CN201557063U - Parabolic mirror light-gathering solar device - Google Patents

Abstract

The utility model discloses a parabolic mirror solar energy concentrator, wherein a parabolic reflector (12) is fixed on a support frame (7) and can rotate around a rotating shaft (8), a push rod (9) is telescopically adjusted to make the parabolic reflector consistent with the sun's elevation angle, the parabolic reflector (12), the support frame (7) and the push rod (9) are all installed on a turntable reducer (11) and can be horizontally rotated around a supporting leg (10) to adjust the parabolic reflector to be consistent with the sun's azimuth angle, and when the sun shines on the parabolic reflector (12), the light is reflected onto a concentrating photovoltaic assembly (13) to generate electricity. The utility model has the characteristics of high tracking accuracy, very low cost, long service life, high reflectivity, easy cleaning and the like.

Description

A kind of parabolic mirror concentrating solar energy device

Technical field:

The utility model relates to solar energy application technology, in particular to a parabolic mirror concentrating solar energy device.

Background technique:

Concentrating solar energy can improve the utilization efficiency of solar energy. For example, the use of silicon concentrating cells in concentrating photovoltaics can reduce the consumption of silicon wafers by about 30 times. Using gallium arsenide solar cells, the conversion efficiency can reach more than 40%. Liquid cooling can be used for electricity and heat cogeneration. Photothermal applications can generate hot steam for a wide range of applications. However, the application of concentrating solar energy is restricted by many factors, such as the cost of sunlight tracking mechanism, tracking accuracy and stability, geometric accuracy, efficiency, strength, life, and cost of concentrating mirrors, which restrict the wide application of concentrating solar energy, resulting in Now there are very few related applications.

Invention content:

Aiming at the defects of the above-mentioned technologies, the utility model provides a parabolic mirror concentrating solar energy device, which has the advantages of high tracking accuracy, low cost, long service life, high reflectivity, and easy cleaning.

In order to achieve the above object, the technical solution of the utility model is: a parabolic mirror concentrating solar energy device, which consists of a parabolic mirror (12), a support frame (7), a rotatable shaft (8), a push rod (9), Composed of a turntable reducer (11) and a concentrated photovoltaic module (13), it is characterized in that: the reflector (12) is fixed on the support frame (7) and can rotate around the rotating shaft (8), and the telescopic adjustment of the push rod (9) The reflector is consistent with the elevation angle of the sun. The reflector (12), support frame (7), and push rod (9) are all installed on the turntable reducer (11) together, and can be horizontally rotated around the support leg (10) to adjust the reflection The mirror is consistent with the azimuth angle of the sun. When the sun shines on the reflector (12), the light is reflected on the concentrated photovoltaic module (13) to generate electricity. If the concentrated photovoltaic module is replaced with a heat pipe, then light and heat can be utilized.

The reflective mirror (12) is composed of low-iron high-bending strengthened silver-plated mirror glass (1), backboard curved tempered glass (2), laminated parabolic mirror (3), reinforcing rib (4) and radian adjustment pull rod ( 5) The card slot panel (6) consists of a laminated parabolic mirror (3) made of low-iron high-transparency curved strengthened silver-plated mirror glass (1) and back-plate curved tempered glass (2).

The back plate of the reflector (12) has reinforcing ribs (4) and a radian adjustment pull rod (5), and a parabolic slot panel (6) is provided on the edge of the radian.

Beneficial effects of the utility model: the device has the characteristics of long service life, high reflectivity, and easy cleaning. The radian of the parabolic mirror can be adjusted precisely, so that the matching degree of the parabolic surface is within 0.5mm, achieving excellent light-gathering performance, the light-gathering ratio can reach 30-150 times, and the focused spot is even. Solar cell module; the heat dissipation of the module adopts aluminum fin air cooling or heat conduction oil and water cooling, and hot water at a certain temperature can also be obtained

Description of drawings

Fig. 1 is the structural representation of the utility model

Figure 2 is a schematic diagram of the back plate of the parabolic mirror

Figure 3 is a schematic diagram of the parabolic mirror structure

Detailed ways

Now in conjunction with accompanying drawing, the utility model is further described.

The structure of the parabolic mirror is shown in Figure 2. It adopts low-iron and high-bending strengthened silver-coated mirror glass (1). Glass or curved FRP and curved metal plates (2) are made into laminated parabolic mirrors (3). After the glass is strengthened, it can be tested by a 227-gram steel ball falling from a height of 1 meter. It has high strength and strong anti-hail and sandstone ability. And the silver layer is in the interlayer, which is not affected by water, gas, sulfur, etc., and has the characteristics of long life, high reflectivity, and easy cleaning.

Reflective mirror (12) is fixed on the support frame (7), can rotate around rotating shaft (8), the flexible adjustment reflector of push rod (9) is consistent with the sun elevation angle, reflective mirror (12), support frame (7), Push rods (9) are all installed on the turntable reducer (11) together, can do horizontal rotation around support legs (10), to adjust the reflector to be consistent with the azimuth of the sun, when the sun shines on the reflector (12), The light is reflected to the concentrated photovoltaic module (13) to generate electricity, and the concentrated photovoltaic module is replaced with a heat pipe to utilize light and heat.

Claims (3)

1. parabolic lens Photospot solar device, it is by parabolic reflective mirror (12), bracing frame (7), (8), push rod (9), rotating disk reductor (11), concentrating photovoltaic assembly (13) are formed around the shaft, it is characterized in that: parabolic reflective mirror (12) is fixed on the bracing frame (7), rotate (8) around the shaft, the flexible adjustment reflective mirror of push rod (9) is consistent with the sun elevation angle, reflective mirror (12), bracing frame (7), push rod (9) all are installed on the reductor (11) together, can rotate around supporting leg (10), consistent to regulate reflective mirror with solar azimuth.

2. a kind of parabolic lens Photospot solar device according to claim 1, it is characterized in that: described parabolic reflective mirror (12) curvedly strengthens that silvered mirror glass (1), the curved tempered glass of backboard or curved metallic plate, fiberglass composite plate FRP (2) make doubling parabolic lens (3), reinforcement (4) and radian adjusting yoke (5), parabola radian draw-in groove panel (6) is formed thoroughly by low iron is high, and the high saturating curved silvered mirror glass (1) of strengthening of low iron is bent tempered glass or curved metallic plate with backboard, bent fiberglass FRP composite plate (2) and make doubling parabolic lens (3).

3. a kind of Photospot solar parabolic lens device according to claim 2 is characterized in that: reinforcement (4) and radian adjusting yoke (5) are arranged on the backboard of described parabolic reflective mirror (12), and the radian edge is provided with parabola draw-in groove panel (6).

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