CN212874517U

CN212874517U - Film-pasted glass suitable for black photovoltaic module and black photovoltaic module

Info

Publication number: CN212874517U
Application number: CN202022192399.1U
Authority: CN
Inventors: 陆征宇
Original assignee: Hanwha SolarOne Qidong Co Ltd
Current assignee: Hanwha Q Cells Qidong Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-04-02
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a film glass suitable for black photovoltaic module and black photovoltaic module, the film glass includes the photovoltaic glass who has the front and the back and establishes at least one black pad pasting at the photovoltaic glass back, the black pad pasting is close to the medial surface of photovoltaic glass and is equipped with the viscose layer, makes the medial surface of black pad pasting laminate with photovoltaic glass; be used for placing the busbar on photovoltaic glass's the lateral surface is kept away from to black pad pasting, the length direction of black pad pasting is unanimous with the length direction of busbar, the length more than or equal to length of busbar of black pad pasting, the width more than or equal to width of busbar of black pad pasting, and the black pad pasting is made by high temperature resistant black macromolecular material. The film-coated glass provided by the utility model not only ensures the beauty of the black photovoltaic module, but also does not affect the welding of one surface of the bus bar close to the black film and the welding body in the junction box and the welding of the other surface of the bus bar far away from the black film and the welding strip; simple and convenient operation, high production efficiency and high product quality.

Description

Film-pasted glass suitable for black photovoltaic module and black photovoltaic module

Technical Field

The utility model relates to a photovoltaic module field especially relates to pad pasting glass and black photovoltaic module suitable for black photovoltaic module.

Background

Photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing the photovoltaic effect of a semiconductor, and the core unit of the technology is a photovoltaic module. The black component is one type of component, and the appearance is particularly attractive. The bus bar is silver and belongs to light color, and if the existing bus bar is used when a Black (Black) photovoltaic module is manufactured, the whole Black photovoltaic module cannot be Black. At present, a black bus bar is needed to be used for manufacturing the black photovoltaic module, namely, a black film is pasted on one surface of the bus bar, which is attached to photovoltaic glass, or a black material is sprayed on the surface of the bus bar, so that one surface of the bus bar is black to form the black bus bar.

The problems of the existing black bus bar manufacturing method are as follows: because the bus bar is small in size, the operation of pasting a black film or spraying black materials on one surface of the bus bar is not easy, the operation is not uniform or the size is not accurate after the film pasting or the spraying, the appearance is not attractive, the materials and the labor are wasted, and the cost is high; because black film pasting or black material spraying is carried out on one surface of the bus bar, the thickness of the bus bar is increased, and abnormity such as deviation can occur during automatic transmission; in the process of producing a photovoltaic module product, the side of the bus bar film is required to be connected with a welding body in the junction box in a welding mode, and redundant film or black materials are required to be removed (the width is larger than that of the bus bar when the film is generally pasted or sprayed), so that extra manpower is added; the side of the bus bar without the film is required to be welded with a welding strip at high temperature (about 200 ℃), and the black film or the sprayed black material is heated to shrink or deform during welding.

In addition, the bus bar is rolled when being fed, and the bus bar cutting lengths at different positions are different when the bus bar is used, so that the film is pasted on the bus bar, the film is customized according to different lengths, the price is higher, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides a pad pasting glass and black photovoltaic module suitable for black photovoltaic module, technical scheme is as follows:

the utility model provides a film pasting glass suitable for black photovoltaic module, it includes photovoltaic glass that has front and back and sets up at least one black pad pasting at the photovoltaic glass back, the medial surface that the black pad pasting is close to photovoltaic glass is provided with the viscose layer, makes the medial surface of black pad pasting laminate with the photovoltaic glass; the photovoltaic glass is characterized in that the outer side face of the photovoltaic glass is far away from the black adhesive film and used for placing a bus bar, the length direction of the black adhesive film is consistent with the length direction of the bus bar, the length of the black adhesive film is larger than or equal to the length of the bus bar positioned on the black adhesive film, the width of the black adhesive film is larger than or equal to the width of the bus bar, and the black adhesive film is made of high-temperature-resistant black high polymer materials.

Furthermore, the black film is in a strip-shaped structure.

Further, the thickness of the black adhesive film is larger than zero and less than or equal to 0.5 mm.

Further, the width of the black adhesive film is larger than that of the bus bar.

Further, both ends and middle part position of photovoltaic glass all are provided with black pad pasting.

Further, the black adhesive film is made of PET or polyimide.

The utility model also provides a black photovoltaic module, it includes be applicable to black photovoltaic module's pad pasting glass and busbar, the pad pasting glass is in including having the photovoltaic glass at front and the back and setting at least one black pad pasting at the photovoltaic glass back, the busbar with black pad pasting one-to-one, the busbar sets up on the lateral surface that photovoltaic glass was kept away from to black pad pasting.

The utility model provides a beneficial effect that technical scheme brought as follows:

a. the utility model provides a pad pasting glass suitable for black photovoltaic module when guaranteeing that black photovoltaic module is more pleasing to the eye, does not influence the welding of the one side that the busbar is close to black pad pasting and the welding of the internal welding body of terminal box again and does not influence the busbar and keep away from the another side and the solder strip high temperature welding of black pad pasting, and black pad pasting can not be heated shrink or warp, can not cause the influence to black photovoltaic module wholeness ability; the bus bar is not required to be structurally modified, and the automatic transmission of the bus bar is not influenced;

b. the operation is simple and convenient, the time and the labor are saved, the production efficiency is high, and the product quality is high; and the cost is saved.

Drawings

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

Fig. 1 is a top view of the film-coated glass suitable for black photovoltaic module provided by the embodiment of the present invention.

Wherein the reference numerals include: 1-photovoltaic glass, 2-black adhesive film.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention 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 is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device 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 device.

The utility model discloses an embodiment provides a pad pasting glass suitable for black photovoltaic module, and concrete structure is seen in figure 1, and it is in including having the photovoltaic glass 1 of front (coating film face) and back (knurling face) and setting at least one black pad pasting 2 at the photovoltaic glass 1 back, the medial surface that black pad pasting 2 is close to photovoltaic glass 1 is provided with the viscose layer, makes the medial surface of black pad pasting 2 with the laminating of photovoltaic glass 1 covers to photovoltaic glass refraction face.

The outer side face, far away from the photovoltaic glass 1, of the black adhesive film 2 is used for placing bus bars, namely the photovoltaic glass 1 needs several bus bars, so that the black adhesive film with the same number as the bus bars is needed, and the length direction of the black adhesive film 2 is consistent with that of the bus bars. The length more than or equal to of black pad pasting 2 is located the length of the busbar on it, the width more than or equal to of black pad pasting 2 the width of busbar, when the busbar is placed on black pad pasting 2, can't see the busbar from photovoltaic glass's front, black pad pasting 2's length and width all more than or equal to the busbar promptly just can cover the busbar completely from glass's front, make black photovoltaic module more pleasing to the eye.

The black pasting film 2 has the following specific structure: referring to fig. 1, the outer contour shape of the black film 2 corresponds to the outer contour shape of the bus bar, which is a long bar structure, and correspondingly, the black film 2 is preferably a long bar structure, such as a rectangular structure.

The thickness of the black adhesive film 2 is greater than zero and less than or equal to 0.5mm, and if the thickness is too small, the reliability of the black adhesive film on photovoltaic glass is insufficient, the black adhesive film is unstable and easy to fall off; if the thickness is too large, the whole thickness of the black photovoltaic module can be influenced, the thickness range can ensure the stability and the reliability, the black adhesive film is prevented from falling off or displacement change is prevented, and the whole thickness of the black photovoltaic module after assembly is not influenced.

The bus bars are arranged at the two end parts and the middle part of the photovoltaic glass 1, and then the two end parts and the middle part of the photovoltaic glass 1 are provided with black adhesive films 2.

Black pad pasting 2 is made by high temperature resistant black macromolecular material, has anti ultraviolet and damp and hot ageing resistance, when busbar and solder strip carry out high temperature (about 200 ℃) welding, black pad pasting can not be heated shrink or warp, just can cover the busbar completely from the positive view of glass, preferably, black pad pasting 2 is made by PET (polyethylene terephthalate) or polyimide, and both have good high temperature resistance.

The utility model provides a manufacturing approach suitable for black photovoltaic module's pad pasting glass as follows: place the black pad pasting in the position department that will place the busbar, the black pad pasting can directly bond photovoltaic glass 1's the back, then keep away from photovoltaic glass 1's lateral surface at black pad pasting 2 and place the busbar, need not the adhesion fixed, wait to place the solder strip welding behind the busbar, can use encapsulation glued membrane fixed photovoltaic glass and backplate at last.

The utility model also provides a black photovoltaic module, it includes be applicable to black photovoltaic module's pad pasting glass and busbar, the pad pasting glass is in including having the photovoltaic glass 1 and the setting at the front and the back at least one black pad pasting 2 at the photovoltaic glass 1 back, the busbar with 2 one-to-ones of black pad pasting (the quantity of busbar with the quantity of black pad pasting is the same), the busbar setting is kept away from photovoltaic glass 1's lateral surface at black pad pasting 2, and black pad pasting 2 sets up between photovoltaic glass 1 and busbar promptly.

The utility model provides a pad pasting glass suitable for black photovoltaic module when guaranteeing that black photovoltaic module is more pleasing to the eye, does not influence the welding of the one side that the busbar is close to black pad pasting and the welding of the internal welding body of terminal box and does not influence the busbar and keep away from the another side and the solder strip high temperature welding of black pad pasting again, and the welding normally goes on promptly, and black pad pasting also can not be heated shrink or warp, can not cause the influence to black photovoltaic module wholeness ability; the bus bar is not required to be structurally modified, and the automatic transmission of the bus bar is not influenced; simple and convenient operation, time and labor saving, high production efficiency and high product quality.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The film glass suitable for the black photovoltaic module is characterized by comprising photovoltaic glass (1) with a front surface and a back surface and at least one black film (2) arranged on the back surface of the photovoltaic glass (1), wherein an adhesive layer is arranged on the inner side surface, close to the photovoltaic glass (1), of the black film (2), so that the inner side surface of the black film (2) is attached to the photovoltaic glass (1); the photovoltaic glass is characterized in that the outer side face of the photovoltaic glass (1) is far away from the black adhesive film (2) and used for placing a bus bar, the length direction of the black adhesive film (2) is consistent with the length direction of the bus bar, the length of the black adhesive film (2) is larger than or equal to the length of the bus bar positioned on the black adhesive film, the width of the black adhesive film (2) is larger than or equal to the width of the bus bar, and the black adhesive film (2) is made of high-temperature-resistant black high polymer materials.

2. The film glass suitable for the black photovoltaic module is characterized in that the black film (2) is in a long strip structure.

3. The film glass suitable for the black photovoltaic module, according to the claim 1, is characterized in that the thickness of the black film (2) is greater than zero and less than or equal to 0.5 mm.

4. The film glass suitable for black photovoltaic module according to claim 1, wherein the black film (2) has a width greater than the width of the bus bar.

5. The film glass suitable for the black photovoltaic module as claimed in claim 1, wherein the photovoltaic glass (1) is provided with black films (2) at both ends and in the middle.

6. The film glass suitable for black photovoltaic modules according to claim 1, characterized in that the black film (2) is made of PET or polyimide.

7. A black photovoltaic module, comprising the coated glass suitable for black photovoltaic module as claimed in any one of claims 1 to 6, and a bus bar, wherein the coated glass comprises a photovoltaic glass (1) having a front surface and a back surface, and at least one black coating (2) disposed on the back surface of the photovoltaic glass (1), the bus bar is in one-to-one correspondence with the black coating (2), and the bus bar is disposed on the outer side surface of the black coating (2) away from the photovoltaic glass (1).