CN212034072U

CN212034072U - Photovoltaic module with self-cleaning function

Info

Publication number: CN212034072U
Application number: CN202020437191.9U
Authority: CN
Inventors: 马维波
Original assignee: Volma New Energy Jiangsu Co ltd
Current assignee: Volma New Energy Jiangsu Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-11-27
Anticipated expiration: 2030-03-30

Abstract

The utility model relates to a photovoltaic assembly with self-cleaning function, which comprises an outer frame and a photovoltaic assembly body; the photovoltaic module body comprises a light receiving surface, a battery and a backlight surface, wherein the battery is positioned between the light receiving surface and the backlight surface, and the battery is connected with the light receiving surface and the backlight surface through a bonding agent; the surface of the light receiving surface is coated with an antireflection film; the outer frame comprises two symmetrical sectional materials, each sectional material comprises a supporting piece, a cross rod and a vertical rod, one end of each vertical rod is arranged on the corresponding supporting piece, the other end of each vertical rod is fixedly connected with the corresponding cross rod, and a mounting groove for mounting the photovoltaic module body is formed among the top surface of each supporting piece, the side surface of each vertical rod and the bottom surface of each cross rod; a plurality of water flowing grooves are uniformly distributed on the cross rod. The utility model discloses can guarantee the stability of photovoltaic module's temperature to and can utilize the rainwater to clean dust, snow etc. on photovoltaic module surface, with the normal work of guaranteeing photovoltaic module.

Description

Photovoltaic module with self-cleaning function

Technical Field

The utility model belongs to the technical field of photovoltaic module, concretely relates to photovoltaic module with self-cleaning function.

Background

Solar cells utilize the photovoltaic effect to convert solar radiation into electrical energy. Under the situation that the traditional energy is increasingly tense, the solar cell will become an important alternative energy in the future, so that the efficiency is required to be continuously improved and the cost is required to be reduced.

At present, the cooling means of the solar photovoltaic module is mainly realized by arranging heat dissipation equipment on a lower bottom plate, so that the cost of the solar photovoltaic module is improved; moreover, the surface of the solar photovoltaic module is easily covered by dust, snow and the like to cause hot spot effect, so that the characteristics and the whole of a single battery or a group of batteries are not consistent, and the short-circuit current, the open-circuit voltage, the output power and the like of the solar photovoltaic module are influenced. Since the photovoltaic power generation system is mostly built in a region with rare human smoke, cleaning of dust, snow and the like on the surface of the solar photovoltaic module requires a large amount of manpower and material resources, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned defect, provide a photovoltaic module with self-cleaning function, can guarantee the stability of photovoltaic module's temperature simultaneously to and can utilize the rainwater to clean dust, snow etc. on photovoltaic module surface, with the normal work of guaranteeing photovoltaic module.

The utility model provides a technical scheme that its technical problem adopted as follows:

a photovoltaic module with a self-cleaning function comprises an outer frame and a photovoltaic module body; the photovoltaic module body comprises a light receiving surface, a battery and a backlight surface, wherein the battery is positioned between the light receiving surface and the backlight surface, and the battery is connected with the light receiving surface and the backlight surface through a bonding agent; the surface of the light receiving surface is coated with an antireflection film; the outer frame comprises two symmetrical sectional materials, each sectional material comprises a supporting piece, a cross rod and a vertical rod, one end of each vertical rod is arranged on the corresponding supporting piece, the other end of each vertical rod is fixedly connected with the corresponding cross rod, and a mounting groove for mounting the photovoltaic module body is formed among the top surface of each supporting piece, the side surface of each vertical rod and the bottom surface of each cross rod; a plurality of water flowing grooves are uniformly distributed on the cross rod, the water flowing grooves penetrate through two opposite ends of the cross rod, and the width of one side, far away from the vertical rod, of each water flowing groove is larger than that of one side, close to the vertical rod, of each water flowing groove; one end of the launder is provided with a notch, the notch is positioned on one side of the cross rod close to the vertical rod, and the upper end face of the notch is lower than the upper end face of the photovoltaic module body.

Furthermore, one side surface of the vertical rod and one side surface of the supporting piece are flush with each other.

Furthermore, support piece, horizontal pole and montant are integrated into one piece structure.

Furthermore, the support part is provided with a socket which is arranged along the axial direction of the support part.

Furthermore, four reinforcing ribs are arranged in the insertion opening, and the four reinforcing ribs are connected end to form a diamond structure.

The utility model has the advantages that:

(1) the utility model can increase the light transmittance through the anti-reflection film to improve the efficiency of the battery, thereby ensuring the temperature stability of the photovoltaic module; rainwater can be drained in time through the gutter channel, and the rainwater can simultaneously take away dust, accumulated snow and the like on the photovoltaic module body so as to ensure the cleanness of the photovoltaic module body, thereby avoiding hot spot effect and ensuring the normal work of the photovoltaic module body; the width of the side of the water flowing groove far away from the vertical rod is larger than that of the side close to the vertical rod, so that rainwater can be drained quickly; the notch up end is less than the up end of photovoltaic module body, can prevent like this that the rainwater from adsorbing on the photovoltaic module body.

(2) The utility model discloses well support piece, horizontal pole and montant are integrated into one piece structure, sound construction.

(3) The utility model discloses be equipped with the socket on well support piece, this socket sets up along support piece's axial to the installation of section bar is fixed.

(4) The utility model discloses be equipped with four strengthening ribs in the well rabbet, four strengthening ribs end to end are the rhombus structure to increase the structural firmness of section bar.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

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

FIG. 2 is a top view of FIG. 1;

wherein: the photovoltaic module comprises an outer frame 1, a section bar 11, a support member 111, a cross bar 112, vertical bars 113, sockets 114, reinforcing ribs 115, a water flowing groove 116, a notch 117, a photovoltaic module body 2, a light receiving surface 21, a battery 22 and a backlight surface 23.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

A photovoltaic module with a self-cleaning function as shown in fig. 1 and 2 includes an outer frame 1 and a photovoltaic module body 2.

The photovoltaic module body 2 comprises a light receiving surface 21, a battery 22 and a backlight surface 23, wherein in the embodiment, the light receiving surface and the backlight surface are both glass sheets, the battery 22 is positioned between the light receiving surface 21 and the backlight surface 23, and the battery 22 is connected with the light receiving surface 21 and the backlight surface 23 through an adhesive; the surface of the light receiving surface 21 is coated with an antireflection film, and the antireflection film in the embodiment is preferably a porous silicon dioxide antireflection film, so that the conversion efficiency of the cell can be improved by 5% -6%, the crack resistance of the light receiving surface can be improved, and the temperature stability of the photovoltaic module is ensured.

The outer frame 1 comprises two symmetrical sectional materials 11, the sectional materials 11 comprise a supporting piece 111, a cross bar 112 and a vertical bar 113, a socket 114 is arranged on the supporting piece 111, the socket 114 is arranged along the axial direction of the supporting piece, four reinforcing ribs 115 are arranged in the socket 114, and the four reinforcing ribs 115 are connected end to form a diamond structure. One end of the vertical rod 113 is arranged on the supporting piece 111, the other end of the vertical rod 113 is fixedly connected with the cross rod 112, one side surface of the vertical rod 113 is flush with one side surface of the supporting piece 111, and an installation groove for installing the photovoltaic module body 2 is formed among the top surface of the supporting piece 111, the side surface of the vertical rod 113 and the bottom surface of the cross rod 112; support member 111, cross-bar 112, and vertical bar 113 are integrally formed. A plurality of water flowing grooves 116 are uniformly distributed on the cross bar 112, the water flowing grooves 116 penetrate through two opposite ends of the cross bar 112, and the width of one side of the water flowing groove 116 far away from the vertical bar 113 is larger than that of one side close to the vertical bar 113; one end of the water flowing groove 116 is provided with a notch 117, the notch 117 is positioned on one side of the cross bar 112 close to the vertical bar 113, and the upper end surface of the notch 117 is lower than the upper end surface of the photovoltaic module body 2.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.

Claims

1. A photovoltaic module with self-cleaning function, its characterized in that: the photovoltaic module comprises an outer frame and a photovoltaic module body;

the photovoltaic module body comprises a light receiving surface, a battery and a backlight surface, wherein the battery is positioned between the light receiving surface and the backlight surface, and the battery is connected with the light receiving surface and the backlight surface through a bonding agent; the surface of the light receiving surface is coated with an antireflection film;

the outer frame comprises two symmetrical sectional materials, each sectional material comprises a supporting piece, a cross rod and a vertical rod, one end of each vertical rod is arranged on the corresponding supporting piece, the other end of each vertical rod is fixedly connected with the corresponding cross rod, and a mounting groove for mounting the photovoltaic module body is formed among the top surface of each supporting piece, the side surface of each vertical rod and the bottom surface of each cross rod;

a plurality of water flowing grooves are uniformly distributed on the cross rod, the water flowing grooves penetrate through two opposite ends of the cross rod, and the width of one side, far away from the vertical rod, of each water flowing groove is larger than that of one side, close to the vertical rod, of each water flowing groove; one end of the launder is provided with a notch, the notch is positioned on one side of the cross rod close to the vertical rod, and the upper end face of the notch is lower than the upper end face of the photovoltaic module body.

2. A photovoltaic module with self-cleaning function as claimed in claim 1, characterized in that: one side surface of the vertical rod is flush with one side surface of the supporting piece.

3. A photovoltaic module with self-cleaning function as claimed in claim 1, characterized in that: the supporting piece, the cross rod and the vertical rod are of an integrally formed structure.

4. A photovoltaic module with self-cleaning function as claimed in claim 1, characterized in that: the support piece is provided with a socket which is arranged along the axial direction of the support piece.

5. A photovoltaic module with self-cleaning function as claimed in claim 4, characterized in that: four reinforcing ribs are arranged in the insertion opening and are connected end to form a diamond structure.