CN212324056U

CN212324056U - Solar concentrating photovoltaic power generation device

Info

Publication number: CN212324056U
Application number: CN202021245296.0U
Authority: CN
Inventors: 雷丰传
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-01-08
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a photovoltaic power generation technical field specifically is solar energy spotlight photovoltaic power generation device for solve among the prior art solar photovoltaic power generation device's the generating efficiency low, problem that the power generation cost is high. The utility model discloses a photovoltaic cell board, one-level spotlight piece, one-level light pipe assembly, second grade spotlight piece and second grade light pipe assembly, a plurality of one-level spotlight pieces and a plurality of one-level light pipe assembly one-to-one, the end of second grade light pipe assembly still is equipped with the scattered light piece. The utility model discloses in gather the sunlight through the one-level and gather the light piece, transmit second grade through one-level light pipe assembly and gather the light piece once more, sunlight after gathering once more transmits astigmatism department through second grade light pipe assembly, through the astigmatism piece with sunlight projection photovoltaic cell panel on, can reduce photovoltaic cell panel's use amount like this, make photovoltaic cell panel realize the photovoltaic effect under the most suitable optical density simultaneously to can reduce photovoltaic power generation's cost and improve the efficiency of electricity generation.

Description

Solar concentrating photovoltaic power generation device

Technical Field

The utility model relates to a photovoltaic power generation technical field, more specifically relate to solar energy spotlight photovoltaic power generation device.

Background

Solar energy is a renewable energy source, which refers to the thermal radiation energy of the sun, and is mainly expressed by the solar ray, the solar energy is an inexhaustible clean energy source which is generally used as power generation or provides energy for a water heater in modern times, the solar power generation is a new renewable energy source, and a lot of energy can be saved by utilizing the solar power generation.

At present, solar power generation mainly adopts two main modes, namely solar tower type heat-collecting power generation and solar panel photovoltaic power generation. The solar tower type heat-collecting power generation has serious damage to the environment, higher requirement on the terrain and large occupied area; solar cell panel photovoltaic power generation needs to lay a large amount of solar cell panel, still needs later maintenance. It can be seen that although the use of solar energy for power generation can save a lot of energy, the cost in the process of converting solar energy is still high.

The optical density is a very important factor affecting the photovoltaic power generation efficiency, analyzed from the influencing factors affecting the solar photovoltaic power generation. Therefore, a light-gathering device for improving optical density is urgently needed to improve the power generation efficiency of photovoltaic power generation and achieve the purpose of reducing the power generation cost.

SUMMERY OF THE UTILITY MODEL

Based on above problem, the utility model aims to: the solar concentrating photovoltaic power generation device is used for solving the problems of low power generation efficiency and high power generation cost of the solar photovoltaic power generation device in the prior art.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

solar energy spotlight photovoltaic power generation device, including photovoltaic cell board, its characterized in that: the light source comprises a light source body, a first-stage light gathering part and a second-stage light gathering part, wherein the first-stage light gathering part comprises a plurality of first-stage light gathering parts and a plurality of first-stage light guide pipe assemblies; the secondary condenser comprises a secondary light gathering part and a secondary light pipe assembly, the secondary light gathering part can gather sunlight in the primary light pipe assemblies into the secondary light pipe assembly, the tail end of the secondary light pipe assembly is further provided with a light scattering part, and the light scattering part can scatter the sunlight in the secondary light pipe assembly onto the photovoltaic cell panel.

As a preferable mode, the primary light-collecting element is a primary convex lens, the secondary light-collecting elements are secondary convex lenses, and the light-diffusing element is a concave lens.

In a preferred mode, the primary convex lens and the secondary convex lens are both rectangular in shape.

As a preferred mode, one-level light pipe subassembly includes a plurality of one-level light pipes that connect gradually, connect through one-level interface unit between the one-level light pipe, second grade light pipe subassembly includes a plurality of second grade light pipes that connect gradually, connect through second grade interface unit between the second grade light pipe.

In a preferred mode, the inner walls of the primary light guide pipe and the secondary light guide pipe are coated with coatings.

Preferably, the angles of reflection of light at the primary and secondary interface elements are both 45 °.

Preferably, a dust guard is further installed in front of the primary light gathering member, and the dust guard is made of transparent glass.

The utility model has the advantages as follows:

(1) the utility model discloses in gather the sunlight through the one-level and gather the light piece, transmit second grade through one-level light pipe assembly and gather the light piece once more, sunlight after gathering once more transmits astigmatism department through second grade light pipe assembly, through the astigmatism piece with sunlight projection photovoltaic cell panel on, the optical density on the photovoltaic cell panel can be improved like this, reduce photovoltaic cell panel's use amount, make photovoltaic cell panel realize the photovoltaic effect under the most suitable optical density simultaneously, thereby can reduce photovoltaic power generation's cost and the efficiency that improves electricity generation.

(2) The utility model discloses the shape of well one-level convex lens and second grade convex lens is the rectangle, is favorable to subsequent equipment concatenation, when realizing a plurality of convex lenses rectangle side by side, the unit area that can utilize is the biggest, and the effective utilization area of spotlight is bigger.

(3) The utility model discloses the reflection angle of well one-level interface unit and second grade interface unit department light is 45, and the light of transmission can be realized turning in one-level light pipe subassembly and second grade light pipe subassembly like this to can make the light transmission farther.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the cross-sectional front view of the first-stage light pipes connected by the first-stage interface part;

FIG. 3 is a schematic diagram of a front sectional view of the second stage light pipes connected by the second stage interface part;

reference numerals: 1 photovoltaic cell panel, 2 astigmatic parts, 3 second grade light pipe subassemblies, 31 second grade light pipe, 4 second grade spotlight parts, 5 first grade light pipe subassemblies, 51 first grade light pipe, 6 first grade spotlight parts, 7 dust guards, 8 first grade interface unit, 9 second grade interface unit.

Detailed Description

For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.

Example (b):

as shown in fig. 1-3, the solar concentrating photovoltaic power generation device includes a photovoltaic cell panel 1, and further includes a primary concentrator and a secondary concentrator, the primary concentrator includes a plurality of primary light-collecting members 6 and a plurality of primary light-guiding tube assemblies 5, the plurality of primary light-collecting members 6 are installed side by side, and the plurality of primary light-collecting members 6 correspond to the plurality of primary light-guiding tube assemblies 5 one by one; the secondary condenser comprises a secondary light gathering part 4 and a secondary light guide pipe component 3, the sunlight in the primary light guide pipe components 5 can be gathered to the secondary light guide pipe component 3 through the secondary light gathering part 4, the tail end of the secondary light guide pipe component 3 is also provided with a light scattering part 2, and the sunlight in the secondary light guide pipe component 3 can be scattered to the photovoltaic cell panel 1 through the light scattering part 2.

Wherein, the first-level light-gathering part 6 is a first-level convex lens, the second-level light-gathering parts 4 are second-level convex lenses, and the light-diffusing part 2 is a concave lens.

The working principle is as follows: because one-level convex lens and one-level light pipe subassembly 5 one-to-one, when the sunlight shines on one-level convex lens, gather the sunlight in the one-level light pipe subassembly 5 that corresponds through one-level convex lens, the sunlight that one-level light pipe subassembly 5 rethread optic fibre will gather transmits the second grade convex lens on, the light in a plurality of second grade light pipe subassemblies 3 all transmits on same second grade convex lens this moment, rethread second grade convex lens is unified to the sunlight and is gathered again, the light after gathering again transmits concave lens department through second grade light pipe subassembly 3, the principle that second grade light pipe subassembly 3 transmits light is similar with optic fibre wantonly, the rethread concave lens is with the light dispersion of final gathering to photovoltaic cell panel 1, photovoltaic cell panel 1 carries out conventional electricity generation again. Therefore, the optical density of the photovoltaic cell panel 1 can be improved, the using amount of the photovoltaic cell panel 1 is reduced, and meanwhile, the photovoltaic effect of the photovoltaic cell panel 1 is realized under the most suitable optical density, so that the cost of photovoltaic power generation can be reduced, and the power generation efficiency can be improved.

Preferably, the shapes of the first-level convex lens and the second-level convex lens are rectangular, so that the subsequent assembly and splicing are facilitated, the unit area capable of being utilized is the largest when a plurality of convex lenses are rectangular side by side, and the effective utilization area of light condensation is larger.

Preferably, the primary light pipe assembly 5 comprises a plurality of primary light pipes 51 connected in sequence, the primary light pipes 51 are connected through a primary interface component 8, the secondary light pipe assembly 3 comprises a plurality of secondary light pipes 31 connected in sequence, and the secondary light pipes 31 are connected through a secondary interface component 9. When light needs to be transmitted for a long distance and one primary light pipe 51 or secondary light pipe 31 does not reach the distance enough, the primary light pipes 51 can be connected through the primary interface part 8, the secondary light pipes 31 can be connected through the secondary interface part 9, so that the light can be transmitted for a long distance in the primary light pipes 51 and the secondary light pipes 31, the lengths of the primary light pipes 51 and the secondary light pipes 31 are not limited, and unlimited extension of light transmission paths can be realized through the primary light pipes 51 and the secondary light pipes 31, so that a plurality of single light gathering devices of the present case can be assembled into a large-scale light gathering and concentrating photovoltaic power generation cluster, the inner walls of the primary light pipes 51 and the secondary light pipes 31 are coated with coatings which can be any material capable of reflecting light, such as silver, so that light loss can be reduced, resulting in a greater optical density reaching the diffuser 2.

Preferably, the angles of reflection of the light at the primary interface element 8 and the secondary interface element are both 45 °, so that the light transmitted in the primary light pipe assembly 5 and the secondary light pipe assembly 3 can be turned, thereby enabling the light to be transmitted further.

Preferably, a dust guard 7 is further installed in front of the primary light gathering part 6, the dust guard 7 is made of transparent glass, and the dust guard can play a role in dust prevention and protection on the primary convex lens. In addition, the whole device enables the sunlight to be always in a vertical state with the plane of the primary convex lens through the cooperation of the heliostat system, namely, the sunlight is ensured to be directly irradiated onto the primary convex lens as far as possible, so that the sunlight can be more fully utilized, and how to control the whole device through the heliostat system can be known through the prior art; of course, more light collection can be performed according to the principle of the device, and the device is not limited to two light collection.

The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. Solar energy spotlight photovoltaic power generation device, including photovoltaic cell board (1), its characterized in that: the device comprises a plurality of primary light gathering parts (6) and a plurality of primary light guide pipe assemblies (5), wherein the plurality of primary light gathering parts (6) are arranged side by side, and the plurality of primary light gathering parts (6) correspond to the plurality of primary light guide pipe assemblies (5) one by one; the secondary condenser comprises a secondary light gathering part (4) and a secondary light guide pipe assembly (3), sunlight in a plurality of primary light guide pipe assemblies (5) can be gathered into the secondary light guide pipe assembly (3) through the secondary light gathering part (4), the tail end of the secondary light guide pipe assembly (3) is further provided with a light scattering part (2), and the sunlight in the secondary light guide pipe assembly (3) can be scattered onto the photovoltaic cell panel (1) through the light scattering part (2).

2. The solar concentrated photovoltaic power plant of claim 1, wherein: the primary light-gathering part (6) is a primary convex lens, the secondary light-gathering part (4) is a secondary convex lens, and the light-scattering part (2) is a concave lens.

3. The solar concentrated photovoltaic power plant of claim 2, wherein: the shapes of the primary convex lens and the secondary convex lens are both rectangular.

4. The solar concentrated photovoltaic power plant of claim 1, wherein: one-level light pipe assembly (5) include a plurality of one-level light pipe (51) that connect gradually, connect through one-level interface unit (8) between one-level light pipe (51), second grade light pipe assembly (3) include a plurality of second grade light pipe (31) that connect gradually, connect through second grade interface unit (9) between second grade light pipe (31).

5. The solar concentrated photovoltaic power plant of claim 4, wherein: the reflection angles of the light at the primary interface part (8) and the secondary interface part (9) are both 45 degrees.

6. The solar concentrated photovoltaic power plant of claim 4, wherein: the inner walls of the primary light guide pipe (51) and the secondary light guide pipe (31) are coated with coatings.

7. A solar concentrated photovoltaic power plant according to any of claims 1-6, characterized in that: the front of the primary light gathering piece (6) is also provided with a dust guard (7), and the dust guard (7) is made of transparent glass.