CN210092113U

CN210092113U - Be applied to photovoltaic module's reflectance coating or EVA treatment facility and photovoltaic module

Info

Publication number: CN210092113U
Application number: CN201822243202.5U
Authority: CN
Inventors: 陈忠斌
Original assignee: Suzhou Golden Star Electronic Technology Co ltd
Current assignee: Suzhou Golden Star Electronic Technology Co ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2020-02-18
Anticipated expiration: 2028-12-28

Abstract

The utility model discloses a be applied to photovoltaic module's reflectance coating or EVA treatment facility and photovoltaic module, the creative provision utilizes ozone treatment reflectance coating or EVA, and the EVA layer on the reflectance coating (or EVA is compound again after ozone treatment to the reflectance coating) process the utility model provides an ozone atmosphere that equipment provided is handled the back, is applied to the photovoltaic module product, bonds in photovoltaic module between the piece and/or between the piece cluster through the EVA layer directly over the clearance or the top of weld the area. The utility model discloses creative ozone treatment EVA that utilizes promotes its adhesion ability.

Description

Be applied to photovoltaic module's reflectance coating or EVA treatment facility and photovoltaic module

Technical Field

The utility model relates to a photovoltaic module field, more specifically say, relate to a be applied to photovoltaic module's reflectance coating or EVA treatment facility and photovoltaic module.

Background

In the prior art, gaps and solder strips covered on the photovoltaic modules are arranged between the photovoltaic modules and between the photovoltaic module strings, and the gaps and the solder strips substantially occupy the surface area of the photovoltaic modules but cannot participate in energy conversion, so that sunlight received by the part of the area is wasted, the effective power generation area of a single photovoltaic module is reduced, and the problem needs to be further solved along with the higher and higher requirements on the power generation efficiency of the photovoltaic modules. Therefore, a reflective film is provided, which has a micro-prism structure, covers the gaps and the solder strips, and reflects sunlight irradiated on the positions to a sheet working area through the micro-prisms and the glass panel, so that the sunlight is utilized, and the power generation efficiency of the photovoltaic module is effectively improved. These reflective films are generally bonded to solder ribbons or glass using EVA, but the adhesion of EVA to solder ribbons and glass still needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a technical scheme with low costs, the scheme is simple.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a reflective film or EVA treatment apparatus for use in a photovoltaic module, comprising:

the processing box is used for accommodating a reflecting film or EVA (ethylene vinyl acetate) to be processed;

and the ozone generator is connected with the treatment box and provides an ozone atmosphere for the inside of the treatment box.

The utility model provides a be applied to photovoltaic module's reflectance coating or EVA treatment facility, the creative provision utilizes ozone treatment reflectance coating or EVA, and the EVA layer on the reflectance coating (or EVA compounds to on the reflectance coating again after ozone treatment) process the utility model provides an ozone atmosphere after handling of equipment provides, be applied to the photovoltaic module product, bond in photovoltaic module between the piece and/or between the piece cluster directly over the clearance or weld the top in area through the EVA layer. The utility model discloses creative ozone treatment EVA that utilizes promotes its adhesion ability.

1. In practical application, the concentration of ozone is about 400-500PPM, the working temperature is 30 ℃ or below, and the humidity is 60% or below; ozone is an oxidation process, can increase the polarization between EVA and PET, has the processing speed of about 20 m/min-40 m/min, has the ozone spraying distance of about 5-20 mm away from PET, and adjusts the position according to the stripping force; thereby increasing the peel strength by about 2 newtons per centimeter of width and reducing the deflection upon lamination by about 0.2 millimeters.

2. The offset during lamination is reduced by the integrity of the stock: the polarization mode between the EVA and the PET is increased by ozone, the stripping force between the EVA and the PET is increased by about 2N/cm, so that the reflecting film is integrated, and the offset between the layers of the materials during the lamination of the assembly is reduced.

Furthermore, a rotary conveying device is arranged in the treatment box, a discharging roller is arranged at the starting end of the rotary conveying device, and a receiving roller is arranged at the tail end of the rotary conveying device.

Furthermore, the work rotation conveying device also comprises more than 1 conveying roller, the discharging roller and the receiving roller are all horizontally arranged, and the rotation axes of the conveying roller, the discharging roller and the receiving roller are all parallel to each other.

Furthermore, the reflective film or EVA treatment equipment applied to the photovoltaic module further comprises an ozone flowing and conveying device, wherein the ozone flowing and conveying device comprises a suction inlet and a spray outlet which are respectively arranged at different positions on the inner wall of the treatment box, a pipeline connected with the suction inlet and the spray outlet, and a gas circulating power device which is arranged on the pipeline and is used for driving ozone inside the treatment box to circularly reciprocate through the suction inlet, the pipeline, the spray outlet and the treatment box.

Further, be applied to photovoltaic module's reflectance coating or EVA treatment facility still including setting up the water conservancy diversion baffle in the treatment box for guide ozone air current flows the positive and negative of reflectance coating or EVA that needs the processing.

Furthermore, the diversion baffle plate forms a zigzag channel in the treatment box, a conveying roller is arranged at each turning part of the channel, and a discharge roller and a receiving roller are respectively arranged at the head and the tail of the channel.

Furthermore, one side of the flow guide partition board facing the channel is also provided with a plurality of turbulence protrusions.

The utility model also provides a processing method who is applied to photovoltaic module's reflectance coating or EVA, including following step:

and placing the reflecting film or EVA applied to the photovoltaic module in an ozone atmosphere and fully contacting with ozone.

Further, the ozone atmosphere requires the provision of a flowing stream of ozone.

The utility model also discloses a photovoltaic module, wherein the photovoltaic module is provided with a reflecting film or EVA produced by the processing equipment; or a reflective film or EVA treated using the above method.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 and 2 show schematic diagrams of different examples of the present invention applied to a reflective film or EVA treatment device of a photovoltaic module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A reflective film or EVA treatment apparatus for use in a photovoltaic module, comprising:

In some embodiments, as shown in fig. 1, a rotary conveyor is arranged in the treatment tank 1, the starting end of the rotary conveyor is provided with an emptying roller 21, and the tail end of the rotary conveyor is provided with a receiving roller 24. During the practical use, the material roll 22 to be processed is sleeved on the discharging roll 21, the material receiving roll 25 is sleeved on the material receiving roll 24, then the head of the material belt 26 is pulled out from the material roll 22 and wound on the material receiving roll 25, the material belt 26 between the material receiving roll 25 and the material roll 22 is suspended and exposed in the processing box 1, at the moment, the processing box 1 can be sealed, ozone is filled in the processing box 1, the material belt 26 and the ozone are in full contact reaction, and finally, the better adhesion performance is obtained, meanwhile, the material receiving roll 24 can be driven to rotate according to the set speed, and the situation that each section of the material belt 26 is kept for enough time in the ozone atmosphere is ensured. Until finally the take-up roll 25 has completely recovered the strip 26 from the roll 22. Finally, the material roll 25 and the ozone-treated material belt 26 are taken out.

In the example of fig. 1, the work slewing device further comprises 1 feed roller 23, and the feed roller 23, the discharge roller 21 and the take-up roller 24 are all horizontally arranged with their rotation axes parallel to each other. The effect of conveying roller 23 both can play the effect of support material area 26 and regulation tension (can cooperate the compression roller again when necessary), can promote the naked length in the material area 26 of fixed 1 spaces of case of handling again greatly, shortens the processing time, promotes the operating efficiency, promotes the utilization ratio of handling the case. Fig. 1 is an example of 1 conveying roller.

In some embodiments, the reflective film or EVA treatment apparatus applied to the photovoltaic module further comprises an ozone flow delivery device including a suction port 41 and a discharge port 42 respectively provided at different positions on the inner wall of the treatment tank, and a pipeline 43 connecting the suction port 41 and the discharge port 42, and a gas circulation power device 44 provided on the pipeline 43 for driving the ozone inside the treatment tank to circulate back and forth through the suction port 41, the pipeline 43, the discharge port 42, and the treatment tank 1. Thus, in addition to injecting ozone into the treatment tank by the ozone generator 3, the ozone circulating flow in the treatment tank can be driven by the ozone flowing and conveying device, and the reaction efficiency between the ozone and the material belt 26 is improved.

In some embodiments, in order to better guide the ozone to flow through the front and back sides of the material belt 26, the reflective film or EVA treatment device applied to the photovoltaic module further comprises a baffle 5 disposed in the treatment tank 1 for guiding the ozone air flow through the front and back sides of the material belt 26 (reflective film or EVA) to be treated.

As shown in fig. 2, it is an application example of a plurality of conveying rollers 23, and at the same time, the baffle plate is fully utilized to increase the utilization efficiency of ozone, the baffle plate forms a zigzag channel in the treatment box, a conveying roller is arranged at each turn of the channel, and a discharge roller and a receiving roller are respectively arranged at the head and the tail of the channel.

In order to further improve the utilization efficiency of ozone and overcome the problem that only a part of ozone flowing close to the material belt 26 participates in reaction in the original scheme, a plurality of turbulence protrusions (not shown in the figure) are further arranged on one side of the diversion partition plate 5 facing the channel, and the turbulence protrusions can be ribs, convex plates, cylindrical protrusions or arc-shaped fins and the like, so that the ozone airflow in the channel continuously rolls and mixes, and the ozone and the material belt 26 are fully contacted.

The utility model also discloses a photovoltaic module, wherein the reflecting film or EVA of the claim is applied in the photovoltaic module; or a reflective film or EVA treated using the above method.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and similar parts between the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a be applied to photovoltaic module's reflectance coating or EVA treatment facility which characterized in that includes:

2. The reflective film or EVA processing apparatus for photovoltaic module according to claim 1,

a rotary conveying device is arranged in the treatment box, a discharging roller is arranged at the starting end of the rotary conveying device, and a receiving roller is arranged at the tail end of the rotary conveying device.

3. The reflective film or EVA processing apparatus for photovoltaic module according to claim 2,

the rotary conveying device also comprises more than 1 conveying roller, the discharging roller and the receiving roller are all horizontally arranged, and the rotation axes of the conveying roller, the discharging roller and the receiving roller are all parallel to each other.

4. The reflective film or EVA processing apparatus for photovoltaic module according to any one of claims 1 to 3,

the reflective film or EVA treatment equipment applied to the photovoltaic module further comprises an ozone flowing and conveying device, wherein the ozone flowing and conveying device comprises a suction inlet and a spray outlet which are respectively arranged at different positions on the inner wall of the treatment box, a pipeline connected with the suction inlet and the spray outlet, and a gas circulating power device which is arranged on the pipeline and is used for driving ozone inside the treatment box to circularly reciprocate through the suction inlet, the pipeline, the spray outlet and the treatment box.

5. The reflective film or EVA processing apparatus for photovoltaic module according to claim 4,

be applied to photovoltaic module's reflectance coating or EVA treatment facility still including setting up the water conservancy diversion baffle in the treatment box for guide ozone air current flows the positive and negative of reflectance coating or EVA that need handle.

6. The reflective film or EVA processing apparatus for photovoltaic module according to claim 5,

the diversion baffle plates form a zigzag channel in the treatment box, a conveying roller is arranged at each turning position of the channel, and the head and the tail of the channel are respectively provided with a discharging roller and a receiving roller.

7. The reflective film or EVA processing apparatus applied to photovoltaic module of claim 6, wherein the side of the baffle facing the channel is further provided with a plurality of flow disturbing protrusions.

8. The reflective film or EVA processing apparatus applied to photovoltaic module of claim 7, wherein the turbulence protrusion is a rib, a convex plate, a cylindrical protrusion, or a circular arc fin.

9. A photovoltaic module comprising a reflective film or EVA produced by the processing apparatus of any of claims 1 to 8.