CN110190803B - Photovoltaic tile and photovoltaic building surface - Google Patents

Photovoltaic tile and photovoltaic building surface Download PDF

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Publication number
CN110190803B
CN110190803B CN201910511916.6A CN201910511916A CN110190803B CN 110190803 B CN110190803 B CN 110190803B CN 201910511916 A CN201910511916 A CN 201910511916A CN 110190803 B CN110190803 B CN 110190803B
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Prior art keywords
photovoltaic
photovoltaic tile
connecting piece
laminate
tile
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CN201910511916.6A
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CN110190803A (en
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刘松民
朱强忠
张圣成
吕俊
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Taizhou Longi Solar Technology Co Ltd
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Taizhou Lerri Solar Technology Co Ltd
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    • 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
    • H01L31/048—Encapsulation of modules
    • 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
    • H02S20/25—Roof tile elements
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Finishing Walls (AREA)

Abstract

The application discloses photovoltaic tile and photovoltaic building surface. A photovoltaic tile includes a laminate; the lamination comprises a first side surface and a second side surface which are positioned at two sides of the lamination, and a first end surface and a second end surface which are positioned at two ends of the lamination; a first connecting piece is fixed on the edge of the back surface of the laminating piece close to the first side surface, and a second connecting piece is fixed on the edge of the back surface of the laminating piece close to the second side surface; the first connecting piece and the second connecting piece do not exceed the plane of the back surface of the laminated piece; the first connecting piece is provided with a clamping groove, and the second connecting piece is provided with a clamping block matched with the clamping groove of the adjacent photovoltaic tile. The photovoltaic building surface is composed of a plurality of photovoltaic tiles, and the appearance consistency of the photovoltaic building surface is improved.

Description

Photovoltaic tile and photovoltaic building surface
Technical Field
The invention relates to the photovoltaic field, in particular to the photovoltaic building field, and particularly relates to a photovoltaic tile and a photovoltaic building surface.
Background
At present, photovoltaic power generation technology is more and more popularized, power generation cost is rapidly reduced, building integrated photovoltaic is an important field of photovoltaic power generation application and a key development direction of photovoltaic application, wherein a roof is an important scene of photovoltaic module application.
Among the prior art, through the structural modeling of frame, realize interconnect and roofing waterproof between the subassembly, but frame and glass are not same kind of material, and the outward appearance uniformity effect is relatively poor.
Disclosure of Invention
In view of the above-mentioned drawbacks or deficiencies in the prior art, it is desirable to provide a photovoltaic tile and a photovoltaic building surface with good uniformity of appearance.
In a first aspect, the photovoltaic tile of the present invention comprises a laminate; the laminate comprises first and second sides on either side of the laminate and first and second end faces on either end of the laminate;
a first connecting piece is fixed on the edge of the back surface of the laminated piece close to the first side surface, and a second connecting piece is fixed on the edge of the back surface of the laminated piece close to the second side surface; the first connecting piece and the second connecting piece do not exceed the plane of the back surface of the laminated piece;
the photovoltaic tile fixing device is characterized in that a clamping groove is formed in the first connecting piece, and a clamping block matched with the clamping groove of the adjacent photovoltaic tile is arranged on the second connecting piece.
In a second aspect, the photovoltaic building surface of the present invention is comprised of a plurality of photovoltaic tiles;
along the lateral direction of the photovoltaic tile, the adjacent photovoltaic tile is clamped with the clamping block of the other photovoltaic tile through the clamping groove of one photovoltaic tile; along the end direction of the photovoltaic tile, the adjacent photovoltaic tiles are mutually overlapped.
According to the technical scheme that this application embodiment provided, through set up first connecting piece and second connecting piece respectively at the back of photovoltaic tile, first connecting piece is provided with the draw-in groove, the second connecting piece is provided with the fixture block, the fixture block and another draw-in groove joint of a photovoltaic tile in two adjacent photovoltaic tiles fix these two photovoltaic tiles, do not need to connect through the structural modeling of frame between two adjacent photovoltaic tiles, the outward appearance uniformity of photovoltaic building face has been improved, can hug closely two adjacent photovoltaic tiles each other, the gap between the photovoltaic tile has been reduced, the water-proof effects of photovoltaic building face has been improved, can solve the poor problem of current photovoltaic building face outward appearance uniformity.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic side view of a photovoltaic tile according to an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of a photovoltaic tile according to an embodiment of the present invention at a second connection;
FIG. 3 is an enlarged partial schematic view of a photovoltaic tile according to an embodiment of the present invention at a first connection;
fig. 4 is a schematic structural diagram of the matching of two photovoltaic tile concealed frames according to the embodiment of the present invention;
FIG. 5 is a schematic structural view of the two photovoltaic tiles of the embodiment of the present invention with half hidden frames;
fig. 6 is a schematic perspective view of a photovoltaic tile according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a fully concealed frame photovoltaic building panel according to an embodiment of the present invention;
fig. 8 is a partially enlarged schematic view of a photovoltaic tile lap of a fully concealed frame photovoltaic building face according to an embodiment of the present invention;
fig. 9 is a schematic perspective view of a semi-hidden frame photovoltaic building surface according to an embodiment of the present invention;
fig. 10 is an enlarged partial schematic view of a photovoltaic tile lap of a semi-hidden frame photovoltaic building face according to an embodiment of the invention;
fig. 11 is a schematic structural view of a photovoltaic building surface and battens in accordance with an embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-4 and 6-7, one embodiment of the present invention is a photovoltaic tile comprising a laminate 10; the laminate 10 comprises a first side 11 and a second side 12 on both sides of the laminate, and a first end face 13 and a second end face 14 at both ends of the laminate;
a first connector 20 is fixed on the edge of the back surface of the laminated piece 10 close to the first side surface 11, and a second connector 30 is fixed on the edge of the back surface of the laminated piece 10 close to the second side surface 12; neither the first joining member 20 nor the second joining member 30 exceeds the plane of the back surface of the laminate 10;
the first connecting piece 20 is provided with a clamping groove 21, and the second connecting piece 30 is provided with a clamping block 31 matched with the clamping groove 21 of the adjacent photovoltaic tile.
The side of the laminated piece of the photovoltaic tile facing the sunlight is the front side, and the side facing away from the sunlight is the back side; the lateral direction of the lamination piece is the left-right splicing direction (direction indicated by 61 in fig. 7) of the photovoltaic tiles, namely, the adjacent lamination pieces are spliced together in the same plane by the left-right adjacent photovoltaic tiles through the clamping grooves and the clamping blocks; the end direction of the laminated piece is the front-back lapping direction (the direction indicated by 62 in fig. 7) of the photovoltaic tiles, namely, the back end of the front photovoltaic tile is lapped on the front end of the back photovoltaic tile; the photovoltaic tiles in front and back are not in the same plane.
In the embodiment of the invention, the first connecting piece and the second connecting piece are arranged on the back surface of the laminated piece, but not only can the first connecting piece be bonded with the back surface of the laminated piece through silica gel, structural adhesive and the like, but also the second connecting piece is bonded with the back surface of the laminated piece through silica gel, structural adhesive and the like, so that rainwater can be prevented from penetrating into gaps between the first connecting piece and the laminated piece and between the second connecting piece and the laminated piece, and the waterproof effect of the photovoltaic tile is improved.
The first connecting piece is provided with a clamping groove, the second connecting piece is provided with a clamping block, when the photovoltaic tile is installed, the clamping block of one photovoltaic tile is clamped with the clamping groove of another photovoltaic tile adjacent to the side direction, and the clamping of the clamping block and the clamping groove can be realized not only for placing the clamping block into the clamping groove. Certainly, the first clamping hook and the second clamping hook can be arranged on the clamping groove, when the clamping block is clamped with the clamping groove, the first clamping hook and the second clamping hook are clamped with each other to fix the clamping block and the clamping groove, the strength of the photovoltaic building surface is further improved, and the wind resistance level of the photovoltaic building surface is increased.
The fixture block is arranged on the second connecting piece corresponding to the position of the clamping groove, namely adjacent photovoltaic tiles are fixed through the clamping groove and the fixture block in a clamping mode, the fixing structure is simple and reliable, field assembly is facilitated, and the mounting speed of the photovoltaic building surface is improved. Simultaneously, can be so that the lamination piece of adjacent photovoltaic tile is adjacent each other, the lamination piece can shelter from first connecting piece and second connecting piece, has promoted the outward appearance uniformity of photovoltaic building face. Meanwhile, the photovoltaic tiles are prevented from being connected through the structural modeling of the frame, and because the thermal expansion coefficient of the aluminum frame is larger than that of the glass, a certain gap needs to be reserved, the gap between the photovoltaic tiles can be reduced, rainwater permeating from the gap of the photovoltaic tiles into the interior of the photovoltaic building surface is reduced, and the waterproof performance of the photovoltaic building surface is improved.
The clamping groove can be a U-shaped groove, and the clamping block can be a rectangular clamping block.
Furthermore, the notch of draw-in groove 21 is towards the front of lamination piece 10, is convenient for fix these two photovoltaic tiles with the fixture block of a photovoltaic tile in two adjacent photovoltaic tiles with another draw-in groove joint, has improved assembly efficiency.
Further, the first connecting member 20 includes a first fixing portion 22 having a plate shape, and the first fixing portion 22 is fixedly connected to the back surface of the laminated member 10; the second connector 30 includes a second fixing portion 32 having a plate shape, and the second fixing portion 32 is fixedly connected to the rear surface of the laminate 10.
In the embodiment of the invention, the first fixing part can be not only arranged to be a cuboid, but also fixedly connected with the back surface of the laminating part, and can be not only adhered to the back surface of the laminating part through silica gel, structural adhesive and the like, and the first fixing part is fixed with the clamping groove, so that the connection strength of the first connecting part and the laminating part can be increased, the excessive concentration of stress at the joint of the first connecting part and the laminating part is avoided, and the reliability of the photovoltaic tile is improved.
The second fixed part can but not only set up to the cuboid, second fixed part and lamination piece back fixed connection, can nevertheless not only pass through silica gel for the second fixed part, structural glue etc. and the back bonding of lamination piece, the second fixed part is fixed with the fixture block, can increase the joint strength of second connecting piece and lamination piece, avoids the junction stress of second connecting piece and lamination piece to concentrate excessively, has improved the reliability of photovoltaic tile.
Referring to fig. 1, 2 and 4, further, the latch 31 is located in an orthographic projection range of the front surface of the laminated member 10, and the latch slot 21 is located outside the orthographic projection range of the front surface of the laminated member 10.
In the embodiment of the invention, the fixture block is positioned in the orthographic projection range of the front surface of the laminated part, the clamping groove is positioned outside the orthographic projection range of the front surface of the laminated part, and the distance between one side of the clamping groove facing the first side surface and the first side surface is greater than or equal to the distance between one side of the fixture block facing the second side surface and the second side surface, so that when the clamping grooves of two adjacent photovoltaic tiles are matched with the fixture block, interference is generated between the two photovoltaic tiles, and the photovoltaic building surface can be smoother. Simultaneously, the back of a photovoltaic tile can contact with the first fixed part of another photovoltaic tile, can reduce the clearance between the adjacent photovoltaic tile as far as, has improved the outward appearance uniformity of photovoltaic building face.
Further, one side of the first fixing portion 22 exposed out of the lamination member 10 is provided with a first water bar 23, and the first water bar 23 is located on one side of the first fixing portion 22 facing the lamination member 10.
The distance between the side of the first water bar 23 facing the first side surface 11 and the side of the clamping groove 21 facing the first side surface 11 is less than or equal to the distance between the side of the clamping block 31 facing the second side surface 12 and the second side surface 12.
In the embodiment of the invention, a fixing hole may be disposed on the first fixing portion, and the fixing portion of the first water bar is clamped in the fixing hole, so that the first water bar and the first fixing portion are fixed.
In two adjacent photovoltaic tiles, wherein the first fixed part of a photovoltaic tile is hugged closely with the back of another photovoltaic tile, first breakwater is located between the first fixed part and the photovoltaic tile back, first breakwater can reduce the possibility that the rainwater flows into the photovoltaic building face through the gap between the photovoltaic tiles, and simultaneously, the draw-in groove also can play waterproof effect, in the rainwater flowed into the draw-in groove beyond first breakwater, the draw-in groove can hold some rainwater, and, photovoltaic tile is the slope installation usually, the rainwater can discharge the photovoltaic building face through the water conservancy diversion of draw-in groove, the waterproof performance of photovoltaic building face has been improved.
Further, the first water bar 23 is provided with a serrated first water blocking portion 231 along a direction perpendicular to the first side surface 11.
In the embodiment of the invention, the plurality of first water retaining parts form a saw-tooth shape, so that the water retaining effect of the first water retaining strips can be improved, and the waterproof performance of the photovoltaic building surface is improved.
Referring to fig. 5, in another embodiment, the latch 31 is located outside the orthographic projection range of the front surface of the laminated member 10, the latch groove 21 is located outside the orthographic projection range of the front surface of the laminated member 10,
the side of the latch block 31 facing away from the second side surface 12 is provided with a second water blocking strip 33, or,
a second water blocking strip 33 is arranged on one side of the clamping groove 21, which faces away from the first side surface 11.
In the embodiment of the invention, the fixture block and the clamping groove can be exposed from the gap between two adjacent photovoltaic tiles, so that the fixture block and the clamping groove are conveniently clamped in the installation process, and the installation speed of a photovoltaic building surface can be improved. Set up the second water blocking strip on fixture block or draw-in groove, when two adjacent lamination piece joint cooperations, the second water blocking strip is located between fixture block and the draw-in groove, prevents that the rainwater from getting into inside the photovoltaic building face from the gap between fixture block and the draw-in groove. The second water retaining strip is arranged in the clamping groove for illustration, the connection mode of the clamping groove and the second water retaining strip is also suitable for the connection mode of the clamping block and the second water retaining strip, the fixing hole can be arranged in the clamping groove, and the fixing part of the second water retaining strip is clamped in the fixing hole, so that the water retaining strip and the clamping groove are fixed.
One side of the clamping block, which is back to the second side face, is provided with a second water retaining strip, the second water retaining strip can reduce the possibility that rainwater permeates into the interior of the photovoltaic building face through a gap between the clamping block and the clamping groove, meanwhile, the clamping groove can also play a waterproof role, when rainwater flows into the clamping groove through the first water retaining strip, the clamping groove can contain part of rainwater, and generally, the photovoltaic tiles are installed in an inclined mode, the rainwater can be discharged from the photovoltaic building face through the diversion of the clamping groove, and the waterproof performance of the photovoltaic building face is improved.
Further, the sum of the distance between the side of the slot 21 close to the first side surface 11 and the distance between the side of the latch 31 opposite to the second side surface 12 and the second side surface 12 is greater than the width of the second connecting member 30.
In the embodiment of the invention, when two photovoltaic tiles are in clamping fit through the first connecting piece and the second connecting piece, namely when the clamping block of one photovoltaic tile is in clamping fit with the clamping groove of the other photovoltaic tile, at the moment, a gap exists between the two photovoltaic tiles, when the photovoltaic tiles are lapped, the first connecting piece of a plurality of photovoltaic tiles with higher vertical positions can be clamped into the gap between a plurality of photovoltaic tiles with lower vertical positions, the thickness of a photovoltaic building surface at the lapping position of the photovoltaic tiles can be reduced, and the structure of the photovoltaic building surface is more compact.
Further, the second water blocking strip 33 is provided with a second water blocking part 331 having a saw-tooth shape along the width direction of the first side surface 11.
In the embodiment of the invention, the plurality of second water retaining parts form a saw-tooth shape, so that the water retaining effect of the second water retaining strips can be improved, and the waterproof performance of the photovoltaic building surface is improved.
Further, the slot 21 is disposed along the length direction of the first side surface 11, the length of the slot 21 is less than or equal to the length of the first side surface 11, the latch 31 is disposed along the length direction of the second side surface 12, and the length of the latch 31 is less than or equal to the length of the slot 21.
In the embodiment of the invention, the clamping groove is arranged along the length direction of the first side surface, and the clamping block is arranged along the length direction of the second side surface, so that the processing difficulty of the photovoltaic tile can be reduced, the field assembly is facilitated, and the assembly speed is increased.
Referring to fig. 7 and 8, further, there is a gap between the card slot 21 and the first end surface 13, and a gap between the card block 31 and the first end surface 13.
In the embodiment of the invention, when the photovoltaic tiles are installed into a photovoltaic building surface, generally, the first end surface of the upper photovoltaic tile is overlapped on the front surface of the overlapping edge of the lower photovoltaic tile, the second end surface of the lower photovoltaic tile is positioned in the photovoltaic building surface, the first end surface of the upper photovoltaic tile is positioned outside the photovoltaic building surface, a distance is formed between the clamping groove and the first end surface, a distance is formed between the clamping block and the first end surface, the interference of the clamping grooves of the two photovoltaic tiles at the overlapping position of the photovoltaic tiles is avoided, the thickness of the overlapping position of the adjacent photovoltaic tiles can be reduced, and the installation difficulty of the photovoltaic building surface is reduced.
Further, the distance between the side of the latch 31 facing the first end surface 13 and the first end surface 13 is equal to the distance between the side of the latch slot 21 facing the first end surface 13 and the first end surface 13, so that the latch slot 21 and the latch 31 are matched more closely.
Further, the edge of the front face of the laminate 10, which is adjacent to the second end face 14, is provided with a third water bar 40, or,
the edge of the back side of the laminate 10 near the first end face 13 is provided with a third water bar 40.
In the embodiment of the invention, the third water retaining strip is used for preventing rainwater from penetrating into the photovoltaic building surface from the overlapping part of two adjacent photovoltaic tiles, so that the waterproof performance of the photovoltaic building surface is further improved.
Further, the laminate 10 includes a front glass provided with a glaze-coated layer for shielding the first and second connectors 20 and 30, the glaze-coated layer being located in a non-lighting area of the front glass.
Further, the laminate 10 includes a back glass, which is colored glass.
In the embodiment of the invention, the laminated piece comprises the front glass and the back glass, the power generation efficiency of the photovoltaic building surface can be improved, meanwhile, the back glass is provided with the glaze coating layer, the glaze coating layer can block the first connecting piece and the second connecting piece on the back surface of the laminated piece, so that the photovoltaic building surface is more attractive, and the glaze coating layer is positioned in a non-lighting area of the front glass, so that the influence of the glaze coating layer on the power generation efficiency and the power generation amount of the laminated piece is avoided. The back glass is colored glass, and can present the photovoltaic building face of multiple colour. Of course, the front glass and the back glass may be both transparent glass, or the front glass may be provided with a glaze coating layer, and the back glass may be transparent glass, or the front glass may be transparent glass and the back glass may be colored glass. The front glass may be provided as a colored glass, but this case affects the efficiency of the assembly and the power generation amount.
Further, the longitudinal direction of the card slot 21 is parallel to the longitudinal direction of the first side surface 11.
In the embodiment of the invention, the clamping grooves and the clamping blocks of two adjacent photovoltaic tiles are conveniently clamped with each other, so that the assembling speed and the assembling efficiency are improved.
Another embodiment of the present invention is, with reference to fig. 1-11, a photovoltaic building surface comprised of a plurality of photovoltaic tiles;
along the lateral direction 61 of the photovoltaic tile, the adjacent photovoltaic tile is clamped with the clamping block 31 of another photovoltaic tile through the clamping groove 21 of one photovoltaic tile; adjacent photovoltaic tiles overlap each other along the end direction 62 of the photovoltaic tiles.
In the embodiment of the invention, in the lateral direction 61, the clamping block of one photovoltaic tile in two adjacent photovoltaic tiles is in clamping fit with the clamping groove of the other photovoltaic tile, and the two adjacent photovoltaic tiles are not connected with each other through the structural modeling of the frame, so that the appearance consistency of the photovoltaic building surface is improved, the two adjacent photovoltaic tiles can be tightly attached to each other, the gap between the photovoltaic tiles is reduced, and the waterproof effect of the photovoltaic building surface is improved.
In the end to 62, the higher photovoltaic tile's of vertical position first terminal surface overlap joint is on the lower photovoltaic tile of adjacent vertical position, can pass through bolt, screw or couple with the overlap edge that the photovoltaic tile is close to first terminal surface and fix on battens 50 to fixed photovoltaic tile improves the reliability and the bulk strength of photovoltaic building face.
Furthermore, the photovoltaic building surface is a photovoltaic roof or a photovoltaic curtain wall.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (11)

1. A photovoltaic tile comprising a laminate; the laminate comprises first and second sides on either side of the laminate and first and second end faces on either end of the laminate;
a first connecting piece is fixed on the edge of the back surface of the laminated piece close to the first side surface, a second connecting piece is fixed on the edge of the back surface of the laminated piece close to the second side surface, and the first connecting piece and the second connecting piece are arranged separately; the first connecting piece and the second connecting piece do not exceed the plane of the back surface of the laminated piece;
the photovoltaic tile fixing device is characterized in that a clamping groove is formed in the first connecting piece, a clamping block matched with the clamping groove of the photovoltaic tile is arranged on the second connecting piece, the clamping block is located in the front orthographic projection range of the laminating piece, the clamping groove is located outside the front orthographic projection range of the laminating piece, and therefore the photovoltaic tiles are adjacent to each other and pass through the clamping block and the clamping groove when the photovoltaic tiles are connected.
2. The photovoltaic tile of claim 1 wherein the notch of the card slot is directed toward the front face of the laminate.
3. The photovoltaic tile of claim 1, wherein the first connector comprises a first fastening portion in the form of a plate, the first fastening portion being fixedly connected to the back side of the laminate; the second connecting piece comprises a second fixing part in a plate shape, and the second fixing part is fixedly connected with the back surface of the laminated piece.
4. The photovoltaic tile according to claim 3, wherein the side of the first fixing portion exposed from the laminate is provided with a first water bar on the side of the first fixing portion facing the laminate;
the distance between one side of the first water bar facing the first side surface and one side of the clamping groove facing the first side surface is smaller than or equal to the distance between one side of the clamping block facing the second side surface and the second side surface.
5. The photovoltaic tile according to claim 4, wherein said first water bar is provided with a serrated first water retaining portion in a direction perpendicular to said first side surface.
6. The photovoltaic tile of claim 1, wherein a space exists between the notch and the first end surface, and a space exists between the latch and the first end surface.
7. A photovoltaic tile according to claim 6 wherein the edge of the front face of the laminate adjacent the second end face is provided with a third water barrier strip, or,
and a third water retaining strip is arranged on the edge of the back surface of the laminated piece close to the first end surface.
8. The photovoltaic tile according to claim 1, characterized in that said laminate comprises a front glass provided with a glazing layer for shielding said first and second connectors.
9. The photovoltaic tile of claim 1 wherein said laminate comprises a back glass, said back glass being a colored glass.
10. A photovoltaic building surface, characterized by consisting of a plurality of photovoltaic tiles according to any one of claims 1 to 9;
along the lateral direction of the photovoltaic tile, the adjacent photovoltaic tile is clamped with the clamping block of the other photovoltaic tile through the clamping groove of one photovoltaic tile; along the end direction of the photovoltaic tile, the adjacent photovoltaic tiles are mutually overlapped.
11. The photovoltaic building surface of claim 10, wherein the photovoltaic building surface is a photovoltaic roofing or a photovoltaic curtain wall.
CN201910511916.6A 2019-06-13 2019-06-13 Photovoltaic tile and photovoltaic building surface Active CN110190803B (en)

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