CN209982443U - Solar photovoltaic photo-thermal comprehensive utilization device - Google Patents
Solar photovoltaic photo-thermal comprehensive utilization device Download PDFInfo
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- CN209982443U CN209982443U CN201921228233.1U CN201921228233U CN209982443U CN 209982443 U CN209982443 U CN 209982443U CN 201921228233 U CN201921228233 U CN 201921228233U CN 209982443 U CN209982443 U CN 209982443U
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- heat
- porous metal
- heat exchange
- utilization device
- comprehensive utilization
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
Abstract
The utility model discloses a solar photovoltaic photo-thermal comprehensive utilization device, which comprises a solar cell panel; the solar cell panel comprises toughened glass, an upper packaging layer, a solar cell, a lower packaging layer and a first heat collecting plate which are sequentially stacked from top to bottom; the lower part of the first heat collecting plate is bonded with a plurality of porous metal heat exchange flat tubes through heat conducting glue; the lower parts of the porous metal heat exchange flat tubes are provided with heat insulation layers; a plurality of rectangular fluid channels are arranged inside the porous metal heat exchange flat tube; and back frames are arranged on the lower surface of the heat-insulating layer, the peripheral side surface of the whole device and the edge of the upper surface of the toughened glass. The utility model provides a flat pipe of porous metal heat transfer is adopted to the heat-transfer pipe, and inside is provided with a plurality of fluid rectangle passageways, through this design, has improved the thermal-arrest efficiency of photovoltaic light and heat integrated utilization device to can effectively reduce solar cell's operating temperature, improve photovoltaic power generation efficiency.
Description
Technical Field
The utility model relates to a solar photovoltaic light and heat comprehensive utilization technical field, in particular to solar photovoltaic light and heat comprehensive utilization device.
Background
Under the influence of the fossil energy crisis and the environmental pollution problem, the development and utilization of new energy becomes a research hotspot of scholars. Among them, the utilization and popularization of clean energy such as solar energy is an effective method for alleviating resource shortage and solving environmental problems. In recent years, solar photovoltaic photo-thermal comprehensive utilization technology is rapidly developed. The solar photovoltaic photo-thermal comprehensive utilization technology combines a photovoltaic power generation technology and a heat collection technology, can obtain electric energy, can recycle heat stored in a photovoltaic cell, and has dual functions of photovoltaic power generation and heat collection. The technology can improve the utilization efficiency of solar energy and meet the requirements of life and production of people.
For the solar energy projected on the solar cell panel, only the solar energy in a certain spectral range can generate a photoelectric effect, only 6% -15% of the solar energy can be converted into electric energy actually, more than 85% of the solar energy can be converted into heat energy, one part of the heat energy is discharged to the ambient environment, and the other part of the heat energy is used for increasing the working temperature of the photovoltaic cell, so that the photoelectric conversion efficiency is reduced. Research shows that the power generation efficiency of the crystalline silicon battery is reduced by 0.3-0.5% when the working temperature of the crystalline silicon battery is increased by 1 ℃.
In the solar photovoltaic photo-thermal comprehensive utilization device in the prior art, the heat transfer path is mainly heat conduction between the heat collection plate and the heat transfer pipe, but the heat transfer efficiency and the heat collection efficiency are lower due to small heat transfer area and larger thermal resistance at the bonding or welding part.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a solar photovoltaic light and heat comprehensive utilization device, its heat transfer efficiency and heat collection efficiency are higher.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a solar photovoltaic photo-thermal comprehensive utilization device comprises a solar cell panel; the solar cell panel comprises toughened glass, an upper packaging layer, a solar cell, a lower packaging layer and a first heat collecting plate which are sequentially stacked from top to bottom; the lower part of the first heat collecting plate is bonded with a plurality of porous metal heat exchange flat tubes through heat conducting glue; the lower parts of the porous metal heat exchange flat tubes are provided with heat insulation layers; a plurality of rectangular fluid channels are arranged inside the porous metal heat exchange flat tube; and back frames are arranged on the lower surface of the heat-insulating layer, the peripheral side surface of the whole device and the edge of the upper surface of the toughened glass.
Furthermore, 3-5 fluid rectangular channels are arranged in a single porous metal heat exchange flat tube.
Furthermore, the porous metal heat exchange flat tube is made of copper or aluminum.
Furthermore, a second heat collecting plate is arranged between the heat insulating layer and the plurality of porous metal heat exchange flat tubes.
Further, the first heat collecting plate and the second heat collecting plate are made of metal thin plates.
Furthermore, the heat exchange medium in the porous metal heat exchange flat tube is liquid water, and a water inlet and a water outlet of the heat exchange medium are positioned on the front and rear opposite sides of the porous metal heat exchange flat tube; the flowing directions of the liquid water in the plurality of the fluid rectangular channels are the same.
Compared with the prior art, the beneficial effects of the utility model are that:
the heat transfer pipe in the utility model adopts the porous metal heat transfer flat pipe, and a plurality of fluid rectangular channels are arranged inside the heat transfer pipe, through the design, the contact area between the porous metal heat transfer flat pipe and the first heat collecting plate is large, and compared with the traditional round copper pipe, the heat transfer pipe is not only more easily and tightly fixed on the first heat collecting plate, but also the contact thermal resistance with the first heat collecting plate is reduced, thereby being more beneficial to the heat transfer; utilize the utility model provides a solar photovoltaic light and heat comprehensive utilization device of flat preparation of porous metal heat transfer has improved photovoltaic light and heat comprehensive utilization device's collecting efficiency to can effectively reduce solar cell's operating temperature, improve photovoltaic power generation efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-toughened glass, 2-an upper packaging layer, 3-a solar cell, 4-a lower packaging layer, 5-a first heat collecting plate, 6-a porous metal heat exchange flat tube, 7-a heat insulating layer, 8-a second heat collecting plate, 9-a back basket and 6 a-a fluid rectangular channel.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, a solar photovoltaic photo-thermal comprehensive utilization device comprises a solar panel; the solar cell panel comprises toughened glass 1, an upper packaging layer 2, solar cells 3, a lower packaging layer 4 and a first heat collecting plate 5 which are sequentially stacked from top to bottom; the lower part of the first heat collecting plate 5 is bonded with a plurality of porous metal heat exchange flat tubes 6 through heat conducting glue; the lower parts of the porous metal heat exchange flat tubes 6 are provided with heat insulation layers 7; a plurality of fluid rectangular channels 6a are arranged inside the porous metal heat exchange flat tube 6; and a back frame 9 is arranged on the lower surface of the heat-insulating layer 7, the peripheral side surface of the whole device and the edge of the upper surface of the toughened glass 1. The specification and size of the flat porous metal heat exchange tube 6 in the embodiment are set to be 16mm multiplied by 3 mm.
Specifically, 3-5 fluid rectangular channels 6a are arranged in a single flat porous metal heat exchange tube 6. Shown in fig. 1 are 4 flow rectangular channels 6a, the width of a single flow rectangular channel 6a being 3.35 mm.
Specifically, the porous metal heat exchange flat tube 6 is made of copper or aluminum.
Specifically, a second heat collecting plate 8 is arranged between the heat insulating layer 7 and the plurality of porous metal heat exchange flat tubes 6.
Specifically, the first heat collecting plate 5 and the second heat collecting plate 8 are made of a thin metal plate.
Specifically, the heat exchange medium in the porous metal heat exchange flat tube 6 is liquid water, and a water inlet and a water outlet of the heat exchange medium are positioned on the front and rear opposite sides of the porous metal heat exchange flat tube 6; the flow direction of the liquid water in the plurality of fluid rectangular channels 6a is the same. By adopting the design mode, the heat exchange medium flows through the rectangular fluid channels 6a in a parallel flowing mode and then converges and flows out, so that the heat can be quickly taken away, the working temperature of the solar cell is effectively reduced, and the photovoltaic power generation efficiency is improved.
The utility model discloses a theory of operation:
when the heat collector works, the temperature of the first heat collecting plate 8 is increased after solar radiation which is not converted into electric energy is absorbed, and heat is transferred to the porous metal heat exchange flat tube 6 through heat conducting glue; the porous metal heat exchange flat tube 6 has better heat transfer performance, and heat exchange media quickly take away heat through the fluid rectangular channel 6a in the parallel porous metal heat exchange flat tube 6; utilize the utility model provides a solar photovoltaic light and heat comprehensive utilization device has improved photovoltaic light and heat comprehensive utilization device's collecting efficiency to can effectively reduce solar cell's operating temperature, improve photovoltaic power generation efficiency.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (6)
1. A solar photovoltaic photo-thermal comprehensive utilization device comprises a solar cell panel; the solar cell panel comprises toughened glass (1), an upper packaging layer (2), a solar cell piece (3), a lower packaging layer (4) and a first heat collecting plate (5) which are sequentially stacked from top to bottom; the method is characterized in that: the lower part of the first heat collecting plate (5) is bonded with a plurality of porous metal heat exchange flat tubes (6) through heat conducting glue; the lower parts of the porous metal heat exchange flat tubes (6) are provided with heat insulation layers (7); a plurality of rectangular fluid channels (6a) are arranged in the porous metal heat exchange flat tube (6); and a back frame (9) is arranged on the lower surface of the heat-insulating layer (7), the peripheral side surface of the whole device and the edge of the upper surface of the toughened glass (1).
2. The solar photovoltaic photo-thermal comprehensive utilization device of claim 1, characterized in that: 3-5 fluid rectangular channels (6a) are arranged in the single porous metal heat exchange flat tube (6).
3. The solar photovoltaic photo-thermal comprehensive utilization device of claim 1, characterized in that: the porous metal heat exchange flat tube (6) is made of copper or aluminum.
4. The solar photovoltaic photo-thermal comprehensive utilization device of claim 1, characterized in that: and a second heat collecting plate (8) is arranged between the heat insulating layer (7) and the plurality of porous metal heat exchange flat tubes (6).
5. The solar photovoltaic photo-thermal comprehensive utilization device of claim 4, characterized in that: the first heat collecting plate (5) and the second heat collecting plate (8) are both made of metal thin plates.
6. The solar photovoltaic photo-thermal comprehensive utilization device according to any one of claims 1 to 5, characterized in that: the heat exchange medium in the porous metal heat exchange flat tube (6) is liquid water, and a water inlet and a water outlet of the heat exchange medium are positioned on the front and back opposite sides of the porous metal heat exchange flat tube (6); the flowing directions of the liquid water in the plurality of fluid rectangular channels (6a) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228233.1U CN209982443U (en) | 2019-07-31 | 2019-07-31 | Solar photovoltaic photo-thermal comprehensive utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228233.1U CN209982443U (en) | 2019-07-31 | 2019-07-31 | Solar photovoltaic photo-thermal comprehensive utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209982443U true CN209982443U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921228233.1U Expired - Fee Related CN209982443U (en) | 2019-07-31 | 2019-07-31 | Solar photovoltaic photo-thermal comprehensive utilization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420035A (en) * | 2022-08-02 | 2022-12-02 | 华北理工大学 | Photovoltaic and photothermal integration-based wind-solar energy storage comprehensive energy system and control method |
-
2019
- 2019-07-31 CN CN201921228233.1U patent/CN209982443U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420035A (en) * | 2022-08-02 | 2022-12-02 | 华北理工大学 | Photovoltaic and photothermal integration-based wind-solar energy storage comprehensive energy system and control method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20210731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |