CN106788189B - A kind of photovoltaic module fixing device and its installation method - Google Patents

Abstract

The invention discloses a photovoltaic module fixing device and an installation method thereof. The module fixing device comprises a module placement cavity (1) and a fixing plate (2), and structural glue is bonded inside the module placement cavity (1) The adhesive layer (3), the outer surface of the structural adhesive adhesive layer (3) is provided with an anti-adhesive film (4); the fixed plate (2) is fastened on the support frame (6) by bolts (5). The component fixing device disclosed in the present invention is based on the perfect combination of the component placement cavity (1) and the photovoltaic component through the structural adhesive bonding layer (3), and the fixing device can be set in sections according to the actual stress situation of the component installation environment, ensuring safety On the premise of reliability, the material consumption of component installation is greatly saved.

Description

A photovoltaic module fixing device and its installation method

technical field

The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic module fixing device and an installation method thereof.

Background technique

With the rapid development of the solar photovoltaic industry today, the market has put forward higher requirements for the production, installation and operation and maintenance of photovoltaic systems. Double-glass/bifacial high-efficiency modules have sprung up rapidly due to their unique advantages. The development of glass and double-sided module installation methods is relatively lagging behind.

Double-glass/double-sided modules are upper and lower layers of glass, and cells are embedded between the glasses. Single-sided cells are double-glass modules, and double-sided cells are double-sided modules. Double-glass/double-sided The biggest feature of the module structure is that there are upper and lower layers of glass, and its strength, stiffness, and stability are superior to single-glass modules. In terms of structural installation, this advantage can be fully utilized to reduce the amount of frame auxiliary materials and components. Traditional modules can be divided into two types: framed and frameless. Most of the framed ones are full-framed. This mode consumes a lot of frame material, and the component processing process is complicated and the processing speed is slow, which cannot well reflect double-glass/double-sided components. Special structural advantages; frameless components, although the frame materials and processing procedures of the components are reduced when the components leave the factory, but the requirements for on-site installation are higher, and more materials, processing and installation costs are required to produce matching installation conversion parts. And judging from the current installation methods used in the industry, it is difficult to guarantee the firmness, durability and accuracy of the components after installation.

How to make full use of the structural advantages of double-glass/double-sided modules, truly tailor-made the modules, improve the reliability and durability of installation, reduce costs, and facilitate processing, transportation and installation are the most important problems to be solved in the present invention. fundamental problem.

Contents of the invention

Aiming at the problems raised in the background technology, the present invention proposes a photovoltaic module fixing device and an installation method thereof.

The present invention proposes a photovoltaic module fixing device, the module fixing device includes a module placement cavity and a fixing plate, a structural adhesive layer is bonded inside the module placement cavity, and the outer surface of the structural adhesive layer is provided with There is an anti-adhesive film, and the anti-adhesive film is peeled off when the photovoltaic module is installed; the fixing plate is fastened on the supporting frame by bolts.

As the first specific structure of the photovoltaic module fixing device, the module fixing device includes an integrally formed upper pressure plate, a lower supporting plate, a bottom plate and a connecting plate, the bottom plate and the lower supporting plate are arranged horizontally and horizontally, and the connecting plate vertically stands Between the bottom plate and the lower supporting plate, the top of the connecting plate is connected to the transverse upper pressing plate, and the combination of the upper pressing plate, the lower supporting plate and the connecting plate constitutes the component placement cavity; the bottom plate alone constitutes the fixing plate.

In a more preferred embodiment, the connecting plate and the bottom plate are connected through a reinforcing plate.

Preferably, the connecting plate, the bottom plate, the reinforcing plate, the upper pressing plate and the lower supporting plate are integrally formed.

Preferably, the reinforcing plate, the connecting plate and the bottom plate enclose a triangular or rectangular cavity.

As the second specific structure of the photovoltaic module fixing device, the module fixing device includes a first fixing device and a second fixing device, and the first fixing device is bonded by the first upper pressing piece and the first lower supporting piece through structural adhesive The second fixing device is formed by bonding the second upper pressing piece and the second lower supporting piece through the adhesive layer of structural adhesive; the opposite inner tools of the first fixing device and the second fixing device are set There are slots with alternate heights, and the two are plugged in correspondingly through the slots; through holes are set on each slot, and the through holes form bolt holes when the component fixing device is plugged in. The combination of slots constitutes the fixing plate; the opposite outer sides of the first fixing device and the second fixing device form component placement cavities, respectively to place two adjacent photovoltaic modules.

In a more preferred embodiment, a slot is provided on the inner sides of the first upper pressing piece, the first lower supporting piece, the second upper pressing piece and the second lower supporting piece respectively.

Preferably, the shape of the orthographic projection of the first upper pressing piece is the same as that of the first lower supporting piece; the shape of the orthographic projection of the second upper pressing piece is the same as that of the second lower supporting piece.

Preferably, the component fixing device adopts a cross-section through-type aluminum alloy profile.

The present invention also proposes a method for installing the fixed structure of the photovoltaic module. First, the anti-adhesive film in the module placement cavity is removed; then the side of the photovoltaic module is pressed into the module placement cavity and bonded with the structural adhesive layer Bonding; finally, the fixing plate is fixed on the support frame by bolts.

For the installation method of the first specific structure of the photovoltaic module fixing device, it includes the following steps:

S1: Remove the anti-adhesive film in the component placement cavity formed by the upper platen, lower supporting plate and connecting plate;

S2: Press the side of the photovoltaic module into the module placement cavity and bond it to the structural adhesive layer in the cavity;

S3: Fix the fixed plate formed by the bottom plate on the supporting frame by bolts.

For the installation method of the second specific structure of the photovoltaic module fixing device, it includes the following steps:

S1: Remove the anti-adhesive film in the cavity where the components of the first fixing device and the second fixing device are placed;

S2: Press the slot of the first fixing device or the second fixing device to widen the opening of the corresponding component placement cavity, insert the side of the photovoltaic module into the component placement cavity and press the component placement cavity of the first fixing device or the second fixing device to form end, so that the photovoltaic module is bonded to the structural adhesive bonding layer in the cavity;

S3: Dock the adjacent photovoltaic modules processed in S2: insert the slots of the first fixing device and the slots of the second fixing device, and at the same time, the through holes of each slot are combined to form bolt holes; the bolts pass through the bolt holes to connect The fixing plate composed of each slot is fixed on the supporting frame.

Beneficial effects of the present invention

Based on the perfect combination of the component placement cavity and the photovoltaic module through the structural adhesive bonding layer and the photovoltaic module, the present invention can set up the fixing device in sections according to the actual stress situation of the module installation environment, on the premise of ensuring safety and reliability The amount of materials used for component installation is greatly saved; the processing of fixtures is reduced in the process of component production, which can effectively improve the production efficiency of components. There are no fixtures attached to the components when they leave the factory, which is convenient for packaging and transportation, and reduces the cost of components during transportation. The damage rate of the components; the component fixing device and the structural adhesive bonding layer are assembled before the fixing device leaves the factory. Industrial processing can not only ensure the quality of assembly, but also improve the efficiency of assembly. It is also convenient for mass production and reduces the workload of on-site installation. Installation efficiency and accuracy; the installation process of fixtures and components on site is simple and convenient, and the requirements for the overall quality of construction personnel are not high, which is convenient for on-site management and to ensure the progress of the project; compared with traditional briquette installation with embedded rubber pads, it is more efficient Firm and reliable, longer service life, better anti-aging performance, more effective in preventing components from falling off, flexible combination of components and fixing devices can more effectively protect components from damage, etc.; Processing and mass production; After the front and rear of the component fixing device are spliced and aligned, they are installed with bolts, which makes loading and unloading more convenient, and facilitates maintenance and replacement of components; this fixing device has more obvious advantages for double-sided component installation, and installation guide rails can be arranged along the side of the component , to prevent the guide rail from traversing the module to block the reverse cell, which will affect the power generation efficiency.

Description of drawings

Figure 1 is the first specific structure diagram of the photovoltaic module fixing device

Fig. 2 is the first improved structure diagram of the first specific structure

Fig. 3 is the second improved structure diagram of the second specific structure

Figure 4 is a schematic diagram of the installation state of the first specific structure

Figure 5 is a structural diagram of the first fixing device in the second specific structure of the photovoltaic module fixing device

Fig. 6 is a structural diagram of the second fixing device in the second specific structure of the photovoltaic module fixing device

Fig. 7 is a diagram of the plug-in preparation state of the first fixing device and the second fixing device

Figure 8 is a schematic diagram of the installation state of the second specific structure

Detailed ways

The present invention will be further described below in conjunction with embodiment, but protection scope of the present invention is not limited to this:

1, FIG. 2, FIG. 3, FIG. 5, and FIG. 6, the present invention proposes a photovoltaic module fixing device, the module fixing device includes a module placement cavity 1 and a fixing plate 2, in the component placement cavity 1 The inner side is bonded with a structural adhesive bonding layer 3 (the structural adhesive bonding layer is the glue for building structure, in a preferred embodiment, select the SAFT series 2110, 2155, 4110, 4155 models of the 3M brand available in the market), the structure An anti-adhesive film 4 is provided on the outer surface of the adhesive layer 3 ; the fixing plate 2 is fastened on the support frame 6 by bolts 5 . Using architectural structural glue that can be applied to glass, railways, large equipment and windows, it has a longer life than ordinary briquetting rubber strips, better waterproof and UV resistance, simple and efficient operation, and low labor costs.

Referring to Fig. 1, as the first specific structure of the photovoltaic module fixing device, the module fixing device includes an integrally formed upper plate 101, a lower supporting plate 102, a bottom plate 103 and a connecting plate 104, the bottom plate 103 and the lower supporting plate 102 Arrange horizontally at the same level (the horizontally horizontal arrangement means that the ground needs to be strictly level, and the height can be set at different heights according to specific conditions), the connecting plate 104 is vertically erected between the bottom plate 103 and the lower supporting plate 102, and the top of the connecting plate 104 is connected The horizontal upper platen 101 , the upper platen 101 , the lower supporting plate 102 and the connecting plate 104 are combined to form the component placement chamber 1 ; the bottom plate 103 alone forms the fixed plate 2 .

In some embodiments, as shown in FIG. 2 and FIG. 3 , the connecting plate 104 and the bottom plate 103 are connected by a reinforcing plate 105 (preferably, the connecting plate 104, the bottom plate 103, the reinforcing plate 105, the upper pressing plate 101 and the lower supporting plate 102 integral molding).

As shown in Figure 2, the reinforcing plate 105, the connecting plate 104 and the bottom plate 103 surround a triangular cavity; as shown in Figure 3, the reinforcing plate 105, the connecting plate 104 and the bottom plate 103 surround a rectangular cavity; in other embodiments, The reinforcing plate 105, the connecting plate 104 and the bottom plate 103 enclose a geometric cavity. This structure saves materials while ensuring the structural strength of the device.

Figure 4 shows the installation state of the first specific structure of the photovoltaic module fixing device. Since the reinforcement plate 105 will not affect the installation steps, the structure of the reinforcement plate 105 is not shown in the drawings, and the following is combined with Figure 1 and Figure 4 Explain the installation steps:

S1: Remove the anti-adhesive film 4 in the assembly cavity 1 formed by the upper platen 101, the lower supporting plate 102 and the connecting plate 104;

S2: Press the side of the photovoltaic module 7 into the module placement cavity 1 and bond it to the structural adhesive layer 3 in the cavity;

S3: Fix the fixed plate 2 formed by the bottom plate 103 on the support frame 6 by bolts 5 .

Referring to Fig. 5 and Fig. 6, as the second specific structure of the photovoltaic module fixing device (the anti-adhesive film 4 provided on the outer surface of the structural adhesive bonding layer 3 is not shown, and its setting method can refer to Fig. 1-Fig. 3), so The component fixing device includes a first fixing device 21 and a second fixing device 22, the first fixing device 21 is formed by bonding the first upper pressing piece 211 and the first lower supporting piece 212 through the structural adhesive bonding layer 3, The second fixing device 22 is formed by bonding the second upper pressing piece 221 and the second lower supporting piece 222 through the structural adhesive bonding layer 3; the opposite inner side of the first fixing device 21 and the second fixing device 22 is provided with Slots 23 of alternate heights, the two are correspondingly inserted through the slots 23 (in this embodiment, the first upper pressing piece 211, the first lower supporting piece 212, the second upper pressing piece 221 and the second lower supporting piece 222 A slot 23) is respectively arranged on the opposite side; each slot 23 is provided with a through hole 24, and the through hole 24 forms a bolt hole when the component fixing device is plugged in. The fixing plate 2 is formed; FIG. 7 shows a schematic diagram of the first fixing device 21 and the second fixing device 22 when they are ready to be plugged in, and the two are translated to complete the plugging process. The opposite outer sides of the first fixing device 21 and the second fixing device 22 form a module placement chamber 1, respectively, where two adjacent photovoltaic modules are to be placed. In this embodiment, the shape of the orthographic projection of the first upper pressing piece 211 is the same as that of the first lower supporting piece 212 ; the shape of the orthographic projection of the second upper pressing piece 221 is the same as that of the second lower supporting piece 222 .

Figure 8 shows the installation state of the second specific structure of the photovoltaic module fixing device, and the installation steps will be described below in conjunction with Figure 6-8:

S1: Remove the anti-adhesive film 4 in the cavity 1 where the components of the first fixing device 21 and the second fixing device 22 are placed;

S2: Press the slot 23 of the first fixing device 21 or the second fixing device 22 to widen the opening of the corresponding module placement cavity 1, insert the side of the photovoltaic module into the component placement cavity 1 and press the first fixing device 21 or the second fixing device The component of the device 22 is placed at the end of the cavity 1, so that the photovoltaic component is bonded to the structural adhesive layer 3 in the cavity;

S3: docking the adjacent photovoltaic modules processed in S2: inserting the slot 23 of the first fixing device 21 with the slot 23 of the second fixing device 22, and at the same time combining the through holes 24 of each slot 23 to form bolt holes; The bolts 5 pass through the bolt holes to fix the fixing plate 2 composed of the slots 23 on the support frame 6 .

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (4)

1. A photovoltaic module fixing device, characterized in that the module fixing device includes a module placement cavity (1) and a fixing plate (2), and a structural adhesive bonding layer is bonded to the inside of the module placement cavity (1) (3), the outer surface of the structural adhesive bonding layer (3) is provided with an anti-adhesive film (4); the fixed plate (2) is fastened on the support frame (6) by bolts (5); the assembly is fixed The device includes a first fixing device (21) and a second fixing device (22), and the first fixing device (21) is bonded by a first upper pressing piece (211) and a first lower supporting piece (212) through structural glue layer (3) bonding, the second fixing device (22) is formed by bonding the second upper pressing sheet (221) and the second lower supporting sheet (222) through the structural adhesive bonding layer (3); The opposite inner sides of the first fixing device (21) and the second fixing device (22) are provided with slots (23) of alternate heights, and the two are plugged correspondingly through the slots (23); on each slot (23) A through hole (24) is provided, and the through hole (24) forms a bolt hole when the component fixing device is plugged in, and the slots (23) in the plugged state are combined to form the fixing plate (2); The facing outer sides of the first fixing device (21) and the second fixing device (22) form a module placement cavity (1), respectively to place two adjacent photovoltaic modules. 2. A photovoltaic module fixing device according to claim 1, characterized in that the first upper pressing piece (211), the first lower supporting piece (212), the second upper pressing piece (221) and the second lower supporting piece A slot (23) is respectively arranged on the opposite inner side of the sheet (222). 3. A photovoltaic module fixing device according to claim 1, characterized in that the orthographic projection of the first upper pressing piece (211) has the same shape as the orthographic projection of the first lower supporting piece (212); the second upper pressing piece The orthographic projection of (221) has the same shape as the orthographic projection of the second lower support piece (222). 4. An installation method of a photovoltaic module fixing structure, characterized in that the installation method first removes the anti-adhesive film (4) in the module placement cavity (1); then presses the side of the photovoltaic module into the module placement cavity ( 1) and bond with the structural adhesive bonding layer (3) in the cavity; finally fix the fixing plate (2) on the support frame (6) by bolts (5), and the specific steps of installation are as follows: S1: peel off the anti-adhesive film (4) in the component placement cavity (1) of the first fixing device (21) and the second fixing device (22); S2: Press the slot (23) of the first fixing device (21) or the second fixing device (22) to widen the opening of the corresponding component placement cavity (1), insert the side of the photovoltaic module into the component placement cavity (1) and Press the component placement cavity (1) forming end of the first fixing device (21) or the second fixing device (22), so that the photovoltaic module is bonded to the structural adhesive bonding layer (3) in the cavity; S3: Butt the adjacent photovoltaic modules processed in S2: plug the slots (23) of the first fixing device (21) and the slots (23) of the second fixing device (22), and at the same time each slot (23) ) through holes (24) are combined to form bolt holes; bolts (5) pass through the bolt holes to fix the fixing plate (2) formed by each slot (23) on the support frame (6).