阅读说明：本技术 一种太阳能光伏聚焦系统 (Solar photovoltaic focusing system ) 是由 强鹏飞 盛立志 曹捷 张国琦 李林森 于 2019-10-28 设计创作，主要内容包括：本发明公开了一种太阳能光伏聚焦系统,利用光的全反射原理,通过旋转抛物面结构和球面结构将入射太阳光聚焦后,入射至光密介质中,聚焦后的太阳光在光密介质中产生全反射,最终传导至位于中心的太阳能电池板处,以增加太阳能收集效率和转换效率。本发明包括抛物面结构、出射球面结构、入射球面结构,上反射面、下反射面、太阳能光伏板、冷却系统。所述抛物面结构位于聚焦系统最上方,太阳光入射后镜抛物面结构聚焦并反射至出射球面结构处。所述出射球面结构与抛物面结构共焦点,位于抛物面结构下方,其作用是将抛物面反射后的太阳光传导至入射球面结构。所述入射球面结构与抛物面、出射球面结构为共焦结构,位于出射球面结构下方。(The invention discloses a solar photovoltaic focusing system, which focuses incident sunlight by utilizing a total reflection principle through a rotating paraboloid structure and a spherical structure, then the focused sunlight is incident into a light-tight medium, and the focused sunlight generates total reflection in the light-tight medium and is finally conducted to a solar cell panel positioned in the center so as to increase the solar collection efficiency and the conversion efficiency. The solar photovoltaic panel comprises a paraboloid structure, an emergent spherical structure, an incident spherical structure, an upper reflecting surface, a lower reflecting surface, a solar photovoltaic panel and a cooling system. The parabolic structure is positioned at the top of the focusing system, and sunlight is incident to the parabolic structure of the rear mirror to be focused and reflected to the emergent spherical structure. The exit spherical structure and the paraboloid structure have a common focus and are positioned below the paraboloid structure, and the exit spherical structure and the paraboloid structure have the function of transmitting sunlight reflected by the paraboloid to the incident spherical structure. The incident spherical structure, the paraboloid and the emergent spherical structure are confocal structures and are positioned below the emergent spherical structure.)

1. The utility model provides a solar photovoltaic focusing system which characterized in that:

the solar photovoltaic panel comprises a paraboloid structure, an emergent spherical structure, an incident spherical structure, an upper reflecting surface, a lower reflecting surface, a solar photovoltaic panel and a cooling system;

the parabolic structure is positioned at the top of the focusing system, and sunlight is focused and reflected to the emergent spherical structure through the parabolic structure after being incident;

the exit spherical structure and the paraboloid structure have a common focus and are positioned below the paraboloid structure;

the incident spherical structure, the paraboloidal structure and the emergent spherical structure are confocal structures and are positioned below the emergent spherical structure;

the upper reflecting surface and the lower reflecting surface are positioned below the emergent spherical surface structure;

the solar photovoltaic panel is positioned in the center of the whole system;

the cooling system is located below the solar photovoltaic panel.

2. The solar photovoltaic focusing system of claim 1, wherein: after the incident sunlight is focused by the paraboloid structure, the incident sunlight is conducted to a solar photovoltaic panel positioned in the center of the system by utilizing the total reflection principle.

3. The solar photovoltaic focusing system of claim 2, wherein: the paraboloid structure, the emergent spherical structure and the incident spherical structure are concentric confocal structures.

4. The solar photovoltaic focusing system of claim 3, wherein: the upper reflecting surface and the lower reflecting surface belong to a parallel structure.

5. The solar photovoltaic focusing system of claim 3, wherein: the upper reflecting surface and the lower reflecting surface are not parallel.

Technical Field

The invention belongs to the technical field of solar photovoltaics, and relates to a solar photovoltaic focusing system.

Background

The solar photovoltaic industry is a new energy industry, is a clean energy mode for converting solar energy into electric energy, has the technical bottleneck of limiting the solar photovoltaic industry, particularly, along with the coming of energy crisis, the development of key technology is particularly important, and for many years, scientists in various countries improve the solar photovoltaic conversion efficiency by various methods so as to reduce the industrial cost, but due to various problems of raw materials and the like, the cost of the photovoltaic industry is always high and cannot be popularized in a large scale.

Disclosure of Invention

The present invention provides a solar photovoltaic focusing system, which focuses incident sunlight through a rotating paraboloid structure and a spherical structure and then enters an optically dense medium by using a total reflection principle, wherein the focused sunlight generates total reflection in the optically dense medium and is finally transmitted to a solar cell panel located at the center, so as to increase the solar collection efficiency and the conversion efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:

a solar photovoltaic focusing system comprises a paraboloid structure, an emergent spherical structure, an incident spherical structure, an upper reflecting surface, a lower reflecting surface, a solar photovoltaic panel and a cooling system.

The parabolic structure is positioned at the top of the focusing system, and sunlight is incident to the parabolic structure of the rear mirror to be focused and reflected to the emergent spherical structure;

the exit spherical structure and the paraboloid structure have a common focus and are positioned below the paraboloid structure, and the exit spherical structure and the paraboloid structure have the function of transmitting sunlight reflected by the paraboloid to the incident spherical structure.

The incident spherical structure, the paraboloid and the emergent spherical structure are of a confocal structure and are positioned below the emergent spherical structure, and the incident spherical structure has the function of leading emergent light of the emergent spherical structure to be incident between the upper reflecting surface and the lower reflecting surface so as to generate total reflection.

The upper and lower reflecting surfaces are positioned below the emergent structure and are used for conducting sunlight which is incident through the incident spherical structure to a solar photovoltaic panel positioned in the center of the system by utilizing the total reflection principle.

The solar photovoltaic panel is positioned in the center of the whole system and is used for converting incident sunlight into electric energy by utilizing the photovoltaic effect.

The cooling system is located below the solar photovoltaic panel and is used for cooling the solar photovoltaic panel in real time, and irreversible damage to the system is avoided.

Based on the basic technical scheme, the invention also makes the following optimization limitations:

in the above system, the parabolic structure focuses the parallel incident sunlight to collect the solar energy to the maximum extent possible.

In the system, the outgoing spherical structure and the incoming spherical structure are concentric and confocal with the paraboloid structure, so that all collected solar light can smoothly enter the optically dense medium.

In the system, the upper and lower reflecting plates (surfaces) belong to a parallel structure, so that solar energy entering the optically dense medium and meeting the requirement of a total reflection T path can be smoothly transmitted to the solar photovoltaic plate in the upper and lower reflecting plates.

The solar photovoltaic focusing system is characterized by comprising a plurality of transformation situations, and the upper reflecting plate (surface) and the lower reflecting plate (surface) can also be placed at a certain angle.

The invention has the beneficial effects that:

in summary, the solar photovoltaic focusing system developed by the inventor utilizes the principle of parabolic reflection and total reflection to focus solar energy through a parabolic surface, and then utilizes the principle of total reflection to conduct light energy to a solar photovoltaic panel, so that the deficiency of photoelectric conversion efficiency is made up by an optical means, and the conversion efficiency of the whole photovoltaic industry is improved. The specific principle of the solar concentrator is as shown in fig. 1, after sunlight enters a focusing system, the incident sunlight is focused through a rotating paraboloidal structure 1 and a spherical structure 2 and then enters an optically dense medium, the focused sunlight generates total reflection in the optically dense medium and is finally conducted to a solar cell panel 6 positioned in the center, so that the solar collection efficiency and the conversion efficiency are increased.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is an enlarged view of a portion of the present invention;

fig. 3 is a schematic diagram of the optical path of the present invention.

Detailed Description

The following description of the embodiments of the present invention refers to the accompanying drawings and examples:

as shown in fig. 1 to 3, which illustrate a specific embodiment of the present invention, as shown in fig. 1, the eye-lifting photovoltaic focusing system disclosed in the present invention includes a parabolic structure 1, an exit spherical structure 2, an incident spherical structure 3, an upper reflective surface 4, a lower reflective surface 5, a solar photovoltaic panel 6, and a cooling system 7.

The paraboloid structure 1 is positioned at the top of the focusing system, and sunlight is incident to the paraboloid structure 1 of the rear mirror to be focused and reflected to the emergent spherical structure 2.

The center of the outgoing spherical structure 2 is coincident with the focus of the paraboloidal structure 1, is positioned below the paraboloidal structure 1, and is used for transmitting the sunlight reflected by the paraboloidal structure 1 to the incident spherical structure 3.

The incident spherical structure 3 is located below the emergent spherical structure 2, and is used for making the emergent light of the emergent spherical structure 2 incident between the upper 4 and lower 5 reflecting surfaces to generate total reflection. The focus of the paraboloid 1 is superposed with the circle centers of the emergent spherical structure 2 and the incident spherical structure 3, and the function of the paraboloid is that the transmission direction of emergent rays reflected by the paraboloid is not changed in the process of being transmitted to the lower reflecting plate;

the upper 4 and lower 5 reflecting surfaces are positioned below the emergent structure and are used for conducting sunlight which is incident through the incident spherical structure 3 to a solar photovoltaic panel 6 positioned in the center of the system by utilizing the total reflection principle.

The solar photovoltaic panel 6 is located in the center of the whole system and is used for converting incident sunlight into electric energy by utilizing the photovoltaic effect.

The cooling system 7 is located below the solar photovoltaic panel and is used for cooling the solar photovoltaic panel in real time to avoid irreversible damage to the system.

While the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes, which relate to the related art known to those skilled in the art and fall within the scope of the present invention, can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.