CN215912071U

CN215912071U - Leaded light photovoltaic power generation system based on high-efficient cooling

Info

Publication number: CN215912071U
Application number: CN202122287555.7U
Authority: CN
Inventors: 丁宁; 蔡艳
Original assignee: Hunan Financial and Industrial Vocational Technical College
Current assignee: Hunan Financial and Industrial Vocational Technical College
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-02-25
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a light guide photovoltaic power generation system based on efficient cooling, which comprises a light condensation and guide assembly, a photovoltaic assembly and a cooling assembly, wherein the light condensation and guide assembly is arranged on the light condensation and guide assembly; the light-gathering and light-guiding assembly gathers sunlight and irradiates the photovoltaic assembly; the photovoltaic module converts the irradiated light into electric energy; the cooling assembly can cool the photovoltaic assembly, and comprises a heat pipe, a cold water tower and a circulating water pump, wherein the two ends of the cold water tower are respectively connected with an outlet of the heat pipe and one end of the circulating water pump, and the other end of the circulating water pump is connected with an inlet of the heat pipe. The photovoltaic module has the advantages of reducing the internal temperature of the photovoltaic module and improving the power generation efficiency.

Description

Leaded light photovoltaic power generation system based on high-efficient cooling

Technical Field

The utility model relates to the technical field of solar photovoltaic power generation, in particular to a light guide photovoltaic power generation system based on efficient cooling.

Background

Solar photovoltaic power generation occupies an important seat of world energy consumption in the 21 st century, and not only is a part of conventional energy replaced, but also the solar photovoltaic power generation becomes a main body of world energy supply. A photovoltaic power generation System (PV System) is a power generation System that converts solar energy into electric energy, and uses a photovoltaic effect to directly convert solar energy into electric energy using a solar cell. Compared with the existing main power generation mode, the working point of the photovoltaic power generation system changes rapidly, because the photovoltaic power generation system is greatly influenced by external environmental factors such as illumination, temperature and the like; the primary energy power of the input side can not be actively regulated and controlled in a technical range, and only the maximum power point under the current illumination condition can be passively tracked, so that the maximum output of the power generation system is strived to be realized. The existing photovoltaic power generation system has the defects of high temperature of a photovoltaic module and low power generation efficiency.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a light guide photovoltaic power generation system based on high-efficiency cooling, which reduces the usage amount of a photovoltaic module required by unit power generation amount, reduces the internal temperature of the photovoltaic module and also improves the power generation efficiency of the photovoltaic module.

The technical scheme of the utility model is as follows: a light guide photovoltaic power generation system based on efficient cooling comprises a light condensation and guide assembly, a photovoltaic assembly and a cooling assembly; the light-gathering and light-guiding assembly gathers sunlight and irradiates the photovoltaic assembly; the photovoltaic module converts the irradiated light into electric energy; the cooling assembly can cool the photovoltaic assembly, and comprises a heat pipe, a cold water tower and a circulating water pump, wherein the two ends of the cold water tower are respectively connected with an outlet of the heat pipe and one end of the circulating water pump, and the other end of the circulating water pump is connected with an inlet of the heat pipe.

The further technical scheme of the utility model is as follows: the photovoltaic module comprises an upper glass plate, an upper EVA (ethylene vinyl acetate) adhesive film, a battery piece, a lower EVA adhesive film and a lower glass plate; the upper glass plate, the upper EVA adhesive film, the battery piece, the lower EVA adhesive film and the lower glass plate are sequentially arranged from top to bottom, and the heat conduction pipe is located between the lower EVA adhesive film and the lower glass plate.

The further technical scheme of the utility model is as follows: the light condensing and guiding assembly comprises a plurality of light condensing lens groups, a light condensing block group is arranged at the focusing position of each light condensing lens group and is connected with the light emitting block group through an optical fiber, and the light emitting block groups are arranged closely and neatly.

The further technical scheme of the utility model is as follows: and the bottom of each light gathering block group is provided with a filter group, and the lower end of the filter group is connected with the light emitting block group through an optical fiber.

The further technical scheme of the utility model is as follows: the light emitting block group is located right above the photovoltaic module and is arranged in parallel with the photovoltaic module.

The further technical scheme of the utility model is as follows: the photovoltaic module further comprises an external frame, and all parts of the photovoltaic module are fixed into a whole by the external frame.

The further technical scheme of the utility model is as follows: and the photovoltaic module is respectively connected with the controller and the storage battery.

The further technical scheme of the utility model is as follows: the heat conduction pipe is a heat conduction capillary pipe.

Compared with the prior art, the utility model has the following characteristics:

sunlight is condensed by the condensing lens group and then irradiates the condensing block group, the filter group is arranged at the lower end of the condensing block group, far infrared rays in high-intensity illumination after condensation are filtered, and the remaining short-wave spectrum is transmitted by the optical fiber and enters the light-emitting block group to emit light to irradiate the photovoltaic module; the usage amount of the photovoltaic module required by unit generating capacity is reduced, and the cost is reduced; after the temperature of the residual light is increased on the photovoltaic module, the temperature of the photovoltaic module is reduced due to the internal installation of the cooling module, and the power generation efficiency is also improved.

The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Detailed Description

Example 1

As shown in fig. 1, a light-guiding photovoltaic power generation system based on efficient cooling includes a light-gathering and light-guiding module, a photovoltaic module, and a cooling module;

the light condensing and guiding assembly comprises a plurality of light condensing lens groups 11, a light condensing block group 13 is arranged at the focusing position of each light condensing lens group 11, the light condensing block group 13 is connected with the light emitting block group 12 through an optical fiber 15, and the light emitting block groups 12 are arranged closely and neatly. In order to filter, the light condensed by the light is focused on the far infrared rays of the light condensing block group 3, a filter group 14 is arranged at the bottom of each light condensing block group 13, the lower end of the filter group 14 is connected with the upper end of an optical fiber 15, and the lower end of the optical fiber 15 is connected with the upper end of a light emitting block group 12.

The cooling assembly comprises a heat conduction pipe 31, a cooling water tower 32 and a circulating water pump 33, preferably, the heat conduction pipe 31 is a heat conduction capillary tube, the inside of the heat conduction pipe 31 is filled with cooling water, a cooling water outlet of the heat conduction pipe 31 is connected with an inlet of the cooling water tower 32, an outlet of the cooling water tower 32 is connected with an inlet of the circulating water pump 33, and an outlet of the circulating water pump 33 is connected with an inlet of the heat conduction capillary tube 31.

The photovoltaic module comprises an upper glass plate 21, an upper EVA adhesive film 22, a battery piece 23, a lower EVA adhesive film 24 and a lower glass plate 25; the upper glass plate 21, the upper EVA adhesive film 22, the battery piece 23, the lower EVA adhesive film 24 and the lower glass plate 25 are sequentially arranged from top to bottom, and the heat conduction pipe 31 is located between the lower EVA adhesive film 24 and the lower glass plate 25, so that cooling water flowing in the heat conduction pipe 31 can cool the photovoltaic module. The outer frame 26 is arranged outside the photovoltaic module, and each part of the photovoltaic module and the heat conduction pipe 31 are fixed into a whole by the outer frame 26.

Preferably, the light emitting block group 12 is located right above the photovoltaic module and parallel to the photovoltaic module, and the concentrated illumination is conducted through the optical fiber 15 and finally received by the photovoltaic module.

Preferably, the photovoltaic module is respectively connected with the controller and the storage battery (not shown in the figure).

When the photovoltaic power generation device works, sunlight irradiates the surface of the condensing lens group 11, is condensed and then is irradiated and gathered at the upper end of the condensing block group 13, far infrared rays are filtered out through the filter group 14, and the remaining short-wave spectrum is transmitted through the optical fiber 15 and enters the light emitting block group 12 to emit light to irradiate the photovoltaic component, so that the power generation process is completed. Meanwhile, the circulating water pump 33 works, the cooling water flows along the arrow direction in fig. 1, and the heat of the light emitting component is taken away by the cooling water in the heat conduction pipe 31 because the heat conduction pipe 31 is positioned at the lower end of the lower EVA adhesive film, so that the inside of the light emitting component is cooled.

The solar photovoltaic module has the advantages that sunlight is condensed by the condensing lens group 11 and then irradiates the condensing block group 13, the filter group 14 is arranged at the lower end of the condensing block group 13, far infrared rays in high-intensity illumination after condensation are filtered, the remaining short-wave spectrum is transmitted by the optical fiber 15 and enters the light-emitting block group 12 to emit light to irradiate the photovoltaic module, and compared with the existing photovoltaic module directly irradiated by illumination, the solar photovoltaic module has stronger illumination intensity, greatly increases the illumination received by the photovoltaic module in unit area, increases the generated energy and improves the generating efficiency of the unit; the usage amount of the photovoltaic module required by unit generating capacity is reduced, and the cost is reduced; after the temperature of the residual light is increased on the photovoltaic module, the temperature of the photovoltaic module is reduced due to the internal installation of the cooling module, and the power generation efficiency is also improved.

The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Claims

1. The utility model provides a leaded light photovoltaic power generation system based on high-efficient cooling which characterized in that: the device comprises a light-gathering and light-guiding assembly, a photovoltaic assembly and a cooling assembly;

the light-gathering and light-guiding assembly gathers sunlight and irradiates the photovoltaic assembly;

the photovoltaic module converts the irradiated light into electric energy;

the cooling subassembly can cool down photovoltaic module, and it includes heat pipe (31), cold water tower (32) and circulating water pump (33) of going, cold water tower (32) both ends are connected heat pipe (31) export and circulating water pump (33) one end respectively, and circulating water pump (33) other end is connected with heat pipe (31) entry.

2. A light-guiding photovoltaic power generation system based on efficient cooling according to claim 1, characterized in that: the photovoltaic module comprises an upper glass plate (21), an upper EVA adhesive film (22), a battery piece (23), a lower EVA adhesive film (24) and a lower glass plate (25); the upper glass plate (21), the upper EVA adhesive film (22), the battery piece (23), the lower EVA adhesive film (24) and the lower glass plate (25) are sequentially arranged from top to bottom, and the heat conduction pipe (31) is located between the lower EVA adhesive film (24) and the lower glass plate (25).

3. A light-guiding photovoltaic power generation system based on efficient cooling according to claim 1, characterized in that: the light condensing and guiding assembly comprises a plurality of light condensing lens groups (11), a light condensing block group (13) is arranged at the focusing position of each light condensing lens group (11), the light condensing block group (13) is connected with the light emitting block group (12) through an optical fiber (15), and the light emitting block groups (12) are arranged closely and neatly.

4. A light-guiding photovoltaic power generation system based on efficient cooling according to claim 3, characterized in that: the bottom of each light-gathering block group (13) is provided with a filter group (14), and the lower end of the filter group (14) is connected with the light-emitting block group (12) through an optical fiber (15).

5. A light-guiding photovoltaic power generation system based on efficient cooling according to claim 3, characterized in that: the light emitting block group (12) is located right above the photovoltaic module and is arranged in parallel with the photovoltaic module.

6. A light-guide photovoltaic power generation system based on efficient cooling according to claim 2, characterized in that: the photovoltaic module also comprises an outer frame (26), and all parts of the photovoltaic module are fixed into a whole by the outer frame (26).

7. A light-guide photovoltaic power generation system based on efficient cooling according to claim 2, characterized in that: and the photovoltaic module is respectively connected with the controller and the storage battery.

8. A light-guiding photovoltaic power generation system based on efficient cooling according to claim 1, characterized in that: the heat conduction pipe (31) is a heat conduction capillary tube.