High-load wind power generation device based on speed-limiting buffer mechanism and combined tower

Abstract

The invention discloses a high-load wind power generation device based on a speed-limiting buffer mechanism and a combined tower, which comprises a tower, a tower base is mounted at the bottom of the tower, fixing frames are arranged on the left and right sides of the bottom of the tower base, two inflatable round balls are arranged on the left and right sides of each fixing frame, a direct current motor is connected with a controller, and the controller is connected with the speed-limiting buffer mechanism. The motor is connected with the uncontrolled rectification power supply device, and the motor, the controller and the uncontrolled rectification power supply device are all electrically connected with the electromagnetic speed limiting device. The electromagnetic speed limiting device is electrified to generate a magnetic field, so that electromagnetic speed limiting braking torque is further generated, part of wind energy absorbed by the wind turbine is consumed, and the rotating speed of a rotor shaft of the generator is reduced; wind power generation can still work normally at a certain over-wind speed, the over-wind speed protection function of the wind power generation system is achieved, the upper limit of the wind speed utilization interval of the wind power generation system is improved, the generating capacity of the wind power generation system is increased, and the wind energy utilization rate is increased.

Description

Technical Field

[0001] The present invention relates to the technical field of high-load wind power generation, and in particular to a high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower. Background Art

[0002] Wind energy has become one of the new energy sources that countries around the world value due to its green, environmentally friendly, widespread distribution and abundant energy. The development of wind power generation technology provides a good solution to the electricity consumption problems in some remote mountainous areas and agricultural and pastoral areas. However, under natural conditions, there is a great deal of randomness in wind speed and direction. The excessive wind speed caused by strong winds can easily cause the input power of the wind system to be too high, causing the wind turbine and generator rotor shaft to rotate too fast, causing the wind turbine to run out of control, burning the generator and rectifier control circuit, damaging the battery, and even causing the mechanical parts to fall off and other serious consequences. Summary of the invention

[0003] The purpose of the present invention is to provide a high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower, so as to solve the problem that under natural conditions proposed in the above background technology, there is a great deal of randomness in wind speed and wind direction, and the excessive wind speed caused by strong winds can easily cause the input power of the wind system to be too high, causing the wind fan and the generator rotor shaft to rotate too fast, resulting in the wind turbine running out of control, burning the generator and rectifier control circuit, damaging the battery, and even causing serious consequences such as the detachment of mechanical parts.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower, comprising a tower, a tower base is installed at the bottom of the tower, a fixing frame is arranged on the left and right sides of the bottom of the tower base, two inflatable round balls are arranged on the left and right sides of the fixing frame, and a plurality of inflatable round balls are arranged with connecting heads, a supporting frame is arranged on the left side of the tower, a gas box is arranged on the left side of the supporting frame, an air pump is connected to the front side of the gas box, a switch valve is connected to the air pump, and the air pump An inflation pipe is connected to the top, a frame box is installed on the upper part of the tower, a through slot three is arranged on the frame box and the left side of the tower, frame plates are installed on the upper and lower parts of the right side of the through slot three, and a mounting wheel one is arranged between the two frame plates, the mounting wheel one is connected to one side of the connecting belt, and the other side of the connecting belt is connected to the mounting wheel two, the mounting wheel two is fixedly connected to the output end of the DC motor, the DC motor is connected to the controller, the motor is connected to the uncontrolled rectifier power supply device, and the motor, the controller and the uncontrolled rectifier power supply device are all electrically connected to the electromagnetic speed limiting device.

[0005] As a preferred technical solution of the present invention, a slide groove is provided on the right side of the support frame, and a fixing rod and a threaded rod are provided in the slide groove, the top of the threaded rod passes through the support frame and is fixedly connected to the output end of the motor, the fixing rod is slidably connected to the left front end of the lower connecting frame, the threaded rod is threadedly connected to the left rear end of the lower connecting frame, the lower connecting frame is slidably connected to the tower, an upper connecting frame is installed on the upper right part of the support frame, a side connecting frame is provided on the right side of the upper connecting frame, and the right side of the upper connecting frame and the left side of the side connecting frame are detachably connected with multiple first connecting bolts.

[0006] As a preferred technical solution of the present invention, a sleeve clamp is provided on the connecting belt, and the mounting wheel one and the mounting wheel two are divided into two halves, and the two mounting wheels one and two mounting wheels two are both detachably connected with multiple wheel connecting screws.

[0007] As a preferred technical solution of the present invention, a plurality of mounting bolts are equidistantly arranged on the two fixing frames, and the plurality of mounting bolts are equidistantly installed on the tower base.

[0008] As a preferred technical solution of the present invention, a first set of plates are installed on the upper and lower parts of the upper connecting frame and the side connecting frame, and a plurality of second connecting bolts are arranged on the two first sets of plates, and the plurality of second connecting bolts are equidistantly detachable on the tower, and a second set of plates are installed on the upper and lower parts of the frame box, and a plurality of third connecting bolts are equidistantly arranged on the two second sets of plates, and the plurality of third connecting bolts are equidistantly detachable and connected to the tower.

[0009] As a preferred technical solution of the present invention, a second through groove is provided at the left end of the inner front side of the frame box.

[0010] As a preferred technical solution of the present invention, both the lower connecting frame and the upper connecting frame are provided with a through slot 1.

[0011] As a preferred technical solution of the present invention, the middle portion of the installation wheel 1 is fixedly connected to the bottom of the wind turbine generator head.

[0012] As a preferred technical solution of the present invention, an inlet is arranged on the front side of the tower base.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The DC motor drives the installation wheel 2 to rotate, and the rotation of the installation wheel 2 drives the installation wheel 1 to rotate through the connecting belt, and the rotation of the installation wheel 1 drives the wind turbine generator head to rotate. The DC motor is connected to the controller and the uncontrolled rectifier power supply device, and the electromagnetic speed limit device is energized and generates a magnetic field, which further generates an electromagnetic speed limit braking torque, consumes part of the wind energy absorbed by the wind turbine, reduces the speed of the generator rotor shaft, and enables the wind power generation to work normally under a certain degree of overwind speed, which not only realizes the overwind speed protection function of the wind power generation system, but also increases the upper limit of the wind speed utilization range of the wind power generation system, increases the power generation of the wind power system, and increases the wind energy utilization rate; 2. The tower can be protected by four inflatable round balls. The inflatable round balls can be connected to the inflatable tube, and then the gas is pumped out from the gas box through the air pump, and then the four inflatable round balls are filled with air when needed through the inflatable tube. When the inflatable round balls are full of air, the tower can be protected. In this way, the tower will not hit the ground directly after being lowered horizontally, and there will be no friction. In addition, the tower can be supported at the bottom to increase the supporting force. When the tower is accidentally at risk of tipping over, the inflatable round balls will also play a buffering role; 3. A combined tower frame is formed by a supporting frame, a lower connecting frame and an upper connecting frame for support and fixation, and the upper connecting frame can be disassembled on the tower frame, and the lower connecting frame can move on the tower frame. The threaded rod is driven to rotate by a motor, and the threaded rod will move the lower connecting frame up and down on the fixed rod. The lower connecting frame can adjust the height to transport items, and manpower can move up and down on the lower connecting frame. The upper connecting frame and the side connecting frame are installed on the tower frame by the first connecting bolt and the second connecting bolt, and are easy to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a main perspective view of the present invention; Figure 2 is a cutaway perspective view of the present invention; Figure 3 for Figure 2 A magnified image of point A; Figure 4 is a side perspective view of the present invention; Figure 5 for Figure 4 A magnified view of point B; Figure 6 The present invention is a connection diagram of a DC motor, a controller, an uncontrolled rectifier power supply device and an electromagnetic speed limiting device.

[0015] In the figure: 1, tower; 2, tower base; 3, fixing frame; 4, mounting bolts; 5, inflatable round ball; 6, connector; 7, lower connecting frame; 8, through slot 1; 9, support frame; 10, slide slot; 11, fixing rod; 12, threaded rod; 13, motor; 14, upper connecting frame; 15, side connecting frame; 16, first connecting bolt; 17, first set of plates; 18, second connecting bolt; 19, gas box; 20, vacuum pump; 21, inflatable Air pipe; 22. Switch valve; 23. Frame box; 24. Slot three; 25. Frame plate; 26. Install runner one; 27. Install runner two; 28. Runner connecting screws; 29. ​​Connecting belt; 30. DC motor; 31. Clamp; 32. Slot two; 33. Wind turbine head; 34. Inlet; 35. Controller; 36. Uncontrolled rectifier power supply device; 37. Electromagnetic speed limiter; 38. Second set of plates; 39. Third connecting bolt. DETAILED DESCRIPTION

[0016] The following will be combined with 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 making creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-6 The present invention provides a high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower, comprising a tower 1, a tower base 2 is installed at the bottom of the tower 1, a fixing frame 3 is arranged on both the left and right sides of the bottom of the tower base 2, two inflatable round balls 5 are arranged on both the left and right sides of the fixing frame 3, and a plurality of inflatable round balls 5 are arranged with a connector 6, a support frame 9 is arranged on the left side of the tower 1, a gas box 19 is arranged on the left side of the support frame 9, an air pump 20 is connected to the front side of the gas box 19, a switch valve 22 is connected to the air pump 20, and an air filling pipe 21 is connected to the air pump 20, and a tower 1 is installed on the upper part of the tower 1. There is a frame box 23, a through slot three 24 is arranged on the left side of the frame box 23 and the tower 1, frame plates 25 are installed on the upper and lower parts of the right side of the through slot three 24, and a mounting wheel one 26 is arranged between the two frame plates 25, the mounting wheel one 26 is connected to one side of the connecting belt 29, and the other side of the connecting belt 29 is connected to the mounting wheel two 27, and the mounting wheel two 27 is fixedly connected to the output end of the DC motor 30, the DC motor 30 is connected to the controller 35, the motor 30 is connected to the uncontrolled rectifier power supply device 36, the motor 30, the controller 35 and the uncontrolled rectifier power supply device 36 are all electrically connected to the electromagnetic speed limiting device 37, Figure 1The four inflatable round balls 5 on the tower 1 can protect the tower 1. The inflatable round balls 5 can be connected to the inflation tube 21, and then the gas is extracted from the gas box 19 through the air pump 20, and then the four inflatable round balls 5 are filled with air when needed through the inflation tube 21. When the inflatable round balls 5 are full of air, the tower 1 can be protected. In this way, the tower 1 will not directly hit the ground after being lowered horizontally, and there will be no friction. In addition, the tower 1 can be supported at the bottom to increase the supporting force. When the tower 1 is accidentally at risk of tipping over, the inflatable round balls 5 will also play a buffering role. The DC motor 30 drives the installation wheel 27 to rotate, and the installation wheel The rotation of the second 27 drives the installation wheel 26 to rotate through the connecting belt 29, and the rotation of the installation wheel 26 drives the wind turbine generator head 33 to rotate. The DC motor 30 is connected to the controller 35 and the uncontrolled rectifier power supply device 36. The electromagnetic speed limiting device 37 is energized and generates a magnetic field, which further generates an electromagnetic speed limiting braking torque, consumes part of the wind energy absorbed by the wind turbine, reduces the speed of the generator rotor shaft, and allows the wind power generation to still work normally under a certain degree of overwind speed, which not only realizes the overwind speed protection function of the wind power generation system, but also increases the upper limit of the wind speed utilization range of the wind power generation system, increases the power generation of the wind power system, and increases the wind energy utilization rate.

[0018] A slide groove 10 is provided on the right side of the support frame 9, and a fixing rod 11 and a threaded rod 12 are provided in the slide groove 10. The top of the threaded rod 12 passes through the support frame 9 and is fixedly connected to the output end of the motor 13. The fixing rod 11 is slidably connected to the left front end of the lower connecting frame 7, and the threaded rod 12 is threadedly connected to the left rear end of the lower connecting frame 7. The lower connecting frame 7 is slidably connected to the tower 1. An upper connecting frame 14 is installed on the upper right side of the support frame 9. A side connecting frame 15 is provided on the right side of the upper connecting frame 14. The right side of the upper connecting frame 14 and the left side of the side connecting frame 15 are both detachably connected with a plurality of first connecting bolts 16 The combined tower frame is supported and fixed by a supporting frame 9, a lower connecting frame 7 and an upper connecting frame 14, and the upper connecting frame 14 can be disassembled on the tower frame 1, and the lower connecting frame 7 can move on the tower frame 1. The threaded rod 12 is driven to rotate by a motor 13, and the threaded rod 12 will move the lower connecting frame 7 up and down on the fixing rod 11. The lower connecting frame 7 can adjust the height to transport items, and manpower can move up and down on the lower connecting frame 7. The upper connecting frame 14 and the side connecting frame 15 are installed on the tower frame 1 through the first connecting bolt 16 and the second connecting bolt 18, and are easy to disassemble.

[0019] A sleeve clamp 31 is provided on the connecting belt 29, and the installing wheel 1 26 and the installing wheel 2 27 are divided into two halves. The two installing wheels 1 26 and the two installing wheels 27 are both detachably connected with multiple wheel connecting screws 28. The sleeve clamp 31 protects the connecting belt 29 from being easily worn. The installing wheel 1 26 can be divided into two halves, and the installing wheel 1 26 can be installed and removed by means of multiple wheel connecting screws 28. The installing wheel 2 27 is also divided into two halves and can be installed and removed by means of multiple wheel connecting screws 28.

[0020] Multiple mounting bolts 4 are equidistantly arranged on the two fixing frames 3 , and the multiple mounting bolts 4 are equidistantly installed on the tower base 2 . The fixing frames 3 are installed on the tower base 2 by the multiple mounting bolts 4 , and the fixing frames 3 are used to install multiple inflatable round balls 5 .

[0021] The upper and lower parts of the upper connecting frame 14 and the side connecting frame 15 are both installed with a first set of plates 17, and a plurality of second connecting bolts 18 are provided on the two first sets of plates 17, and the plurality of second connecting bolts 18 are equidistantly removable on the tower 1; the upper and lower parts of the frame box 23 are both installed with a second set of plates 38, and a plurality of third connecting bolts 39 are equidistantly removably connected to the tower 1; the upper connecting frame 14 and the side connecting frame 15 are fixed to the tower 1 by the first set of plates 17, and are installed and removed from the tower 1 by the plurality of second connecting bolts 18; the frame box 23 is reinforced and fixed by the second set of plates 38, and is installed and removed from the tower 1 by the plurality of third connecting bolts 39, so as to facilitate the fixing and removal of the frame box 23.

[0022] A through slot 2 32 is provided at the left end of the front side of the frame box 23. A through slot 1 8 is provided on both the lower connecting frame 7 and the upper connecting frame 14. Both the through slot 2 32 and the through slot 1 8 are left for convenient repair. The middle of the installation wheel 1 26 is fixedly connected to the bottom of the wind turbine head 33. An entrance 34 is provided on the front side of the tower base 2 for convenient access to the interior of the tower base 2 for maintenance.

[0023] In the present invention, the DC motor 30 drives the installation wheel 27 to rotate, and the rotation of the installation wheel 27 drives the installation wheel 1 26 to rotate through the connecting belt 29, and the rotation of the installation wheel 1 26 drives the wind turbine generator head 33 to rotate. The DC motor 30 is connected to the controller 35 and the uncontrolled rectifier power supply device 36. The electromagnetic speed limiting device 37 is energized and generates a magnetic field, which further generates an electromagnetic speed limiting braking torque, consumes part of the wind energy absorbed by the wind turbine, reduces the rotation speed of the generator rotor shaft, and enables wind power generation to still work normally under a certain degree of overwind speed, which not only realizes the overwind speed protection function of the wind power generation system, but also increases the upper limit of the wind speed utilization range of the wind power generation system, increases the power generation of the wind power system, and increases the wind energy utilization rate.

[0024] Figure 1 The four inflatable round balls 5 on the tower 1 can protect the tower 1. The inflatable round balls 5 can be connected to the inflation tube 21, and then the gas is extracted from the gas box 19 through the vacuum pump 20, and then the four inflatable round balls 5 are filled with air when needed through the inflation tube 21. When the inflatable round balls 5 are full of air, the tower 1 can be protected. In this way, the tower 1 will not directly hit the ground after being lowered horizontally, and there will be no friction. It can also support the bottom of the tower 1 to increase the supporting force. When the tower 1 is at risk of tipping over accidentally, the inflatable round balls 5 will also play a buffering role.

[0025] A combined tower is formed by a support frame 9, a lower connecting frame 7 and an upper connecting frame 14 for support and fixation, and the upper connecting frame 14 can be disassembled on the tower 1, and the lower connecting frame 7 can move on the tower 1. The threaded rod 12 is driven to rotate by a motor 13, and the threaded rod 12 will move the lower connecting frame 7 up and down on the fixing rod 11. The lower connecting frame 7 can adjust its height to transport items, and manpower can move up and down on the lower connecting frame 7. The upper connecting frame 14 and the side connecting frame 15 are installed on the tower 1 through the first connecting bolt 16 and the second connecting bolt 18, and are easy to disassemble.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. 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-load wind power generation device based on a speed limiting buffer mechanism and a combined tower, comprising a tower (1), characterized in that: A tower base (2) is installed at the bottom of the tower frame (1), and a fixing frame (3) is provided on both the left and right sides of the bottom of the tower base (2), and two inflatable round balls (5) are provided on both the left and right sides of the fixing frame (3), and a plurality of inflatable round balls (5) are provided with connectors (6). A support frame (9) is provided on the left side of the tower frame (1), and a gas box (19) is provided on the left side of the support frame (9), and a vacuum pump (20) is connected to the front side of the gas box (19), and a switch valve (22) is connected to the vacuum pump (20), and a gas pipe (21) is connected to the vacuum pump (20). A frame box (23) is installed on the upper part of the tower frame (1), and the frame box (23) is connected to the tower frame (1). A through slot three (24) is provided on the left side, and frame plates (25) are installed on the upper and lower parts of the right side of the through slot three (24). A mounting wheel one (26) is provided between the two frame plates (25). The mounting wheel one (26) is connected to one side of a connecting belt (29), and the other side of the connecting belt (29) is connected to the mounting wheel two (27). The mounting wheel two (27) is fixedly connected to the output end of the DC motor (30). The DC motor (30) is connected to a controller (35), and the motor (30) is connected to an uncontrolled rectifier power supply device (36). The motor (30), the controller (35) and the uncontrolled rectifier power supply device (36) are all electrically connected to an electromagnetic speed limiting device (37).

2. A high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower according to claim 1, characterized in that: The right side of the support frame (9) is provided with a slide groove (10), and a fixing rod (11) and a threaded rod (12) are provided in the slide groove (10), the top of the threaded rod (12) passes through the support frame (9) and is fixedly connected to the output end of the motor (13), the fixing rod (11) is slidably connected to the left front end of the lower connecting frame (7), the threaded rod (12) is threadedly connected to the left rear end of the lower connecting frame (7), and the lower connecting frame (7) is slidably connected to the tower frame (1), an upper connecting frame (14) is installed on the upper right side of the support frame (9), and a side connecting frame (15) is provided on the right side of the upper connecting frame (14), and the right side of the upper connecting frame (14) and the left side of the side connecting frame (15) are both detachably connected to a plurality of first connecting bolts (16).

3. A high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower according to claim 1, characterized in that: The connecting belt (29) is provided with a sleeve clamp (31), and the first mounting wheel (26) and the second mounting wheel (27) are both divided into two halves, and the two first mounting wheels (26) and the two second mounting wheels (27) are both detachably connected with a plurality of wheel connecting screws (28).

4. A high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower according to claim 1, characterized in that: A plurality of mounting bolts (4) are equidistantly arranged on the two fixing frames (3), and the plurality of mounting bolts (4) are equidistantly mounted on the tower base (2).

5. A high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower according to claim 2, characterized in that: The upper and lower parts of the upper connecting frame (14) and the side connecting frame (15) are both installed with a first set of plates (17), and the two first sets of plates (17) are both provided with a plurality of second connecting bolts (18), and the plurality of second connecting bolts (18) are equidistantly detachable from the tower (1); the upper and lower parts of the frame box (23) are both installed with a second set of plates (38), and the two second sets of plates (38) are both provided with a plurality of third connecting bolts (39) at equal intervals, and the plurality of third connecting bolts (39) are equidistantly detachably connected to the tower (1).

6. A high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower according to claim 1, characterized in that: A second through slot (32) is provided at the left end of the inner front side of the frame box (23).

7. A high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower according to claim 2, characterized in that: The lower connecting frame (7) and the upper connecting frame (14) are both provided with a through slot 1 (8).

8. A high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower according to claim 1, characterized in that: The middle portion of the mounting wheel 1 (26) is fixedly connected to the bottom of the wind turbine generator head (33).

9. A high-load wind power generation device based on a speed limiting buffer mechanism and a combined tower according to claim 1, characterized in that: An inlet (34) is provided on the front side of the tower base (2).

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