CN201536107U - Domestic low concentration photovoltaic device - Google Patents

Abstract

A domestic low concentration photovoltaic device comprises a tubular column support and a solar battery component, wherein an angle adjusting base is mounted on the column support; a solar battery component mounting frame is connected to the upper part of the angle adjusting base; the solar battery component is mounted on the solar battery component mounting frame; at least two pieces of reflective coated warp knitting fabric adopting silver coated warp knitting fabric with good reflection effect are arranged on four sides of the solar battery component; and the four pieces of the silver coated warp knitting fabric are mounted on the solar battery component mounting frame respectively through bolts, and every two of which are connected through a connecting rod, so that every two pieces of the silver coated warp knitting fabric expand outwards by a certain angle to play the effect of optical concentration through sunlight reflection. The low concentration photovoltaic device has the advantages of simple structure, and easy manufacture and installation, efficiently utilizes sunlight through concentration to improve the generating efficiency, and reduces cost by virtue of the reflective coated warp knitting fabric.

Description

A household low-magnification concentrating photovoltaic device

technical field

The utility model relates to a household low-magnification concentrating photovoltaic device, which belongs to the technical field of solar energy applications.

Background technique

Since the 20th century, with the development of social economy and the improvement of people's living standards, the demand for energy has been increasing, and all countries are seeking solutions to the energy crisis. Solar energy is increasingly widely used in various fields of daily life, it is a clean, sustainable new energy. Solar photovoltaic power generation is mainly based on the principle of photovoltaic effect, using solar cells to directly convert sunlight energy into electrical energy. On the other hand, the high cost of solar power generation has always been an obstacle to large-scale development and utilization. The key to cost-effective use of solar energy is the quality of photovoltaic systems.

Most of the current power generation modes of solar photovoltaic cells adopt the large-area flat-plate photoelectric conversion mode, which has two major disadvantages: one is low photoelectric conversion rate and poor power generation capacity; the other is high cost price, which is comparable to conventional electric energy than the lack of competitiveness. These limit the large-scale development of solar photovoltaic power generation systems. Therefore, all countries in the world will improve the efficiency of solar power generation and reduce the cost of solar power generation as the frontier work of scientific research and industrialization.

Contents of the invention

The purpose of this utility model is to overcome the problems of low efficiency and high cost of traditional household solar power generation, and provide a method to improve the utilization rate of solar modules to sunlight by utilizing the reflection of silver coated warp knitted fabric with reflective effect to sunlight, so that the battery The modules generate power under high concentrating conditions, and are low-power concentrating photovoltaic devices for households that meet the power generation needs of small-scale photovoltaic systems for households with lower investment costs.

The purpose of this utility model is accomplished through the following technical scheme, which includes a tubular column support and a solar cell assembly. An angle adjustment base is installed on the column support, and a solar cell assembly is installed on the upper part of the angle adjustment base. Bracket: The solar cell assembly is installed on the mounting frame of the solar cell assembly, and at least two reflective coated warp-knitted fabrics are arranged on the four sides of the solar cell assembly.

The reflective coated warp-knitted fabric is a silver coated warp-knitted fabric with good reflective effect. There are four pieces of the silver-colored coated warp-knitted fabric, which are respectively installed on the solar cell module mounting brackets with bolts. The silver coated warp-knitted fabrics are The woven fabrics are connected in pairs by connecting rods, and the two silver-coated warp-knitted fabrics are spread out at a certain angle to achieve the effect of reflecting sunlight and concentrating light.

The solar cell assembly is fixed on the mounting bracket and connected to the control energy storage system box; the solar cell assembly is installed on the mounting bracket by buckles or bolts, and the solar cell assembly adopts a frameless structure or a plastic assembly.

The low-power concentrating photovoltaic system described in the utility model has the effect of low-power concentrating through the reflection of sunlight by the new reflective coating warp-knitted fabric, which increases the utilization rate of sunlight and makes the solar cell module system several times higher. efficient power generation.

The beneficial effects of the utility model are: the utility model is simple in structure, easy to manufacture and install; the sunlight is efficiently utilized by concentrating light, and the power generation efficiency is improved; the reflective coating warp-knitted fabric is adopted, the cost is low, and it is convenient for households to use low-magnification concentrating light Promotion of photovoltaic systems.

Description of drawings

Fig. 1 is a schematic view of the side structure of the utility model.

Fig. 2 is a schematic diagram of the front structure of the utility model.

Fig. 3 is a front plan view of the utility model.

Detailed ways

The numbers in the drawings are as follows: 1-support rod, 2-coated warp-knitted fabric, 3-connecting rod, 4-solar battery module, 5-solar battery module mounting bracket, 6-junction box, 7-angle adjustment base, 8- -Column support, 9-control energy storage system box.

The utility model will be further described below in conjunction with the accompanying drawings: shown in accompanying drawing 1,2,3, the utility model mainly comprises a tubular column support 8, a solar cell assembly 4, and an angle is installed on the described column support 8 Adjust the base 7, the upper part of the angle adjustment base 7 is connected with a solar cell assembly mounting bracket 5; the solar cell assembly 4 is installed on the solar cell assembly mounting bracket 5, and at least two reflective coatings are arranged on the four sides of the solar cell assembly 4 Warp knitted fabric2.

The reflective coated warp-knitted fabric 2 is a silver coated warp-knitted fabric with good reflective effect. There are four pieces of the silver-colored coated warp-knitted fabric which are installed on the solar cell module mounting bracket 5 with bolts respectively. The coated warp-knitted fabrics are connected in pairs by connecting rods 3, and the two silver-colored coated warp-knitted fabrics are spread out at a certain angle to achieve the effect of reflecting sunlight and concentrating light.

The solar cell assembly 4 is fixed on the mounting bracket 5 and connected to the control energy storage system box 9; the solar cell assembly 4 is mounted on the solar cell assembly mounting bracket 5 through buckles or bolts, and the solar cell assembly 4 adopts a frameless structural or plastic components.

The utility model can be directly placed on the ground through the bracket 8, which is convenient for the installation and movement of the concentrated photovoltaic device (or fix the bracket 8 on the open space through expansion bolts), and its upper part is fixed and installed by flanges and bolts. Angle adjustment base 7. The solar cell module mounting bracket 5 and the angle adjustment base 7 are connected and installed through angle adjustment bolts to adjust the angle of the concentrated photovoltaic system. The solar cell module mounting bracket 5 is installed with the solar cell module 4 by buckles (or bolts) (the solar cell module 4 adopts a frameless structure or a plastic component to reduce weight; the component can be from 60-200W). Four pieces of silver coated warp-knitted fabrics 2 with reflective effect are arranged on the four sides of the solar cell module 5. The coated warp-knitted fabrics are supported by support rods 1 and connected in pairs by connecting rods 3, so that the two coated warp-knitted fabrics form a Spread out at a certain angle to achieve the effect of reflecting sunlight and concentrating light.

The silver coated warp knitted fabric 2 with reflective effect described in the utility model is installed on the solar cell module mounting bracket 5 with bolts, and the solar cell module 4 is also installed on the bracket 5, and the safety is greatly improved. The electricity that solar cell assembly 5 sends, by controlling the controller in the energy storage system box 9 to charge its energy storage battery, in order to use at night and cloudy and rainy days.

The reflective coating warp-knitted cloth 2 described in the utility model is mainly composed of four pieces. First, the two ends are covered with a stainless steel support rod 1, and then fixed on the solar cell module mounting bracket 5 by bolts, which are convenient for installation and normal inspection and maintenance. In order to be more stable, the upper end of the support rod 1 is connected and fixed with the connecting rod 3 by stainless steel bolts. The solar battery assembly 4 is fixed on the mounting bracket 5 and connected with the control energy storage system box 9 through the junction box 6 . The reflective coated warp-knitted fabric installed on the four sides of the solar module reflects the sunlight so as to achieve the purpose of concentrating the sunlight and greatly improves the utilization rate of the sunlight by the module. When the sun shines, the reflective coated warp-knitted fabric arranged around it radiates sunlight to the solar cell modules, which increases the utilization of sunlight by the solar modules and makes the module system generate electricity with several times higher efficiency. Due to the photovoltaic effect, electric energy is generated between the positive and negative poles of the solar cell to charge the battery through the controller in the energy storage system box 9 to ensure power supply at night and in rainy days. The electricity stored in the battery is provided to households through the inverter to meet the general household power supply needs. The low power concentrating photovoltaic system for households of the utility model is simple and convenient to install and can be used in the field. The utility model improves the sunlight utilization rate through the light concentrating effect, and greatly improves the performance and practicability of the household low power concentrating photovoltaic system.

Claims (3)

1. family low-concentration photovoltaic device, it includes the column support of a tubulose, one solar module, it is characterized in that being equipped with on the described column support (8) an angular adjustment base (7), this angular adjustment base (7) top is connected with an installing bracket of solar cell module (5); Solar module (4) is installed on the installing bracket of solar cell module (5), is furnished with at least two reflective coating warp knitting cloths (2) in four sides of this solar module (4).

2. family according to claim 1 low-concentration photovoltaic device, it is characterized in that described reflective plated film warp knitting cloth (2) is a kind of good silver color plated film warp knitting cloth of reflecting effect that has, this silver color plated film warp knitting cloth has four also to be installed on the installing bracket of solar cell module (5) with bolt respectively, then link to each other in twos between the described silver color plated film warp knitting cloth, and make in twos silver color plated film warp knitting cloth be certain angle outwards to launch by connecting rod (3).

3. family according to claim 1 and 2 low-concentration photovoltaic device is characterized in that described solar module (4) is fixed on mounting bracket (5) and upward and with control energy-storage system case (9) links to each other; By buckle or bolt solar module (4) is installed above the installing bracket of solar cell module (5), and solar module (4) adopts no mount structure or plastic assembly.

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