CN114412688A - A wind turbine overheating protection device - Google Patents

Abstract

The invention relates to the technical field of outdoor wind power generation, and discloses an overheating protection device of a wind generating set, which comprises a shell, wherein an equipment box is fixedly welded in an inner cavity of the shell, a warning lamp is fixedly connected in the inner cavity of the equipment box, a water storage box is fixedly connected to the top of the shell, a water inlet hole is formed in the top end of the inner cavity of the water storage box, a floating plate is arranged in the inner cavity of the water storage box, a slide rheostat is fixedly connected to the right side of the water storage box, and a drain pipe is connected to the left side of the inner cavity of the water storage box in a penetrating mode. The rivers whereabouts impact flabellum in the water filtering pipe inner chamber drives and rotates the wheel, and rotates the rotation of wheel and further drive and rotate the synchronous rotation of post, rotates the U type spout of post surface and can make the first slide bar and the second slide bar of its surface be reciprocating motion, and the rotation of rotating the post can drive first slide bar and be vertical reciprocating motion downwards, and the removal of first slide bar drives the guide bar of its bottom and cuts the magnetic induction of U type magnet repeatedly.

Description

A wind turbine overheating protection device

technical field

The invention relates to the technical field of outdoor wind power generation, in particular to an overheating protection device for a wind power generating set.

Background technique

Wind power refers to converting the kinetic energy of wind into electrical energy. Wind is a kind of energy without pollution. The use of wind power generation is very environmentally friendly, and the power that can be generated is very large. Therefore, more and more countries pay more attention to wind power generation. Existing wind power generation equipment is generally installed outdoors. The equipment box will overheat during use, the common cooling protection method is inefficient and the energy consumption is high

SUMMARY OF THE INVENTION

(1) Technical problems solved

In view of the deficiencies of the prior art, the present invention provides an overheat protection device for wind turbines, which can convert the circulation of water flow into electrical energy storage, and when the internal temperature of the equipment box is too high, open the tuyere to protect it from cooling through rainwater circulation It has the advantages of solving the low efficiency and high energy consumption of common cooling protection methods.

(2) Technical solutions

To achieve the above object, the present invention provides the following technical solutions:

An overheating protection device for a wind power generating set includes a casing, an equipment box is fixedly welded to the inner cavity of the casing, a warning light is fixedly connected to the inner cavity of the equipment box, a water storage tank is fixedly connected to the top of the casing, and The top of the inner cavity of the water storage tank is provided with a water inlet hole, the inner cavity of the water storage tank is provided with a floating plate, the right side of the water storage tank is fixedly connected with a sliding rheostat, and the left side of the inner cavity of the water storage tank A drain pipe is connected through it, a refracting prism is slidably connected to the inner cavity of the equipment box, a return spring is fixedly welded at both ends of the refracting prism, and a fixed magnet is fixedly welded at one end of the return spring away from the refracting prism, and the outer casing Two sides of the inner cavity are fixedly connected with inclined plates, and electromagnets are fixedly welded to the inner cavity of the inclined plates.

Preferably, the inner cavity of the casing is fixedly connected with a water filter pipe, the bottom of the inner cavity of the water filter pipe is rotatably connected with a rotating wheel, the outer surface of the rotating wheel is fixedly connected with fan blades, and the four fan blades form a center Symmetrically distributed on the outer surface of the rotating wheel, the side of the rotating wheel away from the water filter pipe is fixedly welded with a rotating column, and the outer surface of the rotating column is provided with a U-shaped chute, the rainwater enters the water filter pipe on the top of the shell, and the water The water flow in the inner cavity of the tube impacts the fan blade to drive the rotating wheel to rotate, and the rotation of the rotating wheel further drives the rotating column to rotate synchronously, and the U-shaped chute on the outer surface of the rotating column makes the first sliding rod on the outer surface and the second sliding rod on the outer surface rotate. The sliding rod reciprocates, so as to achieve the effect of partially converting the impact potential energy of the falling rain into dynamic potential energy.

Preferably, a first sliding rod is slidably connected to the front of the rotating column, a guide rod is fixedly connected to the bottom of the first sliding rod, and a storage box is fixedly welded to the bottom of the outer shell. The wall is fixedly welded with a U-shaped magnet, the bottom of the inner cavity of the storage box is fixedly connected with a battery, the back of the rotating column is slidably connected with a second sliding rod, and the top of the second sliding rod is fixedly connected with a cleaning brush, which rotates. The rotation of the column will drive the first slide bar to reciprocate vertically downward, and the movement of the first slide bar drives the guide bar at the bottom to repeatedly cut the magnetic induction line of the U-shaped magnet, and the output end of the guide bar is connected to the input end of the battery. At the same time, the second sliding rod on the back drives the cleaning brush to clean the warning light, so as to achieve the effect of converting the kinetic energy part into electrical energy storage power according to the Faraday principle.

Preferably, the bottom of the floating plate is fixedly welded with a blocking plate, and the inner cavity of the blocking plate is provided with a water discharge hole, the bottom of the water storage tank is fixedly connected to a limit box, and the outer surface of the limit box is connected to the outer surface of the outer shell. The inner surface is welded, the inner wall of the limit box is welded with a torsion spring, the end of the torsion spring away from the limit box is welded with a limit block, the outer surface of the blocking plate is movably connected with the inner surface of the limit box, and There are limited holes on the outer surface of the blocking plate. The rise of the water level inside the water tank will cause the floating plate to move upward, and the movement of the floating plate will drive the blocking plate to move upward. When the water storage tank stores enough water, the inner cavity of the blocking plate will move upward. The drain hole is just connected with the drain pipe, and then the water flow inside the water tank flows out through the drain pipe. At the same time, the movement of the blocking plate causes the limit block to incline in the opposite direction and is locked with the limit hole in the next position under the action of the torsion spring. Then, the movement of the blocking plate is prevented from slipping, so as to achieve the effect that the water level in the water storage tank reaches the critical point, and the water can be automatically drained in time to prevent overflow.

Preferably, a filter box is welded on the back of the shell, and a collection hole is opened on the top of the inner cavity of the filter box, and transportation pipes are fixedly connected on both sides of the inner cavity of the filter box, and the top and bottom of the inner cavity of the transportation pipe are fixedly connected. Both are fixedly connected with a water inlet pipe, and one end of the water inlet pipe away from the transport pipe is fixedly connected with a pressure box, rainwater enters the inner cavity of the filter box through the top collection hole of the filter box, and as the rainwater volume increases, the water flow in the inner cavity of the filter box passes The transport pipe flows into the water inlet pipe, and the water flow inside the water inlet pipe further flows into the inner wall of the air pressure box, thereby achieving the effect of using the collected rainwater for cleaning.

Preferably, a vent hole is opened on the front of the air pressure box, a rotating gear is rotatably connected to the inside of the air pressure box, and a caliper plate is meshed and connected to the side of the rotating gear away from the air pressure box, and the rear end of the caliper plate is connected. A concave rubber ring is welded, and the concave direction of the concave rubber ring is forward. A fixed suction cup is fixedly connected to the back of the air exchange pipe, and a rubber sealing ring is provided at the connection between the tail end of the ventilation pipe and the inner wall of the fixed suction cup. The movement of the caliper plate drives the concave rubber ring to move and the air inside the air pressure box is discharged out through the exhaust hole, and the water flow inside the air pressure box flows out through the discharge pipe, and the inside of the fixed suction cup is The ventilation pipe of the air copper lock enters the inner cavity of the air pressure box, and then the pressure inside the ventilation pipe is reduced and its adsorption force is increased, so as to achieve the effect of not destroying the installation surface while facilitating the fixing and dismounting of the shell and being not easy to fall off in rainy days.

Compared with the prior art, the present invention provides a wind turbine overheating protection device, which has the following beneficial effects:

1. This kind of overheating protection device for wind turbines drives the floating plate to move upward through the rise of rainwater. The movement of the floating plate toggles the resistance inside the sliding varistor, and the resistance inside the sliding varistor increases to reduce the magnetic force of the electromagnet, and when When the magnetic force of the upper electromagnet and the fixed magnet is less than the pulling force of the return spring, the fixed magnet moves in the direction of the refraction prism and the refraction prism moves downward to adjust the illumination range of the warning light, and the movement of the floating plate will drive the blocking plate to move upward, blocking the The water discharge hole in the inner cavity of the plate is just connected to the drain pipe, and the water flow inside the water storage tank flows out through the drain pipe. The effect of changing the irradiation range of the warning light according to the rainfall in rainy days is convenient for the staff to judge the rainfall according to the irradiation range.

2. This kind of wind turbine overheating protection device drives the rotating wheel to rotate through the falling of water flow in the inner cavity of the water filter to impact the fan blades, and the rotation of the rotating wheel further drives the rotating column to rotate synchronously. The groove will make the first sliding rod and the second sliding rod on the outer surface reciprocate, the rotation of the rotating column will drive the first sliding rod to reciprocate vertically downward, and the movement of the first sliding rod will drive the guide at its bottom. The bar repeatedly cuts the magnetic induction line of the U-shaped magnet, and the second sliding bar on the back drives the cleaning brush to clean the warning light, which can convert the circulation of water flow into electrical energy storage. When the temperature inside the equipment box is too high, open the air outlet to circulate rainwater Protect it from cooling.

3. In this wind turbine overheating protection device, rainwater enters the inner cavity of the filter box through the top collection hole of the filter box. As the volume of rainwater increases, the water flow in the inner cavity of the filter box flows into the water inlet pipe through the transport pipe, and the inner cavity of the water inlet pipe The water flow in the air tank enters the inner wall of the air pressure box and the impact drives the rotating gear to rotate. The rotation of the rotating gear drives the caliper plate meshed with it to move upwards. At the same time, the water flow inside the air pressure box flows out through the discharge pipe, and the air copper lock ventilation pipe inside the fixed suction cup enters the inner cavity of the air pressure box, and then the pressure inside the ventilation pipe is reduced and its adsorption force is increased, which facilitates installation and disassembly. function.

Description of drawings

Fig. 1 is the structural representation of the present invention;

2 is a schematic diagram of the structure of the back of the present invention;

FIG. 3 is a schematic top view of the partial structure of the suction cup of the present invention;

FIG. 4 is an enlarged schematic diagram of the area A in FIG. 1 of the present invention.

Fig. 5 is the enlarged schematic diagram of B region in Fig. 1 of the present invention;

FIG. 6 is an enlarged schematic diagram of the region C in FIG. 1 of the present invention.

In the picture: 1. Shell; 2. Equipment box; 3. Warning light; 4. Water tank; 5. Floating plate; 6. Sliding rheostat; 7. Drain pipe; 8. Refraction prism; 9. Return spring; 10. Fixed magnet; 11, inclined plate; 12, electromagnet; 13, water filter pipe; 14, rotating wheel; 15, fan blade; 16, rotating column; 17, first sliding rod; 18, guide rod; 19, storage box; 20, U-shaped magnet; 21, battery; 22, the second slide bar; 23, cleaning brush; 24, blocking plate; 25, limit box; 26, torsion spring; 27, limit block; 28, filter box; 29 30, water inlet pipe; 31, air pressure box; 32, rotating gear; 33, caliper plate; 34, concave rubber ring; 35, drain pipe; 36, ventilation pipe; 37, fixed suction cup; 38 thermistor; 39. Electromagnet; 40. Sealing plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work, all belong to the protection scope of the present invention.

Please refer to Figures 1-6, an overheating protection device for a wind turbine, including a casing 1, an equipment box 2 is fixedly welded to the inner cavity of the casing 1, a warning light 3 is fixedly connected to the inner cavity of the equipment box 2, and the top of the casing 1 is fixed A water storage tank 4 is connected, and the top of the inner cavity of the water storage tank 4 is provided with a water inlet hole, the inner cavity of the water storage tank 4 is provided with a floating plate 5, and a sliding rheostat 6 is fixedly connected to the right side of the water storage tank 4. The left side of the inner cavity of the water tank 4 is connected with a drain pipe 7 , and the inner cavity of the equipment box 2 is slidably connected with a refraction prism 8 . The fixed magnet 10 is fixedly welded, the two sides of the inner cavity of the casing 1 are fixedly connected with the inclined plate 11, the inner cavity of the inclined plate 11 is fixedly welded with the electromagnet 12, and the bottom of the floating plate 5 is fixedly welded with a blocking plate 24, and the blocking plate 24 There is a drain hole in the inner cavity of the water storage tank 4, the bottom of the water storage tank 4 is fixedly connected to the limit box 25, the outer surface of the limit box 25 is welded with the inner surface of the outer shell 1, and the inner wall of the limit box 25 is welded with a torsion spring 26. The torsion spring The end of 26 away from the limit box 25 is welded with a limit block 27, the outer surface of the blocking plate 24 is movably connected with the inner surface of the limit box 25, and the outer surface of the blocking plate 24 is provided with a limit hole, and the inner surface of the water storage tank 4 The rise of the water level will cause the floating plate 5 to move upward, and the movement of the floating plate 5 will drive the blocking plate 24 to move upward. When the water storage tank 4 stores enough water, the water discharge hole in the inner cavity of the blocking plate 24 is just connected to the drain pipe 7 , and then the water flow inside the water storage tank 4 flows out through the drain pipe 7, and at the same time, the movement of the blocking plate 24 causes the limit block 27 to incline in the opposite direction and is clamped with the limit hole in the next position under the action of the torsion spring 26, thereby preventing the The movement of the blocking plate 24 appears to slip, so that the water level in the water storage tank 4 reaches the critical point and can be automatically drained in time to prevent overflow.

The inner cavity of the housing 1 is fixedly connected with a water filter pipe 13, the bottom of the inner cavity of the water filter pipe 13 is rotatably connected with a rotating wheel 14, the outer surface of the rotating wheel 14 is fixedly connected with a fan blade 15, and the four fan blades 15 are symmetrically distributed in the center. On the outer surface of the wheel 14, the side of the rotating wheel 14 away from the water filter pipe 13 is fixedly welded with a rotating column 16, and the outer surface of the rotating column 16 is provided with a U-shaped chute. The water flow in the inner cavity of the water pipe 13 impacts the fan blade 15 to drive the rotating wheel 14 to rotate, and the rotation of the rotating wheel 14 further drives the rotating column 16 to rotate synchronously, and the U-shaped chute on the outer surface of the rotating column 16 will make the outer surface of the rotating column 16 rotate. The first sliding rod 17 and the second sliding rod 22 reciprocate, so as to achieve the effect of partially converting the impact potential energy of the falling rain into dynamic potential energy. The front side of the rotating column 16 is slidably connected with the first sliding rod 17. The bottom of 17 is fixedly connected with a guide rod 18, the bottom of the casing 1 is fixedly welded with a storage box 19, the rear wall of the inner cavity of the storage box 19 is fixedly welded with a U-shaped magnet 20, and the bottom of the inner cavity of the storage box 19 is fixedly connected with a battery 21, The back of the rotating column 16 is slidably connected with a second sliding rod 22, and the top of the second sliding rod 22 is fixedly connected with a cleaning brush 23. The rotation of the rotating column 16 will drive the first sliding rod 17 to reciprocate vertically downward, and the first sliding rod 17 is reciprocated vertically downward. The movement of a slide bar 17 drives the guide bar 18 at the bottom to repeatedly cut the magnetic induction line of the U-shaped magnet 20 , and the output end of the guide bar 18 is connected to the input end of the battery 21 , and the second slide bar 22 on the back drives the cleaning brush 23 The warning light 3 is cleaned, so as to achieve the effect of converting the kinetic energy part into electrical energy storage power according to Faraday's principle.

The back of the housing 1 is welded with a filter box 28, and the top of the inner cavity of the filter box 28 is provided with a collection hole, the two sides of the inner cavity of the filter box 28 are fixedly connected with a transport pipe 29, and the top and bottom of the inner cavity of the transport pipe 29 are fixedly connected. There is a water inlet pipe 30, and one end of the water inlet pipe 30 away from the transport pipe 29 is fixedly connected with an air pressure box 31, and rainwater enters the inner cavity of the filter box 28 through the top collection hole of the filter box 28. The water flow flows into the water inlet pipe 30 through the transport pipe 29, and the water flow inside the water inlet pipe 30 further flows into the inner wall of the air pressure box 31, thereby achieving the effect of using the collected rainwater for cleaning. A rotating gear 32 is rotatably connected to the inside of 31. A caliper plate 33 is meshed and connected to the side of the rotating gear 32 away from the air pressure box 31. The rear end of the caliper plate 33 is welded with a concave rubber ring 34, and the concave direction of the concave rubber ring 34 is In the front, a discharge pipe 35 is fixedly connected to the end of the inner cavity of the air pressure box 31, a ventilation pipe 36 is fixedly connected to the rear wall of the inner cavity of the air pressure box 31, and a fixed suction cup 37 is fixedly connected to the back of the air pressure box 31. A rubber sealing ring is provided at the connection of the inner wall of the fixed suction cup 37, the water flow in the inner cavity of the water inlet pipe 30 enters the inner wall of the air pressure box 31 and the impact drives the rotating gear 32 to rotate, and the rotation of the rotating gear 32 drives the caliper plate 33 meshingly connected with it upwards. Move, the movement of the caliper plate 33 drives the concave rubber ring 34 to move and the air inside the air pressure box 31 is discharged out through the exhaust hole, and the water flow inside the air pressure box 31 flows out through the drain pipe 35, and the air copper lock inside the suction cup 37 is fixed. The ventilation pipe 36 enters the inner cavity of the air pressure box 31, and then the pressure inside the ventilation pipe 36 is reduced and its adsorption force is increased, thereby achieving the effect of not destroying the installation surface while facilitating the fixing and dismounting of the housing 1 and not easily falling off in rainy weather.

Working principle: When the outdoor wall lamp encounters rainy days, the water storage tank 4 first collects the rainwater through the water inlet hole at the top. The rise of the rainwater simultaneously drives the floating plate 5 to move upward, and the movement of the floating plate 5 toggles the resistance inside the sliding rheostat 6. The increase in the internal resistance of the sliding varistor 6 reduces the magnetic force of the electromagnet 12, and when the magnetic force of the electromagnet 12 and the fixed magnet 10 above is smaller than the pulling force of the return spring 9, the fixed magnet 10 moves in the direction of the refraction prism 8 and the refraction prism 8 Move down to adjust the irradiation range of the warning light 3, and at the same time, the movement of the floating plate 5 will drive the blocking plate 24 to move upward, and the water discharge hole in the inner cavity of the blocking plate 24 is just connected to the drain pipe 7, and the water flow in the water storage tank 4 passes through the drainage. The pipe 7 flows out, and the movement of the blocking plate 24 causes the limit block 27 to incline in the opposite direction and is clamped with the limit hole of the next position under the action of the torsion spring 26, and the effect of changing the irradiation range of the warning light 3 according to the rainfall in rainy days, It is convenient for the staff to judge the rainfall according to the irradiation range.

When the temperature inside the equipment box 2 is too high, the resistance value of the temperature sensitive resistor 38 is the lowest, at this time the magnetic induction intensity of the electromagnet 39 increases, and the magnetic plate on the left side of the sealing plate 40 is opposite to the magnetic pole of the electromagnet 39, and then Adsorb the sealing plate to the inside, open the opening of the water filter pipe 13, rainwater enters the water filter pipe 13 on the top of the casing 1, and at the same time the water flow in the inner cavity of the water filter pipe 13 falls and impacts the fan blade 15 to drive the rotating wheel 14 to rotate, and the rotation of the rotating wheel 14 Further drive the rotating column 16 to rotate synchronously, and the U-shaped chute on the outer surface of the rotating column 16 will make the first sliding rod 17 and the second sliding rod 22 on the outer surface reciprocate, and the rotation of the rotating column 16 will drive the first sliding rod 16. The rod 17 reciprocates vertically downward, and the movement of the first sliding rod 17 drives the guide rod 18 at the bottom to repeatedly cut the magnetic induction line of the U-shaped magnet 20, and the output end of the guide rod 18 is connected with the input end of the battery 21. At the same time, the second sliding bar 22 on the back drives the cleaning brush 23 to clean the bottom of the equipment box 2. The battery 21 is connected to the temperature-sensitive resistor 38 through a wire, and the temperature-sensitive resistor 38 is connected to the electromagnet 39 through a wire. When the internal temperature of the equipment box 2 is too high, the air outlet is opened to protect it from cooling through the rainwater circulation.

The rainwater enters the inner cavity of the filter box 28 through the top collection hole of the filter box 28. As the volume of rainwater increases, the water flow in the inner cavity of the filter box 28 flows into the water inlet pipe 30 through the transport pipe 29, and the water flow in the inner cavity of the water inlet pipe 30 enters the air pressure box. The inner wall of 31 and the impact drive the rotating gear 32 to rotate, the rotation of the rotating gear 32 drives the caliper plate 33 meshed with it to move upward, the movement of the caliper plate 33 drives the concave rubber ring 34 to move, and the air inside the air box 31 passes through the exhaust hole At the same time, the water flow inside the air pressure box 31 flows out through the discharge pipe 35, and the air copper lock ventilation pipe 36 inside the fixed suction cup 37 enters the inner cavity of the air pressure box 31, and then the pressure inside the ventilation pipe 36 decreases and its adsorption force increases. It is large and has the function of easy installation and disassembly.

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

Claims (6)

1. The utility model provides a wind generating set overheat protection device, includes shell (1), its characterized in that: the device comprises a shell (1), an equipment box (2) is fixedly welded in an inner cavity of the shell (1), a warning lamp (3) is fixedly connected in the inner cavity of the equipment box (2), a water storage box (4) is fixedly connected at the top of the shell (1), a water inlet hole is formed in the top end of the inner cavity of the water storage box (4), a floating plate (5) is arranged in the inner cavity of the water storage box (4), a sliding rheostat (6) is fixedly connected on the right side of the water storage box (4), a drain pipe (7) is connected on the left side of the inner cavity of the water storage box (4) in a penetrating manner, a refraction prism (8) is slidably connected in the inner cavity of the equipment box (2), reset springs (9) are fixedly welded at two ends of the refraction prism (8), a fixed magnet (10) is fixedly welded at one end, away from the refraction prism (8), of each reset spring (9), inclined plates (11) are fixedly connected on two sides of the inner cavity of the shell (1), the inner chamber fixed welding of swash plate (11) has electro-magnet (12), thermistor (38) are installed to the inside top embedding of warning light (2).

2. The wind generating set overheat protection device of claim 1, wherein: the inner chamber fixedly connected with strainer (13) of shell (1), the inner chamber bottom of strainer (13) is rotated and is connected with and rotates wheel (14), the outer fixed surface of rotating wheel (14) is connected with flabellum (15), four flabellum (15) become central symmetric distribution at the surface of rotating wheel (14), one side fixed weld who keeps away from strainer (13) of rotating wheel (14) has rotation post (16), and rotates the surface of post (16) and seted up U type spout, the top sliding connection of strainer (13) has closing plate (40), the inboard of closing plate (40) all is provided with electro-magnet (39).

3. The wind generating set overheat protection device of claim 2, wherein: the utility model discloses a cleaning brush, including rotate the front sliding connection of post (16) and have first slide bar (17), stick (18) are led to the bottom fixedly connected with of first slide bar (17), the bottom fixed weld of shell (1) has savings case (19), the fixed weld of inner chamber back wall of savings case (19) has U type magnet (20), the inner chamber bottom fixedly connected with battery (21) of savings case (19), the back sliding connection who rotates post (16) has second slide bar (22), the top fixedly connected with cleaning brush (23) of second slide bar (22).

4. The wind generating set overheat protection device of claim 1, wherein: the bottom fixed welding of kickboard (5) has the baffle (24), and the inner chamber of baffle (24) has seted up the hole of draining, the bottom fixedly connected with spacing box (25) of water storage box (4), the surface of spacing box (25) and the interior surface welding of shell (1), the inner wall welding of spacing box (25) has torque spring (26), the one end welding of keeping away from spacing box (25) of torque spring (26) has stopper (27), the surface of baffle (24) and the interior surface swing joint of spacing box (25), and the surface of baffle (24) has seted up spacing hole.

5. The wind generating set overheat protection device of claim 1, wherein: the back welding of shell (1) has rose box (28), and the collection hole has been seted up at the inner chamber top of rose box (28), the inner chamber both sides fixedly connected with transport pipe (29) of rose box (28), the inner chamber top and the bottom of transport pipe (29) all are fixed the intercommunication have inlet tube (30), the fixed intercommunication of one end that transport pipe (29) were kept away from in inlet tube (30) has atmospheric pressure case (31).

6. The wind generating set overheat protection device of claim 1, wherein: the ventilation structure is characterized in that the front of the air pressure box (31) is provided with an exhaust hole, a rotating gear (32) is rotatably connected inside the air pressure box (31), one side, far away from the air pressure box (31), of the rotating gear (32) is connected with a caliper plate (33) in a meshing mode, a concave rubber ring (34) is welded at the tail end of the caliper plate (33), the concave direction of the concave rubber ring (34) is the front direction, the tail end of the inner cavity of the air pressure box (31) is fixedly connected with a drainage pipe (35), the rear wall of the inner cavity of the air pressure box (31) is fixedly connected with a ventilation pipe (36), the back of the air pressure box (31) is fixedly connected with a fixed suction cup (37), and a rubber sealing ring is arranged at the connection position of the tail end of the ventilation pipe (36) and the inner wall of the fixed suction cup (37).

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