Heat dissipation device for wind power tower drum

Abstract

The utility model relates to the technical field of heat dissipation of wind power towers, in particular to a heat dissipation device of a wind power tower, a plurality of platforms are arranged inside the wind power tower, a plurality of groups of ventilation units and circulation units are arranged at intervals, each circulation unit comprises a ventilation net and a jet fan, and a heat dissipation unit is arranged below the jet fan. Each ventilation unit comprises an installation part, a protection assembly, a shutter and a ventilation assembly, the protection assembly is installed on the upper portion of the installation part, the shutter and the ventilation assembly are arranged on the two sides of the installation part respectively, the ventilation assembly is arranged close to the interior of the wind power tower barrel, and the protection assembly comprises a movable plate and a baffle which are connected in a telescopic and sliding mode. One side of the movable plate is rotationally connected with a baffle, and the baffle is located on the outer side of the shutter and can be driven to turn over through gear meshing; a plurality of ventilation holes are formed in the ventilation net, and the longitudinal section of each ventilation hole is of a structure similar to a Venturi tube; highly flowing airflow is formed in the wind power tower drum, the heat dissipation effect is good, the louver can be shielded, and the damp-proof effect is achieved.

Description

Technical Field

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

[0002] The wind turbine tower is an important component of the entire wind turbine unit. It can help the impeller reach the corresponding height and obtain the best wind resources. It mainly plays a supporting role and absorbs the vibration of the unit. The wind turbine tower is often loaded with wind power generation related equipment. The operation of the equipment will generate a lot of heat energy. Therefore, the wind turbine tower needs to be cooled.

[0003] In the prior art, the chimney effect is generally used to dissipate heat from a wind turbine tower. At least one platform is provided inside the wind turbine tower for placing equipment or for personnel to rest when climbing up. A ventilation net is installed on the platform to form a smooth circulation space so that air can pass through the platform. Ventilation holes are provided at the lower part of the wind turbine tower to let air into the wind turbine tower, and an air outlet is provided at the upper part of the wind turbine tower. Heat generated by the operation of the electromechanical equipment rises with the air flow, and the air flow carrying a large amount of heat energy is discharged from the air outlet, thereby achieving the purpose of cooling the inside of the wind turbine tower. However, the area of ​​the ventilation net on the platform is limited, and the circulation space is small. The platform will block the flow of air, which is not convenient for heat dissipation inside the wind turbine tower. In addition, the ventilation holes at the lower part of the wind turbine tower are generally exposed, and since the wind turbine tower is roughly conical, the diameter of the lower part of the wind turbine tower is larger than the upper diameter, rainwater can easily enter the wind turbine tower from the ventilation holes, and due to the arrangement of the platform structure, when the internal airflow is restricted, it is not easy to discharge moisture. Utility Model Content

[0004] The main purpose of the utility model is to provide a wind power tower heat dissipation device, which can effectively solve the above-mentioned problems.

[0005] The utility model provides the following technical solutions:

[0006] A wind turbine tower heat dissipation device is installed on the wind turbine tower. The wind turbine tower includes multiple platforms inside, including multiple groups of ventilation units and multiple groups of circulation units arranged at intervals. The circulation unit includes a ventilation net arranged on the platform and a jet fan arranged below the platform. The heat dissipation unit is arranged below the jet fan. The ventilation unit and the circulation unit are both arranged on the side wall of the wind turbine tower. Each group of ventilation units includes a mounting piece, a protective component, a shutter and a ventilation component. The protective component is installed on the upper part of the mounting piece, and the shutters and ventilation components are respectively arranged on both sides of the mounting piece. The ventilation component is arranged close to the inside of the wind turbine tower. The protective component includes a moving piece, a moving plate and a baffle. The moving piece and the moving plate are telescopically and slidably connected. One side of the moving plate is rotatably connected to the baffle. The baffle is located on the outside of the shutter and can be driven to flip through gear meshing. A plurality of ventilation holes are opened on the ventilation net, and the longitudinal section of the ventilation hole presents a venturi tube-like structure.

[0007] Preferably, a fixing plate is arranged on the upper inner part of the mounting member, and a mounting cavity is formed between the upper surface of the fixing plate and the upper side wall of the mounting member; a mounting plate and a connecting plate are arranged at intervals below the fixing plate, and a flow groove is opened on the lower side wall of the mounting member, the flow groove includes a water storage section and a flow section, the water storage section is located between the mounting plate and the connecting plate, the flow section is located below the mounting plate, and the flow section is connected with the outer side of the mounting member.

[0008] Preferably, the protection component also includes a screw, the moving part is fixedly arranged in the installation cavity of the installation part, a moving cavity is arranged on one side of the moving part, and a moving plate is slidably arranged in the moving cavity, the screw is passed through the moving cavity of the moving part, one end of the screw extends into the moving plate and is connected to the moving plate by a thread, and the other end of the screw passes through the side wall of the moving part and is rotatably connected to the moving part.

[0009] Preferably, the protection component also includes two pairs of meshing gears and sector gears; fixed parts are respectively fixed at both ends of the lower surface of the movable plate away from the movable part, and gears and sector gears are rotatably arranged on the inner side of the fixed part from top to bottom. A through groove is opened under the fixed part, and a through hole 1 is penetrated through the through groove. The sector gear is rotatably connected to the two sides of the through groove through a connecting shaft, and the connecting shaft passes through the through hole 1. A fixed block is fixedly arranged in the middle of the connecting shaft, and the fixed block is arranged in the through groove.

[0010] Preferably, the protective assembly also includes a fixed rod and a telescopic cylinder, the fixed rod is arranged at one end of the fixed part close to the moving part, the upper end of the fixed rod is fixedly connected to the lower surface of the moving plate, the lower end of the fixed rod is fixedly connected to the fixed end of the telescopic cylinder, a connecting ear is fixedly arranged on the upper surface of the fixed block, the telescopic end of the telescopic cylinder extends into the through groove of the fixed part and is rotatably connected to the connecting ear.

[0011] Preferably, a second through hole is formed through the upper portion of the fixing member; the upper portion of the baffle is located outside the mounting plate, through shafts are provided on both sides of the baffle, the through shafts on both sides of the baffle respectively pass through the second through hole on the fixing member, and the through shafts are rotatably connected to the fixing member.

[0012] Preferably, the ventilation assembly includes a ventilation plate and an axial flow fan; the ventilation plate is fixedly connected to the connecting plate, a plurality of fan-shaped ventilation slots are provided on the ventilation plate, and an axial flow fan is rotatably arranged in the middle of a side of the ventilation plate away from the shutter.

[0013] Preferably, the shutter comprises a window frame and shutter blades, the window frame is fixedly connected to the mounting plate, a plurality of shutter blades are arranged in the window frame for rotation at intervals, and the plurality of shutter blades can rotate synchronously.

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

[0015] The utility model provides a heat dissipation device for a wind turbine tower, wherein a rotatable and adjustable baffle is arranged on the mounting part, which blocks the vent in rainy and snowy weather to prevent water vapor from entering the wind turbine tower, thereby producing a good moisture-proof effect. The baffle is rotatably arranged on a retractable movable plate, so that the baffle can adjust the extension length of the movable plate according to the mounting position on the wind turbine tower to achieve a better protection effect; a flow groove is arranged in the mounting part, and the flow groove includes a water storage section and a flow section, which can timely discharge rain and snow water that drifts into the mounting part to avoid flowing into the wind turbine tower after gathering and affecting the operation of the power equipment inside the wind turbine tower; a ventilation hole with a venturi tube-like structure in longitudinal section is arranged on the platform, a jet fan is arranged under the platform, and a ventilation unit is arranged below the jet fan, which can form a fast-flowing airflow in the wind turbine tower through the Venturi principle, draw cold air into the wind turbine tower, and discharge heat, thereby effectively improving the heat dissipation efficiency and realizing heat dissipation and cooling inside the wind turbine tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the connection structure between a wind turbine tower heat dissipation device and a wind turbine tower according to the utility model;

[0018] Figure 2 This is a schematic diagram of a cross-sectional structure of a wind turbine tower heat dissipation device connected to a wind turbine tower according to the utility model;

[0019] Figure 3 This is a schematic diagram of the exploded structure of the ventilation unit connection of the utility model;

[0020] Figure 4 This is a schematic diagram of the exploded structure of the protective assembly connection of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the mounting piece of the utility model;

[0022] Figure 6 This is a cross-sectional view of the connection between the mounting piece of the utility model and the shutter and ventilation assembly;

[0023] Figure 7 for Figure 4 A magnified image of area A;

[0024] Figure 8 It is a schematic diagram of the cross-sectional structure of the ventilation net of the utility model.

[0025] Reference numerals:

[0026] 1. Wind power tower; 11. Platform; 12. Ventilation net; 13. Jet fan; 2. Mounting parts; 21. Fixing plate; 22. Mounting plate; 221. Mounting hole; 23. Connecting plate; 231. Connecting hole; 24. Flow slot; 3. Protective assembly; 31. Moving part; 311. Slide slot; 32. Moving plate; 321. Fixing part; 322. Slide bar; 33. Moving motor; 34. Baffle; 35. Screw; 36. Gear; 37. Fan gear; 371. Connecting shaft; 372. Fixing block; 373. Connecting ear; 38. Fixing rod; 39. Telescopic cylinder; 4. Shutter; 41. Window frame; 411. Bolt hole; 42. Shutter blade; 5. Ventilation assembly; 51. Ventilation plate; 511. Connecting sleeve; 512. Perforation; 52. Axial fan; 53. Adjusting motor. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Specific implementation examples Figure 1-8 As shown: a wind power tower heat dissipation device is installed on a wind power tower 1. The wind power tower 1 includes multiple platforms 11 inside, including multiple groups of ventilation units and multiple groups of circulation units arranged at intervals. The circulation unit includes a ventilation net 12 arranged on the platform 11 and a jet fan 13 arranged below the platform 11. The heat dissipation unit is arranged below the jet fan 13. The ventilation unit and the jet fan 13 are both arranged on the side wall of the wind power tower 1. Each group of ventilation units includes a mounting member 2, a protective component 3, a shutter 4 and a ventilation component 5. The protective component 3 is installed on the upper part of the mounting member 2, and the shutters 4 and the ventilation component 5 are respectively arranged on both sides of the mounting member 2. The ventilation component 5 is arranged close to the inside of the wind power tower 1. The protective component 3 includes a movable plate 32 and a baffle 34. The movable member 31 and the movable plate 32 are telescopically and slidably connected. One side of the movable plate 32 is rotatably connected to the baffle 34. The baffle 34 is located on the outside of the shutter 4. The baffle 34 can be driven to flip through gear meshing to adjust the degree of shielding of the shutter 4.

[0029] The ventilation net 12 is fixedly connected to the platform 11, and a plurality of ventilation holes are provided on the ventilation net 12. The longitudinal section of the ventilation holes is a venturi tube-like structure. When the flowing gas passes through the ventilation holes from bottom to top, a low pressure can be formed near the platform 11, producing an adsorption effect, thereby increasing the gas flow rate; a ventilation opening is arranged below the platform 11, and a ventilation unit is installed on the ventilation opening to introduce a low-temperature airflow from the outside into the wind turbine tower 1; the high-temperature air inside the wind turbine tower 1 flows rapidly upward through the ventilation net under the action of the jet fan 13, and the external low-temperature air is sucked into the wind turbine tower 1 through the ventilation component 5, thereby realizing heat dissipation and cooling inside the wind turbine tower 1.

[0030] The mounting member 2 adopts a square box with two sides penetrated, a fixing plate 21 is arranged on the upper part of the mounting member 2, the fixing plate 21 is rectangular, the two ends of the fixing plate 21 are respectively fixedly connected to the inner wall of the mounting member 2, and a mounting cavity is formed between the upper surface of the fixing plate 21 and the upper side wall of the mounting member 2, and the mounting cavity is used to install the protective component 3; mounting plates 22 and connecting plates 23 are respectively arranged on both sides of the mounting member 2, and the mounting plates 22 and the connecting plates 23 adopt a square frame structure, and the four corners of the mounting plate 22 are penetrated with mounting holes 221, and the mounting holes 221 are used to connect the blinds 4, and the connecting The four corners of the plate 23 are penetrated by connection holes 231, and the connection holes 231 are used to connect the ventilation assembly 5; the lower side wall of the mounting member 2 is provided with a flow groove 24, and the flow groove 24 includes a water storage section and a flow section. The water storage section is located between the mounting plate 22 and the connecting plate 23, and the water storage section can hold rainwater to prevent the rainwater from gathering inside the mounting member 2 and then flowing into the wind turbine tower 1, thereby affecting the operation of the electrical equipment inside the wind turbine tower 1; the flow section is located below the mounting plate 22, and the flow section is connected to the outside of the mounting member 2, so as to discharge the rainwater remaining in the water storage section.

[0031] The protection component 3 also includes a moving motor 33 and a screw 35; the moving member 31 is fixedly arranged in the installation cavity of the mounting member 2, a moving cavity is arranged on one side of the moving member 31, a moving plate 32 is slidably arranged in the moving cavity, and a slide groove 311 is respectively provided on the upper and lower sides of the moving cavity, and a slide bar 322 is respectively provided on the upper and lower sides of the moving member 31, and the slide bar 322 is plugged into and slidably connected with the slide groove 311, and the extension length of the moving plate 32 can be adjusted according to the moisture-proof requirement of the wind power tower 1; the moving motor 33 is fixedly arranged in the middle of one side of the moving member 31 away from the moving cavity, and the screw 35 is penetrated in the moving cavity of the moving member 31, one end of the screw 35 extends into the middle of the moving plate 32 and is threadedly connected with the moving plate 32, and the other end of the screw 35 passes through the moving member 3 1 is fixedly connected to the output shaft of the mobile motor 33, and the screw 35 is rotatably connected to the mobile member 31; a fixing member 321 is fixedly arranged on the side of the lower surface of the mobile plate 32 away from the mobile member 31, and two fixing members 321 are arranged, and the two fixing members 321 are respectively located at both ends of the mobile plate 32, and a through groove is arranged below the fixing member 321, and a through hole 1 is penetrated on the through groove, and a through hole 2 is penetrated on the upper part of the fixing member 321; the upper part of the baffle plate 34 is located in the upper empty groove of the mounting member 2, and through shafts are arranged on both sides of the baffle plate 34, and the through shafts on both sides of the baffle plate 34 respectively pass through the through hole 1 on the fixing member 321, and the through shafts are rotatably connected to the fixing member 321, and the rotating baffle plate 34 can adjust the shielding degree of the shutter 4 to prevent water vapor from entering the interior of the wind power tower 1 in rainy and snowy weather.

[0032] The protection assembly 3 also includes a gear 36, a sector gear 37, a fixing rod 38 and a telescopic cylinder 39; the gear 36 and sector gear 37 are arranged in two pairs, and the two pairs of gears 36 and sector gear 37 correspond to two fixing members 321 respectively. The inner side of the fixing member 321 is provided with a gear 36 and a sector gear 37 for rotation from top to bottom, and the gear 36 is fixedly sleeved on the through shaft of the baffle 34, and the matching hole of the sector gear 37 is arranged concentrically with the through hole on the fixing member 321. The gear 36 and the sector gear 37 are meshed and connected. A connecting shaft 371 is fixedly arranged on one side of the sector gear 37 close to the through slot, and the connecting shaft 371 passes through a through hole 1 on the through slot of the fixing member 321, and the connecting shaft 371 is rotatably connected with both sides of the through slot. A fixed block 372 is fixedly arranged in the middle of the connecting shaft 371, and the fixed block 372 is arranged in the through groove. A connecting ear 373 is fixedly arranged on the upper surface of the fixed block 372; the fixed rod 38 is fixedly arranged at one end of the fixing member 321 close to the moving member 31, the upper end of the fixed rod 38 is fixedly connected to the lower surface of the moving plate 32, and a fixing ring is arranged at the lower end of the fixed rod 38, and the fixing ring is fixedly connected to the fixed end of the telescopic cylinder 39, and the telescopic end of the telescopic cylinder 39 extends into the through groove of the fixing member 321 and is rotatably connected to the connecting ear 373; when the telescopic cylinder 39 is actuated, the telescopic end of the telescopic cylinder 39 is extended or shortened, driving the fixed block 372 and the connecting shaft 371 to rotate, so that the fan gear 37 rotates, and the baffle 34 can rotate around the axis of the gear 36.

[0033] The shutter 4 includes a window frame 41 and shutter blades 42. The window frame 41 adopts a square frame structure. Bolt holes 411 are respectively set at the four corners of the window frame 41. The bolt holes 411 on the window frame 41 correspond to the mounting holes 221 on the mounting plate 22 and are fixedly connected by bolts. A plurality of shutter blades 42 are arranged at intervals in the window frame 41. The plurality of shutter blades 42 can rotate synchronously. The rotation and flipping of the shutter blades 42 can change the shielding degree of the ventilation assembly 5. The flipping of the plurality of shutter blades 42 to a closed state can reduce the rain and snow from entering the interior of the wind turbine tower 1.

[0034] The ventilation assembly 5 includes a ventilation plate 51, an axial flow fan 52 and an adjusting motor 53; the ventilation plate 51 is provided with perforations 512 at four corners, the perforations 512 on the ventilation plate 51 can correspond to the connecting holes 231 on the connecting plate 23 and be fixedly connected by bolts, a plurality of fan-shaped ventilation slots are provided on the ventilation plate 51 to form a gas flow channel inside and outside the wind turbine tower 1, a connecting sleeve 511 is provided in the middle of a side of the ventilation plate 51 away from the shutter 4, the ventilation plate 51 is rotatably connected to the axial flow fan 52 through the connecting sleeve 511, an adjusting motor 53 is fixedly provided in the middle of a side of the ventilation plate 51 away from the connecting sleeve 511, and the output shaft of the adjusting motor 53 is fixedly connected to the axial flow fan 52 after passing through the ventilation plate 51; the rotation of the axial flow fan 52 can discharge the low temperature airflow from the outside into the interior of the wind turbine tower 1.

[0035] The use process and working principle of this device:

[0036] The jet fan 13 is started, and the heat generated by the operation of the electrical equipment inside the wind turbine tower 1 passes through the ventilation holes on the ventilation network 12 along with the gas. After the hot air flow passes through the ventilation holes on the platform 11, a Venturi effect is generated, which increases the flow rate of the hot air. At the same time, the adjustment motor 53 is started to drive the axial flow fan 52 to rotate, and the external low-temperature air is sucked into the wind turbine tower 1, so that the hot gas inside the wind turbine tower 1 moves upward and is discharged quickly; if it is rainy or snowy weather, the telescopic cylinder 39 is actuated, and the telescopic end of the telescopic cylinder 39 is extended or shortened, driving the fixed block 372 and the connecting shaft 371 to rotate, so that the fan gear 37 rotates, and drives the baffle 34 to rotate around the axis of the gear 36, so that the baffle 34 blocks the shutter 4.

[0037] The utility model provides a heat dissipation device for a wind turbine tower, wherein a rotatable and adjustable baffle is arranged on the mounting part, which blocks the vent in rainy and snowy weather to prevent water vapor from entering the wind turbine tower, thereby producing a good moisture-proof effect. The baffle is rotatably arranged on a retractable movable plate, so that the baffle can adjust the extension length of the movable plate according to the mounting position on the wind turbine tower to achieve a better protection effect; a flow groove is arranged in the mounting part, and the flow groove includes a water storage section and a flow section, which can timely discharge rain and snow water that drifts into the mounting part to avoid flowing into the wind turbine tower after gathering and affecting the operation of the power equipment inside the wind turbine tower; a ventilation hole with a venturi tube-like structure in longitudinal section is arranged on the platform, a jet fan is arranged under the platform, and a ventilation unit is arranged below the jet fan, which can form a fast-flowing airflow in the wind turbine tower through the Venturi principle, draw cold air into the wind turbine tower, and discharge heat, thereby effectively improving the heat dissipation efficiency and realizing heat dissipation and cooling inside the wind turbine tower.

Claims

1. A wind turbine tower heat dissipation device, installed on a wind turbine tower (1), wherein the wind turbine tower (1) includes a plurality of platforms (11), characterized in that: The invention comprises a plurality of groups of ventilation units arranged at intervals and a plurality of groups of circulation units arranged at intervals, wherein the circulation units comprise a ventilation net (12) arranged on a platform (11) and a jet fan (13) arranged below the platform (11), and a heat dissipation unit is arranged below the jet fan (13). The ventilation units and the circulation units are both arranged on the side wall of a wind power tower (1), and each group of ventilation units comprises a mounting member (2), a protective assembly (3), a shutter (4) and a ventilation assembly (5). The protective assembly (3) is installed on the upper part of the mounting member (2), and the mounting member (2) is provided with a plurality of shutters (4) and a ventilation assembly (5). A shutter (4) and a ventilation assembly (5) are separately provided. The ventilation assembly (5) is arranged close to the interior of the wind power tower (1). The protection assembly (3) comprises a moving part (31), a moving plate (32) and a baffle (34). The moving part (31) and the moving plate (32) are telescopically and slidably connected. One side of the moving plate (32) is rotatably connected to the baffle (34). The baffle (34) is located outside the shutter (4). The baffle (34) can be driven to flip through gear meshing. A plurality of ventilation holes are provided on the ventilation net (12). The longitudinal section of the ventilation holes presents a venturi-like structure.

2. A wind power tower heat dissipation device according to claim 1, characterized in that: A fixing plate (21) is arranged at the upper inner part of the mounting member (2), and a mounting cavity is formed between the upper surface of the fixing plate (21) and the upper side wall of the mounting member (2); a mounting plate (22) and a connecting plate (23) are arranged at intervals below the fixing plate (21); a circulation groove (24) is provided on the lower side wall of the mounting member (2); the circulation groove (24) comprises a water storage section and a circulation section; the water storage section is located between the mounting plate (22) and the connecting plate (23); the circulation section is located below the mounting plate (22), and the circulation section is communicated with the outer side of the mounting member (2).

3. A wind power tower heat dissipation device according to claim 2, characterized in that: The protection component (3) further comprises a screw (35), the moving member (31) is fixedly arranged in the installation cavity of the installation member (2), a moving cavity is arranged on one side of the moving member (31), a moving plate (32) is slidably arranged in the moving cavity, the screw (35) is inserted into the moving cavity of the moving member (31), one end of the screw (35) extends into the moving plate (32) and is connected to the moving plate (32) by a thread, and the other end of the screw (35) passes through the side wall of the moving member (31) and is rotatably connected to the moving member (31).

4. A wind power tower heat dissipation device according to claim 3, characterized in that: The protection component (3) further comprises two pairs of meshingly connected gears (36) and sector gears (37); a fixing member (321) is fixedly arranged at both ends of a side of the lower surface of the movable plate (32) away from the movable member (31); a gear (36) and a sector gear (37) are rotatably arranged inside the fixing member (321) from top to bottom; a through slot is provided below the fixing member (321); a through hole (1) is penetrated through the through slot; the sector gear (37) is rotatably connected to both sides of the through slot via a connecting shaft (371); the connecting shaft (371) passes through the through hole (1); a fixing block (372) is fixedly arranged in the middle of the connecting shaft (371); the fixing block (372) is arranged in the through slot.

5. A wind power tower heat dissipation device according to claim 4, characterized in that: The protection assembly (3) further comprises a fixed rod (38) and a telescopic cylinder (39), wherein the fixed rod (38) is arranged at one end of the fixed member (321) close to the movable member (31), the upper end of the fixed rod (38) is fixedly connected to the lower surface of the movable plate (32), the lower end of the fixed rod (38) is fixedly connected to the fixed end of the telescopic cylinder (39), a connecting ear (373) is fixedly arranged on the upper surface of the fixed block (372), and the telescopic end of the telescopic cylinder (39) extends into the through groove of the fixed member (321) and is rotatably connected to the connecting ear (373).

6. A wind power tower heat dissipation device according to claim 5, characterized in that: The upper portion of the fixing member (321) is provided with a second through hole; the upper portion of the baffle (34) is located outside the mounting plate (22); through shafts are provided on both sides of the baffle (34); the through shafts on both sides of the baffle (34) respectively pass through the second through hole on the fixing member (321), and the through shafts are rotatably connected to the fixing member (321).

7. A wind power tower heat dissipation device according to claim 2, characterized in that: The ventilation assembly (5) comprises a ventilation plate (51) and an axial flow fan (52); the ventilation plate (51) is fixedly connected to the connecting plate (23); a plurality of fan-shaped ventilation slots are provided on the ventilation plate (51); and an axial flow fan (52) is rotatably arranged in the middle of a side of the ventilation plate (51) away from the shutter (4).

8. A wind power tower heat dissipation device according to claim 2, characterized in that: The shutter (4) comprises a window frame (41) and shutter blades (42); the window frame (41) is fixedly connected to the mounting plate (22); a plurality of shutter blades (42) are arranged in the window frame (41) to rotate at intervals; and the plurality of shutter blades (42) can rotate synchronously.

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