Pulsating heat pipe solar cell panel dust removal device

Abstract

The utility model discloses a pulsating heat pipe solar dust removal device, belongs to the field of pulsating heat pipe solar cell panel waste heat recovery equipment, and particularly relates to a pulsating heat pipe solar cell panel dust removal device. Comprising an aluminum alloy frame, a solar backboard, a pulsating heat pipe bundle, a fin II, a thermoelectric power generation sheet, a fin I, a wire pipeline and a fan. Through the design, heat of the solar cell panel can be effectively recovered, the thermoelectric conversion efficiency of the solar cell panel is improved, and the service life of the solar cell panel is prolonged; as an efficient heat transfer element, the pulsating heat pipe is simple in structure, light in weight and capable of rapidly achieving low-temperature waste heat recovery. The temperature difference power generation sheet can absorb and convert residual heat into electric energy for dust removal of the solar cell panel, and the service life of the solar cell panel is prolonged.

Description

Technical Field

[0001] The utility model belongs to the field of waste heat recovery equipment for pulsating heat pipe solar panels, and specifically relates to a dust removal device for pulsating heat pipe solar panels. Background Art

[0002] With the rapid development of society, human demand for energy is also increasing, especially the demand for clean energy, which has attracted extensive attention from researchers to the development and utilization of clean energy. Solar energy is a renewable clean energy and one of the important energy sources to supplement human energy needs. Photovoltaic power generation is one of the main ways to utilize solar energy, but usually only about 20% of the solar radiation falling on solar photovoltaic panels is converted into electrical energy, while most of the solar radiation is converted into heat energy, which causes the temperature of photovoltaic modules to rise, the photoelectric conversion efficiency to decrease, and even causes overheating and damage of photovoltaic panels, affecting the collection and utilization of solar energy. At the same time, when solar panels are working, due to environmental influences, there is a lot of dust on their surface. The accumulation of dust will cause sunlight to be reflected, resulting in the inability of sunlight to be absorbed by solar panels, affecting their photoelectric conversion efficiency.

[0003] The introduction of cooling technology can effectively solve the problems of increased operating temperature, reduced efficiency and shortened service life of concentrated solar cells due to increased concentration multiples. Studies have shown that the power generation efficiency of photovoltaic modules with cooling media is higher than that of photovoltaic modules without cooling media. This is because the cooling medium takes away the heat of the working solar cells, reduces their operating temperature and improves the power generation efficiency.

[0004] By using cooling technology to reduce the temperature of the solar panel backplane and recycle the heat, the energy utilization efficiency can be improved. At the same time, the energy can be used in reverse, which can effectively reduce operating costs and achieve the goal of high efficiency and energy saving.

[0005] In recent years, researchers at home and abroad have done a lot of work in the research and application of heat dissipation of solar cells. High-efficiency new cooling technology has been successfully applied to the field of solar cell heat dissipation. As the heat dissipation demand of solar cells increases, the optimization and upgrading of cooling technology will also face new challenges.

[0006] Therefore, there is an urgent need for a technology to solve the above problems in the prior art. Utility Model Content

[0007] The technical problem to be solved by the utility model is: the utility model provides a pulsating heat pipe solar dust removal device, which has the characteristics of simple structure, high cooling efficiency and green energy saving.

[0008] A pulsating heat pipe solar panel dust removal device, characterized by comprising a pulsating heat pipe bundle, fin II, a temperature difference power generation sheet, fin I, an electric wire duct and a fan;

[0009] The pulsating heat pipe bundle is arranged on the back of the solar panel, and the wire duct is arranged on the aluminum alloy frame of the solar panel; and a fan is arranged on the wire duct;

[0010] The pulsating heat pipe bundle is an internally closed bundle, including a condensing section and an evaporating section;

[0011] The branch pipes of the condensing section are on one plane, the branch pipes of the evaporating section are on another plane, and the two planes are parallel to each other;

[0012] The pipeline of the condensing section is provided with fins I, and the fins I and the pipeline are mutually perpendicular; the pipeline of the evaporating section is provided with fins II, and the fins II and the pipeline are mutually perpendicular;

[0013] The number of fin II and fin I is more than one;

[0014] The upper and lower surfaces of the temperature difference power generation sheet are respectively connected to fin II and fin I;

[0015] A conducting wire is arranged in the wire conduit, and the temperature difference power generation sheet is electrically connected to the fan through the conducting wire.

[0016] The number of the fans is more than one.

[0017] The wire duct is designed as an integral unit with the fan and is installed on the short side of the aluminum alloy frame.

[0018] The fin II and the fin I are both heat-conducting plates, on which are provided circular holes or semicircular structures that match the shape of the pipes on the pulsating heat pipe bundle.

[0019] The circular hole is arranged at the middle position of the fin II and the fin I; the semicircular structure is arranged at the edge of the fin II and the fin I.

[0020] Through the above design scheme, the utility model can bring the following beneficial effects: through the above design, the present application can effectively recover the heat of solar panels, improve the thermoelectric conversion efficiency of solar panels, and increase the service life of solar panels; the pulsating heat pipe, as a high-efficiency heat transfer element, has a simple structure and light weight, and can quickly realize low-temperature waste heat recovery; the temperature difference power generation sheet can absorb the remaining heat and convert it into electrical energy, which is used for dust removal of solar panels and increases the service life of solar panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments:

[0022] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0023] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0024] In the figure: 1-aluminum alloy frame, 2-solar back panel, 3-pulsating heat pipe bundle, 4-fin II, 5-temperature difference power generation sheet, 6-fin I, 7-wire duct, 8-fan. DETAILED DESCRIPTION

[0025] The present application is further described with reference to the accompanying drawings:

[0026] A pulsating heat pipe solar panel dust removal device, characterized by comprising a pulsating heat pipe bundle 3, fins II 4, a temperature difference power generation sheet 5, fins I 6, an electric wire duct 7 and a fan 8;

[0027] The pulsating heat pipe bundle 3 is arranged on the back of the solar panel 2, and the wire conduit 7 is arranged on the aluminum alloy frame 1 of the solar panel 2; and a fan 8 is arranged on the wire conduit 7;

[0028] The pulsating heat pipe bundle 3 is an internally closed bundle, including a condensation section 31 and an evaporation section 32;

[0029] The branch pipes of the condensing section 31 are on one plane, and the branch pipes of the evaporating section 32 are on another plane, and the two planes are parallel to each other;

[0030] The pipeline of the condensing section 31 is provided with fins I6, and the fins I6 are perpendicular to the pipeline; the pipeline of the evaporating section 32 is provided with fins II4, and the fins II4 are perpendicular to the pipeline;

[0031] The number of the fin II4 and the fin I6 is more than one;

[0032] The upper and lower surfaces of the thermoelectric power generation sheet 5 are connected to the fin II 4 and the fin I 6 respectively;

[0033] The wire conduit 7 is provided with a conducting wire, and the temperature difference power generation sheet 5 is electrically connected to the fan 8 via the conducting wire.

[0034] The number of the fans 8 is more than one.

[0035] The wire duct 7 and the fan 8 are designed as one body, and the wire duct 7 is installed on the short side of the aluminum alloy frame 1 .

[0036] The fin II 4 and the fin I 6 are both heat conducting plates, on which are provided circular holes or semicircular structures that match the shape of the pipes on the pulsating heat pipe bundle 3 .

[0037] The circular hole is arranged at the middle position of the fin II 4 and the fin I 6 ; the semicircular structure is arranged at the edge of the fin II 4 and the fin I 6 for contacting with the pulsating heat pipe bundle 3 .

[0038] During the operation of the solar panel 2, in addition to being absorbed and converted into electrical energy and reflected, most of the solar radiation energy is absorbed by the battery and converted into heat energy, causing the battery temperature to gradually increase. The increase in battery temperature will have a certain impact on the power generation conversion efficiency.

[0039] Secondly, a large amount of dust attached to the surface of the solar cell panel 2 will also have a certain impact on the solar cell panel's absorption of solar radiation.

[0040] As a pulsating heat pipe solar panel dust removal device of the utility model, the device uses a pulsating heat pipe to transfer the heat generated by the back plate of the solar panel 2 to reduce the temperature of the back plate of the solar panel 2, and at the same time uses the temperature difference power generation sheet 5 to generate electricity for reuse. The electricity generated by the temperature difference power generation sheet 5 is used for the electricity required when the fan 8 works. After the fan 8 is started, the surface of the solar panel 2 will be dusted to ensure that the solar panel 2 can absorb sunlight to the maximum extent and improve the photoelectric conversion efficiency of the solar panel 2. Compared with the existing technology, the device has the characteristics of high heat transfer efficiency, simple structure, flexible installation, no need for external force drive, and clean energy.

[0041] When the solar panel 2 starts working, the temperature of its back side will affect its power generation efficiency. Therefore, when heat is generated on the back side of the solar panel 2, the evaporation section of the pulsating heat pipe bundle 3 close to the solar panel 2 absorbs the heat and transfers it to the condensation section of the pulsating heat pipe bundle 3. Part of the heat is transferred to the condensation section and the fins II 4 for convection heat exchange with the ambient air to take away the heat, reduce the temperature of the back side of the solar panel 2, and improve the photoelectric conversion efficiency of the solar panel 2. Part of the heat is absorbed by the fins I 6 and II 4 on the pulsating heat pipe bundle 4 through the temperature difference power generation sheet, and the heat is converted into electrical energy to provide power for the fan operation.

[0042] The above description is only a preferred example of the utility model and is not intended to limit the utility model. Any equivalent or simple changes made based on the structure, features and principles of the utility model patent are included in the protection scope of the utility model patent. The technical personnel of the technical field to which the utility model belongs can make various modifications or supplements to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.

Claims

1. A pulsating heat pipe solar panel dust removal device, characterized in that: It includes a pulsating heat pipe bundle (3), fin II (4), a temperature difference power generation sheet (5), fin I (6), an electric wire duct (7) and a fan (8); The pulsating heat pipe bundle (3) is arranged on the back of the solar panel (2), and the wire duct (7) is arranged on the aluminum alloy frame (1) of the solar panel (2); and a fan (8) is arranged on the wire duct (7); The pulsating heat pipe bundle (3) is an internally closed bundle, comprising a condensation section (31) and an evaporation section (32); The branch pipes of the condensation section (31) are on one plane, and the branch pipes of the evaporation section (32) are on another plane, and the two planes are parallel to each other; The pipeline of the condensing section (31) is provided with fins I (6), and the fins I (6) are perpendicular to the pipeline; the pipeline of the evaporating section (32) is provided with fins II (4), and the fins II (4) are perpendicular to the pipeline; The number of fin II (4) and fin I (6) is more than one; The upper and lower surfaces of the temperature difference power generation sheet (5) are respectively connected to the fin II (4) and the fin I (6); A conductive wire is arranged in the wire conduit (7), and the temperature difference power generation sheet (5) is electrically connected to the fan (8) via the conductive wire.

2. The pulsating heat pipe solar panel dust removal device according to claim 1 is characterized in that: The number of the fans (8) is more than one.

3. The pulsating heat pipe solar panel dust removal device according to claim 1 is characterized in that: The wire duct (7) and the fan (8) are designed as an integral whole, and the wire duct (7) is installed on the short side of the aluminum alloy frame (1).

4. The pulsating heat pipe solar panel dust removal device according to claim 1 is characterized in that: The fin II (4) and the fin I (6) are both heat-conducting plates, on which are provided circular holes or semicircular structures that match the shape of the pipes on the pulsating heat pipe bundle (3).

5. The pulsating heat pipe solar panel dust removal device according to claim 4 is characterized in that: The circular hole is arranged at the middle position of the fin II (4) and the fin I (6); the semicircular structure is arranged at the edge of the fin II (4) and the fin I (6).

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