CN205070939U - Device is used multipurposely to plate photovoltaic light and heat with nocturnal radiation function of refrigerating - Google Patents
Device is used multipurposely to plate photovoltaic light and heat with nocturnal radiation function of refrigerating Download PDFInfo
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- CN205070939U CN205070939U CN201520866684.3U CN201520866684U CN205070939U CN 205070939 U CN205070939 U CN 205070939U CN 201520866684 U CN201520866684 U CN 201520866684U CN 205070939 U CN205070939 U CN 205070939U
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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
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Abstract
The utility model belongs to the technical field of energy utilization, in particular to device is used multipurposely to plate photovoltaic light and heat with nocturnal radiation function of refrigerating, including the open box of top surface, the thermal -arrest board, the copper pipe, collector and photovoltaic cell, the thermal -arrest board sets up in the box, cavity formation air runner between the bottom of thermal -arrest board and box, one side that is close to the bottom of box of thermal -arrest board is provided with the copper pipe, the both ends of copper pipe communicate with the collector respectively, the one end of one of them collector is stretched out and form the water inlet outside the box, the one end of another collector is stretched out and form the delivery port outside the box, one side of keeping away from the bottom of box of thermal -arrest board is provided with photovoltaic cell, the uncovered department of top surface of box covers there is all band high permeability material membrane, through being all band high permeability material membrane with the replacement of glass apron, and set up the air runner at thermal -arrest backboard face, but the implementation system is on daytime, and carry out solar energy power generation and hot water or hot -air are prepared to the thermal -arrest, radiate at night and prepare cold water or cold air.
Description
Technical field
The utility model belongs to technical field of energy utilization, particularly a kind of plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function.
Background technology
At present, the photoelectric conversion efficiency of solar photovoltaic battery component is still lower, and along with the rising of temperature, the photoelectric conversion efficiency of photovoltaic cell also can decline, thus cannot accomplish making full use of solar energy.
In recent years, photovoltaic and photothermal solar comprehensive utilization (PV/T) technology is paid close attention to widely because of its good photovoltaic and photothermal solar comprehensive utilization ratio and is studied.PV/T system effectively improves the photovoltaic and photothermal comprehensive utilization ratio of unit are; On the other hand, the heat-transfer working medium that temperature is lower flows through collecting plate and takes away heat, reduces the temperature of collecting plate and photovoltaic cell, thus improves photoelectric efficiency, the heat energy that heat-transfer working medium absorbs simultaneously also can be used, thus the utilance of raising solar energy that can be larger.The heat-transfer working medium of current PV/T system mainly contains air and two kinds, water.In prior art, the end face open-mouth of photovoltaic and photothermal solar comprehensive utilization device is set to glass cover-plate.
The research of Chinese scholars to radiation refrigeration technology starts from 20 century 70s.So-called radiation refrigeration refers to that ground object is carried out radiation heat transfer by 8 μm ~ 13 mu m wavebands of one of " atmospheric window " and the very low outer space of temperature thus reached the passive refrigeration modes of certain refrigeration.Radiation refrigeration has the advantages such as zero power consumption, no pollution, movement-less part, has positive effect to building air-conditioning cooling energy-saving and environmental protection.
Although photovoltaic and photothermal solar comprehensive utilization technique comparative maturity, due to the impact alternated round the clock, PV/T system is in idle state at night, and this greatly reduces its service efficiency; On the other hand, also there is power and cause not greatly installation cost higher in radiation refrigeration, and radiation cooling device is difficult to realize the defects such as refrigeration by day, because PV/T system and radiation cooling device are often arranged in the building roof of limited area, this also greatly reduces the utilization ratio of roof unit are.
In view of this, necessaryly provide a kind of plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function, it can in conjunction with PV/T system and radiation cooling device advantage separately, thus make up PV/T system and radiation cooling device limitation separately, can realize carrying out by day solar power generation and thermal-arrest hot water preparing or hot-air, carry out radiation refrigeration at night and produce cold water or cold air.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and a kind of plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function is provided, it can in conjunction with PV/T system and radiation cooling device advantage separately, thus make up PV/T system and radiation cooling device limitation separately, can realize carrying out by day solar power generation and thermal-arrest hot water preparing or hot-air, carry out radiation refrigeration at night and produce cold water or cold air.
To achieve these goals, the utility model adopts following technical scheme:
There is the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function, comprise the casing that end face is uncovered, collecting plate, copper pipe, collector and photovoltaic cell, described collecting plate is arranged in described casing, cavity between the bottom of described collecting plate and described casing forms air flow channel, the two ends of described air flow channel are set to air inlet and air outlet respectively, described air inlet and described air outlet are all arranged on the sidewall of described casing, the side of the bottom of the close described casing of described collecting plate is provided with copper pipe, the two ends of described copper pipe respectively with header in communication, wherein one end of a described collector stretches out in outside described casing and forms water inlet, one end of collector described in another root stretches out in outside described casing and forms delivery port, the side of the bottom away from described casing of described collecting plate is provided with photovoltaic cell, the end face open-mouth of described casing is coated with all band high permeability material membrane.
The one as the utility model with the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function is improved, described all band high permeability material membrane is set to polyethylene film, its transmitance in 0 ~ 25 mu m waveband is greater than 80%, and its transmitance in the atmospheric window wave band of the solar radiation wave band of 0.2 μm ~ 3 μm and 8 μm ~ 13 μm is 85 ~ 90%.
The one as the utility model with the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function is improved, described collecting plate is the anodic oxidation aluminium sheet that lamination has black TPT layer, and its absorptivity in 0.2 μm ~ 25 mu m wavebands and emissivity are all greater than 85%.
The one as the utility model with the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function is improved, and described black TPT layer comprises internal layer PVDF layer, PET intermediate layer and outer PVDF protective layer.Outer PVDF protective layer has good environment resistant erosiveness, and PET intermediate layer has good insulation property, and internal layer PVDF layer has good adhesive property.
The one as the utility model with the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function is improved, and described photovoltaic cell is by transparent TPT material package, and described photovoltaic cell is connected on described collecting plate by EVA is gluing.
The one as the utility model with the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function is improved, and described transparent TPT material comprises internal layer PVDF layer, PET intermediate layer and outer PVDF protective layer.
The one as the utility model with the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function is improved, the transmitance of described transparent TPT material in the solar radiation wave band of 0.2 μm ~ 3 μm is greater than 85%, and the emissivity in the atmospheric window wave band of 8 μm ~ 13 μm is greater than 80%.
The one as the utility model with the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function is improved, and described photovoltaic cell is monocrystalline silicon photovoltaic cell or polysilicon photovoltaic cells or amorphous silicon photovoltaic cell.
The one as the utility model with the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function is improved, and inside bottom surface and the madial wall of described casing are provided with heat-insulation layer.
The one as the utility model with the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function is improved, the bottom that described collecting plate is parallel to described casing is arranged, described copper pipe is distributed in the side of the bottom of the close described casing of described collecting plate by welding, described photovoltaic cell is distributed in the side of the bottom away from described casing of described collecting plate, and described copper pipe is set to some.
Relative to prior art, the utility model has following beneficial effect:
First, by setting up all band high permeability material membrane, its transmitance in the atmospheric window wave band of the solar radiation wave band of 0.2 μm ~ 3 μm and 8 μm ~ 13 μm reaches 85% ~ 90%, most of solar radiation can be made so by day to project on photovoltaic cell and collecting plate through all band high permeability material membrane, the heat of photovoltaic cell and collecting plate radiation can be dispersed in atmosphere and the outer space through all band high permeability material membrane effectively at night again.In addition, the existence of all band high permeability material membrane can also reduce the heat convection between collecting plate and external environment effectively.
Second, collecting plate front (one side away from the bottom of casing) lamination has black TPT, its absorptivity in 0.2 μm ~ 25 mu m wavebands and emissivity are all greater than 85%, this characteristic makes the overwhelming majority solar radiation projected on collecting plate by day be converted to heat energy by absorbing, and utilizes its high emissivity to freeze to atmosphere and outer space radiations heat energy at night; The area lamination on black TPT surface has photovoltaic cell, photovoltaic cell is encapsulated by transparent TPT, wherein the transmitance of transparent TPT in the solar radiation wave band of 0.2 μm ~ 3 μm is greater than 85%, emissivity in the atmospheric window wave band of 8 μm ~ 13 μm is greater than 80%, this characteristic makes most solar radiation by day can be converted to electric energy and heat energy by absorbing through projecting after transparent TPT on photovoltaic cell, and utilizes its outside irradiation space heat of high emissivity in the atmospheric window wave band of 8 μm ~ 13 μm to freeze at night.
3rd, the collecting plate back side (one side near the bottom of casing) is welded with copper pipe, and by day during hot water preparing pattern, recirculated water passes through wherein (copper pipe) and heated after taking away the solar radiation heat energy of collecting plate absorption, enters attemperater; When producing cold water pattern night, recirculated water is cooled after collecting plate transferring heat by wherein (copper pipe), enters attemperater.
4th, cavity between collecting plate and the insulation material of bottom half and side forms air flow channel, when producing hot-air pattern by day, cold air is heated after air inlet enters the solar radiation heat energy of air flow channel absorb set hot plate absorption, flow out from air outlet after becoming hot-air, for rooms or article drying etc.; When producing cold air pattern night, it is cooled after collecting plate transferring heat that hot-air enters air flow channel from air inlet, flows out after becoming cold air from air outlet, for room cooling or vegetables and fruits fresh-keeping etc.
In sum, the utility model is by replacing with all band high permeability material membrane by glass cover-plate, and set up air flow channel at the collecting plate back side, hot water preparing or hot-air while making the utility model can carry out photovoltaic generation by day, cold water or cold air can be produced again at night, efficiently solve traditional PV/T system can only generate electricity by day and heat and leave unused at night, radiation cooling device can only carry out freezing at night and limitation idle by day, overcome round the clock alternate and seasonal variations on the impact of utilization ratio of device, widen the application of solar energy heating technology and radiation refrigeration technology, there is great promotional value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the cross section view of Fig. 1.
Wherein:
1-water inlet;
2-delivery port;
3-air inlet;
4-air outlet;
5-copper pipe;
6-collector;
7-casing;
8-all band high permeability material membrane;
9-collecting plate;
10-photovoltaic cell;
11-air flow channel.
Embodiment
Below in conjunction with embodiment, the utility model and beneficial effect thereof are described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment 1
As shown in Figures 1 to 3, the plate photovoltaic photo-thermal comprehensive utilization device of what the utility model provided have nocturnal radiation refrigerating function, comprise the uncovered casing of end face 7, inside bottom surface and the madial wall of casing 7 are insulation material; Medium position in casing 7 is provided with the collecting plate 9 of the bottom surface being parallel to casing 7; collecting plate 9 has the anodic oxidation aluminium sheet of black TPT layer for lamination; its absorptivity in 0.2 μm ~ 25 mu m wavebands and emissivity are all greater than 85%, and this black TPT layer comprises internal layer PVDF layer, PET intermediate layer and outer PVDF protective layer.In the present embodiment, black TPT is pressed in the front (one side away from the bottom of casing 1) of collecting plate 9 layer by layer; Cavity between the side of the bottom of the close casing 7 of collecting plate 9 and casing 1 forms air flow channel 11, and one end of air flow channel 11 is air inlet 3, and the other end is air outlet 4, and air inlet 3 and air outlet 4 are arranged on the sidewall of casing 7 respectively; On the side of the bottom of the close casing 7 of collecting plate 9, uniform arrangement is welded with one group of copper pipe 5, the two ends of every root copper pipe 5 are communicated with collector 6 respectively, in two collectors 6, wherein one end of a collector 6 stretches out in outside casing 7 and forms water inlet 1, and one end of another root collector 6 stretches out in outside casing 7 and forms delivery port 2; The side lamination of the bottom away from casing 7 of collecting plate 9 has the photovoltaic cell 10 of evenly arrangement, in the present embodiment, photovoltaic cell 10 is laminated on black TPT layer, and photovoltaic cell 10 is monocrystalline silicon photovoltaic cell, and photovoltaic cell 10 is encapsulated by transparent TPT and bonding with collecting plate 9 by EVA glue; The end face open-mouth of the casing above collecting plate 9 is provided with all band high permeability material membrane 8.
In the present embodiment, all band high permeability material membrane 8 is set to polyethylene film, its transmitance in 0 ~ 25 mu m waveband is greater than 80%, and its transmitance in the atmospheric window wave band of the solar radiation wave band of 0.2 μm ~ 3 μm and 8 μm ~ 13 μm is 85 ~ 90%.Transparent TPT material comprises internal layer PVDF layer, PET intermediate layer and outer PVDF protective layer.And the transmitance of transparent TPT material in the solar radiation wave band of 0.2 μm ~ 3 μm is greater than 85%, and the emissivity in the atmospheric window wave band of 8 μm ~ 13 μm is greater than 80%.
By day during hot water preparing pattern, air inlet 3 and air outlet 4 are closed, water inlet 1 and delivery port 2 open-minded, cold water in attemperater is flowed into by water inlet 1, the heat changed into by solar radiant energy that collecting plate 9 absorbs taken away by copper pipe 5 through collecting plate 9 back side (one side near the bottom of casing 1), flow in attemperater by delivery port 2 again, complete a circulation.Meanwhile, the solar radiation of photovoltaic cell 10 absorption portion is carried out photovoltaic generation and exports electric energy.
When producing hot-air pattern by day, water inlet 1 and delivery port 2 are closed, air inlet 3 and air outlet 4 open-minded, cold air enters air flow channel 11 by air inlet 3, in air flow channel 11, absorb set hot plate 9 becomes hot-air after taking away the heat changed into by solar radiant energy that collecting plate 9 absorbs, then flowed out by air outlet 4, the hot-air obtained can be used for the drying etc. of rooms or article.Meanwhile, the solar radiation of photovoltaic cell 10 absorption portion is carried out photovoltaic generation and exports electric energy.
When producing cold water pattern night, air inlet 3 and air outlet 4 are closed, water inlet 1 and delivery port 2 open-minded, hot water in attemperater is flowed into by water inlet 1, copper pipe 5 through collecting plate 9 back side cools after transferring heat to collecting plate 9, then flows in attemperater by delivery port 2, completes a circulation; Collecting plate 9 and photovoltaic cell 10 by the mode of radiation refrigeration by heat radiation to atmosphere and the outer space.
When producing cold air pattern night, water inlet 1 and delivery port 2 are closed, air inlet 3 and air outlet 4 open-minded, hot-air enters air flow channel 11 by air inlet 3, cold air is become transfer heat to collecting plate 9 in air flow channel 11 after, air after cooled is flowed out by air outlet 4, the cold air obtained can be used for room cooling or vegetables and fruits fresh-keeping etc.; Collecting plate 9 and photovoltaic cell 10 by the mode of radiation refrigeration by heat radiation to atmosphere and the outer space.
Embodiment 2
As different from Example 1, the volt battery 10 in the present embodiment is polysilicon photovoltaic cells, and all the other, with embodiment 1, repeat no more here.
Embodiment 3
As different from Example 1, the volt battery 10 in the present embodiment is amorphous silicon photovoltaic cell, and all the other, with embodiment 1, repeat no more here.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (9)
1. there is the plate photovoltaic photo-thermal comprehensive utilization device of nocturnal radiation refrigerating function, it is characterized in that: comprise the casing that end face is uncovered, collecting plate, copper pipe, collector and photovoltaic cell, described collecting plate is arranged in described casing, cavity between the bottom of described collecting plate and described casing forms air flow channel, the two ends of described air flow channel are set to air inlet and air outlet respectively, described air inlet and described air outlet are all arranged on the sidewall of described casing, the side of the bottom of the close described casing of described collecting plate is provided with copper pipe, the two ends of described copper pipe respectively with header in communication, wherein one end of a described collector stretches out in outside described casing and forms water inlet, one end of collector described in another root stretches out in outside described casing and forms delivery port, the side of the bottom away from described casing of described collecting plate is provided with photovoltaic cell, the end face open-mouth of described casing is coated with all band high permeability material membrane.
2. the plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function according to claim 1, is characterized in that: the described all band high permeability material membrane transmitance be set in 0 ~ 25 mu m waveband is greater than 80%, transmitance in the atmospheric window wave band of the solar radiation wave bands of 0.2 μm ~ 3 μm and 8 μm ~ 13 μm be 85 ~ 90% polyethylene film.
3. the plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function according to claim 1, is characterized in that: described collecting plate lamination has the absorptivity in 0.2 μm ~ 25 mu m wavebands and emissivity to be all greater than the anodic oxidation aluminium sheet of the black TPT layer of 85%.
4. the plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function according to claim 3, is characterized in that: described black TPT layer comprises internal layer PVDF layer, PET intermediate layer and outer PVDF protective layer.
5. the plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function according to claim 1, it is characterized in that: the transparent TPT material package that described photovoltaic cell is greater than 85% by the transmitance in the solar radiation wave band of 0.2 μm ~ 3 μm, emissivity in the atmospheric window wave band of 8 μm ~ 13 μm is greater than 80%, and described photovoltaic cell is connected on described collecting plate by EVA is gluing.
6. the plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function according to claim 5, is characterized in that: described transparent TPT material comprises internal layer PVDF layer, PET intermediate layer and outer PVDF protective layer.
7. the plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function according to claim 1, is characterized in that: described photovoltaic cell is monocrystalline silicon photovoltaic cell or polysilicon photovoltaic cells or amorphous silicon photovoltaic cell.
8. the plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function according to claim 1, is characterized in that: inside bottom surface and the madial wall of described casing are provided with heat-insulation layer.
9. the plate photovoltaic photo-thermal comprehensive utilization device with nocturnal radiation refrigerating function according to claim 1, it is characterized in that: the bottom that described collecting plate is parallel to described casing is arranged, described copper pipe is distributed in the side of the bottom of the close described casing of described collecting plate by welding, described photovoltaic cell is distributed in the side of the bottom away from described casing of described collecting plate, and described copper pipe is set to some.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866684.3U CN205070939U (en) | 2015-11-03 | 2015-11-03 | Device is used multipurposely to plate photovoltaic light and heat with nocturnal radiation function of refrigerating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866684.3U CN205070939U (en) | 2015-11-03 | 2015-11-03 | Device is used multipurposely to plate photovoltaic light and heat with nocturnal radiation function of refrigerating |
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| Publication Number | Publication Date |
|---|---|
| CN205070939U true CN205070939U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520866684.3U Expired - Fee Related CN205070939U (en) | 2015-11-03 | 2015-11-03 | Device is used multipurposely to plate photovoltaic light and heat with nocturnal radiation function of refrigerating |
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| CN (1) | CN205070939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237677A (en) * | 2018-09-27 | 2019-01-18 | 华中科技大学 | A kind of thermal-arrest-radiation appliance and its refrigeration system |
| CN110030744A (en) * | 2019-04-09 | 2019-07-19 | 中国科学技术大学 | A kind of solar energy heating nocturnal radiation on daytime that spectrum is adaptive refrigeration coating material |
| CN110762663A (en) * | 2019-10-14 | 2020-02-07 | 珠海格力电器股份有限公司 | PVT composite set and air conditioner based on night radiation and dew point evaporative cooling |
-
2015
- 2015-11-03 CN CN201520866684.3U patent/CN205070939U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237677A (en) * | 2018-09-27 | 2019-01-18 | 华中科技大学 | A kind of thermal-arrest-radiation appliance and its refrigeration system |
| CN110030744A (en) * | 2019-04-09 | 2019-07-19 | 中国科学技术大学 | A kind of solar energy heating nocturnal radiation on daytime that spectrum is adaptive refrigeration coating material |
| CN110030744B (en) * | 2019-04-09 | 2020-06-26 | 中国科学技术大学 | Spectrum-adaptive daytime solar heat collection and night radiation refrigeration coating material |
| CN110762663A (en) * | 2019-10-14 | 2020-02-07 | 珠海格力电器股份有限公司 | PVT composite set and air conditioner based on night radiation and dew point evaporative cooling |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160302 Termination date: 20191103 |