CN214660657U

CN214660657U - Novel cooling device for wind driven generator

Info

Publication number: CN214660657U
Application number: CN202120919381.9U
Authority: CN
Inventors: 杨振勇
Original assignee: Huaneng Ningxia Energy Co ltd
Current assignee: Huaneng Ningxia Energy Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-09
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a novel cooling device for wind driven generator, which comprises a casing, wherein the bottom and one end of the casing are respectively provided with a heat dissipation port and a heat dissipation hole, the inside of the casing is provided with a power generation device, a rotating shaft is arranged in the power generation device, the two ends of the rotating shaft extend out of the two ends of the power generation device, one end of the rotating shaft passes through the end part of the casing and is connected with a fan blade, the bottom of the power generation device is provided with a first cooling blade, the first cooling blade is meshed and connected with one end of the rotating shaft through an accelerating gear set, the end part of the other end of the rotating shaft is provided with a driving gear, the driving gear is connected with a second cooling blade through an accelerating gear structure, the second cooling blade is over against the fan heating hole at the end part of the casing, the cooling device sucks cold air through the first cooling blade to cool the inside of the casing, the air flow after heat exchange is discharged through the second cooling blade to realize effective cooling of the inside of the casing, in addition, the power of the rotating shaft is used for cooling and power generation, so that the utilization rate of wind energy is greatly improved, and the utilization efficiency of energy is improved.

Description

Novel cooling device for wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field especially relates to a novel cooling for aerogenerator device.

Background

Wind power generation means that kinetic energy of wind is converted into electric energy, wind energy is a clean and pollution-free renewable energy source and is utilized by people for a long time, water pumping, surface grinding and the like are mainly realized through a windmill, the kinetic energy of the wind is converted into mechanical energy through a wind wheel, and the wind wheel is composed of a plurality of blades as an important part.

When wind blows to the paddle of wind wheel, it rotates to produce aerodynamic force drive wind wheel on the paddle, drive the generator electricity generation, in generator operation process, main gear box and generator calorific capacity are very big, some model converters are also in the cabin, calorific capacity can be bigger, if the cabin temperature drops not, heat exchange efficiency can reduce, it can influence equipment operation life to last high temperature, current heat sink can't effectually dispel the heat and cool down the inside motor group in wind power generation cabin, and heat sink's job stabilization nature is poor, power generation efficiency has seriously been influenced.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a novel aerogenerator carries out effectual cooling to the cabin with the heat sink, improves the generating efficiency.

The utility model discloses a realize through following technical scheme:

the utility model provides a novel cooling for aerogenerator device, which comprises a housing, the bottom and the one end of casing are provided with thermovent and louvre respectively, the inside of casing is provided with power generation facility, be provided with the pivot among the power generation facility, power generation facility's both ends are stretched out at the both ends of pivot, the tip that the casing was passed to the one end of pivot is connected with fan blade, power generation facility's bottom is provided with first radiator vane, first radiator vane is connected with the one end meshing of pivot through accelerating gear train, the tip of the pivot other end is provided with the driving gear, the driving gear is connected with second radiator vane through accelerating gear structure, second radiator vane is just to the fan hot hole of casing tip.

Preferably, the accelerating gear set comprises a bevel gear set, a first gear and a second gear, the first radiating blade is connected with the bottom surface of the fixed seat through a connecting shaft, the second gear is fixedly connected onto the connecting shaft, a transmission shaft is arranged at the bottom of the fixed seat, the first gear is fixedly connected onto the transmission shaft and meshed with the second gear, and the first gear is meshed with one end of the rotating shaft through the bevel gear set.

Preferably, the helical gear set comprises a first helical gear and a second helical gear which are meshed with each other, the first helical gear is fixedly connected to the rotating shaft, the second helical gear is fixedly sleeved on the transmission shaft, and the axes of the first helical gear and the second helical gear are arranged at a right angle.

Preferably, the diameter of the first gear is larger than the diameter of the second gear.

Preferably, the accelerating gear structure comprises a rotating shaft and a gear shaft coaxially connected with the rotating shaft, a shaft bracket is arranged at the inner top of the casing, the rotating shaft is arranged on the shaft bracket through a bearing, the gear shaft is meshed with the driving gear, the second radiating blades are fixedly connected to the end of the rotating shaft, and the diameter of the driving gear is larger than that of the gear shaft.

Preferably, the number of the second heat dissipation blades is two, the two second heat dissipation blades are symmetrically arranged on two sides of the driving gear, and the two second heat dissipation blades are respectively meshed with the driving gear through an accelerating gear structure.

Preferably, the heat dissipation port is located at the bottom of the casing, an arc-shaped connecting block is connected to the heat dissipation port, and airflow enters the casing through the heat dissipation port after entering from two arc-shaped ends.

Preferably, the bottom of the connecting block is connected with a tower drum, and the casing is supported in the air through the tower drum.

Preferably, a plurality of radiating fins are uniformly distributed on the surface of the casing and are arranged along the axial direction of the casing.

Preferably, the inner top of the casing is provided with a fixed seat, the power generation device is arranged in the fixed seat, and the power generation device is arranged in the casing in a suspension manner through the fixed seat.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model provides a pair of novel cooling for aerogenerator device, which comprises a housing, and set up the power generation facility in its inside, power generation facility's the pivot that is connected with, power generation facility's both ends are stretched out at the both ends of pivot, the one end of pivot is connected with the first radiator vane of power generation facility bottom through accelerating the gear train, the transmission power through accelerating the gear train and changing the pivot improves first radiator vane's rotational speed simultaneously, the pivot drives second radiator vane with higher speed through accelerating the gear structure and rotates with higher speed simultaneously, first radiator vane inhales the inside cooling of cold air to the casing, air current after the heat exchange is being effluvium through second radiator vane, realize the inside effective cooling to the casing, in addition, be used for cooling and electricity generation simultaneously with the power of pivot, improve the utilization ratio of wind energy greatly, the utilization efficiency of the energy improves.

Drawings

FIG. 1 is an internal structure view of the cooling device for wind driven generator of the present invention;

FIG. 2 is a schematic structural view of the housing and the connecting block of the cooling device of the present invention;

FIG. 3 is a schematic view of the base structure of the cooling device of the present invention;

FIG. 4 is a schematic structural view of bottom cooling fins of the cooling device of the present invention;

fig. 5 is a schematic structural view of the rear heat dissipation device of the cooling device of the present invention.

In the figure: 1. a housing; 2. a fixed seat; 201. a connecting member; 202. a fixing member; 203. macropores; 3. a power generation device; 4. a rotating shaft; 5. a first bushing; 6. a fan blade; 7. a first helical gear; 8. a pedestal; 9. a driving gear; 10. a first gear; 11. a first heat dissipating fin; 12. heat dissipation holes; 13. a second heat dissipating fin; 14. a heat dissipation port; 15. connecting blocks; 16. a tower drum; 17. a gear shaft; 18. a second gear; 19. a second bevel gear.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.

Referring to fig. 1-5, a novel cooling device for wind driven generator, including casing 1, the bottom and the one end of casing are provided with thermovent and louvre respectively, the inside of casing is provided with power generation facility 3, be provided with pivot 4 among the power generation facility 3, power generation facility's both ends are stretched out at the both ends of pivot, the tip that the casing was passed to the one end of pivot 4 is connected with fan blade 6, power generation facility's bottom is provided with first radiator vane 11, first radiator vane 11 is connected with the one end meshing of pivot 4 through accelerating the gear train, the tip of the 4 other ends of pivot is provided with driving gear 9, driving gear 9 is connected with second radiator vane 13 through accelerating the gear structure, second radiator vane 13 is just to the fan hot hole of casing tip.

The interior top of casing sets up fixing base 2, and power generation facility sets up in the fixing base, through the unsettled setting of fixing base with power generation facility, the bottom louvre is located the bottom of fixing base.

The accelerating gear set comprises a bevel gear set, a first gear 10 and a second gear 18, a first radiating blade is connected with the bottom surface of the fixed seat 2 through a connecting shaft, a bearing is embedded in the bottom surface of the fixed seat, the upper end of the connecting shaft is connected with the bearing, the second gear 18 is fixedly connected to the connecting shaft, a transmission shaft is arranged at the bottom of the fixed seat and is connected with a fixed shaft through the bearing, the bearing is embedded in a bearing hole of the fixed seat, the first gear 10 is fixedly connected to the transmission shaft and meshed with the second gear 18, the first gear 10 is meshed with one end of a rotating shaft through the bevel gear set, and the end is close to one end of the fan blade 6.

The diameter of the first gear 10 is larger than the diameter of the second gear 18.

The helical gear set comprises a first helical gear 7 and a second helical gear 19, the first helical gear 7 is fixedly connected to the rotating shaft, the second helical gear 19 is fixedly sleeved on the transmission shaft, the axes of the first helical gear 7 and the second helical gear 19 are arranged at a right angle, and the first helical gear 7 is meshed with the second helical gear 19.

The rotating force of the rotating shaft 4 changes the transmission direction through the helical gear set, and then the first gear 10 and the second gear 18 increase the rotating speed of the connecting shaft, so that the rotating speed of the first radiating blade is realized, and the radiating effect of the inner space of the casing is increased.

The accelerating gear structure comprises a rotating shaft and a gear shaft 17 coaxially connected with the rotating shaft, a shaft bracket 8 is arranged at the inner top of the casing, the rotating shaft is arranged on the shaft bracket 8 through a bearing, the gear shaft 17 is meshed with the driving gear 9, the second radiating blades 13 are fixedly connected to the end part of the rotating shaft, and the diameter of the driving gear 9 is larger than that of the gear shaft 17.

The number of the second radiating blades 13 is 2, the second radiating blades are symmetrically arranged on two sides of the driving gear 9, and the two second radiating blades are respectively meshed with the driving gear 9 through an accelerating gear structure.

The heat dissipation holes 12 include a plurality of inclined holes, and the lower ends of the inclined holes are located on the outer wall of the housing.

Referring to fig. 2, the heat dissipation opening 14 is located at the bottom of the casing, the arc-shaped connection block 15 is connected to the heat dissipation opening 14, airflow enters the casing through the heat dissipation opening after entering from the two arc-shaped ends, and then is discharged through the heat dissipation holes to form an airflow loop, the tower barrel 16 is connected to the bottom of the connection block 15, and the casing is supported in the air through the tower barrel.

The casing is of a cylindrical structure, a plurality of radiating fins are uniformly distributed on the surface of the casing in the circumferential direction, and the radiating fins are distributed along the axial direction of the casing to increase the radiating effect of the casing.

As shown in fig. 3, the base 2 includes a connecting member 201, a fixing member 202 is fixedly connected to the bottom of the connecting member 201, a large hole 203 is formed in the fixing member 202, the connecting member 201 is fixedly connected to the top of the casing, the power generation device is disposed in the large hole 203, the casing 1 is made of stainless steel, the casing 1 is prevented from being rusted, and the heat dissipation effect of the stainless steel is good.

The following is to the utility model provides a pair of novel for aerogenerator cooling device's theory of operation carries out detailed explanation.

The fan blades 6 drive the rotating shaft of the power generation device to rotate under the action of wind power, and then the power generation device generates power, the rotating shaft drives the first gear and the second gear to rotate through the bevel gear set, the rotating speed of the connecting shaft is increased, the first radiating fin has higher rotating speed, more cold air flow can be sucked into the radiating hole 14, meanwhile, the rotating shaft drives the second radiating fin to rotate at an accelerated speed through the driving gear, hot air flow in the shell is exhausted from the radiating hole, cooling of the interior of the shell is achieved, cold air flow is sucked into the radiating hole 14, then the air flow is exhausted from the radiating hole 12, an air flow loop is formed, and the radiating effect is better.

Radiator vane and power generation facility simultaneous working, energy utilization is improved, 1 surface of casing sets up the fin, can increase the area of contact of casing 1 and outside air, can increase casing 1's radiating efficiency, and casing 1 bottom has seted up thermovent 14, thermovent 14 and the cooperation of arc connecting block 15, can make the heat of casing 1 inside can spill, it can not effectually to dispel the heat and cool down the motor group to aerogenerator inside to have solved current heat sink, and the heat sink problem that stability is not good when work moreover.

The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims

1. The utility model provides a novel cooling device for aerogenerator, a serial communication port, including casing (1), the bottom and the one end of casing are provided with thermovent and louvre respectively, the inside of casing is provided with power generation facility (3), be provided with pivot (4) in power generation facility (3), power generation facility's both ends are stretched out at the both ends of pivot, the tip and fan blade (6) of casing are passed to the one end of pivot (4) are connected, power generation facility's bottom is provided with first radiator vane (11), first radiator vane (11) are connected through the one end meshing of accelerating gear group with pivot (4), the tip of the pivot (4) other end is provided with driving gear (9), driving gear (9) are connected with second radiator vane (13) through accelerating gear structure, second radiator vane (13) are just to the fan hot hole of casing tip.

2. The cooling device for the novel wind driven generator according to claim 1, wherein the accelerating gear set comprises a bevel gear set, a first gear (10) and a second gear (18), the first cooling fin is connected with the bottom surface of the fixed seat (2) through a connecting shaft, the second gear (18) is fixedly connected with the connecting shaft, a transmission shaft is arranged at the bottom of the fixed seat, the first gear (10) is fixedly connected with the transmission shaft and meshed with the second gear (18), and the first gear (10) is meshed with one end of the rotating shaft through the bevel gear set.

3. The cooling device for the wind driven generator according to claim 2, wherein the helical gear set comprises a first helical gear (7) and a second helical gear (19) which are meshed with each other, the first helical gear (7) is fixedly connected to the rotating shaft, the second helical gear (19) is fixedly sleeved on the transmission shaft, and the axes of the first helical gear (7) and the second helical gear (19) are arranged at a right angle.

4. The cooling device for a wind power generator according to claim 2, wherein the diameter of the first gear (10) is larger than the diameter of the second gear (18).

5. The cooling device for the novel wind driven generator according to claim 1, wherein the accelerating gear structure comprises a rotating shaft and a gear shaft (17) coaxially connected with the rotating shaft, a shaft bracket (8) is arranged at the inner top of the casing, the rotating shaft is arranged on the shaft bracket (8) through a bearing, the gear shaft (17) is meshed with the driving gear (9), the second radiating blade (13) is fixedly connected to the end of the rotating shaft, and the diameter of the driving gear (9) is larger than that of the gear shaft (17).

6. The cooling device for the novel wind driven generator according to claim 5, wherein the number of the second cooling fins (13) is two, the two second cooling fins are symmetrically arranged on two sides of the driving gear (9), and the two second cooling fins are respectively meshed with the driving gear (9) through an accelerating gear structure.

7. The cooling device for the wind driven generator according to claim 5, wherein the heat dissipation opening (14) is located at the bottom of the casing, the heat dissipation opening (14) is connected with an arc-shaped connection block (15), and the air flow enters the inside of the casing through the heat dissipation opening after entering from the two ends of the arc shape.

8. The cooling device for the wind driven generator according to claim 7, wherein the bottom of the connecting block (15) is connected with a tower (16), and the casing is supported in the air through the tower.

9. The cooling device for the wind driven generator according to claim 1, wherein a plurality of cooling fins are uniformly distributed on the surface of the casing, and the cooling fins are arranged along the axial direction of the casing.

10. The cooling device for the novel wind driven generator according to claim 1, wherein a fixed seat (2) is arranged at the inner top of the casing, the power generation device is arranged in the fixed seat, and the power generation device is arranged in the casing in a suspended manner through the fixed seat.