CN206250210U - A kind of photovoltaic photo-thermal heat collector based on phase change thermal management - Google Patents
A kind of photovoltaic photo-thermal heat collector based on phase change thermal management Download PDFInfo
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- CN206250210U CN206250210U CN201621315829.1U CN201621315829U CN206250210U CN 206250210 U CN206250210 U CN 206250210U CN 201621315829 U CN201621315829 U CN 201621315829U CN 206250210 U CN206250210 U CN 206250210U
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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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Abstract
The utility model discloses a kind of photovoltaic photo-thermal heat collector based on phase change thermal management.The utility model introduces phase-change material on the basis of being included in conventional water-cooling type photovoltaic heat collector, by reasonable design structure, increase phase change layer to assist liquid liquid type heat-exchanging component to improve heat exchange amount, and then more effectively reduce the temperature of photovoltaic back, the generating efficiency of solar cell is improved, so as to overcome existing photovoltaic photo-thermal heat collector exchange capability of heat not enough or increased auxiliary heat exchanging device existing defects；And three kinds of mode of operations of the utility model heat collector disclosure satisfy that different operational phases, the heat exchange burden requirement of different use demands in practical application, and then improve the comprehensive utilization ratio of solar energy；Additionally, the heat of storage can be released to heat collector offer low-temperature protection by phase-change material at low temperature.
Description
Technical field
The utility model is specifically related to a kind of photovoltaic photo-thermal heat collector based on phase change thermal management.
Background technology
Holding for " Copenhagen meeting ", indicates that " consumption reduction emission reduction " has become global common recognition, develops reproducible replacing
The concern of more and more people is received for the energy.Sunlight --- solar energy is the energy of mankind's most original, and solar energy is used as one kind
Green regenerative energy sources, its development and application have become an important ring of world energy sources system.Compared with traditional fossil energy, too
It is positive can with aboundresources, reserves " unlimitedness ", there is generality, using the advantage such as spatter property and huge economic benefit.
Solar energy power generating is that luminous energy is directly translated into electric energy using the photovoltaic effect of interface
A kind of technology.The key element of this technology is solar cell.But be still present in terms of solar energy photovoltaic utilization and needed badly
The problem of solution：In the process of running, the solar energy being radiated on photovoltaic module only has energy big to solar photovoltaic technology
Photon energy in the energy gap part of its semi-conducting material can be converted to electric energy, and other will not be converted into electric energy output,
And the unconverted energy in this part can cause photovoltaic module temperature to raise, and then cause the reduction of its photoelectric transformation efficiency.In order to
Battery efficiency is set to be maintained at comparing level high, it is necessary to control photovoltaic module temperature within the specific limits.
In the prior art conventional method be by heat catalysis (water, air or refrigerant) by photovoltaic module produce it is unnecessary
Heat is taken away.Air is used as traditional heat exchanging fluid, because its density, specific heat and thermal conductivity factor are smaller, photovoltaic and photothermal air collection
The generating efficiency and collecting efficiency of hot device be not high.Photovoltaic and photothermal water heat collector can effectively overcome air collector some lack
Fall into, but the also only a little lifting of photovoltaic and photothermal efficiency., mainly due in the process of running, thermal-arrest plate temperature is constantly being carried for this
Rise, and the exchange capability of heat of water is limited.For lasting reduction thermal-arrest plate temperature, evaporation coil, the method are installed thereunder
Although can effective lifting system efficiency, there are problems that easily leakage, evaporation coil floor space can not be ignored.
In order to overcome above technical problem, the photovoltaic and photothermal thermal-arrest with thermal management function in a kind of running is needed badly
Device.
Utility model content
Based on mentioned above, the utility model provides a kind of photovoltaic photo-thermal heat collector, this reality to overcome above-mentioned technical problem
Phase-change material is introduced on the basis of conventional water-cooling type photovoltaic photo-thermal heat collector with new, by reasonable design structure so that phase
Becoming material can improve the performance of photovoltaic photo-thermal heat collector by accumulation of heat and heat release.
To realize above-mentioned utility model purpose, the utility model is adopted the following technical scheme that：
A kind of photovoltaic photo-thermal heat collector based on phase change thermal management, including framework, it is internal with receiving space, glass cover
Plate and back of the body shrouding are installed in the receiving space, and first is formed between the framework, the glass cover-plate and the back of the body shrouding
In sealing space, first sealing space photovoltaic module and liquid are from top to bottom sequentially provided with towards the glass cover plate surfaces
Liquid type heat-exchanging component；
Wherein, photovoltaic module includes：Glass-encapsulated layer, the solar battery sheet and photovoltaic back that are arranged in EVA packed layers
Plate；
Liquid liquid type heat-exchanging component includes：Several heat exchanger tubes and it is arranged in framework what is connected with the heat exchanger tube
Working-fluid intaking and operative fluid outlet；
The second sealing space, the sealing space are formed between the framework, the photovoltaic module and the glass cover-plate
It is interior filled with air；The photovoltaic back by heat conduction silicone and collecting plate tight bond to realize heat transfer, be close to by heat exchanger tube
Towards the surface of the back of the body shrouding in collecting plate, between the framework, the collecting plate, the heat exchanger tube and the back of the body shrouding
The 3rd sealing space is formed, the 3rd sealing space forms phase change layer filled with phase-change material.
Further, the collecting plate is copper coin.
Further, the material of the phase change layer is solid-liquid phase change material.
Further, the back of the body shrouding, the 4th sealing space of formation, the framework between the phase change layer and the framework
Including internal layer and outer layer, between internal layer and outer layer and the 4th sealing space be filled with insulation material.
The utility model beneficial effect is：Phase-change material is introduced on the basis of conventional water-cooling type photovoltaic heat collector,
By reasonable design structure, increase phase change layer and assist liquid liquid type heat-exchanging component to improve heat exchange amount, and then more effectively drop
The temperature of low photovoltaic back, improves the generating efficiency of solar cell, so as to overcome existing photovoltaic photo-thermal heat collector exchange capability of heat
Not enough or increased auxiliary heat exchanging device existing defects；Because solar energy is a kind of instability energy, phase-change material is used as one
The material for planting high heat storage can play a part of peak load shifting for solar thermal utilization, the utility model photovoltaic photo-thermal heat collector
Three kinds of mode of operations disclosure satisfy that different operational phases, the heat exchange burden requirement of different use demands, Jin Erti in practical application
The comprehensive utilization ratio of high solar；Additionally, phase-change material can discharge the heat of storage to ensure photovoltaic light at low temperature
Hot heat collector will not be damaged caused by temperature is too low, and the increase therefore, it is possible to phase change layer can provide low-temperature protection for heat collector.
Brief description of the drawings
The structural representation of the heat collector that Fig. 1 is provided by the utility model embodiment；
The A-A of the heat collector that Fig. 2 is provided by the utility model embodiment is to sectional view；
Wherein, 1 is glass cover-plate, and 2 is photovoltaic back, and 3 is heat conduction silicone, and 4 is copper coin, and 5 is phase change layer, and 6 is heat exchange
Pipe, 7 is Working-fluid intaking, and 8 is operative fluid outlet, and 9 is framework.
Specific embodiment
With reference to embodiment and Figure of description, the technical solution of the utility model is described in detail：
It is as shown in Figure 1 the structural representation of the embodiment of the utility model heat collector, is illustrated in figure 2 the thermal-arrest of Fig. 1
The A-A of device includes framework 9 to sectional view, the heat collector that can be seen that the present embodiment with reference to Fig. 1 and Fig. 2, and it is internal with receiving
Space, glass cover-plate 1 and back of the body shrouding are installed in the receiving space, the framework 9, the glass cover-plate 1 and the back of the body envelope
Formed between plate and from top to bottom set successively towards the surface of the glass cover-plate 1 in the first sealing space, first sealing space
There are photovoltaic module and liquid liquid type heat-exchanging component；
Wherein, photovoltaic module includes：The solar battery sheet and photovoltaic back 2 being arranged in EVA packed layers；
Liquid liquid type heat-exchanging component includes：Several heat exchanger tubes 6 and being arranged in framework are connected with the heat exchanger tube
Working-fluid intaking 7 and operative fluid outlet 8；
The second sealing space is formed between the framework 9, the photovoltaic module and the glass cover-plate 1, the sealing is empty
It is interior filled with air；The photovoltaic back 2 passes through heat conduction silicone 3 with the tight bond of copper coin 4 to realize heat transfer, heat exchanger tube 6
It is close in copper coin 4 surface towards the back of the body shrouding, the framework 9, the copper coin 4, the heat exchanger tube 6 and the back of the body shrouding
Between formed the 3rd sealing space, the 3rd sealing space filled with phase-change material formed phase change layer 5.
In view of heat insulation effect, the utility model should set heat-insulation layer, specific as follows：The back of the body shrouding, the phase change layer
The 4th sealing space is formed and the framework between, the framework includes internal layer and outer layer, between internal layer and outer layer and described
4th sealing space is filled with insulation material.
The photovoltaic photo-thermal heat collector of the present embodiment is by setting heat exchanger tube 6 and phase change layer 5 so that photovoltaic photo-thermal heat collector can
Different working modes are used according to the actual requirements, and the mode of operation of the utility model photovoltaic photo-thermal heat collector can be divided into following three
Kind：
Pattern one：Self-supporting pattern；
When heat collector heat exchange load is smaller, the temperature of thermal-arrest copper coin 4 can be by photovoltaic by fluid operating in heat exchanger tube 6
The temperature control of component is now only exchanged heat by heat exchanger tube 6 in OK range with the sensible heat of phase change layer 5, and phase change layer 5
Latent heat be not involved in accumulation of heat；
Pattern two：Fluid heat transfer-phase-transition heat-storage pattern；
When heat collector heat exchange load is larger, self-supporting pattern can not meet the heat exchange demand of thermal-arrest copper coin, start fluid and change
Heat and the pattern of phase transformation sensible heat latent-heat storage co-ordination, now solid-liquid type phase-change material liquefaction, absorb and store it is unnecessary too
Positive energy；
Pattern three：Phase transformation heat release pattern；
When no solar radiation can be utilized, the solidification of solid-liquid type phase-change material discharges the heat energy of storage, and heat exchanger tube passes through
The draw heat from phase-change material, disclosure satisfy that the hot water demand of user terminal.
The utility model is based on the photovoltaic photo-thermal heat collector of phase-change material, can solve the problem that photovoltaic and photothermal thermal-arrest in the prior art
Device exchange capability of heat is not enough or increased auxiliary heat exchanging device existing defects；The utility model can realized powering, supplied simultaneously
On the basis of the demand of heat, using liquid liquid type heat-exchanging component and phase-change material as thermal management element, according to reality
Demand selects suitable phase-change material, is varied with temperature based on phase-change material and changes physical property and can store or discharge heat
The characteristics of, three kinds of mode of operations that the utility model photovoltaic photo-thermal heat collector is provided being capable of Intelligent adjustment according to the actual requirements；This
Utility model improves the photoelectric transformation efficiency of photovoltaic photo-thermal heat collector, improves the comprehensive utilization ratio of solar energy, increased
The use function of photovoltaic photo-thermal heat collector, expands the use scope of photovoltaic photo-thermal heat collector.In sum, the utility model tool
There are flexibility, broad applicability, equipment simple, the advantage such as feasibility is strong.
Embodiment of the present utility model has been described in detail above, but the content is only of the present utility model preferable
Embodiment, and without with limitation the utility model.All any modifications made in application range of the present utility model, equally replace
Change and improve etc. and should be included within protection domain of the present utility model.
Claims (4)
1. a kind of photovoltaic photo-thermal heat collector based on phase change thermal management, it is characterised in that including framework (9), it is internal to have and holds
Receive space, glass cover-plate (1) and back of the body shrouding are installed in the receiving space, the framework (9), the glass cover-plate (1) and
Formed between the back of the body shrouding in the first sealing space, first sealing space towards the glass cover-plate (1) surface by upper
Photovoltaic module and liquid liquid type heat-exchanging component are sequentially provided with；
Wherein, photovoltaic module includes：Glass-encapsulated layer, the solar battery sheet being arranged in EVA packed layers and photovoltaic back
(2)；
Liquid liquid type heat-exchanging component includes：Several heat exchanger tubes (6) and it is arranged in the framework (9) and the heat exchanger tube
(6) Working-fluid intaking (7) and operative fluid outlet (8) of connection；
The framework (9), the second sealing space is formed between the photovoltaic module and the glass cover-plate (1), the sealing is empty
It is interior filled with air；The photovoltaic back (2), to realize heat transfer, is changed by heat conduction silicone (3) and collecting plate tight bond
Heat pipe (6) is close in collecting plate the surface towards the back of the body shrouding, the framework (9), the collecting plate, the heat exchanger tube
(6) the 3rd sealing space is formed and the back of the body shrouding between, the 3rd sealing space forms phase change layer filled with phase-change material
(5)。
2. a kind of photovoltaic photo-thermal heat collector based on phase change thermal management according to claim 1, it is characterised in that the collection
Hot plate is copper coin (4).
3. a kind of photovoltaic photo-thermal heat collector based on phase change thermal management according to claim 1, it is characterised in that the phase
The material of change layer (5) is solid-liquid phase change material.
4. a kind of photovoltaic photo-thermal heat collector based on phase change thermal management according to claim 1, it is characterised in that the back of the body
The 4th sealing space is formed between shrouding, the phase change layer (5) and the framework (9), the framework (9) is including internal layer and outward
Layer, between internal layer and outer layer and the 4th sealing space be filled with insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621315829.1U CN206250210U (en) | 2016-12-02 | 2016-12-02 | A kind of photovoltaic photo-thermal heat collector based on phase change thermal management |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621315829.1U CN206250210U (en) | 2016-12-02 | 2016-12-02 | A kind of photovoltaic photo-thermal heat collector based on phase change thermal management |
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| Publication Number | Publication Date |
|---|---|
| CN206250210U true CN206250210U (en) | 2017-06-13 |
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| CN201621315829.1U Active CN206250210U (en) | 2016-12-02 | 2016-12-02 | A kind of photovoltaic photo-thermal heat collector based on phase change thermal management |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486563A (en) * | 2016-12-02 | 2017-03-08 | 西南交通大学 | A kind of photovoltaic photo-thermal heat collector based on phase change thermal management |
| CN110081619A (en) * | 2019-04-08 | 2019-08-02 | 浙江碳银互联网科技有限公司 | A kind of photovoltaic and photothermal composite air source heat pump system |
| CN110220317A (en) * | 2019-07-11 | 2019-09-10 | 深圳市广田方特科建集团有限公司 | Solar electrothermal Integral synchronous conversion system |
-
2016
- 2016-12-02 CN CN201621315829.1U patent/CN206250210U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486563A (en) * | 2016-12-02 | 2017-03-08 | 西南交通大学 | A kind of photovoltaic photo-thermal heat collector based on phase change thermal management |
| CN110081619A (en) * | 2019-04-08 | 2019-08-02 | 浙江碳银互联网科技有限公司 | A kind of photovoltaic and photothermal composite air source heat pump system |
| CN110220317A (en) * | 2019-07-11 | 2019-09-10 | 深圳市广田方特科建集团有限公司 | Solar electrothermal Integral synchronous conversion system |
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