CN216531235U

CN216531235U - Novel solar photoelectric hot plate

Info

Publication number: CN216531235U
Application number: CN202122727045.7U
Authority: CN
Inventors: 米中良
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-05-13
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a novel solar photoelectric hot plate which comprises a plate body and a frame, wherein the plate body comprises a glass plate, a photoelectric assembly and a heat collecting assembly which are sequentially arranged from top to bottom; the glass plate is made of vacuum photovoltaic glass; the photoelectric component comprises a solar cell panel group and two EVA (ethylene vinyl acetate) films, the EVA films are respectively arranged on the top surface and the bottom surface of the solar cell panel group, and the glass plate is a hollow glass plate; the heat collection assembly comprises a heat collection plate group, a heat insulation cotton layer and a bottom plate, wherein the heat collection plate group comprises a heat collection plate and a heat conduction coil pipe fixedly arranged on the bottom surface of the heat collection plate. The solar energy heat collector is simple in structure, skillfully combines the photoelectric component and the heat collection component together, realizes the photoelectric utilization and the photo-thermal utilization of solar energy while the photoelectric component generates solar energy, and simultaneously realizes two requirements of illumination and heating; and the solar cell module can absorb heat on the solar cell panel group in time, reduce the resistance and improve the photoelectric conversion efficiency of the photoelectric component.

Description

Novel solar photoelectric hot plate

Technical Field

The utility model relates to the technical field of solar energy utilization, in particular to a novel solar photoelectric hot plate.

Background

At present, the utilization of solar energy is mostly concentrated on solar photovoltaic utilization and solar photothermal utilization, wherein the most important technology in the solar photovoltaic utilization is a photovoltaic module, and the photoelectric conversion efficiency of the photovoltaic module is up to 14%. In the solar photo-thermal utilization, a solar heat collector is used for absorbing solar radiation energy and transferring heat to a heat utilization device through a heat conduction part. The photovoltaic utilization and the light and heat utilization device in reality are independently installed and used, if the photovoltaic light and the heat utilization device are required to be simultaneously used, the photovoltaic assembly and the solar heat collector are required to be independently installed, a large enough installation space is required to be provided, the solar energy resource is wasted, the temperature of the photovoltaic assembly rises when the photovoltaic assembly performs the light and heat generation, a large amount of heat is generated and can only be wasted, the photovoltaic assembly can be damaged due to overhigh temperature, the photoelectric conversion rate of the photovoltaic assembly can also be reduced, and the solar heat collector only converts the solar energy into the heat energy and cannot be effectively utilized.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a novel solar photoelectric hot plate to solve the problems that the existing technology simultaneously utilizing photoelectric light and heat has large occupied space of required devices and cannot effectively utilize solar energy resources.

In order to solve the technical problem, the utility model is realized as follows:

a novel solar photoelectric hot plate comprises a plate body and a frame coated on the edge of the plate body, wherein the plate body comprises a glass plate, a photoelectric assembly and a heat collecting assembly which are sequentially arranged from top to bottom;

the glass plate is made of hollow photovoltaic glass or vacuum photovoltaic glass;

the photovoltaic module comprises a solar cell panel group and two EVA (ethylene vinyl acetate) films, wherein one EVA film is attached to the top surface of the solar cell panel group, and the other EVA film is attached to the bottom surface of the solar cell panel group;

the heat collection assembly comprises a heat collection plate group, a heat insulation cotton layer and a bottom plate which are sequentially arranged from top to bottom, and the heat collection plate group comprises a heat collection plate and a heat conduction coil pipe fixedly arranged on the bottom surface of the heat collection plate.

And heat-conducting silica gel is arranged between the photoelectric component and the heat collecting plate group.

Wherein the glass plate is made of vacuum photovoltaic glass.

Wherein, the heat collecting plate is a metal plate.

The metal coating layer is arranged on the outer side of the heat conducting coil pipe, and the heat conducting coil pipe is a metal pipe body.

Wherein, the heat conduction coil pipe is arranged in a straight pipe array or in a snake-shaped structure.

Wherein, the heat collecting plate is connected with the heat conducting coil pipe in an integrated forming way.

Wherein, the heat conduction coil pipe is arranged in a straight pipe array.

Wherein, the cross-section of heat conduction coil pipe is square.

The utility model has the beneficial effects that:

the solar energy heat collector has a simple structure, skillfully combines the photoelectric component and the heat collecting component together, and when the photoelectric component generates solar energy, the heat collecting plate positioned below the photoelectric component collects heat on the solar cell panel group and transmits the heat to the heat utilization device through the heat conducting coil pipe, so that the photoelectric utilization and the photo-thermal utilization of the solar energy are realized, and two requirements of illumination and heating are realized; and the solar cell panel can absorb heat on the solar cell panel in time, reduce the resistance, improve the photoelectric conversion efficiency of the photoelectric component and prolong the service life of the solar cell panel. In addition, the photoelectric component and the heat collection component are integrated, the occupied area is small, the installation space is saved, the manufacturing is simple, and the large-scale popularization is facilitated.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural diagram of the present invention with the frame removed;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of a heat collection plate assembly.

Description of the reference numerals

1. A frame; 2. a glass plate; 31. a solar cell panel set; 32. a first EVA film; 33. a second EVA film; 41. a heat insulation cotton layer; 42. a base plate; 43. a heat collecting plate; 44. a heat conducting coil; 441. a first longitudinal straight tube; 442. a second longitudinal straight tube; 45. a metal cladding layer; 5. heat-conducting silica gel; 6. connecting the transverse pipes; 7. a water inlet pipe; 71. a water inlet; 8. a water outlet pipe; 81. and (7) a water outlet.

Detailed Description

The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.

As shown in fig. 1 and 2, the novel solar photoelectric hot plate of the present invention comprises a plate body and a frame 1 coated on the edge of the plate body, i.e. the frame 1 is coated on the peripheral edge of the plate body, and the edge of the plate body is sealed. The plate body comprises a glass plate 2, a photoelectric component and a heat collecting component which are sequentially arranged from top to bottom. The photoelectric assembly comprises a solar cell panel group 31 and two EVA films, wherein one EVA film is attached to the top surface of the solar cell panel group 31, the other EVA film is attached to the bottom surface of the solar cell panel group 31, the EVA film on the top surface of the solar cell panel group 31 is a first EVA film 32, and the EVA film on the bottom surface of the solar cell panel group 31 is a second EVA film 33. The glass plate 2 is made of hollow photovoltaic glass or vacuum photovoltaic glass, in the embodiment, the glass plate 2 is made of vacuum photovoltaic glass, and the glass plate 2 is attached to the top surface of the first EVA film 32. The glass plate 2 is a vacuum photovoltaic glass plate, which can enhance the heat insulation effect, prevent the heat from dissipating, and has higher light transmittance to improve the photoelectric conversion efficiency of the solar cell set 31.

The heat collecting assembly comprises a heat collecting plate group, a heat insulating cotton layer 41 and a bottom plate 42 which are sequentially arranged from top to bottom, and as shown in fig. 3, the heat collecting plate group comprises a heat collecting plate 43 and a heat conducting coil 44 fixedly arranged on the bottom surface of the heat collecting plate 43. The heat collecting plate 43 can contact the photovoltaic device with a maximum area, and absorb heat of the solar cell set 31 to the maximum extent. The heat collecting plate 43 is integrally connected with the heat conducting coil 44, or the heat conducting coil is fixedly connected with the bottom surface of the heat collecting plate 43 by welding, the heat collecting plate 43 is a metal plate, in this embodiment, the heat collecting plate 43 is integrally connected with the heat conducting coil 44, the heat conducting coil 44 is a metal tube body, the outer side of the heat conducting coil 44 is provided with a metal coating layer 45, the arrangement of the metal coating layer 45 can enhance the heat exchange efficiency, and on the other hand, the heat collecting plate 43 and the heat conducting coil can be conveniently integrally formed and manufactured, and a certain protection effect is formed on the heat conducting coil. The heat conductive coil 44 is integrally formed with the bottom surface of the heat collecting plate 43, and the heat conductive coil 44 is arranged in a straight tube array or a serpentine structure. As shown in fig. 3, in the present embodiment: the heat conducting coil 44 is in a straight tube array arrangement structure, the heat conducting coil 44 is composed of a plurality of first longitudinal straight tubes 441 and a plurality of second longitudinal straight tubes 442, and the axial directions of the first longitudinal straight tubes 441 and the second longitudinal straight tubes 442 are both parallel to the length direction of the heat collecting plate 43; the bottom surface of one side of the heat collection plate 43 in the length direction is fixedly provided with a connecting horizontal pipe 6, the bottom surface of the other side of the heat collection plate 43 in the length direction is fixedly provided with a water inlet pipe 7 and a water outlet pipe 8, and the axial directions of the water inlet pipe 7, the water outlet pipe 8 and the connecting horizontal pipe 6 are all parallel to the width direction of the heat collection plate 43; the same axial ends of the first longitudinal straight pipes 441 and the second longitudinal straight pipes 442 are communicated with the horizontal connecting pipe 6, the ends, opposite to the horizontal connecting pipe 6, of the first longitudinal straight pipes 441 are communicated with the water inlet pipe 7, and the ends, opposite to the horizontal connecting pipe 6, of the second longitudinal straight pipes 442 are communicated with the water outlet pipe 8; one axial end of the water inlet pipe 7 is provided with a water inlet 71, and the other end is closed; one axial end of the water outlet pipe 8 is provided with a water outlet 81, and the other end is closed. The axial two ends of the connecting transverse pipe 6 are sealed. The central axes of the connecting cross pipe 6, the inlet pipe 7, the outlet pipe 8, the first longitudinal straight pipe 441 and the second longitudinal straight pipe 442 are all on the same plane, which is parallel to the bottom surface of the heat collecting plate 43. The cross section of the heat conducting coil is square, that is, the cross section of the first vertical straight pipe 441 and the second vertical straight pipe 442 in the vertical axial direction is square, and the cross section of the horizontal pipe 6, the water inlet pipe 7 and the water outlet pipe 8 in the vertical axial direction is also square. The metal coating 45 is disposed outside the heat conducting coil 44, that is, the metal coating 45 is disposed outside the first longitudinal straight pipe 441 and the second longitudinal straight pipe 442. The structure of the heat conduction coil pipe of the embodiment realizes that a plurality of first longitudinal straight pipes 441 are connected in parallel, and a plurality of second longitudinal straight pipes 442 are connected in parallel, so that the flow velocity of heat conduction liquid in the heat conduction coil pipe is reduced, sufficient heat exchange is realized, the flow resistance of the heat conduction liquid is reduced, the heat loss is reduced, the heat exchange efficiency is improved, the structure machining process is simple, and the metal coating layer outside the heat conduction coil pipe and the heat collection plate are integrally formed, so that the thermal resistance can be prevented from being combined. In this embodiment, the floor 42 may be an insulated floor, and in another embodiment, the floor 42 may be a non-insulated floor. The heat conducting silica gel 5 may be disposed between the photovoltaic module and the heat collecting plate assembly, that is, the heat conducting silica gel 5 is fixedly disposed between the second EVA film 32 and the heat collecting plate 43, and can rapidly transfer the heat absorbed by the solar cell set 31 to the heat collecting plate 43. The heat insulation cotton layer 41 can be made of hard heat insulation cotton, the heat conduction coil 44 can be directly placed on the heat insulation cotton layer 41, a groove for containing the heat conduction coil 44 does not need to be additionally formed in the heat insulation cotton layer 41, and machining cost and machining difficulty are reduced. The gap between the heat insulation cotton layer 41 and the heat collection plate 43 is filled with air, and the air layer, the heat insulation cotton layer 41 and the hollow glass plate 2 are combined, so that the heat insulation performance of the plate body is realized, and the heat loss is greatly reduced.

The combined structure of the photoelectric component and the heat collecting component can realize the photo-thermal conversion efficiency of more than 80 percent while carrying out the photoelectric power generation, and has higher photo-thermal conversion efficiency than the traditional solar heat collector.

As shown in fig. 1 and 2, when the solar cell module 31 of the present invention is used, solar energy is converted into electric energy, heat is transferred to the heat collecting plate 43, heat conducting oil is filled in the heat conducting coil, and the heat conducting oil transfers the heat of the heat collecting plate 43 to the heat consuming device, so that the heat of the solar cell module is reduced, the service life of the solar cell module is prolonged, and the photoelectric conversion efficiency is improved. The glass plate 2 made of vacuum photovoltaic glass, the heat insulation cotton layer 41 and the gap arranged between the heat insulation cotton layer and the heat collection plate 43 are matched together, so that heat loss is avoided, and the utilization rate of heat is improved.

In addition, the above description is only for the preferred embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. The novel solar photoelectric hot plate is characterized by comprising a plate body and a frame coated on the edge of the plate body, wherein the plate body comprises a glass plate, a photoelectric assembly and a heat collecting assembly which are sequentially arranged from top to bottom;

2. The novel solar photoelectric hot plate as claimed in claim 1, wherein a heat-conducting silica gel is arranged between the photoelectric component and the heat collection plate group.

3. The novel solar photovoltaic-thermal panel according to claim 1, characterized in that said glass panel is made of vacuum photovoltaic glass.

4. The novel solar photoelectric hot plate as claimed in claim 1, wherein the heat collecting plate is a metal plate.

5. The novel solar photoelectric hot plate as claimed in claim 1, wherein a metal coating layer is arranged on the outer side of the heat conducting coil pipe, and the heat conducting coil pipe is a metal pipe body.

6. The novel solar photoelectric hot plate as claimed in claim 1, wherein the heat conducting coil is arranged in a straight tube array or a serpentine structure.

7. The novel solar photoelectric hot plate as claimed in claim 1, wherein the heat collecting plate is integrally connected with the heat conducting coil.

8. The novel solar photoelectric hot plate as claimed in claim 6, wherein the heat conducting coil is arranged in a straight tube array.

9. The novel solar photoelectric hot plate as claimed in claim 5, wherein the cross section of the heat conducting coil is square.