Heat dissipation device for wind driven generator
Technical Field
The utility model relates to a wind power generation technical field especially relates to a heat abstractor for aerogenerator.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. Wind energy is solar energy in a broad sense, so that a wind driven generator is a heat energy utilization generator which takes the sun as a heat source and the atmosphere as a working medium, is a clean energy source without pollution, is widely applied at present, and the total amount of wind power generation in China is more than 5% of the total power generation amount and is also in a high-speed growth stage.
In the process of wind power generation, the generator can generate a large amount of heat, and the heat cannot be discharged in time, so that the normal operation of the generator can be seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a heat dissipation device for a wind driven generator.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a heat dissipation device for a wind driven generator comprises a rear cover connecting shell, wherein the inner side surface of the rear cover connecting shell is fixedly connected with a plurality of first connecting supports, the other ends of the first connecting supports are fixedly connected with first fixing blocks, the side surface of each first fixing block is movably connected with a first rotating shaft through a bearing, the left end of each first rotating shaft is fixedly connected with a connecting shaft sleeve, the right end of the rear cover connecting shell is fixedly connected with a generator rear cover, the side surface of the generator rear cover is provided with a through hole, the inside of the through hole is fixedly connected with a second filter screen through a screw, the inner side surface of the generator rear cover is fixedly connected with a fixing shell positioned on the inner side of the through hole, the inner side surface of the fixing shell is fixedly connected with a plurality of second connecting supports, the other ends of the second connecting supports are fixedly connected with second fixing blocks, and the side surfaces of the second, one end of the second rotating shaft is fixedly connected with fan blades inside the fixed shell, and the other end of the second rotating shaft is fixedly connected with a first bevel gear.
As a further description of the above technical solution:
the side surface of the rear cover connecting shell is provided with a mounting hole, and the rear cover connecting shell is cylindrical.
As a further description of the above technical solution:
the right end of the first rotating shaft extends to the inside of the rear cover of the generator and is fixedly connected with a second bevel gear, and the first bevel gear and the second bevel gear are in meshing transmission.
As a further description of the above technical solution:
the number of the through holes and the number of the fixed shells are four, and the through holes and the fixed shells are arranged in an annular array.
As a further description of the above technical solution:
the cross-sectional shape of fixed casing is the regular quadrangle, and all sets up to arc in four corners.
As a further description of the above technical solution:
the connecting shaft sleeve is in a hollow cylinder shape, and a key groove is formed in the inner side face of the connecting shaft sleeve.
As a further description of the above technical solution:
the right-hand member face of lid has seted up the louvre behind the generator, the inside right-hand member face of lid just is close to louvre fixedly connected with first filter screen behind the generator.
The utility model discloses following beneficial effect has:
1. compared with the prior art, the heat dissipation device for the wind driven generator drives the heat dissipation device to work by utilizing the rotation of the rotating shaft of the wind driven generator, does not need to additionally utilize electric energy, and can realize convenient control of the work of the heat dissipation device.
2. Compared with the prior art, this heat abstractor for aerogenerator, through set up the side of lid behind the generator to the heat dissipation fan, can increase the air cycle of generator afterbody, increase the radiating effect.
Drawings
Fig. 1 is a cross-sectional view of a heat dissipation device for a wind turbine according to the present invention;
fig. 2 is a left side view of a heat dissipation device for a wind turbine according to the present invention;
fig. 3 is a right side view of the heat dissipation device for wind turbine according to the present invention.
Illustration of the drawings:
1. the rear cover is connected with the shell; 2. a first connecting bracket; 3. a first fixed block; 4. a first rotating shaft; 5. connecting the shaft sleeve; 6. a generator rear cover; 7. heat dissipation holes; 8. a first filter screen; 9. a through hole; 10. a second filter screen; 11. a stationary housing; 12. a second connecting bracket; 13. a second fixed block; 14. a second rotating shaft; 15. a fan blade; 16. a first bevel gear; 17. mounting holes; 18. a second bevel gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the utility model provides a pair of heat abstractor for aerogenerator: the dust filter comprises a rear cover connecting shell 1, a plurality of first connecting brackets 2 are fixedly connected to the inner side surface of the rear cover connecting shell 1, the first connecting brackets 2 are used for supporting a first fixing block 3, the other end of the first connecting bracket 2 is fixedly connected with the first fixing block 3, the side surface of the first fixing block 3 is movably connected with a first rotating shaft 4 through a bearing, the left end of the first rotating shaft 4 is fixedly connected with a connecting shaft sleeve 5 for fixedly connecting with the tail part of a rotating shaft of a generator, the right end of the rear cover connecting shell 1 is fixedly connected with a rear cover 6 of the generator, the side surface of the rear cover 6 of the generator is provided with a through hole 9 for facilitating air discharge, the inside of the through hole 9 is fixedly connected with a second filter screen 10 through a screw, dust in air is filtered, the inner side surface of the rear cover 6 of the generator is fixedly connected with a fixed shell 11 positioned on the inner side of the through hole, the second connecting bracket 12 is used for supporting a second fixing block 13, the other end of the second connecting bracket 12 is fixedly connected with the second fixing block 13, the side surface of the second fixing block 13 is movably connected with a second rotating shaft 14 through a bearing, one end of the second rotating shaft 14 is fixedly connected with fan blades 15 inside the fixed shell 11 and used for realizing forced convection of air, and the other end of the second rotating shaft 14 is fixedly connected with a first bevel gear 16.
The side surface of the rear cover connecting shell 1 is provided with a mounting hole 17 which is convenient for fixedly connecting with the tail part of a generator, the rear cover connecting shell 1 is cylindrical, the right end of the first rotating shaft 4 extends to the inside of the rear cover 6 of the generator and is fixedly connected with a second bevel gear 18, the first bevel gear 16 and the second bevel gear 18 are in meshing transmission, the number of the through holes 9 and the number of the fixed shells 11 are four, the heat dissipation efficiency can be increased, the through holes 9 and the fixed shell 11 are arranged in an annular array, the cross section of the fixed shell 11 is in a regular quadrangle, and four corners all set up to arc, and connecting sleeve 5's shape is hollow cylinder, and connecting sleeve 5's medial surface is provided with the keyway, and louvre 7 has been seted up to the right-hand member face of lid 6 behind the generator, makes things convenient for the entering of air, realizes the convection current of air, and the inside right-hand member face of lid 6 just is close to louvre 7 fixedly connected with first filter screen 8 behind the generator.
The working principle is as follows: during the use, carry out fixed connection to the pivot afterbody of generator and connecting shaft sleeve 5, then carry out fixed connection through the screw to back lid connecting shell 1 and generator, when the generator during operation the generator pivot rotates and drives first pivot 4 and rotate, rotates through bevel gear and drives second pivot 14 and flabellum 15 and rotate to inside the convection current of realizing forcing of lid behind the generator, reach radiating purpose.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.