WO2012016348A1

WO2012016348A1 - Photovoltaic module supporter and photovoltaic module

Info

Publication number: WO2012016348A1
Application number: PCT/CN2010/001168
Authority: WO
Inventors: 陈志良; 王宇; 郭浪; 焦喜立
Original assignee: 无锡尚德太阳能电力有限公司
Priority date: 2010-08-03
Filing date: 2010-08-03
Publication date: 2012-02-09

Abstract

A photovoltaic module supporter and a photovoltaic module are provided. The photovoltaic module (200) comprises a photovoltaic cell laminate (1) and a supporter (2) used for being fixed to a mounting surface, wherein, the supporter is connected to the back of the photovoltaic cell laminate, and the supporter comprises a first connection part (22) and a second connection part (26), the first connection part is close to the front side of the photovoltaic cell laminate, the second connection part is close to the rear side of the photovoltaic cell laminate. When multiple photovoltaic modules are fixed to the mounting surface, the first connection part of one photovoltaic module and the second connection part of another photovoltaic module adjacent are joined together, so as to keep the relative positions of one photovoltaic module and another photovoltaic module adjacent, and fix multiple photovoltaic modules on the mounting surface. The photovoltaic module supporter and the photovoltaic module have simple structures and have convenience for fixing and maintenance.

Description

Photovoltaic module support and photovoltaic modules

Technical field

The present invention relates to the field of solar photovoltaic application technologies, and in particular, to a photovoltaic module support frame and a photovoltaic assembly having the same. Background technique

Today, energy supply has entered a period of shortage in the world, and a large number of sustainable new energy sources have been widely concerned. Among them, the use of solar energy is getting more and more people's attention. As an energy device, solar cells are more and more widely used because of their unique functions compared to other energy devices and their outstanding advantages in terms of cleaning and environmental protection. Solar photovoltaic power generation is very important for mitigating today's energy crisis and improving the ecological environment. Solar cells are made of materials that produce photovoltaic effects, such as silicon, gallium arsenide, selenium indium copper or other materials, to convert light energy into electrical energy using photovoltaic effects. At present, photovoltaic modules composed of a plurality of solar cells are put into mass use. For example, photovoltaic components are used to construct a power generation system, or to be used as a curtain wall of a building or on a roof of a building.

One of the three US Patent Application Publication Nos. 2009/0320905A1, 2009/0320906A1, and 2009/0320907A1, which are assigned to the same company (SunPower Corp.), are disclosed as being suitable for installation on the roof of a building. Photovoltaic components. The photovoltaic module includes a photovoltaic cell laminate (photovoltal) and a frame (frame) assembled to the photovoltaic cell laminate and sealing the perimeter of the photovoltaic cell laminate. The bezel is comprised of opposing front and rear bezel members, and opposing first and second side frame members. The four bezel members are separately formed, and the four bezel members are assembled together by a mutual mating engagement to form a bezel that surrounds the perimeter of the photovoltaic cell laminate.

Further, a first arm, a second arm, a third arm, and a fourth arm are formed on the bezel. Wherein the first arm and the third arm are respectively formed on opposite ends of the first side frame member, and the second arm and the fourth arm are respectively formed on opposite ends of the second side frame member, and the first arm and the first arm The arms extend outward beyond the front bezel member, and the third and fourth arms extend outward beyond the rear bezel member. The first arm and the second arm have the same configuration, and the third arm and the fourth arm have the same configuration, and the four arms can The photovoltaic component is configured to be tilted relative to a substantially flat face. Mounting portions are formed on the four arms, respectively. The lateral spacing between the first arm and the second arm is less than the lateral spacing between the third arm and the fourth arm. When it is required to connect two adjacent photovoltaic modules to each other in the front-back direction, the first arm and the second arm of the first photovoltaic component are located between the third arm and the fourth arm of the second photovoltaic component, the first arm and the third arm The upper mounting portion and the mounting portions on the second arm and the fourth arm are respectively aligned with each other, and then, by the cooperation of the male connector and the female connector, the adjacent two photovoltaic modules are fixed end to end with each other. together. In addition, when it is required to connect adjacent two photovoltaic modules side by side in the left-right direction, the first photovoltaic component and the second photovoltaic component are aligned with each other, wherein the second arm of the first photovoltaic component and the first arm of the second photovoltaic component And the fourth arm of the first photovoltaic component and the third arm of the second photovoltaic component are respectively aligned, and then, by the cooperation of the male connector and the female connector, the adjacent two photovoltaic components are fixed side by side to each other. Together. However, the connection of such photovoltaic modules is complicated, and whether the front-rear connection or the photovoltaic modules are connected side by side, the connection of the photovoltaic modules is required by means of an additional male-female connector, which increases the number of parts. The quantity leads to an increase in cost, and at the same time, the assembly process is cumbersome, which is not conducive to the improvement of work efficiency; in addition, it may cause inconvenience to the maintenance of the photovoltaic system.

In addition, the use of the above-mentioned frame structure of the photovoltaic module increases the manufacturing cost and weight of the entire photovoltaic module, and the application of the weight limit to the roof of the building limits the use of the photovoltaic module, which is not conducive to its widespread application.

Therefore, there is an urgent need to propose an improved photovoltaic module structure to overcome the technical problems existing in the prior art, and to make the weight reduction, installation and maintenance of the photovoltaic module quick and convenient. Summary of the invention

The main technical problem to be solved by the present invention is to provide a photovoltaic module support frame and a photovoltaic module thereof, which are simple in structure, quick and convenient to install and maintain.

In order to solve the above technical problems, an aspect of the present invention provides a photovoltaic module including a photovoltaic cell laminate and a support frame for mounting to a mounting surface, wherein the support frame is coupled to the photovoltaic cell laminate a back surface, and the support frame includes a first connecting portion and a second connecting portion, the first connecting portion is adjacent to a front side of the photovoltaic cell laminate, and the second connecting portion is adjacent to the photovoltaic cell laminate The rear side of the piece is disposed, when the plurality of the photovoltaic modules are mounted to the mounting surface, the first connection portion of one photovoltaic module is engaged with the second connection portion of the adjacent another photovoltaic module, thereby maintaining the The phase of one photovoltaic component and the adjacent one of the other photovoltaic components Position and install the PV system.

Another aspect of the present invention provides a photovoltaic module support for a photovoltaic cell laminate mounted to a mounting surface and supporting a photovoltaic component, wherein the support is attached to a back side of the photovoltaic cell laminate, And the support frame includes a first connecting portion disposed adjacent to a front side of the photovoltaic cell laminate, and a second connecting portion adjacent to the photovoltaic cell laminate a rear side, when mounting the plurality of the photovoltaic modules to the mounting surface, the first connection portion of one photovoltaic module is engaged with the second connection portion of the adjacent another photovoltaic module, thereby maintaining the one photovoltaic A relative position of the component to the adjacent another photovoltaic component and mounting a plurality of photovoltaic components on the mounting surface.

The present invention omits the conventional thick bezel structure by arranging the support frame on the back side of the photovoltaic cell laminate, which is simpler in structure and greatly reduces the weight of the photovoltaic cell module. And, at the opposite ends of the support frame, respectively designing a first connecting portion and a second connecting portion that can cooperate with each other and can be locked and engaged with each other, through the first connecting portion and the second connecting portion of the adjacent two photovoltaic modules In cooperation, the front-to-back connection between two adjacent photovoltaic modules can be achieved without the need for additional additional connector structures. This end-to-end connection is simple and fast, which greatly saves the assembly process of the photovoltaic components and improves the work efficiency.

Preferably, when a plurality of the photovoltaic modules are stacked, a support frame of one photovoltaic module is supported on a support frame of another adjacent photovoltaic component, and a photovoltaic cell laminate of each photovoltaic component is not stacked by another The photovoltaic module is extruded. The invention can ensure the stability of the photovoltaic component in the stacked state by setting the support structure when stacking in the upper and lower direction on the support frame of the photovoltaic module, and is beneficial to the transportation of the photovoltaic component.

Preferably, the support frame includes a first upper limit portion, a first lower limit portion, a second upper limit portion and a second lower limit portion, wherein the first upper limit portion and the first lower limit portion exceed the photovoltaic battery a front side of the laminate is disposed, the second upper limit portion and the second lower limit portion are disposed beyond a rear side of the photovoltaic cell laminate, and when a plurality of the photovoltaic modules are stacked, a photovoltaic module is An upper limit portion is located at a first lower limit portion of another photovoltaic module, and a second upper limit portion of one photovoltaic module abuts a second lower limit portion of another adjacent photovoltaic module, thereby limiting a photovoltaic The movement of the component in the fore and aft direction relative to another adjacent photovoltaic component. Further, the present invention provides a first upper limit portion, a first lower limit portion, a second upper limit portion, and a second lower limit portion, and through the cooperation between the first upper limit portion and the first lower limit portion a limit, and a matching limit between the second upper limit portion and the second lower limit portion, thereby effectively limiting the phase of the photovoltaic module in the front-rear direction For mobile, it is conducive to the transportation of photovoltaic components.

Preferably, the support frame includes a third upper limit portion and a third lower limit portion. When a plurality of photovoltaic modules are stacked, a third upper limit portion of one photovoltaic module is matched with a third lower limit portion of another photovoltaic component. Thereby limiting the movement of one photovoltaic component in the left-right direction relative to another adjacent photovoltaic component. Further, the present invention sets the third upper limit portion and the third lower limit portion, and passes the matching limit between the third upper limit portion and the third lower limit portion, thereby making the stacked state The photovoltaic module on the side can protect the photovoltaic module located on the lower side, and effectively limits the relative movement of the photovoltaic module in the left and right direction, which is more conducive to the transportation of the photovoltaic module.

Other aspects and features of the present invention will become apparent from the Detailed Description of the Drawing. It should be understood, however, that the drawings are intended for purposes of illustration only and are not intended to It should also be understood that the drawings are not necessarily to scale, DRAWINGS

1 is a partially exploded perspective view of a photovoltaic system in accordance with an embodiment of the present invention.

Figure 2 is a perspective view of the photovoltaic module of Figure 1.

Figure 3 is a side elevational view of the photovoltaic module of Figure 2.

Figure 4 is a cross-sectional view taken along line A-A of Figure 2 .

Figure 5 is a perspective view of the support frame of Figure 2.

Figure 6 is a perspective view of the support frame similar to Figure 5, but showing another perspective.

7 and 8 are respectively partially enlarged schematic views of a photovoltaic module according to an embodiment of the present invention before and after assembly of a front-rear connection.

Figure 9 is a schematic illustration of the installation of a compact for a photovoltaic module in accordance with the present invention.

Figure 10 is a perspective view of another perspective view of the compact of Figure 9.

Figure 11 is a perspective view of another angle of the intermediate windshield wall shown in Figure 1.

Figure 12 is a perspective view of another angle of the outer windshield shown in Figure 1.

Figure 13 is a top plan view of two photovoltaic modules stacked in accordance with an embodiment of the present invention.

Figure 14 is a side elevational view of the photovoltaic module in the stacked state of Figure 13. Figure 15 is a cross-sectional view taken along line B-B of Figure 13.

Fig. 16 and Fig. 17 are enlarged views of the partial regions D and E in Fig. 15, respectively.

Figure 18 is a cross-sectional view taken along line C-C of Figure 13. detailed description

The above described objects, features and advantages of the present invention will become more apparent from the aspects of the appended claims.

Referring to Figure 1, a photovoltaic system 100 of an embodiment of the present invention is for mounting on a mounting surface (not shown) of a building, such as a surface of a roof, which includes a plurality of photovoltaic modules 200 and is mounted in photovoltaic The intermediate windshield wall 3, the outer windshield wall 4, and the bottom side windshield wall 5 on the assembly 200. The intermediate windshield wall 3 and the outer windshield wall 4 constitute the photovoltaic system windshield wall structure of the present invention, because the photovoltaic system windshield wall structure composed of the intermediate windshield wall 3 and the outer windshield wall 4 is installed on the photovoltaic module 200. The rear side of the photovoltaic system of the present invention is also referred to as a rear windshield wall. The plurality of photovoltaic modules 200 are arranged in a row in an array to form an array. In the specific embodiment, only four photovoltaic modules 200 arranged in two rows and two columns, that is, the first photovoltaic module 200a, the second photovoltaic module 200b, and the third photovoltaic The assembly 200c and the fourth photovoltaic module ² 00d are exemplarily illustrated by way of example, but are not intended to limit the invention. In fact, the volt system 100 of the present invention may be arranged in an arbitrary array according to the size of the mounting surface of the actual building. A plurality of photovoltaic modules 200 in the form.

Referring to FIG. 2, the photovoltaic module 200 includes a photovoltaic cell laminate 1 and a support frame 2 mounted on the photovoltaic cell laminate 1, the support frame 2 is mounted to a mounting surface of the building, and the support frame 2 Mounted on the back of the PV cell laminate 1. Preferably, the photovoltaic module 200 includes at least two support frames 2 each having an elongated shape extending in the front-rear direction and arranged side by side in the left-right direction at the back of the photovoltaic cell laminate 1. In this embodiment, a pair of support frames ² are spaced apart from each other on the back side of the photovoltaic cell laminate 1.

The photovoltaic cell laminate 1 of the present invention is formed by laminating a front glass substrate, a packaging material, a plurality of solar cell sheets, and a back sheet by edge sealing, and the edge seal can pass through the sealant and/or It is implemented by installing a sealing frame around it. The backsheet of the photovoltaic cell laminate may also be a glass substrate. When the bezel seal is used, since the frame of the photovoltaic cell laminate of the present invention only serves as a sealing, the frame structure of the photovoltaic cell laminate 1 of the present invention is simple and does not need to be designed as compared with the conventional photovoltaic cell module. Fixation of PV system installation The components, so the frame weight is small, thereby greatly reducing the weight of the photovoltaic cell laminate 1, and it is easier to comply with the relevant standards for the maximum weight of the roof photovoltaic module.

The orientation terms mentioned in this patent application, for example, "front", "back", "top",

"Bottom", "upper", "lower", "left", "right", etc. are only for the purpose of explaining the relative positional relationship between the various components, but are not intended to limit the absolute orientation of the related components. Referring to Fig. 2, the positive direction of the X-axis is the front and the negative direction is the rear; the positive direction of the y-axis is the left and the negative direction is the right; the positive direction of the z-axis is the upper direction and the negative direction is the lower side.

Referring to Figures 3 to 6, the support frame 2 includes a support portion 20, a first connecting portion 22, a transition portion 24, and a second connecting portion 26. The support portion 20 is preferably secured to the back side of the photovoltaic cell laminate 1 by bonding for supporting the photovoltaic cell laminate 1. The side of the support portion 20 bonded to the photovoltaic cell laminate 1 has a glue receiving groove 202. The first connecting portion 22 extends forward from the front end of the support portion 20, and the first connecting portion 22 is disposed adjacent to the front side of the photovoltaic cell laminate 1. The transition portion 24 extends rearward from the rear end of the support portion 20 for connecting the support portion 20 and the second joint portion 26. The second connecting portion 26 continues to extend rearward from the transition portion 24, and the second connecting portion 26 is disposed adjacent to the rear side of the photovoltaic cell laminate. In the present embodiment, the first connecting portion 22 extends from the first end of the support portion 20 beyond the front side of the photovoltaic cell laminate 1, and the transition portion 24 and the second connecting portion 26 from the opposite second end of the support portion 20 Extending beyond the rear side of the photovoltaic cell laminate 1.

When the photovoltaic module 200 is mounted on the mounting surface of the building, the first connecting portion 22 and the second connecting portion 26 are placed on the mounting surface to cooperate with the mounting surface, and the supporting portion 20 is disposed at an angle with the mounting surface, thereby After the photovoltaic cell laminate 1 is fixedly mounted and at an angle to the mounting surface, the inclined configuration of the photovoltaic cell laminate 1 is more advantageous for the photovoltaic cell laminate 1 to collect solar energy, thereby better converting solar energy into electrical energy. And can effectively utilize the area of the mounting surface such as the roof. The angle setting between the photovoltaic cell laminate 1 and the mounting surface needs to comprehensively consider the conversion of electric energy and the factor of effectively utilizing the installation area, while ensuring that the sunlight does not cause mutual occlusion between the solar cell modules, preferably The angle range is 5 - 20. . In the present embodiment, the first connecting portion 22 and the second connecting portion 26 are located on the same horizontal plane.

Referring to FIG. 5 to FIG. 8, when the plurality of photovoltaic modules 200 are mounted end to end (ie, the front-rear direction) to the mounting surface, the first connecting portion 22 of one photovoltaic module 200 and the adjacent another photovoltaic device The second connections 26 of the assembly 200 are joined to maintain the relative position of one photovoltaic component 200 to another adjacent photovoltaic component 200. First connection portion of the present invention The 22 and second connecting portions 26 are designed as a structure that can be interlocked with each other. In a specific embodiment of the present invention, the first connecting portion 22 and the second connecting portion 26 are both frame-shaped, and the size of the first connecting portion 22 is larger than the size of the second connecting portion 26, and the first connecting portion 22 can cover The sleeve is sleeved on the second connecting portion 26. The first connecting portion 22 is provided with a first fixing portion 222 , and the second connecting portion 26 is provided with a second fixing portion 262 corresponding to the position of the first fixing portion 222 of the first connecting portion 22 . Preferably, the first connecting portion 22 includes at least two first fixing portions 222, and the second connecting portion 26 includes at least a second fixing portion 262 corresponding to the first fixing portion 222, and the first fixing portions 222 are respectively disposed at the first The opposite side edges of the connecting portion 22 and the second fixing portions 262 are respectively disposed at opposite side edges of the second connecting portion 26. Wherein at least one of the first fixing portion 111 and the second fixing portion 262 is an elastic structure, when the first connecting portion 22 of one photovoltaic module 200 is engaged with the second connecting portion 262 of the adjacent another photovoltaic module 200 The elastic structure is first elastically deformed by being pressed against the opposite one of the first fixing portion 222 and the second fixing portion 262, and then the elastic structure loses the pressing force and rebounds and locks. The first fixing portion 222 and the second fixing portion 262 are engaged with each other to lock, thereby defining the relative positions of the joined first connecting portion 22 and the second connecting portion 26. In this embodiment, the first fixing portion 222 is disposed in a shape of a protrusion in which the lower edges of the two side walls are inwardly protruded, and the second fixing portion 262 is disposed as a spring piece which is outwardly deflected from the two side walls, and the elastic piece can be caught under the opening. On the edge of the edge. A convex portion 224 that protrudes downward is disposed on a top side of the first connecting portion 22, and a first mounting hole 226 is formed in the protruding portion 224. The second connecting portion 26 is provided with a through second mounting hole 266 at a position corresponding to the convex portion 224. When the first connection portion 22 of one photovoltaic module 200 is engaged with the second connection portion 26 of another adjacent photovoltaic module 200, the convex portion 224 of the first connection portion 22 of one photovoltaic module 200 is inserted into the adjacent another The second mounting hole 266 of the photovoltaic module 200 is within, and the positions of the first mounting hole 226 and the second mounting hole 266 are aligned with each other.

The first connecting portion 22 and the second connecting portion 26 which can be mutually matched and can be locked to each other are respectively designed on the support frame 2 of the photovoltaic module 200, through the first connecting portion 22 and the first two adjacent photovoltaic modules 200 The mating of the two connecting portions 26 enables front-to-back connection between adjacent two photovoltaic modules 200 without the need for additional additional connector structures. Referring to FIGS. 7 and 8, when it is required to connect adjacent two photovoltaic modules 200 to each other in the front-rear direction, the first connection portion 22 of the support frame 2 of one photovoltaic module 200 covers another adjacent photovoltaic module 200. The second connecting portion 26 of the support frame 2, wherein the convex portion 224 of the first connecting portion 22 is received in the second mounting hole 266 of the second connecting portion 26, and the second mounting hole 266 The second fixing portion 262 of the second connecting portion 26 can be caught in the first fixing portion 222 of the first connecting portion 22 such that the first connecting portion 22 and the second connecting portion are aligned with each other. 26 interlocking each other to achieve front-to-back connection between adjacent two photovoltaic modules 200. For connecting more than one photovoltaic module 200 in the front-rear direction, the above similar connection manner can be used for connection. This end-to-end connection is simple and fast, which greatly simplifies the assembly process of the photovoltaic system 100 and improves work efficiency.

The above description is based on the case where the first connecting portion 22 and the second connecting portion 26 are both frame-shaped. However, the present invention is not limited thereto, and the first connecting portion 22 and the second connecting portion 26 of the present invention may also adopt other The structure that can be interlocked with each other does not depart from the essence of the invention. Moreover, in other embodiments of the present invention, the size of the second connecting portion 26 may be larger than the size of the first connecting portion 22, so that the second connecting portion 26 covers the first connecting portion 22, and the present invention may be implemented. purpose. In still another embodiment of the present invention, the first fixing portion 222 of the first connecting portion 22 and the second fixing portion 262 of the second connecting portion 26 may also be reversed or other locking means may be employed. All such equivalents and modifications are within the scope of the invention.

Referring to Figures 9 and 10, in other embodiments of the present invention, optionally, depending on the local weather conditions of the installation, in order to increase the reliability of the photovoltaic module on the mounting surface, such as the roof, the photovoltaic system 100 may also include Pieces 6. The pressing block 6 can be pressed onto the first connecting portion 22 and the second connecting portion 26 which are fixedly connected to each other, and the first mounting hole 226 and/or the second connecting portion of the pressing block 6 corresponding to the first connecting portion 22 A mounting hole 60 is provided at a position of the second mounting hole 266 of 26.

When the plurality of photovoltaic modules 200 are mounted to the mounting surface and the first connection portion 22 of one photovoltaic module is engaged with the second connection portion 26 of the adjacent other photovoltaic module, for the photovoltaic module at the front-rear direction connection, Since the first connecting portion 22 of one photovoltaic module covers the second connecting portion 26 of the adjacent other photovoltaic module, the mounting hole 60 of the pressing block 6 and the first connecting portion 22 are sequentially passed through the pin 64. A mounting hole 226 and a second mounting hole 266 of the second connecting portion 26 are fixed to fix the pressing block 6 at a portion where the first connecting portion 22 and the second connecting portion 26 are joined. For the photovoltaic module 200 located at one of the outermost ends of the photovoltaic system array, the mounting holes 60 of the pressing block 6 and the first mounting holes 226 of the first connecting portion 22 are sequentially passed through the pins 64, thereby pressing the pressing block 6 It is fixed to the first connecting portion 22. For the photovoltaic module 200 located at the other outermost end, the mounting hole 60 of the pressing block 6 and the second mounting hole 266 of the second connecting portion 26 are sequentially passed through the pin 64, thereby fixing the pressing block 6 to the second connecting portion. 26 on. Optimal In view of the fact that the pressure block 6 can be better supported on the surface of the building, a plurality of support columns 62 for supporting on the mounting surface of the building can also be provided on the bottom surface of the pressure block 6.

In the assembly process of the actual photovoltaic system 100, in order to avoid the influence of wind on the stability of the entire photovoltaic system, it is usually necessary to install a windshield to change the direction of the wind. Referring to Figure 1, when the photovoltaic module 200 is mounted to the mounting surface, the rear windshields 3, 4 are mounted adjacent the rear side of the photovoltaic cell laminate 1, and substantially block the rear side of the photovoltaic module 200 from the mounting surface. Space. Considering the problem of heat dissipation of the photovoltaic modules, the rear windshields 3, 4 are provided with a plurality of openings 30, 40. The openings 30, 40 may be circular or polygonal through holes, and another preferred manner may be louvered holes, so as to achieve the effect of dissipating heat from the photovoltaic module 200 without affecting the function of the wind shield. The rear windshields 3, 4 are fixed to the support frame 2 of at least two photovoltaic modules 200 side by side in the left and right direction, and define the relative positions of at least two adjacent photovoltaic modules 200 in the left and right direction. Specifically, the rear windshields 3, 4 are fixed to the transition portion 24 of the support frame 2 of the adjacent photovoltaic module 200, thereby connecting adjacent photovoltaic modules 2 QQ side by side with each other.

Referring to Figures 1 and 11 to 12, the rear windshield walls 3, 4 include an intermediate windshield wall 3 and an outer windshield wall 4. The length of the intermediate windshield wall 3 is substantially equal to the length of the rear side of a photovoltaic cell laminate 1 for side-by-side connection of two photovoltaic modules 200 adjacent to each other. The intermediate windshield wall 3 is provided with a pair of slots 32 corresponding to the positions of adjacent transition portions 24 of the two photovoltaic modules 200 connected side by side, and the transition portion 24 can be received in the slots 32. The transition portion 24 is provided with a positioning hole 242 and a plurality of fixing holes 244 (refer to Fig. 5). The intermediate windshield wall 3 has a plurality of claws 36 projecting in a position corresponding to the fixing holes 244 in the slot 32, and the plurality of claws 36 can be respectively hooked in the plurality of fixing holes 244. The intermediate windshield wall 3 is provided with a positioning post 34 protruding from a position corresponding to the positioning hole 242, and the positioning post 34 can be positioned in the positioning hole 242. A relief portion 246 is provided on the top side of the intersection of the support portion 20 and the transition portion 24, and the relief portion 246 is for receiving the upper side of the intermediate windshield wall 3.

Referring to FIG., When two adjacent PV module 200 requires, for example, the first photovoltaic module 200a and 200c of the third PV module connected in parallel to each other around the transition portion supporting a first portion of the photovoltaic module ² 00a 20 241 And the transition portion 24 of the support portion 20 of the third photovoltaic module 200c is respectively received in a pair of slots 32 of the same intermediate windshield wall 3, and the positioning post 34 of the intermediate windshield wall 3 is first positioned in the positioning hole 242, thereby The intermediate windshield wall 3 is first positioned on the first photovoltaic module 200a and the third photovoltaic component 200c, and further, the claws 36 of the intermediate windshield wall 3 are locked in the fixing holes of the transition portion 24, and the intermediate windshield wall 3 The upper side is stuck in the relief portion 246 of the support frame 2 Thus, the intermediate windshield wall 3 is thus fixed to the adjacent two adjacent transition portions 24 of the left and right adjacent first and second photovoltaic modules 200a, 200c. Therefore, the adjacent first photovoltaic module 200a and third photovoltaic module 200c are connected to each other side by side through the intermediate windshield wall 3. For side-by-side connections between the second photovoltaic component 200b and the fourth photovoltaic component 200d, or even more photovoltaic modules 200 connected in parallel, connections can be made using similar connections as above. Referring to FIG. 1, the photovoltaic modules 200 can be arranged in a matrix form by the front-rear direction connection and the side-by-side connection of the photovoltaic modules 200 described above.

The present invention skillfully utilizes the intermediate windshield wall 3, and any plurality of photovoltaic modules can be realized by mutual cooperation and interlocking between the intermediate windshield wall 3 and two adjacent transition portions 24 of two adjacent photovoltaic modules 200. 200 are connected side by side in the left and right direction without the need for additional connector structures. Therefore, the side-by-side connection method of the present invention in the left and right direction has the advantages of simplicity, quickness, and the like, which greatly saves the assembly process and the number of components of the photovoltaic system 100, and improves the work efficiency. The intermediate windshield wall 3 of the present invention has the dual function of maintaining the function of the windshield wall as a function of the windshield, thereby reducing the influence of the wind power on the photovoltaic system array, thereby maintaining the photovoltaic system array firmly on the mounting surface. Acting as a connector structure between the photovoltaic modules 200 side by side, the additional connector components in the side-by-side connection can be omitted, saving the number of components and facilitating the cost reduction of the photovoltaic system 100.

The outer windshield wall 4 has a configuration similar to one half of the intermediate windshield wall 3. Referring to FIG. 12, the outer windshield wall 4 is provided with a slot 42 corresponding to the transition portion 24 of the support frame of the photovoltaic module 200, and the outer windshield wall 4 is fixed in the slot 42 corresponding to the transition portion 24. The hole 244 is protruded from a plurality of claws 46, and a positioning post 44 is projected at a position corresponding to the positioning hole 242 of the transition portion 24. Referring to FIG. 1, the outer windshield 4 is mounted on the outer side of the rear side of the photovoltaic module 200 at the outermost end, wherein the transition portion 24 of the support portion 20 of the photovoltaic module 200 at the outermost end is received in the outer side. In the slot 42 of the wind wall 4, the positioning post 44 of the outer windshield 4 is positioned in the positioning hole 242 of the transition portion 24, so that the outer windshield wall 4 is first positioned on the photovoltaic module 200 at the outermost end, and The pawl 46 of the outer windshield 4 is locked in the fixing hole 244 of the transition portion 24, thereby fixing the outer windshield wall 4 to the outermost transition portion 24 of the photovoltaic module 200 at the outer end.

Referring to FIGS. 13-18, when a plurality of photovoltaic modules 200 are stacked or transported, the support frame 2 of one photovoltaic module 200 can be supported on the support frame 2 of another photovoltaic module 200, and each photovoltaic component 200 photovoltaic cell laminate 1 is not stacked by other light The volt assembly 200 is squeezed.

Referring to Fig. 16, Fig. 17, and Fig. 18, Fig. 16 and Fig. 17 are enlarged views of the partial regions D and E in Fig. 15, respectively, and Fig. 18 is a cross-sectional view taken along line C-C of Fig. 13. The support frame 1 includes a first upper limit portion 227, a first lower limit portion 228, a second upper limit portion 247 and a second lower limit portion 248. The first upper limit portion 227 and the first lower limit portion 228 extend beyond the photovoltaic cell. The front side of the laminate 1 is disposed, the second upper limit portion 247 and the second lower limit portion 248 are disposed beyond the rear side of the photovoltaic cell laminate 1, and the first upper limit portion 227 and the first lower limit position The portion 247 is adjacent to the intersection of the first connecting portion 22 and the support portion 20, and the second upper limit portion 228 and the second lower limit portion 248 are adjacent to the intersection of the second connecting portion 26 and the transition portion 24. The first upper limit portion 227 and the second upper limit portion 247 are disposed on the top surface of the support frame 2, and the first upper limit portion 227 has a rearward limit surface, and the second upper limit portion 247 has a forward limit surface. The first lower limit portion 228 and the second lower limit portion 248 are disposed on the bottom surface of the support frame 2, and the first lower limit portion 228 is provided with a front limit surface, and the second lower limit portion 248 has a rearward direction. Limit surface. In the present embodiment, the first upper limit portion 227 and the second upper limit portion 247 are embodied as limit protrusions protruding upward in the top surface, and the first lower limit portion 228 and the second lower limit portion 248 are embodied as the bottom surface. Reinforcing ribs extending in the left and right direction.

Referring to the partial enlarged views of FIGS. 17 and 18, when a plurality of photovoltaic modules 200 are stacked, the first upper limit portion 227 of one photovoltaic module 200 abuts the first lower limit position of the adjacent another photovoltaic module 200. The portion 228 , specifically, the limiting surface of the first upper limit portion 227 of one photovoltaic module 200 abuts the limiting surface of the first lower limit portion 228 of the adjacent another photovoltaic module 200, and one photovoltaic module 200 The second upper limit portion 247 abuts the second lower limit portion 248 of the other photovoltaic module 200. Specifically, the limit surface of the second upper limit portion 247 of one photovoltaic module 200 abuts against the adjacent another photovoltaic module 200. The limiting surface of the second lower limit portion 248 limits the relative movement of one photovoltaic module 200 relative to the adjacent other photovoltaic module 200 in the front-rear direction, ie, the end-to-end direction, to facilitate transportation of the photovoltaic module 200.

Referring specifically to FIG. 18, the support frame 2 further includes a third upper limit portion 249a and a third lower limit portion 249b. When the plurality of photovoltaic modules 200 are stacked, the third upper limit portion 249a of one photovoltaic module 200 is adjacent to The third lower limit portion 249b of the other photovoltaic module 200 cooperates to limit the movement of one photovoltaic module 200 relative to the adjacent other photovoltaic module 200 in the left and right direction. In the embodiment, the left and right sides of the transition portion 24 have a shape of a narrow upper and a lower width, and upper portions of the left and right side walls of the transition portion 24 form an upper retaining wall, and the left and right side walls of the transition portion 24 extend downward. Block the wall. When the third upper limit portion 249a of one photovoltaic module 200 is adjacent to another When the third lower limit portion 249b of one photovoltaic module 200 is engaged, the outer side of the left and right side walls of the transition portion 24 (ie, the upper retaining wall) and the inner side of the left and right side walls of the transition portion 24 (ie, the lower retaining wall) are fitted. Therefore, the photovoltaic module 200 located on the upper side can protect the photovoltaic module 200 located on the lower side, and can prevent the relative movement of one photovoltaic component 200 relative to the adjacent another photovoltaic component 200 in the left-right direction, further Facilitate the transportation of the photovoltaic module 200.

Preferably, as shown in connection with Fig. 6, a plurality of reinforcing ribs 290 extending in the front-rear direction and a receiving groove 292 between the reinforcing ribs are disposed on the side of the support frame 2 away from the photovoltaic cell laminate 1. Reinforcing ribs 290 are used to increase the strength of photovoltaic module 200. Referring to Fig. 4, the bottom side windshield wall 5 of the photovoltaic system 100 is mounted in the receiving groove 292. Referring to FIG. 1, after assembling the photovoltaic module 200 into a desired matrix form, a bottom side windshield wall 5 is mounted on the bottom side of the outermost photovoltaic module 200, wherein the bottom side windshield wall 5 is mounted on Located in the receiving groove 292 of the support frame 2 of the outermost photovoltaic module 200.

The present invention has been disclosed in the above preferred embodiments, but it is not intended to limit the invention, and any one skilled in the art can make possible variations and modifications without departing from the spirit and scope of the invention. The scope of protection should be determined by the scope defined by the claims of the present invention.

Claims

Rights request

A photovoltaic module comprising a photovoltaic cell laminate and a support for mounting to a mounting surface, wherein: the support frame is attached to a back side of the photovoltaic cell laminate, and the support frame comprises a first connecting portion and a second connecting portion, the first connecting portion being disposed adjacent to a front side of the photovoltaic cell laminate, and the second connecting portion being disposed adjacent to a rear side of the photovoltaic cell laminate, When mounting the plurality of photovoltaic modules to the mounting surface, the first connection portion of one photovoltaic module is engaged with the second connection portion of the adjacent another photovoltaic module, thereby maintaining the one photovoltaic module adjacent to the adjacent The relative position of another photovoltaic component and the mounting of a plurality of photovoltaic components on the mounting surface.

2. The photovoltaic module according to claim 1, wherein the first connecting portion is provided with a first fixing portion, and the second connecting portion is disposed corresponding to a position of the first fixing portion of the first connecting portion. a fixing portion, when the first connecting portion of one photovoltaic module is engaged with the second connecting portion of the adjacent another photovoltaic module, the first fixing portion and the second fixing portion cooperate with each other to lock, thereby defining The relative position of the joined first connecting portion and the second connecting portion.

3. The photovoltaic module according to claim 2, comprising at least two first fixing portions and at least two second fixing portions corresponding to the first fixing portions, the first fixing portions being respectively disposed The second fixing portions are respectively disposed on opposite side edges of the second connecting portion on opposite sides of the first connecting portion, and at least one of the first fixing portion and the second fixing portion One is an elastic structure, the elastic structure is firstly used by the first fixing portion and the second fixing portion when the first connecting portion of one photovoltaic module is engaged with the second connecting portion of another adjacent photovoltaic module The upper one is elastically deformed by the opposite one, and then the elastic structure loses the pressing force and rebounds.

4. The photovoltaic module according to claim 1, wherein a top side of the first connecting portion is provided with a convex portion protruding downward, at a position corresponding to the convex portion of the second connecting portion Providing a second mounting hole, the convex portion of the first connecting portion of the one photovoltaic module is inserted into the other when the first connecting portion of one photovoltaic module is engaged with the second connecting portion of the adjacent another photovoltaic module A second mounting hole of a photovoltaic module.

The photovoltaic module according to claim 4, wherein a first mounting hole is provided through the convex portion of the first connecting portion.

6. The photovoltaic module of claim 1, wherein the support frame further comprises a support And a transition portion bonded to a back surface of the photovoltaic cell laminate, the first connection portion extending from the support portion, the transition portion connecting the support portion and the second portion a connecting portion, when the photovoltaic module is mounted to the mounting surface, the first connecting portion and the second connecting portion are engaged with a mounting surface, and the supporting portion and the transition portion are inclined to the mounting surface, thereby The front side of the photovoltaic cell laminate is mounted adjacent to the mounting surface and the rear side is tilted away from the mounting surface.

7. The photovoltaic module according to claim 6, wherein a side of the support portion bonded to the photovoltaic cell laminate has a glue receiving groove.

8. The photovoltaic module according to claim 1, wherein each of the photovoltaic modules comprises at least two support frames, each of which has a longitudinal shape extending in a front-rear direction and spaced side by side in the left-right direction. Arranged on the back of the photovoltaic cell laminate.

9. The photovoltaic module of claim 1 comprising a compact, the plurality of said photovoltaic components being mounted to a mounting surface and a first connection of a photovoltaic component to a second connection of an adjacent other photovoltaic component When the portions are joined, the compact is fixed to a portion where the first connecting portion and the second connecting portion are joined.

The photovoltaic module according to claim 9, wherein the pressing block is provided with a mounting hole through which the pin is fixed by the pin to the first connecting portion and the first The portion where the two connecting portions are joined.

1 . The photovoltaic module according to claim 10, wherein a plurality of support columns are further disposed on a bottom surface of the pressure block, and the support columns are supported on the mounting surface when the photovoltaic module is mounted to the mounting surface.

12. The photovoltaic module according to claim 6, wherein when a plurality of the photovoltaic modules are stacked, a support frame of one photovoltaic module is supported on a support frame of another adjacent photovoltaic component, and each photovoltaic component The photovoltaic cell laminate is not squeezed by other stacked photovoltaic modules.

The photovoltaic module according to claim 12, wherein the support frame comprises a first upper limit portion, a first lower limit portion, a second upper limit portion and a second lower limit portion, the first upper limit The bit portion and the first lower limit portion are disposed beyond a front side of the photovoltaic cell laminate, the second upper limit portion and the second lower limit portion being disposed beyond a rear side of the photovoltaic cell laminate, when When the photovoltaic modules are stacked, the first upper limit portion of one photovoltaic module abuts the first lower limit portion of the other photovoltaic module, and the second upper limit portion of one photovoltaic module abuts against the adjacent another photovoltaic component A second lower limit portion, thereby limiting movement of one photovoltaic component relative to another adjacent photovoltaic component in the front-rear direction.

The photovoltaic module according to claim 13, wherein the first upper limit portion and the second upper limit portion are disposed on a top surface of the support frame, and the first upper limit portion has a rearward facing portion a limiting surface, the second upper limit portion has a front limiting surface; the first lower limit portion and the second lower limit portion are disposed on a bottom surface of the support frame, and the first lower limit portion Providing a front facing limiting surface, the second lower limiting portion having a rearward facing surface; when the plurality of photovoltaic modules are stacked, the limiting surface of the first upper limit portion of one photovoltaic module abuts The limiting surface of the first lower limit portion of the adjacent other photovoltaic component, and the limiting surface of the second upper limit portion of one photovoltaic module is adjacent to the second of the adjacent other photovoltaic component The limiting surface of the lower limit portion.

The photovoltaic module according to claim 13, wherein the first upper limit portion and the first lower limit portion are adjacent to a junction of the first connecting portion and the support portion, and the second upper limit portion The portion and the second lower limit portion are adjacent to the intersection of the second connecting portion and the transition portion.

16. The photovoltaic module according to claim 13, wherein the support frame comprises a third upper limit portion and a third lower limit portion, and when a plurality of photovoltaic modules are stacked, a third upper limit portion of one photovoltaic module is The third lower limit portion of the other photovoltaic component cooperates to limit the movement of one photovoltaic component relative to the adjacent other photovoltaic component in the left and right direction.

17. The photovoltaic module according to claim 16, wherein the third lower limit portion comprises at least two lower barrier walls extending downward from left and right sides of the support frame, the third upper limit portion An upper barrier wall extending including at least two tops adjacent to left and right sides of the support frame, when a third upper limit portion of one photovoltaic module is mated with a third lower limit portion of another adjacent photovoltaic module, The inner side of the lower barrier wall of the third lower limit portion is respectively blocked to the left and right outer sides of the upper barrier wall of the third upper limit portion.

The photovoltaic module according to claim 17, wherein the left and right sides of the transition portion have a shape of a narrow upper and a lower width, and upper portions of the left and right side walls of the transition portion form the upper retaining wall, the transition portion The left and right side walls extend downward to form the lower barrier wall. When the third upper limit portion of one photovoltaic module is engaged with the third lower limit portion of the adjacent other photovoltaic module, the left and right sides of the transition portion The outer side of the upper portion of the side wall cooperates with the inner side of the lower left and right side walls of the transition portion, thereby preventing movement of one photovoltaic module relative to the adjacent other photovoltaic module in the left-right direction.

19. The photovoltaic module of claim 1 wherein a side of the support frame remote from the photovoltaic cell laminate is provided with a plurality of reinforcing ribs extending forward and backward.

20. A photovoltaic module support for mounting a photovoltaic cell laminate to a mounting surface and supporting a photovoltaic component, wherein: the support frame is for attachment to the photovoltaic cell laminate a back surface, and the support frame includes a first connection portion disposed adjacent to a front side of the photovoltaic cell laminate, and a second connection portion adjacent to the photovoltaic cell a rear side of the laminate, when the plurality of the photovoltaic modules are mounted to the mounting surface, the first connection portion of one photovoltaic module is joined to the second connection portion of the adjacent another photovoltaic module, thereby maintaining the A relative position of one photovoltaic component to the adjacent another photovoltaic component and mounting a plurality of photovoltaic components on the mounting surface.

The photovoltaic module support frame according to claim 20, wherein the first connecting portion is provided with a first fixing portion, and the second connecting portion is disposed corresponding to a position of the first fixing portion of the first connecting portion a second fixing portion, when the first connecting portion of one photovoltaic module is engaged with the second connecting portion of the adjacent another photovoltaic module, the first fixing portion and the second fixing portion cooperate with each other to lock A relative position of the joined first connecting portion and the second connecting portion is defined.

22. The photovoltaic module support according to claim 21, comprising at least two first fixing portions and at least two second fixing portions corresponding to the first fixing portions, the first fixing portion Separately disposed on opposite side edges of the first connecting portion, the second fixing portions are respectively disposed on opposite side edges of the second connecting portion, and the first fixing portion and the second fixing portion are respectively At least one of the elastic structures is firstly engaged by the first fixing portion and the second portion when the first connecting portion of one photovoltaic module is engaged with the second connecting portion of the adjacent another photovoltaic module The opposite one of the fixing portions is elastically deformed by the pressing, and then the elastic structure loses the pressing force and rebounds.

The photovoltaic module support frame according to claim 20, wherein a top side of the first connecting portion is provided with a convex portion protruding downward, and a portion of the second connecting portion corresponding to the convex portion a second mounting hole is disposed at a position, the convex portion of the first connecting portion of the one photovoltaic module is inserted when the first connecting portion of one photovoltaic module is engaged with the second connecting portion of the adjacent another photovoltaic module Said in the second mounting hole of the other photovoltaic component.

24. The photovoltaic module support frame according to claim 23, wherein a first mounting hole is provided through the convex portion of the first connecting portion.

25. The photovoltaic module support of claim 20, wherein the support frame further comprises a support portion and a transition portion bonded to a back surface of the photovoltaic cell laminate, the first connection Extending from the support portion, the transition portion connecting the support portion and the second connecting portion, the first connecting portion and the second portion when mounting the photovoltaic module to a mounting surface The connecting portion cooperates with the mounting surface, and the support portion and the transition portion are inclined to the mounting surface, Thereby, the front side of the photovoltaic cell laminate is placed close to the mounting surface and the rear side is mounted obliquely away from the mounting surface.

26. The photovoltaic module support of claim 25, wherein a side of the support that is bonded to the photovoltaic cell laminate has a glue reservoir.