阅读说明：本技术 一种扦插式光电光热混合组件 (Cuttage formula photoelectricity light and heat mixes subassembly ) 是由 吕伟中 安兴才 周恩宇 于 2021-07-05 设计创作，主要内容包括：本发明公开了一种扦插式光电光热混合组件,涉及太阳能电热综合利用技术领域,包括单体组件和导热方管,所述单体组件包括铝基板、第一EVA膜、第二EVA膜和光电层,铝基板的上表面喷涂有太阳能专用吸热材料,所述第一EVA膜设置于所述铝基板的上表面,所述第二EVA膜设置于所述第一EVA膜的上表面,所述光电层夹设于所述第一EVA膜和第二EVA膜之间,所述光电层包括多块沿铝基板长度间隔方向分布且串联的多晶黑硅PREC电池片,所述铝基板侧部设有折弯部,所述导热方管的侧面与所述折弯部的侧面相接触,所述导热方管内填充有液体换热介质。光电、光热同时利用,具有热传导面积大、热吸收面积大、可全波段运行、光热效率高、光电效率高的特点。(The invention discloses a cutting type photoelectric photo-thermal mixing assembly, which relates to the technical field of solar electric heating comprehensive utilization and comprises a monomer assembly and a heat-conducting square tube, wherein the monomer assembly comprises an aluminum substrate, a first EVA film, a second EVA film and a photoelectric layer, a solar special heat-absorbing material is sprayed on the upper surface of the aluminum substrate, the first EVA film is arranged on the upper surface of the aluminum substrate, the second EVA film is arranged on the upper surface of the first EVA film, the photoelectric layer is clamped between the first EVA film and the second EVA film, the photoelectric layer comprises a plurality of polycrystalline black silicon PREC battery pieces which are distributed along the length direction of the aluminum substrate and are connected in series, a bending part is arranged on the side part of the aluminum substrate, the side surface of the heat-conducting square tube is contacted with the side surface of the bending part, and a liquid heat-exchanging medium is filled in the heat-conducting square tube. The photoelectric and photo-thermal utilization is realized simultaneously, and the solar photovoltaic and photo-thermal power generation device has the characteristics of large heat conduction area, large heat absorption area, full-wave-band operation, high photo-thermal efficiency and high photoelectric efficiency.)

1. The utility model provides a cuttage formula photoelectricity light and heat hybrid module, its characterized in that includes monomer subassembly and heat conduction side pipe, the monomer subassembly includes aluminium base board, first EVA membrane, second EVA membrane and photoelectricity layer, first EVA membrane set up in the upper surface of aluminium base board, the second EVA membrane set up in the upper surface of first EVA membrane, photoelectricity layer clamp is located between first EVA membrane and the second EVA membrane, photoelectricity layer includes that the polylith distributes and the polycrystal black silicon PREC battery piece of establishing ties along aluminium base board length direction, aluminium base board lateral part is equipped with the portion of bending, the side of heat conduction side pipe with the side of the portion of bending contacts, heat conduction side pipe intussuseption is filled with liquid heat transfer medium.

2. The cutting type photoelectric and photothermal hybrid module according to claim 1, wherein said single module further comprises a transparent film, said transparent film being disposed on the upper side of said second EVA film.

3. The cutting type photoelectric and photothermal hybrid module according to claim 1, wherein the upper surface of the aluminum substrate is a rough surface, and the rough surface is sprayed with a solar special heat absorbing material.

4. The cutting type photoelectric and photothermal hybrid module according to claim 1, wherein graphene heat-conducting daub is filled between the contact surfaces of the heat-conducting square tube and the bending portion.

5. The cutting type photoelectric and photothermal hybrid module according to claim 1, wherein the thickness of the aluminum substrate is 0.8-1.2 mm.

6. The cutting type photoelectric and photothermal mixing assembly according to claim 1, further comprising a plastic steel frame, wherein the plastic steel frame is rectangular, one heat-conducting square tube is arranged along each of the four sides of the plastic steel frame, a plurality of heat-conducting square tubes parallel to the long sides of the plastic steel frame and communicated with the heat-conducting square tubes located on the inner sides of the wide sides of the plastic steel frame are further arranged in the frame of the plastic steel frame, the single assembly is arranged between two adjacent parallel heat-conducting square tubes, and a tube end joint of at least one heat-conducting square tube is located on the outer side of the plastic steel frame.

7. The cutting type photoelectric and photothermal hybrid module according to claim 6, further comprising a special solar tempered glass, wherein the edge of the special solar tempered glass is fixed on the upper side of the plastic steel frame, and an air interlayer of 25mm is provided between the lower side of the special solar tempered glass and the upper side of the single component.

8. The cutting-type photoelectric and photothermal hybrid module according to claim 6, further comprising a split insulation layer disposed on the lower side of the aluminum substrate.

9. The cutting-type photovoltaic photo-thermal mixing assembly according to claim 8, further comprising an integral insulating layer disposed on the lower side of the heat-conducting square pipe and the separate insulating layer.

10. The cutting type photoelectric and photothermal mixing assembly according to claim 9, further comprising a galvanized cover plate, wherein the edge of the galvanized cover plate is fixed to the lower side of the plastic steel frame, and the integral and separate insulation layers are located between the galvanized cover plate and the single assembly.

Technical Field

The invention relates to the technical field of solar electric heating comprehensive utilization, in particular to a cuttage type photoelectric and photo-thermal hybrid assembly.

Background

The existing solar electric heating comprehensive utilization products have two types, one is that a heat pipe is grafted on the basis of a photovoltaic module to realize the electric heating comprehensive utilization of the module; the other type is that on the basis of the traditional flat plate collector, the photovoltaic cell is adhered to the heat absorption layer to realize the comprehensive utilization of heat and electricity. Both types of products cannot realize the maximum efficiency utilization of electricity and heat, and can only be selected from two, or the generated energy is increased, so that the heat utilization is reduced; or increased heat utilization, the efficiency of the power generation is greatly compromised. In addition, the existing product can only operate at about 30 ℃, and the overall electric heating efficiency is poor.

Disclosure of Invention

Therefore, the invention provides a cutting type photoelectric and photothermal mixing assembly to solve the technical problems.

In order to achieve the above purpose, the invention provides the following technical scheme:

the utility model provides a cuttage formula photoelectricity light and heat hybrid module, includes monomer subassembly and heat conduction side pipe, the monomer subassembly includes aluminium base board, first EVA membrane, second EVA membrane and photoelectricity layer, first EVA membrane set up in the upper surface of aluminium base board, the second EVA membrane set up in the upper surface of first EVA membrane, photoelectricity layer clamp is located between first EVA membrane and the second EVA membrane, photoelectricity layer includes that the polylith distributes and the polycrystal black silicon PREC battery piece of establishing ties along aluminium base board length interval direction, aluminium base board lateral part is equipped with the portion of bending, the side of heat conduction side pipe with the side of the portion of bending contacts, heat conduction side intussuseption is filled with liquid heat transfer medium.

Further, the monomer assembly further comprises a transparent film, and the transparent film is arranged on the upper side of the second EVA film.

Furthermore, the upper surface of the aluminum substrate is a rough surface, and the rough surface is sprayed with a special solar heat absorbing material.

Furthermore, graphene heat conduction daub is filled between the heat conduction square pipe and the contact surface of the bending part.

Further, the thickness of the aluminum substrate is 0.8-1.2 mm.

Further, the inserting type photoelectric and photothermal hybrid assembly further comprises a plastic steel frame, the plastic steel frame is rectangular, one heat-conducting square pipe is arranged on each of the inner sides of the four sides of the plastic steel frame, a plurality of heat-conducting square pipes which are parallel to the long side of the plastic steel frame and communicated with the heat-conducting square pipes on the inner side of the wide side of the plastic steel frame are further arranged in the frame of the plastic steel frame, the single assembly is arranged between every two parallel heat-conducting square pipes, and at least one pipe end joint of each heat-conducting square pipe is located on the outer side of the plastic steel frame.

Further, the inserted photoelectric photo-thermal hybrid module further comprises special solar toughened glass, the edge of the special solar toughened glass is fixed on the upper side of the plastic steel frame, and an air interlayer of 25mm is arranged between the lower side face of the special solar toughened glass and the upper side face of the single module.

Further, the skewer type photoelectric and photothermal hybrid module further comprises a split heat-insulating layer, and the split heat-insulating layer is arranged on the lower side face of the aluminum substrate.

Further, the formula photoelectricity light and heat hybrid module is inserted to skewer still includes whole heat preservation, whole heat preservation set up in the components of a whole that can function independently heat preservation reaches the downside of heat conduction side pipe.

Further, the inserted photoelectric photo-thermal mixing assembly further comprises a galvanized cover plate, the edge of the galvanized cover plate is fixed to the lower side of the plastic steel frame, and the integral heat-insulating layer and the split heat-insulating layer are located between the galvanized cover plate and the single assembly.

The invention has the following advantages:

1. the cuttage heat conduction structure effectively increases the heat conduction area, improves heat conduction efficiency. Each monomer assembly is used as a unit of electric heating co-production to independently generate electricity and transfer heat, the bent part on the side part of the aluminum substrate is contacted with the side surface of the heat-conducting square tube, so that the heat exchange area is effectively increased, the heat generated by the monomer assembly is transferred to the heat-conducting square tube, and a liquid heat exchange medium is also arranged in the heat-conducting square tube, so that the heat generated by the monomer assembly can be utilized, and the utilization rate of photo-thermal is improved (in the prior art, the photo-thermal assembly is not easy to utilize the heat generated by the photoelectric assembly, and the heat is wasted); moreover, the heat of the heat-conducting square pipe is taken away through the liquid heat exchange medium, and the heat of the monomer assembly is taken away through the heat-conducting square pipe, so that the temperature of the monomer assembly can be reduced, and the monomer assembly is prevented from being damaged due to overhigh temperature; heat conduction side pipe with it has graphite alkene heat conduction clay to fill between the contact surface of the portion of bending, has further increased heat exchange area, wholly promotes the electrothermal efficiency.

2. The large grid separately encapsulated aluminum-based battery pack single piece increases heat absorption. The interval is arranged between the adjacent polycrystalline black silicon PREC battery pieces of the single component, the interval is larger than that in the prior art, the interval is called as a large grid structure, the large grid can increase the sunlight absorption area of the heat absorption layer except the heat absorption layer covered by the battery pieces, the sunlight absorption can be increased, and the heat absorption capacity can be increased.

3. The heat absorption and conduction layer is arranged to improve the heat absorption and conduction efficiency. The upper surface of the aluminum substrate is roughened to form a rough surface, a special solar heat absorption material is sprayed on the rough surface to form a heat absorption layer, the EVA film has high heat conductivity, heat absorption of the monomer assembly is greatly increased, heat generated by direct illumination can be conducted to the aluminum substrate, and the heat absorption effect on sunlight is improved.

4. The all-optical band is operated. The polycrystalline black silicon PREC battery piece capable of operating in the all-optical waveband can absorb visible light, has good infrared characteristics, is low in temperature attenuation system, can continuously work at a temperature of more than 60 ℃ in a high-temperature environment, and cannot greatly reduce the power generation efficiency, so that the hybrid assembly can operate in the infrared waveband to generate extra electric quantity and heat, and the generated energy and the heat productivity are improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.

Fig. 1 is a schematic structural diagram (top view) of a cutting type photoelectric and photothermal hybrid module according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a cutting type photoelectric and photothermal hybrid module according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view (exploded view) of a single assembly of the cutting type photoelectric and photothermal hybrid assembly according to an embodiment of the present invention.

In the figure: the solar cell module comprises a 1-plastic steel frame, a 2-heat-conducting square tube, a 21-tube end connector, a 3-monomer component, a 31-aluminum substrate, a 311-bending part, a 32-first EVA film, a 33-polycrystalline black silicon PREC cell, a 34-second EVA film, a 35-transparent film, 4-special solar toughened glass, a 5-split heat insulation layer, a 6-integral heat insulation layer, a 7-galvanized cover plate and an 8-air interlayer.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

A cuttage type photoelectric photo-thermal hybrid assembly, to the defect of the prior art, carry on the screening of the photovoltaic cell, use the high-efficient, the temperature decay coefficient is low, but the black silicon PREC battery of full spectrum collection electricity and hot, make the whole system (the hybrid assembly is the important composition in the system) the working temperature different from developing on the existing market, guarantee the stable medium temperature operating environment working at about 60 duC for a long time, exchange heat with water through the secondary heat transfer medium of liquid glycerin or unfrozen liquid, the water after the heat transfer keeps above 55 duC, can be used in the life directly, such as bathe, the heating, do not need the secondary heating; the inserted internal structure is beneficial to increasing the areas of heat absorption and heat conduction; the graphene heat-conducting daub is used as filling between heat-exchanging and heat-conducting media in the gaps of the cutting structure, so that high-efficiency heat exchange is guaranteed, and the heat exchange efficiency of the assembly is improved; meanwhile, the problem of the original complex process needing welding is solved, and the difficulty and the cost of manufacturing are reduced. As shown in fig. 1 and 2, the cutting type photoelectric and photothermal hybrid module comprises a plastic steel frame, a heat-conducting square tube, a single component, a special solar tempered glass 4, a split heat-insulating layer 5, an integral heat-insulating layer 6 and a galvanized cover plate 7.

The plastic steel frame 1 is generally rectangular and comprises two long frames and two short frames.

The heat-conducting square pipe 2 is provided with a plurality of pipes. Wherein, the inner sides of the long frame and the short frame of the plastic steel frame 1 are respectively provided with one; generally, a heat-conducting square tube 2 parallel to the long frame is also arranged in the frame of the plastic steel frame 1. The heat-conducting square tubes 2 parallel to the long frame are communicated with the heat-conducting square tubes 2 parallel to the short frame. The pipe end joint 21 of at least one heat conduction square pipe 2 is located the outside of plastic steel frame 1, and heat conduction square pipe 2 is filled with liquid heat transfer medium. In the embodiment, 8 heat-conducting square tubes 2 are arranged, two of the heat-conducting square tubes are arranged along the inner side of the short frame, two of the heat-conducting square tubes are arranged along the inner side of the long frame, the remaining four heat-conducting square tubes are positioned in the frame of the plastic steel frame 1, and the distance between the parallel adjacent heat-conducting square tubes 2 is matched with the width of the single component 3; the end part of the heat-conducting square tube 2 arranged along the short frame extends out of the plastic steel frame 1 to form or is connected with a tube end joint 21; liquid glycerin or unfrozen liquid is filled in the heat-conducting square tube 2 to serve as a heat exchange medium. Heat conduction side pipe 2 is connected with heat transfer water tank (device in this application not), but the water of heatable heat transfer water tank.

As shown in fig. 3, the single assembly 3 includes an aluminum substrate 31, a first EVA film 32, a second EVA film 34, a transparent film 35, and a photovoltaic layer. The aluminum substrate 31 has a flat plate-like main body, the aluminum substrate 31 has bent portions 311 at side portions thereof, the aluminum substrate 31 has a cross section of "", and the aluminum substrate 31 has a thickness of 0.8-1.2mm, in this embodiment, the aluminum substrate 31 has a thickness of 1mm, the thickness of the aluminum substrate 31 is at least 1mm, and the thickness of the bent portions 311 of the aluminum substrate 31 may be the same as or different from the main thickness. The upper surface of the aluminum substrate 31 is roughened to form a rough surface, and the rough surface is sprayed with a special solar heat absorbing material. The EVA film is also called high thermal conductivity EVA, and has high thermal conductivity. The first EVA film 32 is disposed on the upper surface of the aluminum substrate 31, and covers the solar energy-dedicated heat absorbing material layer. The second EVA film 34 is disposed on the upper surface of the first EVA film 32, and has the same size and aligned edges. A transparent film 35 is provided on the upper surface of the second EVA film 34, transmitting light and protecting the underlying structure, typically with the edges of the light transmitting film aligned with the edges of the VEA film. The photoelectric layer is clamped between the first EVA film 32 and the second EVA film 34, the photoelectric layer comprises a plurality of polycrystalline black silicon PREC battery pieces 33 distributed along the length interval direction of the aluminum substrate 31, the edge of each polycrystalline black silicon PREC battery piece 33 is positioned within the edge of the EVA film, a larger interval is reserved between every two adjacent polycrystalline black silicon PREC battery pieces 33, and the polycrystalline black silicon PREC battery pieces 33 are connected in series. Each monomer assembly 3 independently generates electricity and transfers heat as a unit of electric heat coproduction, and is installed between two adjacent parallel heat conduction square pipes 2, the side of the bending part 311 of each monomer assembly 3 is in contact with the side of each heat conduction square pipe 2, and graphene heat conduction daub is filled between contact surfaces. In the present embodiment, the cell assembly 3 is provided with five blocks.

The special solar toughened glass 4 is positioned on the upper side of the plastic steel frame 1, and the edge of the special solar toughened glass 4 is fixed with the plastic steel frame 1. An air interlayer 8 of 20-30mm is arranged between the lower side surface of the special solar toughened glass 4 and the upper side surface of the single component 3, and in the embodiment, the air interlayer 8 is 25 mm.

The edge of the galvanized cover plate 7 is fixed on the lower side of the plastic steel frame 1, and the integral heat-insulating layer 6 and the split heat-insulating layer 5 are positioned between the galvanized cover plate 7 and the monomer component 3. The split heat insulation layer 5 is arranged on the lower side surface of the aluminum substrate 31 and is arranged in the groove or the depression of the -shaped structure. The integral heat-insulating layer 6 is arranged on the lower side surfaces of the split heat-insulating layer 5 and the heat-conducting square tube 2. The heat preservation layer is made of heat insulation materials such as foam or foamed cotton, and the heat transmission of the monomer assembly 3 and the heat conducting square pipe 2 to the galvanized cover plate 7 can be reduced.

In the prior art, a common solar photovoltaic cell is often adopted, the cell can only work in a visible light range, the optimal working temperature is 25 ℃, the actual working temperature cannot exceed 40 ℃, if the temperature is above 40 ℃ for a long time, the generating efficiency of the cell can be greatly reduced along with the rise of the temperature, and the service life of the cell can be irreversibly shortened. The polycrystalline black silicon PREC cell is adopted, the full spectrum operation can be realized, the infrared characteristic is good besides the absorption of visible light, the power generation efficiency is high, and extra electric quantity and heat can be generated; in addition, the screened polycrystalline black silicon PREC battery piece has a low temperature attenuation system, can continuously work at a temperature of more than 60 ℃ in a high-temperature environment, and does not greatly reduce the power generation efficiency.

The existing product still adopts the traditional photovoltaic module packaging mode, and the whole battery pieces are packaged together after being connected in series, and almost no gap exists between the battery pieces in front, back, left and right. In the invention, a single-row battery piece large-space large grid is independently packaged in series in the monomer component 3, and a certain gap is formed around the battery piece so as to increase the illumination area of the heat absorption layer; experimental research proves that gaps among the cells are increased, absorption of sunlight by the heat absorption layer is facilitated, and heat absorption efficiency of the whole assembly can be increased. The photovoltaic cell is integrally packaged on the heat absorption layer of the existing product, some heat absorption layers are not filled with any heat absorption material at all, some heat absorption layers are directly packaged on the heat absorption layer (such as a blue film) of the traditional heat collector, and the selected EVA is also common EVA and cannot resist high temperature. The aluminum substrate 31 selected by the invention is an aluminum alloy plate with the thickness of 1mm, and is thicker than the existing product; in addition, the front surface of the aluminum substrate 31 is roughened to increase the area for heat absorption and heat conduction, then a special solar heat absorption material (existing material) is sprayed, the aluminum substrate 31 and the power generation layer (a plurality of series-connected cells) are packaged together by adopting a high-heat-conductivity EVA material, and the surface is covered with a transparent film 35; an air layer of 25mm is arranged between the toughened glass on the surface and the transparent film 35 to ensure that the heat cannot be easily dissipated. The existing structure is that a heat conduction pipe is directly welded behind an aluminum-based power generation heat absorption layer, the heat conduction layer is large in area, the processing technology difficulty is also large, the rejection rate is extremely high, and the key is that the heat absorption layer and a heat pipe are easily subjected to cold joint to cause the reduction of heat exchange efficiency. The cutting type heat conduction structure (the mode that the heat conduction square tube 2 is contacted with the aluminum substrate 31) adopted by the invention has low processing difficulty, the novel mixed component adopts a plurality of single-row aluminum-based batteries which are tightly inserted and connected with the heat conduction tube, and the heat exchange area is large; in addition, the graphene heat-conducting daub is used as a heat transfer medium of the inserting face, so that the overall heat transfer effect is good.

The invention has the following advantages: 1. the cuttage heat conduction structure effectively increases the heat conduction area, improves heat conduction efficiency. Each monomer component 3 is used as a unit of electric heating co-production to independently generate electricity and transfer heat, the bending part 311 on the side part of the aluminum substrate 31 is contacted with the side surface of the heat-conducting square tube 2, so that the heat exchange area is effectively increased, the heat generated by the monomer component 3 is transferred to the heat-conducting square tube 2, and a liquid heat exchange medium is also arranged in the heat-conducting square tube 2, so that the heat generated by the monomer component 3 can be utilized, and the utilization rate of photo-thermal is improved (in the prior art, the photo-thermal component is not easy to utilize the heat generated by the photoelectric component, and the heat is wasted); moreover, the heat of the heat-conducting square pipe 2 is taken away through the liquid heat exchange medium, and the heat of the monomer assembly 3 is taken away by the heat-conducting square pipe 2, so that the temperature of the monomer assembly 3 can be reduced, and the monomer assembly 3 is prevented from being damaged due to overhigh temperature; the contact surface of the heat-conducting square tube 2 and the bending part 311 is filled with graphene heat-conducting daub, so that the heat exchange area is further increased, and the electric heating efficiency is integrally improved. 2. The large grid separately encapsulated aluminum-based battery pack single piece increases heat absorption. The interval between adjacent polycrystalline black silicon PREC battery pieces of the single component 3 is larger than that in the prior art, and is called as a large grid structure, the large grid can increase the sunlight absorption area of the heat absorption layer except the heat absorption layer covered by the battery pieces, can increase the sunlight absorption, and can increase the heat absorption capacity. 3. The heat absorption and conduction layer is arranged to improve the heat absorption and conduction efficiency. The upper surface of the aluminum substrate 31 is roughened to form a rough surface, a solar special heat absorption material is sprayed on the rough surface to form a heat absorption layer, the EVA film has high heat conductivity, the heat absorption of the monomer assembly 3 is greatly increased, heat generated by direct illumination can be conducted to the aluminum substrate 31, and the heat absorption effect on sunlight is improved. 4. The all-optical band is operated. The polycrystalline black silicon PREC battery piece capable of operating in the all-optical waveband can absorb visible light, has good infrared characteristics, is low in temperature attenuation system, can continuously work at a temperature of more than 60 ℃ in a high-temperature environment, and cannot greatly reduce the power generation efficiency, so that the hybrid assembly can operate in the infrared waveband to generate extra electric quantity and heat, and the generated energy and the heat productivity are improved.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.