CN211720427U

CN211720427U - Heat radiation structure of wind driven generator

Info

Publication number: CN211720427U
Application number: CN202020765099.5U
Authority: CN
Inventors: 孙茂川
Original assignee: Treolica Tianjin Co ltd
Current assignee: Treolica Tianjin Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-10-20
Anticipated expiration: 2030-05-11

Abstract

The utility model relates to the technical field of wind driven generators, and discloses a heat dissipation structure of a wind driven generator, which comprises a casing and a hub, wherein one end of the hub, which is close to the casing, is fixedly connected with a wind wheel shaft, three blades are fixedly connected with the annular side wall of the hub at equal intervals, one end of the wind wheel shaft, which is far away from the hub, runs through the casing and extends into the casing, and a motor heat dissipation mechanism is arranged on the casing; the motor heat dissipation mechanism comprises a driving gear and a plurality of heat dissipation assemblies, the driving gear is fixedly sleeved on a shaft wall of an air wheel shaft in the machine shell, the plurality of heat dissipation assemblies are annularly distributed by taking the air wheel shaft as a center, each heat dissipation assembly comprises an air duct, a support bar, a bearing, a rotating shaft, fan blades and a driven gear, one end of the air duct is communicated with the wall of one side of the machine shell, close to the wheel hub, of the machine shell, and the other end of the air duct extends into the machine shell. The utility model discloses accelerate the mobile speed of air in the casing, cool down the generator in the casing, prolong the life of generator.

Description

Heat radiation structure of wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field especially relates to an aerogenerator's heat radiation structure.

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. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components. The internal ventilation cooling effect of the wind driven generator is poor, the temperature of air around the generator is high, and if the temperature is not reduced in time, the normal operation of the generator is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that aerogenerator inside ventilation cooling effect is relatively poor, and the air temperature is higher around the generator, if not timely cooling, will seriously influence the problem of the normal operating of generator, and the radiating structure of an aerogenerator who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a heat dissipation structure of a wind driven generator comprises a shell and a hub, wherein one end, close to the shell, of the hub is fixedly connected with a wind wheel shaft, three blades are uniformly and equidistantly fixedly connected to the annular side wall of the hub, one end, far away from the hub, of the wind wheel shaft penetrates through the shell and extends into the shell, and a motor heat dissipation mechanism is mounted on the shell;

the motor heat dissipation mechanism comprises a driving gear and a plurality of heat dissipation assemblies, the driving gear is fixedly sleeved on a shaft wall of an air wheel shaft in a casing, the heat dissipation assemblies are annularly distributed by taking the air wheel shaft as a center, each heat dissipation assembly comprises an air duct, a supporting strip, a bearing, a rotating shaft, fan blades and a driven gear, one end of the air duct is communicated with the wall of one side, close to a wheel hub, of the casing, the other end of the air duct extends into the casing, the supporting strip is fixedly connected to the inner wall of the air duct, the bearing is embedded in the center of the supporting strip, the rotating shaft is fixedly connected to the wall of an inner ring of the bearing, two ends of the rotating shaft penetrate through the bearing, the fan blades are fixedly connected to one end, far away from the driving gear, of the rotating shaft, one end, far, the driving gear is meshed with the driven gear.

Preferably, the stabilizer bars are symmetrically and fixedly connected to the shaft wall of the rotating shaft in the air duct, a rolling groove is formed in one end, away from the rotating shaft, of each stabilizer bar, rolling balls are arranged in the rolling groove, one end, away from the bottom of the rolling groove, of each rolling ball penetrates through the notch of the corresponding rolling groove, and the rolling balls are connected to the inner wall of the air duct in a rolling manner.

Preferably, a filter screen is fixedly connected to the inner pipe wall at one end of the air duct far away from the driven gear.

Preferably, an L-shaped air inlet pipe is fixedly communicated with a pipe orifice at one end of the air guide pipe, which is far away from the driven gear.

Preferably, the ball diameter of the ball is larger than the groove diameter of the notch of the rolling groove, and the ball is made of stainless steel.

Preferably, a plurality of the driven gears are annularly distributed by taking the driving gear as a center.

Compared with the prior art, the utility model provides a aerogenerator's heat radiation structure possesses following beneficial effect:

this aerogenerator's heat radiation structure, through setting up the driving gear, the air duct, the support bar, a bearing, the axis of rotation, flabellum and driven gear constitute a motor heat dissipation mechanism, when the wind wheel shaft rotates, the wind wheel shaft drives the driving gear and rotates, driven gear through with driving gear engaged with drives the axis of rotation at the bearing internal rotation of support bar, along with the rotation of axis of rotation, the axis of rotation drives the flabellum and rotates in the air duct is synchronous, inhale the air duct with the outer air of casing in, the rethread air duct transports in the casing, accelerate the flow velocity of air in the casing, cool down the generator in the casing, the life of extension generator.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses accelerate the mobile speed of air in the casing, cool down the generator in the casing, prolong the life of generator.

Drawings

Fig. 1 is a schematic structural view of a heat dissipation structure of a wind turbine generator according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the wind wheel comprises a machine shell 1, a wheel hub 2, a wind wheel shaft 3, blades 4, a driving gear 5, a gas guide pipe 6, a supporting strip 7, a bearing 8, a rotating shaft 9, fan blades 10, a driven gear 11, a stabilizer bar 12, a rolling groove 13, balls 14, a filter screen 15 and a gas inlet pipe 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a heat dissipation structure of a wind driven generator comprises a casing 1 and a hub 2, wherein one end of the hub 2 close to the casing 1 is fixedly connected with a wind wheel shaft 3, the annular side wall of the hub 2 is uniformly and equidistantly fixedly connected with three blades 4, one end of the wind wheel shaft 3 far away from the hub 2 penetrates through the casing 1 and extends into the casing 1, and is connected with a shaft of the generator through a planetary gear speed increasing box, the lower end of the casing 1 is provided with a gas outlet, and the casing 1 is provided with a motor heat dissipation mechanism;

the motor heat dissipation mechanism comprises a driving gear 5 and a plurality of heat dissipation assemblies, the driving gear 5 is fixedly sleeved on the shaft wall of a wind wheel shaft 3 in a casing 1, the plurality of heat dissipation assemblies are annularly distributed by taking the wind wheel shaft 3 as the center, each heat dissipation assembly comprises a gas guide tube 6, a supporting strip 7, a bearing 8, a rotating shaft 9, a fan blade 10 and a driven gear 11, one end of each gas guide tube 6 is communicated with the wall of one side of the casing 1 close to a wheel hub 2, the other end of each gas guide tube 6 extends into the casing 1, the supporting strip 7 is fixedly connected onto the inner wall of the gas guide tube 6, the bearing 8 is embedded at the center of the supporting strip 7, the rotating shaft 9 is fixedly connected onto the inner ring wall of the bearing 8, two ends of the rotating shaft 9 penetrate through the bearing 8, the fan blade 10 is fixedly connected to one end of the rotating shaft 9 far away from the, driving gear 5 meshes with driven gear 11 mutually, when wind wheel axle 3 rotates, wind wheel axle 3 drives driving gear 5 and rotates, driven gear 11 through meshing with driving gear 5 drives axis of rotation 9 at the 8 rotations of bearing of support bar 7, along with the rotation of axis of rotation 9, axis of rotation 9 drives flabellum 10 and rotates at 6 synchronous air ducts, inhale air duct 6 in with the outer air of casing 1, in rethread air duct 6 transports casing 1, accelerate the flow speed of air in the casing 1, cool down the generator in the casing 1, the life of extension generator.

Lie in symmetry fixedly connected with stabilizer bar 12 on the axle wall of rotation axle 9 in air duct 6, stabilizer bar 12 keeps away from the one end of rotation axis 9 and has seted up rolling groove 13, be equipped with rolling ball 14 in the rolling groove 13, the one end that rolling groove 13 tank bottom was kept away from to ball 14 passes the notch setting of rolling groove 13, and ball 14 roll connection is on the inner tube wall of air duct 6, rotation axis 9 drives stabilizer bar 12 synchronous revolution on the inner tube wall of air duct 6 when the rotation of air duct 6, and then drive the roll of ball 14 in the rolling groove 13, make rotation axis 9 more stable at the internal rotation of air duct 6.

A filter screen 15 is fixedly connected to the inner wall of one end, away from the driven gear 11, of the air guide pipe 6, and air entering the air guide pipe 6 is filtered to prevent dust from entering the machine shell 1.

An air inlet pipe 16 in an L shape is fixedly communicated with a pipe orifice at one end, far away from the driven gear 11, of the air duct 6, so that rainwater is prevented from entering the air duct 6.

The ball 14 has a larger diameter than the groove of the rolling groove 13, and the ball 14 is made of stainless steel to prevent the ball 14 from slipping out of the rolling groove 13.

The plurality of driven gears 11 are annularly distributed around the driving gear 5.

The utility model discloses in, when wind shaft 3 rotates, wind shaft 3 drives driving gear 5 and rotates, drive axis of rotation 9 at the 8 internal rotations of bearing of support bar 7 through driven gear 11 with driving gear 5 engaged with, along with the rotation of axis of rotation 9, axis of rotation 9 drives flabellum 10 and rotates in 6 synchronization of air duct, with in 1 outer air suction air duct 6 of casing, rethread air duct 6 transports in the casing 1 for the mobile speed of air in the casing 1, cool down to the generator in the casing 1, the life of extension generator.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A heat dissipation structure of a wind driven generator comprises a casing (1) and a hub (2), wherein one end, close to the casing (1), of the hub (2) is fixedly connected with a wind wheel shaft (3), three blades (4) are uniformly and equidistantly fixedly connected to the annular side wall of the hub (2), one end, far away from the hub (2), of the wind wheel shaft (3) penetrates through the casing (1) and extends into the casing (1), and the heat dissipation structure is characterized in that a motor heat dissipation mechanism is mounted on the casing (1);

the motor heat dissipation mechanism comprises a driving gear (5) and a plurality of heat dissipation assemblies, the driving gear (5) is fixedly sleeved on a shaft wall of an air wheel shaft (3) in a casing (1), the heat dissipation assemblies are annularly distributed by taking the air wheel shaft (3) as the center and comprise an air duct (6), a supporting strip (7), a bearing (8), a rotating shaft (9), fan blades (10) and a driven gear (11), one end of the air duct (6) is communicated on the wall of one side of the casing (1) close to a wheel hub (2), the other end of the air duct (6) extends into the casing (1), the supporting strip (7) is fixedly connected on the inner wall of the air duct (6), the bearing (8) is embedded at the center of the supporting strip (7), and the rotating shaft (9) is fixedly connected on the wall of an inner ring of the bearing (8), and the both ends of axis of rotation (9) pass bearing (8) and set up, driving gear (5) was kept away from in axis of rotation (9) one end at flabellum (10) fixed connection, the one end that flabellum (10) were kept away from in axis of rotation (9) passes the corresponding mouth of pipe of air duct (6) and is connected with driven gear (11), driving gear (5) and driven gear (11) mesh mutually.

2. The heat dissipation structure of a wind power generator according to claim 1, wherein a stabilizer bar (12) is symmetrically and fixedly connected to the axial wall of the rotating shaft (9) in the air duct (6), a rolling groove (13) is formed at an end of the stabilizer bar (12) away from the rotating shaft (9), a rolling ball (14) is disposed in the rolling groove (13), an end of the rolling ball (14) away from the bottom of the rolling groove (13) is disposed through the opening of the rolling groove (13), and the rolling ball (14) is roll-connected to the inner wall of the air duct (6).

3. The heat dissipation structure of a wind power generator as claimed in claim 1, wherein a filter screen (15) is fixedly connected to the inner wall of the air duct (6) at a position away from one end of the driven gear (11).

4. The heat dissipation structure of the wind driven generator according to claim 1, wherein an L-shaped air inlet pipe (16) is fixedly communicated with a pipe orifice at one end of the air duct (6) far away from the driven gear (11).

5. The heat dissipation structure of a wind power generator as claimed in claim 2, wherein the ball (14) has a larger diameter than the groove diameter of the notch of the rolling groove (13), and the ball (14) is made of stainless steel.

6. The heat dissipation structure of a wind power generator as claimed in claim 1, wherein a plurality of the driven gears (11) are annularly distributed centering on the driving gear (5).