CN115842448A

CN115842448A - Built-in cooling device and cooling method for wind driven generator

Info

Publication number: CN115842448A
Application number: CN202310021783.0A
Authority: CN
Inventors: 董树贤; 白小飞; 陈勇; 殷岳
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-03-24

Abstract

The invention discloses a built-in cooling device and a cooling method for a wind driven generator, and belongs to the technical field of wind driven generators. A built-in cooling device for a wind driven generator comprises a mounting plate arranged on the upper side of a supporting tower, wherein a cooling shell is arranged on the mounting plate, a mounting seat is fixedly arranged in the cooling shell, a generator body is arranged on the mounting seat, the output end of the generator body is connected with a transmission shaft, one end, far away from the generator body, of the transmission shaft penetrates through the cooling shell and is connected with fan blades, the transmission shaft is provided with cooling fan blades, two sides of the bottom of the cooling shell are respectively provided with an air inlet and an air outlet, the air inlet is provided with a drying mechanism for drying air and a cooling mechanism for reducing the temperature of the air, and the cooling shell is provided with an electric assembly for driving the drying mechanism and the cooling mechanism to alternately work; the invention can keep the air entering from the air inlet dry and at low temperature, ensure the cooling effect on the generator and prolong the service life of the generator.

Description

Built-in cooling device and cooling method for wind driven generator

Technical Field

The invention relates to the technical field of wind driven generators, in particular to a built-in cooling device and a cooling method for a wind driven generator.

Background

Wind power generation mainly converts wind energy in renewable energy sources into electric energy, and compared with other power generation modes, the wind power generation has certain advantages: (1) The wind energy is in the form of renewable energy, which is beneficial to the sustainable development of energy; (2) is beneficial to protecting the environment; (3) With the gradual maturity of wind power technology, the wind power cost is lower and lower, and the wind power cost can compete with other energy forms. Therefore, wind power generation technology is receiving attention from the industry and is developing more and more mature.

In the prior art, a general wind driven generator generates heat when performing wind power generation, and a heat dissipation port is formed in the surface of a shell so that the heat can be dissipated in time. Chinese patent No. CN202222387459.4 discloses a cooling device for wind driven generator in prior art, which is characterized in that an air inlet and an air outlet are arranged on the lower surface of a heat dissipation cover, so that rainwater can not enter the heat dissipation cover through the air inlet and the air outlet in rainy days, and the heat dissipation performance is considered, and meanwhile, the rainwater is prevented from entering the equipment, and the service life of the equipment is ensured. However, in the specific use process, the defects still exist, when the generator is in rainy or snowy or cold weather, the air entering from the air inlet is relatively wet and cold, and the moisture in the air enters the generator to influence the generator body; when being in high temperature weather simultaneously, the air temperature of following the air intake entering is higher, and is relatively poor to the inside cooling effect of generator, leads to the life reduction of aerogenerator main part.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a built-in cooling device and a cooling method for a wind driven generator.

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

the utility model provides a aerogenerator is with built-in heat sink, is including setting up the mounting panel at the support tower upside, install the heat dissipation casing on the mounting panel, the inside of heat dissipation casing has set firmly the mount pad, be provided with the generator body on the mount pad, the output of generator body is connected with the transmission shaft, the one end that the generator body was kept away from to the transmission shaft is passed the heat dissipation casing and is connected with the fan blade, be provided with the heat dissipation flabellum on the transmission shaft, air intake and air outlet have been seted up respectively to the bottom both sides of heat dissipation casing, air intake department is provided with the stoving mechanism that is used for dry air and is used for reducing the cooling mechanism of air temperature, be provided with the electric component who is used for drive stoving mechanism and cooling mechanism alternative work on the heat dissipation casing.

Preferably, the air inlet and the air outlet are internally provided with a first filter screen.

Preferably, cooling mechanism is including setting up the connecting pipe in air intake department, the connecting pipe links to each other with the mounting panel is fixed, the ring channel has been seted up in the connecting pipe, be provided with the sponge layer in the ring channel, the sponge layer outside is connected with the rope that absorbs water, the rope that absorbs water passes the connecting pipe and outwards extends, the connecting pipe outside is provided with the pipe, it arranges in the pipe to absorb water the rope, the bottom of pipe is connected with flexible pipe, the one end that the pipe was kept away from to flexible pipe is provided with the header tank, header tank sliding connection is on the connecting pipe, it arranges in the header tank to absorb water the rope.

Preferably, the water collecting tank outside intercommunication has the inlet tube, the one end that the water collecting tank was kept away from to the inlet tube is provided with into water and fights, it is provided with the second filter screen on fighting to intake.

Preferably, stoving mechanism is including setting up the stoving pipe in the connecting pipe bottom, gas outlet and air inlet have been seted up respectively at the upper and lower both ends of stoving pipe, be provided with the spiral pipe between gas outlet and the air inlet, the heating chamber has been seted up on the stoving pipe, air outlet department is connected with the air-out fill, the intercommunication has the honeycomb duct between air-out fill and the heating chamber, the stoving outside still is connected with the gas vent that communicates each other with the heating chamber.

Preferably, the electric assembly comprises a control module arranged on the heat dissipation shell, the heat dissipation shell is provided with a temperature sensor and a humidity sensor which are electrically connected with the control module, the mounting plate is provided with an electric telescopic handle which is electrically connected with the control module, and one end, far away from the mounting plate, of the electric telescopic handle is fixedly connected with the water collecting tank.

Preferably, the electrical assembly further comprises a sliding plate arranged on the air outlet hopper in a sliding manner, a first elastic element is arranged between the sliding plate and the air outlet hopper, a through hole used for communicating the air outlet hopper and the flow guide pipe is formed in the sliding plate, an exhaust channel communicated with the through hole is further formed in the sliding plate, a pull rope is arranged between the sliding plate and the water collecting tank, a U-shaped guide rod is arranged at the bottom of the mounting plate, and the pull rope is connected to the U-shaped guide rod in a sliding manner.

Preferably, the air intake department is provided with the drying cabinet, the drying cabinet sets up in the radiating shell, the inside packing of drying cabinet is equipped with the drier granule, the gas pocket that is used for the air flow is all seted up to the upper and lower both sides of drying cabinet.

Preferably, a second elastic element is arranged between the drying box and the inner wall of the heat dissipation shell, one end, away from the second elastic element, of the drying box is connected with a sliding rod, the sliding rod is connected to the mounting seat in a sliding mode, a stress plate is arranged on the sliding rod, and a push rod which is movably abutted to the stress plate is arranged on the transmission shaft.

The invention also discloses a cooling method of the built-in cooling device for the wind driven generator, which further comprises the following steps:

s1: when the device is used, the fan blades are blown by external wind to rotate, the fan blades drive the transmission shaft to rotate, and then the generator body generates electricity, the transmission shaft drives the radiating fan blades to rotate when rotating, airflow is formed to blow the generator body, external air enters the radiating shell through the air inlet to blow the generator body, and hot air can be discharged through the air outlet under the action of the airflow;

s2: the temperature and the humidity of the outside air are detected through the electric assembly, the drying mechanism and the cooling mechanism are driven to work alternately, and the air entering the air inlet is dried or cooled;

s3: when the humidity of the air outside the device is detected to be high, the electric telescopic rod pushes the water collecting tank to move downwards, so that the water absorbing rope is no longer positioned at the bottom of the water collecting tank and is no longer in contact with the water in the water collecting tank, the sponge layer cannot continuously absorb the water in the water collecting tank through the water absorbing rope to be wetted, the water collecting tank moves downwards to pull the pull rope to move, the pull rope drives the sliding plate to move, an exhaust passage on the sliding plate is no longer communicated with the outside atmosphere, at the moment, the air discharged from the air outlet enters the guide pipe through the through hole in the sliding plate and enters the heating cavity of the drying pipe through the guide pipe, the temperature of the drying pipe is increased to carry out drying treatment on the humid air entering from the air inlet of the drying pipe, and the air entering from the air inlet is kept dry;

s4: when the temperature that detects the device external world is higher, electric telescopic handle drives the header tank and resets and shifts up, the header tank no longer pulls the stay cord, the slide resets under first elastic element's elasticity pulling, make exhaust passage communicate with external atmosphere again, the through-hole of slide is by the shutoff, the air of following air outlet exhaust at this moment directly discharges through exhaust passage, shifting up of header tank makes the bottom of water uptake rope arrange the header tank again in, the sponge layer is moistened through the water contact of water uptake rope in with the header tank, the higher air of temperature that gets into from the drying tube air inlet this moment can pass through the sponge layer, the air blows in the connecting tube, the evaporation of moisture on the sponge layer absorbs the heat to the higher air of temperature, make the air temperature that gets into the air intake reduce, carry out high-efficient heat dissipation to the generator body.

Compared with the prior art, the invention provides a built-in cooling device and a cooling method for a wind driven generator, which have the following beneficial effects:

1. according to the built-in cooling device and the cooling method for the wind driven generator, the temperature and the humidity of the outside air are detected through the electrical assembly, the drying mechanism and the cooling mechanism are driven to work alternately, and the air entering the air inlet is dried or cooled, so that the air entering the air inlet can be kept dry and at a low temperature, the cooling effect on the generator is ensured, and the service life of the generator is prolonged.

2. According to the built-in cooling device and the cooling method for the wind driven generator, air exhausted from the air outlet can enter the guide pipe through the through hole in the sliding plate and enter the heating cavity of the drying pipe through the guide pipe, so that the temperature of the drying pipe rises to dry humid air entering from the air inlet of the drying pipe, the air entering from the air inlet is kept dry, the humid water vapor is prevented from entering the device, and the service life of the generator is shortened.

3. This aerogenerator makes the sponge layer moist with the water contact in the header tank through the rope that absorbs water, and the higher air of temperature that gets into from the drying duct air inlet can pass through the sponge layer this moment, and the air blows in the connecting tube, and the evaporation of water on the sponge layer carries out the heat absorption to the higher air of temperature, makes the air temperature who gets into the air intake reduce, carries out high-efficient heat dissipation to the generator body, improves the cooling radiating effect to the generator.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of a portion of portion B of FIG. 2 according to the present invention;

FIG. 5 is a schematic cross-sectional view of the air outlet scoop of the present invention;

FIG. 6 is a schematic cross-sectional view of a connecting pipe and a drying pipe according to the present invention;

fig. 7 is an external structural view of a water collecting tank of the present invention.

In the figure: 1. mounting a plate; 2. a heat dissipating housing; 201. an air inlet; 202. an air outlet; 203. a first filter screen; 3. a mounting seat; 301. a generator body; 302. a drive shaft; 3021. a push rod; 303. a fan blade; 4. a heat dissipation fan blade; 5. a connecting pipe; 501. a sponge layer; 502. a water absorption rope; 503. a conduit; 504. a telescopic pipe; 6. a water collection tank; 601. a water inlet pipe; 602. a water inlet hopper; 603. a second filter screen; 7. a drying duct; 701. an air outlet; 702. an air inlet; 703. a spiral tube; 704. a heating cavity; 705. an exhaust port; 8. an air outlet hopper; 9. a flow guide pipe; 10. a temperature sensor; 11. a humidity sensor; 12. an electric telescopic rod; 13. a slide plate; 131. a through hole; 132. an exhaust passage; 133. a first elastic element; 14. a U-shaped guide rod; 141. pulling a rope; 15. a drying oven; 151. a second elastic element; 152. a slide bar; 153. a stress plate.

Detailed Description

The technical solution 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; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope 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; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; 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, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, a built-in cooling device for a wind power generator, including a mounting plate 1 disposed on an upper side of a support tower, a heat dissipation housing 2 is mounted on the mounting plate 1, a mounting seat 3 is fixedly disposed inside the heat dissipation housing 2, a generator body 301 is disposed on the mounting seat 3, an output end of the generator body 301 is connected with a transmission shaft 302, one end of the transmission shaft 302, which is far away from the generator body 301, penetrates through the heat dissipation housing 2 and is connected with fan blades 303, the transmission shaft 302 is provided with heat dissipation fan blades 4, an air inlet 201 and an air outlet 202 are respectively disposed on two sides of the bottom of the heat dissipation housing 2, the air inlet 201 is provided with a drying mechanism for drying air and a cooling mechanism for reducing air temperature, and the heat dissipation housing 2 is provided with an electrical component for driving the drying mechanism and the cooling mechanism to work alternately.

Specifically, when the device is used, the fan blade 303 is blown by external wind to rotate, the fan blade 303 drives the transmission shaft 302 to rotate, the transmission shaft 302 can be provided with a gear meshing transmission mechanism to enable the transmission shaft 302 to rotate in a differential mode, so that the generator body 301 generates electricity, the transmission shaft 302 drives the heat dissipation fan blade 4 to rotate when rotating, airflow is formed to blow the generator body 301, the external air enters the heat dissipation shell 2 through the air inlet 201 to blow the generator body 301, hot air can be discharged through the air outlet 202 under the action of the airflow, circulating airflow can be formed to blow the generator body 301 under the action of the heat dissipation fan blade 4, the temperature and the humidity of the external air are detected through the electrical component, the drying mechanism and the cooling mechanism are driven to work alternately, the air entering the air inlet 201 is dried or cooled, the air entering from the air inlet 201 is kept dry and at a low temperature, the cooling effect of the generator is ensured, and the service life of the generator is prolonged.

Referring to fig. 2 and 3, as a preferred technical solution of the present invention, a first filter screen 203 is disposed in both the air inlet 201 and the air outlet 202; specifically, through setting up first filter screen 203 in air intake 201 and air outlet 202 department, avoid outside dust impurity to get into inside heat dissipation casing 2, guarantee the life of generator.

Referring to fig. 2, fig. 4, fig. 6 and fig. 7, as a preferred technical solution of the present invention, the cooling mechanism includes a connecting pipe 5 disposed at the air inlet 201, the connecting pipe 5 is fixedly connected to the mounting plate 1, an annular groove is disposed in the connecting pipe 5, a sponge layer 501 is disposed in the annular groove, a water absorption rope 502 is connected to an outer side of the sponge layer 501, the water absorption rope 502 passes through the connecting pipe 5 and extends outward, a guide pipe 503 is disposed on an outer side of the connecting pipe 5, the water absorption rope 502 is disposed in the guide pipe 503, a telescopic pipe 504 is connected to a bottom of the guide pipe 503, a water collecting tank 6 is disposed at one end of the telescopic pipe 504 away from the guide pipe 503, the water collecting tank 6 is slidably connected to the connecting pipe 5, and the water absorption rope 502 is disposed in the water collecting tank 6; specifically, the water contact of the rope 502 that absorbs water in and the header tank 6 and then make sponge layer 501 moistened, and the higher air of the temperature that gets into from connecting pipe 5 this moment can pass through sponge layer 501, and the air blows in connecting pipe 5, and the evaporation of moisture on sponge layer 501 carries out the heat absorption to the higher air of temperature, makes the air temperature who gets into air intake 201 reduce, carries out high-efficient heat dissipation to generator body 301.

Referring to fig. 6 and 7, as a preferred technical solution of the present invention, a water inlet pipe 601 is communicated with the outer side of the water collecting tank 6, a water inlet hopper 602 is arranged at one end of the water inlet pipe 601 far away from the water collecting tank 6, and a second filter screen 603 is arranged on the water inlet hopper 602; specifically, the rainwater is received to the fill 602 of intaking that the accessible set up when the rainy day, and the setting of second filter screen 603 can intercept external impurity and filter, avoids impurity to get into in the header tank 6.

Referring to fig. 2, 5 and 6, as a preferred technical solution of the present invention, the drying mechanism includes a drying pipe 7 disposed at the bottom of the connecting pipe 5, an air outlet 701 and an air inlet 702 are respectively disposed at the upper and lower ends of the drying pipe 7, a spiral pipe 703 is disposed between the air outlet 701 and the air inlet 702, a heating chamber 704 is disposed on the drying pipe 7, an air outlet scoop 8 is connected to the air outlet 202, a flow guide pipe 9 is communicated between the air outlet scoop 8 and the heating chamber 704, and an air outlet 705 communicated with the heating chamber 704 is further connected to the outer side of the drying pipe 7; specifically, the higher air of heat dissipation casing 2 from air outlet 202 exhaust temperature can get into honeycomb duct 9 through air outlet scoop 8, and get into the heating chamber 704 of drying duct 7 through honeycomb duct 9, thereby make drying duct 7 temperature rise and carry out drying process to the humid air that gets into from drying duct 7 air inlet 702, make the air that gets into from air intake 201 keep dry, avoid inside moist steam admission apparatus, reduce the life of generator, the setting up of spiral pipe 703 makes the air prolong flow distance in limited air, and then carry out abundant drying process to the air.

Referring to fig. 1, 2, 3, 4, 5 and 6, as a preferred technical solution of the present invention, the electrical component includes a control module disposed on the heat dissipation housing 2, the heat dissipation housing 2 is provided with a temperature sensor 10 and a humidity sensor 11 electrically connected to the control module, the mounting plate 1 is provided with an electric telescopic rod 12 electrically connected to the control module, and one end of the electric telescopic rod 12 far away from the mounting plate 1 is fixedly connected to the water collection tank 6.

Further, the electrical assembly further comprises a sliding plate 13 arranged on the air outlet hopper 8 in a sliding manner, a first elastic element 133 is arranged between the sliding plate 13 and the air outlet hopper 8, a through hole 131 used for communicating the air outlet hopper 8 with the flow guide pipe 9 is formed in the sliding plate 13, an exhaust passage 132 communicated with the through hole 131 is further formed in the sliding plate 13, a pull rope 141 is arranged between the sliding plate 13 and the water collecting tank 6, a U-shaped guide rod 14 is arranged at the bottom of the mounting plate 1, and the pull rope 141 is connected to the U-shaped guide rod 14 in a sliding manner.

Specifically, the temperature sensor 10 and the humidity sensor 11 of the electrical assembly detect the temperature and the humidity of the outside air, the drying mechanism and the cooling mechanism are driven to alternately work, the air entering the air inlet 201 is dried or cooled, when the humidity of the outside air of the device is detected to be high, the electric telescopic rod 12 pushes the water collecting tank 6 to move downwards, so that the water absorbing rope 502 is no longer at the bottom of the water collecting tank 6, the water absorbing rope 502 is no longer in contact with the water in the water collecting tank 6, the sponge layer 501 cannot continuously absorb the water in the water collecting tank 6 through the water absorbing rope 502 to be wetted, the water collecting tank 6 moves downwards to pull the pull rope 141 to move, the pull rope 141 drives the sliding plate 13 to move, the exhaust passage 132 on the sliding plate 13 is no longer communicated with the outside atmosphere, at the moment, the air discharged from the air outlet 202 enters the draft tube 9 through the through holes 131 on the sliding plate 13, and heats the drying tube 7 and the air flowing inside; when the external temperature of the device is detected to be high, the electric telescopic rod 12 drives the water collecting tank 6 to reset and move upwards, the water collecting tank 6 does not pull the pull rope 141 any more, the sliding plate 13 resets under the elastic force of the first elastic element 133, so that the exhaust passage 132 is communicated with the external atmosphere again, the through hole 131 of the sliding plate 13 is blocked, the air discharged from the air outlet 202 is directly discharged through the exhaust passage 132, the water collecting tank 6 moves upwards to enable the water absorbing rope 502 to be placed at the bottom of the water collecting tank 6 again, the sponge layer 501 is wetted by the contact of the water in the water collecting tank 6 through the water absorbing rope 502, and the evaporation of the water cools the entering air with high temperature.

Referring to fig. 2 and 3, as a preferred technical solution of the present invention, a drying box 15 is disposed at an air inlet 201, the drying box 15 is disposed in a heat dissipation housing 2, drying agent particles are filled in the drying box 15, and air holes for air flowing are formed at both upper and lower sides of the drying box 15; specifically, by arranging the drying box 15 at the air inlet 201, the damp air which is not completely dried by the drying mechanism or the moisture carried on the sponge layer 501 can be dried, so that the air entering the heat dissipation housing 2 is in a dry state.

Referring to fig. 2 and 3, as a preferred technical solution of the present invention, a second elastic element 151 is disposed between the drying box 15 and the inner wall of the heat dissipation housing 2, one end of the drying box 15 away from the second elastic element 151 is connected with a slide rod 152, the slide rod 152 is slidably connected to the mounting base 3, a force-bearing plate 153 is disposed on the slide rod 152, and a push rod 3021 movably abutted to the force-bearing plate 153 is disposed on the transmission shaft 302; specifically, the transmission shaft 302 drives the push rod 3021 to rotate when rotating, the push rod 3021 intermittently offsets with the stress plate 153 during the rotation process, so that the stress plate 153 drives the drying box 15 to move through the slide rod 152, and then the stress plate resets and moves under the tensile force of the second elastic element 151, so that the drying box 15 rocks at the air inlet 201, and further, the desiccant particles inside the drying box 15 are fully contacted with the air, the desiccant is prevented from being fixed, only a small part of the desiccant particles are contacted with the flowing air, and the drying effect of the air flowing through the air inlet 201 is improved.

s1: when the device is used, the fan blades 303 are blown by external wind to rotate, the fan blades 303 drive the transmission shaft 302 to rotate, so that the generator body 301 generates electricity, the transmission shaft 302 drives the radiating fan blades 4 to rotate when rotating, airflow is formed to blow the generator body 301, the external air enters the radiating shell 2 through the air inlet 201 to blow the generator body 301, and the hot air can be discharged through the air outlet 202 under the action of the airflow;

s2: the temperature and the humidity of the outside air are detected through the electric assembly, the drying mechanism and the cooling mechanism are driven to work alternately, and the air entering the air inlet 201 is dried or cooled;

s3: when the humidity of the air outside the device is detected to be high, the electric telescopic rod 12 pushes the water collecting tank 6 to move downwards, so that the water absorbing rope 502 is no longer positioned at the bottom of the water collecting tank 6, the water absorbing rope 502 is no longer in contact with the water in the water collecting tank 6, the sponge layer 501 cannot continuously absorb the water in the water collecting tank 6 through the water absorbing rope 502 to be wetted, the downward movement of the water collecting tank 6 pulls the pull rope 141 to move, the pull rope 141 drives the sliding plate 13 to move, the exhaust passage 132 on the sliding plate 13 is no longer communicated with the outside atmosphere, at the moment, the air discharged from the air outlet 202 enters the guide pipe 9 through the through hole 131 on the sliding plate 13 and enters the heating cavity 704 of the drying pipe 7 through the guide pipe 9, the temperature of the drying pipe 7 is increased, the moist air entering from the air inlet 702 of the drying pipe 7 is dried, and the air entering from the air inlet 201 is kept dry;

s4: when the external temperature of the device is detected to be high, the electric telescopic rod 12 drives the water collecting tank 6 to reset and move upwards, the water collecting tank 6 is not pulled to the pull rope 141 any more, the sliding plate 13 resets under the elastic pulling of the first elastic element 133, the exhaust passage 132 is communicated with the external atmosphere again, the through hole 131 of the sliding plate 13 is blocked, the air discharged from the air outlet 202 is directly discharged through the exhaust passage 132, the water collecting tank 6 moves upwards to enable the water absorbing rope 502 to be placed at the bottom of the water collecting tank 6 again, the sponge layer 501 is wetted through the water contact between the water absorbing rope 502 and the water collecting tank 6, the air with high temperature entering from the air inlet 702 of the drying pipe 7 can pass through the sponge layer 501 at the moment, the air is blown in the connecting pipe 5, the water evaporation on the sponge layer 501 absorbs the heat of the air with high temperature, the air temperature entering the air inlet 201 is reduced, and the generator body 301 is efficiently cooled.

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.

Claims

1. The utility model provides a aerogenerator is with built-in heat sink, is including setting up mounting panel (1) at the support tower upside, a serial communication port, install heat dissipation casing (2) on mounting panel (1), the inside of heat dissipation casing (2) has set firmly mount pad (3), be provided with generator body (301) on mount pad (3), the output of generator body (301) is connected with transmission shaft (302), the one end that generator body (301) were kept away from in transmission shaft (302) is passed heat dissipation casing (2) and is connected with wind leaf (303), be provided with heat dissipation flabellum (4) on transmission shaft (302), air intake (201) and air outlet (202) have been seted up respectively to the bottom both sides of heat dissipation casing (2), air intake (201) department is provided with the stoving mechanism that is used for dry air and is used for reducing air temperature's cooling mechanism, be provided with the electric component that is used for drive stoving mechanism and cooling mechanism work in turn on heat dissipation casing (2).

2. The built-in cooling device for the wind driven generator according to claim 1, wherein a first filter screen (203) is arranged in each of the air inlet (201) and the air outlet (202).

3. The built-in cooling device for the wind driven generator according to claim 2, wherein the cooling mechanism comprises a connecting pipe (5) arranged at the air inlet (201), the connecting pipe (5) is fixedly connected with the mounting plate (1), an annular groove is formed in the connecting pipe (5), a sponge layer (501) is arranged in the annular groove, a water absorption rope (502) is connected to the outer side of the sponge layer (501), the water absorption rope (502) penetrates through the connecting pipe (5) and extends outwards, a guide pipe (503) is arranged on the outer side of the connecting pipe (5), the water absorption rope (502) is arranged in the guide pipe (503), a telescopic pipe (504) is connected to the bottom of the guide pipe (503), a water collection tank (6) is arranged at one end, far away from the guide pipe (503), of the telescopic pipe (504), the water collection tank (6) is slidably connected to the connecting pipe (5), and the water absorption rope (502) is arranged in the water collection tank (6).

4. The built-in cooling device for the wind driven generator according to claim 3, wherein a water inlet pipe (601) is communicated with the outer side of the water collecting tank (6), a water inlet hopper (602) is arranged at one end of the water inlet pipe (601) far away from the water collecting tank (6), and a second filter screen (603) is arranged on the water inlet hopper (602).

5. The built-in cooling device for the wind driven generator according to claim 3, wherein the drying mechanism comprises a drying pipe (7) arranged at the bottom of the connecting pipe (5), an air outlet (701) and an air inlet (702) are respectively formed at the upper end and the lower end of the drying pipe (7), a spiral pipe (703) is arranged between the air outlet (701) and the air inlet (702), a heating cavity (704) is formed in the drying pipe (7), an air outlet hopper (8) is connected to the air outlet (202), a guide pipe (9) is communicated between the air outlet hopper (8) and the heating cavity (704), and an air outlet (705) communicated with the heating cavity (704) is further connected to the outer side of the drying pipe (7).

6. The built-in cooling device for the wind driven generator according to claim 5, wherein the electrical assembly comprises a control module disposed on the heat dissipation housing (2), the heat dissipation housing (2) is provided with a temperature sensor (10) and a humidity sensor (11) electrically connected with the control module, the mounting plate (1) is provided with an electric telescopic rod (12) electrically connected with the control module, and one end of the electric telescopic rod (12) far away from the mounting plate (1) is fixedly connected with the water collection tank (6).

7. The built-in cooling device for the wind driven generator according to claim 6, wherein the electrical assembly further comprises a sliding plate (13) slidably disposed on the wind outlet hopper (8), a first elastic element (133) is disposed between the sliding plate (13) and the wind outlet hopper (8), a through hole (131) for communicating the wind outlet hopper (8) and the guide pipe (9) is formed in the sliding plate (13), an exhaust passage (132) communicated with the through hole (131) is further formed in the sliding plate (13), a pull rope (141) is disposed between the sliding plate (13) and the water collecting tank (6), a U-shaped guide rod (14) is disposed at the bottom of the mounting plate (1), and the pull rope (141) is slidably connected to the U-shaped guide rod (14).

8. The built-in cooling device for the wind driven generator according to claim 1, wherein a drying box (15) is arranged at the air inlet (201), the drying box (15) is arranged in the heat dissipation shell (2), desiccant particles are filled in the drying box (15), and air holes for air flow are formed in the upper side and the lower side of the drying box (15).

9. The built-in cooling device for the wind driven generator according to claim 8, wherein a second elastic element (151) is disposed between the drying box (15) and the inner wall of the heat dissipation housing (2), a sliding rod (152) is connected to one end of the drying box (15) far away from the second elastic element (151), the sliding rod (152) is slidably connected to the mounting seat (3), a stress plate (153) is disposed on the sliding rod (152), and a push rod (3021) movably abutted against the stress plate (153) is disposed on the transmission shaft (302).

10. A method for cooling an internal cooling device for a wind turbine generator according to any of claims 1 to 9, further comprising the steps of:

s1: when the device is used, the fan blade (303) is blown by external wind to rotate, the fan blade (303) drives the transmission shaft (302) to rotate, so that the generator body (301) generates electricity, the transmission shaft (302) drives the heat dissipation fan blade (4) to rotate when rotating, airflow is formed to blow the generator body (301), the external air enters the heat dissipation shell (2) through the air inlet (201) to blow the generator body (301), and the hot air can be discharged through the air outlet (202) under the action of the airflow;

s2: the temperature and the humidity of the outside air are detected through the electric assembly, the drying mechanism and the cooling mechanism are driven to work alternately, and the air entering the air inlet (201) is dried or cooled;

s3: when the humidity of the air outside the device is detected to be high, the electric telescopic rod (12) pushes the water collecting tank (6) to move downwards, so that the water absorbing rope (502) is no longer positioned at the bottom of the water collecting tank (6), the water absorbing rope (502) is no longer in contact with the water in the water collecting tank (6), the sponge layer (501) cannot continuously absorb the water in the water collecting tank (6) through the water absorbing rope (502) to be wetted, the downward movement of the water collecting tank (6) pulls the pull rope (141) to move, the pull rope (141) drives the sliding plate (13) to move, the exhaust channel (132) on the sliding plate (13) is no longer communicated with the outside atmosphere, at the moment, the air exhausted from the air outlet (202) enters the guide pipe (9) through the through hole (131) on the sliding plate (13) and enters the heating cavity (704) of the drying pipe (7) through the guide pipe (9), the temperature of the drying pipe (7) is increased, the moist air entering from the air inlet (702) of the drying pipe (7) is dried, and the air entering from the air inlet (201) is kept dry;

s4: when the external temperature of the device is detected to be high, the electric telescopic rod (12) drives the water collecting tank (6) to reset and move upwards, the water collecting tank (6) is not pulled to the pull rope (141), the sliding plate (13) resets under the elastic pulling of the first elastic element (133), the exhaust channel (132) is communicated with the external atmosphere again, the through hole (131) of the sliding plate (13) is blocked, the air exhausted from the air outlet (202) is directly exhausted through the exhaust channel (132), the water collecting tank (6) moves upwards to enable the water absorbing rope (502) to be placed at the bottom of the water collecting tank (6) again, the sponge layer (501) is wetted by the contact of the water in the water collecting tank (6) through the water absorbing rope (502), the air entering from the air inlet (702) of the drying pipe (7) at the moment and with high temperature can pass through the sponge layer (501), the air is blown in the connecting pipe (5), the evaporation of the water on the sponge layer (501) absorbs the heat of the air with high temperature, the temperature of the air entering the air inlet (201) is reduced, and the generator body (301) is efficiently cooled.