CN102605884B - Dry hanging type photovoltaic curtain wall - Google Patents

Abstract

The invention relates to a dry-hanging photovoltaic curtain wall. It mainly solves the problems of inconvenient disassembly, assembly and maintenance, high cost and low power generation efficiency of photovoltaic modules integrated with buildings in the prior art. The curtain wall includes a photovoltaic module and a fixed bracket composed of columns and beams. The upper and lower edges of the photovoltaic module are respectively provided with a hooking mechanism. The hooking mechanism includes a pressing block and a first hanging piece. On both sides of the edge of the photovoltaic module, the pressure block is fixed to the first hanger, and the edge of the photovoltaic module is sandwiched between the two. A second hanger corresponding to the first hanger is arranged on the fixing frame, and the first hanger is hung on the On the second pendant, connect the photovoltaic module to the fixing bracket. The invention has the advantages that: the photovoltaic module adopts the form of hooking, which is quick to install and convenient to maintain and replace; the structure is simple and the manufacturing cost is low; the curtain wall is an open structure, and the ventilation and heat dissipation performance of the photovoltaic module is good.

Description

A dry-hanging photovoltaic curtain wall

technical field

The invention relates to a solar photovoltaic module installation structure, in particular to a dry-hanging photovoltaic curtain wall with fast disassembly and assembly, convenient maintenance, low production cost and high power generation efficiency.

Background technique

In modern society, people's pursuit of a comfortable building thermal environment is getting higher and higher, which leads to the increasing energy consumption of building heating and air conditioning. In developed countries, building energy consumption has accounted for 30%-40% of the country's total energy consumption, which has formed a certain restrictive effect on economic development. Finding new energy sources has become an urgent issue facing mankind. Solar energy is a clean and renewable new energy source, which is more and more favored by people and widely used in people's life and work. Some buildings now integrate solar power generation products into the building. These photovoltaic components integrated into the building need to meet performance requirements, require higher mechanical properties than ordinary components and adopt different structural methods, which not only increases the production cost, Also increased installation requirements. Moreover, the light and shadow requirements of photovoltaic modules are also very high. It is necessary to adjust the arrangement of cells or use perforated cells to achieve a specific light transmittance. Reduced. As shown in Figure 1, a building-integrated photovoltaic curtain wall structure includes outer glass 1' and inner glass 2' in the building, and the edges on both sides between the outer glass and inner glass are formed by An inner frame 3', an aluminum spacer 4' and a sealant 5' are arranged sequentially from the inside to the outside, and several solar panels are arranged between the two inner frames, and the solar panels are inclined. The photovoltaic module is integrated with the building, but the structure of the whole set of modules is complicated, it is inconvenient to disassemble and maintain, and the manufacturing cost is also high. In addition, in order to meet the requirements of light transmission, the solar panels are arranged at intervals, which greatly reduces the power generation efficiency.

Contents of the invention

The present invention mainly solves the problems of inconvenient disassembly and maintenance, high cost and low power generation efficiency of photovoltaic modules integrated with buildings in the prior art, and provides a fast disassembly and assembly, convenient maintenance, low production cost, and power generation High-efficiency dry-hanging photovoltaic curtain wall.

The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: a dry-hanging photovoltaic curtain wall, including a photovoltaic module, and a fixed bracket composed of a column and a beam, respectively arranged on the upper and lower edges of the photovoltaic module There is a hooking mechanism, the hooking mechanism includes a pressing block and a first hanging piece, the pressing block and the first hanging piece are respectively arranged on both sides of the edge of the photovoltaic module, the pressing block is fixed with the first hanging piece, and the edge of the photovoltaic module is clamped Between the two, a second hanger corresponding to the first hanger is arranged on the fixing frame, the first hanger is hung on the second hanger, and the photovoltaic module is connected to the fixing bracket. In the present invention, the photovoltaic modules form the photovoltaic curtain wall in the form of dry hanging. Compared with the integrated type with the building, welding or bolt installation, the installation of the present invention is quick and convenient, and the photovoltaic modules are independent of each other, and the replacement is also very convenient and easy to maintain. . The positions of the hooking mechanism arranged on the upper edge of the photovoltaic module and the hooking mechanism arranged on the lower edge of the photovoltaic module are staggered, so that the hooking mechanisms of the upper and lower photovoltaic modules will not touch together during installation.

As a preferred solution, the first pendant includes a pendant main body, a hook body is provided at one end of the pendant main body, and a hook seat is provided at the other end. The hooking edge of the second hanger is consistent with the structure of the first hanger, the second hanger is fixed on the crossbeam in a vertically opposite manner to the first hanger, and the hook body of the first hanger is hung on the hook seat of the second hanger. The front end of the hook body of the first hanger is hooked on the hanging edge of the second hanger, and the hook body of the second hanger is hung on the hook seat of the second hanger, and the front end of the hook body of the second hanger is hooked on the hook of the second hanger. along. When installing, the first hanger is installed opposite to the second hanger, so that the first hanger and the second hanger can be articulated complementary to each other. This makes PV module installation quick and easy.

As a preferred solution, the hook body of the first hanging piece is provided with an adjusting bolt, and the adjusting bolt passes through the hook body of the first hanging piece and pushes against the upper surface of the hook seat of the second hanging piece. The adjusting bolts are used to adjust the positional relationship between the first hanger and the second hanger in the vertical direction, which makes installation more convenient, and also enables the photovoltaic module to be hung on the fixing bracket more firmly.

As a preferred solution, fixing blocks are respectively arranged on both sides of the hook body of the first hanging piece, and the fixing blocks are fixed on the upper surface of the hook seat of the second hanging piece through bolts. The two fixing blocks tightly clamp the hook body of the first pendant, which prevents the first pendant from moving left and right, and makes the connection between the photovoltaic module and the fixing frame more secure.

As a preferred solution, the briquetting block has a first stage, a second stage, a first rising edge segment connected between the first stage and the second stage, and is set on the second stage. The stepped structure of the second rising edge section, the pressing block is arranged on the back of the hanging piece main body of the first hanging piece, bolts are arranged on the first rising edge section, and the bolts are connected to the hanging piece main body of the first hanging piece, and the pressing block and the second hanging piece are connected. A pendant is fixed, and the second rising edge section, the second step section and the installation surface of the first pendant jointly form a clamping groove for clamping the edge of the photovoltaic module. The first stage of the briquetting block is parallel to the second stage, the first rising edge section is parallel to the second rising edge section, and the first rising edge section serves as a platform for installing bolts. During installation, the first stage of the pressing block is vertically supported on the first pendant installation surface, the first rising edge section is parallel to the first pendant installation surface, and the edge of the photovoltaic module is inserted into the clamping groove, that is, the second rising edge section is close to the photovoltaic module. The end face of the edge of the module, while the second stage and the installation surface of the first pendant are respectively attached to the front and back of the photovoltaic module under the action of bolts, and the edge of the photovoltaic module is tightly clamped under the action of bolts.

As a preferred solution, anti-slip stripes are provided on the side of the second stage that is in contact with the photovoltaic module. The cross section of the anti-slip stripes is jagged, and the anti-slip stripes play the role of anti-slip and compression.

As a preferred solution, a cover plate is arranged between the upper and lower adjacent photovoltaic modules, and the two sides of the cover plate are provided with cover edges, and two rows of buckle strips are set in the middle of the bottom of the cover plate, and the buckle strips extend into the second press block. In the space formed by the platform stage and the first rising edge section, the front end of the buckle bar is provided with a button body facing the second stage stage, and a buckle seat matching the button body is arranged on the surface of the second stage stage. On the pressing block and fastened with the pressing block. The cover plate covers the structure between the two photovoltaic modules, making the overall curtain wall more beautiful and plays a decorative role. In addition, the cover plate also plays a role of shielding to prevent water or other sundries from entering the gap between the photovoltaic modules. The fastening part of the cover plate is set in the middle of the bottom instead of at both ends of the cover plate, which greatly reduces the height of the cover plate, effectively avoids the influence of the shadow generated by the cover plate on the photovoltaic module, and improves the power generation rate of the photovoltaic module .

As a preferred solution, a spacer is provided between the second hanger and the beam. The gasket plays an insulating role, preventing electrochemical corrosion from occurring in direct contact between the second pendant and the beam.

As a preferred solution, the column is rectangular steel, the beam is an L-shaped angle steel, and a beam connector is welded on the side of the column, and the two ends of the beam are installed on the beam connector and fixed by bolts. The fixed bracket uses rectangular steel and angle steel as the column and beam, which reduces the cost of the fixed bracket. In addition, the components of the curtain wall are not limited to rectangular steel and angle steel. For example, channel steel can also be used for the column; the connection between the column and the beam can be in various forms, such as bolt connection, welding, etc.

As a preferred solution, the photovoltaic components are common photovoltaic components. Ordinary photovoltaic modules have a non-hollow structure, and the distance between solar cells on the photovoltaic module is very small, so that the power generation efficiency of ordinary photovoltaic modules is higher than that of hollow photovoltaic modules, so that the photovoltaic curtain wall composed of ordinary photovoltaic modules can generate electricity in a limited area. The efficiency can be the same as the power generation efficiency of a large-area curtain wall composed of hollow photovoltaic modules, that is, the electrical efficiency is improved and the cost is reduced. the

Therefore, the present invention has the following advantages: 1. The photovoltaic module adopts the form of hooking, which is quick to install and easy to maintain and replace; 2. The structure is simple and the manufacturing cost is low; 3. The curtain wall is an open structure, and the ventilation and heat dissipation performance of the photovoltaic module is good; 4. The use of ordinary photovoltaic modules improves the power generation efficiency in a limited area.

Description of drawings

Accompanying drawing 1 is the structure schematic diagram of a kind of central control photovoltaic module customized by BIPV in the prior art;

Accompanying drawing 2 is a kind of sectional structure schematic diagram of the present invention part;

Accompanying drawing 3 is a partial top view structural representation of the present invention;

Accompanying drawing 4 is a kind of structural representation of briquetting among the present invention;

Accompanying drawing 5 is a kind of structural representation of the first pendant and the second pendant among the present invention;

Accompanying drawing 6 is a kind of structural representation that the first pendant and briquetting block are connected among the present invention;

Accompanying drawing 7 is a kind of structure diagram of cover plate in the present invention.

1-column 2-beam 3-beam connector 4-first pendant 5-second pendant 6-press block 7-cover plate 8-photovoltaic module 10-fixing block 11-adjusting bolt 12-gasket 13-first unit Stage 14-First rising edge section 15-Second platform stage 16-Second rising edge section 17-Buckle seat 18-Pendant main body 19-Hook body 20-Hook seat 21-Hooking edge 22-Clamp groove 23-Cover edge 24-buckle 25-buckle body 26-anti-slip stripes.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Example:

In this embodiment, a dry-hanging photovoltaic curtain wall, as shown in Figures 1 and 2, includes a fixed bracket and a photovoltaic module 8 hung on the fixed bracket. The fixed bracket is composed of a column 1 and a beam 2, and the column is a rectangular Steel, the beam is made of angle steel, the columns are evenly spaced, and the beam connectors 3 are welded at even intervals on the two side walls of the column. fixed. The fixing bracket is fixed on the wall with the thermal insulation and waterproof layer.

The photovoltaic module 8 is installed on the fixed bracket through the hanging structure. There are four hanging mechanisms, two of which are installed on the upper edge of the photovoltaic module, and the other two are installed on the lower edge of the photovoltaic module. Stagger each other. The hook mechanism includes a first hook 4 and a pressing block 6. As shown in FIG. The lower end is bent inwardly in a step shape to form a articulated edge 21 , and the front end of the articulated edge is bent to form an articulated seat 20 . As shown in Figure 4, the briquetting block has a first stage 13, a second stage 15, a first rising edge section 14 connected between the first stage and the second stage, and is arranged on the second stage. The ladder-like structure of the second rising edge segment 16. As shown in Figure 6, during installation, the first stage 13 of the briquetting block is vertically supported on the back side of the pendant body 18 of the first pendant, so that the first rising edge section 14 is parallel to the back side of the pendant body, and the second rising edge The segment 16, the second stage stage 15 and the hanger body 18 form a clamping groove 22, and the edge of the photovoltaic module is inserted into the clamping groove. Bolts are arranged on the first rising edge section, and the bolts pass through the main body of the hanger and then are tightened with nuts to clamp the edge of the photovoltaic module between the pressure block and the first hanger. In order to make the pressure block compact and avoid sliding, anti-slip stripes 26 are provided on the side of the second rising edge section facing the photovoltaic module.

On the crossbeam of fixed support, be fixed with the second pendant 5 that matches with the first pendant, the structure of the second pendant is the same as the first pendant, when installing, the second pendant is oppositely installed relative to the first pendant, that is, the hook seat is located The upper end and the hook body are located at the lower end. The second hanger is fixed on the crossbeam 2 by bolts, and a gasket 12 is arranged between the second hanger and the crossbeam for connection and fastening. The first pendant is hung on the second pendant, the hook body of the first pendant is hung on the hanger of the second pendant, the front end of the hook body of the first pendant is buckled on the articulated edge of the second pendant, the buckle of the first pendant The seat is embedded in the hook body of the second pendant.

After the hooking is completed, an adjusting bolt 11 is provided on the hook body of the first pendant, and the adjusting bolt passes through the hook body of the first pendant and pushes against the upper surface of the hook seat of the second pendant to adjust the first pendant and the second pendant. between the positions in the vertical direction, and on both sides of the hook body 19 of the first pendant 4 are respectively provided with fixed blocks 10, the fixed blocks are fixed on the upper surface of the hook seat of the second pendant 5 by bolts, preventing the first pendant from left and right move.

As shown in Fig. 2 and Fig. 7, a cover plate 7 is arranged between the upper and lower adjacent photovoltaic modules 8, and cover edges 23 are arranged on both sides of the cover plate, and two rows of button bars 24 are arranged in the middle of the bottom of the cover plate, and the button bars It extends into the gap between the upper and lower photovoltaic modules, that is, in the space formed by the second stage 15 of the pressing block 6 and the first rising edge section 14, and the front end of the buckle is provided with a buckle body 25 facing the second stage, as shown in the figure As shown in 4, a buckle seat 17 matched with a buckle body is provided on the stage surface of the second stage, and the cover plate is covered on the briquetting block and is buckled with the briquetting block.

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.

Although terms such as first hanger, second hanger, pressure block, cover plate, and photovoltaic module are frequently used in this paper, the possibility of using other terms is not excluded. These terms are used only for the purpose of describing and explaining the essence of the present invention more conveniently; interpreting them as any kind of additional limitation is against the spirit of the present invention.

Claims (7)

1. A dry-hanging photovoltaic curtain wall, comprising a photovoltaic module, and a fixed bracket composed of a column and a beam, characterized in that: the upper and lower edges of the photovoltaic module are respectively provided with a articulated mechanism, the articulated mechanism includes a pressing A block (6) and a first hanger (4), the press block and the first hanger are respectively arranged on both sides of the edge of the photovoltaic module, the press block is fixed to the first hanger, and the edge of the photovoltaic module is sandwiched between the two , the second pendant (5) corresponding to the first pendant is arranged on the fixed frame, the first pendant is hung on the second pendant, and the photovoltaic module is connected to the fixed bracket, and the first pendant (4) includes the pendant The main body (18) is provided with a hook body (19) at one end of the main body of the pendant, and a hook seat (20) is provided at the other end, and a hooking edge for hooking the hook body is formed by bending between the hook seat and the main body of the pendant (21), the structure of the second pendant is consistent with that of the first pendant, the second pendant and the first pendant are fixed on the beam (2) in a vertically opposite manner, and the hook body of the first pendant is hung on the hook seat of the second pendant On the top, the front end of the hook body of the first hanging piece is hooked on the hooking edge (21) of the second hanging piece, and the hook body of the second hanging piece is hung on the hook seat of the second hanging piece, and the front end of the hook body of the second hanging piece is hooked on the second hanging piece. On the hanging edge (21) of the second pendant, the pressing block (6) has a first stage (13), a second stage (15), and is connected between the first stage and the second stage. The ladder-like structure of the first rising section (14), the second rising section (16) set on the second platform stage, the pressing block is set on the back of the hanging piece main body (18) of the first hanging piece (4). Bolts are provided on the first rising section, and the bolts are connected to the main body of the first hanging piece to fix the pressure block with the first hanging piece, and the second rising section, the second step section and the mounting surface of the first hanging piece are jointly formed The clamping groove (22) for clamping the edge of the photovoltaic module, a cover plate (7) is provided between the upper and lower adjacent photovoltaic modules (8), the cover plate is provided with a cover edge (23) on both sides, and the bottom of the cover plate is There are two rows of buckles (24) in the middle, and the buckles extend into the space formed by the second stage (15) of the pressing block (6) and the first rising edge section (14). The button body (25) of the stage stage is provided with a button seat (17) matched with the button body on the surface of the second stage stage, and the cover plate is covered on the pressing block and fastened with the pressing block. 2. A dry-hanging photovoltaic curtain wall according to claim 1, characterized in that the hook body (19) of the first pendant (4) is provided with an adjusting bolt (11), and the adjusting bolt passes through the second The hook body of a pendant is pushed against the upper surface of the hook seat (20) of the second pendant (5). 3. A dry-hanging photovoltaic curtain wall according to claim 2, characterized in that fixing blocks (10) are respectively arranged on both sides of the hook body of the first pendant (4), and the fixing blocks are fixed by bolts On the upper surface of the hook seat (20) of the second pendant (5). 4. A dry-hanging photovoltaic curtain wall according to claim 1, characterized in that there are anti-slip stripes (26) on the side of the second stage (15) in contact with the photovoltaic modules. 5. A dry-hanging photovoltaic curtain wall according to claim 1, 2 or 4, characterized in that a gasket (12) is arranged between the second pendant (5) and the beam (2). 6. A dry-hanging photovoltaic curtain wall according to claim 1, 2 or 4, characterized in that the column (1) is a rectangular steel, and the beam (2) is an angle steel with an L-shaped cross section, on the side of the column A crossbeam connecting piece (3) is welded, and the two ends of the crossbeam are installed on the crossbeam connecting piece and fixed by bolts. 7. A dry-hanging photovoltaic curtain wall according to claim 1, 2 or 4, characterized in that the photovoltaic module (8) is an ordinary photovoltaic module.

Images