Vertical axis wind turbine

Abstract

The invention provides a vertical axis wind driven generator, and relates to the technical field of wind driven generators, the vertical axis wind driven generator comprises a supporting mechanism, a driving mechanism is arranged in the supporting mechanism, the driving mechanism comprises a limiting ring, the limiting ring is movably connected in the bottom surface of the supporting mechanism, and the top surface of the limiting ring is fixedly connected with a rotating rod; the bottom end of the outer surface of the rotating rod is fixedly connected with a transmission wheel, the top end of the outer surface of the rotating rod is fixedly connected with a top plate, the side face of the top plate is fixedly connected with a plurality of mounting blocks, and the side faces of the mounting blocks are movably connected with fan blade devices. The fan blades are adjusted according to actual conditions, the wind resistance of the generator is changed along with actual wind power, and the generating efficiency of the generator is improved.

Description

Technical Field

[0001] The invention relates to the technical field of wind turbines, in particular to a vertical axis wind turbine. Background Art

[0002] A vertical axis wind turbine is a type of wind turbine whose main rotor shaft is perpendicular to the wind direction and whose electromechanical components are located at the bottom of the wind turbine. This design allows the generator and gearbox to be placed close to the ground for easy maintenance and repair. A vertical axis wind turbine does not need to face the wind direction, so there is no need for a mechanism to sense and align the wind direction. Patent publication number CN117803524A discloses a vertical axis wind turbine, including a tower, a hub, a power generation drive assembly, a plurality of rotating blade assemblies, a wind direction positioning assembly and a plurality of transmission assemblies, each of which includes a support arm, a worm gear reducer, a coupling and a main rotating blade. In order to solve the problem that the existing vertical axis wind turbine has two surfaces, the windward surface and the upwind surface, and the upwind surface will consume a large part of the effective power of the generator, the prior art adopts the main rotating blade under the guidance of the wind vane to realize the method of constantly adjusting the angle in the direction facing the incoming wind, but there will be a situation where the adjustment of the fan blade cannot be adjusted according to the actual situation, which leads to the problem that the wind resistance of the device cannot be increased when the wind force is small, and the power generation efficiency cannot be improved. Summary of the invention

[0003] The present invention provides a vertical axis wind turbine, aiming to provide a vertical axis wind turbine to solve the problem that the fan blades cannot be adjusted according to actual conditions, thereby resulting in the inability to increase the wind resistance of the device and improve the power generation efficiency when the wind force is small.

[0004] The present invention provides the following technical solutions to achieve the above objectives: A vertical axis wind turbine comprises a supporting mechanism, wherein a driving mechanism is arranged inside the supporting mechanism, the driving mechanism comprises a limiting ring, the limiting ring is movably connected inside the bottom surface of the supporting mechanism, a rotating rod is fixedly connected to the top surface of the limiting ring, a transmission wheel is fixedly connected to the bottom end of the outer surface of the rotating rod, a top plate is fixedly connected to the top end of the outer surface of the rotating rod, a plurality of mounting blocks are fixedly connected to the side surfaces of the top plate, and a fan blade device is movably connected to the side surfaces of the mounting blocks.

[0005] Furthermore, the number of the mounting blocks is four, and the four mounting blocks are evenly spaced and arranged on the side of the top plate. The top surface of the top plate is fixedly connected to a top rod, and the top surface of the top rod is fixedly connected to a rotation speed detector.

[0006] Furthermore, the supporting mechanism includes a base plate, a limiting ring movably connected in a limiting groove provided inside the bottom surface of the base plate, the top surface of the base plate is fixedly connected to a supporting column, the other end of the top surface of the base plate is fixedly connected to a generator, the side surface of the generator is meshed with a transmission wheel, the rotating rod is rotatably connected to the inside of the supporting column, a reinforcement device is provided in the middle of the outer surface of the supporting column, a speed reduction controller is fixedly connected to the top of the outer surface of the supporting column, a speed reduction telescopic rod is fixedly connected to the top surface of the speed reduction controller, the speed reduction controller is electrically connected to the speed detector, the top surface of the speed reduction telescopic rod is fixedly connected to a speed reduction plate, and the speed reduction plate is movably connected to the bottom surface of the top plate.

[0007] Furthermore, the fan blade device includes a fixing plate, which is movably connected to the side of the mounting block, the side of the fixing plate is tightly attached to the side of the top plate, the side of the fixing plate is internally threaded with a threaded rod, one end of the threaded rod passes through the side of the fixing plate and is threadedly connected to the inside of the top plate, the side of the fixing plate is fixedly connected with a bracket, the side of the bracket is fixedly connected with a main fan blade, the side of the main fan blade is fixedly connected with a hinge, the other end of the hinge is fixedly connected with an auxiliary fan blade, and the side of the auxiliary fan blade is provided with an opening and closing device.

[0008] Furthermore, the opening and closing device includes a fixing buckle, which is fixedly connected to the side of the auxiliary fan blade, the outer surface of the fixing buckle is movably connected to a transmission arm, the inside of the transmission arm is movably connected to a swivel, a sliding rod is provided on the outer surface of the transmission arm, a telescopic rod is fixedly connected to the side of the transmission arm, the side of the telescopic rod is fixedly connected to an outer shell, the outer shell is fixedly connected to the inside of the side of the main fan blade, a sliding groove is provided on the inner bottom surface of the outer shell, the sliding rod provided on the outer surface of the transmission arm is slidably connected to the inside of the sliding groove, and a slope is provided at the other end of the inner part of the outer shell.

[0009] Furthermore, the reinforcement device includes a mounting ring, which is movably connected in a slot set in the middle of the outer surface of the support column, the side of the mounting ring is fixedly connected with a mounting buckle, the side of the mounting buckle is movably connected with a reinforcement rod, and the ground inside of the reinforcement rod is movably connected with a fixed block.

[0010] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a vertical axis wind turbine generator which is driven by wind through a blade device, so that the blade device drives a top plate to rotate, and four blade devices are fixed on the side of the top plate at an angle of ninety degrees, so that the blade device remains stable during rotation and the efficiency of converting wind energy into electrical energy is higher, and a speed detector rotates with the top plate, and when the speed exceeds a predetermined upper limit set by the speed detector, an electrical signal is sent out to slow down the speed of a driving mechanism driven by a supporting mechanism, and a rotating rod rotates inside the supporting mechanism, so that the top plate can transmit the rotational force to the inside of the generator through a transmission wheel, and the cooperation between the limit ring and the top plate prevents the driving mechanism from separating from the supporting mechanism during rotation, thereby improving the adaptability of the device.

[0011] 2. The present invention provides a vertical axis wind turbine, wherein a blade device is fixed to the side surface of a mounting block by cooperation of a fixing plate and a threaded rod, and the side surface of the fixing plate is tightly attached to the side surface of a top plate, so that the blade device will not fall over, and a bracket can fix a main blade, and the main blade is connected to an auxiliary blade by a hinge, and the thrust of wind on the auxiliary blade can be changed by a folding angle between the auxiliary blade and the main blade, and the angle between the auxiliary blade and the main blade can be controlled by an opening and closing device, and the telescopic rod can be controlled to extend and retract a swivel, and when the swivel is extended, it will push a transmission arm movably connected thereto to move forward, and when encountering a slope set inside a shell, one end of the swivel will tilt up, and the other end will slide inside a slide groove due to a sliding rod, and its position will only move along a straight line, and the position of the fixing buckle will change due to the change in the position of the transmission arm, pushing the auxiliary blade fixedly connected thereto to open and close, and when the telescopic rod is fully retracted, the transmission arm will retract into the shell, so that the main blade and the auxiliary blade are tightly fitted, thereby improving the adaptability of the device.

[0012] 3. The present invention provides a vertical axis wind turbine generator, which fixes the bottom plate to the ground so that the whole device is fixed to the ground. When the transmission wheel rotates, the generator meshed with it will be driven to generate electric energy. The support column can be used to protect the rotating rod and allow the rotating rod to rotate. When the rotation speed is too fast, the electrical signal emitted by the rotation speed detector will cause the speed reduction controller to control the extension and retraction of the speed reduction telescopic rod, driving the speed reduction plate to be tightly attached to the bottom surface of the top plate, and reducing the rotation speed through friction to prevent the device from being damaged by overspeed. It is connected to the ground through a fixed block and fixed to the middle of the outer surface of the support column through a mounting ring, so that when the device tilts, it will be supported by the reinforcement rod, thereby improving the strength of the device and the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings described below only relate to some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor.

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a structural schematic diagram of the driving mechanism of the present invention; Figure 3 It is a schematic structural diagram of the fan blade device of the present invention; Figure 4 It is a structural schematic diagram of the opening and closing device of the present invention; Figure 5 It is a structural schematic diagram of the support mechanism of the present invention; Figure 6 It is a schematic structural diagram of the reinforcement device of the present invention.

[0015] 1-support mechanism; 11-bottom plate; 12-generator; 13-support column; 14-reinforcement device; 141-mounting ring; 142-mounting buckle; 143-reinforcement rod; 144-fixing block; 15-speed reduction controller; 16-speed reduction telescopic rod; 17-speed reduction plate; 2-driving mechanism; 21-limiting ring; 22-rotating rod; 23-transmission wheel; 24-top plate; 25-speed detector; 26-mounting block; 27-blade device; 271-fixing plate; 272-bracket; 273-main blade; 274-hinge; 275-auxiliary blade; 276-threaded rod; 277-opening and closing device; 2771-housing; 2772-slide groove; 2773-transmission arm; 2774-rotating ring; 2775-telescopic rod; 2776-fixing buckle; 28-top rod. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0017] It should be noted that in the present invention: the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or apparatuses; the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like are based on the directions or positional relationships shown in the drawings. These The terms are mainly used to better describe the present invention and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation; the terms "first", "second", etc. are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence; the terms "install", "set", "provided with", "connected", "connected", "sleeved", etc. should be understood in a broad sense; for example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be an internal connection between two devices, elements or components. In addition, some terms can be used to express other meanings in addition to indicating orientation or positional relationships. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present invention can be understood according to specific circumstances.

[0018] Example 1. Figure 1-6 As shown, the present invention provides a vertical axis wind turbine, including a supporting mechanism 1, wherein a driving mechanism 2 is arranged inside the supporting mechanism 1, and the driving mechanism 2 includes a limiting ring 21, and the limiting ring 21 is movably connected to the bottom surface of the supporting mechanism 1, and a rotating rod 22 is fixedly connected to the top surface of the limiting ring 21, and a transmission wheel 23 is fixedly connected to the bottom end of the outer surface of the rotating rod 22, and a top plate 24 is fixedly connected to the top end of the outer surface of the rotating rod 22, and a mounting block 26 is fixedly connected to the side of the top plate 24. There are four mounting blocks 26, and four mounting blocks 26 are neatly arranged and fixed on the side of the top plate 24, and a fan blade device 27 is movably connected to the side of the mounting block 26, and a top plate 24 is fixedly connected to the top surface of the top plate 24, and a rotation speed detector 25 is fixedly connected to the top surface of the top plate 24.

[0019] The fan blade device 27 is pushed by the wind, so that the fan blade device 27 drives the top plate 24 to rotate. The four fan blade devices 27 are fixed on the side of the top plate 24 at an angle of ninety degrees, so that the fan blade device 27 remains stable during rotation and the efficiency of converting wind energy into electrical energy is higher. The speed detector 25 will rotate with the top plate 24. When the speed exceeds the predetermined upper limit set by the speed detector 25, an electrical signal will be sent to slow down the speed of the driving mechanism 2 driven by the support mechanism 1. The rotating rod 22 rotates inside the support mechanism 1, so that the top plate 24 can transmit the rotational force to the inside of the generator 12 through the transmission wheel 23. The cooperation between the limit ring 21 and the top plate 24 prevents the driving mechanism 2 from separating from the support mechanism 1 during rotation.

[0020] Example 2. Figure 1-6 As shown, on the basis of Example 1, the present invention provides a technical solution: preferably, the fan blade device 27 includes a fixed plate 271, the fixed plate 271 is movably connected to the side of the mounting block 26, the side of the fixed plate 271 is tightly attached to the side of the top plate 24, the side of the fixed plate 271 is internally threadedly connected with a threaded rod 276, one end of the threaded rod 276 passes through the side of the fixed plate 271 and is threadedly connected to the inside of the top plate 24, the side of the fixed plate 271 is fixedly connected with a bracket 272, the side of the bracket 272 is fixedly connected with a main fan blade 273, the side of the main fan blade 273 is fixedly connected with a hinge 274, the other end of the hinge 274 is fixedly connected with an auxiliary fan blade 275, and the side of the auxiliary fan blade 275 is provided with an opening and closing device 277.

[0021] The fan blade device 27 is fixed to the side of the mounting block 26 by the cooperation of the fixing plate 271 and the threaded rod 276, and the side of the fixing plate 271 is tightly attached to the side of the top plate 24, so that the fan blade device 27 will not fall over. The bracket 272 can fix the main fan blade 273, and the main fan blade 273 is connected to the auxiliary fan blade 275 by the hinge 274. The thrust of the wind on it can be changed by the folding angle between the auxiliary fan blade 275 and the main fan blade 273, and the angle between the auxiliary fan blade 275 and the main fan blade 273 can be controlled by the opening and closing device 277.

[0022] Example 3. Figure 1-6As shown, on the basis of Example 1, the present invention provides a technical solution: preferably, the opening and closing device 277 includes a fixing buckle 2776, the fixing buckle 2776 is fixedly connected to the side of the auxiliary fan blade 275, the outer surface of the fixing buckle 2776 is movably connected with a transmission arm 2773, the inside of the transmission arm 2773 is movably connected with a swivel 2774, the outer surface of the transmission arm 2773 is provided with a sliding rod, the side of the transmission arm 2773 is fixedly connected with a telescopic rod 2775, the side of the telescopic rod 2775 is fixedly connected with a shell 2771, the shell 2771 is fixedly connected to the inside of the side of the main fan blade 273, the inner bottom surface of the shell 2771 is provided with a slide groove 2772, the slide rod provided on the outer surface of the transmission arm 2773 is slidably connected to the inside of the slide groove 2772, and the other end of the shell 2771 is provided with a slope.

[0023] By controlling the telescopic rod 2775, the swivel 2774 can be extended and retracted. When the swivel 2774 is extended, it will push the transmission arm 2773 movably connected to it to move forward. When encountering the slope set inside the shell 2771, one end will be tilted up, and the other end will only move in a straight line due to the sliding rod set inside the slide groove 2772. The position of the fixing buckle 2776 changes due to the change in the position of the transmission arm 2773, pushing the auxiliary fan blade 275 fixedly connected to it to open and close. When the telescopic rod 2775 is fully retracted, the transmission arm 2773 will retract into the inside of the shell 2771, so that the main fan blade 273 and the auxiliary fan blade 275 are tightly fitted.

[0024] Example 4. Figure 1-6 As shown, on the basis of Example 1, the present invention provides a technical solution: preferably, the support mechanism 1 includes a bottom plate 11, a limiting ring 21 is movably connected to a limiting groove arranged inside the bottom surface of the bottom plate 11, a support column 13 is fixedly connected to the top surface of the bottom plate 11, a generator 12 is fixedly connected to the other end of the top surface of the bottom plate 11, the side of the generator 12 is meshed with a transmission wheel 23, a rotating rod 22 is rotatably connected to the inside of the support column 13, a reinforcement device 14 is arranged in the middle of the outer surface of the support column 13, and a speed reduction controller 15 is fixedly connected to the top of the outer surface of the support column 13. The top surface of the controller 15 is fixedly connected to a speed reduction telescopic rod 16, the speed reduction controller 15 is electrically connected to the speed detector 25, the top surface of the speed reduction telescopic rod 16 is fixedly connected to a speed reduction plate 17, the speed reduction plate 17 is movably connected to the bottom surface of the top plate 24, the reinforcement device 14 includes a mounting ring 141, the mounting ring 141 is movably connected to a slot set in the middle of the outer surface of the support column 13, the side of the mounting ring 141 is fixedly connected to a mounting buckle 142, the side of the mounting buckle 142 is movably connected to a reinforcement rod 143, and the ground of the reinforcement rod 143 is movably connected to a fixed block 144.

[0025] By fixing the bottom plate 11 to the ground, the entire device is fixed to the ground. When the transmission wheel 23 rotates, the generator 12 meshing therewith will be driven to generate electrical energy. The support column 13 can be used to protect the rotating rod 22 and allow the rotating rod 22 to rotate. When the rotation speed is too fast, the electrical signal emitted by the rotation speed detector 25 will cause the speed reduction controller 15 to control the extension and retraction of the speed reduction telescopic rod 16, driving the speed reduction plate 17 to be tightly attached to the bottom surface of the top plate 24, and the rotation speed is reduced by friction to prevent the device from being damaged by overspeed. It is connected to the ground through a fixing block 144 and fixed to the middle of the outer surface of the support column 13 through a mounting ring 141, so that when the device tilts, it will be supported by the reinforcement rod 143, thereby improving the strength of the device.

[0026] The working principle of this vertical axis wind turbine: Figure 1-6 As shown, by inserting the rotating rod 22 into the interior of the support column 13 and making the limiting ring 21 movably connected to the bottom surface of the bottom plate 11, the transmission wheel 23 will engage with the generator 12, the bottom plate 11 and the fixing block 144 are fixed to the ground, and the mounting ring 141 is fixed to the middle of the outer surface of the support column 13 so that the support mechanism 1 can be fixed, and the rotating ring 2774 is extended and retracted by controlling the telescopic rod 2775, driving the transmission arm 2773 to open and close the auxiliary fan blade 275 to a suitable angle, and the fan blade device 27 is Driven by wind, the fan blade device 27 drives the top plate 24 and the rotating rod 22 to rotate, so that the top plate 24 can transmit the rotating force to the inside of the generator 12 through the transmission wheel 23 to generate electrical energy. The speed detector 25 will rotate with the top plate 24. When the speed exceeds the predetermined upper limit set by the speed detector 25, an electrical signal will be sent out to make the speed reduction controller 15 control the speed reduction telescopic rod 16 to extend and retract, driving the speed reduction plate 17 to be close to the bottom surface of the top plate 24, and reducing the speed through friction to prevent the device from being damaged by overspeed.

[0027] Obviously, the above is only a part of the embodiments of the present invention, not all of the embodiments. The above embodiments are not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and variations. Any combination, modification, equivalent replacement, improvement and all other embodiments that can be made by those of ordinary skill in the art within the spirit and principle of the present invention should be within the protection scope of the present invention.

Claims

1. A vertical axis wind turbine, characterized in that: The invention comprises a support mechanism (1), wherein a driving mechanism (2) is arranged inside the support mechanism (1), wherein the driving mechanism (2) comprises a limiting ring (21), wherein the limiting ring (21) is movably connected to the inside of the bottom surface of the support mechanism (1), wherein the top surface of the limiting ring (21) is fixedly connected to a rotating rod (22), wherein the bottom end of the outer surface of the rotating rod (22) is fixedly connected to a transmission wheel (23), wherein the top end of the outer surface of the rotating rod (22) is fixedly connected to a top plate (24), wherein a side surface of the top plate (24) is fixedly connected to a plurality of mounting blocks (26), and a side surface of the mounting block (26) is movably connected to a fan blade device (27).

2. The vertical axis wind turbine according to claim 1, characterized in that: The number of the mounting blocks (26) is four, and the four mounting blocks (26) are evenly spaced and arranged on the side of the top plate (24). The top surface of the top plate (24) is fixedly connected to a top rod (28), and the top surface of the top rod (28) is fixedly connected to a rotation speed detector (25).

3. The vertical axis wind turbine according to claim 1, characterized in that: The support mechanism (1) comprises a bottom plate (11), a limiting ring (21) movably connected in a limiting groove provided inside the bottom surface of the bottom plate (11), a support column (13) fixedly connected to the top surface of the bottom plate (11), a generator (12) fixedly connected to the other end of the top surface of the bottom plate (11), a side surface of the generator (12) meshing with a transmission wheel (23), a rotating rod (22) rotatably connected to the inside of the support column (13), a reinforcement device (14) provided at the middle of the outer surface of the support column (13), a speed reduction controller (15) fixedly connected to the top of the outer surface of the support column (13), a speed reduction telescopic rod (16) fixedly connected to the top surface of the speed reduction controller (15), the speed reduction controller (15) being electrically connected to a rotation speed detector (25), a speed reduction plate (17) fixedly connected to the top surface of the speed reduction telescopic rod (16), and the speed reduction plate (17) movably connected to the bottom surface of the top plate (24).

4. The vertical axis wind turbine according to claim 1, characterized in that: The fan blade device (27) comprises a fixing plate (271), the fixing plate (271) being movably connected to a side surface of a mounting block (26), the side surface of the fixing plate (271) being closely attached to a side surface of a top plate (24), a threaded rod (276) being internally threadedly connected to the side surface of the fixing plate (271), one end of the threaded rod (276) passing through the side surface of the fixing plate (271) and being threadedly connected to the inside of the top plate (24), a bracket (272) being fixedly connected to the side surface of the fixing plate (271), a main fan blade (273) being fixedly connected to the side surface of the bracket (272), a hinge (274) being fixedly connected to the side surface of the main fan blade (273), the other end of the hinge (274) being fixedly connected to a secondary fan blade (275), and an opening and closing device (277) being arranged on the side surface of the secondary fan blade (275).

5. The vertical axis wind turbine according to claim 1, characterized in that: The opening and closing device (277) comprises a fixing buckle (2776), the fixing buckle (2776) is fixedly connected to the side of the auxiliary fan blade (275), the outer surface of the fixing buckle (2776) is movably connected to a transmission arm (2773), the inside of the transmission arm (2773) is movably connected to a swivel (2774), the outer surface of the transmission arm (2773) is provided with a sliding rod, the side of the transmission arm (2773) is fixedly connected to a telescopic rod (2775), the side of the telescopic rod (2775) is fixedly connected to a shell (2771), the shell (2771) is fixedly connected to the inside of the side of the main fan blade (273), the inner bottom surface of the shell (2771) is provided with a sliding groove (2772), the sliding rod provided on the outer surface of the transmission arm (2773) is slidably connected to the inside of the sliding groove (2772), and the other end of the inside of the shell (2771) is provided with a slope.

6. The vertical axis wind turbine according to claim 1, characterized in that: The reinforcement device (14) comprises a mounting ring (141), the mounting ring (141) being movably connected to a slot provided in the middle of the outer surface of the support column (13), a mounting buckle (142) being fixedly connected to the side of the mounting ring (141), a reinforcement rod (143) being movably connected to the inside of the side of the mounting buckle (142), and a fixing block (144) being movably connected to the inside of the ground of the reinforcement rod (143).

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