All-black photovoltaic module

Abstract

The utility model relates to the technical field of solar cells, in particular to an all-black photovoltaic module, which comprises a black frame, and a glass cover plate, a front packaging adhesive film, a battery piece layer, a back packaging adhesive film and a black back plate which are sequentially arranged in the black frame, and is characterized in that the battery piece layer comprises two battery arrays and a bus bar arranged between the two battery arrays; the battery array comprises a plurality of battery pieces and a series connection belt arranged between every two adjacent battery pieces, and a black shielding assembly is arranged between the glass cover plate and the front packaging adhesive film. The black shielding assembly comprises a black connecting frame, a black shielding plate arranged in the black connecting frame, a black shielding frame arranged in the black connecting frame and a flexible shielding pad arranged on the black shielding plate and / or the black shielding frame. The flexible shielding pad is used for generating elastic deformation to wrap and shield the bus bar when the black shielding plate abuts against the bus bar, and / or generating elastic deformation to wrap and shield the serial connection belt when the black shielding frame abuts against the serial connection belt.

Description

Technical Field

[0001] The utility model relates to the technical field of solar cells, in particular to a full black photovoltaic component. Background Art

[0002] Solar photovoltaic modules are the core part of the solar power generation system. Their function is to convert solar energy into electrical energy. They have the three advantages of durability, cleanliness and flexibility. In recent years, policies have been introduced at home and abroad to encourage enterprises and individuals to adopt distributed photovoltaic power generation, and the development of distributed photovoltaics has continuously reached a new level. In the actual market, residential roofs and landscape projects often have requirements for overall aesthetics. Especially in economically developed overseas markets such as Europe, the "appearance" of photovoltaic modules cannot be ignored, and all-black photovoltaic module technology has received more and more attention.

[0003] However, the existing all-black photovoltaic modules still have the following technical problems: ordinary black photovoltaic modules are made by replacing the back panel, frame, etc. with black, but when the photovoltaic modules are under the sun, because the busbar part is made of silver material and it and the series belt will reflect light, the photovoltaic modules cannot achieve a completely black effect; it has certain defects in appearance and also affects the sunlight absorption effect. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a full black photovoltaic component.

[0005] The utility model is a kind of all-black photovoltaic module realized by the following technical scheme, including a black frame, a glass cover plate sequentially arranged in the black frame, a front packaging film, a battery layer, a back packaging film, and a black back plate, wherein the battery layer includes two battery arrays, a busbar arranged between the two battery arrays for connection, the battery array includes a plurality of battery cells arranged in a matrix with gaps between two adjacent battery cells, a series connection belt arranged in the gap between two adjacent battery cells for sequentially connecting the battery cells into a battery string, and a cable for shielding the busbar and the battery cell is arranged between the glass cover plate and the front packaging film. A black shielding component for a series connection strip, the black shielding component comprising a black connecting frame, a black shielding plate arranged in the black connecting frame and corresponding to the bus strip for shielding the bus strip, a black shielding frame arranged in the black connecting frame and located on both sides of the black shielding plate for shielding the series connection strip, and a flexible shielding pad arranged on the black shielding plate and / or on the black shielding frame, the flexible shielding pad being used to undergo elastic deformation to wrap and shield the bus strip when the black shielding plate resists the bus strip, and / or to undergo elastic deformation to wrap and shield the series connection strip when the black shielding frame resists the series connection strip.

[0006] As a further improvement of the present invention, the flexible shielding pad is a black rubber pad arranged on the black shielding plate and / or the black shielding frame.

[0007] As a further improvement of the present invention, the black shielding frame is composed of a plurality of shielding rods interlaced with each other in a grid shape to correspond to the gap between two adjacent battery sheets.

[0008] As a further improvement of the present invention, a black supporting component matching the black shielding component is arranged between the black back panel and the back packaging film, and the black supporting component includes a black supporting frame, a black supporting plate arranged in the black supporting frame and corresponding to the black shielding plate, and a black supporting frame arranged in the black supporting frame and corresponding to the black shielding frame, and a positioning device is arranged between the black supporting frame and the black connecting frame.

[0009] As a further improvement of the present invention, the positioning device includes a plurality of positioning grooves provided on the black supporting frame, and a plurality of positioning protrusions provided on the black connecting frame and correspondingly matching with the positioning grooves.

[0010] As a further improvement of the utility model, it also includes a junction box arranged on the black back plate, and through holes are opened on the black support frame and at both ends of the black support plate.

[0011] The beneficial effects of the utility model are as follows: the black shielding plate and the black shielding frame are black components, which are compatible with the black frame and the black back plate, and can preliminarily shield the bus strips and the series strips, so that the photovoltaic module can achieve the effect of a completely black appearance; and the black shielding plate and the black shielding frame are provided with a flexible shielding pad on the side close to the battery layer. The flexible shielding pad elastically deforms to wrap and shield the bus strip when the black shielding plate resists the bus strip, and elastically deforms to wrap and shield the series strip when the black shielding frame resists the series strip, thereby preventing the bus strip and the series strip from reflecting light in the sun, further achieving the effect of a completely black appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The following is a detailed description of the preferred implementation examples of the present invention with reference to the accompanying drawings to help understand the purpose and advantages of the present invention, wherein:

[0013] Figure 1 This is a schematic diagram of the front structure of an embodiment of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of an embodiment of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of a black shielding component according to an embodiment of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the black support component of an embodiment of the utility model. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below based on the accompanying drawings and implementation cases.

[0018] The directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. The words "inside" and "outside" refer to the direction toward or away from the geometric center of a specific component, respectively. They are relative concepts, and therefore may change accordingly according to different locations and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0019] refer to Figures 1 to 4 , the utility model embodiment discloses:

[0020] A fully black photovoltaic module, comprising a black frame 1, a glass cover plate 2 sequentially arranged in the black frame 1, a front packaging film 3, a battery layer 4, a back packaging film 5, and a black back plate 6, wherein the battery layer 4 comprises two battery arrays, a busbar arranged between the two battery arrays for connection, the battery array comprises a plurality of battery cells arranged in a matrix with gaps between two adjacent battery cells, and a series connection belt arranged in the gap between two adjacent battery cells for sequentially connecting the battery cells into a battery string, a black shielding component 7 for shielding the busbar and the series connection belt is arranged between the glass cover plate 2 and the front packaging film 3, and the black shielding component 7 comprises A black connecting frame 701, a black shielding plate 702 arranged in the black connecting frame 701 and corresponding to the bus strip for shielding the bus strip, a black shielding frame 703 arranged in the black connecting frame 701 and located on both sides of the black shielding plate 702 for shielding the series strip, and a flexible shielding pad 704 arranged on the black shielding plate 702 and / or on the black shielding frame 703, the flexible shielding pad 704 is used to elastically deform when the black shielding plate 702 resists the bus strip to wrap and shield the bus strip, and / or, elastically deform when the black shielding frame 703 resists the series strip to wrap and shield the series strip.

[0021] The black shielding plate 702 and the black shielding frame are black components, which are compatible with the black frame 1 and the black back plate 6, and can preliminarily shield the bus strips and the series strips, so that the photovoltaic module can achieve a completely black appearance. A flexible shielding pad 704 is provided on the side of the black shielding plate 702 and the black shielding frame close to the battery layer 4. The flexible shielding pad 704 elastically deforms to wrap and shield the bus strip when the black shielding plate 702 resists the bus strip, and elastically deforms to wrap and shield the series strip when the black shielding frame 703 resists the series strip, thereby preventing the bus strip and the series strip from reflecting light in the sun, further achieving the effect of a completely black appearance.

[0022] The flexible shielding pad 704 is a black rubber pad disposed on the black shielding plate 702 and / or the black shielding frame 703. The black rubber pad can undergo elastic deformation to wrap the busbar and the serial connection belt to prevent the busbar and the serial connection belt from reflecting light in the sun.

[0023] The black shielding frame 703 is composed of a plurality of shielding rods interlaced in a grid pattern to correspond to the gap between two adjacent battery cells.

[0024] A black support component 8 matching the black shielding component 7 is arranged between the black back panel 6 and the back packaging film 5. The black support component 8 includes a black support frame 801, a black support plate 802 arranged in the black support frame 801 and corresponding to the black shielding plate 702, and a black support frame 803 arranged in the black support frame 801 and corresponding to the black shielding frame 703. A positioning device is arranged between the black support frame 801 and the black connecting frame 701.

[0025] The black support component 8 is made of silicone material, and each part of the structure matches the black shielding component 7. It is used to cooperate with the black shielding component 7 to completely wrap the bus belt and the series belt part to achieve a fixed support effect.

[0026] The positioning device includes a plurality of positioning grooves 9 provided on the black support frame 801 and a plurality of positioning protrusions 10 provided on the black connection frame 701 and corresponding to the positioning grooves 9. The positioning protrusions 10 cooperate with the positioning grooves 9 during installation to achieve positioning, thereby facilitating installation.

[0027] It also includes a junction box (not shown in the figure) arranged on the black backplane 6, and through holes 11 are opened on the black support frame 801 and at both ends of the black support plate 802. The lines connected to the busbars can pass through the through holes 11 and be connected to the junction box.

[0028] In addition, in this embodiment, the black support frame 801 is a silicone support frame, the black support plate 802 is a silicone support plate, the black support frame 803 is a silicone support frame, and the front packaging film 3 and the back packaging film 5 are EVA / POE films.

[0029] Finally, it should be noted that the above implementation cases are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the above implementation cases, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above implementation cases, or replace some of the technical features therein with equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the implementation cases of the utility model.

Claims

1. A full black photovoltaic module, comprising a black frame (1), a glass cover plate (2) sequentially arranged in the black frame (1), a front encapsulation film (3), a cell layer (4), a back encapsulation film (5), and a black back plate (6), wherein the cell layer (4) comprises two cell arrays, a busbar arranged between the two cell arrays for connection, the cell array comprises a plurality of cells arranged in a matrix with gaps between two adjacent cells, and a series connection belt arranged in the gap between two adjacent cells for sequentially connecting the cells into a cell string, characterized in that: A black shielding component (7) for shielding the busbar and the series connection belt is arranged between the glass cover plate (2) and the front packaging film (3), and the black shielding component (7) comprises a black connection frame (701), a black shielding plate (702) arranged in the black connection frame (701) and corresponding to the busbar for shielding the busbar, and a black shielding plate (702) arranged in the black connection frame (701) and located on both sides of the black shielding plate (702) for shielding the busbar. A black shielding frame (703) for shielding the serial connection strip, and a flexible shielding pad (704) arranged on the black shielding plate (702) and / or on the black shielding frame (703), wherein the flexible shielding pad (704) is used to elastically deform when the black shielding plate (702) resists the bus strip so as to wrap and shield the bus strip, and / or, when the black shielding frame (703) resists the serial connection strip, to elastically deform to wrap and shield the serial connection strip.

2. The all-black photovoltaic module according to claim 1, characterized in that: The flexible shielding pad (704) is a black rubber pad arranged on the black shielding plate (702) and / or the black shielding frame (703).

3. The all-black photovoltaic module according to claim 2, characterized in that: The black shielding frame (703) is composed of a plurality of shielding rods that are interlaced in a grid shape and are used to correspond to the gap between two adjacent battery sheets.

4. The all-black photovoltaic module according to claim 3, characterized in that: A black support component (8) matching the black shielding component (7) is arranged between the black back plate (6) and the back packaging film (5); the black support component (8) comprises a black support frame (801), a black support plate (802) arranged in the black support frame (801) and corresponding to the black shielding plate (702), and a black support frame (803) arranged in the black support frame (801) and corresponding to the black shielding frame (703); and a positioning device is arranged between the black support frame (801) and the black connecting frame (701).

5. The all-black photovoltaic module according to claim 4, characterized in that: The positioning device comprises a plurality of positioning grooves (9) provided on the black supporting frame (801), and a plurality of positioning protrusions (10) provided on the black connecting frame (701) and corresponding to and matching the positioning grooves (9).

6. The all-black photovoltaic module according to claim 4, characterized in that: It also comprises a junction box arranged on the black back plate (6), and through holes (11) are provided on the black support frame (801) and at both ends of the black support plate (802).

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