CN113131838A - Cadmium telluride power generation glass applied to BIPV - Google Patents

Cadmium telluride power generation glass applied to BIPV Download PDF

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Publication number
CN113131838A
CN113131838A CN202110398775.9A CN202110398775A CN113131838A CN 113131838 A CN113131838 A CN 113131838A CN 202110398775 A CN202110398775 A CN 202110398775A CN 113131838 A CN113131838 A CN 113131838A
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CN
China
Prior art keywords
cadmium telluride
back frame
power generation
glass
bipv
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Granted
Application number
CN202110398775.9A
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Chinese (zh)
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CN113131838B (en
Inventor
彭寿
潘锦功
傅干华
孙庆华
李�浩
杨超
蒋猛
赵雷
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Cnbm Chengdu Optoelectronic Materials Co ltd
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Cnbm Chengdu Optoelectronic Materials Co ltd
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Priority to CN202110398775.9A priority Critical patent/CN113131838B/en
Publication of CN113131838A publication Critical patent/CN113131838A/en
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Publication of CN113131838B publication Critical patent/CN113131838B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00Structural details of PV modules other than those related to light conversion
    • H02S30/10Frame structures
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88Curtain walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88Curtain walls
    • E04B2/96Curtain walls comprising panels attached to the structure through mullions or transoms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88Curtain walls
    • E04B2/96Curtain walls comprising panels attached to the structure through mullions or transoms
    • E04B2/965Connections of mullions and transoms
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/20Supporting structures directly fixed to an immovable object
    • H02S20/22Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/26Building materials integrated with PV modules, e.g. façade elements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/34Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

The invention discloses cadmium telluride power generation glass applied to BIPV (building integrated photovoltaics), which comprises cadmium telluride power generation glass, wherein the back surface of the cadmium telluride power generation glass is provided with a first back frame and a second back frame, the first back frames are arranged on four corners of the back surface of the cadmium telluride power generation glass, the first back frame on each corner is arranged in an L shape, and the second back frame is arranged in the middle of the back surface of the cadmium telluride power generation glass in a crossed manner; the junction box of the cadmium telluride power generation glass is a split junction box and is arranged on two sides of the cadmium telluride power generation glass. The invention solves the problems that in the field of BIPV (building integrated photovoltaic) of the power generation glass, the junction box and the bus bar cannot be well hidden, the engineering installation effect is influenced, and the power generation glass is easy to break and deform during engineering installation.

Description

Cadmium telluride power generation glass applied to BIPV
Technical Field
The invention relates to cadmium telluride power generation glass applied to BIPV.
Background
BIPV is Building Integrated Photovoltaic (PV). BIPV technology is a technology that integrates solar power (photovoltaic) products into buildings. The cadmium telluride power generation glass is a photovoltaic device formed by sequentially depositing a plurality of layers of semiconductor films on a glass substrate on the basis of a heterojunction of p-type CdTe and n-type CdS, has high photoelectric conversion efficiency, has very typical glass building material characteristics, is an intelligent novel green power generation building material, and has irreplaceable advantages in the field of Building Integrated Photovoltaics (BIPV).
In the application of a photovoltaic curtain wall and a light-transmitting component, a single junction box is usually used in a junction box of the traditional cadmium telluride generating glass, the junction box is positioned in the middle of the photovoltaic component, and the junction box and a bus bar cannot be well hidden, so that the installation effect of engineering is directly influenced.
At present, the mainstream cadmium telluride generating glass is mostly of a structure without a back frame, the back frame needs to be installed on site, and the construction is inconvenient and the breakage rate is high. The existing back frame structure applied to power generation glass in the curtain wall industry is mostly square and is installed at the edge of the power generation glass, for example, the content of a glass auxiliary frame of an energy-saving daylighting roof disclosed in patent CN 201320353735.3, the back frame of the structure can only be applied to the curtain wall industry, when the back frame is applied to a ground power station, because the ground power station has a snow load condition, the load of the square back frame is insufficient and cannot be used, and therefore the application range of the square back frame is limited. And because traditional square back of body frame only installs at the edge of electricity generation glass, support around electricity generation glass, do not support glass inside, also cause easily that the glass warp when the installation to influence pleasing to the eye, increase broken risk.
Disclosure of Invention
In view of the above, aiming at the defects of the prior art, the invention provides cadmium telluride power generation glass applied to BIPV, so as to solve the problems that in the field of BIPV, a junction box and a bus bar cannot be well hidden, the engineering installation effect is influenced, and the power generation glass is easy to break and deform during engineering installation.
In order to solve the technical problems, the technical scheme of the invention provides cadmium telluride power generation glass applied to BIPV, which comprises the cadmium telluride power generation glass, wherein the back surface of the cadmium telluride power generation glass is provided with a first back frame and a second back frame, the first back frame is arranged on four corners of the back surface of the cadmium telluride power generation glass, the first back frame on each corner is arranged in an L shape, and the second back frame is arranged in the middle of the back surface of the cadmium telluride power generation glass in a crossed manner; the junction box of the cadmium telluride power generation glass is a split junction box and is arranged on two sides of the cadmium telluride power generation glass.
Further, first back of the body frame includes back of the body frame main part and with the anticreep board of back of the body frame parallel connection and the perpendicular protection shield of being connected of back of the body frame main part, the tip of anticreep board sets up the anticreep head. The anti-drop plate is used for matching with the fixed pressing plate during installation of the curtain wall to prevent the position from moving during installation; the protection shield is used for protecting cadmium telluride electricity generation glass assembly, effectively protects electricity generation glass's edge, takes place the breakage of colliding with when preventing glass transport.
Furthermore, a square groove is formed in the back frame main body of the first back frame, so that the first back frame and the second back frame are connected with each other.
Preferably, the end of the second back frame is provided with a buckle, and the buckle is connected with the square groove of the back frame main body of the first back frame, so that the first back frame and the second back frame are tightly connected, the first back frame and the second back frame are integrated, and the structure is more stable. The buckle and the square groove are connected in a manner, so that the structure is firm and is not easy to fall off.
Furthermore, the second back frame is provided with a mounting hole for mounting of a ground power station.
Preferably, the first back frame and the second back frame are bonded to the back surface of the cadmium telluride power generation glass through silicone structural adhesive. The silicone structural adhesive has the advantages of firm and stable adhesion.
Preferably, the first back frame and the second back frame are made of aluminum alloy materials. The aluminum alloy material has the advantages of low density, good formability and beautiful appearance.
Compared with the prior art, the invention has the advantages that:
according to the cadmium telluride generating glass applied to BIPV, the junction box adopts the split type junction box, so that the junction box can be arranged on two sides of the glass assembly, the junction box and the bus bar are well hidden in the mounting bracket, the appearance of the generating glass is more attractive and concise, and the mounting effect of engineering is improved; compared with the existing structure without the back frame, the back frame is convenient for installation and construction of engineering, and the glass crushing risk of back frame installation during construction is reduced; compared with the traditional curtain wall installation, the integral structure of the first back frame and the second back frame has the advantages that the structural support of the second back frame is added, so that glass is not easy to deform, and the risk of breakage is reduced; compared with the structure of the square back frame in the prior art, the first back frame is arranged in an L shape at four corners of the glass, so that the use of back frame materials and fixing glue is saved, the back frame is convenient to mount on the back of the glass, the supporting effect on components is greatly enhanced due to the fact that the second back frame of the cross structure supports the inner side of the glass, the traditional structure can only resist the pressure test of 3600pa through a mechanical load test, the invention can resist the pressure test of more than 9600pa, and can be effectively applied to mounting scenes with possible heavy snow, two mounting occasions of a curtain wall and a ground power station can be realized, and the application range of the cadmium telluride generating glass is expanded.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the first back frame of the present invention;
FIG. 3 is a cross-sectional view of a second back frame according to the present invention;
FIG. 4 is a schematic view of the installation of the curtain wall of the present invention.
The labels in the figure are:
1-cadmium telluride generating glass, 2-a first back frame, 3-a second back frame, 4-a split type junction box, 5-silicone structural adhesive, 6-curtain wall keel, 7-a fixed pressing plate, 71-an anti-drop groove and 8-a fixed screw;
21-a back frame main body, 22-an anti-falling plate, 221-an anti-falling head, 23-a protection plate and 24-a square groove; 31-snap, 32-mounting hole.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the invention provides cadmium telluride power generation glass applied to BIPV, which comprises cadmium telluride power generation glass 1, wherein the back surface of the cadmium telluride power generation glass 1 is provided with a first back frame 2 and a second back frame 3, the first back frame 2 is arranged on four corners of the back surface of the cadmium telluride power generation glass, the first back frame on each corner is arranged in an L shape, and the second back frame 3 is arranged in the middle of the back surface of the cadmium telluride power generation glass in a crossed manner; the junction box of the cadmium telluride power generation glass is a split junction box 4 and is arranged on two sides of the cadmium telluride power generation glass. Preferably, the first back frame 2 and the second back frame 3 are fixedly bonded to the back surface of the cadmium telluride power generation glass through silicone structural adhesive 5, and the silicone structural adhesive has the advantage of firm and stable bonding. Preferably, the first back frame 2 and the second back frame 3 are made of aluminum alloy materials, and the aluminum alloy materials have the advantages of being small in density, good in formability and attractive in appearance.
Further, referring to fig. 2, the first back frame 2 includes a back frame main body 21, a separation preventing plate 22 connected in parallel with the back frame main body, and a protecting plate 23 connected perpendicular to the back frame main body, wherein a separation preventing head 221 is provided at an end of the separation preventing plate 22, and a square groove 24 is provided inside the back frame main body.
Further, referring to fig. 3, the end of the second back frame 3 is provided with a buckle 31, and the buckle 31 is connected with the square groove 24 of the back frame main body of the first back frame, so that the first back frame and the second back frame are tightly connected, the first back frame and the second back frame are integrated, and the structure is more stable.
When the cadmium telluride power generation glass is applied to curtain wall installation, referring to fig. 4, a first back frame is fixed on a curtain wall keel 6 through a fixed pressing plate 7, which specifically comprises the following steps: the fixed pressing plate 7 is pressed on the anti-falling plates 22 of the first back frames of the two adjacent power generation glass, the fixed screws 8 lock the anti-falling plates on the curtain wall keels 6, and the anti-falling heads 221 at the end parts of the anti-falling plates 22 are used for being matched with the anti-falling grooves 71 of the fixed pressing plate 7 to prevent the position change of the first back frames and the whole power generation glass. And be provided with mounting hole 32 on the second back of the body frame, when being applied to ground power station installation, only need with the mounting hole 32 and the photovoltaic support of second back of the body frame pass through the screw lock solid can, simple to operate.
According to the cadmium telluride generating glass applied to BIPV, the junction box adopts the split type junction box, so that the junction box can be arranged on two sides of the glass assembly, the junction box and the bus bar are well hidden in the mounting bracket, the appearance of the generating glass is more attractive and concise, and the mounting effect of engineering is improved; compared with the existing structure without the back frame, the back frame is convenient for installation and construction of engineering, and the glass crushing risk of back frame installation during construction is reduced; compared with the traditional curtain wall installation, the integral structure of the first back frame and the second back frame has the advantages that the structural support of the second back frame is added, so that glass is not easy to deform, and the risk of breakage is reduced; compared with the structure of the square back frame in the prior art, the first back frame is arranged in an L shape at four corners of the glass, so that the use of back frame materials and fixing glue is saved, the back frame is convenient to mount on the back of the glass, the supporting effect on components is greatly enhanced due to the fact that the second back frame of the cross structure supports the inner side of the glass, the traditional structure can only resist the pressure test of 3600pa through a mechanical load test, the invention can resist the pressure test of more than 9600pa, and can be effectively applied to mounting scenes with possible heavy snow, two mounting occasions of a curtain wall and a ground power station can be realized, and the application range of the cadmium telluride generating glass is expanded.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A cadmium telluride power generating glass applied to BIPV comprises the cadmium telluride power generating glass, and is characterized in that: the back surface of the cadmium telluride generating glass is provided with a first back frame and a second back frame, the first back frame is arranged on four corners of the back surface of the cadmium telluride generating glass, the first back frame on each corner is arranged in an L shape, and the second back frame is arranged in the middle of the back surface of the cadmium telluride generating glass in a crossed manner; the junction box of the cadmium telluride power generation glass is a split junction box and is arranged on two sides of the cadmium telluride power generation glass.
2. A cadmium telluride power generating glass as in claim 1 applied to BIPV wherein: first back of the body frame is including back of the body frame main part and with back of the body frame main part parallel connection's anticreep board and with the perpendicular protection shield of being connected of back of the body frame main part, the tip of anticreep board sets up the anticreep head.
3. A cadmium telluride power generating glass as in claim 2 applied to BIPV wherein: the inside of back of the body frame is provided with the square groove.
4. A cadmium telluride power generating glass as in claim 1 applied to BIPV wherein: the four ends of the second back frame are respectively provided with a buckle, and the buckles are connected with the square grooves of the first back frame.
5. A cadmium telluride power generating glass as in claims 1 or 4 applied to BIPV wherein: and the second back frame is provided with a mounting hole.
6. A cadmium telluride power generating glass as in claim 1 applied to BIPV wherein: the first back frame and the second back frame are bonded to the back surface of the cadmium telluride power generation glass through silicone structural adhesive.
7. A cadmium telluride power generating glass as in claim 1 applied to BIPV wherein: the first back frame and the second back frame are made of aluminum alloy materials.
CN202110398775.9A 2021-04-13 2021-04-13 Cadmium telluride power generation glass applied to BIPV Active CN113131838B (en)

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CN113131838B CN113131838B (en) 2023-10-03

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Cited By (1)

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CN113659920A (en) * 2021-08-10 2021-11-16 正兴建设集团股份有限公司 Photovoltaic curtain wall power supply system

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CN111162729A (en) * 2019-10-12 2020-05-15 成都中建材光电材料有限公司 Large-area spliced solar module
CN110616833A (en) * 2019-10-28 2019-12-27 安徽天柱绿色能源科技有限公司 Photovoltaic curtain wall node fixing structure
CN211508970U (en) * 2019-12-18 2020-09-15 浙江芯能光伏科技股份有限公司 Frameless photovoltaic assembly combined mounting structure
CN212413107U (en) * 2020-05-20 2021-01-26 成都中建材光电材料有限公司 Large-area cadmium telluride power generation glass frame
CN112532160A (en) * 2020-12-03 2021-03-19 马鞍山昌亚智能科技有限公司 Solar cell panel mounting rack
CN114182891A (en) * 2021-12-13 2022-03-15 浙江东南网架股份有限公司 Novel daylighting top film photovoltaic roof panel and connecting device thereof

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CN113659920A (en) * 2021-08-10 2021-11-16 正兴建设集团股份有限公司 Photovoltaic curtain wall power supply system

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