CN217501878U

CN217501878U - Cooling device for wind driven generator

Info

Publication number: CN217501878U
Application number: CN202220381596.4U
Authority: CN
Inventors: 白伟云
Original assignee: Burjin Guoyuan Tianli Wind Power Generation Co ltd
Current assignee: Burjin Guoyuan Tianli Wind Power Generation Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-09-27
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a cooling device for a wind driven generator, which comprises an outer shell, wherein one end of the outer shell is provided with a supporting bearing, the supporting bearing is provided with a fan blade shaft, the bottom and the top of the inner wall of the outer shell are provided with supporting frames, a generator set is arranged between the supporting frames, the fan blade shaft is a central shaft of the generator set, the periphery of the generator set is provided with a spiral heat absorption pipe, the two sides of the generator set are provided with a first heat dissipation fan and a second heat dissipation fan, the top of the outer shell is provided with a water tank, the bottom of the water tank is provided with a water feeding pipe connected with the spiral heat absorption pipe, the bottom of the spiral heat absorption pipe is connected with a sewer pipe, and the arranged first heat dissipation fan and the second heat dissipation fan, can carry out good heat dissipation of admitting air to the inside generating set of shell body, through the circulation water-cooling heat dissipation that water tank, water-feeding pipe, spiral cooling tube, downcomer, water pump, spiral cooling tube are constituteed can be fine dispel the heat to generating set.

Description

Cooling device for wind driven generator

Technical Field

The utility model belongs to the technical field of aerogenerator, specifically be a heat sink 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 power generators are generally composed of wind wheels, generators (including devices), direction regulators (empennages), towers, speed-limiting safety mechanisms, energy storage devices and other members, and a heat dissipation device is often additionally arranged around the generators.

The utility model discloses a novel cooling device for wind driven generator, which is disclosed in the grant notice No. CN213547305U, and comprises a shell, a motor group and a generating fan group, wherein the motor group is connected inside the shell, the generating fan group is connected with the motor group, the generator group and the shell are provided with a cooling and dedusting mechanism, the upper cover is connected on the upper surface of the shell, a bearing A is fixedly sleeved in the circular cavity A, a shaft rod A is fixedly sleeved in the bearing A, wind driven blades are fixedly connected at the upper end of the shaft rod A, a gear A is fixedly sleeved at the lower end of the shaft rod A, a bearing B is fixedly sleeved in the circular cavity B, the shaft rod B is fixedly sleeved in the bearing B, and the gear B is fixedly sleeved on the shaft rod B, the heat radiation fan B is fixedly connected to the lower end of the shaft lever B. The utility model discloses simple structure, effectual cooling to the internal portion of generating set to can clear up inside dust, make generating set operation stable.

But foretell a novel for aerogenerator heat sink, the cooling mode is single can not carry out effectual cooling to generating set, can lead to inside high temperature to cause the unit to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat sink for aerogenerator to solve the problem that can not effectual cooling.

In order to achieve the above object, the utility model provides a following technical scheme: a cooling device for a wind driven generator comprises an outer shell, wherein a supporting bearing is installed at one end of the outer shell, a fan blade shaft is installed on the supporting bearing and used for supporting rotation of the fan blade shaft, supporting frames are arranged at the bottom and the top of the inner wall of the outer shell, a generator set is installed between the supporting frames and used for supporting and fixing the generator set, the fan blade shaft is a central shaft of the generator set, the rotation of the fan blade shaft brings power generation for the generator set, a spiral heat absorption pipe is installed at the periphery of the generator set, water circulation can be conducted inside the spiral heat absorption pipe, the spiral heat absorption pipe surrounds the generator set and can absorb heat for the generator set, a first cooling fan and a second cooling fan are installed at two sides of the generator set and used for cooling the inside of the outer shell, a water tank is installed at the top of the outer shell, the water tank is used for supplying water for water cooling, a water feeding pipe connected with the spiral heat absorption pipe is arranged at the bottom of the water tank, water in the water tank is introduced into the spiral heat absorption pipe through the water feeding pipe to absorb heat and dissipate heat of the generator set, the bottom of the spiral heat absorption pipe is connected with the sewer pipe, and water absorbed by the spiral heat absorption pipe is introduced into the sewer pipe.

Preferably, first heat dissipation fan is installed on the fan blade axle between generating set and the support bearing, the both sides of support bearing are provided with the mesh of admitting air, and the rotation of fan blade axle drives the rotation of first heat dissipation fan, then first heat dissipation fan dispels the heat to generating set and spiral heat absorption pipe in with the air insufflation shell body through the mesh of admitting air.

Preferably, install the spiral cooling tube between second heat dissipation fan and the shell body, the shell body of spiral cooling tube one side is provided with the heat dissipation mesh, and the rotation of second heat dissipation fan can dispel the heat to the spiral cooling tube and make hot water cooling, then discharges the heat of shell body inside through the heat dissipation mesh.

Preferably, the bottom and the sewer pipe of the spiral radiating pipe are both connected with a water pump, the top of the spiral radiating pipe is arranged at the bottom of the water tank, water after heat absorption can enter the water tank through the water pump, and then water circulation is formed for heat dissipation.

Preferably, spiral cooling tube all is provided with the filter ball with the top port of upper hose, blocks up influence liquid cooling heat dissipation in can avoiding the inside impurity of water tank to get into the water pipe through the filter ball that sets up.

Preferably, the top of water tank is provided with the toper frame, be provided with the inlet opening between toper frame and the water tank, can make the rainwater through the inlet opening through the toper frame that sets up and supply into in the water tank, leave little inlet opening and can reduce the inside water evaporation of water tank.

Preferably, the arc filter screen is installed at the top of toper frame, and the top of arc filter screen is the peak, can filter the water and the rainwater of filling, treats through the arc setting moreover that arc filter screen air-dries the back, and impurity such as dust can be blown down by automatic.

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

1. the generator set in the outer shell can be well subjected to air intake and heat dissipation through the arranged first heat dissipation fan and the second heat dissipation fan;

2. the circulating water cooling heat dissipation formed by the water tank, the water feeding pipe, the spiral heat dissipation pipe, the sewer pipe, the water pump and the spiral heat dissipation pipe can well dissipate heat of the generator set.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention.

In the figure: 1. an outer housing; 2. a support bearing; 3. a fan blade shaft; 4. a first heat dissipation fan; 5. an air inlet mesh; 6. a support frame; 7. a generator set; 8. a spiral heat absorbing pipe; 9. a sewer pipe; 10. a water feeding pipe; 11. a water pump; 12. a spiral radiating pipe; 13. radiating meshes; 14. a second heat dissipation fan; 15. filtering balls; 16. a water tank; 17. a conical frame; 18. a water inlet hole; 19. an arc-shaped filter screen.

Detailed Description

Referring to fig. 1 and 2, a cooling device for a wind turbine generator includes an outer casing 1, a support bearing 2 is installed at one end of the outer casing 1, a fan blade shaft 3 is installed on the support bearing 2, the support bearing 2 is used for supporting rotation of the fan blade shaft 3, support frames 6 are installed at the bottom and the top of the inner wall of the outer casing 1, a generator set 7 is installed between the support frames 6, the support frames 6 are used for supporting and fixing the generator set 7, the fan blade shaft 3 is a central shaft of the generator set 7, the rotation of the fan blade shaft 3 brings power generation for the generator set 7, a spiral heat absorption pipe 8 is installed at the periphery of the generator set 7, water circulation can be conducted inside the spiral heat absorption pipe 8, the spiral heat absorption pipe 8 surrounds the generator set 7 and can absorb heat for the generator set 7, a first heat dissipation fan 4 and a second heat dissipation fan 14 are installed at two sides of the generator set 7, the first heat dissipation fan 4 and the second heat dissipation fan 14 are used for dissipating heat inside the outer casing 1, the water tank 16 is installed at the top of the outer shell 1, the water tank 16 is used for providing water for water cooling and heat dissipation, the water feeding pipe 10 is arranged at the bottom of the water tank 16 and connected with the spiral heat absorption pipe 8, water in the water tank 16 is introduced into the spiral heat absorption pipe 8 through the water feeding pipe 10 to absorb heat and dissipate heat for the generator set 7, the bottom of the spiral heat absorption pipe 8 is connected with the sewer pipe 9, and water absorbed by the spiral heat absorption pipe 8 is introduced into the sewer pipe 9.

Referring to fig. 1, a first heat dissipation fan 4 is installed on a fan blade shaft 3 between a generator set 7 and a support bearing 2, air inlet mesh openings 5 are formed in two sides of the support bearing 2, the rotation of the fan blade shaft 3 drives the first heat dissipation fan 4 to rotate, and then the first heat dissipation fan 4 blows air into an outer shell 1 through the air inlet mesh openings 5 to dissipate heat of the generator set 7 and a spiral heat absorption pipe 8.

Referring to fig. 1, a spiral radiating pipe 12 is installed between a second radiating fan 14 and an outer casing 1, a radiating mesh 13 is disposed on the outer casing 1 at one side of the spiral radiating pipe 12, the rotation of the second radiating fan 14 can radiate heat from the spiral radiating pipe 12 to cool hot water, and then the heat inside the outer casing 1 is discharged through the radiating mesh 13.

Referring to fig. 1 and 2, the bottom of the spiral radiating pipe 12 and the sewer pipe 9 are both connected to the water pump 11, the top of the spiral radiating pipe 12 is disposed at the bottom of the water tank 16, and the water pump 11 can make the water after absorbing heat enter the water tank 16, and then form a water circulation to dissipate heat.

Referring to fig. 1 and 2, the spiral radiating pipe 12 and the top end of the upper water pipe 10 are both provided with filter balls 15, and the filter balls 15 can prevent impurities in the water tank 16 from entering the water pipe to block the water pipe and affect water-cooling radiation.

Referring to fig. 1 and 2, a conical frame 17 is disposed on the top of the water tank 16, a water inlet 18 is disposed between the conical frame 17 and the water tank 16, rainwater can be replenished into the water tank 16 through the water inlet 18 by the conical frame 17, and the water evaporation in the water tank 16 can be reduced by the small water inlet 18.

Referring to fig. 1 and 2, an arc filter screen 19 is installed at the top of the conical frame 17, the top of the arc filter screen 19 is the highest point, so that filled water and rainwater can be filtered, and after the arc filter screen 19 is air-dried, impurities such as dust can be automatically blown off.

The working principle of the scheme is as follows: when the device is used, the rotation of the fan blade shaft 3 drives the rotation of the first heat dissipation fan 4 and the second heat dissipation fan 14, the rotation of the first heat dissipation fan 4 blows in the external air into the outer shell 1 through the air inlet mesh openings 5, then the spiral heat absorption pipe 8 absorbs heat and dissipates heat to the generator set 7, meanwhile, the first heat dissipation fan 4 can also dissipate heat to the spiral heat absorption pipe 8, then the second heat dissipation fan 14 dissipates heat from the heat inside the outer shell 1 through the heat dissipation mesh openings 13, and meanwhile, the spiral heat dissipation pipe 12 can also be dissipated.

Last water pipe 10 that 8 tops of spiral heat absorption pipe are connected sets up in water tank 16, downcomer 9 that 8 bottoms of spiral heat absorption pipe are connected on water pump 11, then spiral cooling tube 12 is connected at the top of water pump 11, the top setting of spiral cooling tube 12 is in water tank 16, water enters into spiral heat absorption pipe 8 through last water pipe 10 and carries out the heat absorption heat dissipation to generating set 7, then get into in downcomer 9 through water pump 11 with the water suction to spiral cooling tube 12 in the cooling that dispels the heat, then cool water enters into water tank 16, form the hydrologic cycle heat dissipation.

Claims

1. The utility model provides a heat sink for aerogenerator, includes shell body (1), its characterized in that: support bearing (2) are installed to shell body (1) one end, install fan blade axle (3) on support bearing (2), the bottom and the top of shell body (1) inner wall are provided with support frame (6), install generating set (7) between support frame (6), fan blade axle (3) are the center pin of generating set (7), spiral heat absorption pipe (8) are installed to the periphery of generating set (7), first heat dissipation fan (4) and second heat dissipation fan (14) are installed to the both sides of generating set (7), water tank (16) are installed at the top of shell body (1), the bottom of water tank (16) is provided with water pipe (10) and is connected with spiral heat absorption pipe (8), the bottom and the downcomer (9) of spiral heat absorption pipe (8) are connected.

2. The cooling device for the wind power generator according to claim 1, wherein: first heat dissipation fan (4) are installed on fan blade axle (3) between generating set (7) and support bearing (2), the both sides of support bearing (2) are provided with air inlet mesh (5).

3. The cooling device for the wind power generator according to claim 1, wherein: install spiral cooling tube (12) between second heat dissipation fan (14) and shell body (1), shell body (1) of spiral cooling tube (12) one side is provided with heat dissipation mesh hole (13).

4. The cooling device for the wind power generator according to claim 3, wherein: the bottom of the spiral radiating pipe (12) and the sewer pipe (9) are both connected with the water pump (11), and the top of the spiral radiating pipe (12) is arranged at the bottom of the water tank (16).

5. The cooling device for the wind power generator according to claim 3, wherein: and filter balls (15) are arranged at the top ports of the spiral radiating pipe (12) and the water feeding pipe (10).

6. The cooling device for the wind power generator according to claim 1, wherein: the top of the water tank (16) is provided with a conical frame (17), and a water inlet hole (18) is arranged between the conical frame (17) and the water tank (16).

7. The cooling device for the wind power generator according to claim 6, wherein: and an arc-shaped filter screen (19) is arranged at the top of the conical frame (17).