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Long-service-life polycrystal PVB laminated glass curtain wall assembly high in light transmission

A technology of laminated glass and longevity, applied in the direction of walls, building components, buildings, etc., can solve the problems of easy bubbles, easy aging, poor tensile strength and cross-linking, and achieve the effect of preventing the penetration of impact objects

Inactive Publication Date: 2016-11-09
浙江金诺新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, components made of EVA materials are prone to aging, yellowing, poor tensile strength and cross-linking property, and film removal due to ultraviolet radiation, and air bubbles are prone to appear if the components are not processed properly during the curing process of potting glue.

Method used

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  • Long-service-life polycrystal PVB laminated glass curtain wall assembly high in light transmission
  • Long-service-life polycrystal PVB laminated glass curtain wall assembly high in light transmission
  • Long-service-life polycrystal PVB laminated glass curtain wall assembly high in light transmission

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as Figure 1-2 As shown, the high-life and high-transparency polycrystalline PVB laminated glass curtain wall assembly consists of coated tempered glass 1, outer PVB packaging film 2, crystalline silicon cells 3, inner PVB packaging film 4, and tempered glass from the outer layer to the inner layer. Glass 5 is laminated by ax-type double-pump high-temperature and high-pressure method. The coated tempered glass and tempered glass are both rectangular. The crystalline silicon cells are evenly arranged on the coated tempered glass, Between the tempered glass, each row of crystalline silicon cells is connected in series by wires to form a group of crystalline silicon cells connected in parallel at the lead end.

[0033] In this structure, the advantages of PVB encapsulation film over EVA film include:

[0034] a. The inventory validity period is longer (3 years VS 6 months);

[0035] b. Higher sag resistance and edgeless outflow during lamination;

[0036] c. No con...

Embodiment 2

[0046] PVB laminated glass components meet the three-character test requirements of glass curtain walls and building safety performance requirements, and use higher mechanical properties and different structural methods than ordinary components. The double-glass photovoltaic module used by Caijing PVB laminated glass module is composed of two pieces of tempered glass, and the composite layer is composed of PVB film and solar cells in the middle. The thickness of tempered glass is the result of strict mechanical calculations in accordance with national building codes and curtain wall codes. The PVB film of Caijing PVB laminated glass module has good cohesiveness, toughness and elasticity, and has the function of absorbing impact. Even if the glass is broken, the fragments will firmly adhere to the PVB film, and will not fall off and scatter to hurt people.

[0047]Using tempered glass and PVB packaging materials, the packaging loss is 0.5 points lower than that of conventional ...

Embodiment 3

[0057] Similar to Example 2, through BPA power simulation, we also found that in the array of crystalline silicon cells, as the number of crystalline silicon cells in each row increases, its power will gradually increase, but when the crystalline silicon cells When the number of slices is further increased, the range of power increase will be smaller due to the influence of lines and junction boxes, such as Figure 4 As shown, therefore, when the number of crystalline silicon cells increases too much, the product cost will be increased but the efficiency obtained is not high, that is, the cost performance is reduced.

[0058] After simulating the simulated data, it is found that the relationship between the power W and the number B of crystalline silicon cells is:

[0059] W=201.15*B 0.125 , B∈N. The abscissa is B, and the ordinate is W.

[0060] It is further determined that when B=84, W=350W is the most cost-effective power value of the module, so the crystalline silicon ...

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Abstract

The invention belongs to the technical field of building energy conservation, and particularly relates to a long-service-life polycrystal PVB laminated glass curtain wall assembly high in light transmission. The laminated glass curtain wall assembly is formed by laminating coated tempered glass (1), an outer layer PVB packaging film (2), silicon cell pieces (3), an inner layer PVB packaging film (4) and tempered glass (5) in a kettle type double pump high temperature and pressure mode. The coated tempered glass and the tempered glass are rectangular, the silicon cell pieces are packaged by the outer layer PVB packaging film and the inner layer PVB packaging film and uniformly distributed between the coated tempered glass and the tempered glass, and silicon cell piece sets formed by connecting all the silicon cell pieces together in series through a wire are connected in parallel and collected at the lead end. When the laminated glass curtain wall assembly is impacted from outside, as the middle elastic layer has the function of absorbing impact, an impact object can be prevented from penetrating the laminated glass curtain wall assembly. The PVB material is used for replacing the EVA material, packaging consumption in the packaging process of a polycrystalline silicon assembly is smaller, and the use ratio of crystalline silicon is increased greatly.

Description

technical field [0001] The invention belongs to the technical field of building energy saving, and in particular relates to a polycrystalline PVB laminated glass curtain wall assembly with long service life and high light transmission. Background technique [0002] With the increase of population and the development of economy, the traditional petrochemical energy is gradually reduced, causing environmental pollution and ecological deterioration, so people began to look for new energy. Compared with wind power, hydropower, and nuclear power, solar energy has the characteristics of continuous flow, wide range, and cleanliness, making it the best choice for green building energy. Among them, solar photovoltaic glass curtain wall technology integrates solar photovoltaic products on buildings to form photovoltaic building integration, which is widely used in green buildings. Photovoltaic curtain walls are mainly used in the field of construction, which can realize the reasonabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B2/88
CPCE04B2/88
Inventor 金建江
Owner 浙江金诺新能源科技有限公司
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