CN205123682U - Novel photovoltaic light and heat integration subassembly - Google Patents

Novel photovoltaic light and heat integration subassembly Download PDF

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Publication number
CN205123682U
CN205123682U CN201520929199.6U CN201520929199U CN205123682U CN 205123682 U CN205123682 U CN 205123682U CN 201520929199 U CN201520929199 U CN 201520929199U CN 205123682 U CN205123682 U CN 205123682U
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CN
China
Prior art keywords
vacuum
glass tube
heat
photovoltaic cell
heat exchange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201520929199.6U
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Chinese (zh)
Inventor
赵芳
程道来
蔡萌
胡惠敏
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Shanghai Institute of Technology
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Shanghai Institute of Technology
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Priority to CN201520929199.6U priority Critical patent/CN205123682U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/60Thermal-PV hybrids

Abstract

The utility model discloses a novel photovoltaic light and heat integration subassembly, it includes: the photovoltaic cell piece, including the multirow, multirow photovoltaic cell piece interval sets up, U type heat exchange tube group spare is provided with import of endothermic medium and the export of heat absorption medium, set up in the below of photovoltaic cell piece, and including a plurality of U type heat exchange tubes, the parallelly connected and/or series connection of a plurality of U type heat exchange tubes, glass tube with vacuum including a plurality of, sets up in the below of photovoltaic cell piece, and is located between the clearance of two rows of adjacent photovoltaic cell pieces, and the U type heat exchange tube of the clearance of two row adjacent photovoltaic cell pieces below sets up in glass tube with vacuum. The utility model discloses a novel photovoltaic light and heat integration subassembly, through the photovoltaic cell piece and set up the glass tube with vacuum between the photovoltaic cell piece clearance absorb simultaneously solar radiation can, improved the solar energy utilization ratio.

Description

A kind of Novel photovoltaic light-heat integration assembly
Technical field
The utility model relates to solar energy optical-thermal field of photovoltaic technology, particularly a kind of Novel photovoltaic light-heat integration assembly.
Background technology
Solar energy is as a kind of regenerative resource received much attention, and its novel application technology and form are current study hotspots always.Find in the photovoltaic application of reality, under reference condition, solar energy crystal silicon battery conversion efficiency is about 12% ~ 17%, namely nearly about 80% energy of solar energy be irradiated on battery surface will transform into heat energy, for silion cell, working temperature often raises 10 DEG C, photoelectric conversion efficiency declines 6% ~ 8%, is therefore necessary to take measures to lower the temperature to photovoltaic panel, is recycled by waste heat simultaneously.And photovoltaic and photothermal solar integrated technique is combined with collector arrangement by photovoltaic module, produce electricity, heat two kinds of energy gains simultaneously, improve the comprehensive utilization ratio of solar energy.
Current photovoltaic and photothermal solar integrated technique mainly concentrates on the solar photovoltaic cell panel back side and lays various forms heat exchanger tube, by the heat convection of fluid in heat exchanger tube to reduce battery temperature, and this part heat energy is used, but the defect that heat generating temperature is not high, energy grad is low and efficiency of utilization is low that ubiquity utilizes.
Utility model content
The utility model is for above-mentioned problems of the prior art, a kind of Novel photovoltaic light-heat integration assembly is proposed, by arranging glass tube with vacuum at photovoltaic cell gap location, improving utilization efficiency of heat energy, solving the problem that prior art heat generating temperature is not high, heat utilization efficiency is low.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solution:
The utility model provides a kind of Novel photovoltaic light-heat integration assembly, and it comprises: photovoltaic cell, comprises many rows, and many described photovoltaic cell intervals of row are arranged;
U heat exchange assembly, is provided with heat-absorbing medium import and heat-absorbing medium outlet; Be arranged at the below of described photovoltaic cell, and comprise multiple U heat exchange, multiple described U heat exchange is in parallel and/or connect;
Glass tube with vacuum, comprises multiple, is arranged at the below of described photovoltaic cell, and between the gap of the described photovoltaic cell of adjacent two row, the described U heat exchange below the gap of the described photovoltaic cell of adjacent two row is arranged in described glass tube with vacuum.
Preferably, the gap between the described photovoltaic cell of adjacent two row is more than or equal to the radius of described glass tube with vacuum, and is less than or equal to the diameter of described glass tube with vacuum, effective daylighting area of glass tube with vacuum is maximized, improves heat utilization efficiency further.
Preferably, the central axis of described glass tube with vacuum and the plane parallel at described photovoltaic cell place.
Preferably, described glass tube with vacuum comprises glass outer vestlet and inner layer glass tube, is vacuum layer between described glass outer vestlet and described inner layer glass tube.
Preferably, the selective absorber coatings of the outer surface of described inner layer glass tube.
Preferably, the mouth of pipe of described glass tube with vacuum is provided with pipe close, reduces the heat loss of glass tube with vacuum further.
Preferably, the outer surface of described U heat exchange is provided with fin, can enhanced heat exchange further.
Preferably, also comprise: two transparent glass cover plates, described photovoltaic cell, between two described transparent glass cover plates, further, is fixed by packaging adhesive film between described photovoltaic cell and described transparent glass cover plate.
Preferably, also comprise: casing assembly, be arranged at the outside of described photovoltaic and photothermal integral assembly; The described light transmission glass plate of described casing assembly and described glass tube with vacuum side forms closed cavity; Further, phase-change thermal storage medium is filled with in described cavity.Casing assembly and light transmission glass plate form closed cavity, can reduce scattering and disappearing of heat further; Further, phase-change thermal storage medium can be filled in the cavities, the heat energy distributed by the sun the subject of knowledge and the object of knowledge that daytime, photovoltaic cell absorbed is that latent heat is stored in phase-change and energy-storage medium, is out absorbed by the heat-absorbing medium in U heat exchange by thermal release, improve heat utilization efficiency further at night.
Preferably, heat-absorbing medium first flows through the U heat exchange outside described glass tube with vacuum, then flows through the U heat exchange in described glass tube with vacuum.
Compared to prior art, the utility model has the following advantages:
(1) the Novel photovoltaic light-heat integration assembly that provides of the utility model, glass tube with vacuum is arranged at the gap location of photovoltaic cell, photovoltaic cell and glass tube with vacuum simultaneously stability solar radiant energy, U heat exchange is laid below photovoltaic cell, the heat that cell piece distributes by the heat-absorbing medium circulated in pipe is taken away, and keeps higher photoelectric conversion efficiency;
(2) photovoltaic and photothermal integral assembly of the present utility model, heat-absorbing medium is set and first flows through U-shaped photo-thermal pipe immediately below photovoltaic cell, and then heated further in the U heat exchange entering in glass tube with vacuum, improve the outlet temperature of heat-absorbing medium, improve heat energy utilization quality and comprehensive utilization ratio;
(3) casing assembly and light transmission glass plate form closed cavity, fill phase-change thermal storage medium in cavity, also can make full use of the solar energy that daytime absorbs, further increase heat utilization efficiency at night;
(4) photovoltaic and photothermal integral modular construction of the present utility model is compact, and fabrication and installation are simple and convenient.
Certainly, implement arbitrary product of the present utility model might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, execution mode of the present utility model is described further:
Fig. 1 is the structural representation of solar energy photovoltaic light-heat integration assembly of the present utility model;
Fig. 2 is that the master of solar energy photovoltaic light-heat integration assembly of the present utility model looks sectional view;
Fig. 3 is the top cross-sectional view of solar energy photovoltaic light-heat integration assembly of the present utility model.
Label declaration: 1-photovoltaic cell, 2-U type heat exchange tube assemblies, 3-glass tube with vacuum, 4-casing assembly;
11-transparent glass substrate, 12-transparent glass substrate;
21-first U heat exchange, 22 second U heat exchange, the import of 23-heat-absorbing medium, 24-heat-absorbing medium exports, 25-dividing plate;
31-pipe close;
41-header, 42-metal edge frame, the holder of 43-tail;
421-heat-insulation layer.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
Composition graphs 1-Fig. 3, photovoltaic and photothermal integral assembly of the present utility model is described in detail, be illustrated in figure 1 its structural representation, Figure 2 shows that its master looks sectional view, Figure 3 shows that its top cross-sectional view, it comprises: photovoltaic cell 1, U heat exchange assembly 2, glass tube with vacuum 3 and casing assembly 4, photovoltaic and photothermal sheet comprises many rows, the present embodiment is for four rows, there is certain gap photovoltaic cell 1 between adjacent two rows is arranged between two transparent glass substrates 11 and 12, front is attached at the lower surface of transparent glass substrate 11 by packaging adhesive film, the back side is attached at the upper surface of transparent glass substrate 12 by packaging adhesive film, U heat exchange assembly 2 is placed in the below of photovoltaic cell 1, comprise: the U heat exchange of parallel connection and/or series connection, whether be arranged in glass tube with vacuum 3 called after first U heat exchange 21 and the second U heat exchange 22 respectively according to it, be provided with a heat-absorbing medium import 23 and heat-absorbing medium outlet 24, glass tube with vacuum 3 is arranged at the below of photovoltaic and photothermal sheet 1, and it arranges the below in the gap between photovoltaic cells 1 adjacent two, casing assembly 4 comprises: header 41, metal edge frame 42 and tail holder 43, in the present embodiment, header 41 is arranged on the openend of U heat exchange, tail holder 4 is arranged on the blind end of U heat exchange, metal edge frame 42 is arranged on surrounding, and the light transmission glass plate of header 41, metal edge frame 42, tail holder 43 and below forms closed cuboid cavity.U heat exchange assembly 2 and glass tube with vacuum 3 are all arranged in cavity, and airtight cavity can reduce the loss of heat.For arranging the circulation duct of heat-absorbing medium in header 41, for arranging the terminal box of photovoltaic and photothermal sheet in tail holder 43.
In the present embodiment, in order to reach better endothermic effect, and in order to make tactical rule, the row that photovoltaic and photothermal sheet 1 forms are vertical with the horizontal center line axis of tail holder 43 with header 41, as shown in Figure 1; The central axis of U heat exchange and the central axis of glass tube with vacuum 3 all with transparent glass substrate-parallel, as shown in Figure 2.
As shown in Figure 3, parallel with one another between the first U heat exchange 21, parallel with one another between the second U heat exchange 22, mutually connect between the first adjacent U heat exchange 21 and the second U heat exchange 22; Heat-absorbing medium first flows through the first U heat exchange 21 be positioned at immediately below photovoltaic cell 1, absorb the heat that photovoltaic cell 1 distributes, and then flow through the second U heat exchange 22 being arranged in glass tube with vacuum 3, absorb the solar radiant heat in glass tube with vacuum 3, the temperature of heat-absorbing medium is raised further.
In the present embodiment, in order to make structure more stable, be provided with dividing plate 25 between adjacent U heat exchange, make the relative position between each U heat exchange constant, the structure of whole device is more stable.
In the present embodiment, in order to reach better heat utilization efficiency, making heat loss slower, the openend of glass tube with vacuum 3 is provided with pipe close 31; The inner surface of metal edge frame 42 is also pasted with heat-insulation layer 421, reduces the loss of heat further, improves heat utilization efficiency.
In preferred embodiment, in order to enhanced heat exchange, fin can be set on the surface of U heat exchange.
In preferred embodiment, glass tube with vacuum 3 comprises two-layer, is respectively glass outer vestlet and inner layer glass tube, inside and outside two-layer between be vacuum layer, the outer surface of inner layer glass tube is coated with coating for selective absorption, makes heat absorption capacity better.
In preferred embodiment, in order to make effective daylighting area of glass tube with vacuum 3 reach maximization, the radius two that the row clearance distance scope of photovoltaic cell 1 should be more than or equal to glass tube with vacuum 3 is less than or equal to the diameter of glass tube with vacuum 3.
In preferred embodiment, phase-change thermal storage medium is filled in the cuboid cavity that can be formed at the transparent glass substrate 12 of header 41, metal edge frame 42, tail holder 43 and below, the converting heat that the sun the subject of knowledge and the object of knowledge that photovoltaic cell 1 on daytime absorbs can be distributed is that latent heat is stored in phase-change and energy-storage medium, when night does not have sunlight, thermal release is out absorbed by the heat-absorbing medium in U heat exchange, improve heat utilization efficiency further.
Disclosed herein is only preferred embodiment of the present utility model, and this specification is chosen and specifically described these embodiments, and being to explain principle of the present utility model and practical application better, is not to restriction of the present utility model.The modifications and variations that any those skilled in the art do within the scope of specification, all should drop in scope that the utility model protects.

Claims (10)

1. a Novel photovoltaic light-heat integration assembly, is characterized in that, comprising:
Photovoltaic cell, comprises many rows, and many described photovoltaic cell intervals of row are arranged;
U heat exchange assembly, is provided with heat-absorbing medium import and heat-absorbing medium outlet; Be arranged at the below of described photovoltaic cell, and comprise multiple U heat exchange, multiple described U heat exchange is in parallel and/or connect;
Glass tube with vacuum, comprises multiple, is arranged at the below of described photovoltaic cell, and between the gap of the described photovoltaic cell of adjacent two row, the described U heat exchange below the gap of the described photovoltaic cell of adjacent two row is arranged in described glass tube with vacuum.
2. Novel photovoltaic light-heat integration assembly according to claim 1, is characterized in that, the gap between the described photovoltaic cell of adjacent two row is more than or equal to the radius of described glass tube with vacuum, and is less than or equal to the diameter of described glass tube with vacuum.
3. Novel photovoltaic light-heat integration assembly according to claim 1, is characterized in that, the central axis of described glass tube with vacuum and the plane parallel at described photovoltaic cell place.
4. Novel photovoltaic light-heat integration assembly according to claim 1, it is characterized in that, described glass tube with vacuum comprises glass outer vestlet and inner layer glass tube, is vacuum layer between described glass outer vestlet and described inner layer glass tube.
5. Novel photovoltaic light-heat integration assembly according to claim 1, is characterized in that, the selective absorber coatings of outer surface of described glass tube with vacuum.
6. Novel photovoltaic light-heat integration assembly according to claim 1, it is characterized in that, the mouth of pipe of described glass tube with vacuum is provided with pipe close.
7. Novel photovoltaic light-heat integration assembly according to claim 1, it is characterized in that, the outer surface of described U heat exchange is provided with fin.
8. Novel photovoltaic light-heat integration assembly according to claim 1, is characterized in that, also comprise: two transparent glass cover plates, described photovoltaic cell between two described transparent glass cover plates, further,
Fixed by packaging adhesive film between described photovoltaic cell and described transparent glass cover plate.
9. Novel photovoltaic light-heat integration assembly according to claim 8, is characterized in that, also comprise: casing assembly, is arranged at the outside of described photovoltaic and photothermal integral assembly;
The described light transmission glass plate of described casing assembly and described glass tube with vacuum side forms closed cavity; Further,
Phase-change thermal storage medium is filled with in described cavity.
10. the Novel photovoltaic light-heat integration assembly according to any one of claim 1 to 9, it is characterized in that, heat-absorbing medium first flows through the U heat exchange outside described glass tube with vacuum, then flows through the U heat exchange in described glass tube with vacuum.
CN201520929199.6U 2015-11-20 2015-11-20 Novel photovoltaic light and heat integration subassembly Withdrawn - After Issue CN205123682U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520929199.6U CN205123682U (en) 2015-11-20 2015-11-20 Novel photovoltaic light and heat integration subassembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520929199.6U CN205123682U (en) 2015-11-20 2015-11-20 Novel photovoltaic light and heat integration subassembly

Publications (1)

Publication Number Publication Date
CN205123682U true CN205123682U (en) 2016-03-30

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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105356846A (en) * 2015-11-20 2016-02-24 上海应用技术学院 Novel photovoltaic photo-thermal integrated assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105356846A (en) * 2015-11-20 2016-02-24 上海应用技术学院 Novel photovoltaic photo-thermal integrated assembly
CN105356846B (en) * 2015-11-20 2017-05-17 上海应用技术大学 Photovoltaic photo-thermal integrated assembly

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 200235 Caobao Road, Shanghai, 120-121 No.

Patentee after: Shanghai Institute of Technology

Address before: 200235 Xuhui District, Caobao Road, No. 120,

Patentee before: Shanghai Institute of Technology

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160330

Effective date of abandoning: 20170517