CN219592307U

CN219592307U - Photovoltaic BIPV assembly

Info

Publication number: CN219592307U
Application number: CN202320268877.3U
Authority: CN
Inventors: 罗丽珍; 李孟蕾; 赵东明; 肖平; 李晓磊; 高虎; 朱文哲
Original assignee: Huaneng Clean Energy Research Institute
Current assignee: Huaneng Clean Energy Research Institute
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-08-25
Anticipated expiration: 2033-02-08

Abstract

The utility model discloses a photovoltaic BIPV assembly, which comprises a photovoltaic tile and a tile track group, wherein the tile track group comprises a tile track, a track fastener and a support frame, the top surface of the tile track accommodates the photovoltaic tile, the track fastener is positioned on the bottom surface of the tile track, and the track fastener is connected with the support frame and another adjacent photovoltaic tile. The photovoltaic BIPV assembly provided by the utility model has the advantages of high installation strength and large effective area.

Description

Photovoltaic BIPV assembly

Technical Field

The utility model relates to the technical field of solar energy photovoltaics, in particular to a photovoltaic BIPV assembly.

Background

Building-photovoltaic integration (BIPV) is a building system in which a solar photovoltaic system is combined with a building, and a photovoltaic array is arranged on the sunlight surface of the building, thereby generating electric energy. The problems faced by BIPV are: 1. the adhesive is attached to the surface of a building, and has high requirements on the safety of the components; 2. the building group faces much shielding, and enhancing the shielding resistance of the BIPV module is one of the measures to ensure the safety of the module.

The matrix laminated assembly has excellent shielding resistance and flexibility, and the application of the matrix laminated assembly to the BIPV can greatly enhance the shielding resistance, safety and flexibility of the BIPV assembly. Problems with matrix laminate BIPV: 1. the degree of tightness of the installation; 2. the mechanical property and the safety of the lightweight roof photovoltaic integrated component structure are improved; 3. waterproof is needed, and the diversion edge strips are arranged, so that the utilization rate of the roof is reduced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. For this reason, embodiments of the present utility model provide a photovoltaic BIPV module having advantages of high installation strength and large effective area.

According to the photovoltaic BIPV assembly provided by the embodiment of the utility model, the photovoltaic BIPV assembly comprises a photovoltaic tile and a tile track group, wherein the tile track group comprises a tile track, a track fastener and a support frame, the top surface of the tile track accommodates the photovoltaic tile, the track fastener is positioned on the bottom surface of the tile track, and the track fastener is connected with the support frame and the photovoltaic tile of the adjacent other row.

The photovoltaic BIPV assembly provided by the embodiment of the utility model has the advantages of high installation strength and large effective area.

In some embodiments, the tile track includes a first stop, a second stop, and a support beam, the first stop and the second stop being located at two ends of the support beam, respectively.

In some embodiments, the first and second limiting members each have a limiting groove, the limiting groove openings of the first and second limiting members are opposite, and the notch width of the limiting groove is adapted to the thickness of the photovoltaic tile.

In some embodiments, the first stop and the second stop are equal in width, and the first stop has a width L.

In some embodiments, the staggered distance between each row of photovoltaic tiles and an adjacent row of photovoltaic tiles is M, M being equal to or greater than L.

In some embodiments, the tile track further comprises an auxiliary track connecting two adjacent support beams, the axial direction of the auxiliary track being perpendicular to the axial length of the support beams.

In some embodiments, the sum of the length N of the auxiliary rail and the width L of the first stop is equal to the length of the photovoltaic tile.

In some embodiments, a drain hole is provided on the second limiting member of the tile track, and the drain hole is flush with the supporting beam.

In some embodiments, the track fastener includes a first fastener and a second fastener, the first fastener and the second fastener being respectively connected with one end of the support beam, the first fastener being opposite the first stop with respect to the support beam, and the second fastener being opposite the second stop with respect to the support beam.

In some embodiments, the photovoltaic tile comprises a battery, an encapsulation layer and a tile frame, the tile frame surrounds the battery, the encapsulation layer is arranged at the top and the bottom of the battery, the battery comprises a plurality of first battery rows and a plurality of second battery rows, the first battery rows and the second battery rows are staggered in the column direction, the lower edge electrode of each first battery row is overlapped on the upper edge electrode of the adjacent second battery row, and the lower edge electrode of each second battery row is overlapped on the upper edge electrode of the adjacent first battery row.

Drawings

Fig. 1 is a schematic view of a photovoltaic tile structure of a photovoltaic BIPV module in accordance with an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a tile track set of a photovoltaic BIPV module in accordance with an embodiment of the present utility model.

Fig. 3 is a schematic view of the use of auxiliary rails of a photovoltaic BIPV module according to another embodiment of the present utility model.

Fig. 4 is a schematic perspective view of a photovoltaic BIPV module according to another embodiment of the present utility model.

Figure 5 is a schematic view of drainage apertures of a photovoltaic BIPV module according to another embodiment of the present utility model.

Fig. 6 is a schematic view of the use of photovoltaic BIPV modules between multiple rows of rails and multiple rows of photovoltaic tiles according to another embodiment of the present utility model.

Reference numerals: 1. photovoltaic tiles; 2. a first limiting member; 3. a second limiting piece; 4. a support beam; 5. an auxiliary rail; 6. a drain hole; 7. a first fastener; 8. a second fastener; 9. and (5) supporting frames.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A photovoltaic BIPV assembly according to embodiments of the present utility model, as shown in fig. 1 to 6, comprises a photovoltaic tile 1 and a tile track set comprising a tile track, a track fastener and a support frame 9, the top surface of the tile track receiving the photovoltaic tile 1, the track fastener being located on the bottom surface of the tile track, the track fastener being connected to the support frame 9 and to an adjacent further row of photovoltaic tiles 1. The photovoltaic tiles 1 are arranged in rows, the broadsides of the photovoltaic tiles 1 are mutually overlapped in the rows, the photovoltaic tiles 1 are connected with the adjacent photovoltaic tiles 1, the long sides of the photovoltaic tiles 1 between the row of the photovoltaic tiles 1 and the adjacent row of the photovoltaic tiles 1 are mutually adjacent, the row of the photovoltaic tiles 1 can be staggered with the adjacent row of the photovoltaic tiles 1 by a preset distance in the rows, and the height of each row of the photovoltaic tiles 1 is gradually reduced to adapt to the gradient of a roof. The photovoltaic tile 1 is fixed on the tile track group, the tile track is used for fixing the photovoltaic tile 1, the support frame 9 is arranged on a building and used for fixing the tile track group, the track fastener is used for fixing the tile track and the support frame 9, the stability of the photovoltaic tile 1 can be guaranteed, and the tile track is fixed at the joint between every two adjacent photovoltaic tiles 1 in a scattered manner. The tile frame can be the aluminum alloy frame, and the tile frame is straight frame, has cancelled the water conservancy diversion passageway, and the tile track plays the effect of water conservancy diversion passageway, has improved installation strength when saving mounting material, has reduced the area that areas such as water conservancy diversion passageway occupy and has improved luminous efficacy.

In some embodiments, as shown in fig. 1-2, the tile track includes a first stop 2, a second stop 3, and a support beam 4, the first stop 2 and the second stop 3 being located at two ends of the support beam 4, respectively.

Specifically, the first limiting piece 2 and the second limiting piece 3 are oppositely arranged at two ends of the supporting beam 4, the first limiting piece 2 and the second limiting piece 3 are used for restraining the photovoltaic tile 1 to prevent the photovoltaic tile 1 from falling out of the tile track, the supporting beam 4 is used for supporting the photovoltaic tile 1, and the first limiting piece 2 and the second limiting piece 3 are matched with the supporting beam 4 to form a restraining groove for restraining the photovoltaic tile 1.

In some embodiments, as shown in fig. 1 to 4, the first limiting member 2 and the second limiting member 3 each have a limiting groove, the limiting groove openings of the first limiting member 2 and the second limiting member 3 are opposite, and the notch width of the limiting groove is adapted to the thickness of the photovoltaic tile 1.

Specifically, the first limiting piece 2 and the second limiting piece 3 are both provided with limiting grooves, the limiting grooves are used for fixing the photovoltaic tiles 1, and the openings of the limiting grooves of the two limiting pieces are arranged oppositely to prevent the photovoltaic tiles 1 from falling out. The notch width of spacing groove suits with the thickness of photovoltaic tile 1 holds photovoltaic tile 1, can avoid photovoltaic tile 1 to receive external factor and the spacing groove to bump damage photovoltaic cell.

In some embodiments, as shown in fig. 1 to 4, the first stopper 2 and the second stopper 3 have equal widths, and the first stopper 2 has a width L.

Specifically, the widths of the first limiting piece 2 and the second limiting piece 3 are equal, the sizes of the first limiting piece 2 and the second limiting piece 3 are the same, and the even arrangement of the photovoltaic tiles 1 can be ensured.

In some embodiments, as shown in fig. 1-6, the interleaving distance between each row of photovoltaic tiles 1 and the adjacent row of photovoltaic tiles 1 is M, M being equal to or greater than L.

Specifically, the staggered distance between the photovoltaic tiles 1 of one row and the photovoltaic tiles 1 of the adjacent row, the photovoltaic tiles 1 of one row are aligned with the photovoltaic tiles 1 of one row at intervals, and the arrangement is such that the photovoltaic tiles 1 of one row are connected with at least two photovoltaic tiles 1 of the connected row, so that the stable operation of the photovoltaic tiles 1 can be ensured, and the damage of one photovoltaic tile 1 is avoided to influence other photovoltaic tiles 1.

In some embodiments, as shown in fig. 3, the tile track further comprises an auxiliary track 5, the auxiliary track 5 connecting two adjacent support beams 4, the axial direction of the auxiliary track 5 being perpendicular to the axial length of the support beams 4.

Specifically, the auxiliary track 5 is used for connecting the supporting beam 4 to play a supporting role on the photovoltaic tile 1, the auxiliary track 5 can also play a role in guiding flow, rainwater on the photovoltaic tile 1 is guided to flow and be led out along the auxiliary track 5, and the photovoltaic tile 1 is guaranteed to work normally.

In some embodiments, the sum of the length N of the auxiliary track 5 and the width L of the first stop 2 is equal to the length of the photovoltaic tile 1.

Specifically, the length of the photovoltaic tile 1 is positively correlated with the length N of the auxiliary rail 5 and the width of the first limiting member 2, the length of the auxiliary rail 5 is the distance between the supporting beam 4 and the adjacent supporting beam 4, two ends of the photovoltaic tile 1 are respectively overlapped on the two supporting beams 4, the width occupied by one end of the photovoltaic tile 1 in the first limiting member 2 is 0.5L, and the length of the photovoltaic tile 1 is n+l.

In some embodiments, as shown in fig. 5, the second limiting member 3 of the tile track is provided with a drain hole 6, and the drain hole 6 is flush with the supporting beam 4.

Specifically, the drain hole 6 is used for discharging redundant moisture, and the height of the second limiting part 3 is lower than that of the first limiting part 2, and the drain hole 6 is arranged on the second limiting part 3, so that drainage is facilitated, and the drain hole 6 and the supporting beam 4 are flush and can discharge the moisture in the tile track to the greatest extent, so that the drying of the photovoltaic tile 1 is ensured.

In some embodiments, as shown in fig. 4, the track fastener includes a first fastener 7 and a second fastener 8, the first fastener 7 and the second fastener 8 being respectively connected to one end of the support beam 4, the first fastener 7 being opposite the first limiter 2 with respect to the support beam 4, and the second fastener 8 being opposite the second limiter 3 with respect to the support beam 4.

Specifically, the first fastening piece 7 and the second fastening piece 8 are correspondingly arranged at two ends of the supporting beam 4, the first fastening piece 7 is fixed with the supporting frame 9, can be connected in a mode of bolt connection, clamping connection, hanging connection and the like, and the second fastening piece 8 is connected with the next row of photovoltaic tiles 1, can be connected in a mode of hanging connection, clamping connection and the like, and is convenient to detach and install, so that the following maintenance of the photovoltaic tiles 1 is facilitated.

In some embodiments, the photovoltaic tile 1 comprises a battery, an encapsulation layer and a tile frame, the tile frame surrounds the battery, the encapsulation layer is arranged at the top and the bottom of the battery, the battery comprises a plurality of first battery rows and a plurality of second battery rows, the first battery rows and the second battery rows are staggered in the column direction, the lower edge electrode of each first battery row is overlapped on the upper edge electrode of the adjacent second battery row, and the lower edge electrode of each second battery row is overlapped on the upper edge electrode of the adjacent first battery row.

Specifically, the battery packs in the photovoltaic tiles are formed by staggered rows of battery rows, so that the power generation efficiency can be ensured.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A photovoltaic BIPV module comprising:

photovoltaic tiles;

the tile track group comprises a tile track, a track fastener and a support frame, wherein the top surface of the tile track contains the photovoltaic tiles, the track fastener is positioned on the bottom surface of the tile track, and the track fastener is connected with the support frame and the photovoltaic tiles of the adjacent other row.

2. The photovoltaic BIPV assembly according to claim 1, wherein the tile track comprises a first stop, a second stop and a support beam, the first and second stops being located at opposite ends of the support beam, respectively.

3. The photovoltaic BIPV assembly according to claim 2, wherein the first and second stop members each have a stop slot, the stop slots of the first and second stop members being open opposite, the slot width of the stop slots being adapted to the thickness of the photovoltaic tile.

4. The photovoltaic BIPV assembly according to claim 2, wherein the first and second stop members are of equal width, the first stop member having a width L.

5. The photovoltaic BIPV assembly according to claim 4, wherein the staggered distance between each row of the photovoltaic tiles and the photovoltaic tiles of an adjacent row is M, M being equal to or greater than L.

6. The photovoltaic BIPV assembly according to claim 4, wherein the tile track further comprises an auxiliary track connecting two adjacent support beams, the axial direction of the auxiliary track being perpendicular to the axial length of the support beams.

7. The photovoltaic BIPV assembly according to claim 6, wherein the sum of the length N of the auxiliary rail and the width L of the first stop is equal to the length of the photovoltaic tile.

8. The photovoltaic BIPV assembly according to claim 2, wherein the second stop member of the tile track is provided with a drain hole, the drain hole being flush with the support beam.

9. The photovoltaic BIPV assembly according to claim 2, wherein the track fastener comprises a first fastener and a second fastener, the first fastener and the second fastener being connected to one end of the support beam, respectively, the first fastener being opposite the first stop with respect to the support beam, and the second fastener being opposite the second stop with respect to the support beam.

10. The photovoltaic BIPV module according to claim 1, wherein the photovoltaic tile comprises a stack of cells, an encapsulation layer and a tile border surrounding the stack of cells, the encapsulation layer being disposed on top of and at the bottom of the stack of cells, the stack of cells comprising a plurality of first cell rows and a plurality of second cell rows staggered in a column, a lower edge electrode of each row of the first cell rows overlying an upper edge electrode of an adjacent second cell row, a lower edge electrode of each row of the second cell rows overlying an upper edge electrode of an adjacent first cell row.