the check valve in inlet pipe 302 only allows the coolant liquid and gets into in the function block 2 in the inlet pipe 302, the check valve in circulation fluid pipe 301 only allows the coolant liquid to get into in the circulation fluid pipe 301 by function block 2 in, thereby make the up-and-down motion of piston plate 205, can drive the motion of coolant liquid.

The inner side wall of the cooling liquid tank 3 is fixedly connected with an insulation board 305, the insulation board 305 is made of glass fiber material, the interior of the insulation board 305 is in a vacuum state, the glass fiber and the inner vacuum can better isolate heat exchange of two parts, so that a better cooling effect is achieved, two opposite side walls of the cooling liquid tank 3 are respectively provided with a semiconductor refrigeration sheet 308, a liquid inlet branching pipe 303 and a liquid return branching pipe 304 are respectively internally provided with a first electromagnetic valve 306 and a second electromagnetic valve 307, the first electromagnetic valve 306 and the second electromagnetic valve 307 are positioned at two ends of the liquid inlet branching pipe 303 and the liquid return branching pipe 304 and correspond in position, namely, the switches of the first electromagnetic valve 306 and the second electromagnetic valve 307 can control the use of cooling liquid at two sides of the insulation board 305, two opposite side walls of the insulation board 305 are also provided with temperature sensors (not shown in the figure), the temperature sensors are connected with a PLC control circuit and can control the temperature according to the temperature, controlling the opening and closing of the first electromagnetic valve 306 and the second electromagnetic valve 307 is not described herein for the prior art.

In this embodiment, when the piston plate 205 reciprocates up and down to pump cold air into the transformer tank 1, the cooling liquid in the cooling liquid tank 3 can be pumped into the functional block 2 through the liquid inlet pipe 302 and then into the circulating liquid pipe 301, so that the cooling liquid is circulated and contacted with the transformer main body 102 and the heat dissipation fins 103 to take away heat generated by the cooling liquid, and the cooling liquid is cooled by the forced air flow, thereby achieving a better heat dissipation effect;

at the initial state, the two second electromagnetic valves 307 are closed, the two first electromagnetic valves 306 are opened, at this time, the reciprocating motion of the piston plate 205 can continuously drive and circulate the cooling liquid in the portion of the cooling liquid tank 3 located on one side of the first electromagnetic valves 306, if the working strength of the transformer is not high, the circulation state is always maintained, if the transformer works with high strength, the heat generated by the transformer is large, the refrigeration of the semiconductor refrigeration sheet 308 cannot quickly reduce the cooling temperature, at this time, the temperature sensor senses the temperature change, thereby controlling the two second electromagnetic valves 307 to be opened, the two first electromagnetic valves 306 are closed, at this time, the motion of the piston plate 205 can drive the cooling liquid on one side of the second electromagnetic valves 307 to circularly dissipate heat, while the cooling liquid on one side of the first electromagnetic valves 306 is gradually reduced in temperature under the refrigeration action of the semiconductor refrigeration sheet 308, and the temperature of the cooling liquid on one side of the second electromagnetic valves 307 is continuously increased, at this time, the first electromagnetic valve 306 is controlled to be opened, the second electromagnetic valve 307 is controlled to be opened, and the reciprocating operation is performed, so that the temperature of the cooling liquid is kept low at any time, and the transformer can be ensured to have good heat dissipation performance under the high-strength work.

EXAMPLE III

Referring to fig. 1 to 5, the present embodiment is different from the first embodiment in that: when driving motor 201 drives piston plate 205 motion, can also adsorb the dust in transformer case 1, be provided with the dust absorption mechanism who is used for adsorbing the dust in transformer case 1, dust absorption mechanism includes with transformer case 1 inside roof fixed connection's mounting panel 405, mounting panel 405 runs through the commentaries on classics and connects with positive pivot 406 through the bearing, positive pivot 406 runs through the bearing and rotates and be connected with reverse rotation shaft 407, reverse rotation shaft 407 both ends all extend to positive pivot 406 outside, positive rotation shaft 406 and reverse rotation shaft 407 all interference fit have sub bevel gear 404, the one end interference fit that sub bevel gear 404 was kept away from to positive rotation shaft 406 has first friction disk 408, the one end interference fit that sub bevel gear 404 was kept away from to reverse rotation shaft 407 has second friction disk 409, first friction disk 408 offsets with second friction disk 409.

First friction disk 408 is the rubber material, and second friction disk 409 outer wall veneer has the friction coat layer, and the friction between the different materials makes and produces static on the friction disk, adsorbs the dust of transformer case 1 inside through static, avoids it to adhere to on transformer main part 102, produces the influence to transformer main part 102.

One section of the driving shaft 202 located outside the function block 2 is in interference fit with the driving bevel gear 4, the bottom wall of the transformer box 1 is connected with the driven shaft 402 through a bearing in a penetrating and rotating mode, one end of the driven shaft 402 located outside the transformer box 1 is in interference fit with the driven bevel gear 401, one end of the driven shaft 402 located inside the transformer box 1 is in interference fit with the parent bevel gear 403, the driven bevel gear 401 is meshed with the driving bevel gear 4, the two sub bevel gears 404 are meshed with the parent bevel gear 403 together, as shown in fig. 4 and 5, the two sub bevel gears 404 are symmetrically arranged relative to the parent bevel gear 403, so that the parent bevel gear 403 drives the two sub bevel gears 404 to rotate towards different directions, fast relative friction is formed between the two sub bevel gears, and static electricity is generated.

In this embodiment, the driving shaft 202 drives the driving disc 203 to rotate and simultaneously drives the driving bevel gear 4 in interference fit therewith to rotate, so that the driven bevel gear 401 engaged with the driving bevel gear 4 rotates, so that the driven bevel gear 401 drives the driven shaft 402 in interference fit therewith to rotate, the driven shaft 402 rotates to drive the parent bevel gear 403 in interference fit therewith to rotate, so that the parent bevel gear 403 drives the two sub bevel gears 404 to rotate in opposite directions, so that the two sub bevel gears 404 respectively drive the forward rotating shaft 406 and the reverse rotating shaft 407 to rotate in opposite directions, so that the first friction disc 408 in interference fit with the forward rotating shaft 406 and the second friction disc 409 in interference fit with the reverse rotating shaft 407 generate high-speed relative rotation and friction, and the friction discs rub to carry static electricity, so as to adsorb dust in the transformer box 1, preventing it from adhering to the transformer body 102.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.