CN217307584U

CN217307584U - Photovoltaic module fixing device and photovoltaic system

Info

Publication number: CN217307584U
Application number: CN202220274106.0U
Authority: CN
Inventors: 姜垚森; 倪晟炜; 诸荣耀; 邵蒋宁; 陶国均; 周磊甜; 包文龙
Original assignee: Zhejiang Astronergy New Energy Development Co Ltd
Current assignee: Zhejiang Astronergy New Energy Development Co Ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-08-26
Anticipated expiration: 2032-02-10

Abstract

The utility model provides a photovoltaic module fixing device and photovoltaic system. The photovoltaic module fixing device comprises a pressing block and a clamping block, the pressing block is located above the clamping block, a frame at the bottom of the photovoltaic module and a purline are located between the pressing block and the clamping block, corresponding threaded holes are formed in the pressing block and the clamping block, and the pressing block and the clamping block are connected in a locking mode through bolts arranged in the threaded holes. The utility model provides a photovoltaic module fixing device simple structure, low cost, simple to operate. The whole fixing device can be arranged below the photovoltaic module, and the power generation efficiency of the module cannot be influenced. Simultaneously, the mode through bolt fastening locking arranges photovoltaic module bottom frame and purlin in between briquetting and the fixture block, need not to punch the operation on the purlin, reduces construction cost and construction cycle.

Description

Photovoltaic module fixing device and photovoltaic system

Technical Field

The application relates to the field of photovoltaic power generation, in particular to a photovoltaic module fixing device and a photovoltaic system.

Background

With the development of science and technology, more and more attention is paid to the utilization of energy. The role of photovoltaic power generation technology in life is more and more prominent. The photovoltaic power generation technology can convert light energy into electric energy, and the energy in the nature is fully utilized.

At present, the conventional fixing modes of the battery component with the frame comprise pressing block installation and bolt installation. Conventional compact mounting requires a gap between the compact and the component, and the compact may be elevated above the surface of the component. This may cause a shadow on the surface of the module, which may affect the power generation efficiency of the module. And the conventional bolt installation needs to have higher precision requirements on the installation precision of the purlines and the precision of hole positions on the purlines, and the construction cost is higher.

SUMMERY OF THE UTILITY MODEL

In order to solve one of the technical problems, the utility model provides a photovoltaic module fixing device and photovoltaic system.

The embodiment of the utility model provides a first aspect provides a photovoltaic module fixing device, including briquetting and fixture block, the briquetting is located the top of fixture block, photovoltaic module bottom frame and purlin all are located between briquetting and the fixture block, corresponding screw hole has been seted up on briquetting and the fixture block, briquetting and fixture block are through setting up bolt locking in the screw hole is connected.

Preferably, the briquetting includes first laminating portion, first connecting portion and second laminating portion, first laminating portion with second laminating portion is located the both sides of first connecting portion, set up threaded hole on the first connecting portion, the bottom surface of first laminating portion with the top surface laminating of photovoltaic module bottom frame, when briquetting and fixture block pass through bolt locking connection, the bottom surface of photovoltaic module bottom frame with the top surface contact of fixture block.

Preferably, the bottom surface of the second attaching portion is lower than the bottom surface of the first attaching portion, and the height difference between the bottom surface of the second attaching portion and the bottom surface of the first attaching portion is smaller than the thickness of the bottom frame of the photovoltaic module.

Preferably, the bottom surface of the first attaching portion is provided with a blocking piece, and the blocking piece is in contact with the edge of the frame at the bottom of the photovoltaic assembly.

Preferably, the bottom surface of the first attaching portion is provided with an anti-slip strip.

Preferably, the purlin is a C-shaped internal-curling purlin, the clamping block includes a clamping portion, a second connecting portion and a supporting portion, the clamping portion and the supporting portion are located on two sides of the second connecting portion, a threaded hole is formed in the second connecting portion, a clamping groove with an upward opening is formed in the clamping portion, the C-shaped internal-curling card of the purlin is clamped into the clamping groove, the top surface of the supporting portion is higher than the top surface of the clamping portion, and when the pressing block and the clamping block are connected through the bolt in a locking mode, the top surface of the purlin and the top surface of the supporting portion are in contact with the bottom surface of the frame at the bottom of the photovoltaic module.

Preferably, the support part is a support structure with a Y-shaped cross section.

Preferably, the bolt sequentially penetrates through the fixture block and the pressing block from bottom to top, and a flat washer is arranged between the bottom surface of the fixture block and the head of the bolt.

Preferably, a spring washer is arranged between the flat washer and the bottom surface of the fixture block.

The embodiment of the utility model provides a second aspect provides a photovoltaic system, the system include photovoltaic module, purlin and the embodiment of the first aspect photovoltaic module fixing device.

The utility model has the advantages as follows: the utility model provides a photovoltaic module fixing device simple structure, low cost, simple to operate. The whole fixing device can be arranged below the photovoltaic module, and the power generation efficiency of the module cannot be influenced. Simultaneously, the photovoltaic module bottom frame and the purlin are arranged between the pressing block and the clamping block in a bolt fixing and locking mode, punching operation on the purlin is not needed, and construction cost and construction period are reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view of a photovoltaic module fixing device according to embodiment 1 of the present invention;

fig. 2 is an installation schematic view of the photovoltaic module fixing device according to embodiment 1 of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a right side view of FIG. 2;

fig. 5 is a schematic structural diagram of a briquette according to embodiment 1 of the present invention;

FIG. 6 is a front view of a briquette according to embodiment 1 of the present invention;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a left side view of FIG. 6;

fig. 9 is a schematic structural view of a fixture block according to embodiment 1 of the present invention;

fig. 10 is a front view of a cartridge according to embodiment 1 of the present invention;

FIG. 11 is a top view of FIG. 10;

fig. 12 is a left side view of fig. 10.

Reference numerals:

1. the photovoltaic module comprises a pressing block, 2, a clamping block, 3, a spring washer, 4, a flat washer, 5, bolts, 6, a photovoltaic module, 7, purlins, 8 and threaded holes;

1-1, a first attaching portion, 1-2, a first connecting portion, 1-3, a second attaching portion, 1-4, a blocking piece, 1-5 and an anti-slip strip;

2-1, a clamping part, 2-2, a second connecting part, 2-3, a supporting part, 2-4 and a clamping groove.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.

Example 1

The embodiment of the utility model provides a photovoltaic module fixing device, as shown in fig. 1 to fig. 4, this photovoltaic module fixing device includes briquetting 1 and fixture block 2. Briquetting 1 is located the top of fixture block 2, and photovoltaic module 6 bottom frame and purlin 7 are arranged in between briquetting 1 and fixture block 2. Threaded holes 8 are formed in the pressing block 1 and the clamping block 2, and the bolt 5 can sequentially penetrate through the threaded holes 8 in the clamping block 2 and the pressing block 1 and then lock and connect the pressing block 1 and the clamping block 2. Through the locking between briquetting 1 and fixture block 2, can make briquetting 1 and fixture block 2 lock to photovoltaic module 6 bottom frame and purlin 7 of placing in its centre, and then realized fixing between photovoltaic module 6 and the purlin 7.

Specifically, as shown in fig. 5 to 8, the compact 1 includes a first attaching portion 1-1, a first connecting portion 1-2, and a second attaching portion 1-3. The first attaching portion 1-1 and the second attaching portion 1-3 are respectively located at both sides of the first connecting portion 1-2. The first attaching portion 1-1, the second attaching portion 1-3 and the first connecting portion 1-2 may be integrally formed. The first connection portion 1-2 is provided with a threaded hole 8. The bottom surface of the first attaching portion 1-1 can be attached to the bottom surface of the bottom frame of the photovoltaic module 6, so that the bottom frame of the photovoltaic module 6 is arranged between the pressing block 1 and the clamping block 2. When the pressing block 1 and the clamping block 2 are locked and connected through the bolt 5, the bottom surface of the frame at the bottom of the photovoltaic assembly 6 is in contact with the top surface of the clamping block 2, and therefore the frame of the photovoltaic assembly 6 is locked. In order to better realize the locking effect, the bottom surface of the second attaching part 1-3 is lower than the bottom surface of the first attaching part 1-1, and the height difference between the bottom surface of the second attaching part 1-3 and the bottom surface of the first attaching part 1-1 is smaller than the thickness of the bottom frame of the photovoltaic module 6. Like this, when briquetting 1 and fixture block 2 locked, can be effectual extrude photovoltaic module 6 bottom frame completely, can not blockked by second laminating portion 1-3. Meanwhile, the bottom surface of the first bonded portion 1-1 is processed in this embodiment. A baffle sheet 1-4 is arranged on the bottom surface of the first attaching part 1-1. The blocking pieces 1-4 can be in contact with the edge of the bottom frame of the photovoltaic module 6, as shown in fig. 3, and the purpose is to prevent the pressing block 1 from rotating and being dislocated in the locking process of the bolt 5. The bottom surface of the first attaching portion 1-1 is further provided with the anti-slip strips 1-5, so that the friction force between the pressing block 1 and the frame at the bottom of the photovoltaic module 6 can be further increased, and the installation stability is improved.

In this embodiment, the purlins 7 are C-shaped internally-curled purlins, as shown in fig. 4. The C-shaped inner curled edge of the purline 7 can be clamped with the clamping block 2. Specifically, as shown in fig. 9 to 12, the latch 2 includes a catching portion 2-1, a second connecting portion 2-2, and a supporting portion 2-3. The clamping part 2-1 and the supporting part 2-3 are respectively positioned at two sides of the second connecting part 2-2. The clamping part 2-1, the second connecting part 2-2 and the supporting part 2-3 can also be integrally formed. The second connecting part 2-2 is provided with a threaded hole 8, the threaded hole 8 corresponds to the threaded hole 8 of the first connecting part 1-2, and the bolt 5 can be locked through the second connecting part 2-2 and the threaded hole 8 of the first connecting part 1-2. The clamping part 2-1 is provided with a clamping groove 2-4 with an upward opening. The C-shaped inner curled edge of the purline 7 can be inserted into the clamping groove 2-4 to realize the clamping connection of the purline 7 and the clamping block 2. The top surface of the supporting portion 2-3 is higher than the top surface of the clamping portion 2-1, so that when the pressing block 1 and the clamping block 2 are locked and connected through the bolt 5, the top surface of the purline 7 and the top surface of the supporting portion 2-3 are both in contact with the bottom surface of the bottom frame of the photovoltaic assembly 6. Therefore, the pressing block 1 and the clamping block 2 are used for locking the purlines 7 and the frame at the bottom of the photovoltaic module 6. The support part 2-3 is a support structure with a Y-shaped cross section. The Y-shaped supporting structure can increase the supporting stress area of the top surface, so that the stress of the whole device is more stable.

In addition, in the embodiment, the flat washer 4 and the spring washer 3 are further arranged between the head of the bolt 5 and the bottom surface of the fixture block 2, so that better locking and anti-loosening effects are realized.

Example 2

This embodiment proposes a photovoltaic system, and this system includes photovoltaic module 6, purlin 7 and photovoltaic module fixing device. The photovoltaic module fixing device can refer to the content described in embodiment 1, and this embodiment is not described again.

In practical application, the bolt 5 is firstly inserted into the threaded holes 8 of the pressing block 1 and the clamping block 2 for preassembly, and the bolt 5 is not locked at the moment. And then the C-shaped inner curled edge of the purline 7 is inserted into the clamping groove 2-4 of the clamping block 2. And then adjusting the position of the pressing block 1 until the blocking pieces 1-4 of the pressing block 1 are attached to the bottom frame of the photovoltaic module 6. And finally, tightening the bolt 5 to perform locking operation.

In this embodiment, the whole photovoltaic module fixing device can be arranged below the photovoltaic module 6, and the generating efficiency of the module is not affected. Meanwhile, the frame at the bottom of the photovoltaic module 6 and the purline 7 are arranged between the pressing block 1 and the clamping block 2 in a mode of fixing and locking through the bolt 5, punching operation on the purline 7 is not needed, and construction cost and construction period are reduced.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. The photovoltaic module fixing device is characterized by comprising a pressing block and a clamping block, wherein the pressing block is located above the clamping block, a frame at the bottom of the photovoltaic module and a purline are located between the pressing block and the clamping block, corresponding threaded holes are formed in the pressing block and the clamping block, and the pressing block and the clamping block are connected through bolts arranged in the threaded holes in a locking mode.

2. The device according to claim 1, wherein the pressing block comprises a first attaching portion, a first connecting portion and a second attaching portion, the first attaching portion and the second attaching portion are located on two sides of the first connecting portion, the first connecting portion is provided with a threaded hole, the bottom surface of the first attaching portion is attached to the top surface of the bottom frame of the photovoltaic assembly, and when the pressing block and the clamping block are connected through the bolt in a locking mode, the bottom surface of the bottom frame of the photovoltaic assembly is in contact with the top surface of the clamping block.

3. The device of claim 2, wherein a bottom surface of the second attaching portion is lower than a bottom surface of the first attaching portion, and a height difference between the bottom surface of the second attaching portion and the bottom surface of the first attaching portion is smaller than a thickness of the bottom border of the photovoltaic module.

4. The device according to claim 2 or 3, wherein the bottom surface of the first attaching portion is provided with a blocking piece, and the blocking piece is in contact with the edge of the bottom frame of the photovoltaic module.

5. The device of claim 4, wherein a bottom surface of the first attaching portion is provided with a non-slip strip.

6. The device according to claim 1, wherein the purlin is a C-shaped inward-curling purlin, the clamping block comprises a clamping portion, a second connecting portion and a supporting portion, the clamping portion and the supporting portion are located on two sides of the second connecting portion, a threaded hole is formed in the second connecting portion, the clamping portion is provided with a clamping groove with an upward opening, the C-shaped inward-curling edge of the purlin is clamped into the clamping groove, the top surface of the supporting portion is higher than the top surface of the clamping portion, and when the pressing block and the clamping block are connected through a bolt in a locking manner, the top surface of the purlin and the top surface of the supporting portion both contact with the bottom surface of the bottom frame of the photovoltaic module.

7. The device of claim 6, wherein the support portion is a support structure having a Y-shaped cross-section.

8. The device as claimed in claim 1, wherein the bolt passes through the fixture block and the pressing block from bottom to top in sequence, and a flat washer is arranged between the bottom surface of the fixture block and the head of the bolt.

9. The device as claimed in claim 8, wherein a spring washer is provided between the flat washer and the bottom surface of the cartridge.

10. A photovoltaic system comprising a photovoltaic module, a purlin, and the photovoltaic module securing apparatus of any of claims 1 to 9.