CN213419273U

CN213419273U - Cooling and heat dissipating device for wind generating set

Info

Publication number: CN213419273U
Application number: CN202022220391.1U
Authority: CN
Inventors: 郝锦强; 张连营; 张月梅
Original assignee: Ruitexi Tianjin Electrical Equipment Technology Co ltd
Current assignee: Ruitexi Tianjin Electrical Equipment Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-11
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to the field of wind generating sets, and discloses a cooling and heat dissipating device for a wind generating set, which comprises a shell, a generator, a gear box, a bracket and an impeller, wherein the impeller is connected with the gear box through a low-speed shaft, the gear box is connected with the generator through the gear set, the bracket is fixedly connected in the shell, the gear box and the generator are both fixedly connected on the bracket, the tail part of the shell is provided with a heat dissipating net, a wind flowing part is arranged in the shell, outside air can enter the shell through a through hole and then flows out through the heat dissipating net to directly dissipate heat of the generator in the shell, when the outside wind is small, the fan blade can be driven by a motor to rotate, the wind quantity of the outside air entering the shell through the through hole is increased, thereby the heat dissipating capacity is increased, the heat dissipating speed is increased, thereby adjusting the air intake to adjust the heat dissipation capacity.

Description

Cooling and heat dissipating device for wind generating set

Technical Field

The utility model relates to a wind generating set field, more specifically the cooling heat abstractor who relates to a be used for wind generating set that says so.

Background

The wind generating set comprises an impeller and a generator; the impeller comprises blades, a hub, a reinforcing member and the like; it has the functions of wind driven blade rotation to generate electricity, generator head rotation, etc. The wind power generation power supply comprises a wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like;

megawatt wind generating sets often generate higher heat in the use process, and further affect the working efficiency of the wind generating sets. In order to ensure normal, efficient and safe operation of the wind generating set, main heating components such as an exciter, a generator, a frequency converter, a transformer and the like must be reasonably cooled.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a cooling heat abstractor for wind generating set for to wind generating set's heat dissipation.

In order to achieve the above purpose, the utility model provides a following technical scheme: a cooling and heat dissipating device for a wind generating set comprises a shell, a generator, a gear box, a support and an impeller, wherein the impeller is connected with the gear box through a low-speed shaft, the gear box is connected with the generator through a gear set, the support is fixedly connected in the shell, the gear box and the generator are both fixedly connected on the support, a heat dissipating net is arranged at the tail part of the shell, a wind flowing part is arranged in the shell and comprises two arc-shaped plates which are symmetrically arranged along the central axis of the low-speed shaft and are integrally formed, a connecting block is rotatably connected on the low-speed shaft, the two arc-shaped plates are fixedly connected with the inner wall of the shell through the connecting block, a plurality of through holes are formed in the outer side surface of the shell, and the through holes are uniformly distributed along the circumferential direction of the low-speed shaft, the fan blade assembly is arranged in the shell, two air inlets are formed in the outer side face of the shell and are arranged oppositely, the air inlets are hinged to cover plates used for sealing the air inlets, a power assembly is arranged in the shell and is used for driving the cover plates to rotate, and the air inlets are formed in the fan blade assembly and the arc plates.

As a further improvement of the present invention, the through hole is inclined and disposed, and the through hole is close to the one end of the impeller is less than the distance of the low-speed shaft the through hole is kept away from the one end of the impeller is less than the distance of the low-speed shaft.

As a further improvement of the utility model, one end of the two arc-shaped plates far away from the impeller is respectively provided with a flow guide part, the flow guide part comprises arc-shaped flow guide plates and arc-shaped fixed plates, the arc-shaped flow guide plates correspond to the arc-shaped plates one by one, and are fixedly connected, the vertical distance between one end of the arc-shaped guide plate close to the arc-shaped plate and the low-speed shaft is greater than the vertical distance between one end of the arc-shaped guide plate far away from the arc-shaped plate and the low-speed shaft, the two arc-shaped guide plates are integrally formed, the arc-shaped fixed plates and the arc-shaped guide plates are in one-to-one correspondence, and the arc-shaped fixing plates are fixedly connected with the inner wall of the shell, the vertical distance between one end, close to the arc-shaped plate, of each arc-shaped fixing plate and the low-speed shaft is larger than the vertical distance between one end, far away from the arc-shaped plate, of each arc-shaped fixing plate and the low-speed shaft, and the two arc-shaped fixing plates are integrally formed.

As a further improvement of the utility model, the bottom of the shell is provided with a one-way valve.

As a further improvement of the utility model, the flabellum subassembly includes flabellum and motor, shell inner wall fixedly connected with backup pad, motor fixed connection be in the backup pad, motor output end fixedly connected with the flabellum.

As a further improvement of the utility model, power component includes electric putter, electric putter fixed connection be in the shell, electric putter's output fixedly connected with ring, the ring with shell inner wall sliding connection, the ring is followed low-speed axle length direction slides, two dead levers of fixedly connected with on the ring, the dead lever with the air intake one-to-one, it has the push rod to articulate on the dead lever, the push rod with the apron is articulated.

As a further improvement, the fixedly connected with filter screen of air intake department, the dead lever with filter screen sliding connection.

The utility model has the advantages that: the utility model discloses in external air can get into the shell through the through-hole in, then flow through the radiator-grid, directly dispel the heat to the generator etc. in the shell, when external wind-force is less, can drive the flabellum through the motor and rotate, increase the amount of wind that external air passes through the through-hole and gets into the shell to increase the heat dissipation capacity, with increase the radiating rate, drive the apron through power component and rotate, make the air intake open or closed, thereby adjust the intake, adjust the heat dissipation capacity.

Drawings

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

fig. 2 is a schematic sectional structure diagram of the present invention.

Reference numerals: 1. a housing; 11. a generator; 12. a gear case; 13. a support; 14. an impeller; 15. a low speed shaft; 16. a heat-dissipating web; 17. a through hole; 18. an air inlet; 2. an arc-shaped plate; 21. connecting blocks; 3. a fan blade assembly; 31. a fan blade; 32. a motor; 33. a support plate; 4. a cover plate; 5. a power assembly; 51. an electric push rod; 52. a circular ring; 53. fixing the rod; 6. a flow guide part; 61. an arc-shaped guide plate; 62. an arc-shaped fixing plate; 7. a one-way valve; 8. and (5) filtering by using a filter screen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 and 2, a cooling heat dissipation device for a wind generating set of this embodiment includes a housing 1, a generator 11, a gear box 12, a support 13 and an impeller 14, the impeller 14 is connected to the gear box 12 through a low-speed shaft 15, the gear box 12 is connected to the generator 11 through a gear set, the support 13 is fixedly connected to the housing 1, the gear box 12 and the generator 11 are both fixedly connected to the support 13, a heat dissipation net 16 is disposed at the tail of the housing 1, a wind flowing portion is disposed in the housing 1, the wind flowing portion includes two arc-shaped plates 2, the two arc-shaped plates 2 are symmetrically disposed along the central axis of the low-speed shaft 15, the two arc-shaped plates 2 are integrally formed, a connection block 21 is rotatably connected to the low-speed shaft 15, the two arc-shaped plates 2 are fixedly connected to the inner wall of the housing 1 through the connection block 21, a plurality of through holes 17 are disposed on the, and, when external rainwater passed through in the through-hole 17 gets into shell 1, the rainwater passes through arc 2 and flows downwards, 15 circumference evenly distributed of low-speed axle are followed to a plurality of through-hole 17, make in external air more even getting into shell 1, be provided with flabellum subassembly 3 in the shell 1, flabellum subassembly 3's setting, under the less condition of external wind-force, can dispel the heat in the shell 1 through flabellum subassembly 3, two air intakes 18 have been seted up to shell 1 lateral surface, two air intakes 18 set up relatively, two air intakes 18 department articulates there is apron 4 that is used for sealed air intake 18, be provided with power component 5 in the shell 1, power component 5 is used for driving apron 4 to rotate, air intake 18 sets up between flabellum subassembly 3 and arc 2. The cover plate 4 can be rotated by the power assembly 5, so that the air inlet 18 is opened, the air quantity entering the shell 1 is increased, and the heat dissipation is increased.

Referring to fig. 1 and 2, the through hole 17 is obliquely arranged, and the distance from one end of the through hole 17 close to the impeller 14 to the low-speed shaft 15 is smaller than the distance from one end of the through hole 17 far from the impeller 14 to the low-speed shaft 15, so that rainwater can be prevented from entering the housing 1 through the through hole 17 to damage various electric appliances in the housing 1.

Referring to fig. 2, the end of the two arc plates 2 far away from the impeller 14 is respectively provided with a flow guiding part 6, the flow guiding part 6 comprises arc flow guiding plates 61 and arc fixing plates 62, the arc flow guiding plates 61 correspond to the arc plates 2 one by one and are fixedly connected, the vertical distance from the end of the arc flow guiding plate 61 close to the arc plate 2 to the low speed shaft 15 is larger than the vertical distance from the end of the arc flow guiding plate 61 far away from the arc plate 2 to the low speed shaft 15, the two arc flow guiding plates 61 are integrally formed, the arc fixing plates 62 correspond to the arc flow guiding plates 61 one by one and are fixedly connected with the inner wall of the housing 1, the vertical distance from the end of the arc fixing plate 62 close to the arc plate 2 to the low speed shaft 15 is larger than the vertical distance from the end of the arc fixing plate 62 far away from the arc plate 2 to the low speed shaft 15, the two arc fixing plates 62 are integrally formed, and the flow, the flow direction may be directed at the generator 11 to facilitate heat dissipation from the generator 11. The bottom of the shell 1 is provided with a one-way valve 7, and the one-way valve 7 is arranged so that rainwater entering the shell 1 can be discharged.

Referring to fig. 2, the fan blade assembly 3 includes a fan blade 31 and a motor 32, a supporting plate 33 is fixedly connected to an inner wall of the housing 1, the motor 32 is fixedly connected to the supporting plate 33, the fan blade 31 is fixedly connected to an output end of the motor 32, and the motor 32 drives the fan blade 31 to rotate to send heat in the housing 1 out of the housing 1.

Referring to fig. 2, the power assembly 5 includes an electric push rod 51, the electric push rod 51 is fixedly connected in the housing 1, an output end of the electric push rod 51 is fixedly connected with a ring 52, the ring 52 is slidably connected with an inner wall of the housing 1, the ring 52 slides along the length direction of the low-speed shaft 15, two fixing rods 53 are fixedly connected to the ring 52, the fixing rods 53 are in one-to-one correspondence with the air inlets 18, push rods are hinged to the fixing rods 53, the push rods are hinged to the cover plate 4, the electric push rod 51 is started to push the ring 52 to move towards one side of the impeller 14, so that the fixing rods 53 move towards one side of the impeller 14, the fixing rods 53 enable the.

Referring to fig. 1 and 2, a filter screen 8 is fixedly connected to the air inlet 18, a fixing rod 53 is slidably connected to the filter screen 8, and the filter screen 8 is arranged to prevent excessive dust from entering the housing 1.

The working principle is as follows: external air can get into in the shell 1 through the through-hole 17, then flow out through radiator-grid 16, directly dispel the heat to generator 11 etc. in the shell 1, when external wind-force is less, can drive flabellum 31 through motor 32 and rotate, increase the amount of wind that external air passes through-hole 17 and gets into shell 1, through electric putter 51, can drive the fixed plate and remove towards impeller 14 one side, the fixed plate passes through the push rod and drives apron 4 and rotate for air intake 18 opens, increases the intake.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a cooling heat abstractor for wind generating set, includes shell (1), generator (11), gear box (12), support (13) and impeller (14), impeller (14) through low-speed axle (15) with gear box (12) are connected, gear box (12) through the gear train with generator (11) are connected, support (13) fixed connection is in shell (1), gear box (12) with the equal fixed connection of generator (11) is in on support (13), shell (1) afterbody is provided with radiator-grid (16), its characterized in that: the fan blade assembly is characterized in that a wind flowing portion is arranged in the shell (1) and comprises two arc-shaped plates (2), the two arc-shaped plates (2) are symmetrically arranged along the central axis of the low-speed shaft (15) and are integrally formed, a connecting block (21) is rotatably connected to the low-speed shaft (15), the two arc-shaped plates (2) are fixedly connected with the inner wall of the shell (1) through the connecting block (21), a plurality of through holes (17) are formed in the outer side surface of the shell (1), the plurality of through holes (17) are uniformly distributed along the circumferential direction of the low-speed shaft (15), a fan blade assembly (3) is arranged in the shell (1), two air inlets (18) are formed in the outer side surface of the shell (1), the two air inlets (18) are oppositely arranged, and cover plates (4) used for sealing the air inlets (18) are hinged to the two air inlets (18), be equipped with power component (5) in shell (1), power component (5) are used for driving apron (4) rotate, air intake (18) set up flabellum subassembly (3) with between arc (2).

2. The cooling and heat dissipating device for a wind turbine generator set according to claim 1, wherein: the through hole (17) is obliquely arranged, and the distance from one end, close to the impeller (14), of the through hole (17) to the low-speed shaft (15) is smaller than the distance from one end, far away from the impeller (14), of the through hole (17) to the low-speed shaft (15).

3. The cooling and heat dissipating device for a wind turbine generator set according to claim 1, wherein: two arc (2) are kept away from the one end of impeller (14) is provided with water conservancy diversion portion (6) respectively, water conservancy diversion portion (6) include arc guide plate (61) and arc fixed plate (62), arc guide plate (61) with arc (2) one-to-one to fixed connection, arc guide plate (61) are close to the one end of arc (2) is apart from the perpendicular distance of low-speed axle (15) is greater than arc guide plate (61) is kept away from the one end of arc (2) is apart from the perpendicular distance of low-speed axle (15), two arc guide plate (61) integrated into one piece, arc fixed plate (62) with arc guide plate (61) one-to-one, and with shell (1) inner wall fixed connection, arc fixed plate (62) are close to the one end of arc (2) is apart from the perpendicular distance of low-speed axle (15) is greater than arc fixed plate (62) is kept away from arc (2) Is away from the low-speed shaft (15) by a vertical distance, and the two arc-shaped fixing plates (62) are integrally formed.

4. The cooling and heat dissipating device for a wind turbine generator set according to claim 3, wherein: the bottom of the shell (1) is provided with a one-way valve (7).

5. The cooling and heat dissipating device for a wind turbine generator set according to claim 1, wherein: fan blade subassembly (3) include flabellum (31) and motor (32), shell (1) inner wall fixedly connected with backup pad (33), motor (32) fixed connection be in on backup pad (33), motor (32) output end fixedly connected with flabellum (31).

6. The cooling and heat dissipating device for a wind turbine generator set according to claim 1, wherein: power component (5) includes electric putter (51), electric putter (51) fixed connection be in shell (1), the output fixedly connected with ring (52) of electric putter (51), ring (52) with shell (1) inner wall sliding connection, ring (52) are followed low-speed axle (15) length direction slides, two dead levers (53) of fixedly connected with on ring (52), dead lever (53) with air intake (18) one-to-one, it has the push rod to articulate on dead lever (53), the push rod with apron (4) are articulated.

7. The cooling and heat dissipating device for a wind turbine generator set according to claim 6, wherein: air intake (18) department fixedly connected with filter screen (8), dead lever (53) with filter screen (8) sliding connection.