CN214205461U

CN214205461U - Solar PV modules circulation heat abstractor

Info

Publication number: CN214205461U
Application number: CN202120120941.4U
Authority: CN
Inventors: 孟庆瑶; 杨笑琳; 刘昌通
Original assignee: Harbin University of Commerce
Current assignee: Harbin University of Commerce
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-09-14
Anticipated expiration: 2031-01-18

Abstract

A solar photovoltaic module circulating heat dissipation device belongs to the field of photovoltaic module heat dissipation devices. The utility model provides a present poor and the too high problem of cost of cooling effect to photovoltaic module's heat dissipation. The utility model discloses a shell, photovoltaic board, a pedestal, the bracing piece, the fixed plate, a water inlet, the delivery port, heat exchange tube and phase change material box, the heat exchange tube is installed in the phase change material box, install photovoltaic board and phase change material box in the shell, the terminal surface and the photovoltaic board contact of phase change material box, the lower terminal surface and the base fixed connection of shell install the fixed plate on the base, the one end and the base of bracing piece are connected, the other end and the fixed plate of bracing piece are connected, it has the water inlet to open on the lateral wall of shell, it has the delivery port to open on shell, phase change material box and the base. Through the utility model discloses a photovoltaic module circulation heat abstractor, the effectual radiating effect who improves photovoltaic module in the course of the work.

Description

Solar PV modules circulation heat abstractor

Technical Field

The utility model relates to a solar PV modules circulation heat abstractor belongs to the PV modules heat abstractor field.

Background

The solar cell is also called a solar chip or a photocell, is a photoelectric semiconductor sheet which directly generates electricity by utilizing sunlight, can output voltage instantly and generate current under the condition of a loop as long as being irradiated by the light meeting a certain illumination condition, and is called solar photovoltaic in physics, namely photovoltaic for short;

the solar cell is a device which directly converts light energy into electric energy through a photoelectric effect or a photochemical effect, the photoelectric conversion efficiency of the photovoltaic module is low at present, the average photoelectric efficiency of the photovoltaic module in practical application in China is about 10% -14%, the photoelectric efficiency of the photovoltaic module can be greatly reduced due to the increase of the working temperature of the photovoltaic module, the surface temperature of the photovoltaic module can be increased in sunshine and in the working process, the output power of the photovoltaic module can be reduced due to the increase of the surface temperature of the photovoltaic module, and the service life of the silicon crystal photovoltaic module can be reduced when the temperature of the photovoltaic module is too high, so that the research on the cooling technology of the photovoltaic module is crucial to the improvement of the photoelectric conversion efficiency of the photovoltaic module;

the existing photovoltaic module heat dissipation technology is active cooling and passive cooling, the passive cooling is convenient to install, low in manufacturing cost and mature in technology, but the cooling capacity is poor, compared with the passive cooling, the active cooling has a better cooling effect on the photovoltaic module, but the manufacturing cost is relatively high;

in view of the above, a photovoltaic module heat dissipation device with good cooling effect and low cost is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a present poor to photovoltaic module's heat dissipation cooling effect, or the too high problem of cost, to prior art not enough, the utility model discloses a "solar PV modules circulation heat abstractor". A brief summary of the present invention is provided below in order to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.

The technical scheme of the utility model:

the utility model provides a solar PV modules circulation heat abstractor, which comprises an outer shell, the photovoltaic board, a pedestal, the bracing piece, the fixed plate, a water inlet, the delivery port, heat exchange tube and phase change material box, the heat exchange tube is installed in the phase change material box, install photovoltaic board and phase change material box in the shell, the terminal surface and the photovoltaic board contact of phase change material box, the lower terminal surface and the base fixed connection of shell, install the fixed plate on the base, the one end and the base of bracing piece are connected, the other end and the fixed plate of bracing piece are connected, it has the water inlet to open on the lateral wall of shell, and a shell, it has the delivery port to open on phase change material box and the base.

Furthermore, the base is provided with a sliding groove, a protrusion is machined at one end of the supporting rod, and the supporting rod is installed on the base in a sliding mode through the cooperation of the protrusion and the sliding groove.

Furthermore, one end of the fixing plate is fixedly provided with a fixing piece, and the fixing piece is fixedly arranged on the fixing plate through a bolt.

Furthermore, a through hole is formed in the fixing sheet.

Furthermore, a positioning hole is formed in the shell, a positioning column is correspondingly formed in the base, and the positioning column is installed in a matched mode with the positioning hole.

Furthermore, a rubber sleeve is arranged on the water inlet of the shell.

The utility model has the advantages that:

through the utility model discloses a solar PV modules circulation heat abstractor has effectively solved photovoltaic module and has converted the too high problem that influences photoelectric conversion efficiency of in-process operating temperature of electric energy to the light energy, and the phase change material box has better conduction effect, along with the temperature that produces in the heat exchange tube in the phase change material box in the flow of coolant liquid can effectively reduce photovoltaic module working process, reach good cooling effect, fix phase change material box and photovoltaic board in the shell jointly, be convenient for photovoltaic module's integrative installation and in close contact with, consider from the economic nature angle, compare with present active cooling, the problem high to photovoltaic module heat abstractor's cost has been solved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a solar photovoltaic module circulation heat dissipation device;

FIG. 2 is a schematic diagram of a back structure of a solar photovoltaic module circulation heat dissipation device;

FIG. 3 is a side view of a solar photovoltaic module heat sink assembly;

FIG. 4 is a cross-sectional view of the photovoltaic panel and phase change material cartridge mounted to the housing;

FIG. 5 is a schematic view of the back structure of the housing;

FIG. 6 is a schematic view of the structure of the base;

fig. 7 is a cross-sectional view of a phase change material cartridge.

In the figure, 1-shell, 2-photovoltaic panel, 3-base, 4-support rod, 5-fixing plate, 6-water inlet, 7-fixing plate, 8-water outlet, 9-sliding groove, 10-protrusion, 11-rubber sleeve, 12-heat exchange tube, 13-positioning hole, 14-phase change material box, 15-positioning column, 16-shell body, 17-flanging

Detailed Description

In order to make the objects, solutions and advantages of the present invention more apparent, the present invention will be described with reference to the accompanying drawings. It should be understood that the description is intended to be exemplary, and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 7, and the solar photovoltaic module circulation heat dissipation device of the embodiment comprises a shell 1, a photovoltaic panel 2, a base 3, a support rod 4, a fixing plate 5, a water inlet 6, a water outlet 8, a heat exchange tube 12 and a phase-change material box 14, wherein the heat exchange tube 12 is installed in the phase-change material box 14, the photovoltaic panel 2 and the phase-change material box 14 are installed in the shell 1, the end surface of the phase-change material box 14 is in contact with the photovoltaic panel 2, the lower end surface of the shell 1 is fixedly connected with the base 3, the fixing plate 5 is installed on the base 3, one end of the support rod 4 is connected with the base 3, the other end of the support rod 4 is connected with the fixing plate 5, the water inlet 6 is formed in the side wall of the shell 1, and the water outlet 8 is formed in the shell 1, the phase-change material box 14 and the base 3; the heat exchange tube 12 is arranged in a snake shape in the phase change material box 14, the phase change material box 14 is an aluminum box body, the phase change material box 14 is filled with the phase change material, the phase change material is a nano composite phase change material, the nano composite phase change material has a good conduction effect and can effectively reduce the temperature of the photovoltaic panel 2, the shell 1 comprises a shell body 16 and a folded edge 17, the phase change material box 14 is arranged in the inner cavity of the shell body 16, the folded edge 17 is processed on the shell body 16 and used for fixing the photovoltaic panel 2, the photovoltaic panel 2 is in tight contact with the phase change material box 14, cooling liquid flows through the heat exchange tube 12, the phase change material box 14 and the photovoltaic panel 2 are jointly arranged in the shell 1 and form tight contact, when the temperature of the photovoltaic panel 2 rises, the phase change material box 14 absorbs heat generated by the photovoltaic panel 2 and exchanges heat through the cooling liquid in the heat exchange tube 12, and the cooling liquid in the heat exchange tube 12 flows circularly, the effectual heat that has reduced photovoltaic board 2 and produced has played good radiating effect, has improved photovoltaic board 2's work efficiency, and the coolant liquid gets into by water inlet 6 on the shell 1 lateral wall, is discharged by delivery port 8 to an externally mounted coolant liquid pump makes the coolant liquid play the radiating effect of circulation flow.

The second embodiment is as follows: the embodiment is described by combining fig. 1-7, and the solar photovoltaic module circulation heat dissipation device of the embodiment is characterized in that a sliding groove 9 is formed in the base 3, a protrusion 10 is processed at one end of the supporting rod 4, the supporting rod 4 is installed on the base 3 in a sliding mode through the cooperation of the protrusion 10 and the sliding groove 9, the sliding groove 9 is formed in the back of the base 3, one end of the supporting rod 4 can slide in the sliding groove 9 through the protrusion 10, so that the angle of the photovoltaic panel 2 can be adjusted, and the photovoltaic panel 2 is adjusted to the optimal angle according to the sunshine angle to improve the working efficiency of the photovoltaic panel 2.

The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 7, and the solar photovoltaic module circulation heat dissipation device of the embodiment has the advantages that the fixing plate 7 is fixedly installed at one end of the fixing plate 5, the fixing plate 7 is fixedly installed on the fixing plate 5 through the bolt, and the fixing plate 5 can be fixed on the ground through the fixing plate 7, so that the overall structure of the photovoltaic module is stabilized, and the stability of the photovoltaic module is prevented from being influenced by vibration or other reasons.

The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 to 7, and the solar photovoltaic module circulation heat dissipation device of the embodiment has a through hole formed in the fixing sheet 7, and the through hole in the fixing sheet 7 is used for fixing the fixing sheet 7 on the ground.

The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 7, and the solar photovoltaic module circulation heat dissipation device of the embodiment is characterized in that a positioning hole 13 is formed in the housing 1, a positioning column 15 is correspondingly formed in the base 3, the positioning column 15 is installed in cooperation with the positioning hole 13, and the base 3 and the housing 1 are fixedly installed through the positioning hole 13 and the positioning column 15, and the split structure is convenient to disassemble, so that when the photovoltaic panel 2 or the phase-change material box 14 is damaged, the housing 1 is only required to be disassembled from the base 3 for repair.

The sixth specific implementation mode: the embodiment is described with reference to fig. 1 to 7, and the solar photovoltaic module circulation heat dissipation device of the embodiment is characterized in that a rubber sleeve 11 is installed on a water inlet 6 of a housing 1, the rubber sleeve 11 is installed on the water inlet 6, and the rubber sleeve 11 enables a water inlet part of a phase-change material box 14 to form a completely sealed state, so that leakage of cooling liquid in an input process is prevented, and a heat dissipation effect of a photovoltaic module is prevented from being affected.

This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.

Claims

1. The utility model provides a solar PV modules circulation heat abstractor which characterized in that: the photovoltaic heat exchange device comprises a shell (1), a photovoltaic plate (2), a base (3), a support rod (4), a fixing plate (5), a water inlet (6), a water outlet (8), a heat exchange tube (12) and a phase-change material box (14), the heat exchange tube (12) is installed in the phase-change material box (14), the photovoltaic plate (2) and the phase-change material box (14) are installed in the shell (1), the end face of the phase-change material box (14) is in contact with the photovoltaic plate (2), the lower end face of the shell (1) is fixedly connected with the base (3), the fixing plate (5) is installed on the base (3), one end of the support rod (4) is connected with the base (3), the other end of the support rod (4) is connected with the fixing plate (5), the water inlet (6) is formed in the side wall of the shell (1), the water outlet (8) is formed in the phase-change material box (14) and the base (3).

2. The solar photovoltaic module circulation heat dissipation device of claim 1, wherein: the base (3) is provided with a sliding groove (9), one end of the supporting rod (4) is processed with a protrusion (10), and the supporting rod (4) is installed on the base (3) in a sliding mode through the cooperation of the protrusion (10) and the sliding groove (9).

3. The solar photovoltaic module circulation heat dissipation device of claim 1, wherein: one end fixed mounting of fixed plate (5) has stationary blade (7), and stationary blade (7) pass through bolt fixed mounting on fixed plate (5).

4. The solar photovoltaic module circulation heat dissipation device of claim 3, wherein: the fixing piece (7) is provided with a through hole.

5. The solar photovoltaic module circulation heat dissipation device of claim 1, wherein: a positioning hole (13) is formed in the shell (1), a positioning column (15) is correspondingly formed in the base (3), and the positioning column (15) is installed in a matched mode with the positioning hole (13).

6. The solar photovoltaic module circulation heat dissipation device of claim 1, wherein: and a rubber sleeve (11) is arranged on the water inlet (6) of the shell (1).