WO2019062312A1 - 薄膜光伏组件的背挂式安装总成 - Google Patents

薄膜光伏组件的背挂式安装总成 Download PDF

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Publication number
WO2019062312A1
WO2019062312A1 PCT/CN2018/097283 CN2018097283W WO2019062312A1 WO 2019062312 A1 WO2019062312 A1 WO 2019062312A1 CN 2018097283 W CN2018097283 W CN 2018097283W WO 2019062312 A1 WO2019062312 A1 WO 2019062312A1
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WO
WIPO (PCT)
Prior art keywords
plate
photovoltaic module
thin film
mounting assembly
film photovoltaic
Prior art date
Application number
PCT/CN2018/097283
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English (en)
French (fr)
Inventor
姜威
吕河江
王宏
Original Assignee
北京铂阳顶荣光伏科技有限公司
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Publication of WO2019062312A1 publication Critical patent/WO2019062312A1/zh

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    • 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
    • F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
    • 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
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • 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
    • F24S25/30—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors
    • 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
    • F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
    • F24S25/613—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures in the form of bent strips or assemblies of strips; Hook-like connectors; Connectors to be mounted between building-covering elements
    • 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
    • F24S25/634—Clamps; Clips
    • F24S25/636—Clamps; Clips clamping by screw-threaded elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02—Details
    • H01L31/0203—Containers; Encapsulations, e.g. encapsulation of photodiodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • 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
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • 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
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • 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
    • F24S2025/6002—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by using hooks
    • 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
    • F24S2025/6005—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by screwed connection
    • 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
    • F24S2025/80—Special profiles
    • F24S2025/804—U-, C- or O-shaped; Hat profiles
    • 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
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • 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 invention relates to a mounting technology of a photovoltaic module, in particular to a back-mounted mounting assembly of a thin film photovoltaic component.
  • Thin film is the future of photovoltaic power generation, especially with the further improvement of module efficiency, flexible and thin film will gradually become the emerging development direction of the photovoltaic market.
  • the thin-film components are mostly frameless double-glass components, which have a high installation breakage rate due to their unique double-glazed structure and improper operation during installation.
  • the fixing of the thin film photovoltaic module in the prior art requires a clamp to be pressed and fixed from the front plate of the assembly, which is often caused by excessive force, which causes the glass of the assembly to be broken.
  • there is a problem of blocking light affecting the amount of power generation, and the installation operation is inconvenient, and the construction progress is slow.
  • the present invention provides a back-mounted mounting assembly for a thin film photovoltaic module, the mounting assembly comprising:
  • a back hook plate having an L-shaped cross section, comprising a horizontal plate and a vertical plate, wherein the horizontal plate is fixedly connected to the photovoltaic module;
  • the fixing beam comprises a bottom plate and a pair of opposite side plates fixed on the bottom plate, the bottom plate being used for fixed connection with the roof;
  • a fastener is fixedly coupled to the fixed beam through the riser and a pair of the side panels.
  • the back-mounted mounting assembly of the thin film photovoltaic module as described above wherein, preferably, the back hook plate is provided with a mounting hole, the fastener is a bolt, and the bolt is matched with the mounting hole And tightened by tightening the nut.
  • the back-mounted mounting assembly of the thin film photovoltaic module provided by the invention is provided with a back hook plate having an L-shaped cross section, one side is fixedly connected with the glass back plate, and the other side is fixedly connected with the fixing beam by a fastener, and then passes through the fixing beam. It is connected to the roof to achieve the installation of the PV module on the roof. Compared with the prior art, the damage to the glass is avoided, and the structure is simple and the installation is convenient.
  • FIG. 1 is a schematic structural view of a back-mounted mounting assembly of a thin film photovoltaic module according to an embodiment of the present invention
  • FIG. 2 is a front view showing the structure of a back-mounted mounting assembly of a thin film photovoltaic module according to an embodiment of the present invention
  • Figure 3 is an enlarged view of A in Figure 2;
  • FIG. 4 is a schematic overall view of a back-mounted mounting assembly of a thin film photovoltaic module according to an embodiment of the present invention
  • Figure 5 is a schematic view showing the connection of the back hook plate and the glass back plate.
  • an embodiment of the present invention provides a back-mounted mounting assembly for a thin film photovoltaic module, which is used for fixing a photovoltaic module, which comprises a glass back plate 1 and a thin film solar cell stacked in sequence. Chip and glass top plate.
  • Fig. 1 only exemplarily shows a glass back sheet 1, and in fact, a thin film solar cell chip and a glass top plate are sequentially stacked on a glass back sheet 1 to form a double glass unit.
  • the mounting assembly provided by the embodiment is not limited to use on the double glass component, and the purpose thereof is to avoid direct clamping of the glass back plate 1 , and therefore, the applicable range of the mounting assembly It is not limited to the double glass component mentioned in this embodiment, and only the double glass component is taken as an example here.
  • the mounting assembly includes a back hook plate 2, a fixing beam 3 and a fastener 4, wherein the back hook plate 2 has an L-shaped cross section, and includes a horizontal plate 21 and a vertical plate 22, and the horizontal plate 21 is fixedly connected to the above-mentioned photovoltaic module. Specifically, the glass back plate 1 in the photovoltaic module is fixedly connected.
  • the fixed beam 3 includes a bottom plate 31 and a pair of side plates 32 fixed to the bottom plate 31 for fixed connection with the roof.
  • the fastener 4 passes through the riser 22 and the pair of side plates 32 to securely connect the back plate hook and the fixed beam 3.
  • the back-mounted mounting assembly of the thin film photovoltaic module provided by the embodiment of the present invention is provided with a back hook plate 2 having an L-shaped cross section, one side is fixedly connected with the glass back plate 1 and the other side is passed.
  • the fastener 4 is fixedly connected to the fixed beam 3 and then connected to the roof through the fixed beam 3, thereby realizing the installation of the photovoltaic module on the roof. Compared with the prior art, the damage to the glass is avoided, and the structure is simple and the installation is convenient.
  • the installation assembly is at the factory, the double glass assembly and the back hook plate 2 are integrated, that is, the back hook plate 2 and the double glass assembly are assembled in the factory, and the position and size of the back hook plate 2 can be strictly controlled. . Therefore, when the back hook plate 2 is mounted on the fixed beam 3, the overall load and flatness of the entire mounting assembly will be relatively high, which ensures the stability of the entire double glass assembly, and the clamp used in the prior art is installed. Relative to the component is movable, it is difficult to ensure the accuracy of the clamp position during the installation process, so that the entire component is unevenly stressed, which easily causes the double-glass component to be broken, especially in the case of bad weather, it is more likely to be damaged. Serious loss.
  • the back hook plate 2 and the glass back plate 1 are fixedly connected by a structural adhesive 5 .
  • the back hook plate 2 can also be fixedly connected to the glass back plate 1 by riveting, screwing or other means.
  • the back hook plate 2 is fixedly connected to the glass back plate 1 by using the structural adhesive 5, and when the structural adhesive 5 is used, the structural adhesive 5 has the advantages of high strength, can withstand large loads, and is resistant. Aging, fatigue resistance, corrosion resistance, stable performance during the expected life of the structural adhesive 5, and ability to withstand strong structural member bonding, so that the connection between the back hook plate 2 and the glass back plate 1 is relatively strong.
  • the area of the structural adhesive 5 is larger than the single side of the back hook plate 2, that is, the bonding area of the structural adhesive 5 and the glass backing plate 1 is larger than the area of the horizontal plate 21, and when such an arrangement is adopted,
  • the utility model not only ensures the firmness of the structural adhesive 5 during the pasting, but also completely isolates the contact between the double glass component and the metal (the back hook plate 2), thereby effectively preventing the PID effect of the component, and the clamp mounting design fixture used in the prior art has passed More, it is difficult to avoid contact between components and metals.
  • the back hook plate 2 When the back hook plate 2 is used, the back hook plate 2 is supported on the surface of the glass back plate 1 facing away from the glass top plate. At this time, the back hook plate 2 is not only used as a connecting member, but also serves as a support for the glass back plate 1. Pieces to ensure the mechanical strength of the double glass components. As shown in FIGS. 3 and 5, the back hooking plate 2 has a certain length and width, so that the glass backing plate 1 can be well supported, and the intermediate recess can be improved when the size of the glass backing plate 1 is too large. In the specific setting, the length direction of the back hooking plate 2 may be parallel or perpendicular to the single side of the glass backing plate 1. Of course, other angled manners may be adopted to improve the supporting effect on the glass backing plate 1. However, the clamp in the prior art is installed on the edge of the double glass component, which causes the middle part of the whole double glass component to have poor support effect, and the middle part of the component may appear slightly concave, which makes the stability of the whole device poor
  • the mounting assembly provided by the embodiment further includes a diagonal beam 6 , and the bottom plate 31 of the fixed beam 3 is fixed on the inclined beam 6 .
  • the fixing is fixed, the fixing amount 3 is fastened to the inclined beam 6 by bolts.
  • the diagonal beam 6 is used for fixed attachment to the roof to secure the entire mounting assembly to the roof.
  • the fixed beam 3 may be a C-shaped steel having a C-shaped cross section, and the bottom plate 31 and the pair of side plates 32 have a structure and form a C-shaped structure.
  • a folded plate may be disposed at an end of the side plate 32 away from the bottom plate 31, so that the fixed beam 3 is formed into a shape in which the cross section is inwardly closed, thereby improving the mounting stability of the fixed beam 3.
  • the back hook plate 2 may be provided with mounting holes, the mounting holes may be screw holes of size M8, each of the back hook plates 2 is provided with two mounting holes, and the mounting holes may be adjusted as needed. Number to improve the stability of the entire assembly after assembly.
  • the fastener 4 used is a bolt, and the bolt is matched with the mounting hole and locked by the fastening nut.
  • the back hook plate 2 and the fixing beam 3 can be fixedly connected by other common connecting members, and details are not described herein again.
  • the number of the back hook plates 2 can be set according to the size of the photovoltaic module.
  • the number of the back hook plates 2 is two, and the two back hook plates 2 are perpendicular to each other or parallel to each other to improve the mounting strength of the photovoltaic module.
  • the longitudinal direction of the back hooking plate 2 is parallel or perpendicular to the longitudinal direction of the one side of the glass backing plate 1.
  • the material of the back hook plate 2 may be an aluminum alloy, so that the mounting structure is lightweight, and in order to improve the reliability of the back hook plate 2 when supporting, the horizontal plate 21 and the vertical plate 22 of the back hook plate 2 are integrated, that is,
  • the entire back hook plate 2 is an L-shaped aluminum alloy plate.
  • the aluminum alloy plate has corrosion resistance.
  • the surface of the back hook plate 2 can form a dense aluminum oxide protective layer, thereby preventing further oxidation of the back hook plate 2 and improving The chemical stability of the back hook panel 2 is obtained.
  • the strength of the aluminum alloy in a low temperature environment is enhanced, so that the back hook plate 2 can satisfy the support strength requirement, especially in cold weather, and the reliability at the time of support is improved.
  • the back hooking plate 2 can better conduct the weak current generated by various reasons in the photovoltaic system and improve the safety of the entire installation assembly.
  • the back-mounted mounting assembly of the thin film photovoltaic module provided by the embodiment of the present invention further includes a column 7, and the top end of the column 7 and the side of the inclined beam 6 away from the bottom plate 31 are fixed. Connected, the bottom end of the column 7 is fixedly connected to the roof.
  • the column 7 and the inclined beam 6 can be fixedly connected by a bracket, the photovoltaic module is supported by a column 7 to a certain height, and the photovoltaic module is tilted by a certain angle by the arrangement of the inclined beam 6, thereby better absorbing light and improving The conversion efficiency of electric energy.

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Abstract

本发明提供了一种薄膜光伏组件的背挂式安装总成，该安装总成包括：断面为L形的背挂钩板，包括横板和竖板，横板与玻璃背板固定连接；固定梁，包括底板和固定在底板上、且对置的一对边板，底板用于与屋顶固定连接；紧固件，穿过竖板和一对边板，将背挂钩板与固定梁固定连接。本发明提供的薄膜光伏组件的背挂式安装总成，设置有断面为L形的背挂钩板，一面与玻璃背板固定连接，另一面通过紧固件与固定梁固定连接，再通过固定梁与屋顶连接，从而实现了光伏组件在屋顶的安装。与现有技术相比，避免了对玻璃的损坏，另外其结构简单，安装较为便利。

Description

薄膜光伏组件的背挂式安装总成
本申请要求在2017年9月28日提交中国专利局、申请号为201721265700.9、发明名称为“薄膜光伏组件的背挂式安装总成”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及光伏组件的安装技术，尤其涉及一种薄膜光伏组件的背挂式安装总成。
背景技术
太阳能作为一种清洁能源，其开采利用正受到世界各国的重视，如何高效的采集和利用太阳能对于环境的保护有着相当深远的意义。薄膜是光伏发电的未来，特别是伴随着组件效率的进一步提升，柔性化、薄膜化将逐渐成为光伏市场的新兴发展方向。但薄膜组件多为无框的双玻组件，由于其独特双层玻璃结构和安装中的操作不当，导致薄膜组件具有较高的安装破损率。
现有技术中的薄膜光伏组件的固定，需要用夹具从组件的前板方向压紧固定，常因为用力过大，造成压迫组件玻璃而破裂的现象。同时存在遮挡光线，影响发电量的问题，并且安装操作不便，施工进度缓慢。
发明内容
本发明的目的是提供一种薄膜光伏组件的背挂式安装总成，以解决现有技术中的问题，避免玻璃破裂，同时便于安装。
本发明提供了一种薄膜光伏组件的背挂式安装总成，所述安装总成包括：
断面为L形的背挂钩板，包括横板和竖板，所述横板与光伏组件固定连接；
固定梁，包括底板和固定在所述底板上、且对置的一对边板，所述底板用于与屋顶固定连接；
紧固件，穿过所述竖板和一对所述边板，将所述背挂钩板与所述固定 梁固定连接。
如上所述的薄膜光伏组件的背挂式安装总成，其中，优选的是，所述横板与所述光伏组件之间通过结构胶固定连接。
如上所述的薄膜光伏组件的背挂式安装总成，其中，优选的是，还包括斜梁，所述底板固定在所述斜梁上，所述斜梁用于与屋顶固定连接。
如上所述的薄膜光伏组件的背挂式安装总成，其中，优选的是，还包括立柱，所述立柱的顶端与所述斜梁远离所述底板的一侧固定连接，所述立柱的底端与屋顶固定连接。
如上所述的薄膜光伏组件的背挂式安装总成，其中，优选的是，所述背挂钩板的材质为铝合金。
如上所述的薄膜光伏组件的背挂式安装总成，其中，优选的是，所述背挂钩板的数量是两个，两个背挂钩板相互垂直或相互平行。
如上所述的薄膜光伏组件的背挂式安装总成，其中，优选的是，所述背挂钩板上设置有安装孔，所述紧固件为螺栓，所述螺栓与所述安装孔相配合，并通过紧固螺母锁紧。
如上所述的薄膜光伏组件的背挂式安装总成，其中，优选的是，所述安装孔为尺寸为M8的螺孔。
如上所述的薄膜光伏组件的背挂式安装总成，其中，优选的是，每个背挂钩板上设置有两个所述安装孔。
如上所述的薄膜光伏组件的背挂式安装总成，其中，优选的是，所述固定梁为断面为C字形的C型钢。
本发明提供的薄膜光伏组件的背挂式安装总成，设置有断面为L形的背挂钩板，一面与玻璃背板固定连接，另一面通过紧固件与固定梁固定连接，再通过固定梁与屋顶连接，从而实现了光伏组件在屋顶的安装。与现有技术相比，避免了对玻璃的损坏，另外其结构简单，安装较为便利。
附图说明
图1为本发明实施例提供的薄膜光伏组件的背挂式安装总成的结构示意图；
图2为本发明实施例提供的薄膜光伏组件的背挂式安装总成的结构主 视图；
图3为图2中的A处放大图；
图4为本发明实施例提供的薄膜光伏组件的背挂式安装总成的整体示意图；
图5为背挂钩板与玻璃背板的连接示意图。
附图标记说明：
1-玻璃背板 2-背挂钩板 21-横板 22-竖板 3-固定梁 31-底板 32-边板 4-紧固件 5-结构胶 6-斜梁 7-立柱
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能解释为对本发明的限制。
如图1至图3所示，本发明实施例提供了一种薄膜光伏组件的背挂式安装总成，用于固定光伏组件，该光伏组件包括依次叠置的玻璃背板1、薄膜太阳能电池芯片和玻璃顶板。图1仅示例性地示出了玻璃背板1，实际上，薄膜太阳能电池芯片和玻璃顶板依次叠置在玻璃背板1上，形成双玻组件。本领域技术人员可以理解的是，本实施例提供的安装总成并不限于使用在双玻组件上，其目的是避免对玻璃背板1的直接夹持，因此，该安装总成的适用范围较大，并不限于本实施例中提及的双玻组件，在此仅以双玻组件为例进行说明。
该安装总成包括背挂钩板2、固定梁3和紧固件4，其中，背挂钩板2的断面为L形，包括横板21和竖板22，横板21与上述光伏组件固定连接，具体为光伏组件中的玻璃背板1固定连接。固定梁3包括底板31和固定在底板31上、且对置的一对边板32，底板31用于与屋顶固定连接。紧固件4穿过上述竖板22和一对边板32，将背板挂钩和固定梁3固定连接。
一并参考图2及图3，本发明实施例提供的薄膜光伏组件的背挂式安装总成，设置有断面为L形的背挂钩板2，一面与玻璃背板1固定连接，另一面通过紧固件4与固定梁3固定连接，再通过固定梁3与屋顶连接， 从而实现了光伏组件在屋顶的安装。与现有技术相比，避免了对玻璃的损坏，另外其结构简单，安装较为便利。并且在设置时，安装总成在出厂时双玻组件与背挂钩板2是一个整体，即背挂钩板2与双玻组件在工厂内进行组装，背挂钩板2的位置及尺寸都可以严格控制。因此，背挂钩板2安装在固定梁3上时，整个安装总成的整体荷载及平整度将比较高，保证了整个双玻组件的稳定性，而现有技术中采用的夹具安装时，夹具相对于组件是可以移动的，在安装过程中很难保证夹具位置的准确性，使得整个组件受力不均匀，容易导致双玻组件破碎，尤其在遇到恶劣天气时，更容易出现损坏，造成严重损失。
优选的是，背挂钩板2与玻璃背板1之间通过结构胶5固定连接。可以理解的是，背挂钩板2也可以通过铆接、螺接或其他方式与玻璃背板1固定连接。在一个具体的实施方案中，采用结构胶5将背挂钩板2与玻璃背板1固定连接，在采用结构胶5时，该结构胶5具有强度高，能承受较大荷载的优点，并且耐老化、耐疲劳、耐腐蚀，在结构胶5的预期寿命内性能稳定，并且能够承受强力的结构件粘接，从而使得背挂钩板2与玻璃背板1之间的连接比较牢固。在具体设置结构胶5时，结构胶5的面积大于背挂钩板2的单面，即结构胶5与玻璃背板1的粘接面积大于横板21的面积，在采用这种设置方式时，不仅保证了结构胶5在粘贴时的牢固性，而且彻底隔绝双玻组件与金属(背挂钩板2)接触，从而能够有效预防组件的PID效应，而现有技术中采用的夹具安装设计夹具过多，很难避免组件与金属接触。
在采用背挂钩板2时，该背挂钩板2支撑在玻璃背板1背离玻璃顶板的表面上，此时，背挂钩板2不仅仅作为一个连接件，同时还作为玻璃背板1的一个支撑件，以保证双玻组件的机械强度。如图3及图5所示，背挂钩板2具有一定的长度与宽度，从而可以给玻璃背板1很好的支撑强度，改善在玻璃背板1尺寸过大时出现中间凹陷的情况。在具体设置时，该背挂钩板2的长度方向可以与玻璃背板1的单边平行或者垂直，当然也可以采用其他的呈一定角度的方式设置，从而提高对玻璃背板1的支撑效果。而现有技术中的夹具安装在双玻组件边缘，造成整个双玻组件的中间部位支撑效果较差，组件中部会出现微微下凹现象，使得整个装置稳定性较差。
进一步地，本实施例提供的安装总成还包括斜梁6，上述固定梁3的底板31固定在斜梁6上，在具体固定时，该固定量3通过螺栓紧固到斜梁6上，该斜梁6用于与屋顶固定连接，从而将整个安装总成固定在屋顶上。其中，固定梁3可以采用断面为C字形的C型钢，底板31和一对边板32为一个结构并形成C字形结构。在边板32远离底板31的端部还可以设置有折板，使固定梁3形成断面为向内收口的形状，从而提高了固定梁3的安装稳定性。
具体地，可以在背挂钩板2上设置有安装孔，安装孔可以是尺寸为M8的螺孔，每个背挂钩板2上设置有两个上述安装孔，还可以根据需要调整安装孔的个数，以提高整个安装总成在组装后的稳定性。在具体连接背挂钩板2与固定梁3时，采用的紧固件4为螺栓，螺栓与安装孔相配合，并通过紧固螺母锁紧。当然，还可以采用其他常见的连接件固定连接背挂钩板2与固定梁3，在此不再一一赘述。
背挂钩板2的数量可以根据光伏组件的大小来设定，本实施例中，背挂钩板2的数量是两个，两个背挂钩板2相互垂直或相互平行，以提高光伏组件的安装强度，在具体设置时，如图2中所示，背挂钩板2的长度方向与玻璃背板1的单边长度方向平行或垂直。背挂钩板2的材质可以是铝合金，从而使安装结构轻量化，并且为了提高背挂钩板2在支撑时的可靠性，该背挂钩板2的横板21及竖板22为一体结构，即整个背挂钩板2为一个L形的铝合金板。并且，在采用铝合金板时，该铝合金板具有抗腐蚀性，放置在空气中时，背挂钩板2的表面可以形成致密的氧化铝保护层，从而防止背挂钩板2的进一步氧化，提高了背挂钩板2的化学稳定性。而且，铝合金在低温环境中的强度增强，从而可以使得背挂钩板2可以满足支撑强度的要求，尤其是在寒冷天气时，提高了在支撑时的可靠性。此外，该背挂钩板2在采用铝合金材质时，能够更好的传导光伏***中各种原因所产生的弱电流，提高整个安装总成的安全性。
如图4所示，在上述实施例的基础上，本发明实施例提供的薄膜光伏组件的背挂式安装总成还包括立柱7，立柱7的顶端与斜梁6远离底板31的一侧固定连接，立柱7的底端与屋顶固定连接。立柱7与斜梁6之间可以通过支架固定连接，通过设置立柱7将光伏组件撑起一定的高度，并通 过斜梁6的设置使光伏组件倾斜一定的角度，从而更好地吸收光照，提高了电能的转化效率。
以上依据图式所示的实施例详细说明了本发明的构造、特征及作用效果，以上所述仅为本发明的较佳实施例，但本发明不以图面所示限定实施范围，凡是依照本发明的构想所作的改变，或修改为等同变化的等效实施例，仍未超出说明书与图示所涵盖的精神时，均应在本发明的保护范围内。

Claims (10)

  1. 一种薄膜光伏组件的背挂式安装总成，其特征在于，包括：
    断面为L形的背挂钩板，包括横板和竖板，所述横板与光伏组件固定连接；
    固定梁，包括底板和固定在所述底板上、且对置的一对边板，所述底板用于与屋顶固定连接；
    紧固件，穿过所述竖板和一对所述边板，将所述背挂钩板与所述固定梁固定连接。
  2. 根据权利要求1所述的薄膜光伏组件的背挂式安装总成，其特征在于，所述横板与所述光伏组件之间通过结构胶固定连接。
  3. 根据权利要求1所述的薄膜光伏组件的背挂式安装总成，其特征在于，还包括斜梁，所述底板固定在所述斜梁上，所述斜梁用于与屋顶固定连接。
  4. 根据权利要求3所述的薄膜光伏组件的背挂式安装总成，其特征在于，还包括立柱，所述立柱的顶端与所述斜梁远离所述底板的一侧固定连接，所述立柱的底端与屋顶固定连接。
  5. 根据权利要求1-4任一项所述的薄膜光伏组件的背挂式安装总成，其特征在于，所述背挂钩板的材质为铝合金。
  6. 根据权利要求5所述的薄膜光伏组件的背挂式安装总成，其特征在于，所述背挂钩板的数量是两个，两个背挂钩板相互垂直或相互平行。
  7. 根据权利要求1-4任一项所述的薄膜光伏组件的背挂式安装总成，其特征在于，所述背挂钩板上设置有安装孔，所述紧固件为螺栓，所述螺栓与所述安装孔相配合，并通过紧固螺母锁紧。
  8. 根据权利要求7所述的薄膜光伏组件的背挂式安装总成，其特征在于，所述安装孔为尺寸为M8的螺孔。
  9. 根据权利要求8所述的薄膜光伏组件的背挂式安装总成，其特征在于，每个背挂钩板上设置有两个所述安装孔。
  10. 根据权利要求1-4任一项所述的薄膜光伏组件的背挂式安装总成，其特征在于，所述固定梁为断面为C字形的C型钢。
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