KR101177538B1 - Overload prevention for wing device - Google Patents

Overload prevention for wing device Download PDF

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Publication number
KR101177538B1
KR101177538B1 KR20100049037A KR20100049037A KR101177538B1 KR 101177538 B1 KR101177538 B1 KR 101177538B1 KR 20100049037 A KR20100049037 A KR 20100049037A KR 20100049037 A KR20100049037 A KR 20100049037A KR 101177538 B1 KR101177538 B1 KR 101177538B1
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KR
South Korea
Prior art keywords
ring
weight
guide
wind
shaft
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KR20100049037A
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Korean (ko)
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KR20110129578A (en
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서상훈
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주식회사 지앤지엠씨
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Priority to KR20100049037A priority Critical patent/KR101177538B1/en
Publication of KR20110129578A publication Critical patent/KR20110129578A/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

The present invention relates to a wing device for preventing overload, and more particularly, a slit portion is formed in the upper portion and a hollow rotary shaft having an operating weight therein and an upper ring and the rotary shaft installed by a plurality of upper connecting rods on the rotary shaft. A lower end of the lower ring installed by a plurality of lower connecting rods and a connecting shaft connecting the upper ring and the lower ring, and one end of the connecting shaft rotatably installed, and a wind collecting wing having a fastening ring on the upper side thereof; Consists of a wire loop connecting the fastening ring and the working weight, the wind turbine rotates at a constant speed during the breeze and the wind turbine is rotated when the strong wind pressure caused by the typhoon or gust is attenuated, thereby reducing the rotation of the wing device to prevent overload of the generator. .

Description

Overload prevention for wing device}

The present invention relates to a wing device for preventing overload, and more particularly, by rotatably installing a wind blade on the wing device, the wind turbine rotates at a constant speed during a breeze and the wind blade is rotated when a strong wind pressure is generated by a typhoon or a gust. It relates to an overload prevention blade device that prevents the overload of the generator by attenuating.

In general, the wind power generator is rotatably installed on the upper portion of the structure, such that the gearbox for transmitting by increasing the rotational speed of the rotating shaft of the blade rotated by the wind is installed in conjunction with the wing, the speed of the gearbox A generator that converts torque into electrical energy is connected to the gearbox. At this time, the electrical energy generated by the generator is applied to the power storage device or the like to be stored or directly applied to the consumer.

Recently, a windmill has been developed in which a buoyant body provided with a vertical axis is floated on a fluid filled in a tank, so that the blades provided on the vertical axis are rotated in the horizontal direction by wind pressure. As described above, the windmill that floats by the fluid and rotates laterally by the vertical axis further increases the rotational force rotated by the wind pressure by using the inertia of the fluid, that is, water, antifreeze, and palm trees.

However, the conventional vertical wind power generator has a problem in that an overload occurs in the generator due to a strong wind pressure when a typhoon or a gust occurs, causing a breakdown of the device due to overheating and a topic due to over capacity.

The present invention has been made to solve the above problems, the object of the present invention is to install the wind vane to rotate the wing device, when the wind is rotated at constant speed and the strong wind pressure caused by the typhoon or gust wind is rotated wing An object of the present invention is to provide an overload vane device that attenuates rotation of a device to prevent overload of a generator.

The present invention is a wing device installed in the vertical shaft type wind turbine, the slit portion is formed in the upper and the hollow rotary shaft having an operating weight therein and the upper ring and the rotary shaft is installed by a plurality of upper connecting rods on the top of the rotary shaft A lower ring installed by a plurality of lower connection bars at a lower portion of the lower ring and a connecting shaft connecting the upper ring and the lower ring and pivotally installed at the connecting shaft, and a wind-up wing having the fastening ring and the fastening ring and It is characterized by consisting of a wire rope for connecting the operating weight.

In addition, a guide device is further installed inside the rotating shaft to prevent the wire rope from being rubbed with the slit part, and the guide device is installed to be rotated on the fixing ring installed inside the rotating shaft and the upper part of the fixing ring. It is characterized in that consisting of a roller which is installed on the support and the support is rotated and provided with a set of falling prevention protrusions.

In addition, the slit portion is characterized in that the guide roller is further installed to guide the wire rope on both sides.

In addition, the rotating shaft is formed with a set of guide grooves on the inner surface to prevent the operating additional rotation, the operating weight is characterized in that the guide projection is guided to the guide groove.

In addition, the rotating shaft is formed in the opening and closing door, the actuating weight is formed with a fastening groove having a threaded portion on the inner surface at the bottom, to replace the operating weight through the opening and closing door or to fasten another operating weight to the fastening groove It is characterized in that to adjust the weight.

The inventors of the present invention to prevent overload wing device is rotatably installed in the wing device, the wind turbine is rotated at a constant speed during the breeze and when the strong wind pressure caused by typhoons or gusts are rotated to damp the rotation of the wing device to prevent the overload of the generator It is effective.

1 is a perspective view showing a wing device for preventing overload according to the first embodiment of the present invention.
2 is a cross-sectional view showing a wing device for preventing overload according to the first embodiment of the present invention.
3 is an operating state diagram showing the wing device for preventing overload according to the first embodiment of the present invention.
Figure 4 is a cross-sectional view showing another embodiment of the wing device for preventing overload according to the second embodiment of the present invention.
5 is a view showing a guide device in the wing device for preventing overload according to the second embodiment of the present invention.
6 is a view showing a rotation axis in the wings for preventing overload according to the third embodiment of the present invention.
7 is a view showing a wing device for preventing overload according to the fourth embodiment of the present invention.
8 is a view showing a wing device for preventing overload according to the fifth embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the wing device for preventing overload according to the present invention with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions in the present invention, and this may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

In addition, the following examples are not intended to limit the scope of the present invention but merely presented by way of example, and there may be various embodiments implemented through the present invention.

1 is a perspective view showing a wing device for preventing overload according to the first embodiment of the present invention, Figure 2 is a cross-sectional view showing a wing device for preventing overload according to a first embodiment of the present invention, Figure 3 is a first view of the present invention It is an operating state diagram showing the wing device for preventing overload according to the embodiment.

As shown in the drawings, the present invention, the overload wing device (1) (hereinafter referred to as the wing device) is installed in the vertical axis wind power generator to prevent overload by attenuating excessive wind pressure generated by typhoons or gusts, such as The wing device 1 consists of a rotating shaft 2, an upper ring 3, a lower ring 4, a connecting shaft 5, a wind collecting blade 6, and a wire rope 7.

The rotating shaft 2 is formed in a hollow tubular shape, a plurality of slit portions 21 are formed at the upper portion so that the wire rope 6 is guided therethrough, and an operating weight 22 is disposed therein.

At this time, the lower portion of the wing device is provided with a conventional power generation device (not shown) for generating power transmission or power storage by receiving the rotational force of the rotary shaft (2).

The upper ring 3 is welded and fixed by a plurality of upper connecting teeth 31 on the upper portion of the rotating shaft 2, the upper connecting teeth 31 radially around the rotating shaft (2) The upper ring 3 is welded and fixed.

The lower ring 4 is installed on the lower portion of the rotary shaft 2 in the same structure as the upper ring 3, and is welded and fixed by a plurality of lower connecting teeth (41).

At this time, the upper ring (3) and the lower ring (4) is formed with a plurality of stoppers (32, 42) to prevent the wind vane (6) is rotated to the outside of the wing device (1).

The connecting shaft 5 is formed of a metal circular bar and the ends of the upper ring 3 and the lower ring 4 are respectively fixed by welding to connect the upper ring 3 and the lower ring 4 to each other. In addition, the wind collecting blade 6 is used as an axis for rotating. The connecting shaft 5 is installed in the same number as the number of wind vanes 6 to be installed, it is also possible to selectively install more than the number of wind vanes 6 depending on the diameter of the upper and lower rings (3, 4). Do.

The wind blade (6) is formed of a synthetic resin material and is formed in a structure bent to wind the wind, one side is formed with a fastening hole 61 of the structure penetrated to be rotatably coupled to the connecting shaft (5), The fastening hole 61 is installed in a pair of bearings (B) to rotate without friction in the connecting shaft (5).

In addition, a fastening ring 62 is installed on the top of the wind collecting wing 6 so that the wire rope 7 is fastened. The fastening ring 62 is fused or screwed to correspond to the fastening hole 61 on the upper surface of the wind collecting vane 6, or alternatively, may be installed on the side of the wind collecting vane 6.

At this time, the wind collecting wing 6 is formed to be curved in a curved structure as shown in the figure.

The wire rope 7 is made by twisting a plurality of wires, one side is fixed by welding or knotted to the fastening ring 62, the other side is connected to the working weight 22, the upper portion of the working weight 22 There is a connecting ring 221 is provided and the other end of the wire rope 7 is fixed or welded or knotted to the connecting ring 221.

The overload preventing wing device 1 configured as described above is fixed to the wind collecting blade 6 by the weight of the working weight 22 in the wind blowing, thereby rotating the wing device 1 at a constant speed.

At this time, if a strong wind pressure is generated during a typhoon or gust, centrifugal force is generated by the pressure of the wind collecting blade 6 due to the wind pressure and the rapid rotation of the rotating shaft 2, so that the wind collecting blade is moved outwardly about the connecting shaft. In addition to being rotated and the operating weight 22 is moved upwards, since the wing device 1 is deformed into a cylindrical shape and no wind is made, the rotational speed is reduced, and conversely, when the centrifugal force is weakened, the operating weight 22 is lowered by its own weight. By pulling and rotating the end of the wind vane 6 inward while moving to, it can be rotated by the wind again to prevent overload and to adjust the rotation speed.

In addition, by adjusting the weight of the operating weight 22 by selectively changing the weight of the operating weight, it is possible to control the rotation of the wind vane 6 according to the strength of the wind.

At this time, the long shaft portion 21 is formed in the rotary shaft 2, to prevent the wind vane 6 from being caught or rubbed while the wire rope 7 is moved.

Figure 4 is a cross-sectional view showing another embodiment of the anti-overload wing device according to a second embodiment of the present invention, Figure 5 is a view showing a guide device in the anti-overload wing device according to a second embodiment of the present invention. 6 is a view showing a rotating shaft in the wing device for preventing overload according to the third embodiment of the present invention.

Referring to FIG. 4, in the above description, the wire rope 7 fixed to the wind collecting blade 6 is connected to the operating weight 22 through the slit portion 21, but is not limited thereto.

For example, a guide device 8 is installed inside the rotating shaft 2 to prevent the wire rope 7 from being rubbed with the slit portion 21, and the guide device 8 includes the rotating shaft ( It is fixed to the locking step 23 formed on the inner periphery of 2).

The guide device (8) is a support ring which is installed to be rotated on the fixing ring 81 and the fixing ring 81 to be pressed or welded to the locking jaw (23) inside the rotating shaft (2) ( 82 and the support 82 is rotated and consists of a roller 83 provided with a set of falling prevention protrusions 831 to prevent the wire rope (7) from falling out during rotation. Here, the fixing ring 81 is provided with a bearing (b) is rotated after the support 82 is fastened to the bearing (b).

That is, the roller 83 of the guide device 8 is disposed to correspond to the slit portion 21 to guide the wire rope 7 drawn into the slit portion 21 to the roller 83. In addition, as the roller 83 is rotated according to the rotation of the collecting wing 6, the wire rope 7 is prevented from being caught by the slit portion 21 or mutual friction occurs.

At this time, the slit portion 21 is further provided with a guide roller 211 to guide the wire rope 7 on both sides as shown in FIG.

That is, when the wind collecting wing 6 rotates about the connecting shaft 5, the wire rope 7 is guided to the guide roller 211 to prevent the slit portion 21 from being caught or rubbed. Done.

7 is a view showing a wing device for preventing overload according to a fourth embodiment of the present invention, Figure 8 is a view showing a wing device for preventing overload according to a fifth embodiment of the present invention.

Referring to FIG. 7, in the above description, the wind turbine blade 6 and the working weight 22 connected to the wire rope 7 are lifted in the rotary shaft 2 by the rotation of the wind turbine blade 6 according to the wind pressure. And the drawings, but are not limited thereto.

For example, the rotary shaft 2 is formed with a set of guide grooves 23 in the longitudinal direction on the inner surface to prevent the operating weight 22 is rotated, the operating weight 22 is the guide groove ( Guide protrusions 222 guided to 23 are formed.

That is, as the operating weight 22 is guided to the guide groove 23, the operating weight 22 is rotated in the rotary shaft 2 by the rotation of the blade device 1 and the wind vane 6 to friction with the inner surface or The connected wire ropes 7 are prevented from being twisted with each other.

At this time, the rotating shaft 2 is formed with an opening and closing door 24 as shown in Figure 8, the bottom surface of the operating weight 22 is formed with a fastening groove 223 having a screw portion on the inner circumference, The operating weight 22 is exchanged through the door 23 or another operating weight (not shown) is fastened to the fastening groove 223 to adjust the weight.

That is, the opening and closing door 24 is formed on the rotating shaft for checking and maintaining the connection state of the wire rope 7 and the operating weight 22, and a fastening groove 223 is formed on the lower portion of the operating weight 22. And by forming a fastening protrusion screwed to the fastening groove 223 on the upper of the other operating weight by fastening or separating each other through the opening and closing door 24, it is possible to adjust the weight.

At this time, the opening and closing door 24 to install a viewing window (not shown) so as to check the connection state of the wire rope 7 and the operating weight 22 from the outside and the other operating additional installed on the operating weight 22, and the like. It is desirable to.

1 wing device 2 rotation shaft
3: upper ring 4: lower ring
5: connecting shaft 6: wind blowing wing
7: wire rope 8: guide device
21: slit part 211: guide roller
22: working weight 221: connecting ring
222: guide protrusion 223: fastening groove
23: guide home 24: opening and closing door
31: upper connecting rod 32: stopper
41: lower hook 42: stopper
61: fastening hole 62: fastening ring
81: retaining ring 82: support
83: roller 831: falling prevention protrusion
B: bearing

Claims (5)

A vane device installed in a vertical wind turbine, wherein a slit portion is formed at an upper portion thereof, and a hollow rotary shaft having an operating weight therein and an upper ring installed by a plurality of upper connecting rods at an upper portion of the rotary shaft and a lower portion of the rotary shaft. A lower ring installed by a plurality of lower connection bars, and a connecting shaft connecting the upper ring and the lower ring and pivotally installed on the connecting shaft, and a wind collecting blade having a fastening ring on the upper part and the fastening ring and the operating weight In the overload preventing blade consisting of a wire connecting the,
A guide device is further installed inside the rotating shaft to prevent the wire rope from being rubbed with the slit portion.
The guide device is composed of a fixed ring installed inside the rotating shaft and a support installed to be rotated on the upper portion of the fixed ring and a roller installed on the support and provided with a set of falling prevention protrusions,
The slit portion is further provided with a guide roller to guide the wire rope on both sides,
The rotating shaft is formed with a set of guide grooves on the inner side to prevent the operation added to the rotation, and the overload preventing wing device, characterized in that the guide protrusion is guided to the guide groove formed on the operating weight.
delete delete delete The method of claim 1,
The rotating shaft is formed with an opening and closing door, the actuating weight is formed with a fastening groove having a screw portion on the inner periphery at the bottom, to replace the working weight through the opening and closing door or to fasten another operating weight to the fastening groove to the weight Overload vane device, characterized in that to adjust.
KR20100049037A 2010-05-26 2010-05-26 Overload prevention for wing device KR101177538B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20100049037A KR101177538B1 (en) 2010-05-26 2010-05-26 Overload prevention for wing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20100049037A KR101177538B1 (en) 2010-05-26 2010-05-26 Overload prevention for wing device

Publications (2)

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KR20110129578A KR20110129578A (en) 2011-12-02
KR101177538B1 true KR101177538B1 (en) 2012-08-27

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100467061B1 (en) 2002-05-31 2005-01-24 주장식 A wind power generation apparatus
JP2007170234A (en) 2005-12-20 2007-07-05 Yuichi Onishi Variable wing type wind force converting mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100467061B1 (en) 2002-05-31 2005-01-24 주장식 A wind power generation apparatus
JP2007170234A (en) 2005-12-20 2007-07-05 Yuichi Onishi Variable wing type wind force converting mechanism

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KR20110129578A (en) 2011-12-02

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