CN203205435U - Photovoltaic roof solar components - Google Patents

Abstract

The utility model discloses photovoltaic roof solar components. Each photovoltaic roof solar component comprises a crystalline silicon photovoltaic layer casting die, a protective frame and an installation section bar, wherein the protective frame is disposed around the crystalline silicon photovoltaic layer casting die, two long sides of a series battery pack of the crystalline silicon photovoltaic layer casting die are respectively unsymmetrical with two corresponding long sides of the protective frame; long sides of the installation section bar are fixed on one long side of the protective frame, the side of fixation between the long sides of the installation section bar and the protective frame is the wider side between the series batter pack and the protective frame, and two short sides of the installation section bar are respectively fixed on two short sides of the protective frame; and one of the two short sides of the installation section bar is provided with a U-shaped groove, the other of the two short sides of the installation section bar is provided with a reverse L-shaped clamping port, and adjacent photovoltaic roof solar components are connected by fitting the U-shaped groove into the clamping port. The photovoltaic roof solar components has a light structure, is safe and reliable, is nice in appearance, low in cost and long in service lifetime, is quite convenient to install, is relatively low in installation cost, and enables a long system lifetime.

Description

A photovoltaic roof solar module

technical field

The utility model relates to a solar module, in particular to a photovoltaic roof solar module.

Background technique

With the development of the economy, people's demand for energy is increasing, but the conventional energy is increasingly exhausted, so people turn to sustainable green energy. As a typical representative of green energy, solar energy has developed rapidly in recent years, and has developed on a large scale in various regions of the world. Nowadays, photovoltaic solar power generation has been widely used in ground power stations, rooftop power stations, BIPV projects, BAPV projects, etc. As far as the photovoltaic roof is concerned, with the launch of the "photovoltaic roof" plan in some developed countries in Europe and the United States in recent years, its market has been very well developed. There are two main types of photovoltaic roofs today, one is a matrix power station, and the other is an attached power station.

The roof matrix power station has the advantage of high energy utilization rate, but the disadvantage is that the structure is complex, there are many cables, and most of the electrical components are exposed outdoors, the cost is high, the requirements for electrical components are high, the life is short, and the roof is required to be flat type, and has a certain load-bearing capacity, not suitable for ordinary family roofs.

The roof-attached power station has the advantages of beautiful appearance, simple and practical structure, and most of the electrical components are indoors, with relatively low requirements and long service life. The roof is generally sloped, which is suitable for family roofs. The disadvantage is that the roof needs to be remodeled during installation , and because the built-in bracket is generally on the supporting beam inside the house, it will cause a certain degree of damage to the house, and there is a hidden danger of water leakage, and the heat emitted by the components during operation cannot be dissipated, so a special heat insulation layer or heat dissipation layer needs to be modified , but this will virtually reduce the power output of the components and the usable area of the house, and the overall cost is even higher than that of the matrix power station. At the same time, when the module is installed, due to the size of the module and the installation design, it is often necessary to step on another module for installation, causing mechanical damage or cracks to the cells in the module, reducing the service life and power of the module.

Utility model content

The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a photovoltaic roof solar module, which has light structure, safety and reliability, beautiful appearance, low cost, long life, and is also very convenient to install, and the installation cost is relatively low. Low, long system life.

The technical scheme that the utility model solves above technical problem is:

A photovoltaic roof solar module, including a crystalline silicon photovoltaic laminate, a protective frame and an installation profile, the protective frame is arranged around the crystalline silicon photovoltaic laminate, and the crystalline silicon photovoltaic laminate includes a battery string composed of several battery strings connected , each battery string is composed of a number of battery slices; the distance between the two long sides of the battery string and the corresponding long sides of the protective frame is asymmetrical, forming a large distance between one side of the battery string and the protective frame, and the other side and the protective frame. The structure with small frame spacing; the installation profile has one long side and two short sides, the long side of the installation profile is fixed on one long side of the protective frame, and the fixed side of the long side of the installation profile and the protective frame is the battery string group and the protective frame On the side with a large distance, the two short sides of the installation profile are respectively fixed on the two short sides of the protective frame; among the two short sides of the installation profile, one is provided with a concave groove, and the other is provided with the concave groove. The groove corresponds to the inverted L-shaped bayonet, and the adjacent photovoltaic roof solar modules are connected through the cooperation of the concave groove and the bayonet.

In this way, the distances between the two long sides of the crystalline silicon battery string of the utility model and the corresponding long sides of the glass plate are asymmetrical, forming a structure with a large distance on one side and a small distance on the other side; The distance from the side to the glass edge is inconsistent (conventional ones are left-right symmetrical), and the side with the larger distance is the part where the components overlap up and down during installation, which plays the role of drainage, and also plays the role of ventilation and heat dissipation ; The special design of the concave groove and bayonet on the short frame of the component can make the components in a row tightly fixed together, and at the same time, it is easy to replace during maintenance and replacement.

The technical scheme that the utility model is further limited is:

In the aforementioned photovoltaic roof solar module, the long side of the installation profile and the protective frame are fixed by double-sided adhesive, and the short side of the installation profile and the protective frame are fixed by screws.

The aforementioned photovoltaic roof solar module, wherein the long side of the installation profile is provided with installation holes for fixing with the installation bracket of the photovoltaic roof solar module.

The aforementioned photovoltaic rooftop solar module, wherein the crystalline silicon photovoltaic laminate includes a glass plate, a sealant layer, a battery string, a sealant layer and a back sheet in order from top to bottom.

The aforementioned photovoltaic roof solar module, wherein the sealant layer is an EVA layer, a silica gel layer, a PVB layer or a TPU layer; the backboard is a high temperature resistant epoxy glass fiber board.

The aforementioned photovoltaic roof solar module, wherein the installation profile is galvanized steel plate.

The beneficial effects of the utility model are: the utility model is light and handy in structure, and the components can be fixed without destroying the structure of the house when the roof is installed, and the heat dissipation design of the installation is reserved, so there is no need to set up a heat insulation and heat dissipation layer, and because the roof does not damage the house body , so there is no hidden danger of water leakage, which greatly reduces the installation cost. At the same time, because the components are light and flexible, the single-chip area is small, and the weight is light, the components can be picked up with one hand for operation, and there is no need to step on the components for system installation and fixed operations. Man-made cracks at times, and reserved maintenance design, component maintenance and replacement is simpler and more convenient. The component design of the utility model is not only safe and reliable, beautiful in appearance, low in cost and long in service life, but also very convenient to install, relatively low in installation cost and long in service life.

Description of drawings

Fig. 1 is a schematic diagram of the plane structure of the utility model.

Fig. 2 is a connection diagram of the left and right components of the utility model.

Fig. 3 is an enlarged view of the connecting parts of the left and right components of the utility model.

Fig. 4 is a connection schematic diagram of the upper and lower components of the utility model.

Detailed ways

Example 1

This embodiment is a photovoltaic roof solar module, the structure of which is shown in Figure 1, including a crystalline silicon photovoltaic laminate 1, a protective frame 3 and an installation profile 4, a junction box 2 is provided on the back of the crystalline silicon photovoltaic laminate 1, and the protection The frame 3 is arranged around the crystalline silicon photovoltaic laminate 1. The crystalline silicon photovoltaic layer 1 laminate includes a battery string group composed of several battery strings connected. Each battery string is composed of several battery sheets. The crystalline silicon photovoltaic laminate It includes glass plate, sealant layer, battery string, sealant layer and back sheet in turn. The sealant can be made of EVA, silica gel, PVB or TPU, and the back sheet can be made of high temperature resistant epoxy glass fiber board. The distance between the two long sides of the battery string group and the corresponding long sides of the protective frame 3 is asymmetrical, forming a structure in which the distance between the battery string group and the protective frame is large on one side, and the distance between the other side and the protective frame is small; the installation profile 4 has One long side and two short sides, the long side of the installation profile 4 is fixed on one long side of the protective frame 3, and the fixed side between the long side of the installation profile 4 and the protective frame 3 is the one where the distance between the battery string group and the protective frame 3 is large On one side, the two short sides of the installation profile 4 are respectively fixed on the two short sides of the protective frame 3, the long side of the installation profile 4 and the protective frame 3 are fixed by double-sided adhesive, and the short sides of the installation profile 4 are connected to the protective frame 3 Fastened by screws. As shown in Figure 3, one of the two short sides of the installation profile is provided with a concave groove 5, and the other is provided with an inverted L-shaped bayonet 6 corresponding to the concave groove 5, and the adjacent photovoltaic roof solar modules pass through the concave groove. The groove is connected with the bayonet. The long side of the installation profile is also provided with a mounting hole for fixing with the installation bracket of the photovoltaic roof solar module. The installation profile is a galvanized steel plate.

The module battery strings in this embodiment are set to 2 strings. This design greatly reduces the area of the module, reduces the weight of the module, and is convenient for installation and transportation; one side of the battery string is reserved for overlapping parts of the modules, so that the two sides of the battery sheet reach the edge of the glass. The distances are inconsistent (conventional ones are left-right symmetrical), and the side with the larger distance reserved is the part where the components overlap up and down during installation, which plays the role of drainage, ventilation and heat dissipation at the same time; through the glass/ The structure of EVA/battery string/EVA/back plate is made into a crystalline silicon photovoltaic laminate; a light protective frame is set around the crystalline silicon photovoltaic laminate, which is different from the general photovoltaic module frame, and there are no installation holes, drainage holes and Conventional hole design such as grounding hole, simple structure, light and practical;

Set the installation profile on one side of the light protective frame, the installation profile is galvanized steel plate, the installation position is the large spacing side of the laminate, the length is consistent with the length of the component, the installation profile and the short side of the light protective frame are fixed together by self-tapping screws, The long side is sealed and reinforced with double-sided adhesive strips. At the same time, installation holes are set on the horizontal side of the installation profile, and the components are fixed with the bracket through the installation holes. The installation profile has two short frames, one is provided with a "concave" groove, and the other is provided with a "Г" type card groove. The cooperation between the groove and the "Г" groove achieves the connection and sealing function, as shown in Figure 2, and this design is also conducive to the drainage of the components.

During installation, set a parallel support layer on the roof surface, and fix the installation profile and the support through the installation holes. When installing the left and right components, the grooves of the short frames of the components need to be connected with each other. When installing the upper and lower components, that is, install the lower component 21 and When the upper assembly 22 is used, a part of the upper assembly 22 needs to be placed on the lower assembly 21, as shown in Figure 4, to achieve ventilation and heat dissipation effects. At the same time, the upper and lower rows of assemblies are installed in a misplaced position according to needs, so as to enhance the drainage effect and reduce water leakage. Hidden danger.

When the assembly of the utility model is installed, it is different from ordinary components that require custom-made brackets, angle steel, corner fittings and other installation materials. Using the new assembly of the utility model requires only one type of profile, and a variety of profiles can be used according to needs. Materials, such as metal, wood or other profiles with a certain supporting effect, the special design of the short frame of the module can make the modules in a row tightly fixed together, and at the same time, it is easy to replace during maintenance and replacement. The asymmetric design of the large spacing of the modules is The upper and lower rows of components can be built together, and at the same time perform multiple functions such as drainage, ventilation, and heat dissipation. The design of this component is not only safe and reliable, but also beautiful in appearance, low in cost, and long in life. Low and long system life, it is a very practical photovoltaic roof module.

In addition to the above embodiments, the utility model can also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the utility model.

Claims (6)

1. A photovoltaic roof solar assembly, comprising a crystalline silicon photovoltaic laminate, a protective frame and an installation profile, the protective frame is arranged around the crystalline silicon photovoltaic laminate, and the crystalline silicon photovoltaic laminate includes a plurality of battery strings Connected battery strings, each battery string is composed of several battery slices; it is characterized in that: the distance between the two long sides of the battery string and the corresponding long sides of the protective frame is asymmetrical, forming a battery string A structure with a large distance between one side and the protective frame, and a small distance between the other side and the protective frame; the installation profile has a long side and two short sides, and the long side of the installation profile is fixed on a long side of the protective frame. On the side, the fixed side between the long side of the installation profile and the protective frame is the side where the distance between the battery string and the protective frame is large, and the two short sides of the installation profile are respectively fixed on the sides of the protective frame. On the two short sides; one of the two short sides of the installation profile is provided with a concave groove, and the other is provided with an inverted L-shaped bayonet corresponding to the concave groove, and the adjacent photovoltaic roof solar modules pass through the concave The matching connection of the groove and the bayonet. 2. The photovoltaic roof solar module according to claim 1, characterized in that: the long side of the installation profile and the protective frame are fixed by double-sided adhesive, and the short side of the installation profile and the protective frame are fixed by screws fixed. 3. The photovoltaic roof solar module according to claim 1 or 2, characterized in that: the long side of the installation profile is provided with a mounting hole for fixing with the photovoltaic roof solar module installation bracket. 4 . The photovoltaic rooftop solar module according to claim 1 , wherein the crystalline silicon photovoltaic laminate comprises a glass plate, a sealant layer, a cell string, a sealant layer and a back sheet in order from top to bottom. 5. The photovoltaic roof solar module according to claim 4, characterized in that: the sealant layer is an EVA layer, a silicone layer, a PVB layer or a TPU layer; the back sheet is a high temperature resistant epoxy glass fiber board. 6. The photovoltaic roof solar module according to claim 1, characterized in that: the installation profile is galvanized steel plate.

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