CN216751632U

CN216751632U - Frame, photovoltaic module and photovoltaic system

Info

Publication number: CN216751632U
Application number: CN202122996952.1U
Authority: CN
Inventors: 付传国; 赵磊; 张建峰
Original assignee: CSI Cells Co Ltd; Canadian Solar Manufacturing Changshu Inc; Atlas Sunshine Power Group Co Ltd
Current assignee: CSI Cells Co Ltd; Canadian Solar Inc; Canadian Solar Manufacturing Changshu Inc
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-06-14
Anticipated expiration: 2031-12-01

Abstract

The utility model relates to a photovoltaic technology field specifically discloses a frame, photovoltaic module and photovoltaic system. The frame is formed by bending the steel plate integrally. The frame comprises an upper transverse section, a left vertical section, a lower transverse section, a right vertical section and a middle transverse section which are sequentially connected. The upper transverse section, the lower transverse section, the right vertical section and the middle transverse section are all positioned on the same side of the left vertical section. An accommodating groove is formed between the upper transverse section and the middle transverse section. The left vertical section, the lower transverse section, the right vertical section and the middle transverse section are enclosed to form an accommodating cavity. The photovoltaic module comprises the frame, so that the structural strength of the photovoltaic module is improved, and the cost is reduced. Meanwhile, the frame is integrally formed by bending the steel plate, welding or riveting processing is not needed, the production process is simplified, and the production cost is further reduced. The photovoltaic system comprises the photovoltaic module, so that the structural strength of the photovoltaic module is improved, and the cost is reduced.

Description

Frame, photovoltaic module and photovoltaic system

Technical Field

The utility model belongs to the technical field of the photovoltaic, especially, relate to a frame, photovoltaic module and photovoltaic system.

Background

The photovoltaic module is a core part in a solar power generation system and is also the most important part in the solar power generation system. The photovoltaic assembly comprises a laminating piece and a frame, wherein the frame is used for packaging and protecting the periphery of the laminating piece. The frame is fixed on the guide rail, and the guide rail can protect photovoltaic module, avoids the subassembly to be corroded or destroyed by wind-force.

The frame is mainly made of aluminum alloy sections. However, the cost of the aluminum alloy section is high, and the mechanical load performance of the large-size aluminum frame is poor, so that the requirement of protecting the laminated piece is difficult to meet. The existing frame also has a part of steel frame, and the steel frame is processed and manufactured in modes of welding or riveting and the like, so that the structure is complex, and the production cost is high.

Therefore, a need exists for a frame, a photovoltaic module and a photovoltaic system to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frame, photovoltaic module and photovoltaic system to simplify the structure and the manufacturing process of frame, improve the intensity of frame, reduce cost.

To achieve the purpose, the technical proposal adopted by the utility model is that:

a frame is integrally formed by bending a steel plate; the frame comprises an upper transverse section, a left vertical section, a lower transverse section, a right vertical section and a middle transverse section which are connected in sequence; the upper transverse section, the lower transverse section, the right vertical section and the middle transverse section are all positioned on the same side of the left vertical section;

an accommodating groove is formed between the upper transverse section and the middle transverse section; the left vertical section, the lower transverse section, the right vertical section and the middle transverse section are enclosed to form an accommodating cavity.

Further, the frame further includes:

and one end of the middle vertical section is connected with the end part of the middle transverse section, which is close to the left vertical section, and is attached to the inner side of the left vertical section.

Further, the other end of the middle vertical section abuts against the inner side of the upper transverse section.

Further, the frame further includes:

the glue overflowing section extends from one end, far away from the left vertical section, of the upper transverse section, bends towards the accommodating groove, and forms a glue overflowing groove together with the upper transverse section and the middle vertical section, and the glue overflowing groove is communicated with the accommodating groove.

Further, the glue overflowing section is overlapped on the inner side of the upper transverse section.

Further, the glue overflowing section is vertically connected with the upper transverse section.

Furthermore, a plurality of positioning holes communicated with the containing cavities are formed in the lower transverse section at intervals along the extending direction of the frame.

Further, the lower transverse section is followed the extending direction of frame still sets up a plurality of holes of dodging, dodge the hole with the locating hole one-to-one communicates.

A photovoltaic module comprises the frame.

A photovoltaic system comprises the photovoltaic module.

The utility model has the advantages that:

the utility model provides a frame forms the holding tank between last horizontal segment and the well horizontal segment, and the outer fringe joint of lamination piece is in the holding tank to encapsulation protection lamination piece. The frame is the steel sheet frame, for aluminium frame, has improved the structural strength of frame, the cost is reduced. Meanwhile, the frame is integrally formed by bending the steel plate, welding or riveting processing is not needed, the production process is simplified, and the production cost is further reduced.

The utility model provides a photovoltaic module includes foretell frame, has improved photovoltaic module's structural strength, the cost is reduced. Meanwhile, the frame is formed by bending the steel plate integrally, welding or riveting processing is not needed, the production process is simplified, and the production cost is further reduced.

The utility model provides a photovoltaic system includes foretell photovoltaic module, has improved photovoltaic module's structural strength, the cost is reduced. Meanwhile, the frame is formed by bending the steel plate integrally, welding or riveting processing is not needed, the production process is simplified, and the production cost is further reduced.

Drawings

Fig. 1 is a cross-sectional view of a bezel provided by an embodiment of the present invention;

fig. 2 is a schematic partial structure diagram of a frame according to an embodiment of the present invention;

fig. 3 is an end view of a frame according to an embodiment of the present invention.

The component names and designations in the drawings are as follows:

1. an upper transverse section; 2. a left vertical section; 3. a lower transverse section; 4. a right vertical section; 5. a middle transverse section; 6. a middle vertical section; 7. a glue overflowing section; 10. accommodating grooves; 20. an accommodating cavity; 30. a glue overflow groove; 40. positioning holes; 50. avoiding the hole.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Currently, photovoltaic modules include a laminate, which is typically a rectangular structure, including a front sheet, a back sheet, and a string of battery cells disposed between the front and back sheets, and a bezel. The frame is rectangular frame structure for the encapsulation protects the edge all around of lamination spare, avoids the lamination spare to damage to increase photovoltaic system's compressive capacity, prolong photovoltaic system's life.

The existing frame is mainly made of aluminum alloy section bars, and the cost is high. And the large-size aluminum frame has poor mechanical load performance, and is difficult to meet the requirement of protecting the laminated piece. At present, part of steel frames exist, and the structure is complex and the production cost is high due to the manufacturing modes such as welding or riveting.

To solve the above problem, as shown in fig. 1 and 2, the present embodiment discloses a frame integrally formed by bending a steel plate. Specifically, the frame comprises an upper transverse section 1, a left vertical section 2, a lower transverse section 3, a right vertical section 4 and a middle transverse section 5 which are connected in sequence. The upper transverse section 1, the lower transverse section 3, the right vertical section 4 and the middle transverse section 5 are all positioned on the same side of the left vertical section 2. An accommodating groove 10 is formed between the upper transverse section 1 and the middle transverse section 5. The left vertical section 2, the lower transverse section 3, the right vertical section 4 and the middle transverse section 5 form an accommodating cavity 20.

The frame of this embodiment is the steel sheet frame, for aluminium frame, has improved the structural strength of frame, the cost is reduced. Meanwhile, the thin steel plate is selected and bent for multiple times through the bending machine to form the frame, welding or riveting processing is not needed, the processing technology of the frame is improved, and the production cost is reduced.

As shown in fig. 1 and 2, a receiving groove 10 is formed between the upper transverse section 1 and the middle transverse section 5, and the outer edge of the laminate is clamped in the receiving groove 10 to encapsulate the protective laminate.

For improving the structural strength of holding tank 10, the frame still includes well vertical section 6, and the one end of well vertical section 6 links to each other with the tip that well horizontal section 5 is close to left vertical section 2. Well vertical section 6 fits in the inboard of left vertical section 2 to form the lateral wall of holding tank 10 jointly, increased the thickness of holding tank 10 lateral wall, improved holding tank 10's stability. Simultaneously, because well vertical section 6 laminates with left vertical section 2 mutually, increased well horizontal section 5 and left vertical section 2's area of contact, the tip that is close to left vertical section 2 on avoiding well horizontal section 5 takes place to deflect or rock, has improved the structural strength and the stability of frame.

In order to improve the fixing effect of the laminating part and the frame, the laminating part and the accommodating groove 10 can be fixed through adhesive bonding, and the laminating part is prevented from shaking between the upper transverse section 1 and the middle transverse section 5. Alternatively, the glue may be a silicone glue. In order to avoid the normal work of the photovoltaic module influenced by the overflow of the silica gel to the surface of the laminated part in the gluing process, the lower surface of the upper cross section 1 is also provided with an overflow groove 30, and redundant glue can flow out through the overflow groove 30 in the gluing process, so that the laminated part is prevented from being polluted.

Specifically, the frame still includes excessive gluey section 7, and the one end that left vertical section 2 was kept away from to last horizontal segment 1 extends and has excessive gluey section 7, and excessive gluey section 7 is buckled towards holding tank 10 is inside to enclose into excessive gluey groove 30 with last horizontal segment 1 and middle vertical section 6, excessive gluey groove 30 is linked together with holding tank 10.

The excessive glue section 7 of this embodiment is bent 180 ° toward the accommodating groove 10 and is stacked on the inner side of the upper horizontal section 1. When the outer fringe joint of lamination piece was in holding tank 10, can butt in the lateral wall of excessive gluey section 7, increased the area of contact of lamination piece with holding tank 10, improved the installation stability of lamination piece. Meanwhile, the side face of the glue overflowing section 7 is parallelly pressed on the upper surface of the laminating part, so that the laminating part is prevented from being damaged, and the safety of the frame is improved.

In other embodiments, the glue overflow section 7 is vertically connected to the upper cross section 1, that is, the glue overflow section 7 is bent toward the accommodating groove 10 by 90 °, so as to increase the depth of the glue overflow groove 30 and increase the capacity of the glue overflow groove 30. Meanwhile, the bending angle of the excessive glue section 7 is reduced, so that the bending difficulty of the excessive glue section 7 is reduced, and the bending efficiency of the frame is improved.

It should be noted that, since the glue is likely to overflow during the gluing process, in order to prevent the overflowing glue from entering into the accommodating cavity 20, the other end of the middle vertical section 6 of the present embodiment abuts against the inner side of the upper horizontal section 1, so as to prevent the glue in the glue overflowing groove 30 from overflowing into the accommodating cavity 20.

Because there is the error in the bending process of frame, well vertical section 6 respectively with last horizontal section 1 and left vertical section 2 between have the clearance that is linked together, this clearance is the L type, can prevent to glue and get into and accept in the chamber 20. Even if a small amount of glue enters the gap, the middle vertical section 6 can be respectively connected with the upper horizontal section 1 and the left vertical section 2 in an adhesive manner, and the structural strength and the stability of the frame are further improved.

In this embodiment, the frame is installed on the slide rail in the photovoltaic module mounting structure through the bolt. Specifically, the lower transverse section 3 is provided with a plurality of positioning holes 40 at intervals along the extending direction of the frame, and the positioning holes are communicated with the accommodating cavities 20. The slide rail in the photovoltaic module mounting structure is correspondingly provided with a fixing hole, and the bolt sequentially penetrates through the corresponding positioning hole 40 and the fixing hole so as to connect the frame with the slide rail.

It should be noted that, when the frame is fixedly mounted to the slide rail, the head of the bolt needs to be placed in the accommodating cavity 20, and the rod of the bolt passes through the positioning hole 40 and the fixing hole and then is mounted in cooperation with the nut, so as to fix the frame.

Since the opening size of the positioning hole 40 is larger than the shaft portion of the bolt and smaller than the head portion of the bolt, the head portion of the bolt cannot enter the accommodating cavity 20 through the positioning hole 40. Therefore, a plurality of avoiding holes 50 are further formed in the lower transverse section 3 along the extending direction of the frame, and the avoiding holes 50 are communicated with the positioning holes 40 in a one-to-one correspondence mode. The head of the bolt can enter the containing cavity 20 through the avoiding hole 50 and then move to the position of the positioning hole 40, so that the installation of the bolt is smoothly realized.

As shown in fig. 3, the avoiding hole 50 and the positioning hole 40 are both strip-shaped holes, and are communicated to form a T-shaped hole. In other embodiments, the avoiding hole 50 and the positioning hole 40 may also be circular holes or polygonal holes.

Because the locating hole 40 of this embodiment is the bar hole, when frame and slide rail installation, the bolt can be followed the length direction adjustment of locating hole 40 to in stretching into the fixed orifices that corresponds fast, improved the fault-tolerant rate of frame and slide rail support cooperation size, be convenient for the quick installation of frame.

The embodiment also discloses a photovoltaic module, which comprises the frame, so that the structural strength of the photovoltaic module is improved, and the cost is reduced. Meanwhile, the frame is formed by bending the steel plate integrally without welding or riveting, so that the production process is simplified, and the production cost is further reduced.

The embodiment also discloses a photovoltaic system, which comprises the photovoltaic module, so that the structural strength of the photovoltaic module is improved, and the cost is reduced. Meanwhile, the frame is formed by bending the steel plate integrally without welding or riveting, so that the production process is simplified, and the production cost is further reduced.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The frame is characterized in that the frame is integrally formed by bending steel plates; the frame comprises an upper transverse section (1), a left vertical section (2), a lower transverse section (3), a right vertical section (4) and a middle transverse section (5) which are connected in sequence; the upper transverse section (1), the lower transverse section (3), the right vertical section (4) and the middle transverse section (5) are all positioned on the same side of the left vertical section (2);

an accommodating groove (10) is formed between the upper transverse section (1) and the middle transverse section (5); the left vertical section (2), the lower transverse section (3), the right vertical section (4) and the middle transverse section (5) are enclosed to form an accommodating cavity (20).

2. The bezel of claim 1, wherein said bezel further comprises:

and one end of the middle vertical section (6) is connected with the end part, close to the left vertical section (2), of the middle transverse section (5), and is attached to the inner side of the left vertical section (2).

3. The surround of claim 2, characterized in that the other end of the middle vertical section (6) abuts against the inside of the upper transverse section (1).

4. The bezel of claim 3, further comprising:

the glue overflow section (7) extends from one end, far away from the left vertical section (2), of the upper transverse section (1), the glue overflow section (7) bends towards the inside of the accommodating groove (10) and forms a glue overflow groove (30) together with the upper transverse section (1) and the middle vertical section (6), and the glue overflow groove (30) is communicated with the accommodating groove (10).

5. The frame according to claim 4, characterized in that the flash section (7) is superimposed on the inside of the upper transverse section (1).

6. The frame according to claim 4, characterized in that said flash section (7) is vertically connected to said upper transverse section (1).

7. The frame according to claim 1, wherein the lower transverse section (3) is provided with a plurality of positioning holes (40) at intervals along the extending direction of the frame, and the positioning holes are communicated with the containing cavities (20).

8. The frame according to claim 7, wherein the lower horizontal section (3) is further provided with a plurality of avoiding holes (50) along the extending direction of the frame, and the avoiding holes (50) are in one-to-one correspondence communication with the positioning holes (40).

9. A photovoltaic module comprising the frame of any one of claims 1-8.

10. A photovoltaic system comprising the photovoltaic module of claim 9.