CN217642969U

CN217642969U - Cooling device for wind driven generator

Info

Publication number: CN217642969U
Application number: CN202222387459.4U
Authority: CN
Inventors: 宋增军; 赵冬冬; 郑田; 梁永昌
Original assignee: Shanxi Zhongzhou Electric Co ltd
Current assignee: Shanxi Zhongzhou Electric Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-10-21
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses a heat sink for aerogenerator relates to wind power generation technical field, including supporting the tower, support tower upper end fixedly connected with mounting panel, surface movable mounting has the heat exchanger that looses on the mounting panel, heat exchanger inner wall bottom fixedly connected with generator body looses, heat exchanger side surface fixed mounting that looses has the sleeve pipe. The utility model discloses an external wind can drive the paddle and rotate and form the air current, external cold air enters into the inside generator body that blows of heat exchanger through the air intake, the hot-air passes through the air outlet and discharges, can form the circulating air current and circulate the blowing to the generator body under the paddle effect, improve the radiating effect to the generator body, air intake and air outlet are seted up at the heat exchanger lower surface that looses, make the rainwater can not enter into inside the heat exchanger through air intake and air outlet when rainy day, the water-proof effects of heat exchanger has greatly improved when taking into account the thermal diffusivity, can improve the life of generator body greatly.

Description

Cooling device for wind driven generator

Technical Field

The utility model relates to a wind power generation technical field specifically is a heat sink for aerogenerator.

Background

Wind energy is regarded as a clean renewable energy source, and is increasingly emphasized by countries in the world, wind is one of the most commercial potential and most active renewable energy sources, the wind energy generator is clean in use and low in cost, the kinetic energy of the wind is converted into mechanical kinetic energy, and then the mechanical energy is converted into electrical kinetic energy, namely wind power generation.

However, in the prior art, when the generator is in actual use, rainwater easily enters the cooling device body through the air inlet and the air outlet under the action of wind in rainy days, so that the generator body is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat sink for aerogenerator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a heat sink for aerogenerator, includes the support tower, support tower upper end fixedly connected with mounting panel, mounting panel upper surface movable mounting has the heat dissipation cover, heat dissipation cover inner wall bottom fixedly connected with generator body, heat dissipation cover side surface fixed mounting has the sleeve pipe, the cover inside pipe wall is provided with the transmission shaft, transmission shaft one end fixedly connected with square pole, square pole side surface cover is equipped with buffer spring, square pole one end swing joint has the swivel becket, the swivel becket side surface is provided with initiative differential gear and card board respectively, generator body output shaft middle part side surface fixedly connected with paddle, the driven differential gear of generator body output shaft one end side surface fixedly connected with, air intake and air outlet have not been seted up to heat dissipation cover lower surface and mounting panel surface are equallyd divide.

As a preferred scheme of the utility model, the equal fixedly connected with dust screen of air intake and air outlet inner wall, mounting panel and heat exchanger bottom are fixed through the bolt locking.

As a preferred scheme of the utility model, the transmission shaft rotates to be connected at the intraductal wall of sleeve, transmission shaft side surface fixedly connected with fan blade.

As a preferred scheme of the utility model, card fixed connection is at heat exchanger inner wall top, swivel becket step shaft column structure, card fixed plate quantity is two, and two card fixed plate activity rotation joint is respectively at the swivel becket both ends side surface, the square groove has been seted up to swivel becket side surface axial, and the activity of square pole is pegged graft at the square groove inner wall.

As a preferred scheme of the utility model, the generator body passes through the bolt and installs in heat exchanger inner wall bottom that looses, air intake and air outlet set up respectively in generator body both sides.

As a preferred scheme of the utility model, buffer spring one end is fixed with the transmission shaft side surface, the buffer spring other end is fixed with the rotating ring side surface, driven differential gear side surface meshes with initiative differential gear side surface mutually, and initiative differential gear pitch diameter is six times of driven differential gear pitch diameter.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an external wind can drive the paddle and rotate and form the air current, external cold air enters into the heat exchanger through the air intake and blows the generator body, the hot-air passes through the air outlet and discharges, can form the circulating air current under the paddle effect and circulate and blow to the generator body, improve the radiating effect to the generator body, air intake and air outlet are seted up at the heat exchanger lower surface, make the rainwater can not enter into the heat exchanger through air intake and air outlet when rainy day, greatly improved the water-proof effects of heat exchanger when considering the thermal diffusivity, can greatly improve the life of generator body;

2. the utility model discloses still cushion the axial force that the transmission shaft received through buffer spring simultaneously, when wind-force is unstable, the power that the transmission shaft was received is transmitted to the fan blade is different, when the transmission shaft received axial force, can be in the sleeve pipe axial displacement, drive square bar axial displacement, the compressible buffer spring of square bar cushions the axial force simultaneously, the square bar can slide at the square groove inner wall when axial displacement, still can drive the swivel becket when sliding and rotate, wherein the swivel becket is blocked by the fixed plate card when rotating, the axial displacement condition can not appear, avoid influencing and driven differential gear's meshing effect, it causes the damage to avoid the generator body to receive pressure through buffer spring buffering axial force, can filter the dust in the air when the heat dissipation through the dust screen, prevent that external dust and other floaters from entering into inside the cooling jacket.

Drawings

Fig. 1 is a schematic view of the overall structure of a cooling device for a wind turbine of the present invention;

fig. 2 is a schematic view of the structure of the air inlet and the air outlet of the cooling device for the wind driven generator of the present invention;

fig. 3 is a schematic view of the position relationship between the driving differential gear and the driven differential gear of the cooling device for the wind power generator of the present invention;

FIG. 4 is a sectional view of the cooling device for a wind turbine according to the present invention;

fig. 5 is a schematic view of the cooling device rotating ring and active differential gear explosion structure for wind power generator of the present invention.

In the figure: 1. a support tower; 2. mounting a plate; 3. a heat dissipation cover; 4. a generator body; 5. a sleeve; 6. a drive shaft; 7. a square bar; 8. a buffer spring; 9. a rotating ring; 10. an active differential gear; 11. a clamping plate; 12. a driven differential gear; 13. a paddle; 14. an air inlet; 15. an air outlet; 16. a fan blade; 17. a dust screen; 18. a square groove.

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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a heat sink for aerogenerator, including supporting tower 1, supporting tower 1 upper end fixed mounting has mounting panel 2, surface movable mounting has heat dissipation cover 3 on

mounting panel

2, 3 inner wall bottoms fixed mounting of heat dissipation cover have generator body 4, 3 side fixed mounting of heat dissipation cover has sleeve pipe 5, the sleeve pipe 5 inner wall is provided with

transmission shaft

6, 6 one end fixed mounting of transmission shaft has square pole 7, the side surface cover of square pole 7 is equipped with

buffer spring

8, 7 one end swing joint of square pole has rotating

ring

9, 9 side surfaces of rotating ring are provided with initiative differential gear 10 and card fixing plate 11 respectively, generator body 4 output shaft middle part side surface fixed mounting has paddle 13, generator body 4 output shaft one end side surface fixed mounting has driven differential gear 12, heat dissipation cover 3 lower surface and mounting panel 2 surface are equallyd divide and are do not seted up air intake 14 and air outlet 15, wherein can wrap up the protection to inside generator body 4 through heat dissipation cover 3, avoid it to be drenched when rainy day, air intake 14 and air outlet 15 set up in the heat dissipation cover 3 bottom, no matter rainwater can not get into heat dissipation cover 3 inside through air intake 14 and air outlet 15 under big wind-blowing effect.

In this embodiment, the equal fixed mounting of air intake 14 and air outlet 15 inner wall has dust screen 17, can block dust in the air and other floater through dust screen 17, avoids entering into heat exchanger 3 through air intake 14 and air outlet 15 under the air current effect inside, and mounting panel 2 is fixed through bolt locking with heat exchanger 3 bottoms, can install fast and the split.

In this embodiment, the transmission shaft 6 is rotatably connected to the inner wall of the sleeve 5, the fan blades 16 are fixedly mounted on the side surface of the transmission shaft 6, wherein the contact surface between the transmission shaft 6 and the sleeve 5 is a smooth surface, and the transmission shaft 6 can rotate in the sleeve 5 and can axially move in the sleeve 5.

In this embodiment, card fixed mounting is at 3 inner wall tops of heat exchanger, 9 step shaft column structures of swivel becket, 11 quantity of card fixed plate is two, and two card fixed plate 11 activity respectively rotate the joint in the side surface of 9 both ends of swivel becket, make swivel becket 9 rotate through two card fixed plate 11, nevertheless axial displacement trend can not appear, square groove 18 has been seted up to swivel becket 9 side surface axial, and 7 activities of square bar are pegged graft at 18 inner walls of square groove, make square bar 7 can drive swivel becket 9 and rotate through

square bar

7 and 18 card effect of square groove, and then drive initiative differential gear 10 rotates.

In this embodiment, generator body 4 passes through the bolt and installs in 3 inner walls bottoms of heat exchanger that dispel the heat, and air intake 14 and air outlet 15 set up respectively in generator body 4 both sides for outside cold air can enter into heat exchanger 3 inside through air intake 14 under the effect of paddle 13, discharges through air outlet 15 simultaneously and forms circulation air current, blows generator body 4 through circulation air current, and then takes away the heat formation radiating effect of generator body 4.

In this embodiment, 8 one end of buffer spring is fixed with 6 side surfaces of transmission shaft, the 8 other end of buffer spring is fixed with 9 side surfaces of swivel becket, can form a pulling effect to transmission shaft 6 and swivel becket 9 through buffer spring 8, avoid transmission shaft 6 release sleeve 5, driven differential gear 12 side surfaces meshes with 10 side surfaces of initiative differential gear mutually, and 10 tooth footpaths of initiative differential gear are six times of 12 tooth footpaths of driven differential gear, make initiative differential gear 10 can drive 12 differential rotations of driven differential gear through the meshing effect, can improve the rotational speed of driven differential gear 12 through the tooth ratio, and then improve generating efficiency and radiating efficiency, the practicality is better.

The working principle is as follows: when in use, the utility model blows the fan blade 16 to rotate by external wind, the fan blade 16 drives the transmission shaft 6 and the square rod 7 to rotate, the square rod 7 drives the rotating ring 9 and the driving differential gear 10 to rotate through the clamping action, the driving differential gear 10 drives the driven differential gear 12 to rotate in a differential way through the meshing action, the power generation is carried out through the generator body 4, the driven differential gear 12 can drive the blades 13 to rotate to form air flow to blow the generator body 4 when rotating, external cold air enters the heat dissipation cover 3 through the air inlet 14 to blow the generator body 4, hot air can be discharged through the air outlet 15 under the action of the air flow, circulating air flow can be formed under the action of the blades 13 to circularly blow the generator body 4, the heat dissipation effect on the generator body 4 is improved through the circulating air flow, the air inlet 14 and the air outlet 15 are arranged on the lower surface of the heat dissipation cover 3, so that rainwater can not enter the interior of the heat dissipation cover 3 through the air inlet 14 and the air outlet 15 in rainy days, the waterproof effect of the heat dissipation cover 3 is greatly improved while the heat dissipation performance is considered, the service life of the generator body 4 can be greatly improved, the utility model also buffers the axial force applied to the transmission shaft 6 through the buffer spring 8, when the wind power is unstable, the force transmitted to the transmission shaft 6 by the fan blade 16 is different, when the transmission shaft 6 is applied with the axial force, the transmission shaft can axially move in the sleeve 5 to drive the square rod 7 to axially move, meanwhile, the square rod 7 can compress the buffer spring 8 to buffer the axial force, the square rod 7 can slide on the inner wall of the square groove 18 when axially moving, and can still drive the rotating ring 9 to rotate when sliding, wherein the rotating ring 9 is blocked by the blocking plate 11 when rotating, the axial movement condition can not occur, and the meshing action with the driven differential gear 12 is avoided being influenced, buffering the axial force through buffer spring 8 can avoid generator body 4 to receive pressure and cause the damage, can filter the dust in the air when the heat dissipation through dust screen 17, prevent that external dust and other floaters from entering into inside heat exchanger 3 that dispels the heat.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A heat sink for a wind generator, comprising a support tower (1), characterized in that: support tower (1) upper end fixedly connected with mounting panel (2), mounting panel (2) upper surface movable mounting has heat dissipation cover (3), heat dissipation cover (3) inner wall bottom fixedly connected with generator body (4), heat dissipation cover (3) side surface fixed mounting has sleeve pipe (5), sleeve pipe (5) inner wall is provided with transmission shaft (6), transmission shaft (6) one end fixedly connected with square pole (7), square pole (7) side surface cover is equipped with buffer spring (8), square pole (7) one end swing joint has swivel becket (9), swivel becket (9) side surface is provided with initiative differential gear (10) and card clamp board (11) respectively, generator body (4) output shaft middle part side surface fixedly connected with paddle (13), generator body (4) output shaft one end side surface fixedly connected with driven differential gear (12), air intake (14) and air outlet (15) have not been seted up to heat dissipation cover (3) lower surface and mounting panel (2) surface equallyd divide.

2. The cooling device for the wind driven generator according to claim 1, wherein: equal fixedly connected with dust screen (17) of air intake (14) and air outlet (15) inner wall, mounting panel (2) and heat exchanger (3) bottom are fixed through the bolt locking.

3. The cooling device for the wind power generator according to claim 1, wherein: the transmission shaft (6) is rotatably connected to the inner wall of the sleeve (5), and fan blades (16) are fixedly connected to the side surface of the transmission shaft (6).

4. The cooling device for the wind power generator according to claim 1, wherein: the clamping plates (11) are fixedly connected to the top of the inner wall of the heat dissipation cover (3), the rotating ring (9) is of a stepped shaft structure, the number of the clamping plates (11) is two, the clamping plates (11) are movably connected to the side surfaces of the two ends of the rotating ring (9) in a rotating mode respectively, a square groove (18) is axially formed in the side surface of the rotating ring (9), and the square rod (7) is movably inserted into the inner wall of the square groove (18).

5. The cooling device for the wind driven generator according to claim 1, wherein: the generator body (4) is installed at the bottom of the inner wall of the heat dissipation cover (3) through bolts, and the air inlet (14) and the air outlet (15) are respectively arranged on two sides of the generator body (4).

6. The cooling device for the wind power generator according to claim 1, wherein: one end of the buffer spring (8) is fixed with the side surface of the transmission shaft (6), the other end of the buffer spring (8) is fixed with the side surface of the rotating ring (9), the side surface of the driven differential gear (12) is meshed with the side surface of the driving differential gear (10), and the tooth diameter of the driving differential gear (10) is six times of that of the driven differential gear (12).