CN202996862U - Backboard and photovoltaic assembly - Google Patents
Backboard and photovoltaic assembly Download PDFInfo
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- CN202996862U CN202996862U CN 201220680172 CN201220680172U CN202996862U CN 202996862 U CN202996862 U CN 202996862U CN 201220680172 CN201220680172 CN 201220680172 CN 201220680172 U CN201220680172 U CN 201220680172U CN 202996862 U CN202996862 U CN 202996862U
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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 provides a backboard. The backboard comprises a supporting layer and a first boding layer arranged at a back face of the supporting layer, wherein the first bonding layer internally has a micro capsule, and the micro capsule internally contains phase transition material. The utility model provides the backboard and a photovoltaic assembly. The backboard is internally provided with the micro capsule containing the phase transition material, when temperature of the photovoltaic assembly rises, the phase material in the micro capsule turns from a solid state into a liquid state to absorb heat for temperature reduction of the photovoltaic assembly, so a problem of over-high power consumption caused by over-high temperature is avoided, and power of the photovoltaic assembly is improved; when temperature of the photovoltaic assembly decreases, the phase material in the micro capsule turns from the liquid state into the solid state to release a plurality of heat for temperature rising of the photovoltaic assembly, so temperature difference of the photovoltaic assembly is reduced, and accelerated material aging of the photovoltaic assembly caused by long-term high temperature and high/low temperature circulation with over-high temperature difference can be alleviated, and service life of the photovoltaic assembly is improved.
Description
Technical field
The utility model relates to the photovoltaic technology field, more particularly, relates to a kind of backboard and photovoltaic module.
Background technology
Solar cell is the semiconductor device that a kind of luminous energy with the sun is converted into electric energy.Because it is Green Product, can not cause environmental pollution, and what utilize is renewable resource, so under current energy starved situation, solar cell is a kind of novel energy that arranged wide development prospect.
Due to solar cell itself easily broken, easily be corroded, if be directly exposed in atmosphere, its electricity conversion can be through moisture, the impact of dust, acid rain etc. and descending, and lost efficacy so that damage.Therefore, solar cell generally all must be packaged into photovoltaic module and just can come into operation.
The structure of conventional photovoltaic module as shown in Figure 1, is followed successively by from top to bottom: glass cover-plate 103, upper strata EVA102, solar battery sheet 101, the EVA104 of lower floor, and backboard 105.
The power of photovoltaic module and useful life are two important parameters weighing himself performance quality, still, find the power of conventional photovoltaic module and still remain useful life to be improved in the use procedure of reality.
The utility model content
The utility model embodiment provides a kind of backboard and photovoltaic module, to improve power and the useful life of photovoltaic module.
For achieving the above object, the utility model embodiment provides following technical scheme:
A kind of backboard comprises: supporting layer; Be positioned at first tack coat at the described supporting layer back side, microcapsules are contained in described the first tack coat inside, and phase-change material is contained in described microcapsules inside.
Preferably, described backboard also comprises: be positioned at second tack coat in described supporting layer front, microcapsules are contained in described the second tack coat inside, and phase-change material is contained in described microcapsules inside; Be positioned at the second fluorine-containing layer in described the second tack coat front; Be positioned at the first fluorine-containing layer at the described first tack coat back side.
Preferably, described backboard also comprises: be positioned at the second fluorine-containing layer in described supporting layer front, microcapsules are contained in described second fluorine-containing layer of inside, and phase-change material is contained in described microcapsules inside; Be positioned at the first fluorine-containing layer at the described first tack coat back side.
Preferably, described microcapsules comprise the inner capsule heart and exterior wall material, and described exterior wall material coats the described inner capsule heart fully.
Preferably, the material of the described inner capsule heart is phase-change material, and described phase-change material specifically comprises any one or a few in crystalline hydrate salt, eutectic hydrated salt, linear paraffin, paraffin class, fatty acid and polyethylene glycol.
Preferably, the material of described exterior wall material is any one or a few in polyethylene, polystyrene, polyureas, polyamide, epoxy resin, Lauxite, three chlorocyanamides-formaldehyde resin.
The utility model embodiment also provides a kind of photovoltaic module, comprising: backboard, and be arranged at the solar battery sheet in described backboard front; Wherein, described backboard comprises supporting layer, and is positioned at first tack coat at the described supporting layer back side, and microcapsules are contained in described the first tack coat inside, and phase-change material is contained in described microcapsules inside.
Preferably, described backboard also comprises: be positioned at second tack coat in described supporting layer front, microcapsules are contained in described the second tack coat inside, and phase-change material is contained in described microcapsules inside; Be positioned at the second fluorine-containing layer in described the second tack coat front; Be positioned at the first fluorine-containing layer at the described first tack coat back side.
Preferably, described backboard also comprises: be positioned at the second fluorine-containing layer in described supporting layer front, microcapsules are contained in described second fluorine-containing layer of inside, and phase-change material is contained in described microcapsules inside; Be positioned at the first fluorine-containing layer at the described first tack coat back side.
Compared with prior art, technical scheme provided by the utility model has the following advantages at least:
Backboard provided by the utility model and photovoltaic module, inside at photovoltaic component back plate is provided with microcapsules, these microcapsules contain phase-change material, and this phase-change material is understood variation with temperature and undergone phase transition, and are accompanied by absorption in phase transition process or discharge a large amount of heats.
When the temperature of photovoltaic module raises, phase-change material in microcapsules is by the solid-state liquid state that becomes, and absorption heat, the temperature of photovoltaic module is reduced, thereby the excessive problem of power loss of having avoided the photovoltaic module excess Temperature to cause, improve the power of photovoltaic module, and alleviated the problem that high temperature causes photovoltaic module material aging speed to be accelerated.
When the temperature of photovoltaic module reduces, phase-change material in microcapsules is become solid-state by liquid state, and discharge a large amount of heats, the temperature of photovoltaic module is raise, thereby dwindled the temperature difference of photovoltaic module, the high low-temperature circulating of having alleviated excessive temperature differentials causes the problem of photovoltaic module material aging speed quickening, has improved its useful life.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the basic block diagram of photovoltaic module in prior art;
The structure chart of the backboard that Fig. 2 provides for the utility model embodiment two;
The structure chart of the photovoltaic module that Fig. 3 provides for the utility model embodiment two;
The structure chart of the backboard that Fig. 4 provides for the utility model embodiment three;
The structure chart of the photovoltaic module that Fig. 5 provides for the utility model embodiment three.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can be in the situation that do similar popularization without prejudice to the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when the utility model embodiment is described in detail in detail; for ease of explanation; the profile of expression device architecture can be disobeyed general ratio and be done local the amplification, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.The three-dimensional space that should comprise in addition, length, width and the degree of depth in actual fabrication.
Embodiment one
Just as stated in the Background Art, the power of conventional photovoltaic module and still remain useful life to be improved, the inventor studies discovery, photovoltaic module is in the course of work of reality, and the internal resistance meeting that himself exists consumes a part of electric energy, and the temperature of photovoltaic module is raise, be in higher temperature when work, generally be subject to the impact of " negative temperature coefficient " due to photovoltaic module, cause its temperature higher, it is more that power descends; And when photovoltaic module did not generate electricity, especially when night, it is very many that self temperature can descend, thus photovoltaic module be in for a long time under the larger high low temperature recurrent state of the temperature difference, thereby cause the aging speed of himself material very fast, affect its useful life.
Based on this, the utility model embodiment provides a kind of backboard and photovoltaic module, and this backboard comprises:
Supporting layer;
Be positioned at first tack coat at the described supporting layer back side, microcapsules are contained in described the first tack coat inside, and phase-change material is contained in described microcapsules inside.
The backboard that the utility model embodiment provides and photovoltaic module, inside at photovoltaic component back plate is provided with microcapsules, these microcapsules contain phase-change material, and this phase-change material is understood variation with temperature and undergone phase transition, and are accompanied by absorption in phase transition process or discharge a large amount of heats.
When the temperature of photovoltaic module raises, phase-change material in microcapsules is by the solid-state liquid state that becomes, and absorption heat, the temperature of photovoltaic module is reduced, thereby the excessive problem of power loss of having avoided the photovoltaic module excess Temperature to cause, improve the power of photovoltaic module, and alleviated the problem that high temperature causes photovoltaic module material aging speed to be accelerated.
When the temperature of photovoltaic module reduces, phase-change material in microcapsules is become solid-state by liquid state, and discharge a large amount of heats, the temperature of photovoltaic module is raise, thereby dwindled the temperature difference of photovoltaic module, the high low-temperature circulating of having alleviated excessive temperature differentials causes the problem of photovoltaic module material aging speed quickening, has improved its useful life.
Embodiment two
Based on above-described embodiment one, as shown in Figure 2, the present embodiment provides a kind of backboard, the inside of its first tack coat 202 and the second tack coat 203 all is provided with the microcapsules that contain phase-change material, concrete, this backboard comprises: supporting layer 201 is positioned at first tack coat 202 at supporting layer 201 back sides, microcapsules are contained in described the first tack coat 202 inside, and phase-change material is contained in described microcapsules inside;
Described backboard also comprises: be positioned at second tack coat 203 in supporting layer 201 fronts, microcapsules are contained in described the second tack coat 203 inside, and phase-change material is contained in described microcapsules inside; Be positioned at the second fluorine-containing layer 205 in the second tack coat 203 fronts; Be positioned at the first fluorine-containing layer 204 at first tack coat 202 back sides.
Need to prove, " back side " described in the present embodiment refers to backboard away from a side of solar battery sheet, and described " front " refers to that backboard is near a side of solar battery sheet.
Microcapsules described in the present embodiment comprise the inner capsule heart and exterior wall material, described exterior wall material coats the described inner capsule heart fully, wherein, the material of the described inner capsule heart is phase-change material, described phase-change material specifically comprises any one or a few in crystalline hydrate salt, eutectic hydrated salt, linear paraffin, paraffin class, fatty acid and polyethylene glycol, and the material of described exterior wall material is any one or a few in polyethylene, polystyrene, polyureas, polyamide, epoxy resin, Lauxite, three chlorocyanamides-formaldehyde resin.
Need to prove, described phase-change material has to vary with temperature and undergoes phase transition, and the character of absorption or release amount of heat, the process that phase-change material undergoes phase transition refers to that it is become liquid state or become by liquid state the process that solid-state physical state changes by solid-state, in phase transition process, the temperature of phase-change material self almost remains unchanged, but the heat that absorbs or discharge is but quite large.
Photovoltaic module is when work, the internal resistance meeting that himself exists consumes a part of electric energy and produces heat, the temperature of photovoltaic module is raise, the phase-change material that is present in backboard is heated by the solid-state liquid state that becomes, and absorb a large amount of heats in this process, the bulk temperature of photovoltaic module is descended, thereby alleviated " negative temperature coefficient " impact on photovoltaic module power, improved the power of photovoltaic module, simultaneously, also can alleviate the problem that photovoltaic module aging speed that long term high temperature causes is accelerated, increase the useful life of photovoltaic module.
Need to prove, so-called " negative temperature coefficient " refers to that photovoltaic module in actual use, the internal resistance meeting that himself exists consumes a part of electric energy and produces simultaneously heat, the temperature of photovoltaic module is raise, cause the energy gap of solar battery sheet to narrow down, voltage drop, photovoltaic module power reduces; General maximum power relative temperature coefficient σ be-0.45%/℃, namely the power for routine is the photovoltaic module of 250W, 1 ℃ of the every rising of himself temperature, maximum power reduction 1.125W; Photovoltaic module is when work, himself temperature is easy to reach 80～90 ℃, power for routine is the photovoltaic module of 250W, when its temperature is 80 ℃, the approximately low 62W of the maximum power that records under maximum power ratio STC condition (solar cell standard test condition), 25% the power loss of namely having an appointment, as seen, in the situation that the photovoltaic module temperature is higher, " negative temperature coefficient " is very large on the impact of the power of himself.
when photovoltaic module does not absorb light, especially when night, the temperature of himself can reduce along with the reduction of ambient temperature, be present in phase-change material in backboard catch a cold become by liquid state solid-state, and discharge a large amount of heats in this process, finally make the bulk temperature of photovoltaic module increase, thereby reduced the temperature difference of photovoltaic module day and night, having alleviated the cell piece transformation efficiency descends, the backboard jaundice, the problem of the material aging that under the EVA light transmittance, degradation causes due to high low-temperature circulating, reduced the aging speed of photovoltaic module material, thereby increased the useful life of photovoltaic module.
Need to prove, the present embodiment only to adopt microcapsules technology to add mode in backboard as example describes phase-change material, still, also can adopt alternate manner that phase-change material is added in backboard in other embodiment of the present utility model.
In addition, the described microcapsules that contain phase-change material of the present embodiment preferably can adopt the preparation of situ aggregation method or interfacial polymerization.
the backboard that the present embodiment provides adopts the direct combination method to make, concrete manufacturing process is: the microcapsules that will contain phase-change material are sneaked in making backboard glue used, adopt the gluing combined producing tech, contain respectively the glue of microcapsules in the coated on both sides of supporting layer 201, form the first tack coat 202 and the second tack coat 203, then the first fluorine-containing layer 204 is compound with the one side of supporting layer 201 by the first tack coat 202, the second fluorine-containing layer 205 is compound with the another side of supporting layer 201 by the second tack coat 203, complete the making of the backboard that the present embodiment provides.
Need to prove, described supporting layer 201 is PET film (pet film) preferably, and the PET film has the advantages such as good physical and mechanical properties, corrosion resistance, high temperature resistant and cryogenic property, gas and vapor permeability be low.
In addition, in the present embodiment, the described first fluorine-containing layer 205 of fluorine-containing layer 204 and second is PVDF film (polyvinyl fluoride thin film) preferably, and the PVDF film has good chemical resistance, high temperature resistant look sex change and oxidative resistance, resistance to wear, pliability, UV resistant and high-energy radiation, very high anti-advantages such as intensity and resistance to impact intensity that rise.
The backboard that the present embodiment provides sneaks at its first tack coat and the second tack coat inside the microcapsules that contain phase-change material, and phase-change material can variation with temperature and undergo phase transition, and absorbs or discharge a large amount of heats; When the temperature of photovoltaic module raises, phase-change material in microcapsules is by the solid-state liquid state that becomes, and absorption heat, the temperature of photovoltaic module is reduced, thereby the excessive problem of power loss of having avoided the photovoltaic module excess Temperature to cause, improve the power of photovoltaic module, and alleviated the problem that high temperature causes photovoltaic module material aging speed to be accelerated; When the temperature of photovoltaic module reduces, phase-change material in microcapsules is become solid-state by liquid state, and discharge a large amount of heats, the temperature of photovoltaic module is raise, thereby dwindled the temperature difference of photovoltaic module, the high low-temperature circulating of having alleviated excessive temperature differentials causes the problem of photovoltaic module material aging speed quickening, has improved its useful life.
Corresponding with the backboard that the present embodiment provides, the present embodiment also provides a kind of photovoltaic module, adopt above-mentioned backboard to make, as shown in Figure 3, this photovoltaic module is followed successively by from top to bottom: glass cover-plate 303, upper strata EVA302, solar battery sheet 301, the EVA304 of lower floor and contain the backboard of microcapsules, phase-change material is contained in described microcapsules inside.
Wherein, described backboard comprises: supporting layer 307; Be positioned at first tack coat 308 at described supporting layer 307 back sides, microcapsules are contained in described the first tack coat 308 inside, and phase-change material is contained in described microcapsules inside; Be positioned at the first fluorine-containing layer 309 at described first tack coat 308 back sides; Be positioned at second tack coat 306 in described supporting layer 307 fronts, microcapsules are contained in described the second tack coat 306 inside, and phase-change material is contained in described microcapsules inside; Be positioned at the second fluorine-containing layer 305 in described the second tack coat 306 fronts.
The backboard inside of the photovoltaic module that the present embodiment provides is provided with the microcapsules that contain phase-change material, suction exothermic effects when undergoing phase transition by the phase-change material in microcapsules, regulate the temperature of photovoltaic module, temperature when making photovoltaic module work reduces, and dwindled the temperature range of photovoltaic module day and night, thereby alleviated " negative temperature coefficient " impact on the photovoltaic module temperature, improved the power of photovoltaic module, and alleviated the problem that high low-temperature circulating and long term high temperature cause photovoltaic module material aging speed to accelerate, improved its useful life.
Embodiment three
Based on above-described embodiment one, as shown in Figure 4, the present embodiment provides a kind of backboard, the inside of its first tack coat 402 and the second fluorine-containing layer 403 all is provided with the microcapsules that contain phase-change material, concrete, this backboard comprises: supporting layer 401 is positioned at first tack coat 402 at supporting layer 401 back sides, microcapsules are contained in described the first tack coat 402 inside, and phase-change material is contained in described microcapsules inside;
Described backboard also comprises: microcapsules are contained in the second fluorine-containing layer of fluorine-containing layer 403, described second 403 inside that are positioned at described supporting layer 401 fronts, and phase-change material is contained in described microcapsules inside; Be positioned at the first fluorine-containing layer 404 at described first tack coat 402 back sides.
Microcapsules described in the present embodiment comprise the inner capsule heart and exterior wall material, described exterior wall material coats the described inner capsule heart fully, wherein, the material of the described inner capsule heart is phase-change material, described phase-change material specifically comprises any one or a few in crystalline hydrate salt, eutectic hydrated salt, linear paraffin, paraffin class, fatty acid and polyethylene glycol, and the material of described exterior wall material is any one or a few in polyethylene, polystyrene, polyureas, polyamide, epoxy resin, Lauxite, three chlorocyanamides-formaldehyde resin.
Photovoltaic module is when work, the internal resistance meeting that himself exists consumes a part of electric energy and produces heat, the temperature of photovoltaic module is raise, the phase-change material that is present in backboard is heated by the solid-state liquid state that becomes, and absorb a large amount of heats in this process, the bulk temperature of photovoltaic module is descended, thereby alleviated " negative temperature coefficient " impact on photovoltaic module power, improved the power of photovoltaic module, simultaneously, also can alleviate the problem that photovoltaic module aging speed that long term high temperature causes is accelerated, increase the useful life of photovoltaic module.
when photovoltaic module does not absorb light, especially when night, the temperature of himself can reduce along with the reduction of ambient temperature, be present in phase-change material in backboard catch a cold become by liquid state solid-state, and discharge a large amount of heats in this process, finally make the bulk temperature of photovoltaic module increase, thereby reduced the temperature difference of photovoltaic module day and night, having alleviated the cell piece transformation efficiency descends, the backboard jaundice, the problem of the material aging that under the EVA light transmittance, degradation causes due to high low-temperature circulating, reduced the aging speed of photovoltaic module material, thereby increased the useful life of photovoltaic module.
the backboard that the present embodiment provides adopts rubbing method to make, concrete manufacturing process is: the microcapsules that will contain phase-change material are sneaked in making backboard glue used, apply the glue that contains microcapsules on the one side of supporting layer 401, form the first tack coat 402, the first fluorine-containing layer 404 is compounded on supporting layer 401 by the first tack coat 402, the microcapsules that then will contain phase-change material are sneaked in the fluorine coating fluid, the described fluorine coating fluid that contains microcapsules of coating on the another side of supporting layer 401, form the second fluorine-containing layer 403 and complete the making of the backboard that the present embodiment provides.
In addition, need to prove, the backboard that above-mentioned the present embodiment provides in use, need to make its second fluorine-containing layer 403 with respect to the inside of the first more close photovoltaic module of fluorine-containing layer 404, even the first fluorine-containing layer 404 contacts with external environment, this is because direct combination is better than the second fluorine-containing layer 403 that adopts rubbing method to make to the density of first fluorine-containing layer 404, uniformity on supporting layer 401, so its weatherability is also more outstanding than the first fluorine-containing layer 404, it is directly contacted for the long-term use of photovoltaic module more beneficial with external environment.
Corresponding with the backboard that the present embodiment provides, the present embodiment also provides a kind of photovoltaic module, adopt above-mentioned backboard to make, as shown in Figure 5, this photovoltaic module is followed successively by from top to bottom: glass cover-plate 503, upper strata EVA502, solar battery sheet 501, the EVA504 of lower floor and contain the backboard of microcapsules, phase-change material is contained in described microcapsules inside.
Wherein, described backboard comprises: supporting layer 506; Be positioned at first tack coat 507 at described supporting layer 506 back sides, microcapsules are contained in described the first tack coat 507 inside, and phase-change material is contained in described microcapsules inside; Be positioned at the first fluorine-containing layer 508 at described first tack coat 507 back sides; Microcapsules are contained in the second fluorine-containing layer of fluorine-containing layer 505, described second 505 inside that are positioned at described supporting layer 506 fronts, and phase-change material is contained in described microcapsules inside.
The backboard that the present embodiment provides and photovoltaic module, inside at photovoltaic component back plate is provided with microcapsules, these microcapsules contain phase-change material, and this phase-change material is understood variation with temperature and undergone phase transition, and are accompanied by absorption in phase transition process or discharge a large amount of heats.
When the temperature of photovoltaic module raises, phase-change material in microcapsules is by the solid-state liquid state that becomes, and absorption heat, the temperature of photovoltaic module is reduced, thereby the excessive problem of power loss of having avoided the photovoltaic module excess Temperature to cause, improve the power of photovoltaic module, and alleviated the problem that high temperature causes photovoltaic module material aging speed to be accelerated.
When the temperature of photovoltaic module reduces, phase-change material in microcapsules is become solid-state by liquid state, and discharge a large amount of heats, the temperature of photovoltaic module is raise, thereby dwindled the temperature difference of photovoltaic module, the high low-temperature circulating of having alleviated excessive temperature differentials causes the problem of photovoltaic module material aging speed quickening, has improved its useful life.
Although the utility model discloses as above with preferred embodiment, yet is not to limit the utility model.Any those of ordinary skill in the art, do not breaking away from technical solutions of the utility model scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible changes and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all still belongs in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present utility model.
Claims (9)
1. a backboard, is characterized in that, comprising:
Supporting layer;
Be positioned at first tack coat at the described supporting layer back side, microcapsules are contained in described the first tack coat inside, and phase-change material is contained in described microcapsules inside.
2. backboard according to claim 1, is characterized in that, also comprises:
Be positioned at second tack coat in described supporting layer front, microcapsules are contained in described the second tack coat inside, and phase-change material is contained in described microcapsules inside;
Be positioned at the second fluorine-containing layer in described the second tack coat front;
Be positioned at the first fluorine-containing layer at the described first tack coat back side.
3. backboard according to claim 1, is characterized in that, also comprises:
Be positioned at the second fluorine-containing layer in described supporting layer front, microcapsules are contained in described second fluorine-containing layer of inside, and phase-change material is contained in described microcapsules inside;
Be positioned at the first fluorine-containing layer at the described first tack coat back side.
4. the according to claim 2 or 3 described backboards of any one, is characterized in that, described microcapsules comprise the inner capsule heart and exterior wall material, and described exterior wall material coats the described inner capsule heart fully.
5. backboard according to claim 4, it is characterized in that, the material of the described inner capsule heart is phase-change material, and described phase-change material specifically comprises any one or a few in crystalline hydrate salt, eutectic hydrated salt, linear paraffin, paraffin class, fatty acid and polyethylene glycol.
6. backboard according to claim 4, is characterized in that, the material of described exterior wall material is any one or a few in polyethylene, polystyrene, polyureas, polyamide, epoxy resin, Lauxite, three chlorocyanamides-formaldehyde resin.
7. a photovoltaic module, is characterized in that, comprising:
Backboard, and be arranged at the solar battery sheet in described backboard front;
Wherein, described backboard comprises supporting layer, and is positioned at first tack coat at the described supporting layer back side, and microcapsules are contained in described the first tack coat inside, and phase-change material is contained in described microcapsules inside.
8. photovoltaic module according to claim 7, is characterized in that, described backboard also comprises:
Be positioned at second tack coat in described supporting layer front, microcapsules are contained in described the second tack coat inside, and phase-change material is contained in described microcapsules inside;
Be positioned at the second fluorine-containing layer in described the second tack coat front;
Be positioned at the first fluorine-containing layer at the described first tack coat back side.
9. photovoltaic module according to claim 7, is characterized in that, described backboard also comprises:
Be positioned at the second fluorine-containing layer in described supporting layer front, microcapsules are contained in described second fluorine-containing layer of inside, and phase-change material is contained in described microcapsules inside;
Be positioned at the first fluorine-containing layer at the described first tack coat back side.
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| CN 201220680172 CN202996862U (en) | 2012-12-11 | 2012-12-11 | Backboard and photovoltaic assembly |
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| CN 201220680172 CN202996862U (en) | 2012-12-11 | 2012-12-11 | Backboard and photovoltaic assembly |
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| CN105895721A (en) * | 2016-04-29 | 2016-08-24 | 晶澳太阳能有限公司 | Double-side solar cell module |
| CN106634726A (en) * | 2015-10-30 | 2017-05-10 | 苏州市达昇电子材料有限公司 | Application of heat storage adhesive |
| CN106634727A (en) * | 2015-10-30 | 2017-05-10 | 苏州市达昇电子材料有限公司 | Heat storage glue |
| CN106788237A (en) * | 2017-01-06 | 2017-05-31 | 河海大学常州校区 | A kind of Novel photo modification high-efficiency photovoltaic system |
| CN108365034A (en) * | 2018-01-19 | 2018-08-03 | 合肥晶澳太阳能科技有限公司 | Heat dissipating layer containing phase-change material and preparation method thereof and solar photovoltaic assembly comprising the heat dissipating layer |
| CN109103292A (en) * | 2018-07-31 | 2018-12-28 | 深圳众厉电力科技有限公司 | A kind of efficient photovoltaic component system |
| WO2019242723A1 (en) * | 2018-06-21 | 2019-12-26 | 北京铂阳顶荣光伏科技有限公司 | Photovoltaic power generation system, photovoltaic apparatus and photovoltaic assembly |
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2012
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| CN106634727A (en) * | 2015-10-30 | 2017-05-10 | 苏州市达昇电子材料有限公司 | Heat storage glue |
| CN105895721A (en) * | 2016-04-29 | 2016-08-24 | 晶澳太阳能有限公司 | Double-side solar cell module |
| CN106788237A (en) * | 2017-01-06 | 2017-05-31 | 河海大学常州校区 | A kind of Novel photo modification high-efficiency photovoltaic system |
| CN106788237B (en) * | 2017-01-06 | 2018-02-23 | 河海大学常州校区 | A kind of Novel photo modification high-efficiency photovoltaic system |
| CN108365034A (en) * | 2018-01-19 | 2018-08-03 | 合肥晶澳太阳能科技有限公司 | Heat dissipating layer containing phase-change material and preparation method thereof and solar photovoltaic assembly comprising the heat dissipating layer |
| WO2019242723A1 (en) * | 2018-06-21 | 2019-12-26 | 北京铂阳顶荣光伏科技有限公司 | Photovoltaic power generation system, photovoltaic apparatus and photovoltaic assembly |
| CN109103292A (en) * | 2018-07-31 | 2018-12-28 | 深圳众厉电力科技有限公司 | A kind of efficient photovoltaic component system |
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Effective date of registration: 20160204 Address after: The British Virgin Islands of Tortola Rodez VG1110 Patentee after: Fai Fai investment management company Address before: 214200 Jiangsu city of Wuxi province Yixing Qingyuan Road Economic Development Zone No. 27 (East) Patentee before: Zhejiang Yuhui Solar Energy Jiangsu Co., Ltd. |
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