CN213094101U

CN213094101U - Photovoltaic module

Info

Publication number: CN213094101U
Application number: CN202021954197.XU
Authority: CN
Inventors: 吴正同
Original assignee: GCL System Integration Technology Co Ltd
Current assignee: GCL System Integration Technology Co Ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-30
Anticipated expiration: 2030-09-09

Abstract

A photovoltaic assembly is arranged on a supporting beam of a photovoltaic bracket and comprises a frame, wherein a plurality of frames are formed by enclosing; connecting corner connectors for connecting two adjacent frames; a package mounted on the frame; the fixing component is fixed on the frame and comprises a pressing part used for pressing the packaging part on the frame; the fastening piece is used for connecting the fixing component with the supporting beam; the cross-sectional structure of frame is "L" type, the frame includes: a base placed on the support beam, the side of the package abutting the base; and the plate body part extends outwards from one side of the base part, and the plate body part and the pressing part clamp the edge of the packaging piece in the vertical direction.

Description

Photovoltaic module

Technical Field

The utility model relates to a photovoltaic module.

Background

The solar energy is used as a green new energy, and has the advantages of inexhaustibility, cleanness, environmental protection and the like. The solar photovoltaic component gradually replaces the traditional petrochemical combustion energy in some fields and becomes widely applied green energy; the production of the photovoltaic modules is distributed all over the world, the distributed photovoltaic modules are installed in thousands of households, and photovoltaic power stations are established in various places all over the world. With the progress of the photovoltaic module technology, the production scale is larger and larger, and the cost of the photovoltaic module is reduced more and more, so that the photovoltaic module is suitable for large-scale production and wider market demands.

The conventional photovoltaic module is generally installed in two ways, namely, a press block clamping way, wherein a photovoltaic module frame is clamped and fixed through a press block; the other mode is screw installation, and the frame and the photovoltaic support are connected and installed through a fastening sleeve. Above mounting means, the frame cross-sectional structure of photovoltaic module is required to have the pressure face of top surface, frame bottom surface and the contact pressure-bearing face of supporting beam simultaneously. The frame has a certain height, and a side face is formed on the structure; the bottom surface of the frame is provided with a screw hole, and the frame is fixedly connected with the supporting beam of the bracket through a fastening sleeve. The section structure of the frame can meet the requirement of the installation mode, but the section structure is complex, and the used aluminum material has larger weight per meter (mass of aluminum material per unit length).

Photovoltaic power plants require lower and lower costs, the frame of a photovoltaic module accounts for about 10% of the cost of the whole module, and reducing the material cost of the frame is a necessary requirement and trend. Under some installation environments with low requirements on wind load and snow load, the frame of the photovoltaic assembly can be relatively simplified.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple and easy, simple to operate, low-cost photovoltaic module of structure.

In order to achieve the above purpose, the utility model provides a following technical scheme: a photovoltaic assembly is arranged on a supporting beam of a photovoltaic bracket and comprises a frame, wherein a plurality of frames are formed by enclosing; connecting corner connectors for connecting two adjacent frames; a package mounted on the frame; the fixing component is fixed on the frame and comprises a pressing part used for pressing the packaging part on the frame; the fastening piece is used for connecting the fixing component with the supporting beam; it is characterized in that, the section structure of frame is "L" type, the frame includes: a base placed on the support beam, the side of the package abutting the base; and the plate body part extends outwards from one side of the base part, and the plate body part and the pressing part clamp the edge of the packaging piece in the vertical direction.

Further, the fixing component is characterized by further comprising a locking part formed by extending from one side of the pressing part, and the fastening part is connected with the locking part and the supporting cross beam.

Furthermore, the fixing assembly further comprises locking parts, each fixing assembly is provided with two pressing parts, the two pressing parts extend outwards from two opposite sides of the locking part, and the fastening piece is connected with the locking parts and the supporting cross beam.

Furthermore, the fixing component also comprises a connecting part formed between the locking part and the pressing part, and two convex points are formed on the connecting part in a protruding mode towards the base part and used for fixing the relative position of the base part and the fixing component.

Further, a closed cavity is formed on the base.

Furthermore, a clamping cavity is formed in the base, the fixing assembly comprises a first fixing piece and a second fixing piece, the first fixing piece comprises the pressing portion and a first clamping portion formed by extending the pressing portion backwards, the first clamping portion is inserted into the clamping cavity, the second fixing piece comprises a locking portion and a second clamping portion formed by extending the locking portion backwards, the fastening piece is connected with the locking portion and the supporting beam, and the second clamping portion is inserted into the clamping cavity.

Furthermore, a clamping cavity is formed in the base, the fixing assembly comprises a first fixing piece and a second fixing piece, the first fixing piece comprises the pressing portion and a first clamping portion extending backwards from the pressing portion, the first clamping portion is inserted into the clamping cavity, the second fixing piece comprises a locking portion and two second clamping portions, the two second clamping portions extend outwards from two opposite sides of the locking portion, the fastening piece is connected with the locking portion and the supporting beam, and the second clamping portions are respectively inserted into the clamping cavities of the two oppositely set frames.

Further, the frame is adhered to the package, and a buffer is arranged between the abutting portion and the package.

Furthermore, a clamping structure for realizing mechanical connection is formed between the buffer piece and the abutting part.

Furthermore, the buffer piece protrudes towards the pressing portion to form a clamping point with a reverse convex structure, the pressing portion is concave inwards to form a clamping groove for clamping the clamping point, and the clamping point and the clamping groove form the clamping structure.

The beneficial effects of the utility model reside in that: the cross-sectional structure of the frame of this application is "L" type, has cancelled traditional photovoltaic module's upper portion and has supported the face, save material more. In order to strengthen the fixing effect between the frame and the supporting beam, the fixing component is used for pressing the upper surface of the packaging part, the fixing part is fixed on the supporting beam through the fastener, and the packaging part can be more firmly installed on the frame by the combined use of the fixing component and the fastener, so that the size of the frame can be smaller, and raw materials can be saved more.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is an exploded view of the components of a photovoltaic module frame.

Fig. 2 is a schematic cross-sectional structure of the frame.

Fig. 3 is a schematic cross-sectional view of the fixing member according to the first embodiment.

Fig. 4 is a schematic view of a cross-sectional mechanism of a fixing member of the second embodiment.

FIG. 5 is a schematic cross-sectional view of a first fixing element according to a third embodiment.

FIG. 6 is a schematic cross-sectional view of a second fixing member according to a third embodiment.

FIG. 7 is a schematic cross-sectional view of a second fixing member according to a fourth embodiment.

Fig. 8 is a schematic structural diagram of four photovoltaic modules mounted on a photovoltaic support.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 and 3, a photovoltaic module according to an embodiment of the present invention includes a frame (not numbered) formed by surrounding a frame 1 and the frame 1, a connecting corner bracket 2 connecting adjacent frames 1, a package member 3 assembled on the frame (not numbered), a fixing member (not numbered) for pressing the package member 3 on the frame 1, and a fastening member 4 for fixedly connecting the fixing member (not numbered) and a supporting beam 6. The frame 1 is a long strip, and since the package 3 is generally rectangular, the frame 1 is divided into a long frame 11 and a short frame 12, and the length of the long frame 11 is greater than that of the short frame 12. Two long rims 11 and two short rims 12 are enclosed to form a frame (not numbered).

Referring to fig. 2, the frame has an L-shaped cross-section, and includes a base portion 17 and a plate portion 18 extending outward from one side of the base portion 17. A cavity 170 is formed in the base 17 for mounting the connection bracket 2 (see fig. 1). The base portion 17 and the plate portion 18 are placed on the supporting beam 6 (see fig. 3), the side surface of the package 3 (see fig. 1) abuts against the base portion 17, the upper surface of the plate portion 18 is the supporting surface 181, the package 3 (see fig. 1) is bonded on the supporting surface 181, for example, fixing glue is applied on the supporting surface 181, the package 3 (see fig. 1) is placed on the supporting surface 181, gaps between the package 3 (see fig. 1) and the supporting surface 181 and between the package 3 (see fig. 1) and the base portion 17 are further filled with the fixing glue, and finally, the fixing glue is waited to be cured.

Referring to fig. 3, in the embodiment, the fixing assembly (not numbered) includes a pressing portion 51, the pressing portion 51 is used for pressing the package 3 against the supporting surface 181, and the pressing portion 51 and the plate portion 18 clamp the edge of the package 3 in the up-down direction. The fixing assembly (not numbered) further includes a locking portion 52 formed to extend from one side of the pressing portion 51, and the fastening member 4 connects the locking portion 52 and the supporting beam 6. The fastener 4 is a component capable of realizing conventional mechanical connection modes such as screw connection, riveting and the like, and is not described in detail herein. The fixing assembly (not numbered) further comprises a connecting part 53 formed between the locking part 52 and the pressing part 51, two salient points 531 are formed on the connecting part 53 in a protruding mode towards the base 17, and the salient points 531 are used for fixing the relative positions of the base 17 and the fixing assembly (not numbered) and the base 17 and the supporting beam 6.

In other embodiments, the fixing member (not numbered) may also be changed in the following structure.

Referring to fig. 4, in the second embodiment, the fixing assemblies (not numbered) include locking portions 52, each fixing assembly (not numbered) has two pressing portions 51, the two pressing portions 51 are formed by extending outward from two opposite sides of the locking portion 52, the fastening member 4 connects the locking portion 52 and the supporting beam 6, and the pressing portions 51 are used for pressing the package 3 against the frame 1. The fixing component (not numbered) further comprises two connecting parts 53 formed between the locking part 52 and the two pressing parts 51, two salient points 531 are respectively formed on the two connecting parts 53 in a protruding mode towards the base part 17, and the salient points 531 are used for fixing the relative positions of the base part 17 and the fixing component (not numbered) and the relative positions of the base part 17 and the supporting beam 6. It should be noted that the fixing component (not numbered) of the present embodiment is generally used for fixing two packages 3 at the same time, and two pressing portions 51 respectively press against two adjacent packages 3 (which will be described in detail later).

Referring to fig. 5 and 6, in a third embodiment, a clamping cavity 172 is formed on the base 17, the fixing assembly (not numbered) includes a first fixing member 56 and a second fixing member 57, the first fixing member 56 includes the pressing portion 51 and a first clamping portion 54 extending backward from the pressing portion 51, the pressing portion 51 is used for pressing the package 3 against the frame 1, the first clamping portion 54 is inserted into the clamping cavity 172 to fixedly connect the first fixing member 56 with the frame 1, the second fixing member 57 includes a locking portion 52 and a second clamping portion 55 extending backward from the locking portion 52, the fastener 4 connects the locking portion 52 with the supporting beam 6, and the second clamping portion 55 is inserted into the clamping cavity 172 to fixedly connect the second fixing member 57 with the frame 1. Since the first fixing member 56 does not include the locking portion 52 and the second fixing member 57 includes the locking portion 52; the second fixing member 57 does not include the pressing portion 51, and the first fixing member 56 includes the pressing portion 51, so in order to firmly fix the frame 1 and the package 3 on the supporting beam 6, the first fixing member 56 and the second fixing member 57 should be used on the same frame 1.

Referring to fig. 5 and 7, in the fourth embodiment, a holding cavity 172 is formed on the base 17, the fixing assembly (not numbered) includes a first fixing member 56 and a second fixing member 57, the first fixing member 56 includes the pressing portion 51 and a first holding portion 54 extending backward from the pressing portion 51, the pressing portion 51 is used for pressing the package 3 against the frame 1, and the first holding portion 54 is inserted into the holding cavity 172 to fixedly connect the first fixing member 56 and the frame 1. The second fixing members 57 include locking portions 52, each of the second fixing members 57 has two second clamping portions 55, the two second clamping portions 55 are formed by extending outward from two opposite sides of the locking portion 52, the fastening member 4 is connected to the locking portion 52 and the supporting beam 6, and the second clamping portions 55 are inserted into the clamping cavities 172 of two adjacent frames 1 to fixedly connect the second fixing members 57 to the frames 1, so as to connect the two frames 1. Since the first fixing member 56 does not include the locking portion 52 and the second fixing member 57 includes the locking portion 52; the second fixing member 57 does not include the pressing portion 51, and the first fixing member 56 includes the pressing portion 51, so in order to firmly fix the frame 1 and the package 3 on the supporting beam 6, the first fixing member 56 and the second fixing member 57 should be used on two adjacent frames 1 at the same time. It should be noted that, the fixing component (not numbered) of the second embodiment is generally used for fixing two packages 3 at the same time, and the two pressing portions 51 respectively press against two adjacent packages 3 (which will be described in detail later).

Referring to fig. 3 and fig. 4, it should be noted that: in the first and second embodiments, the inner cavity 170 of the base 17 is only used for placing the connecting corner brace 2 (not shown) and is not connected with other components in a matching manner, so that the cavity 170 can be a closed cavity 170 and can be any shape matched with the shape of the connecting corner brace 2 (not shown), such as a square shape, a circular shape and the like. Referring to fig. 5 to 7, in the third and fourth embodiments, since the first fixing member 56 and the second fixing member 57 need to be fixed in the frame by the first catch 54 and the second catch 55, respectively, the cavity of the base 17 should be an open catch cavity 172, and the shape of the catch cavity 172 matches with the shape of the first catch 54 and the second catch 55. In order to mount the first and second

chucking portions

54 and 55 into the chucking chamber 172, in the third and fourth embodiments, the frame should have card sockets (not numbered) for dividing the first and second

chucking portions

54 and 55 into the chucking chamber 172.

Referring to fig. 8, in actual production, a photovoltaic module generally includes a plurality of packages 3, and a plurality of frames (not numbered) are correspondingly provided, specifically: the frames 1 are surrounded to form a plurality of frames (not numbered), and the plurality of packages 3 are installed in the corresponding frames (not numbered) one by one. The manner of assembling the package 3, the frame (not numbered) and the supporting beams 6 may be: any one of the first to fourth embodiments of the present invention may be implemented by any one of the fixing members (not numbered) and the combination of two or more fixing members and the combination of. If the package 3 is 4 pieces, there will be an outer frame 13 and an inner frame 14. With respect to the outer side frame 13, the fixing components (not numbered) provided in the first, second, third and fourth embodiments can be applied to the outer side frame 13 separately, and the fastening members 4 are combined to fix the package 3 to the supporting beam 6. As for the inner frame 14, since the fixing assemblies (not numbered) provided in the second and fourth embodiments have two adjacent pressing portions 51 (see fig. 4, 5 and 7), two packages 3 can be fixed, the second and fourth embodiments can be applied to the inner frame 14 alone, and the fasteners 4 are combined to fix the two adjacent packages 3 on the supporting beams 6. The first and third embodiments have only one pressing portion 51 (see fig. 3, 5 and 6), and only one package 3 can be fixed, so that two fixing assemblies (not numbered) provided by the first and third embodiments should be installed on the inner frame 14 in opposite directions at the same time, and the fasteners 4 are combined to fix two adjacent packages 3 on the supporting beam 6.

When it is desired to mount multiple packages 3 on a photovoltaic support, a preferred embodiment is to use the first embodiment in conjunction with the securing assembly (not numbered) provided by the second embodiment: the fastening components (not numbered) provided by the first embodiment are applied to the outer rim 13 and the fastening components (not numbered) provided by the second embodiment are applied to the inner rim 14. Another preferred embodiment is to use the third embodiment in combination with the fastening assembly (not numbered) provided by the fourth embodiment: the fastening assembly (not numbered) provided by the third embodiment is applied to the outer rim 13 and the fastening assembly (not numbered) provided by the fourth embodiment is applied to the inner rim 14.

Referring to fig. 3, 4 and 5, in all the above embodiments, a buffer 7 is disposed between the pressing portion 51 and the package 3 for buffering and protecting the package 3. A clamping structure 671 for realizing mechanical connection is formed between the buffer 7 and the pressing part 51. The buffer 7 protrudes towards the pressing portion 51 to form a fastening point 71 with an inverted convex structure, the pressing portion 51 is recessed to form a fastening groove 59 for fastening the fastening point 71, and the fastening point 71 and the fastening groove 59 form the fastening structure 671.

In all the above embodiments, the frame, the connecting corner brace, and the fixing member (not numbered) are made of aluminum, and the manufacturing process is made of a die-cast aluminum profile.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A photovoltaic module is arranged on a supporting beam of a photovoltaic bracket and comprises

The frame is arranged in a surrounding manner to form a plurality of frames;

connecting corner connectors for connecting two adjacent frames;

a package mounted on the frame;

the fixing component is fixed on the frame and comprises a pressing part used for pressing the packaging part on the frame; and

a fastener connecting the fixing assembly with a supporting beam;

it is characterized in that, the section structure of frame is "L" type, the frame includes:

a base placed on the support beam, the side of the package abutting the base; and

and the plate body part extends outwards from one side of the base part, and the plate body part and the pressing part clamp the edge of the packaging piece in the vertical direction.

2. The photovoltaic module of claim 1, wherein the fixing module further comprises a locking portion extending from one side of the pressing portion, and the fastening member connects the locking portion and the supporting beam.

3. The photovoltaic module of claim 1, wherein the fixing modules further comprise locking portions, each fixing module has two pressing portions extending outward from opposite sides of the locking portion, and the fastening member connects the locking portion and the support beam.

4. The photovoltaic module according to claim 2 or 3, wherein the fixing module further comprises a connecting portion formed between the locking portion and the pressing portion, and the connecting portion protrudes toward the base portion to form two protruding points for fixing the relative position of the base portion and the fixing module.

5. The photovoltaic module of claim 4 wherein the base has an enclosed cavity formed therein.

6. The photovoltaic module according to claim 1, wherein the base has a holding cavity formed thereon, the fixing module includes a first fixing member and a second fixing member, the first fixing member includes the pressing portion and a first holding portion extending rearward from the pressing portion, the first holding portion is inserted into the holding cavity, the second fixing member includes a locking portion and a second holding portion extending rearward from the locking portion, the fastening member connects the locking portion and the supporting beam, and the second holding portion is inserted into the holding cavity.

7. The photovoltaic module according to claim 1, wherein the base has a holding cavity formed thereon, the fixing module includes a first fixing member and a second fixing member, the first fixing member includes the pressing portion and a first holding portion extending rearward from the pressing portion, the first holding portion is inserted into the holding cavity, the second fixing member includes a locking portion and two second holding portions extending outward from opposite sides of the locking portion, the fastening member connects the locking portion and the supporting beam, and the second holding portions are respectively inserted into the holding cavities of two oppositely set frames.

8. The photovoltaic module according to claim 2, 3, 6 or 7, wherein the frame is bonded to the package, and a buffer is disposed between the pressing portion and the package.

9. The photovoltaic module according to claim 8, wherein a clamping structure for realizing mechanical connection is formed between the buffer member and the pressing portion.

10. The photovoltaic module according to claim 9, wherein the buffer member protrudes toward the pressing portion to form a fastening point with an inverted convex structure, the pressing portion is recessed to form a fastening groove for fastening the fastening point, and the fastening point and the fastening groove form the fastening structure.