CN203013757U - High-efficiency heat radiation photovoltaic back film material - Google Patents
High-efficiency heat radiation photovoltaic back film material Download PDFInfo
- Publication number
- CN203013757U CN203013757U CN 201220669805 CN201220669805U CN203013757U CN 203013757 U CN203013757 U CN 203013757U CN 201220669805 CN201220669805 CN 201220669805 CN 201220669805 U CN201220669805 U CN 201220669805U CN 203013757 U CN203013757 U CN 203013757U
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- silica gel
- layer
- heat radiation
- material layer
- photovoltaic back
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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
Abstract
The utility model discloses a high-efficiency heat radiation photovoltaic back film material. The high-efficiency heat radiation photovoltaic back film material comprises a high reflection liquid silica gel layer and a high-molecular heat radiation base material layer which are laminated, preferably, the high reflection liquid silica gel layer comprises a white liquid silica gel layer, the high-molecular heat radiation base material layer comprises a thermosetting high-molecular base material layer, and the thermosetting high-molecular base material layer is provided with a heat radiation metal structure. The high-efficiency heat radiation photovoltaic back film material has properties of simple structure, easy processing, low cost and good heat radiation performance, can effectively improve generating efficiency of a photovoltaic assembly and enables the photovoltaic assembly to have longer service life.
Description
Technical field
The utility model relates to a kind of photovoltaic module, relates in particular to a kind of structure improved high-efficient heat-dissipating photovoltaic back membrane material that has, and belongs to field of photovoltaic power generation.
Background technology
Solar power generation is emerging renewable energy technologies, has realized at present commercial application.Be a kind of photovoltaic module commonly used at present referring to Fig. 1, it comprises that wherein each cell piece 8 also passes through interconnecting strip 3 series connection such as grade and/or in parallel, and is electrically connected to terminal box 7 with the fixing toughened glass 2 of assembling of aluminium frame 1, EVA layer 4, cell piece 8, TPT layer 6 etc.; Its preparation method comprises: after aforementioned layers of material is stacked gradually, at the temperature of 140 ℃ of left and right, in vacuum laminator lamination 10-20 minute, then frame up with aluminium frame 1, and with edge part with silica gel 5 sealings.Then this photovoltaic device has many deficiencies, for example need use at high temperature laminating packaging of heat molten type EVA glued membrane, can damage cell piece, causes generating efficiency to reduce; And light reflectance and the thermal diffusivity of cell piece bottom are bad, cause generating efficiency impaired.
Summary of the invention
The purpose of this utility model is to provide a kind of and has structure improved high-efficient heat-dissipating photovoltaic back membrane material, thereby overcomes deficiency of the prior art.
For realizing above-mentioned utility model purpose, the utility model has adopted following technical scheme:
A kind of high-efficient heat-dissipating photovoltaic back membrane material comprises high reflective liquid layer of silica gel and the macromolecule heat radiating material layer of stacked setting including the heat radiating metal structure in described macromolecule heat radiating material layer.
Further say, the reflective liquid layer of silica gel of described height comprises the white liquid layer of silica gel, and it can be formed by the liquid silica gel material doped with Chinese whites such as titanium dioxides, but is not limited to this.
Described macromolecule heat radiating material layer comprises the thermosetting macromolecule substrate layer.
The folded cell piece that is provided with in the reflective liquid layer of silica gel of described height top.
Described cell piece top is provided with stacked from top to bottom high printing opacity header board material layer and high light-transmissive fluid layer of silica gel.
Described high printing opacity header board material layer comprises high printing opacity lightweight polymer material layer.
As a preferred application scheme of the present utility model, within this high-efficient heat-dissipating photovoltaic back membrane material can be applied to a kind of high printing opacity lighting photovoltaic module.
Particularly, this high printing opacity lighting photovoltaic module can comprise the high printing opacity header board material layer that is cascading from top to bottom, high light-transmissive fluid layer of silica gel, cell piece, high reflective liquid layer of silica gel and macromolecule heat radiating material layer, and the surrounding edge of described photovoltaic module is provided with sealing joint strip.
Compared with prior art, advantage of the present utility model comprises:
(1) by adopting reflective liquid silica gel material, particularly have the white liquid silica gel of high-strength reflective function, effectively increased the light reflectance of cell piece bottom.Wherein, white liquid silica gel preferably adopts the liquid silica gel doped with inorganic pigment titanium dioxide etc., so, also can improve the thermal diffusivity of photovoltaic module.
(2) by being aided with macromolecule heat radiating material layer, especially the macromolecule heat radiating material layer that is formed by the thermosetting macromolecule material that is added with inorganic material with excellent radiating effect and heat radiating metal structure, can derive by the more efficient heat that cell piece is produced, improve generating efficiency.
Description of drawings
Fig. 1 is the structural representation of a kind of photovoltaic module in prior art;
Fig. 2 is the structural representation of high-efficient heat-dissipating photovoltaic back membrane material in the utility model one preferred embodiment;
Fig. 3 is the structural representation of using a kind of high printing opacity lighting photovoltaic module of high-efficient heat-dissipating photovoltaic back membrane material shown in Figure 2;
Description of reference numerals: aluminium frame 1, toughened glass 2, interconnecting strip 3, EVA layer 4, silica gel 5, TPT layer 6, terminal box 7, cell piece 8, high printing opacity lighting photovoltaic module 10, high printing opacity header board material layer 11, high light-transmissive fluid layer of silica gel 12, cell piece 13, high reflective liquid layer of silica gel 14, macromolecule heat radiating material layer 15, sealing joint strip 16.
Embodiment
Below in conjunction with a preferred embodiment and accompanying drawing, the technical solution of the utility model is further described.
Consult Fig. 2, the related a kind of high-efficient heat-dissipating photovoltaic back membrane material of the present embodiment comprises high reflective liquid layer of silica gel 14 and the macromolecule heat radiating material layer 15 of stacked setting, includes the heat radiating metal structure in described macromolecule heat radiating material layer 15.
As one of preferred embodiment, described heat radiating metal structure can be combined to form by heat dissipation metal plate, network-like heat radiating metal structure, heat radiating metal line or its.
As one of preferred embodiment, the reflective liquid layer of silica gel of described height comprises the white liquid layer of silica gel, and it can be formed by the liquid silica gel material doped with Chinese whites such as titanium dioxides.
As one of preferred embodiment, described macromolecule heat radiating material layer comprises the thermosetting macromolecule substrate layer, and it can be formed by all kinds of thermoset macromolecule materials that commonly use this area, as phenolic resins, and epoxy resin etc.
Further, consult Fig. 3, a kind of concrete application as the present embodiment, it relates to a kind of high printing opacity lighting photovoltaic module 10, comprise the high printing opacity header board material layer 11 that is cascading from top to bottom, high light-transmissive fluid layer of silica gel 12, cell piece 13, high reflective liquid layer of silica gel 14 and macromolecule heat radiating material layer 15, and the surrounding edge of described photovoltaic module 10 is provided with sealing joint strip 16.
Further, described high printing opacity header board material layer comprises high printing opacity lightweight polymer material layer, the high printing opacity macromolecular material of its lightweight that can adopt one or more this areas to commonly use is made, as PMMA, PC material or its alloy material, perhaps, also can adopt the high printing opacity macromolecular material film-stack by different refractivity to combine.
Aforesaid high light-transmissive fluid silica gel material can adopt commercially available various high light-transmissive fluid silica gel material, for example, the Dongguan City victory waffle work Co., Ltd bonding high transparent liquid silica gel of selectivity of producing, model that Shenzhen dragon attitude Electron Material Co., Ltd produces are the liquid silica gel of LT-6580A/B etc.
Aforesaid " high printing opacity " refers to light transmittance more than 94%, and reflecting rate is more than 90%.
The preparation method of this high printing opacity lighting photovoltaic module 10 comprises: after aforementioned layers of material is stacked gradually, then with sealing joint strip with its surrounding edge sealed package, obtain target product.
Obviously, compare with existing photovoltaic module, this high printing opacity lighting photovoltaic module has following advantage at least:
(1) use the macromolecular material of lighting to substitute traditional toughened glass, and need not to adopt the aluminium frame, the overall weight of photovoltaic module is significantly reduced, be convenient to movement and assembling;
(2) use liquid silica gel material substitution heat molten type EVA, need not the high temperature lamination when assembling with cell piece, can be to the cell piece injury, and, the good anti-yellowing property and the light penetration that have because of liquid silica gel, make the performance of photovoltaic module improve, in addition, the packaging efficiency of photovoltaic module is greatly improved;
(3) by at the cell piece rear, reflective liquid silica gel material being set, particularly have the white liquid silica gel of high-strength reflective function, effectively increased light reflectance and the thermal diffusivity of cell piece bottom.
(4) by being aided with macromolecule heat radiating material layer, can derive by the more efficient heat that cell piece is produced, improve generating efficiency.
In general, this high printing opacity lighting photovoltaic module is than existing photovoltaic module, and is not only simple in structure, lighter weight, and be easier to processing, cost is more cheap, and has better heat dispersion and generating efficiency and longer useful life.
Above preferred embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique is not in the situation that break away from spirit and scope of the present utility model, do various conversion or modification, all belonged to category of the present utility model.
Claims (6)
1. a high-efficient heat-dissipating photovoltaic back membrane material, is characterized in that, it comprises high reflective liquid layer of silica gel (14) and the macromolecule heat radiating material layer (15) of stacked setting, includes the heat radiating metal structure in described macromolecule heat radiating material layer (15).
2. high-efficient heat-dissipating photovoltaic back membrane material according to claim 1, is characterized in that, the reflective liquid layer of silica gel of described height (14) comprises the white liquid layer of silica gel.
3. high-efficient heat-dissipating photovoltaic back membrane material according to claim 1, is characterized in that, described macromolecule heat radiating material layer (15) comprises the thermosetting macromolecule substrate layer.
4. high-efficient heat-dissipating photovoltaic back membrane material according to claim 1, is characterized in that, the folded cell piece (13) that is provided with in the reflective liquid layer of silica gel of described height (14) top.
5. high-efficient heat-dissipating photovoltaic back membrane material according to claim 4, is characterized in that, is provided with stacked from top to bottom high printing opacity header board material layer (11) and high light-transmissive fluid layer of silica gel (12) above described cell piece (13).
6. high-efficient heat-dissipating photovoltaic back membrane material according to claim 5, is characterized in that, described high printing opacity header board material layer (11) comprises high printing opacity lightweight polymer material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669805 CN203013757U (en) | 2012-12-07 | 2012-12-07 | High-efficiency heat radiation photovoltaic back film material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669805 CN203013757U (en) | 2012-12-07 | 2012-12-07 | High-efficiency heat radiation photovoltaic back film material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013757U true CN203013757U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220669805 Expired - Fee Related CN203013757U (en) | 2012-12-07 | 2012-12-07 | High-efficiency heat radiation photovoltaic back film material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013757U (en) |
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2012
- 2012-12-07 CN CN 201220669805 patent/CN203013757U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20181207 |