Heat dissipation device for wind power tower drum

Abstract

The utility model relates to the technical field of wind power generation, and discloses a wind power tower tube heat dissipation device which comprises a tower body, an air inlet pipe and an air outlet pipe, the bottom of the tower body is connected with a first waterproof elbow through the air inlet pipe, an installation ring is arranged in the first waterproof elbow, a dust filtering net is welded to the installation ring through a support, and the air outlet pipe is connected with the air inlet pipe. A vibration motor is installed at the top end of the support, the top of the tower body is connected with a guide pipe through an air outlet pipe, and the air outlet pipe is connected with the tower body through a reinforcing assembly; the utility model has the beneficial effects that air supply and air exhaust can be respectively performed through the bottom and the top of the tower body through the air supply fan and the air draft fan, airflow can vertically rise through the interior of the tower body, the conveying path of the airflow is expanded, heat can be carried to be discharged through the air outlet pipe at the top of the tower body, heat accumulation at the top of the tower body can be prevented, and the service life of the tower body is prolonged. The overall heat dissipation effect in the tower body is improved, and the dust filtering net can filter dust in airflow in the air inlet process.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power generation, in particular to a wind power tower heat dissipation device. Background Art

[0002] Wind power generation is the conversion of wind kinetic energy into electrical energy. As a clean and renewable energy, wind energy is increasingly valued by countries around the world. It has a huge reserve. The wind turbine tower is the tower pole of wind power generation. It mainly supports the wind turbine generator set and absorbs the vibration of the unit.

[0003] Its application number is "CN202123097760.3", which discloses a "heat dissipation device and a wind turbine tower", which "includes a heat collecting cover with a heat collecting hole on the side, which is connected to the heat dissipation outlet of the converter inside the tower; a heat dissipation pipe, one end of which is connected to the heat collecting cover, and the other end extends out of the tower and is connected to the outside world; and a fan is arranged on the heat dissipation pipe and is configured to discharge the heat in the heat dissipation pipe. In the utility model, the hot air discharged from the converter in the tower can be directly drawn to the outside, so that the temperature inside the tower will not be too high, the electrical components will not be affected by the high temperature, and the heat dissipation effect is good.

[0004] However, the above method still has the following defects: the heat dissipation of the converter can be achieved through the heat dissipation device, but the airflow needs to be transported through the heat dissipation pipe. The setting of the heat dissipation pipe closes the airflow transportation path, occupies more internal space of the tower, and it is difficult to cool the entire interior of the wind turbine tower through the airflow. The waste heat of the converter can easily rise to the top of the wind turbine tower, causing heat accumulation at the top of the wind turbine tower. Utility Model Content

[0005] The utility model aims to provide a wind turbine tower heat dissipation device to solve the problem that the setting of the heat dissipation pipe proposed in the above background technology blocks the air flow transmission path, occupies more internal space of the tower, and is difficult to cool the entire interior of the wind turbine tower through air flow.

[0006] The utility model provides the following technical scheme: a wind power tower heat dissipation device, comprising a tower body, an air inlet pipe and an air outlet pipe, the bottom of the tower body is connected with a waterproof elbow one through the air inlet pipe, a mounting ring is arranged inside the waterproof elbow one, a dust filter is welded to the mounting ring through a bracket, a vibration motor is installed on the top of the bracket, the top of the tower body is connected with a duct through the air outlet pipe, the air outlet pipe is connected to the tower body through a reinforcement component, a supply fan and an exhaust fan are respectively arranged inside the air inlet pipe and the air outlet pipe, a baffle is arranged inside the duct, the top of the baffle is connected with a worm gear through a rotating shaft, and the worm gear is driven by a driving component, and the air outlet end of the duct is connected with a waterproof elbow two.

[0007] As a preferred technical solution of the utility model, the reinforcement assembly includes a reinforcing rod, a mounting plate and a pad. One end of the reinforcing rod is welded to the second waterproof elbow, and the other end of the reinforcing rod is welded to the mounting plate. One side of the mounting plate is fixedly connected to the pad by screws, and one side of the pad is welded to the top of the tower body.

[0008] As a preferred technical solution of the utility model, the bottom of the supply fan and the bottom of the exhaust fan are respectively fixedly provided with a support one and a support two, and the support one and the support two are respectively fixedly connected to the inside of the air inlet duct and the inside of the air outlet duct.

[0009] As a preferred technical solution of the utility model, the input end of the air inlet pipe is fixedly connected to the output end of the waterproof elbow 1 through a flange, and the input end and output end of the duct are fixedly connected to the output end of the air outlet pipe and the input end of the waterproof elbow 2 through flanges respectively.

[0010] As a preferred technical solution of the utility model, ventilation holes are provided at the bottom and the top of the tower body, and the output end of the air inlet pipe and the input end of the air outlet pipe are welded to the tower body through the ventilation holes.

[0011] As a preferred technical solution of the utility model, the driving assembly includes a support plate and a motor, the top of the support plate is respectively fixed with a motor and a channel steel, the channel steel is rotatably connected to a worm, the output shaft of the motor is connected to one end of the worm, and the worm is meshingly connected to the worm wheel.

[0012] As a preferred technical solution of the utility model, a chassis is fixedly provided on the top of the conduit, the support plate is fixedly connected to the inner wall of the chassis, the rotating shaft is rotatably connected to the support plate through a bearing, and the motor, worm and worm gear are all located inside the chassis.

[0013] As a preferred technical solution of the utility model, a positioning ring is welded inside the waterproof elbow 1, and the top end of the mounting ring is fixedly connected to the bottom end of the positioning ring by bolts.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The supply fan and exhaust fan can supply and exhaust air through the bottom and top of the tower body respectively. The airflow can rise vertically through the inside of the tower body, expanding the airflow transmission path, and can carry heat and discharge it through the air outlet pipe on the top of the tower body, which can prevent heat accumulation on the top of the tower body and improve the overall heat dissipation effect of the tower body without occupying the internal space of the tower body. During the air intake process, the dust filter can filter the dust in the airflow, and the dust is not easy to enter the tower body. The dust filter can be vibrated regularly by the vibration motor to shake off the dust attached to its surface. The dust filter is not easy to be blocked, and its ventilation capacity can be guaranteed.

[0016] 2. The worm gear is driven by the driving component to open and close the baffle, and the ventilation volume can be adjusted at the same time. After stopping the heat dissipation, the duct can be blocked by closing the baffle to prevent flying creatures from entering the tower through the duct. In the process of air inlet and outlet through waterproof elbows 1 and 2, it can play a waterproof role and prevent rainwater from flowing into the tower through waterproof elbows 1 and 2. The reinforcement component can reinforce the waterproof elbow 2 and the top of the tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the air inlet pipe of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the air outlet duct of the utility model;

[0020] Figure 4 It is a structural schematic diagram of a cross section of the waterproof elbow of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the cross section of the catheter of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the drive assembly of the utility model.

[0023] In the figure: 1. tower body; 2. air inlet pipe; 3. waterproof elbow 1; 4. air supply fan; 5. support 1; 6. positioning ring; 7. mounting ring; 8. dust filter; 9. bracket; 10. vibration motor; 11. air outlet pipe; 12. duct; 13. waterproof elbow 2; 14. reinforcement assembly; 1401. reinforcement rod; 1402. mounting plate; 1403. screw; 1404. pad; 15. baffle; 16. rotating shaft; 17. worm gear; 18. chassis; 19. drive assembly; 1901. support plate; 1902. motor; 1903. worm; 1904. channel steel; 20. exhaust fan; 21. support 2; 22. flange. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] See also Figures 1 to 6In the embodiment of the utility model, the wind power tower heat dissipation device includes a tower body 1, an air inlet pipe 2 and an air outlet pipe 11. The bottom of the tower body 1 is connected with a waterproof elbow 3 through the air inlet pipe 2. The waterproof elbow 3 is provided with a mounting ring 7 inside. The mounting ring 7 is welded with a dust filter 8 through a bracket 9. A vibration motor 10 is installed on the top of the bracket 9. The top of the tower body 1 is connected with a duct 12 through the air outlet pipe 11. The air outlet pipe 11 is connected to the tower body 1 through a reinforcement component 14. The inside of the air inlet pipe 2 and the inside of the air outlet pipe 11 are respectively provided with The supply fan 4 and the exhaust fan 20 can supply air and exhaust air through the bottom and the top of the tower body 1 respectively, and the air flow can rise vertically through the inside of the tower body 1, and can carry heat and be discharged through the air outlet pipe 11 at the top of the tower body 1, which can prevent the top of the tower body 1 from accumulating heat. The inside of the duct 12 is provided with a baffle 15, and the top of the baffle 15 is connected to a worm gear 17 through a rotating shaft 16, and the worm gear 17 is driven by a driving assembly 19, and the air outlet end of the duct 12 is connected to a waterproof elbow 2 13;

[0026] In this embodiment, preferably, the reinforcement assembly 14 includes a reinforcing rod 1401, a mounting plate 1402 and a cushion block 1404. One end of the reinforcing rod 1401 is welded to the waterproof elbow 13, and the other end of the reinforcing rod 1401 is welded with the mounting plate 1402. One side of the mounting plate 1402 is fixedly connected with the cushion block 1404 by screws 1403. One side of the cushion block 1404 is welded to the top of the tower body 1. The mounting plate 1402 can be fixed to the cushion block 1404 by screws 1403. The reinforcing rod 1401 can reinforce the waterproof elbow 13 and the top of the tower body 1. When the wind force is strong at high altitude, the anti-shake ability and stability of the waterproof elbow 13 are improved;

[0027] In this embodiment, preferably, the bottom of the supply fan 4 and the bottom of the exhaust fan 20 are respectively fixed with a support 1 5 and a support 2 21, and the support 1 5 and the support 2 21 are respectively fixedly connected to the inside of the air inlet pipe 2 and the inside of the air outlet pipe 11, and the supply fan 4 and the exhaust fan 20 can be supported by the support 1 5 and the support 2 21 respectively;

[0028] In this embodiment, preferably, the input end of the air inlet pipe 2 is fixedly connected to the output end of the waterproof elbow 1 3 through the flange 22, and the input end and the output end of the conduit 12 are respectively fixedly connected to the output end of the air outlet pipe 11 and the input end of the waterproof elbow 2 13 through the flange 22. The waterproof elbow 1 3 and the waterproof elbow 2 13 can be installed and removed through the flange 22, and are firmly and reliably fixed by the flange 22;

[0029] In this embodiment, preferably, ventilation holes are provided at the bottom and the top of the tower body 1, and the output end of the air inlet pipe 2 and the input end of the air outlet pipe 11 are welded to the tower body 1 through the ventilation holes, so that the air circulation between the tower body 1 and the air inlet pipe 2 and the air outlet pipe 11 can be maintained through the ventilation holes;

[0030] In this embodiment, preferably, the driving assembly 19 includes a support plate 1901 and a motor 1902, the top of the support plate 1901 is respectively fixed with a motor 1902 and a channel steel 1904, the channel steel 1904 is rotatably connected with a worm 1903, the output shaft of the motor 1902 is connected to one end of the worm 1903, the worm 1903 is meshedly connected with a worm wheel 17, the worm 1903 is driven by the motor 1902, and the worm 1903 can drive the rotating shaft 16 to rotate through the worm wheel 17, the baffle 15 can be opened and closed, and the ventilation volume can be adjusted at the same time, after stopping heat dissipation, the baffle 15 can be closed to block the conduit 12, and flying creatures can be prevented from entering the tower body 1 through the conduit 12;

[0031] In this embodiment, preferably, a chassis 18 is fixedly provided on the top of the conduit 12, a support plate 1901 is fixedly connected to the inner wall of the chassis 18, a rotating shaft 16 is rotatably connected to the support plate 1901 through a bearing, a motor 1902, a worm 1903 and a worm wheel 17 are all located inside the chassis 18, the chassis 18 can provide protection for the motor 1902, the worm 1903 and the worm wheel 17, and the support plate 1901 can provide support for the motor 1902 and the rotating shaft 16;

[0032] In this embodiment, preferably, a positioning ring 6 is welded inside the waterproof elbow 3, and the top end of the mounting ring 7 is fixedly connected to the bottom end of the positioning ring 6 by bolts. The mounting ring 7 can be positioned by the positioning ring 6 and the bolts, which facilitates the installation and removal of the mounting ring 7.

[0033] When in use, after the temperature inside the tower body 1 rises, the staff supplies air and exhausts air through the bottom and top of the tower body 1 respectively through the supply fan 4 and the exhaust fan 20. The airflow can rise vertically through the inside of the tower body 1, and can carry heat and be discharged through the air outlet pipe 11 at the top of the tower body 1, which can prevent heat accumulation at the top of the tower body 1. During the heat dissipation process, the mounting ring 7 and the bracket 9 can support the dust filter 8. When the external air enters the tower body 1, the dust in the airflow can be filtered, ensuring the cleanliness of the airflow and preventing dust from entering the tower body 1.

[0034] During the heat dissipation process, the airflow can prevent flying creatures from entering the duct 12. The waterproof elbow 1 3 and the waterproof elbow 2 13 can play a waterproof role during the air inlet and outlet process, and can prevent rainwater from flowing into the tower body 1 through the waterproof elbow 1 3 and the waterproof elbow 2 13. When the wind is strong at high altitude, the reinforcement component 14 supports the waterproof elbow 2 13 through the reinforcing rod 1401, which can improve its anti-shake ability and stability. The staff regularly vibrates the bracket 9 through the vibration motor 10, which can transmit the excitation to the dust filter 8, and can shake off the dust attached to its surface. The dust filter 8 is not easy to be blocked, and the ventilation capacity can be guaranteed.

[0035] When the ventilation volume needs to be adjusted, the staff drives the worm 1903 through the motor 1902 of the driving component 19, and the worm 1903 drives the rotating shaft 16 to rotate through the worm gear 17, so that the ventilation volume can be adjusted by the opening and closing degree of the baffle 15. After stopping the heat dissipation, the staff closes the baffle 15 through the driving component 19, which can block the duct 12 and prevent flying creatures from entering the tower body 1 through the duct 12.

[0036] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind power tower heat dissipation device, comprising a tower body (1), an air inlet pipe (2) and an air outlet pipe (11), characterized in that: The bottom of the tower body (1) is connected to a waterproof elbow (3) via an air inlet pipe (2); a mounting ring (7) is provided inside the waterproof elbow (3); a dust filter (8) is welded to the mounting ring (7) via a bracket (9); a vibration motor (10) is installed at the top of the bracket (9); the top of the tower body (1) is connected to a duct (12) via an air outlet pipe (11); the air outlet pipe (11) is connected to the tower body (1) via a reinforcement component (14); a supply fan (4) and an exhaust fan (20) are respectively provided inside the air inlet pipe (2) and inside the air outlet pipe (11); a baffle (15) is provided inside the duct (12); a worm gear (17) is connected to the top of the baffle (15) via a rotating shaft (16); and the worm gear (17) is driven by a driving component (19); and the air outlet end of the duct (12) is connected to a waterproof elbow (13).

2. The wind power tower heat dissipation device according to claim 1, characterized in that: The reinforcement assembly (14) comprises a reinforcing rod (1401), a mounting plate (1402) and a cushion block (1404); one end of the reinforcing rod (1401) is welded to the second waterproof elbow (13); the other end of the reinforcing rod (1401) is welded to the mounting plate (1402); one side of the mounting plate (1402) is fixedly connected to the cushion block (1404) by means of screws (1403); and one side of the cushion block (1404) is welded to the top of the tower body (1).

3. The wind power tower heat dissipation device according to claim 1, characterized in that: A support 1 (5) and a support 2 (21) are fixedly provided at the bottom of the supply fan (4) and the bottom of the exhaust fan (20), respectively. The support 1 (5) and the support 2 (21) are fixedly connected to the inside of the air inlet pipe (2) and the inside of the air outlet pipe (11), respectively.

4. The wind power tower heat dissipation device according to claim 1, characterized in that: The input end of the air inlet pipe (2) is fixedly connected to the output end of the waterproof elbow (3) through a flange (22), and the input end and output end of the conduit (12) are fixedly connected to the output end of the air outlet pipe (11) and the input end of the waterproof elbow (13) through the flange (22).

5. The wind power tower heat dissipation device according to claim 1, characterized in that: The bottom and the top of the tower body (1) are both provided with ventilation openings, and the output end of the air inlet pipe (2) and the input end of the air outlet pipe (11) are both welded to the tower body (1) through the ventilation openings.

6. The wind power tower heat dissipation device according to claim 1, characterized in that: The driving assembly (19) comprises a support plate (1901) and a motor (1902); the motor (1902) and a channel steel (1904) are fixedly mounted on the top of the support plate (1901); the channel steel (1904) is rotatably connected to a worm (1903); an output shaft of the motor (1902) is connected to one end of the worm (1903); and the worm (1903) is meshingly connected to a worm wheel (17).

7. The wind power tower heat dissipation device according to claim 6, characterized in that: A chassis (18) is fixedly provided on the top of the conduit (12); the support plate (1901) is fixedly connected to the inner wall of the chassis (18); the rotating shaft (16) is rotatably connected to the support plate (1901) via a bearing; and the motor (1902), the worm (1903) and the worm wheel (17) are all located inside the chassis (18).

8. The wind power tower heat dissipation device according to claim 1, characterized in that: A positioning ring (6) is welded inside the waterproof elbow (3), and the top end of the mounting ring (7) is fixedly connected to the bottom end of the positioning ring (6) by bolts.

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