WO2023026981A1 - Structure de soutien et équipement de génération d'énergie - Google Patents

Structure de soutien et équipement de génération d'énergie Download PDF

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Publication number
WO2023026981A1
WO2023026981A1 PCT/JP2022/031387 JP2022031387W WO2023026981A1 WO 2023026981 A1 WO2023026981 A1 WO 2023026981A1 JP 2022031387 W JP2022031387 W JP 2022031387W WO 2023026981 A1 WO2023026981 A1 WO 2023026981A1
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WO
WIPO (PCT)
Prior art keywords
support
support structure
strut
power generation
support member
Prior art date
Application number
PCT/JP2022/031387
Other languages
English (en)
Japanese (ja)
Inventor
龍介 柄澤
Original Assignee
Ntn株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ntn株式会社 filed Critical Ntn株式会社
Publication of WO2023026981A1 publication Critical patent/WO2023026981A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • 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
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the present disclosure relates to support structures and power generation equipment.
  • a support structure for supporting a wind power generator is known (see, for example, Japanese Patent Laid-Open No. 2005-333744).
  • an anti-vibration receiving stand is stacked on the receiving stand via a supporting anti-vibration member, and the receiving stand and the anti-vibration receiving stand are arranged side by side.
  • An anti-vibration pedestal is disclosed that includes an anti-vibration means straddling the two pedestals.
  • Elastic rubber or the like is exemplified as the supporting vibration-isolating member.
  • the wind power generator is placed on top of a structure in which the support base, anti-vibration support members, and anti-vibration support base are layered.
  • the support base, anti-vibration support members, and anti-vibration support base are layered.
  • the present disclosure has been made to solve the above problems, and aims to provide a support structure and power generation equipment that are easy to maintain.
  • a support structure includes a strut, a support member, and a fixed member.
  • the strut supports the wind power generator.
  • the strut has a side surface extending vertically.
  • the supporting member is arranged so as to face the side surface of the supporting column.
  • An opening is formed in the support member.
  • the fixing member is connected to the side surface of the support and extends into the opening.
  • the fixed member defines the position of the strut relative to the support member.
  • the fixing member includes an elastic portion. The elastic portion contacts the inner wall of the opening.
  • a power generation facility includes a housing, the support structure, and a wind power generator.
  • the support structure is fixed to the housing.
  • the wind power generator is fixed to the housing via a support structure.
  • a power plant according to the present disclosure comprises the above support structure, a strut and a wind power generator.
  • the struts are secured to support members of the support structure.
  • the wind generator is fixed to the struts of the support structure.
  • FIG. 1 is a schematic perspective view of power generation equipment according to Embodiment 1.
  • FIG. 2 is a schematic partial cross-sectional view showing region II of FIG. 1;
  • FIG. 3 is an enlarged schematic cross-sectional view showing region III of FIG. 2;
  • FIG. 6 is a schematic partial cross-sectional view of power generation equipment according to Embodiment 2;
  • FIG. 5 is a schematic partial cross-sectional view showing a modification of the power generation equipment shown in FIG. 4;
  • FIG. 10 is a schematic diagram of a power generation facility according to Embodiment 3; It is a schematic diagram which shows the modification of the power generation equipment shown in FIG.
  • FIG. 1 is a schematic perspective view of power generation equipment according to Embodiment 1.
  • FIG. FIG. 2 is a schematic partial cross-sectional view showing region II in FIG.
  • FIG. 3 is an enlarged schematic cross-sectional view showing region III in FIG.
  • the power generation facility 100 includes a housing 101, a wind power generator 103, a solar battery 104, a support structure 10, a wind power generator 103, a storage battery (not shown), and a control device. and
  • the housing 101 is a solid with a rectangular parallelepiped outer shape.
  • the shape of housing 101 can be any other shape.
  • Enclosure 101 may be, for example, a container for a container house.
  • Housing 101 includes at least sidewalls and a top surface.
  • the side wall is formed with an opening provided with, for example, a door that can be opened and closed. A user can enter and exit the interior of the housing 101 through the opening.
  • a solar cell 104 is installed on the top surface of the housing 101 .
  • Solar cell 104 has a light-receiving surface, which is a main surface.
  • the solar cell 104 is installed so that the light receiving surface is parallel to the surface of the top surface. Note that the solar cell 104 may be installed so that the light receiving surface is inclined with respect to the surface of the top surface portion.
  • a strut 102 is fixed to the side wall of the housing 101 .
  • a wind power generator 103 is installed on the upper end of the column 102 via the support structure 10 . That is, the wind power generator 103 is fixed to the housing 101 via the support structure 10 fixed to the housing 101 . Detailed configurations of the wind power generator 103 and the support structure 10 will be described later.
  • a storage battery (not shown) and a control device (not shown) are arranged inside or outside the housing 101 . Electricity generated by the solar battery 104 and the wind power generator 103 is stored in the storage battery via the control device.
  • the control device extracts electricity from the storage battery and supplies the electricity to electrical equipment installed inside the housing 101 or the like. For example, a lighting device, an air conditioner, and the like as electric devices may be installed inside the housing 101 .
  • a power outlet or the like to which electricity is supplied from the control device may be arranged inside or outside the housing 101 .
  • the wind power generator 103 includes a column portion 1 that is a generator shaft 304, a generator stator 302, a generator rotor 301, a bearing 303, blades, and blade shaft members.
  • Mainly provide The strut part 1 is arranged so as to extend in the vertical direction.
  • a generator stator 302 is fixed to the tip of the strut 1 .
  • Generator stator 302 is, for example, disk-shaped.
  • Generator rotor 301 is arranged to surround generator stator 302 .
  • the generator rotor 301 is rotatably installed with respect to the generator stator 302 and the strut 1 .
  • the generator rotor 301 is connected to the support column 1 via bearings 303 .
  • a blade shaft member is fixed to the upper surface of the generator rotor 301 .
  • the blade shaft member is arranged so as to extend in the horizontal direction. Blades are fixed to both ends of the blade shaft member.
  • the blade receives the wind, and the blade, the blade shaft member, and the generator rotor 301 rotate around the column portion 1 .
  • electricity is generated as the generator rotor 301 rotates relative to the generator stator 302 .
  • the generated electricity is transmitted to the storage battery via the control device as described above.
  • the support structure 10 connects the wind power generator 103 to the strut 102 . Specifically, the support structure 10 is fixed on the upper end wall portion 102 a of the support 102 . A wind generator 103 is arranged on the support structure 10 .
  • the support structure 10 mainly includes a column portion 1, a support member 2, a fixed member 3, and bearings 4.
  • the strut part 1 is a member that also serves as a generator shaft 304 of the wind power generator 103 and supports the wind power generator 103 .
  • the support 1 has a columnar shape.
  • the support 1 has a side surface 1b extending in the vertical direction.
  • the support member 2 is arranged on the outer peripheral side of the support section 1 so as to face the side surface 1b of the support section 1.
  • the shape of the support member 2 is cylindrical.
  • a flange portion 2b extending outward is formed at the lower portion of the support member 2.
  • the bottom surface of the flange portion 2b faces the upper end wall portion 102a of the support portion 1.
  • a through hole 2c is formed in the flange portion 2b.
  • a through hole 102c is also formed in the upper end wall portion 102a.
  • the support member 2 is positioned with respect to the column 102 so that the through hole 2c and the through hole 102c overlap.
  • a fixing bolt 5 is inserted and fixed in the through hole 2c and the through hole 102c.
  • the support member 2 is fixed to the column 102 by the fixing bolts 5 .
  • An opening 2a is formed in the support member 2 at a position facing the side surface 1b of the support 1. As shown in FIG. At least two openings 2a are formed in the support member 2 . The number of openings 2a may be three or more. The plurality of openings 2a may be arranged at equal intervals in the circumferential direction around the central axis of the support 1. As shown in FIG.
  • a fixing hole 1a is formed in the side surface 1b of the supporting member 1 at a position facing the opening 2a of the supporting member 2.
  • the fixing member 3 is inserted and fixed in the fixing hole 1a through the opening 2a. That is, the fixing member 3 is connected to the side surface 1b of the support 1 and extends into the opening 2a.
  • the fixing member 3 includes a body portion 3a, which is a bolt, and an elastic portion 3b arranged on the outer peripheral surface of the body portion 3a.
  • the elastic portion 3b contacts the inner wall of the opening 2a while the fixing member 3 is fixed to the support pillar 1 through the opening 2a.
  • the supporting member 2 supports the column portion 1 via the elastic portion 3b of the fixing member 3.
  • the fixing member 3 defines the position of the support member 1 with respect to the supporting member 2 .
  • a surface 3ba facing the inner wall of the opening 2a in the elastic portion 3b is a curved surface convex toward the inner wall of the opening 2a.
  • the shape of the elastic portion 3b is not limited to the bale shape as described above, and may be any shape such as a cylindrical shape or a spherical shape.
  • an elastically deformable resin material such as synthetic resin or rubber can be used.
  • Bearings 4 are arranged at two locations between the strut portion 1 and the support member 2 .
  • One of the two bearings 4 is arranged at the end of the support member 2 on the wind power generator 103 side.
  • the other of the two bearings 4 is arranged at the end of the support member 2 on the support 102 side.
  • the bearing 4 rotatably supports the strut portion 1 with respect to the support member 2 . That is, the support 1 is rotatable around a central axis extending in the vertical direction (extending direction of the support 1).
  • a support structure 10 comprises a strut 1 , a support member 2 and a fixed member 3 .
  • the strut part 1 supports the wind power generator 103 .
  • the support 1 has a side surface 1b extending in the vertical direction.
  • the support member 2 is arranged so as to face the side surface 1b of the support 1.
  • the support member 2 is formed with an opening 2a.
  • the fixing member 3 is connected to the side surface 1b of the support 1 and extends into the opening 2a.
  • the fixing member 3 defines the position of the support member 1 with respect to the support member 2 .
  • the fixing member 3 includes an elastic portion 3b. The elastic portion 3b contacts the inner wall of the opening 2a.
  • the support member 2 can support the support member 2 via the elastic portion 3 b of the fixing member 3 . Therefore, the vibration generated in the wind power generator 103 can be absorbed by the elastic portion 3b, so that the transmission of the vibration to the support member 2 via the column portion 1 can be suppressed. As a result, it is possible to suppress the vibration generated in the wind power generator 103 from being transmitted to the housing 101 of the power generation equipment, etc., and it is possible to obtain a vibration isolation effect and a noise reduction effect.
  • the fixing member 3 connects the side surface 1b of the support 1 and the supporting member 2 facing the side surface 1b, when performing maintenance such as replacing the fixing member 3 including the elastic portion 3b, the support 3b can be easily replaced. If the position of 1 is fixed, only the fixing member 3 can be easily replaced without disassembling the entire support structure. In other words, maintenance work can be performed more easily than with a configuration in which the column portion 1, the elastic portion, and the support member are stacked in the vertical direction.
  • the surface 3ba facing the inner wall of the opening 2a in the elastic portion 3b may be a curved surface convex toward the inner wall of the opening 2a.
  • the elastic portion 3b and the inner wall of the opening 2a of the support member 2 can be brought into substantial point contact, the apparent spring constant of the elastic portion 3b can be reduced.
  • fine vibration such as cogging in the wind power generator 103 can be reliably absorbed by the elastic portion 3b. Therefore, it is possible to effectively suppress noise caused by the microvibration.
  • the support structure 10 may further include bearings 4 .
  • the bearing 4 may be arranged between the strut portion 1 and the support member 2 .
  • the bearing 4 may rotatably support the strut portion 1 with respect to the support member 2 .
  • FIG. Therefore, it is possible to suppress the occurrence of the problem that the support member 2 is damaged by the impact or the like.
  • a power generation facility 100 includes a housing 101 , the support structure 10 described above, and a wind power generator 103 .
  • the support structure 10 is fixed to the housing 101 .
  • the wind power generator 103 is fixed to the housing 101 via the support structure 10 . In this way, it is possible to suppress transmission of vibrations from the wind power generator 103 to the housing 101, and realize the power generation equipment 100 in which the support structure 10 is easy to maintain.
  • FIG. 4 is a schematic partial cross-sectional view of power generation equipment according to Embodiment 2.
  • FIG. FIG. 4 corresponds to FIG.
  • the power generation equipment shown in FIG. 4 basically has the same configuration as the power generation equipment shown in FIGS. 1 to 3 are different.
  • the gap between the strut 1 and the support member 2 can be made very narrow.
  • FIG. 5 is a schematic partial cross-sectional view showing a modification of the power generation equipment shown in FIG. FIG. 5 corresponds to FIG.
  • the power generation equipment shown in FIG. 5 basically has the same configuration as the power generation equipment shown in FIG. 4, but differs from the power generation equipment shown in FIG. .
  • a lubricating coating layer 7a is formed on a surface portion 2d of the supporting member 2 that faces the side surface 1b of the column portion 1.
  • the lubricating coating layers 7a and 7b any configuration that can improve lubricity can be adopted.
  • fluorine resin or the like can be formed as the lubricating coating layers 7a and 7b.
  • the lubricating coating layer 7b may be formed only on the side surface 1b of the supporting member 1, or the lubricating coating layer 7a may be formed only on the surface portion 2d of the support member 2. That is, the support structure 10 may comprise a lubricious coating layer 7a, 7b formed on the side surface 1b and/or the surface portion 2d. Alternatively, the lubricating coating layer may be formed only on the side surface 1b or part of the surface portion 2d. In this case, the side surface 1b of the supporting member 1 and the surface portion 2d of the supporting member 2 may be in contact with each other.
  • a slide bearing containing a lubricating material or a sintered oil-impregnated bearing may be arranged between the side surface 1b of the support member 1 and the surface portion 2d of the support member 2.
  • the same effects as those of the power generation equipment and the support structure 10 shown in FIG. 4 can be obtained, and by forming the lubricating coating layers 7a and 7b, the anti-vibration effect and the noise reduction effect can be improved. can be done.
  • FIG. 6 is a schematic diagram of power generation equipment 100 according to Embodiment 3.
  • the power generation facility 100 shown in FIG. 6 basically has the same configuration as the power generation facility 100 shown in FIGS. 1 to 3 is different from the power generation equipment 100 shown in FIGS.
  • a support 102 that supports the wind power generator 103 via the support structure 10 is arranged at a position separated from the housing 101 .
  • a plate-like reinforcing member connected to the side surface of the support 102 is installed at the root portion 102b of the support 102.
  • the root portion 102b is fixed to the ground 110.
  • any method can be used to fix the root portion 102b to the ground 110 .
  • a base portion embedded in the ground 110 and made of a member such as concrete may be arranged below the base portion 102b, and the base portion 102b may be fixed to the base portion.
  • connection structure between the support structure 10 and the wind power generator 103 and the connection structure between the support structure 10 and the struts 102 are the same as the connection structure shown in FIG.
  • a wind power generator 103 placed on top of the pillar 102 is electrically connected via a cable 105 to a control unit (not shown) and a storage battery (not shown) placed inside the housing 101 .
  • a solar cell 104 is installed on the top surface of the housing 101 in the same manner as the power generation equipment 100 shown in FIG.
  • the power generation facility 100 shown in FIG. 6 mainly includes the support structure 10, the struts 102, and the wind power generator 103 shown in FIGS.
  • the struts 102 are fixed to the support members 2 (see FIG. 2) of the support structure 10 .
  • the wind power generator 103 is fixed to the strut part 1 (see FIG. 2) of the support structure 10 .
  • the same effect as the power generation equipment 100 using the support structure 10 shown in FIGS. 1 to 3 can be obtained.
  • the strut 102 is not fixed to the housing 101 as shown in FIG. can be placed. Therefore, the power generation efficiency of the wind power generator 103 can be improved.
  • FIG. 7 is a schematic diagram showing a modification of the power generation equipment 100 shown in FIG. FIG. 7 corresponds to FIG.
  • the power generation facility 100 shown in FIG. 7 basically has the same configuration as the power generation facility 100 shown in FIG. 6) and a storage battery (not shown), and that the solar cell 104 shown in FIG. 6 is not provided.
  • the power generation equipment 100 shown in FIG. 7 includes a box 106 installed on the ground 110 and containing a control device and a storage battery, a support 102 fixed to the ground 110, a wind power generator 103 arranged on the support 102, It mainly includes a support structure 10 that connects the column 102 and the wind power generator 103 and has the structure shown in FIGS. 2 and 3 .
  • Wind power generator 103 is electrically connected via cable 105 to a control device and storage battery in box 106 .
  • the support 102 and the wind power generator 103 can be installed at positions suitable for wind power generation due to wind conditions. Therefore, the power generation efficiency of the power generation equipment 100 can be improved.
  • At least one of the control device and the storage battery may be arranged inside the column 102.
  • the support structure 10 having the configuration shown in FIG. 4 or 5 may be used.
  • Strut part 1a Fixing hole 1b Side face 2 Supporting member 2a Opening 2b Flange 2c, 102c Through hole 2d Surface part 3 Fixing member 3a Body part 3b Elastic part 3ba Surface 4 303 bearing, 5 fixing bolt, 7a, 7b lubricating coating layer, 10 support structure, 100 power generation equipment, 101 housing, 102 strut, 102a upper end wall, 103 wind power generator, 104 solar cell, 105 cable, 106 box, 110 ground, 301 generator rotor, 302 generator stator, 304 generator shaft.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Sustainable Development (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

L'invention concerne une structure de soutien et un équipement de génération d'énergie qui sont faciles à entretenir. Cette structure (10) de soutien comporte un étai (1), un élément de soutien (2), et un élément fixe (3). L'étai (1) soutient un générateur (103) à énergie éolienne. L'étai (1) présente une surface latérale (1b) s'étendant verticalement. L'élément de soutien (2) est disposé de façon à faire face à la surface latérale (1b) de l'étai (1). Une partie (2a) d'ouverture est formée dans l'élément de soutien (2). L'élément fixe (3) est lié à la surface latérale (1b) de l'étai (1) et s'étend jusque dans l'intérieur de la partie (2a) d'ouverture. L'élément fixe (3) définit la position de l'étai (1) par rapport à l'élément de soutien (2). L'élément fixe (3) comprend une partie élastique. La partie élastique entre en contact avec la paroi intérieure de la partie (2a) d'ouverture.
PCT/JP2022/031387 2021-08-26 2022-08-19 Structure de soutien et équipement de génération d'énergie WO2023026981A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021137825A JP2023031995A (ja) 2021-08-26 2021-08-26 支持構造および発電設備
JP2021-137825 2021-08-26

Publications (1)

Publication Number Publication Date
WO2023026981A1 true WO2023026981A1 (fr) 2023-03-02

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PCT/JP2022/031387 WO2023026981A1 (fr) 2021-08-26 2022-08-19 Structure de soutien et équipement de génération d'énergie

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5526732A (en) * 1994-05-17 1996-06-18 Nai Anchorlok, Inc. Spring brake actuator and reaction plate anchor
JP2017013730A (ja) * 2015-07-06 2017-01-19 スズキ株式会社 Ａｂｓユニットの取付構造及び自動二輪車
US20180291869A1 (en) * 2017-04-11 2018-10-11 Sauer Energy, Inc. Vertical Axis Wind Turbine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5526732A (en) * 1994-05-17 1996-06-18 Nai Anchorlok, Inc. Spring brake actuator and reaction plate anchor
JP2017013730A (ja) * 2015-07-06 2017-01-19 スズキ株式会社 Ａｂｓユニットの取付構造及び自動二輪車
US20180291869A1 (en) * 2017-04-11 2018-10-11 Sauer Energy, Inc. Vertical Axis Wind Turbine

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