TWM491952U - Solar cell module - Google Patents

Description

Solar battery module 【0001】

The present invention relates to a solar cell module, and more particularly to a solar cell module in which the outermost layer of the light transmissive film layer is used to reduce the overall weight.

【0002】

With the promotion of global environmental awareness and the fermentation of anti-nuclear related issues, how to effectively apply alternative energy sources to reduce the environmental damage caused by existing methods will become a problem that needs to be solved globally.

[0003]

To be continued, in view of the abundant sunshine in the subtropical and tropical regions, solar power generation capacity can be improved. One of the related methods of solar power generation is to install solar panels on buildings to effectively use the sunshine area to generate electricity.

[0004]

Building-integrated solar energy (BIPV) is an application that uses solar photovoltaic materials to replace traditional building materials, making the building itself a large source of energy without having to add solar panels in an external way, because it is considered at the design stage. The ratio of cost to cost is best, and the skylight and exterior walls are usually the largest light-emitting surfaces.

[0005]

However, the structure of the conventional solar cell module is a first glass substrate, a first encapsulation layer, a solar cell, a second encapsulation layer and a second glass substrate from top to bottom; since both the bottom layer and the top layer are glass substrates, As a result, the overall weight of the solar cell module increases. However, due to the increase in overall weight, it will affect the speed of construction and installation, as well as the load carried by the reconstruction.

[0006]

In view of the above problems, in terms of the existing related solar cell modules and the field of building integrated solar energy, the corresponding structural design has not yet been proposed, and the existing solar cell modules and their building materials still have problems in terms of weight to be improved.

【0007】

In view of the above-mentioned problems of the prior art, the purpose of the present invention is to provide a solar cell module to solve the problems to be improved.

[0008]

According to the purpose of the present invention, a solar cell module comprising a glass substrate, a light transmissive film layer, a first encapsulation layer, a second encapsulation layer and a solar cell array layer is provided. The light transmissive film layer is located on one side of the glass substrate. The first encapsulation layer is connected to the surface of the glass substrate and is located between the glass substrate and the light transmissive film layer. The second encapsulation layer is connected to the light transmissive film layer corresponding to one surface of the glass substrate, and is located between the light transmissive film layer and the first encapsulation layer. The solar cell array layer is located between the first encapsulation layer and the second encapsulation layer, and the two sides of the solar cell array layer are respectively connected to the first encapsulation layer and the second encapsulation layer.

【0009】

Preferably, the light transmissive film layer may be an ethylene-tetrafluoroethylene polyester film layer.

[0010]

Preferably, the first encapsulating layer may be an ethylene vinyl acetate copolymer layer.

[0011]

Preferably, the second encapsulating layer may be an ethylene vinyl acetate copolymer layer.

[0012]

Preferably, the light transmissive film layer, the first encapsulation layer and the second encapsulation layer may have high light transmittance.

[0013]

As stated above, the solar cell module of the present invention has the following advantages:

[0014]

1. The solar cell module of the present invention uses a light-transmissive film layer as a top layer to reduce the overall weight of the solar cell; further, when the solar cell is used as a building-integrated solar photovoltaic module, the difficulty of construction and installation and the overall construction can be reduced. The load.

[0015]

2. The solar cell module of the present invention uses an ethylene-tetrafluoroethylene polyester layer as a light-transmissive film layer of the solar cell module, so that the ethylene-tetrafluoroethylene polyester is light in weight and high in flame retardancy. High transmittance characteristics can be combined with solar cell modules.

[0033]

1‧‧‧Solar battery module
11‧‧‧ glass substrate
12‧‧‧Transparent film
13‧‧‧First encapsulation layer
14‧‧‧Second encapsulation layer
15‧‧‧Solar cell array

[0016]

Figure 1 is an exploded view of the solar cell module of the present invention.
Figure 2 is a schematic diagram of the solar cell module of the present invention.
Figure 3 is a top view of the solar cell module of the present invention.

[0017]

In order to understand the technical characteristics, content and advantages of the creation and the effects that can be achieved by the examiner, the author will cooperate with the schema and explain the following in the form of the embodiment, and the schema used therein The subject matter is only for the purpose of illustration and supplementary instructions. It is not necessarily the true proportion and precise configuration after the implementation of the original creation. Therefore, the proportions and configuration relationships of the attached drawings should not be interpreted or limited in the actual implementation scope. First described.

[0018]

Please refer to Figures 1 to 3; Figure 1 is an exploded view of the solar cell module of the present invention; Figure 2 is a schematic diagram of the solar cell module of the present invention; and Figure 3 is a solar cell module of the present invention. Top view of the group. As shown in the figure, the solar cell module 1 of the present invention comprises a glass substrate 11, a light transmissive film layer 12, a first encapsulation layer 13, a second encapsulation layer 14, and a solar cell array layer 15.

[0019]

In other words, the glass substrate 11 described above is the back sheet of the solar cell module 1 of the present invention, and is also the bottom layer of the solar cell module 1. The light transmissive film layer 12 is located on one side of the glass substrate 11. In addition, the first encapsulation layer 13 is connected to the glass substrate 11 corresponding to one surface of the transparent film layer 12 and located between the glass substrate 11 and the transparent film layer 12. The second encapsulation layer 14 is connected to one surface of the transparent substrate 12 corresponding to the glass substrate 11 and between the transparent film layer 12 and the first encapsulation layer 13 . The solar cell array layer 15 is located between the first encapsulation layer 13 and the second encapsulation layer 14. The solar cell array layer 15 has a plurality of solar cell units, that is, the solar cell array layer 15 is composed of a plurality of solar cell units. The two sides of the solar cell array layer 15 are respectively connected to the first encapsulation layer 13 and the second encapsulation layer 14.

[0020]

As described above, the overall structure of the solar cell module 1 of the present invention is sequentially the light transmissive film layer 12, the second encapsulation layer 14, the solar cell array layer 15, the first encapsulation layer 13, and the glass substrate 11 from top to bottom. The light transmissive film layer 12 is the top layer of the solar cell module 1 of the present invention, and the glass substrate 11 is the bottom layer.

[0021]

It is worth mentioning that the light transmissive film layer 12 of the solar cell module 1 of the present invention should preferably be an ethylene-tetrafluoroethylene polyester film layer; as the name suggests, the ethylene-tetrafluoroethylene polyester film layer It is composed of ethylene-tetrafluoroethylene polyester (ETFE), which has the following characteristics:

[0022]

1. Light weight and good shock resistance: The film made of ethylene-tetrafluoroethylene polyester is thin and light, which makes construction easier and more convenient.

[0023]

2. High durability: High tensile strength and climatic adaptation range from -200 ° C to 150 ° C, with durability of more than 15 years, its mechanical and optical properties are not easily changed in harsh climates.

[0024]

3. High safety: Ethylene-tetrafluoroethylene polyester is a good flame retardant material, which will shrink and no dripping after melting in flame.

[0025]

4. Self-cleaning performance: The surface is smooth, and the dust and dirt on the surface can be easily removed with the rain, and it has excellent self-cleaning performance.

[0026]

5. Good light transmission.

[0027]

According to the above, the ethylene-tetrafluoroethylene polyester film layer is used as the light-transmissive film layer 12 of the solar cell module 1 of the present invention, so that the solar cell module 1 can be light in weight, good in shock resistance, and high in durability. It has the advantages of high safety, good self-cleaning and good light transmission.

[0028]

Further, recently, the building sector has proposed a building integrated solar energy (BIPV) building material, which is an application method that uses solar photovoltaic materials to replace traditional building materials. However, the solar battery module 1 of the present invention can also be applied as a building material, and because of its characteristics of light weight, good shock resistance, high durability, high safety, good self-cleaning property, and good light transmission, Convenient and easy to carry out construction or follow-up maintenance after completion.

[0029]

It should be noted that the first encapsulation layer 13 and the second encapsulation layer 14 may be Ethylene Vinyl Acetate (EVA), but not limited thereto; The light film layer 12, the first encapsulation layer 13, and the second encapsulation layer 14 should have high light transmittance.

[0030]

As described above, the solar cell module of the present invention uses a light-transmissive film layer as a top layer instead of the glass top-layer substrate of the conventional solar cell module, thereby reducing the overall weight of the solar cell, preferably reducing the overall thickness by 45%. Weight; on the other hand, when the solar cell is used as a building-integrated solar photovoltaic module, the difficulty of construction and installation and the overall load of the building can be reduced.

[0031]

In addition, the ethylene-tetrafluoroethylene polyester layer is used as the light-transmissive film layer of the solar cell module, so that the solar cell module can have the advantages of light weight, high flame retardancy and high transparency.

[0032]

Looking at the above, the solar cell module of this creation is beyond the reach of the prior art, and it has indeed achieved the desired effect, and it is not familiar with the skill of the artist, and it is progressive and practical. Sexually, it has clearly met the application requirements of the patent, and has filed a patent application according to law. You are requested to approve the creation of a patent application for this article to encourage creation.

1‧‧‧Solar battery module

11‧‧‧ glass substrate

12‧‧‧Transparent film

13‧‧‧First encapsulation layer

14‧‧‧Second encapsulation layer

15‧‧‧Solar cell array

Claims (5)

[Item 1] A solar cell module comprising:
a glass substrate;
a light transmissive film layer on one side of the glass substrate;
a first encapsulation layer is connected to the surface of the glass substrate and is located between the glass substrate and the transparent film layer;
a second encapsulation layer is connected to the light transmissive film layer corresponding to one side of the glass substrate and located between the light transmissive film layer and the first encapsulation layer; and a solar cell array layer is located in the first encapsulation layer And between the second encapsulation layer, and the two sides of the solar cell array layer are respectively connected to the first encapsulation layer and the second encapsulation layer. [Item 2] The solar cell module according to claim 1, wherein the light transmissive film layer is an ethylene-tetrafluoroethylene polyester film layer. [Item 3] The solar cell module of claim 1, wherein the first encapsulation layer is an ethylene vinyl acetate copolymer layer. [Item 4] The solar cell module of claim 1, wherein the second encapsulation layer is an ethylene vinyl acetate copolymer layer. [Item 5] The solar cell module of claim 1, wherein the light transmissive film layer, the first encapsulation layer and the second encapsulation layer have high light transmittance.