WO2013127156A1

WO2013127156A1 - Photovoltaic cell component module

Info

Publication number: WO2013127156A1
Application number: PCT/CN2012/079541
Authority: WO
Inventors: 余晓东
Original assignee: 安徽长远绿色能源有限公司
Priority date: 2012-03-01
Filing date: 2012-08-02
Publication date: 2013-09-06
Also published as: CN102587599B; CN102587599A

Abstract

A photovoltaic cell component module comprising a photovoltaic component consisting of a photovoltaic plate (5), connectors, and a junction box (27), adhered to form the lower layer of the photovoltaic plate (5) being, in order, an upper thermal bonding film (25), a cell core layer (26), a lower thermal bonding film (25), and a back plate (20), all together forming the main body structure of the component module; disposed along the circumference of the main body structure of the component module is an aluminum alloy frame (7); the connectors are a positive connector (6) and a negative connector (29), each respectively disposed on either side of the module component; the junction box (27) is disposed inside of the cell core layer (26). The photovoltaic cell component module better solves the problem of peeling and detaching of photovoltaic components and material, and diode heat dissipation inside of a junction box. The module has a standardized design, is highly integral, easy to install, and relatively low in manufacturing cost.

Description

Photovoltaic honeycomb module

The present application claims priority to Chinese Patent Application No. 201210051491.3, entitled "A Photovoltaic Cellular Module Module", filed on March 1, 2012, the entire contents of which is incorporated herein by reference.

Technical field

The invention relates to a novel photovoltaic building material, in particular to a photovoltaic honeycomb component module, which can be used for both solar power generation and building materials of a building top or wall. Background technique

Due to the energy crisis and the need for sustainable development, photovoltaic power generation, especially photovoltaic building integration, is one of the important technical means. The optimized combination of photovoltaics and buildings has a broad market, and photovoltaic cellular components will be an important choice. In the prior art solar photovoltaic cells, the photovoltaic panels are laid on the top layer of the building by using a fixed frame, and the photovoltaic panels are connected by cables. The installation method is high in cost and complicated in installation. The honeycomb panels in the prior art are mainly used in the construction field and have a single function.

Chinese patent CN201605712 U discloses a solar honeycomb panel, comprising: an upper aluminum alloy panel, a first adhesive layer, an aluminum honeycomb core, a second adhesive layer, a lower aluminum alloy panel; and a solar panel is also disposed on the upper aluminum alloy panel a third adhesive layer is disposed between the solar panel and the upper aluminum alloy panel; a socket port is disposed at one end of the solar panel, and a plug port, a socket port, and a plug port corresponding to the socket port are disposed at the other end It is installed between the upper aluminum alloy panel and the lower aluminum alloy panel, and is respectively connected with a wire and a solar panel. Multiple solar panels are assembled together, interconnected by a socket port and a plug port for installation on a roof, balcony or wall. The technical solution of this patent is only a combination of the finished photovoltaic module and the finished aluminum honeycomb panel, which has the following disadvantages: Firstly, since the aluminum honeycomb panel may have a problem of material peeling off in application, bonding on the surface thereof A heavy PV module, PV module and material peeling off problem will be more serious, its safety can not be guaranteed in engineering applications, the current building surface is no longer allowed to use bonded building materials; Second; PV module wiring The box and its bypass protection diode are essential components, usually bonded to the back of the PV module, and according to the structure of the above patent, only the junction box and the bypass diode are placed outside the solar honeycomb panel. Processing, this is the lack of integrity of the solar honeycomb panel; if it is to be placed in the solar honeycomb panel, there is a heat dissipation problem of the diode in the junction box; Third: the patent "provides solar panels on the upper aluminum alloy panel, the solar energy There is a third layer of adhesive between the plate and the upper aluminum alloy panel. The upper aluminum alloy panel is the most expensive material in the aluminum honeycomb panel. This combination not only causes the problem of material peeling off, but also directly leads to an increase in cost. Summary of the invention

In view of the above problems in the prior art, an object of the present invention is to provide a photovoltaic honeycomb module that has the technical advantages of a photovoltaic cell, and also has all the performance characteristics of the aluminum honeycomb panel, and better solves the photovoltaic component and The problem of the material peeling off and the diode heat dissipation in the junction box, the standard modular structure design, the overall integrity, easy to install, the cost is relatively low. The technical solution adopted by the present invention for achieving the object: A photovoltaic honeycomb module comprising a photovoltaic module composed of a photovoltaic panel, a connector and a junction box, wherein the lower layer of the photovoltaic panel is an upper hot melt adhesive film sequentially bonded The honeycomb core layer, the lower hot melt adhesive film and the back plate constitute a main structure of the component module; the main structure of the component module is provided with an aluminum alloy frame; the connector is a positive electrode connector and a negative electrode connector, respectively Both sides of the module; the junction box is built into the honeycomb core layer.

The honeycomb core layer is an interconnected aluminum hexagonal honeycomb, which is integrally distributed on the back plate, and the honeycomb inner cavity is evacuated; the back plate is an aluminum back plate or a stainless steel back plate.

The junction box includes a junction box inner casing and a junction box outer casing, a heat dissipation window is disposed at a middle portion of the junction box outer casing, or a heat dissipation window is disposed at a side of the inner casing of the junction box; and a bypass diode heat dissipation surface in the junction box The heat dissipation window protrudes out of the junction box, is placed on the back panel or placed on the aluminum alloy frame.

The upper part of the aluminum alloy frame is provided with upper and lower groove plates along the long direction thereof, and the two form a photovoltaic plate installation groove. The photovoltaic plate installation groove is connected to the reinforcement plate, and the area of the lower groove plate and the reinforcement plate is a honeycomb. a core board assembly area; the lower end of the reinforcing board is provided with an inner layer sealant filling board along a longitudinal direction thereof.

The end portion of the reinforcing plate and the photovoltaic plate mounting groove are oppositely disposed with an aluminum plate groove and an outer sealant groove along a longitudinal direction thereof. The reinforcing plate is provided with a frame screw mounting hole; the surface of the inner layer sealant filling plate is a brushed structure. It can be known from the above technical solutions that the present invention fully utilizes the technical advantages of the photovoltaic module and the aluminum honeycomb panel, and replaces the aluminum panel with the highest cost of the aluminum honeycomb panel with the photovoltaic component, thereby realizing the lower cost photovoltaic power generation and building insulation and decoration functions; The junction box of the photovoltaic component is built in the aluminum honeycomb core layer, and the bypass diode is mounted on the back aluminum plate or the aluminum alloy frame to solve the heat dissipation problem; the technical solution adopts the aluminum alloy frame connection, so that the photovoltaic honeycomb component is designed as a standard The module is possible, no cable connection between the modules, and the module has a good waterproof sealing design; its special aluminum alloy frame fixes the photovoltaic module and the aluminum honeycomb core and the back aluminum plate in the frame, and is subjected to high temperature and high pressure and vacuum layer. Pressed, the material has no peeling off problem, and the frame is fixed on the mounting material of the building surface with screws, there is no safety hazard. The combination of the above technical solutions makes the invention a new type of composite building material, which can directly replace the thermal insulation and decorative materials of the building, and truly realizes the design of the building integration. DRAWINGS

The invention will be further described in detail below with reference to the drawings and specific embodiments.

Figure 1 is a schematic cross-sectional view of the present invention;

Figure 2 is a schematic view showing the first embodiment of the inner casing of the junction box of the present invention;

Figure 3 is a schematic view showing the first embodiment of the junction box housing of the present invention;

Figure 4 is a schematic view showing the first embodiment of the junction box assembly of the present invention;

Figure 5 is a schematic view showing the second embodiment of the inner casing of the junction box of the present invention;

Figure 6 is a schematic view showing the second embodiment of the junction box housing of the present invention;

Figure 7 is a schematic view showing the second embodiment of the junction box assembly of the present invention;

Figure 8 is a partial cross-sectional structural view showing the installation of the adjacent photovoltaic honeycomb module module of the present invention; Figure 9 is a schematic front view showing the installation of the adjacent photovoltaic honeycomb module module of the present invention; Figure 10 is a schematic view of the side view structure of the present invention;

Figure 11 is a side view showing a partial cross-sectional view of the present invention; Figure 12 is a side view of a partial cross-sectional view of the present invention;

Figure 13 is a side view showing a partial cross-sectional view of the present invention;

Figure 14 is a schematic front view showing the structure of the present invention;

Figure 15 is a schematic view showing a cross section of an aluminum alloy frame of the present invention;

The reference numerals in the drawings are: 1. PV module mounting groove, 2. Outer sealant area,

3, aluminum plate installation slot, 4, inner layer sealant filling area, 5, photovoltaic panel, 6, positive connector, 7, aluminum alloy frame, 8, aluminum plate, 9, outer sealant, 10, inner sealant, 11, keel, 12, mounting hole, 13, junction box housing, 14, buckle, 15, heat dissipation window, 16, junction box inner casing, 17, frame screw mounting hole, 18, metal connecting piece, 19, diode, 20 , back aluminum plate, 21, photovoltaic cell tape threading hole, 22, photovoltaic module tape connection end, 23, mounting hole, 24, photovoltaic module cable connection, 25, hot melt film, 26, aluminum honeycomb core, 27, Junction box, 28, building surface, 29, negative connector, 30, stiffener, 31, honeycomb core assembly area, 32, inner sealant filler. detailed description

As shown in FIG. 1 , FIG. 9 , FIG. 10 , FIG. 11 , FIG. 12 , FIG. 13 and FIG. 14 , the photovoltaic honeycomb module of the present embodiment includes: a photovoltaic panel 5 on the surface, and an aluminum honeycomb core 26 in descending order. The hot melt adhesive film 25 and the back aluminum plate 20 are bonded to each other by a hot melt adhesive film 25, and are laminated by high temperature and high pressure and vacuum, and are mounted in a dedicated aluminum alloy frame 7 to constitute a standard module. There are a positive connector 6 and a negative connector 29 on both sides of the module, and the positive connector 6 and the negative connector 29 between the adjacent modules can be directly locked and locked. The interconnected aluminum honeycomb core is like a myriad of I-beams. The core layer is fixed in the entire surface of the board, which makes the plate have a very high strength structure and flatness and good thermal insulation properties. The special aluminum alloy frame solves the problem of material peeling off.

As shown in FIG. 2, FIG. 3 and FIG. 4, the junction box inner casing 16 and the junction box outer casing 13 are connected by a buckle 14 to form a junction box 27, bonded to the back surface of the photovoltaic panel 5, and the heat dissipation surface of the diode 19 The heat dissipation window 15 is protruded and fixed to the rear aluminum plate 20 for heat dissipation. There are 4 metal connecting pieces and 3 diodes 19 in the inner casing of the junction box (the number of metal connecting pieces and diodes is determined according to actual needs), The pole tube 19 is connected between two adjacent metal connecting pieces, and is connected to the photovoltaic cell guide tape penetrating from the photovoltaic cell tape passing through hole 21 through the photovoltaic component tape connecting end 22 on the metal connecting piece 18; A heat dissipation window 15 is disposed at a central portion of the junction box housing 13. The size of the heat dissipation window is adapted to the heat dissipation surface of the diode. The diode 19 is disposed at a central portion of the inner casing 16 of the junction box, and its heat radiating surface protrudes from the junction box casing through the heat dissipation window 15 of the junction box casing.

As shown in Fig. 5, Fig. 6, and Fig. 7, the junction box inner casing 16 and the junction box casing 13 are assembled, and the junction box 27 is bonded to the inner side of the photovoltaic panel 5 and the inner side of the aluminum alloy frame 7, and the heat dissipation surface of the diode 19 The heat dissipation window 15 is protruded and fixed to the aluminum alloy frame 7 for heat dissipation.

As shown in FIG. 15, the upper portion of the aluminum alloy frame 7 is provided with a slot plate and a lower slot plate along its long direction, which constitute a photovoltaic module mounting groove 1, and the photovoltaic module mounting groove 1 is connected to the reinforcing plate 30, and the lower groove plate is strengthened. The area formed by the board is the honeycomb core board assembly area 31; the lower end of the reinforcing board is provided with an inner layer sealant filling plate 32, and the upper layer constitutes an inner layer sealant filling area 4. The aluminum plate mounting groove 3 and the outer sealing groove 2 are disposed at opposite ends of the reinforcing plate end and the photovoltaic panel mounting groove. The outer sealant groove 2 has a textured configuration. The reinforcing rib is provided with a frame screw mounting hole 17, and the surface of the inner layer sealant filling plate 32 is a napped structure.

As shown in Figure 8: The positive connector 6 and the negative connector 29 between two adjacent modules can be directly locked and locked. Processing of module connection gap: inner sealant 10, intermediate insert aluminum plate 8 isolation protection, outer sealant 9. The surface of the invention is a photovoltaic plate, the middle core layer is an aluminum hexagonal honeycomb, the back side is an alloy aluminum thin plate or a stainless steel plate, and a layer of special hot melt adhesive film is disposed between the middle core layer and the surface and the back surface, and the vacuum and high temperature are applied. High-pressure composite bond forming and assembled in a special aluminum alloy frame. The interconnected aluminum honeycomb core is like a myriad of I-beams. The core layer is distributed throughout the entire surface of the board, giving the panel a very high strength structure, flatness and good thermal insulation. The special aluminum alloy frame solves the problem of peeling off the material.

The invention can realize the standard module structure design, and the junction box is built in the honeycomb core layer without any protruding parts on the outside. The electrical installation uses a standard modular combination design with positive and negative connectors for the dedicated PV modules on both sides of the assembly. System installation only needs to set up photovoltaic cells The modules are aligned and fixed, and no wires need to be connected in the field.

The invention can directly replace the heat preservation and decoration materials of the roof and the outer wall of the building, and the installation method is simple and reliable, and has a good waterproof sealing function, and realizes the photovoltaic power generation function as the surface material of the building. The invention solves the technical defects of high cost and complicated installation of photovoltaic modules and aluminum honeycomb panels. Since the aluminum panel with the highest cost of aluminum honeycomb panels is replaced by photovoltaic modules, the cost of the aluminum honeycomb panels is reduced. Based on the special junction box and aluminum alloy frame mounting and fixing technology designed for photovoltaic honeycomb components, the heat dissipation problem of the bypass diode built in the junction box and the problem that the core layer of the aluminum honeycomb panel is easily peeled off and waterproof sealed are solved. The new photovoltaic honeycomb component structure based on aluminum honeycomb panel has the advantages of thermal insulation, energy saving, light fire prevention, noise reduction, high strength, corrosion resistance, no light pollution, good flatness, green power generation and effective system cost optimization. The standard modular combination technology greatly reduces the material and labor costs of the system installation, and truly realizes the integration of photovoltaic buildings.

Claims

Rights request

A photovoltaic honeycomb module comprising a photovoltaic module comprising a photovoltaic panel, a connector and a junction box, wherein: the lower layer of the photovoltaic panel is an upper hot melt adhesive film, a honeycomb core layer, and a lower layer. The hot melt film and the back plate constitute a main structure of the component module; the main structure of the component module is provided with an aluminum alloy frame; the connector is a positive connector and a negative connector, respectively disposed on both sides of the module The junction box is built into the honeycomb core layer.

2. The photovoltaic honeycomb module according to claim 1, wherein: the honeycomb core layer is an interconnected aluminum hexagonal honeycomb, which is integrally distributed on the back plate, and the honeycomb cavity is evacuated; The back plate is an aluminum back plate or a stainless steel back plate.

3. The photovoltaic honeycomb module according to claim 1, wherein: the junction box comprises a junction box inner casing and a junction box outer casing, wherein a heat dissipation window is disposed at a middle portion of the junction box outer casing, or in the junction box A heat dissipation window is disposed on the side of the shell; the heat dissipation surface of the bypass diode in the junction box protrudes from the junction box through the heat dissipation window, and is placed on the back panel or placed on the aluminum alloy frame.

The photovoltaic honeycomb module module according to claim 1, wherein: the upper portion of the aluminum alloy frame is provided with upper and lower groove plates along the longitudinal direction thereof, and the two form a photovoltaic plate installation groove, and the photovoltaic plate installation groove is connected. In the reinforcing plate, the area formed by the lower groove plate and the reinforcing plate is a honeycomb core board assembly area; the lower end of the reinforcing plate is provided with an inner layer sealant filling plate along the long direction thereof.

The photovoltaic honeycomb module according to claim 4, wherein: the upper end portion of the reinforcing plate and the photovoltaic plate mounting groove are oppositely disposed with an aluminum plate groove and an outer sealing groove along a longitudinal direction thereof.

The photovoltaic honeycomb module according to claim 4, wherein: the reinforcing plate is provided with a frame screw mounting hole; and the surface of the inner layer sealant filling plate is a brushed structure.

The photovoltaic honeycomb module according to claim 5, wherein: the reinforcing plate is provided with a frame screw mounting hole; and the surface of the outer sealing groove is a brushed structure.