CN210156390U

CN210156390U - Solar cell panel

Info

Publication number: CN210156390U
Application number: CN201920877132.0U
Authority: CN
Inventors: 张麒; 黄亮; 叶玉梅
Original assignee: Beijing Hanneng Photovoltaic Technology Co Ltd
Current assignee: Beijing Hanneng Photovoltaic Technology Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-17
Anticipated expiration: 2029-06-11

Abstract

The utility model relates to a solar cell panel, which comprises a power generation layer and a first protective layer which are mutually attached and connected, wherein the power generation layer comprises a substrate connected with the first protective layer; the substrate is an opaque substrate and/or the first protective layer is an opaque protective layer. The base and/or the first protective layer of the power generation layer are/is set to be in an opaque state, so that some layers with the light reflection property in the power generation layer can be shielded, and when the solar cell panel is installed on the outer wall of a building, the base is the side, close to the indoor, in the power generation layer, so that the base and/or the first protective layer can prevent the area with the light reflection property in the power generation layer from reflecting light to the indoor, the indoor environment can be prevented from being interfered, the personal behavior is prevented from being displayed by the light reflection layer, and the personal privacy is protected; and the solar cell panel provided by the solar cell panel has a simple structure and is convenient to produce.

Description

Solar cell panel

Technical Field

The utility model relates to a solar energy power generation field especially relates to a solar cell panel.

Background

With the social development, fossil energy is gradually exhausted globally, and the demand of human beings for clean energy is increasing day by day. Especially in cities, large buildings are extremely energy intensive. Solar energy is a sustainable clean energy source, and the demand of people for solar cell modules is increasing. The solar cell module developed by relying on the outer wall of the building has the advantages of no land occupation, large available area and instant use, and becomes a popular research direction of the current solar cell module. At present, the types of solar panels applied to the outer wall of a building are more and more, and the application range of the solar panels is wider and wider. However, some interlayers in the solar panels have a light reflecting property, the light reflecting phenomenon in the areas is serious, especially in the current large buildings, a transparent glass wall is often used as an outer wall, and then the solar panels on the outer side of the wall are equivalent to that a mirror is arranged outside the outer wall, so that strong light is always reflected indoors, the indoor environment is seriously interfered, the personal behavior is easy to see by others, the personal privacy is easily revealed, and the normal life of people is seriously influenced.

Therefore, it is desirable to provide a solar panel to solve the disadvantages of the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a solar cell panel.

A solar cell panel comprises a power generation layer and a first protective layer which are attached to each other, wherein the power generation layer comprises a substrate connected with the first protective layer;

the substrate is an opaque substrate and/or the first protective layer is an opaque protective layer.

Further, the first protective layer comprises a first adhesive film connected with the substrate and first tempered glass connected with the first adhesive film;

the first adhesive film is an opaque adhesive film and/or the first toughened glass is opaque toughened glass.

Further, the first adhesive film is an opaque polyvinyl butyral film (PVB adhesive film).

Further, the power generation layer comprises a negative plate, a power generation plate, a positive plate and a substrate which are sequentially connected in the thickness direction.

Further, the negative plate is a zinc aluminum oxide conductive film; the power generation board is a copper indium gallium selenide light absorption film; the positive plate is a molybdenum conductive film; the substrate is a float glass substrate.

Further, the solar cell further comprises a second protective layer connected with one side of the power generation layer far away from the substrate.

Furthermore, the second protective layer comprises a second adhesive film and second toughened glass which are sequentially connected with one side, far away from the substrate, of the power generation layer.

Further, the solar cell further comprises a sealing frame surrounding the peripheries of the power generation layer and the second protection layer.

The battery further comprises a positive electrode lead connected with the positive electrode plate and a negative electrode lead electrically connected with the negative electrode plate.

Further, the free end of the positive electrode lead and the free end of the negative electrode lead are respectively installed in the junction box.

The technical scheme of the utility model compare with closest prior art and have following advantage:

the utility model provides a solar cell panel, through setting up the basement and/or the first protective layer of electricity generation layer into opaque state, can shelter from some layers that have reflection of light attribute in the electricity generation layer, and when installing solar cell panel in the outer wall of building, the basement is the one side that is close to indoor in the electricity generation layer, therefore basement and/or first protective layer can prevent the region that has reflection of light attribute in the electricity generation layer to indoor reflection light, can avoid disturbing indoor environment, also avoid individual action to be shown by the reflector layer simultaneously, individual privacy has been protected; moreover, the solar cell panel is simple in structure and convenient to produce.

Drawings

Fig. 1 is a schematic view of a first structure of a solar cell panel provided by the present invention;

fig. 2 is a schematic view of a second structure of a solar cell panel provided by the present invention;

fig. 3 is a schematic view of a third structure of a solar cell panel provided by the present invention.

Wherein, 11-second toughened glass; 12-a second adhesive film; 13-negative plate; 14-a power generation plate; 15-positive plate; 16-a substrate; 17-a first adhesive film; 18-first tempered glass; 19 a-positive lead; 19 b-negative lead.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "second," "first," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

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 with reference to the accompanying examples and figures 1-3.

As shown in fig. 1 to 3, the present invention provides a solar cell panel, which includes a power generation layer and a first protection layer, which are attached to each other, wherein the power generation layer includes a substrate 16 connected to the first protection layer; the substrate 16 is an opaque substrate 16 and/or the first protective layer is an opaque protective layer.

The substrate 16 and/or the first protective layer of the power generation layer are/is set to be in an opaque state, so that the area with the light reflection property in the power generation layer can be shielded, and when the solar cell panel is installed on the outer wall of a building, the substrate 16 is the side, close to the indoor, in the power generation layer, so that the substrate 16 and/or the first protective layer can prevent the area with the light reflection property in the power generation layer from reflecting light to the indoor, the indoor environment can be prevented from being interfered, the personal behavior is prevented from being displayed by the light reflection layer, and the personal privacy is protected; and the solar cell panel provided by the solar cell panel has a simple structure and is convenient to produce. As shown in fig. 3, substrate 16 is an opaque substrate 16.

In some embodiments of the present invention, the first protective layer comprises a first adhesive film 17 connected to the substrate 16 and a first tempered glass 18 connected to the first adhesive film 17; the first adhesive film 17 is an opaque adhesive film and/or the first tempered glass 18 is opaque tempered glass.

The first adhesive film 17 and the first tempered glass 18 in the first protective layer can be made opaque by only one of them being opaque, so that some layers with light reflecting property in the power generation layer can be shielded from reflecting light to the room, and if the first tempered glass 18 and the first adhesive film 17 are both opaque, the first protective layer can be made more opaque, but this will not cause cost increase and too dark in the room, so from both the aspects of cost and effect, the first adhesive film 17 is preferably designed to be opaque. As shown in fig. 1 to 2, the first protective layer is an opaque protective layer, specifically, the first adhesive film 17 shown in fig. 1 is an opaque adhesive film, and the first tempered glass 18 shown in fig. 2 is opaque tempered glass.

In some embodiments of the present invention, the first adhesive film 17 is an opaque polyvinyl butyral film (PVB adhesive film).

Transparent polyvinyl butyral film (PVB glued membrane) uses more in solar cell panel, consequently uses opaque polyvinyl butyral film (PVB glued membrane) as first glued membrane 17, can enough satisfy the demand that shelters from the electricity generation layer reflection light in the solar cell panel of this application, can not influence the other performances of panel again, guarantees generating efficiency, electricity generation quality and generated energy.

In some embodiments of the present invention, the power generation layer includes a negative electrode plate 13, a power generation plate 14, a positive electrode plate 15, and a substrate 16 connected in this order in the thickness direction. The substrate 16 is used to support other parts of the power generation layer so that the entire power generation layer can be a separate part, the power generation plate 14 is used to absorb light energy and convert it into electric energy, and the positive electrode plate 15 and the negative electrode plate 13 serve as positive and negative electrodes of a general battery.

In some embodiments of the present invention, the negative plate 13 is a zinc aluminum oxide conductive film; the power generation board 14 is a copper indium gallium selenide light absorption film; the positive plate 15 is a molybdenum conductive film; the substrate 16 is a float glass substrate 16. The copper indium gallium selenide light-absorbing film has high light-absorbing efficiency and photoelectric conversion efficiency, stable power generation, and the two surfaces of the molybdenum conducting film are very smooth, similar to mirror surfaces and are areas with reflection properties in the power generation layer.

In some embodiments of the present invention, a second protective layer is further included that is connected to a side of the power generation layer that is remote from the substrate 16. The second protective layer is a protective layer in front of the power generation layer, and is provided on a surface of the power generation layer facing sunlight.

In some embodiments of the present invention, the second protection layer includes a second adhesive film 12 and a second tempered glass 11 sequentially connected to one side of the power generation layer away from the substrate (16). The second adhesive film 12 may be a transparent polyvinyl butyral film (PVB adhesive film).

In some embodiments of the present invention, the protective layer further includes a sealing frame surrounding the periphery of the power generation layer and the second protective layer. The sealing frame seals a connecting gap between the power generation layer and the second protection layer, so that air entering between the power generation layer and the second protection layer is avoided, the power generation layer is prevented from being corroded and wetted, and the drying and normal power generation inside the power generation layer are guaranteed.

In some embodiments of the present invention, the battery further includes a positive electrode lead 19a connected to the positive electrode plate 15 and a negative electrode lead 19b electrically connected to the negative electrode plate 13. The positive electrode lead 19a and the negative electrode lead 19b facilitate wiring of the solar cell panel, for example, series-parallel connection between a plurality of solar cell panels.

In some embodiments of the present invention, the free end of the positive electrode lead 19a and the free end of the negative electrode lead 19b are respectively installed into the junction box. The junction box can integrate the positive electrode lead 19a and the negative electrode lead 19b, and can protect the entire solar cell panel from short circuits and open circuits.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The solar cell panel is characterized by comprising a power generation layer and a first protective layer which are attached to each other, wherein the power generation layer comprises a substrate (16) connected with the first protective layer;

the substrate (16) is an opaque substrate (16) and/or the first protective layer is an opaque protective layer.

2. Solar panel as claimed in claim 1, characterised in that said first protective layer comprises a first glue film (17) connected to said substrate (16) and a first tempered glass (18) connected to said first glue film (17);

the first adhesive film (17) is an opaque adhesive film and/or the first toughened glass (18) is opaque toughened glass.

3. Solar panel as claimed in claim 2, characterised in that said first glue film (17) is an opaque polyvinyl butyral film.

4. Solar panel as claimed in claim 1, characterised in that said electricity-generating layer comprises, connected in succession in the thickness direction, a negative plate (13), an electricity-generating plate (14), a positive plate (15) and a substrate (16).

5. Solar panel as claimed in claim 4, characterised in that said negative plate (13) is a zinc-aluminium oxide conductive film; the power generation board (14) is a copper indium gallium selenide light absorption film; the positive plate (15) is a molybdenum conducting film; the substrate (16) is a float glass substrate (16).

6. Solar panel as claimed in claim 1, characterised in that it further comprises a second protective layer connected to the side of the electricity-generating layer remote from the substrate (16).

7. Solar panel as claimed in claim 6, characterised in that said second protective layer comprises a second glue film (12) and a second tempered glass (11) connected in succession to the side of said electricity-generating layer remote from said substrate (16).

8. The solar panel according to claim 7, further comprising a sealing frame surrounding peripheries of the power generation layer and the second protective layer.

9. Solar panel according to claim 4, characterized by further comprising a positive lead (19a) connected to the positive plate (15) and a negative lead (19b) connected to the negative plate (13).

10. Solar panel as claimed in claim 9, characterised in that the free end of the positive lead (19a) and the free end of the negative lead (19b) are fitted into a junction box, respectively.