A high-efficiency heat dissipation device for wind turbine

Abstract

The present invention discloses a high-efficiency heat dissipation device for a wind turbine generator, specifically relates to the technical field of wind turbine generators, including a chassis, a fan blade is rotatably connected to one side of the chassis, a cleaning component is installed on the outside of the chassis, two air inlets are provided on one side of the chassis, a filter is fixedly connected to the inside of the air inlet, a generator is installed inside the chassis, and a heat dissipation mechanism is installed on the outside of the generator; the cleaning component includes a heat dissipation net, two first slide grooves are provided on the inside of the chassis, and a mobile frame is slidably connected to the inside of the two first slide grooves. The present invention removes dust and debris between the gaps of the heat dissipation net by setting a cleaning component and a heat dissipation mechanism, thereby maintaining the heat dissipation efficiency of the heat dissipation net, ensuring that the wind turbine generator can still operate normally in a high temperature environment, and at the same time, the high-efficiency heat conduction efficiency of the heat-conducting copper tube can be used to transfer heat to the coolant, which can effectively take away the heat generated by the inside of the chassis and the generator, thereby improving the heat dissipation efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of wind turbine generators, and more particularly to a high-efficiency heat dissipation device for wind turbine generators. Background Art

[0002] Wind energy is an inexhaustible clean energy that exists in nature. my country has a vast territory, and there is a large amount of wind energy in the Northeast, Northwest, and eastern coastal areas. The use of wind turbines is also increasing. Wind turbines are electrical equipment that converts wind energy into mechanical work, which drives the rotor to rotate and ultimately outputs alternating current. Wind turbines will generate a lot of heat when working for a long time, and most of them dissipate heat by opening heat dissipation holes on the outside of the main casing.

[0003] Although the existing cooling devices for wind turbines can achieve heat dissipation of wind turbines, the heat dissipation motor itself will generate heat due to long-term operation when used for a long time, which can easily cause the temperature inside the generator body to rise, affecting the heat dissipation effect. In addition, using the generator to power the heat dissipation motor also reduces the output of the generator.

[0004] After searching, a Chinese patent with announcement number CN218897135U discloses a novel cooling device for a wind turbine. When a higher flow rate is generated in the inner cavity of the shell through Bernoulli's principle, the air pressure in the shell is lower than the external air pressure, so that the external air enters the shell through the air inlet and is discharged from the air outlet for circulation. At the same time, the heat on the heat conduction plate is taken out to reduce the temperature of the generator, thereby efficiently completing the heat dissipation work of the wind turbine, improving the heat dissipation effect, and reducing the waste of resources.

[0005] When the above-mentioned new type of cooling device for wind turbines is actually used, dust and dirt impurities will accumulate inside the heat dissipation net of the wind turbine box after long-term use, which will hinder the effective dissipation of heat, resulting in a decrease in heat dissipation efficiency and an increase in the operating temperature inside the wind turbine box, thereby affecting the performance and life of the wind turbine set. Summary of the invention

[0006] In order to overcome the above defects of the prior art, the present invention provides a high-efficiency heat dissipation device for a wind turbine generator to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A high-efficiency heat dissipation device for a wind turbine generator, comprising a chassis, a fan blade is rotatably connected to one side of the chassis, a cleaning component is installed on the outside of the chassis, two air inlets are opened on one side of the chassis, a filter is fixedly connected to the inside of the air inlet, a generator is installed inside the chassis, and a heat dissipation mechanism is installed on the outside of the generator;

[0009] The cleaning component includes a heat dissipation net, two first slide grooves are provided on the inner side of the chassis, and a moving frame is slidably connected to the inner sides of the two first slide grooves, a connecting plate is fixedly connected to one side of the moving frame, an electric push rod is fixedly connected to the inner side of the chassis, the output end of the electric push rod is fixedly connected to one side of the connecting plate, a plurality of sealing strips are fixedly connected to one side of the moving frame, the front side of the chassis is fixedly connected to a shell, a stepping motor is fixedly connected to the inside of the shell, a screw rod is fixedly connected to the output end of the stepping motor, a rain shield is threadedly connected to the outer side of the screw rod, the front side of the chassis is fixedly connected to the guide plate, a second slide groove is provided on one side of the guide plate, the inner side of the second slide groove is slidably connected to one side of the rain shield, and a cleaning brush is fixedly connected to one side of the rain shield.

[0010] By adopting the above technical solution: the mobile frame can be used to isolate the heat dissipation net from the chassis when cleaning the heat dissipation net, reducing the impact of dust on the inside of the chassis. At the same time, the cleaning brush can be driven by the rain shield to clean the dust between the gaps on the inside of the heat dissipation net, thereby improving the heat dissipation efficiency of the heat dissipation net.

[0011] As a further description of the above technical solution: a circulating pump is fixedly connected to the upper surface of the generator, the output end of the circulating pump is connected to a delivery pipe, one end of the delivery pipe is connected to a heat-conducting copper pipe, the input end of the circulating pump is connected to an input pipe, one end of the input pipe is fixedly connected and connected to the other end of the delivery pipe, a heat-conducting plate is fixedly connected to the outside of the heat-conducting copper pipe, a first heat sink is arranged under the heat-conducting plate, the first heat sink is fixedly connected to the inside of the chassis, a second heat sink is fixedly connected to one side of the outside of the generator, two cooling fans are fixedly connected to one side of the second heat sink, two servo motors are fixedly connected to the inside of the chassis, and a fan is fixedly connected to the output end of the servo motor.

[0012] By adopting the above technical solution: utilizing the high thermal conductivity of the thermally conductive copper tube, heat can be transferred to the coolant in the thermally conductive copper tube, and the heat of the generator and the chassis can be driven by the circulation of the coolant, thereby improving the heat dissipation efficiency.

[0013] Technical effects and advantages of the present invention:

[0014] 1. By setting up a cleaning component, compared with the prior art, a mobile frame is used to drive multiple sealing strips to seal the gaps between the heat dissipation nets and the inside of the chassis when the heat dissipation net needs to be cleaned, and then a rain shield is used to drive a cleaning brush to clean the dust inside the heat dissipation net. The dust and debris between the gaps of the heat dissipation net can be cleaned, thereby maintaining the heat dissipation efficiency of the heat dissipation net and ensuring that the wind turbine can still operate normally in a high temperature environment.

[0015] 2. By setting up a heat dissipation mechanism, compared with the existing technology, a circulating pump can be used to circulate the coolant inside the heat-conducting copper tube. The high thermal conductivity of the heat-conducting copper tube can transfer heat to the coolant, which can effectively take away the heat generated by the inside of the chassis and the generator, thereby improving the heat dissipation efficiency. At the same time, it ensures the continuity and stability of the heat dissipation effect, and can effectively avoid the efficiency loss caused by overheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a schematic diagram of the chassis structure of the present invention.

[0018] Figure 3 It is a schematic diagram of the rear structure of the chassis of the present invention.

[0019] Figure 4 It is a schematic diagram of the internal cross-sectional structure of the chassis of the present invention.

[0020] Figure 5 It is a schematic diagram of the local structure of the connection between the movable frame and the sealing strip of the present invention.

[0021] Figure 6 It is a schematic diagram of the local structure of the connection of the rain shield of the present invention.

[0022] Figure 7 It is a schematic diagram of the structure of the rain shield of the present invention.

[0023] Figure 8 For the present invention Figure 1 Schematic diagram of the structure of the enlarged view of part A.

[0024] The accompanying drawings are marked as follows: 1. chassis; 2. fan blades; 3. air inlet; 4. filter; 5. generator; 6. heat dissipation net; 7. first slide; 8. movable frame; 9. connecting plate; 10. electric push rod; 11. sealing strip; 12. outer shell; 13. stepping motor; 14. screw rod; 15. rain shield; 16. guide plate; 17. second slide; 18. cleaning brush; 19. circulating pump; 20. delivery pipe; 21. heat-conducting copper pipe; 22. heat-conducting plate; 23. first heat sink; 24. second heat sink; 25. cooling fan; 26. servo motor; 27. fan; 28. input pipe. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] The embodiments of this application disclose Figure 1-8 The wind turbine generator high-efficiency heat dissipation device shown comprises a chassis 1, a fan blade 2 is rotatably connected to one side of the chassis 1, a cleaning component is installed on the outside of the chassis 1, two air inlets 3 are provided on one side of the chassis 1, a filter 4 is fixedly connected to the inside of the air inlet 3, a generator 5 is installed inside the chassis 1, and a heat dissipation mechanism is installed on the outside of the generator 5;

[0027] The cleaning component includes a heat dissipation net 6, two first slide grooves 7 are provided on the inner side of the chassis 1, and a moving frame 8 is slidably connected to the inner side of the two first slide grooves 7, and a connecting plate 9 is fixedly connected to one side of the moving frame 8, an electric push rod 10 is fixedly connected to the inner side of the chassis 1, and the output end of the electric push rod 10 is fixedly connected to one side of the connecting plate 9, and a plurality of sealing strips 11 are fixedly connected to one side of the moving frame 8, a shell 12 is fixedly connected to the front side of the chassis 1, a stepping motor 13 is fixedly connected to the inside of the shell 12, a screw rod 14 is fixedly connected to the output end of the stepping motor 13, and a rain shield 15 is threadedly connected to the outer side of the screw rod 14, a guide plate 16 is fixedly connected to the front side of the chassis 1, and a second slide groove 17 is provided on one side of the guide plate 16, and the inner side of the second slide groove 17 is slidably connected to one side of the rain shield 15, and a cleaning brush 18 is fixedly connected to one side of the rain shield 15, and the electric push rod 10 is used to push the moving frame 8 between the two first slide grooves through the connecting plate 9. 7 slides inside, so that the moving frame 8 can drive the multiple sealing strips 11 to seal the gaps between the heat dissipation nets 6, so that the inside of the chassis 1 can be protected when it rains or the heat dissipation net 6 is cleaned, and rainwater or dust can be reduced from entering the inside of the chassis 1. The stepping motor 13 drives the screw rod 14 to drive the rain shield 15 to move up and down through the thread. The arc angle of one side of the rain shield 15 can reduce rainwater from entering the inside of the heat dissipation net 6, so that the heat dissipation net 6 can be protected. At the same time, one side of the rain shield 15 is slidably connected to the inner side of the second slide groove 17, so that the rain shield 15 can stably drive the cleaning brush 18 to clean the gaps between the heat dissipation nets 6. The slope on the inner side of the heat dissipation net 6 allows the dust cleaned by the cleaning brush 18 to be discharged from the gaps of the heat dissipation net 6, so that the dust and debris between the gaps of the heat dissipation net 6 can be cleaned, thereby improving the heat dissipation efficiency of the heat dissipation net 6.

[0028] Reference Figure 4 and 1As shown, a circulating pump 19 is fixedly connected to the upper surface of the generator 5, and a delivery pipe 20 is connected to the output end of the circulating pump 19, and a heat-conducting copper pipe 21 is connected to one end of the delivery pipe 20, and an input pipe 28 is connected to the input end of the circulating pump 19, and one end of the input pipe 28 is fixedly connected and connected to the other end of the delivery pipe 20, and a heat-conducting plate 22 is fixedly connected to the outside of the heat-conducting copper pipe 21, and a first heat sink 23 is arranged below the heat-conducting plate 22, and the first heat sink 23 is fixedly connected to the inside of the chassis 1, and a second heat sink 24 is fixedly connected to one side of the outer side of the generator 5, and two cooling fans 25 are fixedly connected to one side of the second heat sink 24, and two servo motors 26 are fixedly connected to the inside of the chassis 1, and a fan 27 is fixedly connected to the output end of the servo motor 26. Under the action of the circulating pump 19, The coolant inside the heat-conducting copper tube 21 can circulate, and the heat of the generator 5 can be transferred to the coolant by utilizing the efficient heat conductivity of the heat-conducting copper tube 21. Then, when the coolant flows in the heat-conducting plate 22, the first heat sink 23 can absorb the heat emitted by the coolant, and at the same time, the second heat sink 24 can absorb the heat outside the generator 5. The fan 27 is driven to rotate by the servo motor 26, so that the fan 27 can blow the heat emitted by the first heat sink 23 to one side of the heat dissipation network 6, and cooperate with the two heat dissipation fans 25 to dissipate the heat emitted from the inside of the chassis 1 to the external air through the heat dissipation network 6, thereby improving the heat dissipation efficiency inside the chassis 1 and ensuring the continuity and stability of the heat dissipation effect.

[0029] Working principle of the invention: The invention designs a high-efficiency heat dissipation device for a wind turbine generator, the specific structure of which is as shown in the attached manual. Figure 1-8 As shown, in the technical solution, through the mutual cooperation between various structures, when the heat generated by the operation inside the chassis 1 needs to be dissipated, the circulation pump 19 is first started. Under the action of the circulation pump 19, the coolant inside the heat-conducting copper tube 21 can be circulated in the heat-conducting copper tube 21 through the input pipe 28 and the delivery pipe 20, so that the heat-conducting copper tube 21 can absorb the heat emitted by the generator 5 on the outside of the generator 5, and then the heat emitted by the generator 5 can be further absorbed through the first heat sink 23 and the second heat sink 24, and dissipated to the inside of the chassis 1, and then the two cooling fans 25 and the servo motor 26 are started, and the fan 27 is driven by the servo motor 26 to rotate, so that the fan 27 can blow the heat emitted by the first heat sink 23 inside the chassis 1 to the side of the heat dissipation net 6, and the two cooling fans 25 rotate on the side of the second heat sink 24, so that the heat emitted by the second heat sink 24 can be taken away and the heat accumulated on one side of the chassis 1 can be blown, so that the heat inside the chassis 1 can be dissipated to the outside through the heat dissipation net 6;

[0030] When it is necessary to clean the dust inside the heat dissipation net 6, the electric push rod 10 is started, and the electric push rod 10 is used to push the moving frame 8 to slide inside the two first slide grooves 7 through the connecting plate 9, so that the moving frame 8 can drive the multiple sealing strips 11 to seal the gaps between the heat dissipation nets 6 inside the chassis 1, which can effectively prevent dust from entering the chassis 1 during cleaning. Then, the stepper motor 13 is started, and the stepper motor 13 is used to start the screw rod 14 to rotate, so that the screw rod 14 drives the rain shield 15 to rotate through the thread, and the rain shield 15 is rotated. One side of the rain shield 15 is slidably connected to the inner side of the guide plate 16, so that the rain shield 15 can drive the cleaning brush 18 to move up and down on the inner side of the heat dissipation net 6, so that the dust and impurities in the gaps between the inner sides of the heat dissipation net 6 can be cleaned. At the same time, the slopes between the gaps of the heat dissipation net 6 are used to allow the dust cleaned from top to bottom by the cleaning brush 18 to be swept to the outer side of the heat dissipation net 6 through the slope, so that the dust on the inner side of the heat dissipation net 6 can be cleaned. When the cleaning is completed, the electric push rod 10 is closed, so that the heat dissipation net 6 can continue to dissipate heat.

[0031] Among them, in the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the case of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0032] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned belong to the prior art, so they are not shown in the figure and will not be described here;

[0033] Finally: The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-efficiency heat dissipation device for a wind turbine generator, comprising a chassis (1), characterized in that: A fan blade (2) is rotatably connected to one side of the chassis (1), a cleaning component is installed on the outside of the chassis (1), two air inlets (3) are provided on one side of the chassis (1), a filter (4) is fixedly connected to the inside of the air inlet (3), a generator (5) is installed inside the chassis (1), and a heat dissipation mechanism is installed on the outside of the generator (5); The cleaning component comprises a heat dissipation net (6), two first slide grooves (7) are provided on the inner side of the chassis (1), a movable frame (8) is slidably connected to the inner side of the two first slide grooves (7), a connecting plate (9) is fixedly connected to one side of the movable frame (8), an electric push rod (10) is fixedly connected to the inner side of the chassis (1), an output end of the electric push rod (10) is fixedly connected to one side of the connecting plate (9), and a plurality of sealing strips (11) are fixedly connected to one side of the movable frame (8).

2. The high-efficiency heat dissipation device for a wind turbine according to claim 1, characterized in that: The front side of the chassis (1) is fixedly connected to a housing (12), the interior of the housing (12) is fixedly connected to a stepper motor (13), the output end of the stepper motor (13) is fixedly connected to a lead screw (14), and the outer side of the lead screw (14) is threadedly connected to a rain shield (15).

3. The high-efficiency heat dissipation device for a wind turbine according to claim 1, characterized in that: The front side of the chassis (1) is fixedly connected to a guide plate (16), and a second sliding groove (17) is provided on one side of the guide plate (16).

4. The high-efficiency heat dissipation device for a wind turbine according to claim 1, characterized in that: The inner side of the second slide groove (17) is slidably connected to one side of the rain shield (15), and a cleaning brush (18) is fixedly connected to one side of the rain shield (15).

5. The high-efficiency heat dissipation device for a wind turbine according to claim 1, characterized in that: A circulation pump (19) is fixedly connected to the upper surface of the generator (5); the output end of the circulation pump (19) is connected to a delivery pipe (20); one end of the delivery pipe (20) is connected to a heat-conducting copper pipe (21); the input end of the circulation pump (19) is connected to an input pipe (28); one end of the input pipe (28) is fixedly connected and connected to the other end of the delivery pipe (20).

6. The high-efficiency heat dissipation device for a wind turbine generator according to claim 5, characterized in that: A heat conducting plate (22) is fixedly connected to the outside of the heat conducting copper tube (21), a first heat dissipation plate (23) is arranged below the heat conducting plate (22), the first heat dissipation plate (23) is fixedly connected to the inside of the chassis (1), a second heat dissipation plate (24) is fixedly connected to one side of the outside of the generator (5), and two heat dissipation fans (25) are fixedly connected to one side of the second heat dissipation plate (24).

7. The high-efficiency heat dissipation device for a wind turbine generator according to claim 1, characterized in that: Two servo motors (26) are fixedly connected inside the chassis (1), and a fan (27) is fixedly connected to the output end of the servo motor (26).

Images