


所属技术领域:Technical field:
本发明涉及一种太阳能应用技术,特别是一种利用抛物柱面聚光原理接收太阳能的二次反射抛物柱面聚光半圆柱面采光太阳能发电装置,该装置通过反光面的反光聚焦作用接收太阳能,可大幅提高太阳能的接收效率。The present invention relates to a solar energy application technology, in particular to a second-reflection parabolic cylindrical surface concentrating semi-cylindrical light-gathering solar power generation device using the principle of parabolic cylindrical surface concentrating to receive solar energy. The device receives solar energy through the reflective focusing effect of the reflective surface , can greatly improve the solar energy receiving efficiency.
背景技术:Background technique:
太阳能是一种清洁能源,取之不尽、用之不竭,也不会造成环境污染,如今,无论在沿海城市,还是在内陆城市,太阳能产品正越来越多地进入人们的视野,太阳能路灯、太阳能草坪灯、太阳能庭院灯、太阳能楼道灯、公交站台灯、交通信号灯等等,各种太阳能热水器也已经走近千家万户。但这些太阳能产品大多数都没有聚光功能,造成太阳能利用率低下。太阳能接收元件表面的光强提高一倍,太阳能接收元件的接收效率将提高一倍,目前太阳能产业技术竞争的焦点主要是太阳能接收效率之争,可见提高接收效率对整个行业重要程度,因此能否有效的提高太阳能接收元件的光照强度,就成为人们利用太阳能时最为关注的问题。Solar energy is a kind of clean energy, inexhaustible and inexhaustible, and will not cause environmental pollution. Nowadays, whether in coastal cities or inland cities, solar energy products are increasingly entering people's field of vision. Solar street lights, solar lawn lights, solar garden lights, solar corridor lights, bus station lights, traffic lights, etc., all kinds of solar water heaters have also approached thousands of households. However, most of these solar products do not have the function of concentrating light, resulting in low utilization of solar energy. If the light intensity on the surface of the solar receiving element is doubled, the receiving efficiency of the solar receiving element will be doubled. At present, the focus of technological competition in the solar industry is mainly the competition for solar receiving efficiency. It can be seen that improving the receiving efficiency is important to the entire industry. Therefore, whether Effectively improving the light intensity of solar receiving elements has become the most concerned issue when people utilize solar energy.
近些年,国外在一些太阳能电站的光伏矩阵中实现了太阳能聚光接收,国内也有类似的试验装置,但这些装置结构复杂、体积庞大、造价高难以在太阳能家用产品上得到推广。In recent years, foreign countries have achieved concentrated solar energy reception in the photovoltaic matrix of some solar power plants, and there are similar test devices in China, but these devices are complex in structure, bulky and expensive, and it is difficult to promote them in solar household products.
发明内容:Invention content:
为了克服现有的聚光装置机械结构复杂、体积庞大、造价高等缺点.本发明针对现有技术存在的不足,对现有技术进行了改进,提出了一种体积小、结构简单可靠、成本低的太阳能聚光接收装置、它可实现太阳能的聚光接收。In order to overcome the shortcomings of the existing concentrating device, such as complex mechanical structure, bulky volume, and high cost, the present invention aims at the deficiencies of the existing technology, improves the existing technology, and proposes a small volume, simple and reliable structure, and low cost The solar concentrated light receiving device, which can realize the concentrated light reception of solar energy.
本发明解决其技术问题所采用的技术方案是:在一个长方形箱体内安装了多个太阳能聚光接收机构,各太阳能聚光接收机构整齐排列在长方形箱体内,在长方形箱体的上面盖有一块平面透明盖板,平面透明盖板将各太阳能聚光接收机构封闭在长方形箱体内,各太阳能聚光接收机构都由一块大平面反光镜、一块抛物柱面反光镜和一个光能接收器构成,The technical solution adopted by the present invention to solve the technical problem is: a plurality of solar concentrating receiving mechanisms are installed in a rectangular box, each solar concentrating receiving mechanism is neatly arranged in the rectangular box, and a piece of The plane transparent cover plate seals each solar energy concentrating receiving mechanism in a rectangular box. Each solar concentrating receiving mechanism is composed of a large plane reflector, a parabolic reflector and a light energy receiver.
各太阳能聚光接收机构的大平面反光镜相互平行,各太阳能聚光接收机构的大平面反光镜与平面透明盖板相交成45°角,各大平面反光镜的中间位子沿其长边方向都开有一条长直的光线入射狭缝,各大平面反光镜的光线入射狭缝都与长方形箱体的同一条长边平行并且大平面反光镜的光线入射狭缝位于同一个与平面透明盖板平行的平面上,各太阳能聚光接收机构的光能接收器由一块长直的半圆柱面太阳能电池板构成,The large plane reflectors of each solar concentrating receiving mechanism are parallel to each other, and the large plane reflectors of each solar concentrating receiving mechanism intersect with the plane transparent cover to form an angle of 45°. There is a long and straight light incident slit, and the light incident slits of the large plane reflectors are all parallel to the same long side of the rectangular box, and the light incident slits of the large plane reflectors are located on the same plane as the transparent cover plate On parallel planes, the light energy receivers of each solar concentrating receiving mechanism are composed of a long straight semi-cylindrical solar panel,
各太阳能聚光接收机构的光能接收器安装在该太阳能聚光接收机构的大平面反光镜的反光面的背面,各太阳能聚光接收机构的光能接收器的半圆柱面太阳能电池板的圆柱面的轴线与该太阳能聚光接收机构的抛物柱面反光镜的焦线相互重合,各太阳能聚光接收机构的抛物柱面反光镜的焦线与该太阳能聚光接收机构的大平面反光镜的光线入射狭缝相互重合,各太阳能聚光接收机构的抛物柱面反光镜的对称面与该太阳能聚光接收机构的大平面反光镜相交成45°角,The photoreceiver of each solar concentrating receiving mechanism is installed on the back side of the reflective surface of the large plane reflector of this solar concentrating receiving mechanism, and the cylinder of the semicylindrical solar cell panel of the photoreceiver of each solar concentrating receiving mechanism The axis of the surface coincides with the focal line of the parabolic reflector of the solar concentrating receiving mechanism. The light incident slits coincide with each other, and the symmetry plane of the parabolic reflector of each solar concentrating receiving mechanism intersects with the large plane reflector of the solar concentrating receiving mechanism to form an angle of 45°.
当太阳光垂直于平面透明盖板入射时,入射光线通过各太阳能聚光接收机构的大平面反光镜和抛物柱面反光镜的反射聚焦后都能穿过大平面反光镜的光线入射狭缝垂直照射在各光能接收器的半圆柱面太阳能电池板上,照射在各光能接收器的半圆柱面太阳能电池板上的光能通过各光能接收器的半圆柱面太阳能电池板转换为电能,通过抛物柱面反光镜的反光聚焦作用大幅提高了照射在半圆柱面太阳能电池板上的太阳光的强度,因而大幅提高了光能接收器的光电转换率。When sunlight is incident perpendicular to the plane transparent cover, the incident light can pass through the light incident slit of the large plane reflector after being reflected and focused by the large plane reflectors and parabolic reflectors of each solar concentrating receiving mechanism. The light energy irradiated on the semi-cylindrical solar cell panels of each light energy receiver is converted into electric energy by the semi-cylindrical solar cell panels of each light energy receiver , the intensity of sunlight irradiated on the semi-cylindrical solar cell panel is greatly improved through the reflective focusing effect of the parabolic reflector, thereby greatly improving the photoelectric conversion rate of the light energy receiver.
本发明的有益效果是:通过各抛物柱面反光镜的反光聚焦作用大幅提高了照射在各光能接收器上的太阳光的强度,因而大幅提高了各光能接收器的光电转换率,实现了在强光和弱光的环境下都有较高的光电转换率。The beneficial effects of the present invention are: through the reflective focusing effect of each parabolic reflector, the intensity of sunlight irradiated on each light energy receiver is greatly improved, thereby greatly improving the photoelectric conversion rate of each light energy receiver, realizing In order to have a high photoelectric conversion rate in the environment of strong light and weak light.
附图说明:Description of drawings:
下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
图1是本发明的整体结构图。Fig. 1 is the overall structure diagram of the present invention.
图2是本发明的整体结构图的A-A剖视图。Fig. 2 is A-A sectional view of the overall structure diagram of the present invention.
图3是本发明实施例的太阳能聚光接收机构剖视图的放大图。Fig. 3 is an enlarged view of a cross-sectional view of a solar concentrating receiving mechanism according to an embodiment of the present invention.
图4是抛物柱面的示意图。Figure 4 is a schematic diagram of a parabolic cylinder.
在图4的抛物柱面构成图中:抛物线L,准线L1,顶点O,焦点f,对称轴L2,抛物柱面S,准平面S1,对称面S2,焦线L3。In the parabolic cylinder composition diagram in Fig. 4: parabola L, directrix L1, vertex O, focus f, symmetry axis L2, parabolic cylinder S, quasi-plane S1, symmetry plane S2, focal line L3.
具体实施方式Detailed ways
在图1和图2中,在长方形箱体3-1内安装了由大平面反光镜1-1-1和抛物柱面反光镜1-2-1和光能接收器1-3-1构成的太阳能聚光接收机构一、由大平面反光镜1-1-2和抛物柱面反光镜1-2-2和光能接收器1-3-2构成的太阳能聚光接收机构二、由大平面反光镜1-1-3和抛物柱面反光镜1-2-3和光能接收器1-3-3构成的太阳能聚光接收机构三、由大平面反光镜1-1-4和抛物柱面反光镜1-2-4和光能接收器1-3-4构成的太阳能聚光接收机构四、由大平面反光镜1-1-5和抛物柱面反光镜1-2-5和光能接收器1-3-5构成的太阳能聚光接收机构五,五个太阳能聚光接收机构的整齐排列在长方形箱体3-1内,在长方形箱体3-1的上面盖有一块平面透明盖板4-1,平面透明盖板4-1将五个太阳能聚光接收机构封闭在长方形箱体3-1内,上述五个大平面反光镜的中间位子沿其长边方向都开有一条长直的光线入射狭缝,上述五个大平面反光镜的光线入射狭缝都与长方形箱体3-1的一条长边平行并且各大平面反光镜的光线入射狭缝位于同一个与平面透明盖板4-1平行的平面上,上述五个大平面反光镜的反光平面与平面透明盖板4-1相交成45°角,In Fig. 1 and Fig. 2, in the rectangular box body 3-1, a large plane mirror 1-1-1, a parabolic mirror 1-2-1 and a light energy receiver 1-3-1 are installed. Solar concentrating receiving mechanism 1. Solar concentrating receiving mechanism composed of large plane reflector 1-1-2, parabolic reflector 1-2-2 and light energy receiver 1-3-2. Mirror 1-1-3, parabolic reflector 1-2-3 and light energy receiver 1-3-3 form the solar concentrating receiving mechanism 3, by large plane reflector 1-1-4 and parabolic reflective Mirror 1-2-4 and light energy receiver 1-3-4 constitute solar energy concentrating receiving mechanism four, by large plane reflector 1-1-5 and parabolic reflector 1-2-5 and light energy receiver 1 -The solar concentrating receiving mechanism five composed of 3-5, the five solar concentrating receiving mechanisms are neatly arranged in the rectangular box 3-1, and a flat transparent cover plate 4- is covered on the rectangular box 3-1 1. The plane transparent cover plate 4-1 seals the five solar energy concentrating receiving mechanisms in the rectangular box 3-1, and the middle seats of the above five large plane reflectors have a long straight light along their long sides. Incident slits, the light incident slits of the above five large plane reflectors are all parallel to a long side of the rectangular box 3-1 and the light incident slits of the large plane reflectors are located on the same plane transparent cover plate 4- 1 on a parallel plane, the reflection planes of the above five large plane reflectors intersect with the plane transparent cover plate 4-1 to form an angle of 45°,
在图3中第一太阳能聚光接收机构由大平面反光镜1-1-1、抛物柱面反光镜1-2-1和光能接收器1-3-1构成,光能接收器1-3-1由一块半圆柱面太阳能电池板10-2构成,光能接收器1-3-1安装在大平面反光镜1-1-1的反光面的背面,半圆柱面太阳能电池板10-2的轴线与抛物柱面反光镜1-2-1的焦线相互重合,抛物柱面反光镜1-2-1的焦线与大平面反光镜1-1-1的光线入射狭缝相互重合,抛物柱面反光镜1-2-1的对称面与大平面反光镜1-1-1相交成45°角,In Fig. 3, the first solar energy concentrating receiving mechanism is made of large plane reflector 1-1-1, parabolic reflector 1-2-1 and light energy receiver 1-3-1, light energy receiver 1-3 -1 consists of a semi-cylindrical solar cell panel 10-2, the light energy receiver 1-3-1 is installed on the back of the reflective surface of the large plane reflector 1-1-1, and the semi-cylindrical solar cell panel 10-2 The axis of the parabolic reflector 1-2-1 coincides with the focal line of the parabolic reflector 1-2-1, and the focal line of the parabolic reflector 1-2-1 coincides with the light incident slit of the large plane reflector 1-1-1. The symmetry plane of the parabolic mirror 1-2-1 intersects with the large plane mirror 1-1-1 to form an angle of 45°,
当太阳光垂直于平面透明盖板4-1入射时,入射光线通过大平面反光镜1-1-1和抛物柱面反光镜1-2-1的反射聚焦后都能穿过大平面反光镜1-1-1的光线入射狭缝垂直照射在半圆柱面太阳能电池板10-2上,照射在半圆柱面太阳能电池板10-2上的光能通过半圆柱面太阳能电池板10-2转换为电能,通过抛物柱面反光镜1-2-1的反光聚焦作用大幅提高了照射在半圆柱面太阳能电池板10-2上的太阳光的强度,因而大幅提高了光能接收器1-3-1的光电转换率,各个太阳能聚光接收机构的光能接收器的结构、各项尺寸和光能接受过程与光能接收器1-3-1相同。When sunlight is incident perpendicular to the plane transparent cover plate 4-1, the incident light can pass through the large plane reflector after being reflected and focused by the large plane reflector 1-1-1 and the parabolic reflector 1-2-1 The light incident slit of 1-1-1 is vertically irradiated on the semi-cylindrical solar cell panel 10-2, and the light energy irradiated on the semi-cylindrical solar cell panel 10-2 is converted by the semi-cylindrical solar cell panel 10-2 For electric energy, the intensity of sunlight irradiated on the semi-cylindrical solar cell panel 10-2 is greatly improved by the reflective focusing effect of the parabolic reflector 1-2-1, thereby greatly improving the light energy receiver 1-3. The photoelectric conversion rate of -1, the structure, size and light receiving process of the light energy receivers of each solar concentrating light receiving mechanism are the same as those of the light energy receiver 1-3-1.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105257447ACN101976984A (en) | 2010-10-25 | 2010-10-25 | Secondary reflection solar power generating device with parabolic cylinder for gathering light and semi-cylindrical surface for daylighting |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105257447ACN101976984A (en) | 2010-10-25 | 2010-10-25 | Secondary reflection solar power generating device with parabolic cylinder for gathering light and semi-cylindrical surface for daylighting |
| Publication Number | Publication Date |
|---|---|
| CN101976984Atrue CN101976984A (en) | 2011-02-16 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105257447APendingCN101976984A (en) | 2010-10-25 | 2010-10-25 | Secondary reflection solar power generating device with parabolic cylinder for gathering light and semi-cylindrical surface for daylighting |
| Country | Link |
|---|---|
| CN (1) | CN101976984A (en) |
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| WD01 | Invention patent application deemed withdrawn after publication | Open date:20110216 |