A cooling device for a cabin of a wind turbine generator set

Abstract

The present invention discloses a cooling device for a cabin of a wind turbine generator set, comprising a cabin body, a water collecting bin is fixedly installed on the top of the cabin body by welding, a sealing plate is movably installed on one end of the top of the water collecting bin via a rotating shaft, a filter is fixedly installed on the other end of the top of the water collecting bin, and a sealing plate slide groove is provided on the top of one end of the sealing plate. The cooling device for the cabin of a wind turbine generator set can improve the heat dissipation efficiency of the cabin body by cooling the interior of the cabin body through cooled rainwater, etc., and can collect rainwater by adjusting the sealing plate to reduce the evaporation efficiency of rainwater, and can seal the cabin body by adjusting the upper cooling fan and the lower cooling fan to prevent rainwater from entering the interior of the cabin body.

Description

Technical Field

[0001] The invention relates to the technical field of cooling the cabin of a wind turbine generator, and in particular to a cooling device for a cabin of a wind turbine generator set. Background Art

[0002] As a representative technology in the field of renewable energy power generation, wind turbines have a certain number of years of operation. The efficiency of the main equipment in the cabin decreases, the heat generation increases, and the air in the cabin cannot circulate effectively, resulting in a high cabin temperature. If the heat accumulates in the cabin, it will cause malfunctions of various electrical equipment in the fan. It may also cause various power-limiting shutdown phenomena caused by the high cabin temperature, which seriously affects the power generation of the fan. A heat dissipation device is installed at one end of the existing wind turbine cabin. In some hot areas of my country (such as Xinjiang), it cannot effectively cool down the interior of the cabin, which can easily cause malfunctions of the equipment inside the cabin. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a cooling device for a wind turbine nacelle, which can seal the nacelle body to prevent rainwater from entering the interior of the nacelle body and use rainwater to cool and dissipate heat inside the nacelle.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A cooling device for a cabin of a wind turbine generator comprises a cabin body, a water collecting bin is installed on the top of the cabin body, a sealing plate is movably installed on one end of the top of the water collecting bin via a rotating shaft, a filter is fixedly installed on the other end of the top of the water collecting bin, a water pump is fixedly installed on one side of the water collecting bin, and a water suction port of the water pump is arranged inside the water collecting bin; a radiator is fixedly installed inside the cabin body, a water inlet and a drain are respectively provided at both ends of the top of the radiator, a drain port 9 is arranged inside the water collecting bin 2, and the water inlet 8 is fixedly connected to the water outlet of the water pump 5.

[0006] Preferably, an upper screw is rotatably installed on one side of the top of the cabin body, a lifting rod is movably installed on the upper screw through a screw hole, the top of the lifting rod is movably connected to the lower slider of the sealing plate through a rotating shaft, the upper screw extends into the cabin body and is connected to a lower screw, a movable plate is symmetrically and movably installed on the lower screw through the screw hole, and an upper cooling fan and a lower cooling fan are respectively fixedly installed on one end of the movable plate.

[0007] Furthermore, a dustproof net is fixedly installed on one side of the cabin body, and a card plate is symmetrically and slidably installed on the inner side of the dustproof net through a card plate spring, a steel wire rope is fixedly installed on one end of the card plate, and the other end of the steel wire rope is fixedly connected to one end of the upper cooling fan and the lower cooling fan, and fixed pulleys are fixedly installed on the top and bottom of the card plate, and the steel wire rope is wound around the fixed pulleys.

[0008] Furthermore, a card plate is arranged on the outer sides of the upper cooling fan and the lower cooling fan, and the shape of the card plate is "L"-shaped.

[0009] Furthermore, a servo motor is fixedly installed on one side of the water collection bin, a transverse bevel gear is fixedly installed on the output shaft of the servo motor, a vertical bevel gear is fixedly installed on the bottom of the upper screw, the transverse bevel gear and the vertical bevel gear are meshed with each other, and the number of the transverse bevel gear and the vertical bevel gear are both 1.

[0010] Furthermore, the lifting rod is in a "T" shape, and one end of the lifting rod is slidably mounted on the outer wall of the water collecting bin in a limited position.

[0011] Furthermore, the lower screw rod is a bidirectional screw rod, a fixed rod is fixedly installed on one side of the bottom of the water collecting bin, and the movable plate is slidably installed on the fixed rod.

[0012] Preferably, a sealing plate slide groove is provided on the top of one end of the sealing plate, a sealing plate slider is slidably installed inside the sealing plate slide groove, the sealing plate slider is movably connected to one end of the filter screen through a rotating shaft, and a sealing plate lower slide groove is provided on the bottom of one end of the sealing plate, and a sealing plate lower slide groove is slidably installed inside the sealing plate lower slide groove.

[0013] Preferably, the filter screen is in a "V" shape, and a raised portion of the filter screen is disposed at the top.

[0014] Preferably, a limit block is provided on one side of the interior of the water collecting bin, and the limit block is arranged on the top of the other end of the sealing plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention is provided with a water collecting bin, and a sealing plate is installed on the top of the water collecting bin to facilitate the collection of rainwater. A filter is installed on the top of the sealing plate to filter the rainwater and seal the water collecting bin at the same time, thereby reducing the speed of evaporation and loss of rainwater. The water inside the water collecting bin enters the interior of the radiator through a water pump to dissipate heat inside the cabin body.

[0017] Furthermore, the movable rod is driven by the lower screw rod, and the movable plate drives the upper cooling fan and the lower cooling fan to move in relative directions. The upper cooling fan and the lower cooling fan can drive the clamping plate through the wire rope and the fixed pulley. The clamping plate stretches the clamping plate spring, and the two clamping plates are separated, so that the interior of the cabin can be cooled. When the upper cooling fan and the lower cooling fan move in opposite directions, the clamping plate is clamped in under the tension of the clamping plate spring, and the cabin body is closed, which can prevent rainwater, dust, etc. from entering the interior of the cabin. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1A schematic diagram of a cooling device for a cabin of a wind turbine generator set according to the present invention;

[0019] Figure 2 This is a cross-sectional view of a cooling device for a cabin of a wind turbine generator set according to the present invention;

[0020] Figure 3 This is a structural diagram of a radiator for a wind turbine cabin cooling device of the present invention;

[0021] Figure 4 The present invention is a cooling device for a cabin of a wind turbine generator set Figure 2 Enlarged view of point A in the middle;

[0022] Figure 5 The present invention is a cooling device for a cabin of a wind turbine generator set Figure 2 Enlarged view of point B in the middle.

[0023] In the figure: 1. Cabin body; 2. Water collecting tank; 3. Filter; 4. Sealing plate; 5. Water pump; 6. Radiator; 7. Dust net; 8. Water inlet; 9. Drain; 10. Slider on sealing plate; 11. Slide groove on sealing plate; 12. Slider under sealing plate; 13. Lifting rod; 14. Upper screw; 15. Vertical bevel gear; 16. Servo motor; 17. Horizontal bevel gear; 18. Lower screw; 19. Movable plate; 20. Fixed rod; 21. Upper cooling fan; 22. Lower cooling fan; 23. Fixed pulley; 24. Card plate; 25. Card plate spring. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings:

[0025] like Figure 1 and Figure 2 As shown, the wind turbine cabin cooling device described in the present invention comprises a cabin body 1, a water collecting bin 2 is fixedly installed on the top of the cabin body 1 in a welding manner, a sealing plate 4 is movably installed on one end of the top of the water collecting bin 2 through a rotating shaft, a filter screen 3 is fixedly installed on the other end of the top of the water collecting bin 2, a sealing plate slide groove 11 is provided on the top of one end of the sealing plate 4, a sealing plate slider 10 is slidably installed inside the sealing plate slide groove 11, the sealing plate slider 10 is movably connected to one end of the filter screen 3 through a rotating shaft, a sealing plate lower groove is provided on the bottom of one end of the sealing plate 4, a sealing plate lower slider 12 is slidably installed inside the sealing plate lower groove, a water pump 5 is fixedly installed on one side of the water collecting bin 2, a water suction port of the water pump 5 is arranged inside the water collecting bin 2, and a radiator 6 is fixedly installed inside the cabin body 1, as shown in FIG. Figure 3 As shown, a water inlet 8 and a water outlet 9 are respectively provided at the two ends of the top of the radiator 6, and a semiconductor refrigerator is fixedly installed inside the water collection tank 2. Figure 4As shown, a servo motor 16 is fixedly installed on one side of the water collecting bin 2, and a transverse bevel gear 17 is fixedly installed on the output shaft of the servo motor 16. An upper screw 14 is rotatably installed on one side of the top of the cabin body 1, and a vertical bevel gear 15 is fixedly installed on the bottom of the upper screw 14. A lifting rod 13 is movably installed on the upper screw 14 through a screw hole. The top of the lifting rod 13 is movably connected to the lower slider 12 of the sealing plate through a rotating shaft. A movable plate 19 is symmetrically movably installed on the lower screw 18 through a screw hole, and an upper cooling fan 21 and a lower cooling fan 22 are respectively fixedly installed on one end of the movable plate 19. Figure 5 As shown, a dustproof net 7 is fixedly installed on one side of the cabin body 1, and a card plate 24 is symmetrically and slidably installed on the inner side of the dustproof net 7 through a card plate spring 25, and a steel wire rope is fixedly installed on one end of the card plate 24, and the other end of the steel wire rope is fixedly connected to one end of the upper cooling fan 21 and the lower cooling fan 22. Fixed pulleys 23 are fixedly installed on the top and bottom of the card plate 24, and the steel wire rope is wound around the fixed pulley 23. The rain sensor detects whether it is raining, and the sealing plate 4 is adjusted by the intelligent control system. The water collecting bin 2 can collect rainwater and can be closed at the same time to reduce the evaporation rate of rainwater. The cabin body 1 can also be closed to prevent rainwater from entering the interior of the cabin body 1 and causing damage to the equipment.

[0026] The filter screen 3 is in a "V" shape, and a raised portion of the filter screen 3 is arranged at the top, which can filter impurities in rainwater and facilitate dust on the top of the filter screen 3 to fall off.

[0027] A limiting block is provided on one side of the interior of the water collecting bin 2, and the limiting block is arranged on the top of the other end of the sealing plate 4, so as to limit the sealing plate 4 and facilitate the downward rotation of the sealing plate 4.

[0028] The bottom of the radiator 6 is arranged inside the inner wall of the cabin body 1. The shape of the radiator 6 is a square ring. The radiator 6 is arranged at the bottom of the water collecting bin 2. The radiator 6 is used to dissipate heat inside the cabin body 1, thereby improving its heat dissipation efficiency.

[0029] like Figure 4 As shown, the transverse bevel gear 17 and the vertical bevel gear 15 are meshed with each other, and the number of the transverse bevel gear 17 and the number of the vertical bevel gear 15 are both one, which is convenient for driving the upper screw 14 and the lower screw 18 to rotate.

[0030] The drain outlet 9 is arranged inside the water collecting tank 2 , and the water inlet 8 is fixedly connected to the water outlet of the water pump 5 , so as to facilitate the water to be pumped into the radiator 6 .

[0031] like Figure 4 As shown, the lifting rod 13 is in a “T” shape, and one end of the lifting rod 13 is slidably mounted on the outer wall of the water collecting bin 2 to facilitate adjustment of the sealing plate 4 .

[0032] The lower screw 18 is a bidirectional screw, and a fixed rod 20 is fixedly installed on one side of the bottom of the water collecting bin 2. The movable plate 19 is slidably installed on the fixed rod 20. The movable plate 19 can be limited by the fixed rod 20, so that the movable plate 19 can be lifted and slid conveniently.

[0033] like Figure 5 As shown, the clamping plate 24 is arranged on the outer sides of the upper cooling fan 21 and the lower cooling fan 22 . The clamping plate 24 is in an “L” shape and can seal the cabin body 1 .

[0034] An intelligent control system is fixedly installed inside the cabin body 1, and a rain sensor is fixedly installed on one side of the top of the cabin body 1. The intelligent control system is electrically connected to the water pump 5, the semiconductor refrigerator, the servo motor 16, the upper cooling fan 21, the lower cooling fan 22 and the rain sensor through wires, so as to facilitate the heat dissipation of the cabin body 1.

[0035] When the wind turbine cabin cooling device is used, the servo motor 16 is started, and the servo motor 16 drives the upper screw 14 and the screw 18 through the transverse bevel gear 17 and the vertical bevel gear 15. The upper screw 14 drives the lifting rod 13 through the screw hole. One end of the lifting rod 13 slides on the upper limit of the outer wall of the water collecting bin 2, and the sealing plate 4 is pushed through the lower slider 12 of the sealing plate. The sealing plate 4 rotates inside the water collecting bin 2 through the rotating shaft. At the same time, the lower slider 12 of the sealing plate slides inside the sliding groove of the sealing plate. One end of the filter screen 3 slides on the sealing plate 4 through the slider 10 on the sealing plate and the sliding groove 11 on the sealing plate. One end of the sealing plate 4 is separated from the limit block, and the sealing plate 4 There is a gap between one end of the water collecting bin 2, the screw 18 drives the upper cooling fan 21 and the lower cooling fan 22 through the movable plate 19, and the card plate 24 is clamped into each other under the elastic force of the card plate spring 25 to close the cabin body 1, which can prevent rainwater from entering the interior of the cabin body 1, and add a proper amount of clean water to the interior of the water collecting bin 2, and control the servo motor 16 to rotate in the opposite direction. The servo motor 16 drives the upper screw 14 and the screw 18 through the transverse bevel gear 17 and the vertical bevel gear 15, and the upper screw 14 drives the lifting rod 13 through the screw hole. One end of the lifting rod 13 slides on the upper limit position of the outer wall of the water collecting bin 2, and the sealing plate 4 is pulled through the lower slider 12 of the sealing plate. 4 rotates in the opposite direction, the sealing plate 4 closes the water collecting bin 2, the lower screw 18 drives the movable plate 19, one end of the movable plate 19 slides on the fixed rod 20, and the movable plate 19 drives the upper cooling fan 21 and the lower cooling fan 22 to move in the opposite direction, the upper cooling fan 21 and the lower cooling fan 22 gradually approach each other, the upper cooling fan 21 and the lower cooling fan 22 drive the card plate 24 through the wire rope, and the card plate 24 stretches the card plate spring 25. The cabin body 1 is opened, and when heat dissipation is required, the semiconductor refrigerator is controlled by the intelligent control system to cool the water inside the water collecting bin 2, and the water pump 5 is started. The water pump 5 discharges water from the inside of the water collecting bin 2 into the inside of the radiator 6, and the cabin body 1 is opened. The equipment inside the cabin body 1 is cooled, and the upper cooling fan 21 and the lower cooling fan 22 are started to dissipate the heat inside the cabin body 1 at the same time. Whether to use the upper cooling fan 21 and the lower cooling fan 22 or the radiator 6 can be selected according to local seasonal changes. The cooling device for the cabin of a wind turbine generator set cools the inside of the cabin body 1 through cooled rainwater, etc., which can improve the heat dissipation efficiency of the cabin body 1. By adjusting the sealing plate 4, rainwater can be collected to reduce the evaporation efficiency of rainwater. By adjusting the upper cooling fan 21 and the lower cooling fan 22, the cabin body 1 can be closed to prevent rainwater from entering the interior of the cabin body 1.

[0036] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A cooling device for a wind turbine nacelle, characterized in that: The invention comprises a cabin body (1), a water collecting bin (2) is installed on the top of the cabin body (1), a sealing plate (4) is movably installed on one end of the top of the water collecting bin (2) via a rotating shaft, a filter screen (3) is fixedly installed on the other end of the top of the water collecting bin (2), a water pump (5) is fixedly installed on one side of the water collecting bin (2), and a water suction port of the water pump (5) is arranged inside the water collecting bin (2); a radiator (6) is fixedly installed inside the cabin body (1), a water inlet (8) and a water outlet (9) are respectively provided at two ends of the top of the radiator (6), and the water outlet (9) is arranged inside the water collecting bin (2), and the water inlet (8) is fixedly connected to the water outlet of the water pump (5); An upper screw rod (14) is rotatably mounted on one side of the top of the cabin body (1), a lifting rod (13) is movably mounted on the upper screw rod (14) through a screw hole, the top end of the lifting rod (13) is movably connected to a lower slider (12) of the sealing plate through a rotating shaft, the upper screw rod (14) extends into the cabin body (1) and is connected to a lower screw rod (18), a movable plate (19) is symmetrically movably mounted on the lower screw rod (18) through a screw hole, and an upper cooling fan (21) and a lower cooling fan (22) are fixedly mounted on one end of the movable plate (19); A dust screen (7) is fixedly installed on one side of the cabin body (1), a card plate (24) is symmetrically and slidably installed on the inner side of the dust screen (7) through a card plate spring (25), a steel wire rope is fixedly installed on one end of the card plate (24), and the other end of the steel wire rope is fixedly connected to one end of the upper cooling fan (21) and the lower cooling fan (22), and fixed pulleys (23) are fixedly installed on the top and bottom of the card plate (24), and the steel wire rope is wound around the fixed pulley (23); The card plate (24) is arranged on the outer sides of the upper cooling fan (21) and the lower cooling fan (22), and the card plate (24) is in an "L" shape; A servo motor (16) is fixedly mounted on one side of the water collecting bin (2), a transverse bevel gear (17) is fixedly mounted on the output shaft of the servo motor (16), a vertical bevel gear (15) is fixedly mounted on the bottom of the upper screw rod (14), the transverse bevel gear (17) and the vertical bevel gear (15) are meshed with each other, and the number of the transverse bevel gear (17) and the number of the vertical bevel gear (15) are both one.

2. A cooling device for a wind turbine nacelle according to claim 1, characterized in that: The lifting rod (13) is in a "T" shape, and one end of the lifting rod (13) is limitedly slidably mounted on the outer wall of the water collecting bin (2).

3. The wind turbine nacelle cooling device according to claim 1, characterized in that: The lower screw rod (18) is a bidirectional screw rod, a fixed rod (20) is fixedly installed on one side of the bottom of the water collecting bin (2), and the movable plate (19) is slidably installed on the fixed rod (20).

4. The wind turbine nacelle cooling device according to claim 1, characterized in that: A sealing plate upper groove (11) is provided at the top of one end of the sealing plate (4), a sealing plate slider (10) is slidably mounted inside the sealing plate slider groove (11), the sealing plate slider (10) is movably connected to one end of the filter screen (3) via a rotating shaft, a sealing plate lower groove (4) is provided at the bottom of one end of the sealing plate (4), and a sealing plate lower slider (12) is slidably mounted inside the sealing plate lower groove (4).

5. The wind turbine nacelle cooling device according to claim 1, characterized in that: The filter screen (3) is in a "V" shape, and a raised portion of the filter screen (3) is arranged at the top.

6. The wind turbine nacelle cooling device according to claim 1, characterized in that: A limit block is provided on one side of the interior of the water collecting bin (2), and the limit block is arranged on the top of the other end of the sealing plate (4).

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