WO2012168386A1 - Agencement de modules solaires, système de fixation et rail porteur - Google Patents

Agencement de modules solaires, système de fixation et rail porteur Download PDF

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Publication number
WO2012168386A1
WO2012168386A1 PCT/EP2012/060833 EP2012060833W WO2012168386A1 WO 2012168386 A1 WO2012168386 A1 WO 2012168386A1 EP 2012060833 W EP2012060833 W EP 2012060833W WO 2012168386 A1 WO2012168386 A1 WO 2012168386A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail
solar module
rails
fastening system
section
Prior art date
Application number
PCT/EP2012/060833
Other languages
German (de)
English (en)
Inventor
Majid Djahani
Original Assignee
Mounting Systems Gmbh
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 Mounting Systems Gmbh filed Critical Mounting Systems Gmbh
Publication of WO2012168386A1 publication Critical patent/WO2012168386A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
    • F24S25/13—Profile arrangements, e.g. trusses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
    • F24S25/632—Side connectors; Base connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/80—Accommodating differential expansion of solar collector elements
    • F24S40/85—Arrangements for protecting solar collectors against adverse weather conditions
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking

Definitions

  • the invention relates to a support rail for a relative to a substrate, in particular a flat roof inclined mounting a solar module.
  • the invention further relates to a fastening system for a relative to a substrate, in particular a flat roof inclined mounting a solar module.
  • the invention relates to a solar module arrangement.
  • Solar modules are used to convert sunlight into usable energy. Typically, these are either photovoltaic modules that generate electrical energy when illuminated by sunlight, or solar collector modules that heat a passing fluid.
  • photovoltaic modules When installing photovoltaic modules on flat roofs special requirements must be considered. On the one hand, the flat roof must not be damaged by assembly or lose its watertightness. An attachment to the roof is therefore often undesirable.
  • the solar modules must be inclined to achieve optimum efficiency with respect to the flat roof.
  • modern industrial buildings, which typically use flat roofs hardly have any load reserves in the roof construction. Thus, a subsequent application of a photovoltaic system is possible only to a limited extent.
  • EP 0 892 877 B1 shows a device designed for this purpose.
  • solar modules are placed on spacers, which provide due to different heights for the desired inclination of the solar modules.
  • the spacers are relatively bulky and expensive to manufacture components. It is therefore desirable to mount solar modules on a flat roof using lightweight, easy to manufacture components.
  • the invention relates to a support rail for an inclined with respect to a substrate, in particular a flat roof mounting a solar module, which has a shorter and a longer rail section in comparison of their longitudinal extent.
  • the shorter and the longer rail section are angled to each other and are connected by a bent rail section.
  • the bent rail section is preferably arcuate and particularly preferably kinked or deep-drawn.
  • the carrier rail according to the first aspect of the invention can be made of a light material, for example aluminum, which considerably increases its handiness compared to bulky components.
  • it is made of a one-piece metal part by forming.
  • the metal part can be reshaped by bends, also called folding bending. In this way, an additional assembly is not required.
  • this can alternatively be achieved with other materials and other processing methods.
  • plastic can be used which can already be manufactured in a corresponding shape or can be brought into such a shape by suitable shaping.
  • the longer rail section of the carrier rail is used in the assembled state for placing a solar module. He is therefore preferably trained straight.
  • the shorter rail section and the longer rail section both have an end, with which they can be mounted on a resting on the ground mounting rail. If such a mounting rail is horizontal, solar modules on the longer rail section with the desired inclination relative be mounted to the earth's surface.
  • the rail sections extend at an angle to one another, which allows the longer rail section, when placed on the ground, preferably to have an inclination of between 10 ° and 25 °, in particular preferably between 14 ° and 16 °, relative to the latter.
  • the carrier rail according to an embodiment in a view perpendicular to its longitudinal direction extending cross-sectional plane considered a cross-sectional profile with at least one trapezoidal profile section. On a high bead of this trapezoidal profile section, a solar module can be placed. On the high bead can also be formed at longitudinal ends of the longer rail section depending on a keyhole-shaped slot. This facilitates the attachment of retaining elements for the solar module.
  • the cross-sectional profile has exactly two trapezoidal sections, which are arranged mirror-symmetrically with respect to a plane extending perpendicularly to the cross-sectional plane between the trapezoidal sections.
  • the support rail can be additionally stabilized.
  • a keyhole-shaped elongated hole can be formed on at least one upper flange of the trapezoidal profile section at longitudinal ends of the longer rail section.
  • the keyhole-shaped slot can also be formed in a lower flange between the two raised beads.
  • both highs of the respective trapezoidal sections can each have a keyhole-shaped elongated hole at respective longitudinal ends of the longer rail section.
  • the shorter rail portion may also form only one end portion of the bent rail portion, which is resting on a substrate or on a mounting rail or to be arranged on these abutting.
  • the shorter rail section and the bent rail section coincide in this embodiment.
  • An attached to said end portion of the bent rail section tangent extends in this embodiment to the longer rail section angled.
  • the invention relates to a fastening system for a relative to a substrate, in particular a flat roof inclined installation of a solar module.
  • the fastening system has two parallel to each other on the ground the mounting rails to be arranged and further two support rails according to the first aspect of the invention.
  • the carrier rails are arranged in pairs side by side on each one of the mounting rails. Their longer rail sections extend to support a solar module in a common plane, with their ends remote from the respective bent rail section of the shorter and longer rail sections being fastened to the relevant fastening rail.
  • the fastening system according to the second aspect of the invention allows a particularly simple assembly. All you have to do is place the two mounting rails on the ground and then mount the rails on them. These are only lightweight and easy-to-use components. If a weighting of the fastening system to prevent lifting or sliding is necessary, this can be done after assembly work with appropriate weights.
  • the common plane of the longer rail sections is the one in which a solar module can be placed. This is typically a plane which is defined not only by the position of the two carrier rails to each other, but also by respective surfaces of the carrier rails. For example, the common plane may be defined by bearing surfaces formed by the raised beads described with reference to the first aspect of the invention.
  • the support rails are preferably attached to the mounting rails by means of non-chipping or self-tapping screws. This eliminates the need to form holes or other means, with which an attachment of the support rails is made possible on the mounting rails. Thus, it is not necessary to determine the exact positions of the support rails on the mounting rails. Rather, the determination of these positions can be done during installation on the roof.
  • a cover extends between the two adjacent support rails and along the longitudinal extent of the shorter and the bent rail portion of the support rails which are mounted on the support rails.
  • the carrier rails are stabilized to each other.
  • a shapely execution is achieved.
  • a corrugated cover can be used.
  • the invention relates to a solar module arrangement with a fastening system according to the second aspect of the invention.
  • the solar module assembly has, in addition to the fastening system, at least one solar module which is mounted in stock on the longer rail sections of the pairs of adjacent support rails.
  • the solar module arrangement according to the third aspect realizes the advantages already mentioned with reference to the first and second aspects of the invention.
  • the mentioned variants and preferred embodiments of the carrier rail according to the first aspect and the fastening system according to the second aspect are correspondingly executable for the solar module assembly according to the third aspect.
  • the solar module assembly according to the third aspect uses components that are optimally matched to one another with regard to the occurring wind load, which minimizes the need for ballast to prevent lifting or sliding.
  • this aspect is advantageous. Also, the need for anchoring on the roof can be avoided.
  • the fastening system used for the solar module assembly is one with the aforementioned cover between the two adjacent support rails.
  • An air gap which extends over the entire width of the solar module between the carrier rails preferably remains between the cover and a top edge of the solar module facing the bent rail section of the respective carrier rail.
  • the air gap ensures that a pressure equalization between a bottom and a top of the solar module can take place.
  • the upper edges and respective lower edges of the solar modules facing away from the bent rail section of the respective carrier rail are each fastened by means of a profile rail to the longer rail sections of the respective carrier rails.
  • retaining elements can be fastened to the profile rails, which prevent lifting of the solar modules from the carrier rails.
  • the rails may have projections to the solar module, on which the solar module rests on.
  • solar modules can also rest directly on the longer rail sections or rest on support elements, which are mounted on the straight rail sections.
  • Fig. 1 shows a carrier rail according to the first aspect of the invention.
  • Fig. 2 shows the carrier rail of Fig. 1 in another illustration.
  • Fig. 3 shows a solar module assembly according to the third aspect of the invention with a fastening system according to the second aspect of the invention.
  • FIG. 4 shows part of the solar module arrangement of FIG. 3 in greater detail.
  • Fig. 5 shows a further part of the solar module arrangement of Fig. 3 in larger
  • Fig. 6 shows another embodiment of a solar module assembly according to the third aspect of the invention with a further embodiment of a fastening system according to the second aspect of the invention.
  • FIG. 7 shows a portion of the solar module arrangement of FIG. 6 in greater detail.
  • Fig. 1 shows a carrier rail 100 according to the first aspect of the invention.
  • the carrier rail 100 has a longer rail section 110, a shorter rail section 130, and an intermediate bent, presently curved rail section 120.
  • the longer rail section 110 and the shorter rail section 130 are each straight. Incidentally, they are angled to each other, in such a way that when each of the arcuate rail section 120 opposite ends of the longer rail section 1 10 and the shorter rail section 130 on a substrate, not shown, the longer rail section 1 10 a support portion for a solar module with an inclination opposite the ground of 15 °.
  • Fig. 2 shows the carrier rail 100 of Fig. 1 in another view, whereby more details are visible.
  • the carrier rail 100 viewed in cross-section, has a first trapezoidal section 140 with a first raised bead 145 and a second trapezoidal section 150 with a second raised bead 155.
  • the first trapezoidal section 140 and the second trapezoidal section 150 are mirror-symmetrical to each other with respect to an imaginary plane lying transverse to the cross-sectional plane and located in the middle between the two trapezoidal sections 140, 150.
  • the trapezoidal sections 140, 150 extend over the entire carrier rail, i. H. over the longer rail portion 1 10, the arcuate rail portion 120 and the shorter rail portion 130th
  • the arcuate rail section 120 is kink-rounded. Material shares, which lie at smaller radii of the circular arc portion, are therefore partially compressed, whereby a plurality of bulges 125 is formed. These bulges are insignificant and can proceed when using other manufacturing or forming process, even when using other materials.
  • the carrier rail 100 has a first slot 160 and a second slot 170.
  • the two elongated holes 160, 170 are formed in a section of the carrier rail 100 which lies between the first trapezoidal section 140 and the second trapezoidal section 150.
  • the elongated holes 160, 170 are keyhole-shaped. This means that the first slot 160 has a first round section 162 and a first elongate section 164. Likewise, this means that the second slot 170 has a second round section 172 and a second elongated section 174. Due to the design of the two elongated holes 160, 170 in keyhole shape, the simple insertion of an example round screw head, which has a larger Elongation has allowed as the first elongate portion 164 and the second elongated portion 174, but by the first round portion 162 or the second round portion 172 fits. By simply moving the respective screw head into one of the elongated sections 164, 174, a positive connection with the carrier rail 100 can be produced.
  • the first slot 160 and the second slot 170 are located at respective longitudinal ends of the longer rail section 1 10. This allows for support of a solar module on the longer rail section 1 10 attachment of holders for the solar module in the vicinity of respective upper and lower edges of the solar module. This allows a good attachment of the solar module can be achieved.
  • the solar module arrangement 200 has a fastening system 300 according to the second aspect of the invention as well as a solar module 400.
  • the solar module 400 is presently a photovoltaic module.
  • the fastening system 300 has a first fastening rail 310a and a second fastening rail 310b.
  • the two mounting rails 310a, 310b are arranged parallel to each other on a substrate, not shown.
  • the two fastening rails 310a, 310b have an identical cross-sectional profile. This will therefore be explained below only with reference to the first mounting rail 310a.
  • the first fastening rail 310a has in cross section a first trapezoidal section 320a with a first raised bead 325a and a second trapezoidal section 330a with a second raised bead 335a.
  • the first trapezoidal section 320a and the second trapezoidal section 330a are mirror-symmetrical to each other with respect to a plane perpendicular to the cross-sectional plane and located centrally between the two trapezoidal sections 320a, 330a.
  • the first mounting rail 310a is adapted to the cross-sectional profile of the support rail 100 of Figures 1 and 2. The same applies, as already mentioned, for the second mounting rail 310b.
  • the fastening system 300 further includes a first carrier rail 100a and a second carrier rail 100b.
  • the two carrier rails 100a, 100b are respectively formed as the fixing rail 100 described in FIGS. 1 and 2.
  • the designation with “a” or “b” takes place here only to distinguish the two mounting rails in the fastening system 300. The same applies to the components of the carrier rails 100a, 100b.
  • the carrier rails 100a, 100b are fastened to the mounting rails 310a, 310b by means of non-cutting or self-tapping screws.
  • the screws 340a, 340b are shown for this purpose.
  • the solar module 400 is located on the longer rail sections 1 10a, 1 10b.
  • the second raised bead 155b serves as a supporting surface for the solar module 400.
  • a first middle holder 380 and a second middle holder 385 are mounted, which hold the solar module 400 on the second raised bead 155b.
  • the center holders 380, 385 are designed so that even a further solar module, which is not shown, can be placed on the first high bead 145b of the second carrier rail 100b.
  • the solar module assembly can be expanded laterally.
  • a cover 360 is arranged, which is designed to be wavy. Between the cover 360 and the solar module 400, an air gap 390 is formed, which allows a pressure equalization between the space below the solar module 400 and the space above the solar module 400. This prevents the solar module arrangement 200 from being lifted off the ground, even under strong wind loads.
  • the wind attack surface can be further minimized in the edge region.
  • the first end holder 370 is shown in more detail in FIG. 4.
  • the end holder 370 has a lower part 371 and an upper part 372, which are connected to each other by a screw 373. While the lower one Part 371, the space between the two raised beads 145a, 155a fills and stabilizes the first end holder 370, the upper part 372 is on the solar module 400 and thereby prevents it from lifting.
  • the screw 373 is fastened to the first carrier rail 100a by means of the second oblong hole 170a.
  • FIG. 5 shows, by way of example for the center holders 380, 385, the second center holder 385 in greater detail.
  • the second center holder 385 has a lower part 386, an upper part 387 and a screw 388 connecting the two parts 386, 387.
  • the lower part 386 is located between the two high beads 145b, 155b of the second carrier rail 100b.
  • the upper part 387 rests on the profile rail 400 and thus prevents it from lifting off from the second raised bead 155b.
  • the upper part 387 is also designed to hold another, not shown, solar module on the first high bead 145b.
  • the screw 388 connects the upper part 387 to the lower part 386, and both via the not shown in Fig. 5 keyhole-shaped first slot 160b with the second support rail 100b.
  • 6 shows a second exemplary embodiment of the solar module arrangement 500 according to the third aspect of the invention.
  • the solar module arrangement 500 is constructed very similar to the solar module arrangement 200 shown in FIGS. 3 to 5. Identical parts will therefore not be discussed.
  • the solar module arrangement 500 shown in FIG. 6 differs from the solar module arrangement 200 of FIGS. 3 to 5 only in that the solar module 400 is not held on the carrier rails 100a, 100b by end and center holders, but on a lower profile rail 600 and an upper rail 650 rests and is secured by a total of four retaining elements 700, 701, 702, 703 against lifting.
  • the connection between the solar module 400, the profile rails 600, 650 and the carrier rails 100a, 100b is shown in greater detail in FIG. 7 for the area around the holding element 700.
  • the lower profile rail 600 is screwed by means of a fastening part 610 with the first support rail 100a.
  • the lower profile rail 600 further has a support surface 620, on which the solar module 400 rests.
  • a solar module can be used, which according to the manufacturer's specification may not be placed directly on one of the high beads 145, 155.
  • the rail 600 also has an inner profile 630, to which by means of a sliding block 635, the retaining element 700 is attached.
  • the holding element 700 holds the solar module 400 by a positive connection on the support surface 620 of the rail 600.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

L'invention concerne un agencement de modules solaires (200) comprenant un système de fixation (300) pour modules solaires (400) et un rail porteur (100) associé. Le rail porteur (100) est monté sur un rail de fixation (310) du système de fixation (300) et assure une position inclinée du module solaire (400). Un élément de recouvrement (360) s'étend entre deux rails porteurs (100) juxtaposés.
PCT/EP2012/060833 2011-06-07 2012-06-07 Agencement de modules solaires, système de fixation et rail porteur WO2012168386A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011077163.8 2011-06-07
DE102011077163 2011-06-07
DE102011086228A DE102011086228A1 (de) 2011-06-07 2011-11-11 Solarmodulanordnung, Befestigungssystem und Trägerschiene
DE102011086228.5 2011-11-11

Publications (1)

Publication Number Publication Date
WO2012168386A1 true WO2012168386A1 (fr) 2012-12-13

Family

ID=47220471

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/060833 WO2012168386A1 (fr) 2011-06-07 2012-06-07 Agencement de modules solaires, système de fixation et rail porteur

Country Status (2)

Country Link
DE (1) DE102011086228A1 (fr)
WO (1) WO2012168386A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017165934A1 (fr) * 2016-03-29 2017-10-05 Cezar Lima Alves Ximenes Fernando Système profilé structural trapézoïdal avec ailette dans un ensemble de dessin géométrique universel pour fixation et constructions avec graduations de fixation et d'angle
CN116111926A (zh) * 2023-02-27 2023-05-12 瑞驰踔厉(武汉)科技有限公司 一种用于智慧路灯可拆装方便的光伏设备安装支架

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439448A (zh) * 2016-11-30 2017-02-22 张世友 支撑安装架

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US20030010375A1 (en) * 2001-07-10 2003-01-16 Powerlight Corporation Pressure equalizing photovoltaic assembly and method
DE202007016366U1 (de) * 2007-10-25 2008-03-27 Metzger, Herbert H. W. Solarmodul-Ständerkonstruktion
DE202008011670U1 (de) * 2008-09-02 2008-11-06 Tk Energy Gmbh Trägervorrichtungen für Vorrichtungen zur Nutzung von Sonnenenergie
US20090134291A1 (en) * 2007-11-20 2009-05-28 Meier Chris M System and method of mounting a removable and adjustable photovoltaic ballast frame device
DE102008004179A1 (de) * 2008-01-11 2009-07-16 Metzger, Herbert H. W. Solarmodulanordnung
US20110047931A1 (en) * 2008-05-01 2011-03-03 Sunedison, Llc Methods of Assembling Solar Energy Collecting Modules

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DE29503315U1 (de) * 1995-02-14 1995-04-27 Energiebiss Ges Fuer Sonnenene Befestigungsvorrichtung zur definierten Positionierung von Solarmodulen auf Flachdächern
US5746839A (en) 1996-04-08 1998-05-05 Powerlight Corporation Lightweight, self-ballasting photovoltaic roofing assembly
JPH102622A (ja) * 1996-06-13 1998-01-06 Nobuaki Takamura 太陽熱温水器の屋根設置方法
DE102007045554B3 (de) * 2007-09-24 2009-03-19 Solarworld Ag Stapelbares Flachdach-/Bodengestell für Solarpaneele

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Publication number Priority date Publication date Assignee Title
US20030010375A1 (en) * 2001-07-10 2003-01-16 Powerlight Corporation Pressure equalizing photovoltaic assembly and method
DE20209892U1 (de) * 2002-06-26 2002-10-02 Maeder Wolfgang Anordnung zur Befestigung von Solarmodulen an Wänden und auf Dächern von Gebäuden
DE202007016366U1 (de) * 2007-10-25 2008-03-27 Metzger, Herbert H. W. Solarmodul-Ständerkonstruktion
US20090134291A1 (en) * 2007-11-20 2009-05-28 Meier Chris M System and method of mounting a removable and adjustable photovoltaic ballast frame device
DE102008004179A1 (de) * 2008-01-11 2009-07-16 Metzger, Herbert H. W. Solarmodulanordnung
US20110047931A1 (en) * 2008-05-01 2011-03-03 Sunedison, Llc Methods of Assembling Solar Energy Collecting Modules
DE202008011670U1 (de) * 2008-09-02 2008-11-06 Tk Energy Gmbh Trägervorrichtungen für Vorrichtungen zur Nutzung von Sonnenenergie

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017165934A1 (fr) * 2016-03-29 2017-10-05 Cezar Lima Alves Ximenes Fernando Système profilé structural trapézoïdal avec ailette dans un ensemble de dessin géométrique universel pour fixation et constructions avec graduations de fixation et d'angle
CN116111926A (zh) * 2023-02-27 2023-05-12 瑞驰踔厉(武汉)科技有限公司 一种用于智慧路灯可拆装方便的光伏设备安装支架
CN116111926B (zh) * 2023-02-27 2023-08-01 瑞驰踔厉(武汉)科技有限公司 一种用于智慧路灯可拆装方便的光伏设备安装支架

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