Wind driven generator

Abstract

The utility model provides a wind driven generator which comprises a rotating assembly, a blade assembly and a power generation assembly. The power generation assembly is connected with the rotating assembly, and the blade assembly is detachably connected with the rotating assembly; the wind driven generator further comprises a telescopic connecting rod. The blade assembly is composed of a plurality of blades, and any blade is connected with the rotating assembly through the telescopic connecting rod. The telescopic connecting rod comprises an inner rod, an outer rod and a locking unit, one of the inner rod and the outer rod is connected with the blades, the other of the inner rod and the outer rod is connected with the rotating assembly, the inner rod is arranged in the outer rod in a sliding mode, and the locking unit can lock the inner rod and the outer rod at different relative positions. When not used, the blade assembly can be close to the rotating assembly, the size of the whole machine is reduced, the transportation cost and the storage site requirement are lowered, and in the occasion where power generation is needed, the telescopic connecting rod can unfold the blade assembly to the maximum degree, and the power generation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power generation equipment technical field, concretely relates to a wind driven generator with telescopic connecting rod. BACKGROUND

[0002] Wind power generation as a clean, renewable energy acquisition method, the proportion in the global energy structure is more and more big. Traditional wind driven generator usually has fixed structure size, after manufacturing, the position and size of its blade, support and other components are basically fixed unchangeable.

[0003] During transportation and storage, due to its large volume, it needs to occupy a large amount of space, resulting in a substantial increase in transportation cost, and at the same time, a larger site is also needed for storage. For example, in some remote wind power project construction, due to the long transportation distance and complex road conditions, the large volume of traditional wind driven generator makes transportation very difficult, and even special transportation equipment and transportation scheme need to be used, further increasing the construction cost.

[0004] And in the use process, the power generation efficiency of traditional wind driven generator is limited by its fixed structure size. In different wind environment, the fixed size wind driven generator cannot adjust its structure according to the actual wind size to realize the best power generation effect. For example, in the case of small wind, the fixed size blade cannot fully utilize wind energy, resulting in low power generation efficiency; while in the case of large wind, the wind load borne by the blade size may exceed the design range, which exists safety hazard.

[0005] Although some wind driven generators with foldable or adjustable structure have appeared in the market at present, these designs mostly have problems such as complex structure, low reliability, limited adjustment range, etc. For example, some wind driven generators with foldable blades, the folding mechanism of which is prone to failure, and the volume after folding is still large, which cannot meet the actual transportation and storage needs; while some wind driven generators with adjustable blade angle, the adjustment mode of which is relatively single, and cannot fully adapt to the power generation needs under different wind conditions. SUMMARY

[0006] The utility model aims at providing a wind driven generator, through telescopic connecting rod, realizing the minimization of the volume of wind driven generator when not in use, facilitating packaging, transportation and carrying; when in use, it can be expanded to the greatest extent, improving the power generation efficiency, so as to solve the problems existing in the transportation, storage and use process of the existing wind driven generator.

[0007] The utility model provides a kind of wind driven generator, including rotating component, blade component and power generation component;The power generation component is connected with the rotating component, the blade component is detachably connected with the rotating component;The wind driven generator further includes telescopic connecting rod;The blade component is made of multiple blades, any the blade is connected with the rotating component by the telescopic connecting rod;The telescopic connecting rod includes inner rod, outer rod and locking unit, one of the inner rod and the outer rod is connected with the blade, another is connected with the rotating component, the inner rod is slidably arranged in the outer rod, and the locking unit is used to lock the inner rod and the outer rod in different relative positions.

[0008] In some embodiments, a guide unit is provided between the inner rod and the outer rod, the guide unit includes a guide rail and a sliding block, the guide rail is provided on the inner wall of the inner rod, and the sliding block is provided on the outer wall of the corresponding outer rod, and the sliding block can slide on the guide rail.

[0009] In some embodiments, a guide unit is provided between the inner rod and the outer rod, the guide unit includes a guide rail and a sliding block, the guide rail is provided on the inner wall of the outer rod, and the sliding block is provided on the outer wall of the corresponding inner rod, and the sliding block can slide on the guide rail.

[0010] In some embodiments, the telescopic connecting rod further includes a sliding seal, which is a sealing rubber ring, and the sealing rubber ring is arranged at the connection between the inner rod and the outer rod.

[0011] In some embodiments, the locking unit is a hydraulic locking unit, which includes a hydraulic cylinder, a hydraulic pipeline and a hydraulic control system, and is arranged between the inner rod and the outer rod, and the hydraulic cylinder is connected with the hydraulic control system through the hydraulic pipeline.

[0012] In some embodiments, the inner rod is provided with a first fixing hole, the outer rod is provided with a second fixing hole, and a fixing member is inserted into the first fixing hole and the second fixing hole to lock the inner rod and the outer rod.

[0013] In some embodiments, the inner rod is provided with a limiting stop edge, which is a limiting protrusion.

[0014] In some embodiments, the rotating component is a rotating shaft, the outer edge of the rotating shaft is provided with an annular mounting disc, the annular mounting disc is provided with uniformly distributed mounting holes, and the blade is fixed in the mounting hole through the telescopic connecting rod to realize the connection with the rotating shaft.

[0015] In some embodiments, any of the blades is fixed to the rotating component by the telescopic connecting rod at least at two ends.

[0016] In some embodiments, the telescopic connecting rod is connected with the blade assembly through a fixing member.

[0017] In some embodiments, the blade is made of carbon fiber or composite material or aluminum alloy or glass fiber.

[0018] The wind driven generator provided by the utility model can close the blade assembly to the rotating assembly when not in use, and minimize the volume of the whole machine. Compared with the traditional fixed wind driven generator, the space required for transportation and storage is greatly reduced, and the transportation cost and storage site requirement are reduced. At the same time, in the occasion where power generation is needed, the telescopic connecting rod can maximize the expansion of the blade assembly, and increase the rotating radius of the blade assembly. According to the principle of wind power generation, the increase of the rotating radius of the blade can make the blade capture more wind energy under the same wind condition, thereby improving the power generation efficiency of the wind driven generator. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 The utility model provides a kind of overall structure schematic diagram of wind driven generator;

[0020] Fig. 2 The utility model provides a kind of connecting structure schematic diagram of telescopic connecting rod of wind driven generator;

[0021] Fig. 3 The utility model provides a kind of split structure schematic diagram of telescopic connecting rod of wind driven generator. Mark for explanation: 10, rotating shaft;20, blade;40, power generation assembly;50, fixed sheet;301, outer rod;302, inner rod;303, guide rail;304, sliding block;305, plum-blossom handle screw;306, limit baffle;101, annular mounting disc. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] It should also be understood that, in the description of the present application, it is necessary to explain that the terms "upper", "lower", "inner", "outer", "bottom", "side" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation to be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the present application.

[0024] In addition, the term "connected" (if any) used in the description, claims or above drawings of the present application should be interpreted broadly, for example, "connected" can be fixed connection, can also be detachable connection, or integral connection, or electrical connection, or signal connection, and "connected" can be directly connected, or indirectly connected through intermediate medium. In addition, the term "and / or" (if any) used in the description, claims or above drawings of the present application means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0025] In addition, in the embodiments of the present application, the words such as "exemplarily" or "for example" are used to represent as an example, illustration or description, any embodiment or design scheme described as "exemplarily" or "for example" in the embodiments of the present application should not be interpreted as more preferred or more advantageous than other embodiments or design schemes, and exactly, the words such as "exemplarily" or "for example" are used to present the relevant concept in a specific way. In addition, the term "and / or" (if any) used in the description, claims or above drawings of the present application means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0026] Reference Figs. 1-3The wind power generator provided by the embodiment comprises a rotating shaft 10 as a rotating component, a blade assembly composed of three blades 20 and a power generation assembly 40; the power generation assembly 40 is connected with the rotating shaft 10, and the three blades 20 are detachably connected with the rotating shaft 10, so that the blade assembly can rotate along the axis of the rotating shaft 10 under the action of wind, and the rotating power is transmitted to the power generation assembly 40; the power generation device 40 converts mechanical energy into electric energy output; the blade 20 is connected with the rotating shaft 10 through an extensible connecting rod; in order to make the connection between the blade 20 and the rotating shaft 10 more stable, each blade 20 in the embodiment is connected with the rotating shaft 10 through two extensible connecting rods. The extensible connecting rod comprises an inner rod 301 and an outer rod 302 and a locking unit; the inner rod 301 can slide in the outer rod 302; the locking unit can lock the inner rod 301 and the outer rod 302 in different relative positions, so as to realize the length adjustment of the extensible connecting rod. In order to further improve the stability of the connection, in the embodiment, the inner rod 301 is connected with the blade 20 through a fixing sheet 50, and the outer rod 302 is connected with the rotating shaft 10. In actual use, the outer rod can also be connected with the blade through the fixing sheet, and the inner rod is connected with the rotating shaft. When the wind power generator is not used, the inner rod 302 of each extensible connecting rod is retracted into the outer rod 301 by operating the locking unit. The wind power generator provided by the embodiment can make the blade assembly close to the rotating assembly when not in use, so as to minimize the overall volume. Compared with the traditional fixed wind power generator, the space required for transportation and storage is greatly reduced, and the transportation cost and storage site requirement are reduced. For example, when long-distance transportation of the wind power generator is carried out, the wind power generator can be more conveniently loaded on ordinary transport vehicles, without the need to use special large-scale transport equipment, and at the same time, the space can be more reasonably utilized when stored in the warehouse, so as to improve the storage efficiency of the warehouse. When the wind power generator needs to be used to generate electricity, the locking unit is loosened, the inner rod 302 is pulled out of the outer rod 301, the extensible connecting rod is elongated, the blade assembly is driven away from the rotating assembly, the rotating radius of the blade assembly is increased, and according to the principle of wind power generation, the increase of the rotating radius of the blade can make the blade capture more wind energy under the same wind condition, so as to improve the power generation efficiency of the wind power generator.

[0027] The blade 20 in the embodiment is made of lightweight high-strength material composed of carbon fiber or composite material or aluminum alloy or glass fiber, so as to reduce the overall weight of the blade assembly, while ensuring that the blade has sufficient strength and stability under the action of wind.

[0028] Reference Figs. 1-3In order to ensure the stability, accuracy and reliability of the telescopic process of the connecting rod, reduce the failure probability caused by the shaking of the connecting rod or the entry of impurities, the inner rod 302 and the outer rod 301 in the embodiment are provided with a guide unit. The guide unit includes a guide rail 303 and a sliding block 304. In the embodiment, the guide rail 303 is arranged on the inner wall of the outer rod 301, and the sliding block 304 is arranged on the outer wall of the corresponding inner rod 302. The sliding block 304 can slide on the guide rail 303, ensuring the linearity and stability of the inner rod 302 when sliding in the outer rod 301, and preventing the inner rod from deviating or shaking during the sliding process.

[0029] In some embodiments, the guide rail can be arranged on the outer wall of the inner rod, and the sliding block can be arranged on the inner wall of the corresponding outer rod according to actual use requirements. In some embodiments, the telescopic connecting rod further includes a sliding sealing unit, which can be a sealing rubber ring arranged at the connection between the inner rod and the outer rod, for preventing dust, rainwater and other impurities from entering the inside of the telescopic connecting rod, thereby ensuring the sliding performance and service life of the inner rod and the outer rod.

[0030] Referring to Figs. 1-3 , the inner rod 302 in the embodiment is provided with a first fixing hole, the outer rod 301 is provided with a second fixing hole, and a torx handle screw 305 is inserted into the first fixing hole and the second fixing hole to lock the inner rod 301 and the outer rod 302. In actual use, other fixing members such as bolts, studs, screws or latches can also be used to replace the torx handle screw according to actual conditions. When it is necessary to lock the length of the telescopic connecting rod, the operator inserts the torx handle screw 305 into the corresponding fixing hole by rotating it, and locks the inner rod 302 and the outer rod 301 together; when it is necessary to adjust the length of the telescopic connecting rod, the operator rotates the torx handle screw 305 to pull it out of the fixing hole, and the inner rod 302 and the outer rod 301 can slide freely. In some embodiments, a plurality of fixing holes can be arranged on the inner rod 302 and the outer rod 301 according to actual use requirements, to facilitate more accurate adjustment of the length of the telescopic connecting rod.

[0031] Referring to Figs. 1-3 , in order to further improve the stability of the connection between the blade assembly and the rotating shaft, and to improve the power generation efficiency, the outer edge of the rotating shaft 10 in the embodiment is provided with an annular mounting disc 101, the annular mounting disc 101 is provided with uniformly distributed mounting holes, and the blades 20 are fixed in the mounting holes through the outer rod 302 of the telescopic connecting rod to realize the connection with the rotating shaft 10.

[0032] Referring to Figs. 1-3The inner rod 302 in the embodiment is provided with a limiting baffle 306 at the outer edge, which is a limiting protrusion. The limiting protrusion can prevent overstretching of the inner rod 302, completely separate the inner rod 302 from the outer rod 301, and even cause damage to the inner rod 302, and make the connection of the inner rod 302 and the outer rod 301 more stable. When the wind power generator is not in use, the operator rotates the rotating wrench handle screw 305 of each telescopic connecting rod to unlock the inner rod 302 and the outer rod 301, and then retracts the inner rod 302 into the outer rod 301. Then, according to the needs, the rotating wrench handle screw 305 is inserted into the appropriate fixing hole to lock the telescopic connecting rod at the shortened position, so that the volume of the wind power generator is reduced, and the volume of the whole machine is minimized. When the wind power generator needs to be used to generate electricity, the operator first turns out the rotating wrench handle screw 305, and then manually or through a simple mechanical assembly pulls out the inner rod 302 from the outer rod 301 to the appropriate length. The rotating wrench handle screw 305 is inserted into the appropriate fixing hole to fix the length of the telescopic connecting rod, so that the blade assembly is in the appropriate working position, and then the wind power generator starts to generate electricity under the action of wind.

[0033] In some embodiments, according to the actual use needs, the locking unit of the wind power generator is a hydraulic locking unit. Each telescopic connecting rod is provided with a hydraulic cylinder. The cylinder barrel of the hydraulic cylinder is fixed on the outer rod, and the cylinder barrel piston of the hydraulic cylinder is connected with the inner rod. The hydraulic cylinder is connected with the hydraulic pipeline and the hydraulic control system.

[0034] When the wind power generator is in a non-waiting state for packaging or transportation, the operator starts the hydraulic control system. The hydraulic control system drives the piston of the hydraulic cylinder to retract, the locking between the inner rod and the outer rod is released, and the hydraulic control system drives the inner rod of each telescopic connecting rod to retract into the outer rod. When the inner rod of each telescopic connecting rod is completely retracted into the outer rod, the blade assembly approaches the rotating shaft, and the overall volume of the wind power generator is reduced to about one third of the original, which is convenient for packaging and transportation. When the wind power generator is in an installed state, the operator starts the hydraulic control system. The hydraulic control system drives the piston of the hydraulic cylinder to extend, the locking between the inner rod and the outer rod is released, and the hydraulic control system drives the inner rod of each telescopic connecting rod to push out of the outer rod. When the inner rod of each telescopic connecting rod is pushed out of the outer rod, the blade assembly is away from the rotating shaft, the connecting rod is elongated, the blade assembly is driven away from the rotating assembly, the rotating radius of the blade assembly is increased, and thus the power generation efficiency of the wind power generator is improved. The locking unit adopts hydraulic locking or mechanical locking mode, which is simple to operate and can quickly and accurately lock the telescopic connecting rod at the required length position.

[0035] The above are only optional embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent component transformation made by using the present application specification and drawings contents, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A wind power generator comprising a rotating assembly, a blade assembly and a power generating assembly; the power generating assembly is connected to the rotating assembly, the blade assembly is detachably connected to the rotating assembly; characterized in that, The wind power generator further comprises a telescopic connecting rod; the blade assembly is composed of a plurality of blades, any of the blades is connected with the rotating assembly through the telescopic connecting rod; the telescopic connecting rod comprises an inner rod, an outer rod and a locking unit, one of the inner rod and the outer rod is connected with the blade, and the other is connected with the rotating assembly, the inner rod is slidably arranged in the outer rod, and the locking unit is used for locking the inner rod and the outer rod in different relative positions.

2. A wind power generator according to claim 1, characterised in that A guide unit is arranged between the inner rod and the outer rod, the guide unit comprises a guide rail and a sliding block, the guide rail is arranged on the inner wall of the inner rod, and the sliding block is arranged on the outer wall of the corresponding outer rod and can slide on the guide rail.

3. A wind driven electric power generator as claimed in claim 1, wherein A guide unit is arranged between the inner rod and the outer rod, the guide unit comprises a guide rail and a sliding block, the guide rail is arranged on the inner wall of the inner rod, and the sliding block is arranged on the outer wall of the corresponding outer rod and can slide on the guide rail.

4. A wind driven electric power generator as claimed in claim 1, wherein The telescopic connecting rod further comprises a sliding sealing element, the sliding sealing element is a sealing rubber ring, and the sealing rubber ring is arranged at the connection between the inner rod and the outer rod.

5. A wind driven electric power generator as claimed in claim 1, wherein The locking unit is a hydraulic locking unit, the hydraulic locking unit comprises a hydraulic cylinder, a hydraulic pipeline and a hydraulic control system, is arranged between the inner rod and the outer rod, and the hydraulic cylinder is connected with the hydraulic control system through the hydraulic pipeline.

6. A wind driven electric power generator as claimed in claim 1 wherein, The inner rod is provided with a first fixing hole, the outer rod is provided with a second fixing hole, and a fixing element is inserted into the first fixing hole and the second fixing hole to lock the inner rod and the outer rod.

7. A wind generator according to claim 5 or 6, characterised in that The inner rod is provided with a limiting stop edge, and the limiting stop edge is a limiting protrusion.

8. A wind driven electric power generator as claimed in claim 1 wherein, The rotating assembly is a rotating shaft, an annular mounting disc is arranged at the outer edge of the rotating shaft, a plurality of mounting holes are uniformly arranged on the annular mounting disc, and the blades are fixed in the mounting holes through the telescopic connecting rod to realize the connection with the rotating shaft.

9. A wind driven electric power generator as claimed in claim 1 wherein, Any of the blades is fixed on the rotating assembly through the telescopic connecting rod at least at two ends.

10. A wind driven electric power generator as claimed in claim 1 wherein, The telescopic connecting rod is connected with the blade assembly through a fixing element.

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