Wind driven generator with sail structure

Abstract

The utility model belongs to the technical field of wind power generation equipment, and provides a wind power generator with a sail structure, which comprises a tower drum, a rotating cabin, a sail big arm, a mast and a sail, the rotating cabin is arranged at the top of the tower drum and is rotationally connected with the tower drum; the number of the sail large arms is m, the m sail large arms are evenly arranged around the rotating center line of the rotating cabin, the first ends of the sail large arms are fixedly connected with the rotating cabin, and the second ends of the sail large arms extend in the direction away from the rotating center line of the rotating cabin. The masts are in one-to-one correspondence with the sail big arms, the number of the masts is equal to that of the sail big arms, the first ends of the masts are fixedly connected with the second ends of the sail big arms, and the second ends extend in the longitudinal direction; the sails correspond to the masts one to one, the number of the sails is equal to that of the masts, and the sails are arranged on the masts. The sail-shaped wind driven generator is simple in structure, reasonable in design, large in generated power and low in manufacturing, transportation and installation cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of wind power generation equipment, in particular to a sail configuration wind turbine. BACKGROUND

[0002] At present, the mainstream wind turbine usually adopts horizontal axis blade type wind turbine, in order to improve the power generation capacity, the length of the blade is usually increased, however, when the length of the blade reaches about 130 meters, the bottleneck of the blade manufacturing technology is reached. Because the blade is long, transportation and installation are very difficult, and the manufacturing, transportation and installation costs are also very high. SUMMARY

[0003] In view of the defects in the prior art, the purpose of the present application is to provide a sail configuration wind turbine to improve the power generation capacity and reduce the cost.

[0004] In order to achieve the above purpose, the present application provides a sail configuration wind turbine, comprising: a tower drum; a rotating cabin provided at the top of the tower drum and rotationally connected with the tower drum; m sail large arms, the m sail large arms are uniformly arranged around the rotation center line of the rotating cabin, the first end of the sail large arm is fixedly connected with the rotating cabin, and the second end extends away from the rotation center line of the rotating cabin; a mast corresponding to the sail large arm, the first end of the mast is fixedly connected with the second end of the sail large arm, and the second end extends along the longitudinal direction; and a sail corresponding to the mast, the sail is arranged on the mast.

[0005] Further, the first end of the sail is connected with the mast, and the second end can reciprocate linearly along the length direction of the mast; further comprising a sail lifting assembly corresponding to the sail, the sail lifting assembly is used for driving the second end of the sail to reciprocate linearly.

[0006] Further, the sail lifting assembly comprises: a sail lifting drum provided on the mast and rotationally connected with the mast; a sail lifting traction cable, the first end of the sail lifting traction cable is connected with the second end of the sail, and the second end of the sail lifting traction cable extends to the inside of the mast after passing through a guide wheel set provided on the mast and is connected with the sail lifting drum; and a sail lifting motor fixedly provided on the mast, the sail lifting motor is used for driving the sail lifting drum to rotate.

[0007] Further, the sail can reciprocate rotationally within a preset angle a range around the axial line of the mast, further comprising a sail deflection assembly corresponding to the sail, the sail deflection assembly is used for changing the deflection angle of the sail.

[0008] Further, the sail deflection assembly comprises a sail deflection drum rotatably arranged on the mast adjacent to the sail to be adjusted in deflection angle; a sail deflection motor arranged on the mast for driving the sail deflection drum to rotate; and a sail deflection traction cable having a first end wound on the sail deflection drum and fixedly connected with the sail deflection drum and a second end fixedly connected with one side of the sail to be adjusted in deflection angle.

[0009] Further, the sail comprises a sail body; a plurality of first support rods arranged on the sail body in longitudinal direction and extending in transverse direction, having opposite first ends and second ends; a second support rod arranged on the sail body above the plurality of first support rods and extending in transverse direction or oblique direction; and a plurality of guide rings, one arranged on each of the first support rods and the second support rod, respectively, and sleeved on the mast, the distance between the guide ring and the first end of the first support rod being greater than the distance between the guide ring and the second end of the first support rod.

[0010] The sail deflection assembly comprises a plurality of deflection rods arranged corresponding to the first support rods and extending in transverse direction, one end of each deflection rod being hingedly connected with the first support rod and the hinged point being located between the mast and the first end of the first support rod, the length of the deflection rod being greater than the distance between the hinged point and the first end of the first support rod; a plurality of first traction cables arranged corresponding to the deflection rods and having one end connected with the other end of the deflection rod; and a winding and unwinding mechanism arranged on the adjacent mast for winding up or releasing the other end of the first traction cable.

[0011] Further, the sail deflection assembly further comprises a plurality of second traction cables arranged corresponding to the deflection rods, one end of each second traction cable being connected with the other end of the deflection rod and the other end being connected with the first support rod or the second support rod located above the deflection rod.

[0012] Further, the other ends of the plurality of first traction cables are connected together.

[0013] Further, the winding and unwinding mechanism comprises a telescopic rod arranged on the mast.

[0014] Further, the number m of the sail arms is one of 3, 4, 6 or 8.

[0015] Advantages of the present application:

[0016] 1. The sail-structured wind turbine provided by the present application has simple structure and reasonable design, and the tower drum, the rotating cabin, the sail arms, the mast and the sail are easy to manufacture, transport and install, so that the manufacturing, transportation and installation costs are low.

[0017] 2. The sail-configuration wind turbine provided by this invention, by installing a deflection rod, ensures a large maximum deflection angle without requiring real-time control of the length of the first traction cable. That is, once the maximum deflection angle is determined, the length of the first traction cable does not need to be adjusted during each rotation, thus reducing production and maintenance costs. Furthermore, even if the deployment and retraction mechanism in the sail deflection device malfunctions, it only affects the adjustment of the maximum deflection angle of the sail, without affecting the operation of the wind turbine generator set, thus improving reliability. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0019] Figure 1 This is a perspective structural view of a sail-configured wind turbine generator provided in an embodiment of the present invention;

[0020] Figure 2 for Figure 1 An enlarged view of point A shown;

[0021] Figure 3 for Figure 1 The enlarged view at point B is shown below;

[0022] Figure 4 for Figure 1 The partial sectional view at point A shown;

[0023] Figures 5-8 This is a schematic diagram illustrating the working principle of a sail-configured wind turbine generator under multiple operating conditions, according to an embodiment of the present invention.

[0024] Figure 9 A perspective view of a sail-configured wind turbine generator provided in another embodiment of the present invention;

[0025] Figure 10 for Figure 9 Enlarged view of part C in Figure 10 In the middle, Figure 9 Some of the structures in the text have been hidden;

[0026] Figure 11 for Figure 9 Enlarged view of some of the structures;

[0027] Figure 12 This is a schematic diagram illustrating the working principle of a sail-configured wind turbine generator in one operating state, as provided in an embodiment of the present invention.

[0028] Figure 13 Another embodiment of the present application provides a working principle diagram of a sail configuration wind turbine in a working state;

[0029] Figure 14 For Figure 12 a working principle diagram of the sail configuration wind turbine in the maximum deflection angle of 100°;

[0030] Reference signs:

[0031] 10, tower; 11, rotating cabin; 12, sail boom; 13, mast;

[0032] 14, sail; 141, sail surface; 142, main frame of sail; 143, lifting frame of sail; 144, auxiliary frame of sail;

[0033] 21, lifting traction cable of sail; 22, first guide wheel; 23, second guide wheel; 24, mounting frame; 25, third guide wheel;

[0034] 31, main traction cable; 32, auxiliary traction cable;

[0035] 331, sail body; 332, first support rod; 333, second support rod; 334, guide ring; 34, deflection device of sail; 341, deflection rod; 342, first traction cable; 343, second traction cable; 3441, telescopic rod;

[0036] 41, wind sensor; 42, wind direction sensor; 43, lightning attracting device; 44, discharge brush. DETAILED DESCRIPTION

[0037] The embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0038] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be the usual meanings understood by the skilled in the art to which the present application belongs.

[0039] In the description of the application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the application.

[0040] In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the application, the meaning of "a plurality of" is more than two, unless otherwise explicitly specified and limited.

[0041] In this application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0042] In this application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be the first feature directly above or obliquely above the second feature, or it can only mean that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be the first feature directly below or obliquely below the second feature, or it can only mean that the horizontal height of the first feature is less than that of the second feature.

[0043] As Figures 1-4 , 9-11, the embodiment provides a sail configuration wind turbine, which comprises a tower 10, a rotating cabin 11, a sail arm 12, a mast 13 and a sail 14.

[0044] The tower drum 10 has a speed increaser cabin, a generator cabin provided with a generator, and a transformer cabin provided with a transformer. The speed increaser cabin is provided with a speed increasing device, which is preferably a gear speed increasing device. The generator cabin is provided with a generator, and the power input end of the generator is in transmission connection with the power output end of the speed increasing device. The transformer cabin is provided with a transformer, and the transformer is in electrical connection with the generator.

[0045] The rotating cabin 11 is arranged at the top of the tower drum 10 and is in rotational connection with the tower drum 10. The power output end of the rotating cabin 11 is in transmission connection with the power input end of the gear speed increasing device. The wind sail arms 12 are provided in m numbers, where m is a positive integer greater than or equal to 3. The m wind sail arms 12 are uniformly arranged around the rotational center line of the rotating cabin 11. The first end of the wind sail arm 12 is fixedly connected with the rotating cabin 11, and the second end extends away from the rotational center line of the rotating cabin 11. The masts 13 correspond to the wind sail arms 12 one by one. Therefore, the number of the masts 13 is equal to the number of the wind sail arms 12. The first end of the mast 13 is fixedly connected with the second end of the wind sail arm 12, and the second end of the mast 13 freely extends in the longitudinal direction. In this embodiment, the second end of the mast 13 freely extends upward in the longitudinal direction. Preferably, the mast 13 comprises a plurality of rod bodies fixedly connected in sequence, so as to facilitate installation and transportation.

[0046] The wind sails 14 correspond to the masts 13 one by one. Therefore, the number of the wind sails 14 is equal to the number of the masts 13. The wind sail 14 is arranged on the mast 13, and the wind sail 14 is used to convert wind power into the power for rotating the rotating cabin 11. Specifically, the wind sail 14 can be a hard sail or a soft sail, which will not be described in detail here.

[0047] In this embodiment, the wind sail 14 is a soft sail, and the wind sail 14 comprises a sail surface 141 made of canvas or high polymer material and a wind sail framework. Specifically, the wind sail framework comprises a wind sail main framework 142, a wind sail lifting framework 143, and a plurality of wind sail auxiliary frameworks 144. The wind sail main framework 142 is in rotational connection with the mast 13, i.e., the wind sail main framework 142 can only rotate around the axis of the mast 13, and cannot move along the length direction of the mast 13. Figure 1As shown, the main frame 142 of the sail can be located at the lowermost position. The auxiliary frame 144 and the lifting frame 143 of the sail are movably connected to the mast 13, i.e. the auxiliary frame 144 and the lifting frame 143 of the sail can rotate around the axis of the mast 13 and move along the length direction of the mast 13. As shown, the lifting frame 143 of the sail is located at the top end of the sail, and the auxiliary frame 144 is provided in plurality and located between the main frame 142 of the sail and the lifting frame 143 of the sail. In this embodiment, the main frame 142 of the sail is rotatably connected to the first end (i.e. the lower end) of the mast 13, i.e. the main frame 142 of the sail can only rotate around the axis of the mast 13 and cannot move along the length direction of the mast 13, and the lifting frame 143 and the auxiliary frame 144 of the sail are movably connected to the mast 13, i.e. the lifting frame 143 and the auxiliary frame 144 of the sail can rotate around the axis of the mast 13 and move along the length direction of the mast 13. Specifically, the cross section of the sail is in the shape of a plane, a circular arc airfoil or a U-shaped arc airfoil.

[0048] In use, the wind acts on the sail 14, thereby driving the rotating cabin 11 to rotate, and the rotating cabin 11 drives the generator to rotate after being speeded up by the speed increasing device, so as to achieve the purpose of generating electricity.

[0049] The sail configuration wind power generator has simple structure and reasonable design, and the tower 10, the rotating cabin 11, the sail boom 12, the mast 13 and the sail are easy to manufacture, transport and install, so the cost is low.

[0050] In one embodiment, the wind power generator further comprises a sail lifting assembly corresponding to each sail 14, and the first end of the sail 14 is connected to the mast 13 and the second end thereof can reciprocate linearly along the length direction of the mast 13 between the first working position and the second working position. In this embodiment, the first end (i.e. the lower end) of the sail 14 is connected to the first end (i.e. the lower end) of the mast 13, and specifically, the main frame 142 of the sail is rotatably connected to the first end (i.e. the lower end) of the mast 13, and the lifting frame 143 of the sail is connected to the sail lifting assembly.

[0051] The sail lifting assembly is arranged on the mast 13, and the power output end of the sail lifting assembly is connected to the second end (i.e. the upper end) of the sail 14, i.e. the power output end of the sail lifting assembly is connected to the lifting frame 143 of the sail. The sail lifting assembly is used to drive the second end (i.e. the upper end) of the sail 14 to reciprocate linearly between the first working position and the second working position, specifically, to lift and lower.

[0052] By arranging the sail lifting assembly, the size of the windward surface of the sail 14 can be changed by lifting and lowering the sail to adjust the power generation, and in addition, the sail can be folded in the typhoon and other severe weather to prevent the sail from being damaged.

[0053] In one embodiment, the sail lifting assembly comprises a sail lifting drum, a sail lifting traction cable 21 and a sail lifting motor.

[0054] The sail lifting drum (not shown in the drawings) is arranged on the mast 13 and rotatably connected with the mast 13, and the mast 13 is a hollow tubular structure. The first end of the sail lifting traction cable 21 is fixedly connected with the second end (i.e. the upper end) of the sail 14, and the second end extends to the inside of the mast 13 after passing through the guide pulley set arranged on the mast 13 and is connected with the sail lifting drum. The sail lifting drum can be installed inside the mast 13 or on the outer wall of the mast 13. In this embodiment, the guide pulley set is arranged at the second end (i.e. the upper end) of the mast 13, and the guide pulley set comprises a first guide pulley 22 and a second guide pulley 23. The second end (i.e. the upper end) of the mast 13 is provided with a mounting bracket 24, the first end of the mounting bracket 24 is rotatably connected with the mast 13, the mounting bracket 24 can rotate around the axis of the mast 13, the second end of the mounting bracket 24 extends away from the axis of the mast 13 in the radial direction of the mast 13, and the first guide pulley 22 is arranged at the second end of the mounting bracket 24. The second guide pulley 23 is arranged inside the mast 13 and rotatably connected with the mast 13.

[0055] Preferably, the second end of the sail 14 is provided with a third guide pulley 25. Specifically, the third guide pulley 25 is arranged on the sail lifting framework 143 and rotatably connected with the sail lifting framework 143. The first end of the sail lifting traction cable 21 is fixedly connected with the mounting bracket 24 after passing through the third guide pulley 25, so that the third guide pulley 25 serves as a movable pulley and can achieve the purpose of saving labor.

[0056] The sail lifting motor (not shown in the drawings) is fixedly arranged on the mast 13, the power output shaft of the sail lifting motor is drivingly connected with the power input shaft of the sail lifting drum, and the sail lifting motor can be installed inside the mast 13 or on the outer wall of the mast 13. The sail lifting motor is used to drive the sail lifting drum to rotate to achieve the purpose of winding the sail lifting traction cable 21, thereby achieving the purpose of driving the second end of the sail to lift.

[0057] Specifically, each sail 14 is eccentrically installed and hung on the mast 13 through the sail main framework 142, the sail lifting framework 143, the sail auxiliary framework 144 and the like, and the sail is hung on the mast 13, which can realize the lifting of the sail and the deflection of the sail 14.

[0058] The first end of the sail lifting traction cable 21 is fixedly connected with the second end of the sail, and the second end of the sail lifting traction cable 21 is wound on the sail lifting drum after passing through the pulley set arranged at the second end of the mast 13 and is fixedly connected with the sail lifting drum.

[0059] In use, the wind sail lifting assembly is driven by the wind sail lifting motor to drive the wind sail lifting drum to wind or release the wind sail lifting cable 21, so as to drive the second end of the wind sail to lift, and further to fold the wind sail or change the size of the windward surface of the wind sail.

[0060] The wind sail lifting assembly has simple structure, reasonable design and convenient operation.

[0061] In one embodiment, the wind sail 14 is provided with a wind sail deflection assembly corresponding to the wind sail 14, and the wind sail 14 is rotatably connected to the mast 13. Specifically, the main skeleton 142 of the wind sail 14 is rotatably connected to the mast 13, i.e., the main skeleton 142 of the wind sail 14 can only rotate around the axis of the mast 13, but cannot move along the length direction of the mast 13. The lifting skeleton 143 and the auxiliary skeleton 144 of the wind sail 14 are movably connected to the mast 13, i.e., the lifting skeleton 143 and the auxiliary skeleton 144 of the wind sail 14 can rotate around the axis of the mast 13 and can move along the length direction of the mast 13. The wind sail 14 can reciprocate within a preset angle α around the axis of the mast 13, wherein α≤90°, and preferably α=90°. The wind sail deflection assembly is used to change the deflection angle of the wind sail 14.

[0062] In use, the wind sail deflection assembly can adjust the direction of the windward surface of the wind sail according to the direction of the wind, so as to adjust the power generation. Meanwhile, the wind sail deflection assembly can also adjust the deflection angle of the wind sail during rotation, so that the wind forces acting on the wind sails located on the two sides of the rotating cabin 11 are maximally different, for example, the windward surface of the wind sail located on the first side of the rotating cabin 11 is always perpendicular to the wind direction, and the windward surface of the wind sail located on the second side of the rotating cabin 11 is always parallel to the wind direction, so as to further adjust the power generation by using the wind force.

[0063] In one embodiment, the wind sail 14 is eccentrically arranged on the mast 13, i.e., the wind sail is narrower on one side of the mast 13 and wider on the other side, so that the wind forces acting on the two sides of the wind sail are different, and further to facilitate the adjustment of the deflection angle of the wind sail 14. Preferably, the eccentric position of the wind sail is within one third of the wind sail, i.e., the ratio of the distance between one end of the wind sail and the mast 13 to the width of the wind sail in the transverse wind direction (i.e., the width direction of the wind sail) is less than or equal to one third.

[0064] The wind sail deflection assembly comprises a wind sail deflection drum, a wind sail deflection motor and a wind sail deflection cable.

[0065] The sail deflection drum (not shown in the attached diagram) is rotatably mounted on the target mast 13 (i.e., the mast 13 on which the sail deflection drum is installed), specifically on the mast 13 adjacent to the target sail (i.e., the sail whose deflection angle the sail deflection assembly is to adjust). This target mast 13 is adjacent to the target sail and is located on the side of the mast 13 with the greater distance from the target sail compared to the side with the greater distance from the target sail.

[0066] A sail deflector motor (not shown in the attached diagram) is mounted on the target mast 13. The power output shaft of the sail deflector motor is connected to the power input shaft of the sail deflector drum. The sail deflector motor drives the sail deflector drum to rotate, thereby achieving the purpose of winding or releasing the sail deflector traction cable. The first end of the sail deflector traction cable is wound onto the sail deflector drum and fixedly connected to it. The second end is fixedly connected to the side of the mast 13 with the larger distance between it and the target sail. In other words, the second end of the sail deflector traction cable is fixedly connected to the side of the mast 13 with the larger distance between it and the sail whose deflection angle is to be adjusted. Furthermore, since the sail deflector is mounted on the mast 13, one end of the sail is farther from the corresponding mast 13, and the other end is farther from the corresponding mast 13. The second end of the sail deflector traction cable is then fixedly connected to the end with the larger distance.

[0067] In use, the sail deflection motor drives the sail deflection drum to wind up or release the sail deflection traction cable, thereby increasing or decreasing the length of the sail deflection traction cable. This, in turn, drives the sail to rotate, thereby adjusting the sail's deflection angle and ultimately the direction of the sail's windward side.

[0068] The sail deflection assembly of this structure is simple in structure, reasonable in design, and easy to operate.

[0069] The working principle of this embodiment:

[0070] like Figures 5-8 As shown, where, Figure 5 In the initial position, the windward sides of sails III and IV are downwind (meaning the wind force on the sails is minimal), while the windward sides of sails I and II are perpendicular to the wind direction (meaning the wind force on the sails is maximum). Simultaneously, the sail deflection assembly is taut via the main traction cable 31 and the auxiliary traction cable 32. Under the influence of the wind, the wind force on sails I and II is greater than that on sails III and IV, thus achieving the purpose of driving the rotating cabin 11 to rotate via the sails, and ultimately converting wind power into the power to drive the rotating cabin 11 to rotate.

[0071] When it rotates to Figure 6When the rotating cabin 11 rotates to the position shown in FIG. 2, the windward faces of the sails I and IV located at the first side of the rotating cabin 11 are subjected to greater wind force than the windward faces of the sails II and III located at the second side of the rotating cabin 11, so as to achieve the purpose of driving the rotating cabin 11 to rotate by the sails and further achieve the purpose of converting wind force into power for driving the rotating cabin 11 to rotate.

[0072] When the rotating cabin 11 rotates to the position shown in FIG. 3, the windward faces of the sails I, II and III are subjected to wind from the tail, and the windward face of the sail IV is perpendicular to the wind direction, the sail IV located at the first side of the rotating cabin 11 is subjected to greater wind force than the sails I, II and III located at the second side of the rotating cabin 11, so as to achieve the purpose of driving the rotating cabin 11 to rotate by the sails and further achieve the purpose of converting wind force into power for driving the rotating cabin 11 to rotate. Figure 7 When the rotating cabin 11 rotates to the position shown in FIG. 4, the windward face of the sail I is subjected to wind from the tail again. Meanwhile, the sail I located at the first side of the rotating cabin 11 is subjected to greater wind force than the sails III and IV located at the second side of the rotating cabin 11, so as to achieve the purpose of driving the rotating cabin 11 to rotate by the sails and further achieve the purpose of converting wind force into power for driving the rotating cabin 11 to rotate.

[0073] Figure 8 When the rotating cabin 11 rotates to the position shown in FIG. 4, the windward face of the sail I is subjected to wind from the tail again. Meanwhile, the sail I located at the first side of the rotating cabin 11 is subjected to greater wind force than the sails III and IV located at the second side of the rotating cabin 11, so as to achieve the purpose of driving the rotating cabin 11 to rotate by the sails and further achieve the purpose of converting wind force into power for driving the rotating cabin 11 to rotate.

[0074] The sail type wind power generator has the effective wind force acting range of the sails in circumferential rotation exceeding 180°. By eccentrically arranging the sails and arranging the sail deflection assembly for controlling the deflection angle of the sails, the wind power generator can utilize wind from any direction to drive the generator to generate power. The sail type wind power generator can freely swing with wind from any direction without generating special resistance, and can be large-sized, low-noise and high-efficiency, and has good commercial economy.

[0075] In one embodiment, the sail deflection traction rope includes a main traction rope 31 and a plurality of auxiliary traction ropes 32. The first end of the main traction rope 31 is connected with the sail deflection winding drum, and the second end is freely extended. The number of the auxiliary traction ropes 32 is n, where n≥2, the first ends of the n auxiliary traction ropes 32 are sequentially and spacedly arranged along the length direction of the target sail and fixedly connected with the side of the corresponding mast 13 which is farther away from the target sail, and the second ends are fixedly connected with the main traction rope 31. By arranging the auxiliary traction ropes 32, the stability of adjusting the deflection angle of the sails is improved. Preferably, the number of the auxiliary traction ropes 32 is equal to the number of the sail skeletons of the sails, and each auxiliary traction rope corresponds to one sail skeleton. In this embodiment, n=6.

[0076] ​In one embodiment, a wind force sensor 41 and a wind direction sensor 42 are further included. The wind force sensor 41 is arranged on the rotating cabin 11 and is used to detect the wind force. The wind direction sensor 42 is arranged on the rotating cabin 11 and is used to detect the wind direction. In use, the wind force and the wind direction are detected by the wind force sensor 41 and the wind direction sensor 42, so as to adjust the lifting height and the deflection angle of the sail by the computer controlling the lifting assembly and the deflection assembly of the sail, so as to control the wind area of the sail, and thus control the rotating speed and the output power of the wind power generator.

[0077] In one embodiment, a lightning attracting device 43 and a discharge brush 44 are further included. The lightning attracting device 43 is arranged on the higher end of the mast 13. The discharge brush 44 is arranged on the lower end of the mast 13. By arranging the lightning attracting device 43 and the discharge brush 44, the purpose of attracting lightning and discharging is achieved, and the purpose of avoiding damage to the sail by lightning is achieved.

[0078] In one embodiment, as Figures 9-11As shown, the sail 14 comprises a sail body 331, a first support rod 332, a second support rod 333 and a guide ring 334. The material of the sail body 331 can be nylon, polyester, carbon fiber, aramid fiber and the like high polymer fiber material. The sail body 331 can be made of a whole piece of fabric or spliced by multiple pieces of fabric. The shape of the sail body 331 can be regular or irregular. The regular shape can be rectangular, and the irregular shape can be evolved from the rectangular shape, such as changing one side of the rectangular shape into multiple sides. The first support rod 332 is provided with multiple first support rods 332 which are fixedly arranged on the sail body 331 in the longitudinal direction and extend in the transverse direction. The first support rod 332 has opposite first and second ends. The length of the first support rod 332 is the same as the width of the sail body 331. Therefore, if the shape of the sail body 331 is irregular, the lengths of the multiple first support rods 332 can be different due to different installation heights. If the shape of the sail body 331 is regular, the lengths of the multiple first support rods 332 are the same. The second support rod 333 is also fixedly arranged on the sail body 331. The second support rod 333 is located above the multiple first support rods 332, i.e. the second support rod 333 is arranged at the top of the sail body 331. The second support rod 333 extends in the transverse direction or at an angle. The extension direction of the second support rod 333 is different according to the shape of the top of the sail body 331. The guide ring 334 is provided with multiple guide rings 334, one of which is arranged on each first support rod 332 and second support rod 333. The multiple guide rings 334 are arranged on the mast 13 in the longitudinal direction. The distance between the guide ring 334 and the first end of the first support rod 332 is greater than the distance between the guide ring 334 and the second end of the first support rod 332. Therefore, the sail body 331 is eccentrically arranged relative to the mast 13, which facilitates the rotation of the sail body 331 around the mast 13 within a certain range under the blowing of the wind. The second support rod 333 also has opposite first and second ends. The distance between the guide ring 334 and the first end of the second support rod 333 can be greater than, equal to or less than the distance between the guide ring 334 and the second end of the second support rod 333, which is determined according to the shape of the top of the sail body 331. The guide ring 334 guides the rotation of the sail body 331 around the mast 13, and also guides the lifting and lowering movement of the sail body 331 along the height direction of the mast 13.

[0079] The sail deflection assembly 34 includes deflection rods 341, first traction cables 342, and a take-up and retraction mechanism. Each deflection rod 341 corresponds to one of the first support rods 332, therefore, there are multiple deflection rods 341. Each deflection rod 341 extends laterally and is hinged at one end to the first support rod 332, thus allowing it to swing in the horizontal plane. The hinge point between the deflection rod 341 and the first support rod 332 is located between the mast 13 and the first end of the first support rod 332. The length of the deflection rod 341 is greater than the distance between the hinge point and the first end of the first support rod 332; therefore, when the deflection rod 341 rotates to a position parallel or approximately parallel to the first support rod 332, the other end of the deflection rod 341 is located outside the first end of the first support rod 332, and also outside the sail hull 331. Each first traction cable 342 corresponds to one of the deflection rods 341, therefore, there are multiple first traction cables 342. One end of the first traction cable 342 is connected to the other end of the deflection rod 341, and the other end is retracted or released by a retraction mechanism located at the upper end of the mast 13. It should be noted that the retraction mechanism is located on an adjacent mast 13, specifically on the mast 13 of another adjacent sail assembly, so that the retraction mechanism can function to retract or release the first traction cable 342.

[0080] Figure 12 This diagram illustrates the working principle of a sail-configuration wind turbine provided in one of the foregoing embodiments under one operating condition. Figure 12 The vessel has three sails, each pulled by a tow rope at one end. Figure 12 In the diagram, tow cables a, b, and c have the same length. Sail a is coplanar with the boom, and its deflection angle is 0°. Sail b is in a downwind position with a deflection angle of 30°, and sail c has a deflection angle of 60°. Therefore... Figure 12 The maximum deflection angle of the medium-sail is 60°.

[0081] Figure 13 This embodiment shows a schematic diagram illustrating the working principle of a sail-configuration wind turbine generator in one operating state. Figure 13 In this configuration, the lengths of tow ropes a, b, and c are kept consistent, and the maximum deflection angle of the sail is 100°.

[0082] Figure 14 It shows Figure 12 The diagram illustrates the working principle of a sail-configured wind turbine with a maximum deflection angle of 100°. Figure 14 In this scenario, when the deflection angle of sail c is 100°, the length of traction cable c is greater than the lengths of traction cables a and b. Therefore, the length of the traction cables needs to be controlled in real-time during each revolution of the sail, which increases costs.

[0083] The sail deflection assembly 34 of the sail configuration wind turbine provided by the embodiment has the deflection rod 341 installed, which ensures that the maximum deflection angle is large and the length of the first traction cable 342 does not need to be controlled in real time. That is, after the maximum deflection angle is determined, the length of the first traction cable 342 does not need to be adjusted during each rotation, thus reducing the production and maintenance costs. In addition, even if the winding and unwinding mechanism in the sail deflection assembly 34 fails to work, at most, the adjustment of the maximum deflection angle of the sail is affected, but the operation of the sail configuration wind turbine is not affected, thus improving the reliability.

[0084] In one embodiment, as shown in Figure 11 The sail deflection assembly 34 further includes a plurality of second traction cables 343, which are arranged one-to-one with the deflection rod 341. The second traction cables 343 are arranged obliquely, one end of each second traction cable 343 is connected to the other end of the deflection rod 341, and the other end is connected to the first support rod 332 or the second support rod 333 above the deflection rod 341. Since the winding and unwinding mechanism is suitable to be installed below the sail, and is used to wind or release the first traction cable 342, the first traction cable 342 generates a downward pulling force on the deflection rod 341. By arranging the second traction cable 343, an upward pulling force can be generated on the deflection rod 341, so as to offset the downward pulling force of the first traction cable 342 on the deflection rod 341, so that the deflection rod 341 remains to swing in the horizontal plane, avoiding the situation that the deflection rod 341 has a downward bending trend only under the pulling of the first traction cable 342.

[0085] In one embodiment, as shown in Figure 11 The other end of each first traction cable 342 is connected together, such as the first traction cable 342 above the lowermost first traction cable 342 is connected to the lowermost first traction cable 342, and then the winding and unwinding mechanism directly winds or releases the lowermost first traction cable 342, so as to facilitate the winding and unwinding mechanism to wind or release a plurality of first traction cables 342 at the same time.

[0086] In one embodiment, as shown in Figure 11 The winding and unwinding mechanism includes a telescopic rod 3441 arranged on the mast 13. The telescopic rod 3441 can be electric, pneumatic or hydraulic. The telescopic rod 3441 can be fixed on the mast 13, or can be installed on the mast 13 and swing within a certain range. The telescopic rod 3441 can actively extend and retract in the transverse direction, so as to change the position of the other end of the first traction cable 342, and thus control the maximum deflection angle of the sail. The embodiment provides an implementable implementation of the winding and unwinding mechanism.

[0087] In one embodiment, the number m of sail booms 12 is one of 3, 4, 6 or 8, i.e. m = 3, 4, 6 or 8, i.e. the number of sails 14, sail booms 12 and masts 13 is 3, 4, 6 or 8. Preferably, the number of sails 14, sail booms 12 and masts 13 is 3 or 4, both for economic and practical reasons.

[0088] In the description of the application, numerous specific details are set forth. However, it is understood that embodiments of the application can be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been described in detail in order not to obscure the understanding of this description.

[0089] It should be noted that the above-mentioned embodiments are merely used to illustrate the technical solutions of the present application, rather than limiting the present application; although the present application has been described in detail with reference to the above-mentioned embodiments, those skilled in the art should understand that the technical solutions recorded in the above-mentioned embodiments can be modified or equivalent replacements can be made to some or all of the technical features; and the modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application, and should be covered in the scope of the claims and the description of the present application.

Claims

1. A windmill configuration wind power generator characterized by, Comprise: A tower drum (10); A rotating cabin (11) arranged at the top of the tower drum (10) and rotationally connected with the tower drum (10); M wind sail arms (12) arranged uniformly around the rotation center line of the rotating cabin (11), the first end of the wind sail arm (12) is fixedly connected with the rotating cabin (11), and the second end extends away from the rotation center line of the rotating cabin (11); A mast (13) corresponding to the wind sail arm (12), the first end of the mast (13) is fixedly connected with the second end of the wind sail arm (12), and the second end extends longitudinally; and A sail (14) corresponding to the mast (13) is arranged on the mast (13).

2. The wind sail configuration wind turbine according to claim 1, wherein the first end of the sail (14) is connected with the mast (13), and the second end can reciprocate linearly along the length direction of the mast (13); further comprising a sail lifting assembly corresponding to the sail (14), the sail lifting assembly is used to drive the second end of the sail (14) to reciprocate linearly.

3. The wind sail configuration wind turbine according to claim 2, wherein the sail lifting assembly comprises: A sail lifting drum arranged on the mast (13) and rotationally connected with the mast (13); A sail lifting traction cable (21), the first end of the sail lifting traction cable (21) is connected with the second end of the sail (14), the second end of the sail lifting traction cable (21) extends to the inside of the mast (13) after passing through a guide wheel set arranged on the mast (13), and the second end of the sail lifting traction cable (21) is connected with the sail lifting drum; and A sail lifting motor fixedly arranged on the mast (13), the sail lifting motor is used to drive the sail lifting drum to rotate.

4. The wind sail configuration wind turbine according to claim 1, wherein the sail (14) can reciprocate within a preset angle α around the axis of the mast (13), further comprising a sail deflection assembly corresponding to the sail (14), the sail deflection assembly is used to change the deflection angle of the sail.

5. The wind sail configuration wind turbine according to claim 4, wherein the sail deflection assembly comprises: A sail deflection drum rotationally arranged on the mast (13) adjacent to the sail (14) whose deflection angle is to be adjusted; A sail deflection motor arranged on the mast (13), the sail deflection motor is used to drive the sail deflection drum to rotate; A sail deflection traction cable, the first end of the sail deflection traction cable is wound on the sail deflection drum and fixedly connected with the sail deflection drum, and the second end of the sail deflection traction cable is fixedly connected with one side of the sail (14) whose deflection angle is to be adjusted.

6. The wind sail configuration wind turbine according to claim 4, wherein the sail (14) comprises: A sail body (331); M first support rods (332) arranged on the sail body (331) in longitudinal direction and extending in transverse direction, the first support rod (332) has opposite first end and second end; ​ ​ ​ ​ ​ a second support rod (333) disposed on the sail body (331) and above the plurality of first support rods (332) and extending in a transverse or oblique direction; and a plurality of guide rings (334), one disposed on each of the first support rods (332) and the second support rod (333) and sleeved on the mast (13), the distance between the guide ring (334) and the first end of the first support rod (332) being greater than the distance between the guide ring (334) and the second end of the first support rod (332); the sail deflection assembly comprises: a plurality of deflection rods (341) disposed in one-to-one correspondence with the first support rods (332) and extending in a transverse direction, one end of each deflection rod (341) being hingedly connected to the first support rod (332) with the hinge point located between the mast (13) and the first end of the first support rod (332), the length of the deflection rod (341) being greater than the distance between the hinge point and the first end of the first support rod (332); a plurality of first traction ropes (342) disposed in one-to-one correspondence with the deflection rods (341), one end of each first traction rope (342) being connected to the other end of the corresponding deflection rod (341); and a winding and unwinding mechanism disposed on an adjacent mast (13) and used for winding up or releasing the other end of the first traction rope (342).

7. The wind-sail configured wind turbine according to claim 6, wherein the sail deflection assembly further comprises a plurality of second traction ropes (343) disposed in one-to-one correspondence with the deflection rods (341), one end of each second traction rope (343) being connected to the other end of the corresponding deflection rod (341) and the other end of each second traction rope (343) being connected to the first support rod (332) or the second support rod (333) located above the corresponding deflection rod (341).

8. The wind-sail configured wind turbine according to claim 6, wherein the other ends of the plurality of first traction ropes (342) are connected together.

9. The wind-sail configured wind turbine according to claim 6, wherein the winding and unwinding mechanism comprises an extension rod (3441) disposed on the mast (13).

10. The wind-sail configured wind turbine according to any one of claims 1-9, wherein the number m of the sail arms (12) is one of 3, 4, 6 or 8.

Images