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WO2020100181A1 - Générateur d'énergie solaire - Google Patents

Générateur d'énergie solaire Download PDF

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Publication number
WO2020100181A1
WO2020100181A1 PCT/JP2018/041792 JP2018041792W WO2020100181A1 WO 2020100181 A1 WO2020100181 A1 WO 2020100181A1 JP 2018041792 W JP2018041792 W JP 2018041792W WO 2020100181 A1 WO2020100181 A1 WO 2020100181A1
Authority
WO
WIPO (PCT)
Prior art keywords
leg
wire
shaped support
power generation
generation device
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2018/041792
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English (en)
Japanese (ja)
Inventor
生田　一誠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kazu Co ltd
Original Assignee
Kazu Co ltd
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 Kazu Co ltd filed Critical Kazu Co ltd
Priority to PCT/JP2018/041792 priority Critical patent/WO2020100181A1/fr
Priority to JP2020556469A priority patent/JPWO2020100181A1/ja
Publication of WO2020100181A1 publication Critical patent/WO2020100181A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • 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
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the present invention relates to a solar power generation device.
  • FIG. 15 is an explanatory diagram schematically showing the solar power generation device described in Patent Document 1 (hereinafter referred to as “power generation device”).
  • power generation device the solar power generation device described in Patent Document 1 (hereinafter referred to as “power generation device”).
  • power generators X1, X2, and X3 having the same structure are provided side by side with a predetermined interval in the left-right direction.
  • the power generation device X1 on the right side of the drawing serves as a reference.
  • This power generation device X1 is swingable via a fixed base 8, a fixed shaft 3, a rotary cylinder 2 fitted to the fixed shaft 3, a support 17 fixed to the upper end of the rotary cylinder, and a shaft on the support. It has a solar panel 1 and the like that is pivotally supported.
  • a plurality of driven sprockets 4 are fixedly provided on the outer peripheral surface of the rotary cylinder 2.
  • the driven sprocket 4 is divided into a first driven sprocket 4a and a second driven sprocket 4b.
  • a control box 16 and a drive motor 7 whose drive timing, rotation speed, rotation direction, rotation amount, etc. are controlled by the control box 16 are installed on the upper surface of the fixed base 8.
  • the drive motor 7 is in the vertical state, and the drive sprocket 5 is provided on its output shaft.
  • a drive chain 6 is hung on the drive sprocket 5 and the first driven sprocket 4a. Therefore, the rotary cylinder 2 can be rotated in the forward and reverse directions by the driving force of the drive motor 7.
  • the power generation device X2 in the center of the drawing and the power generation device X3 on the left side of the drawing are provided with the first driven sprocket 4a and the second driven sprocket 4b, respectively, on the outer peripheral surfaces of the rotary cylinders 2, 2, 2.
  • the connecting chain 15a is hung on the second driven sprocket 4b above the power generator X1 and the second driven sprocket 4b above the power generator X2.
  • a connecting chain 15b is hung on the first driven sprocket 4a below the power generator X2 and the first driven sprocket 4a below the power generator X3.
  • the drive chain 6 on the drive motor 7 side, the connecting chain 15a between the power generating device X1 and the power generating device X2, and the connecting chain 15b between the power generating device X2 and the power generating device X3 are independent of each other.
  • each solar panel 1 also rotates in the same direction.
  • Reference numeral 14 is a semi-arcuate arm fixed to the back surface of the solar panel 1, and reference numeral 13 is a locking means for fixing the semi-arcuate arm (the reference numeral is that of Patent Document 1).
  • the solar power generation device of Patent Document 1 has unitized a plurality of power generation devices that can rotate each solar panel 1 of the plurality of power generation devices X1, X2, and X3 at the same time by one drive source, Although it has the advantage of being able to increase the amount of power generation, it has the following drawbacks.
  • the synchronizing means for synchronously rotating the rotary cylinders 2, 2, 2 are the drive sprocket 5, the drive chain 6, the driven sprocket 4, and the connecting chains 15a, 15b which are independent of each other, the number of parts is increased. .. Therefore, the power generator cannot be manufactured at low cost.
  • B In the case of a strong wind or a sandstorm, sand, dust, etc.
  • Patent Document 2 describes a specific configuration of an electric actuator in which an operating rod expands and contracts.
  • Patent Document 1 Japanese Patent Laid-Open No. 2014-86430
  • Patent Document 2 Japanese Patent Laid-Open No. 9-100888
  • the main problem of the present invention is that the power generation device can be manufactured at a very low cost, and the power generation device can be easily assembled in the field in a short time.
  • a specific problem is that the synchronizing means can be easily wound around the rotating shafts of the plurality of leg-shaped supporting portions, that the winding portion does not slip when the synchronizing means is wound around the rotating shaft, and the synchronizing means should be synchronized as much as possible. For example, to prevent sand from adhering to the means.
  • a secondary problem of the present invention is that the tension of the synchronizing means can be easily adjusted when the synchronizing means is wound around the rotary shafts of the plurality of leg-shaped supporting portions so as to rotate. Moreover, it is to prevent each leg-shaped support part from shaking or falling due to a strong wind.
  • the solar power generation device includes a base portion having a predetermined shape that is installed on a flat surface, a plurality of leg-shaped support portions that are fixed to the upper surface of the base portion at predetermined intervals, and these leg-shaped support portions.
  • a solar panel provided in a tilted state on the upper end of each rotating shaft, and a wire-like synchronizing means wound around the outer peripheral surface of each rotating shaft one or more times in an endless manner as a whole,
  • One drive means provided on the base portion and having a projecting tip portion connected to a part of the wire-like synchronizing means via a fixing means; and one drive means provided on the base portion, and the drive means
  • a control unit for controlling the expansion and contraction of the operating rod of the means, and a non-slip member for fixing each winding portion of the wire-shaped synchronizing means, and each rotation shaft of the three or more leg-shaped support portions is the drive unit. It is characterized in that the driving force of the means simultaneously rotates the leg-shaped support portion to a pre
  • the number of the wire-shaped synchronizing means is one, and it has at least one turnbuckle that connects one end and the other end thereof in an endless manner. Further, each of the fixed shafts of at least three or more leg-shaped supporting portions is integrally connected to each other via a connecting rod.
  • each rotary shaft of at least three or more leg-shaped support portions is formed with a circumferential groove in a spiral direction with which a winding portion of the synchronizing means is engaged.
  • the driving means includes an electric motor that uses electricity obtained from the power generation of the solar panel, and the driving force of the electric motor causes the wire to move through the fixing means to the protruding tip of the operating rod that moves back and forth in the horizontal direction from the cylinder body. It is characterized in that a part of the state synchronization means is connected.
  • rotation means changing the horizontal orientation of the solar panel from one side to the other within a predetermined range in order to increase the amount of power generated per day, and returning to the initial orientation after displacement.
  • the power generator can be manufactured at a very low cost, and the power generator can be easily assembled in the field in a short time.
  • FIG. 3 is a schematic explanatory view of the first embodiment as viewed from the front.
  • FIG. 2 is a schematic cross-sectional explanatory view from a plan view with reference to FIG. 1.
  • FIG. 3 is a schematic explanatory view of a main part (a winding portion, a non-slip member) from a perspective view.
  • FIG. 3 is a schematic cross-sectional explanatory view of a main part (slip prevention member).
  • FIG. 3 is a schematic explanatory view of a main part (driving means). Explanatory drawing which shows the concrete structure of a drive means, an operating rod, and a fixing means. The schematic explanatory drawing of the turnbuckle of a synchronizing means. The block diagram which shows an example of a control system.
  • FIG. 3 is a schematic cross-sectional explanatory view from a plan view similar to FIG. 2. The schematic explanatory drawing from the perspective of the whole similar to FIG.
  • the schematic explanatory drawing from the front view which shows one conventional embodiment.
  • X solar power generation device, 21 ... Base part, 22 ... Leg-shaped support part, 23 ... Fixed base, 24 ... Fixed shaft, 25 ... rotating shaft, 26 ... connecting rod, 31 ... Wire-shaped synchronizing means, 32 ... Wound portion, 33 ... Turnbuckle, 35 ... Anti-slip member, 41 ... Solar panel, 43 ... Fixing means, 50 ... Control unit, 61 ... Drive means, 63 ... Generator motor, 65 ... Cylinder body, 66 ... Screw rod, 67 ... operating rod.
  • FIG. 1 is a schematic explanatory view from a front view.
  • reference numeral 21 is a base portion having an arbitrary shape installed on a flat surface F such as the ground or a rooftop.
  • the shape of the base portion 21 is an appropriate shape such as a square shape, a rectangular shape, a triangular shape, and an elliptical shape.
  • the size of the base portion 21 is, for example, two sides each having a length of 10 m. The length of one side is 10 m, but the length is not particularly limited.
  • the solar panels 41 of the plurality of solar power generation devices X (hereinafter, referred to as “power generation device X”) installed in the base portion 21 have a size that does not interfere with each other.
  • a total of three leg-shaped support portions 22 are provided at the front left and right portions and the rear central portion of the upper surface of the rectangular base portion 21, and a plurality of reinforcing support portions 22 are provided. It is arranged together with the plate 22a.
  • Each of these three leg-shaped supporting portions 22 is provided with one wire-shaped synchronizing means 31 (hereinafter, referred to as “synchronizing means”) of one wire, one belt, or one rope for each rotating shaft.
  • synchronizing means 31 looks like an endless connecting member having an isosceles triangular shape in plan view as a whole.
  • the synchronization means 31 uses "one wire as a whole". As shown in FIG. 9, one wire connected endlessly as a whole has a turnbuckle 33 having an engaging portion 32 such as a hook or a ring connecting one end and the other end thereof. In addition, the one wire 31 can be engaged and disengaged with the engaged portion 34 such as a hook or ring provided at one end and the engaging portion 32 on the turnbuckle 33 side provided at the other end. When used, as shown in FIG. 2, it becomes an endless connecting member that connects the three leg-shaped support portions 22 to each other.
  • the number of the turnbuckle 33 may be “one” depending on how the synchronization means is wound (traction force or tension force).
  • FIG. 2 is a schematic cross-sectional explanatory view from a plan view, and the rotary shafts 25 of the three leg-shaped support portions 22 are cross-sections. Further, the solar panel 41 is shown by a virtual line.
  • FIG. 4 shows one leg-shaped support portion 22.
  • the leg-shaped support portion 22 includes a cylindrical fixed shaft 24 fixed to the base portion 21 via a fixed base plate 23 having a rectangular lower end, and a rotary shaft 25 fitted to the upper end of the fixed shaft. ..
  • the fixed shaft 24 has a large diameter, while the rotating shaft 25 has a small diameter. Therefore, the lower end of the rotary shaft 25 is appropriately inserted into the upper end of the fixed shaft 24.
  • the fitting relationship of the rotary shaft 25 may be external fitting depending on the design.
  • the flange-like or short-cylindrical stopper portion 25b is fixedly provided at a portion near the lower end portion. There is. Therefore, when the lower end portion of the rotary shaft 25 is fitted into the upper end portion of the fixed shaft 24, the lower end surface of the stopper portion 25b is supported by the upper end surface of the fixed shaft 24. Since the short tubular stopper portion 25b is rotatable in the circumferential direction, a material that easily slides on the upper end portion of the rotary shaft 25 is used. Further, a protrusion 25c that selectively comes into contact with a first detection means 27 and a second detection means 28, which will be described later, is provided at the lower end portion of the outer peripheral surface of the one stopper portion 25b.
  • the solar panel 41 is provided on the upper end of each rotary shaft 25 of the leg-shaped support portion 22 in a tilted state via a mounting plate 42.
  • the solar panel 41 is set to an arbitrary angle such as 30 degrees, 35 degrees, 40 degrees, and 45 degrees in consideration of the region and the country.
  • the solar panel 41 is fixedly provided on the rotary shaft 25 of the leg-shaped support portion 22.
  • the solar panel 41 may be swingably provided on the upper end portion of the rotary shaft 25 via the support shaft.
  • each fixed shaft 25 of at least three or more leg-shaped support portions 22 is integrally connected to each other via a horizontal connecting rod 26.
  • the first detection means 27 is fixed to the edge portion of the upper end portion of the fixed shaft 24 of the one leg-shaped support portion 22 serving as a reference, while the second detection means 28 is fixed to the opposite side.
  • Limit switches having sensing levers 27a and 28a are used as the detection means 27 and 28, for example.
  • FIG. 5 is a schematic perspective view of the winding portion 31a of the synchronizing means 31 and the anti-slip member 35 for fixing a substantially middle portion of the winding portion 31a from a perspective view.
  • FIG. 6 is a schematic sectional explanatory view of the anti-slip member 35.
  • the winding portion 31a is wound around the outer peripheral surface 25a of the rotary shaft 25 once or a plurality of times (for example, about twice) in the spiral direction.
  • the winding portion 31a corresponds to the rotation direction of the rotating shaft 25, and one side starts winding and the other side is in a state of being fed out.
  • the substantially middle portion of the winding portion 31a is fixed by a non-slip member 35 having a crimping or tightening function and a fixing tool 36 so that the synchronizing means 31 does not slide on the outer peripheral surface 25a of the rotating shaft 25.
  • the anti-slip member 35 is composed of, for example, an arc-shaped crimping central portion 35a, and upper and lower mounting end plate portions 35b and 35b that are continuously provided to the crimping central portion.
  • the outer circumferential surface 25a of each of the rotating 25 shafts is appropriately formed with a spiral circumferential groove 37 with which the winding portion 31a of the synchronizing means 31 is engaged.
  • FIG. 7 is a schematic explanatory view of a driving means 61, an operating rod 67 that expands and contracts in the horizontal direction by the driving force of the driving means, and a fixing means 43 that connects the protruding tip portion 67a of the operating rod and the synchronizing means 31.
  • One driving means 61 is appropriately provided on the upper surface of the base portion 21 so as to be positioned, for example, below a part of the synchronizing means 31, and the projecting tip portion 67a thereof is interposed by the fixing means 43 having a vertical plate shape. It is connected to a part of the synchronizing means 31.
  • a control unit 50 that controls the expansion and contraction of the operating rod 67 is provided on the upper surface of the base unit 21 so as to support the drive box 62 of the drive unit 61.
  • FIG. 8 is a schematic explanatory view showing a specific configuration of the driving means 61 and the operating rod 67.
  • reference numeral 61 denotes a driving means fixedly provided on the upper surface of the control box of the control unit 50.
  • the driving means 61 is provided horizontally in, for example, the driving box 62, and the solar panel 41 generates electricity.
  • An electric motor 63 that utilizes the obtained electricity, a horizontal screw rod 66 of a predetermined length that is connected to a drive shaft 64 of this electric motor, and is supported by a cylindrical cylinder body 65, and is screwed to this horizontal screw rod.
  • a part of the wire 31 is connected to the protruding tip portion 67a of the operating rod 67 via the plate-like fixing means 43.
  • the rotation timing, rotation amount, rotation direction, and rotation speed of the electric motor 63 of the drive unit 61 are controlled by a program stored in the storage unit of the control unit 50.
  • FIG. 10 is a block diagram showing an example of a control system.
  • the control unit 50 is installed on the upper surface of the base unit 21 as described above.
  • the control unit 50 acquires the detection signals respectively detected by the first detection unit 27 and the second detection unit 28 via the input unit 50a.
  • the control unit 50 has a calculation processing unit, a storage unit that stores a main program, a work program, and the like, a clock unit, and a determination unit, and outputs the determination result to the driving unit 61 via the output unit 50b.
  • the respective detection signals of the first detection means 27 and the second detection means 28 are "stop signals" for the control section 50 to stop the driving means 61, so that the control section 50 is based on the count information from the clock section. After a lapse of a predetermined time, the drive means 61 is controlled to rotate in the direction “from normal rotation to reverse rotation” or “from reverse rotation to forward rotation”.
  • the drive means 61 is controlled by the control signal of the control section 50 and its start and stop.
  • the control unit 50 intermittently (for example, every 15 minutes, every 30 minutes, every hour) sends a drive signal to the drive means 61 to rotate the solar panel so as to gradually track the sun.
  • FIG. 11A shows one direction (in the morning) of the solar panel 41 with respect to the sun S.
  • FIG. 11B shows the other direction (afternoon) of the solar panel 41 with respect to the sun S. In this way, the amount of power generation per day can be increased.
  • FIGS. 11 to 14 A second embodiment shown in FIGS. 11 to 14 will be described.
  • the main difference between the solar power generation device X of the second embodiment and the first embodiment is that the leg-shaped support portions are “4”. If the number of leg-shaped supports 22 is increased to “5” or “6” and the rotation shaft 25 of each leg-shaped support can be rotated together by the endless synchronization means 31, the leg-shaped supports 22 are supported.
  • the number of the parts 22 may be “5” or “6”. Further, the shape and structure of the anti-slip member 35 can be appropriately modified in design. Even with such a configuration, the main problem of the present invention can be achieved.
  • the wire-shaped synchronizing means 31 of the embodiment is wound around the endlessly
  • the wire-shaped synchronizing means 31 connected endlessly may be one or plural (for example, two).
  • the two wire-shaped synchronizing means 31 are endlessly wound around each rotation shaft of the leg-shaped support portion, the two wire-shaped synchronizing means 31 are connected to the fixing means in a horizontal state.
  • the present invention is installed, for example, on a flat surface on the ground and is used as a solar power generation device.

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  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Photovoltaic Devices (AREA)
  • Wind Motors (AREA)

Abstract

La présente invention concerne un générateur d'énergie solaire comprenant : une partie de base qui a une forme prescrite, et est placée sur une surface plate ; une pluralité de parties de support en forme de jambe qui sont individuellement fixées à des intervalles prescrits sur la surface supérieure de la partie de base ; des panneaux solaires qui sont respectivement disposés dans un état incliné par rapport aux extrémités supérieures des arbres rotatifs des parties de support en forme de jambe ; des moyens de synchronisation de type fil qui sont connectés sans fin dans une configuration globale de façon à être enroulés une ou plusieurs fois sur la surface périphérique externe de chacun des arbres rotatifs ; un moyen d'entraînement qui est disposé sur la partie de base, et a une tige d'actionnement dans laquelle son extrémité de pointe en saillie est reliée à certains des moyens de synchronisation de type fil par l'intermédiaire d'un moyen de fixation ; une unité de commande qui est disposée sur la partie de base, et commande l'extension et la rétraction de la tige d'actionnement du moyen d'entraînement ; et des éléments antidérapants qui fixent respectivement les sites d'enroulement des moyens de synchronisation de type fil. Les arbres rotatifs d'au moins trois parties de support en forme de jambe tournent simultanément dans une mesure prescrite dans la direction circonférentielle de la partie de support en forme de jambe correspondante par l'intermédiaire des moyens de synchronisation de type fil à l'aide de la force d'entraînement fournie par les moyens d'entraînement. Ainsi, il est possible de produire un générateur d'énergie à faible coût, et d'assembler facilement le générateur d'énergie sur site en un court laps de temps.
PCT/JP2018/041792 2018-11-12 2018-11-12 Générateur d'énergie solaire Ceased WO2020100181A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2018/041792 WO2020100181A1 (fr) 2018-11-12 2018-11-12 Générateur d'énergie solaire
JP2020556469A JPWO2020100181A1 (ja) 2018-11-12 2018-11-12 太陽光発電装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/041792 WO2020100181A1 (fr) 2018-11-12 2018-11-12 Générateur d'énergie solaire

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102550535B1 (ko) * 2023-02-06 2023-07-03 주식회사 바이저시스템 태양광 시스템
JP7630032B1 (ja) * 2024-04-01 2025-02-14 六雄 青柳 太陽光パネル傾斜装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09100888A (ja) * 1995-10-03 1997-04-15 Smc Corp 電動アクチュエータ
US20090014054A1 (en) * 2007-05-24 2009-01-15 Teodoro Domingo Cano Messeguer Photovoltaic solar installation
EP2154449A2 (fr) * 2008-08-04 2010-02-17 Get S.R.L. Dispositif solaire et/ou éolien avec système de poursuite
JP2012533892A (ja) * 2009-07-20 2012-12-27 テクノサン ソーラー システムズ アクチエンゲゼルシャフト 太陽光発電システムのための追尾装置およびそのような追尾装置を設置するための方法
JP2014086430A (ja) * 2012-10-19 2014-05-12 Arufakusu Kk 複数のソーラーパネルの設置構造
WO2014122518A1 (fr) * 2013-02-05 2014-08-14 Sasu Metv Design Système photovoltaïque solaire à suivi, et procédés d'installation ou d'utilisation d'un tel système photovoltaïque solaire à suivi
JP2014527794A (ja) * 2011-08-15 2014-10-16 モーガン ソーラー インコーポレーテッド 自己安定型の太陽光追尾装置
WO2016172664A1 (fr) * 2015-04-24 2016-10-27 Glenn Jakins Système de rotation à axe unique destiné à être utilisé avec un dispositif solaire

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09100888A (ja) * 1995-10-03 1997-04-15 Smc Corp 電動アクチュエータ
US20090014054A1 (en) * 2007-05-24 2009-01-15 Teodoro Domingo Cano Messeguer Photovoltaic solar installation
EP2154449A2 (fr) * 2008-08-04 2010-02-17 Get S.R.L. Dispositif solaire et/ou éolien avec système de poursuite
JP2012533892A (ja) * 2009-07-20 2012-12-27 テクノサン ソーラー システムズ アクチエンゲゼルシャフト 太陽光発電システムのための追尾装置およびそのような追尾装置を設置するための方法
JP2014527794A (ja) * 2011-08-15 2014-10-16 モーガン ソーラー インコーポレーテッド 自己安定型の太陽光追尾装置
JP2014086430A (ja) * 2012-10-19 2014-05-12 Arufakusu Kk 複数のソーラーパネルの設置構造
WO2014122518A1 (fr) * 2013-02-05 2014-08-14 Sasu Metv Design Système photovoltaïque solaire à suivi, et procédés d'installation ou d'utilisation d'un tel système photovoltaïque solaire à suivi
WO2016172664A1 (fr) * 2015-04-24 2016-10-27 Glenn Jakins Système de rotation à axe unique destiné à être utilisé avec un dispositif solaire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102550535B1 (ko) * 2023-02-06 2023-07-03 주식회사 바이저시스템 태양광 시스템
JP7630032B1 (ja) * 2024-04-01 2025-02-14 六雄 青柳 太陽光パネル傾斜装置

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