CN209993608U

CN209993608U - Solar cell module with from cooling function

Info

Publication number: CN209993608U
Application number: CN201920698581.9U
Authority: CN
Inventors: 权祥; 徐云慧; 焦富强; 邓敏
Original assignee: Xuzhou College of Industrial Technology
Current assignee: Xuzhou College of Industrial Technology
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-01-24
Anticipated expiration: 2029-05-16

Abstract

The utility model relates to a solar module with from cooling function belongs to solar energy power generation technical field. Including aluminum alloy frame, toughened glass, solar wafer, EVA glued membrane, backplate and series connection grid line, its characterized in that: the tempered glass is arranged on the aluminum alloy frame, a plurality of air holes are reserved in the middle of the tempered glass, the solar cell pieces, the tempered glass on the upper surface and the back plate on the lower surface are bonded through EVA (ethylene vinyl acetate) adhesive films, and the solar cell pieces are connected through series grid lines and then led out to be connected into the junction box. The utility model has the advantages that: the aluminum-doped toughened glass has high strength and high thermal conductivity, and the light transmittance is not different from that of common toughened glass; the surface of the toughened glass is provided with the vent holes, so that the circulation of air on the front and the back can be accelerated, and the temperature of the surface of the battery can be reduced; the miniature ventilation fan is arranged at the toughened glass ventilation hole, so that the gas on the back of the battery can be effectively discharged to the surface of the battery.

Description

Solar cell module with from cooling function

Technical Field

The utility model relates to a solar module with from cooling function belongs to solar energy power generation technical field.

Background

Solar cells are photoelectric devices that directly convert sunlight into electricity, and are typical representatives of using clean energy. The single crystal silicon solar cell is difficult to be independently used as a power supply unit due to low power. The plurality of crystalline silicon solar cells are connected in series-parallel connection, so that the output current and voltage of the power supply unit can be increased. The multi-layer packaging material can protect the solar cell from external force damage and water vapor oxidation in the packaging process, and meanwhile, the heat dissipation difficulty of the solar cell module can be caused. The existing crystalline silicon solar module has an integral structure, the front surface and the rear surface cannot be ventilated, the surface temperature of the module is increased, the heat dissipation is difficult, and the heat generation of the solar module can cause the reduction of the conversion efficiency of a solar cell. Therefore, a solar cell module with a self-cooling function is designed to solve the above problems.

Disclosure of Invention

In order to overcome the shortcomings of the prior art, the utility model provides a solar module with from cooling function has a plurality of air vents in the middle of toughened glass to solve the problem of the difficult heat dissipation of solar module because multilayer encapsulation produces among the crystalline silicon solar module.

The utility model discloses a realize through following technical scheme: the utility model provides a solar module with from cooling function, includes aluminum alloy frame, toughened glass, solar wafer, EVA glued membrane, backplate and series connection grid line, its characterized in that: the tempered glass is arranged on the aluminum alloy frame, a plurality of air holes are reserved in the middle of the tempered glass, the solar cell pieces, the tempered glass on the upper surface and the back plate on the lower surface are bonded through EVA (ethylene vinyl acetate) adhesive films, and the solar cell pieces are connected through series grid lines and then led out to be connected into the junction box.

The vent holes are distributed on the surface of the toughened glass at equal intervals.

The diameter size of the vent hole is 0.5cm-3 cm.

And a miniature ventilation fan is arranged in the ventilation hole.

The diameter size of the miniature ventilation fan is 0.5cm-3cm, and the ventilation direction is single ventilation or bidirectional ventilation.

The micro ventilation fan ventilates by using wind pressure or external power.

And the through hole of the toughened glass is subjected to waterproof treatment by using EVA and PVC materials.

The toughened glass is aluminum-doped high-thermal-conductivity toughened glass, and the weight percentage of the metal aluminum is 2 multiplied by 10^-5。

The utility model has the advantages that: the aluminum-doped toughened glass has high strength and high thermal conductivity, and the light transmittance is not different from that of common toughened glass; the surface of the toughened glass is provided with the vent holes, so that the circulation of air on the front and the back can be accelerated, and the temperature of the surface of the battery can be reduced; the miniature ventilation fan is arranged at the toughened glass ventilation hole, so that the gas on the back of the battery can be effectively discharged to the surface of the battery.

Drawings

The invention will be further explained below with reference to the drawings and examples.

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic view of the back structure of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. the solar cell comprises an aluminum alloy frame, 2 parts of toughened glass, 3 parts of air vents, 4 parts of solar cells, 5 parts of EVA (ethylene vinyl acetate) adhesive films, 6 parts of a back plate, 7 parts of a micro ventilation fan, 8 parts of a junction box, 9 parts of series grid lines.

Detailed Description

As shown in fig. 1 to fig. 3, the solar cell module with the self-cooling function comprises an aluminum alloy frame 1, tempered glass 2, a solar cell 4, an EVA adhesive film 5, a back plate 6 and a series grid line 9, and is characterized in that: the tempered glass 2 is arranged on the aluminum alloy frame 1, a plurality of air vents 3 are reserved in the middle of the tempered glass 2, the solar cell pieces 4 are bonded with the tempered glass 2 on the upper surface and the back plate 6 on the lower surface through EVA (ethylene vinyl acetate) adhesive films 5, and the solar cell pieces 4 are connected through series grid lines 9 and then led out to be connected into a junction box 8.

The vent holes 3 are distributed on the surface of the toughened glass 2 at equal intervals. The vent holes 3 are formed from the surface of the toughened glass 2 to the surface of the back plate 6. Through the air vents 3, air on the front and back surfaces of the crystalline silicon solar cell module can freely flow.

The diameter of the vent hole 3 is 0.5cm-3 cm.

And a miniature ventilation fan 7 is arranged in the ventilation hole 3. The ventilating fan 7 can effectively exhaust the gas on the back surface to the surface of the battery, and increase the air flow on the surface of the battery.

The diameter size of the micro ventilation fan 7 is 0.5cm-3cm, and the ventilation direction is single ventilation or bidirectional ventilation.

The micro ventilation fan 7 ventilates air by using wind pressure or external power.

The toughened glass 2 is aluminum-doped high-thermal-conductivity toughened glass, and the weight percentage of the metal aluminum is 2 multiplied by 10^-5. The toughened glass adopts the aluminum-doped design, so that the heat conductivity of the toughened glass can be improved, and the heat on the surface of the battery piece can be effectively and timely discharged.

Claims

1. The utility model provides a solar module with from cooling function which characterized in that: the solar cell module comprises an aluminum alloy frame (1), toughened glass (2), solar cells (4), EVA (ethylene vinyl acetate) adhesive films (5), a back plate (6) and series grid lines (9), wherein the toughened glass (2) is arranged on the aluminum alloy frame (1), a plurality of air holes (3) are reserved in the middle of the toughened glass (2), the solar cells (4) are bonded with the toughened glass (2) on the upper surface and the back plate (6) on the lower surface through the EVA adhesive films (5), and the solar cells (4) are led out after being connected through the series grid lines (9) and then are connected into a junction box (8).

2. The solar cell module with the self-cooling function according to claim 1, wherein: the vent holes (3) are distributed on the surface of the toughened glass (2) at equal intervals.

3. The solar cell module with the self-cooling function according to claim 1, wherein: the diameter of the vent hole (3) is 0.5cm-3 cm.

4. The solar cell module with the self-cooling function according to claim 1, wherein: and a miniature ventilation fan (7) is arranged in the ventilation hole (3).

5. The solar cell module with the self-cooling function according to claim 4, wherein: the diameter of the micro ventilation fan (7) is 0.5cm-3cm, and the ventilation direction is single ventilation or two-way ventilation.

6. The solar cell module with the self-cooling function according to claim 4, wherein: the miniature ventilation fan (7) utilizes wind pressure or external electric power to ventilate.

7. The solar cell module with the self-cooling function according to claim 1, wherein: the toughened glass (2) is aluminum-doped high-thermal-conductivity toughened glass, and the weight percentage of the metal aluminum is 2 multiplied by 10^-5。