CN203734591U - Solar photovoltaic assembly applicable to water - Google Patents

Abstract

The utility model discloses a solar photovoltaic assembly suitable for water. The photovoltaic assembly comprises: an encapsulation back shell, the encapsulation back shell includes a floating cavity, and the floating cavity is provided with an opening with a groove; The solar cell panel at the groove, the solar cell panel seals the floating cavity; the upper frame arranged on the side of the solar cell panel away from the floating cavity, the upper frame and the The back shell is fixedly connected after encapsulation. The solar photovoltaic module is provided with a floating cavity, through which the solar photovoltaic module can be used floating on the water without a special floating platform, a floating carrier or a fixed support, and the cost is low.

Description

A solar photovoltaic module suitable for water

technical field

The utility model relates to the technical field of photovoltaic power generation, in particular to a solar photovoltaic module suitable for water.

Background technique

With the increasingly prominent energy crisis, the development and utilization of new energy has become the main topic of research in the field of energy. Because solar energy has the advantages of no pollution, no regional restrictions, and inexhaustible supply, the study of solar power generation has become the main direction for the development and utilization of new energy. Solar power generation is divided into photothermal power generation and photovoltaic power generation. Generally speaking, solar power generation refers to solar photovoltaic power generation, referred to as "photoelectricity".

Photovoltaic power generation is a technology that directly converts light energy into electrical energy by using the photovoltaic effect at the semiconductor interface. The key components of this technology are solar cells, which can be packaged and protected after being connected in series to form a large-area solar photovoltaic module, and then cooperate with power controllers and other components to form a photovoltaic power generation system. Solar photovoltaic modules are devices that directly convert sunlight energy into electrical energy due to the photovoltaic effect. When sunlight hits the surface of photovoltaic modules, photoelectric current will be generated.

However, most of the existing solar photovoltaic modules are installed on the ground or on the roof, which will take up a lot of space or land, and the use cost is high. In order to make full use of the vast water surface area, a solar cell module that can be applied on water is needed.

Utility model content

In order to solve the above technical problems, the utility model provides a solar photovoltaic module applicable to water.

In order to achieve the above object, the utility model provides the following technical solutions:

A solar photovoltaic module suitable for water, the solar photovoltaic module includes:

Encapsulating the rear shell, the encapsulating rear shell includes a floating cavity, and the floating cavity is provided with an opening with a groove;

a solar cell panel fixed at the groove, and the solar cell panel seals the floating cavity;

The upper frame is arranged on the side of the solar cell panel away from the floating cavity, and the upper frame is fixedly connected with the packaging rear shell.

Preferably, in the above solar photovoltaic module, an elastic buffer is provided on the bottom surface of the groove.

Preferably, in the above solar photovoltaic module, the elastic buffer device is a rubber ring.

Preferably, in the above-mentioned solar photovoltaic module, it also includes:

A pressure valve arranged on the side wall of the packaging rear shell, the pressure valve is used to make the pressure in the floating cavity the same as the external atmospheric pressure.

Preferably, in the above-mentioned solar photovoltaic module, the upper frame is fixedly connected to the encapsulating rear case through mutually matching sawtooth buckles.

Preferably, in the above solar photovoltaic module, the junction box of the solar cell panel is arranged on a side of the solar cell panel away from the floating cavity.

It can be seen from the above technical solutions that the solar photovoltaic module provided by the utility model includes: an encapsulation back shell, the encapsulation back shell includes a floating cavity, and the floating cavity is provided with an opening with a groove; The solar cell panel at the groove, the solar cell panel seals the floating cavity; the upper frame arranged on the side of the solar cell panel away from the floating cavity, the upper frame and the package The rear shell is fixedly connected. The solar photovoltaic module is provided with a floating cavity, through which the solar photovoltaic module can be used floating on the water without a special floating platform, a floating carrier or a fixed support, and the cost is low.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural schematic diagram of a solar photovoltaic module suitable for water provided by an embodiment of the utility model;

Figure 2 is an exploded view of the solar photovoltaic module shown in Figure 1;

Fig. 3 is a top view of the solar photovoltaic module shown in Fig. 1;

Fig. 4 is a G-G sectional view of the solar photovoltaic module shown in Fig. 3;

Fig. 5 is a partial enlarged view of part E of the solar photovoltaic module shown in Fig. 4;

Fig. 6 is a structural schematic diagram of the encapsulation back shell of the solar photovoltaic module shown in Fig. 1;

Fig. 7 is a partially enlarged view of part A of Fig. 6;

Fig. 8 is a C-C sectional view of the solar photovoltaic module shown in Fig. 6;

Fig. 9 is a schematic structural view of the upper frame of the solar photovoltaic module shown in Fig. 1;

Fig. 10 is a partially enlarged view of part B of Fig. 9;

Fig. 11 is a schematic structural view of the solar panel of the solar photovoltaic module shown in Fig. 1;

FIG. 12 is a partially enlarged view of part D in FIG. 11 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As mentioned in the background, most of the existing solar photovoltaic modules are installed on the ground or on the roof, which will occupy a lot of space or land, and the use cost is relatively high.

In order to solve the above problems, the embodiment of this application provides a solar photovoltaic module that can be applied on water, including:

Encapsulating the rear shell, the encapsulating rear shell includes a floating cavity, and the floating cavity is provided with an opening with a groove;

a solar cell panel fixed at the groove, and the solar cell panel seals the floating cavity;

The upper frame is arranged on the side of the solar cell panel away from the floating cavity, and the upper frame is fixedly connected with the packaging rear shell.

The solar photovoltaic module is provided with a floating cavity, through which the solar photovoltaic module can be used floating on the water without a special floating platform, a floating carrier or a fixed support, and the cost is low. It can be used directly floating on the water surface, which improves the space utilization rate and the application range of photovoltaic equipment.

Referring to FIGS. 1-3 , the solar photovoltaic module suitable for water in this embodiment includes: a packaging rear case 1 , a solar cell panel 2 and an upper frame 3 .

Referring to FIG. 4 and FIG. 5 , the encapsulating rear case 1 includes a floating cavity 6 , and the solar cell panel 2 is fixed at the groove of the opening of the floating cavity 6 to seal the floating cavity 6 . The upper frame 3 is arranged on the side of the solar cell panel 2 away from the floating cavity.

The upper frame 3 is fixedly connected to the packaging rear case 1 through matching sawtooth buckles. The sawtooth lock includes the sawtooth on the side of the package rear case 1 and the sawtooth on the side of the upper frame 3 .

In order to avoid changes in the pressure in the floating cavity caused by changes in the external temperature and the tension received by the solar cell panel, the solar photovoltaic module further includes: a pressure valve arranged on the side wall of the packaged rear shell 4. The pressure valve is used to make the pressure in the floating cavity the same as the external atmospheric pressure.

In order to facilitate maintenance, the junction box 5 of the solar cell panel 2 is arranged on the side of the solar cell panel 2 away from the floating cavity.

The structure of the packaging rear case 1 is shown in Figures 6-8, the packaging rear case 1 includes a floating cavity 6, and an opening for placing the solar cell panel 2 is provided at the opening of the floating cavity 6. Groove 7. In order to reduce damage to the solar cell panel 2 due to vibration, an elastic buffer device 8 and sawtooths are provided on the bottom of the groove 7 . In this embodiment, the elastic buffer device 8 is a rubber ring with long service life and corrosion resistance.

In order to ensure that the packaging back shell 1 has better mechanical strength and ensure that there is a sufficiently large floating cavity 6, the thickness of the side wall of the packaging back shell 1 is set to be 2mm-10mm, and the thickness of the bottom surface is set to be 2mm-3mm. , and the sidewall thickness is greater than the bottom thickness.

Referring to Fig. 9 and Fig. 10, the upper frame 2 is provided with a groove 9 for leading out the bus strip.

The junction box of the traditional solar panel is set on the back, which is inconvenient for maintenance, and needs to be cut on the back of the panel to facilitate the lead-out of the confluence belt. The processing technology is complicated and the production efficiency is low. Referring to Figures 11 and 12, the junction box 5 of the solar panel 2 in this embodiment is located on the upper surface, that is, it is arranged on the side away from the floating cavity 6, which is convenient for maintenance, and the busbar 10 directly passes through the solar panel 2 The side is led out, no need to scratch, the processing technology is simple, and the production efficiency is high.

It can be seen from the above description that the solar photovoltaic module described in the embodiment of the present application can be used floating on water by setting a floating cavity, without a special floating platform, floating carrier or fixed support, and the cost is low.

Another embodiment of the present application also provides a packaging method for the above-mentioned solar photovoltaic module, including:

Step S11: providing a packaging rear case, the packaging rear case includes a floating cavity, and the floating cavity is provided with an opening having a groove.

For the encapsulation back shell structure, reference may be made to the description of the above-mentioned embodiments.

Step S12: fixing the solar cell panel in the groove, and sealing the floating cavity through the solar cell panel.

The packaging rear shell is placed on the packaging platform, and the sealant is evenly coated on the bottom surface and the side of the opening groove of the floating cavity. Then, place the solar panel with the junction box installed in the groove. Use special tooling to apply vertical downward pressure on the solar panel, and evenly squeeze out the excess sealant, so as to fix the solar panel in the groove and realize the sealing of the floating cavity . Wherein, the side on which the junction box is arranged is a light-receiving surface, and the light-receiving surface is a surface away from the floating cavity.

Step S13: setting an upper frame on the side of the solar cell panel facing away from the floating cavity, and the upper frame is fixedly connected with the encapsulation back shell.

The upper frame and the packaged back shell can be connected and fixed by sawtooth buckles, and the upper frame is fastened around the upper surface of the packaged back shell, and a vertical pressure is applied after laying flat, so that the sawtooth of the upper frame is aligned with the packaged back shell. The encapsulation of the back shell is thus engaged and then locked and fixed.

When connecting and fixing the upper frame and the packaging back shell, it is also necessary to apply a sealant around the surface of the fixed solar panel,

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A solar photovoltaic module applicable to water, characterized in that, comprising: Encapsulating the rear shell, the encapsulating rear shell includes a floating cavity, and the floating cavity is provided with an opening with a groove; a solar cell panel fixed at the groove, and the solar cell panel seals the floating cavity; The upper frame is arranged on the side of the solar cell panel away from the floating cavity, and the upper frame is fixedly connected with the packaging rear shell. 2. The solar photovoltaic module according to claim 1, wherein an elastic buffer device is provided on the bottom surface of the groove. 3. The solar photovoltaic module according to claim 2, wherein the elastic buffer device is a rubber ring. 4. The solar photovoltaic module according to claim 1, further comprising: A pressure valve arranged on the side wall of the packaging rear shell, the pressure valve is used to make the pressure in the floating cavity the same as the external atmospheric pressure. 5 . The solar photovoltaic module according to claim 1 , wherein the upper frame is fixedly connected to the packaging rear case through mutually matching sawtooth buckles. 6 . 6. The solar photovoltaic module according to claim 1, wherein the junction box of the solar cell panel is arranged on a side of the solar cell panel away from the floating cavity.