CN208655667U - Heat dissipation type high photovoltaic backboard and its making apparatus - Google Patents
Heat dissipation type high photovoltaic backboard and its making apparatus Download PDFInfo
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- CN208655667U CN208655667U CN201821595511.2U CN201821595511U CN208655667U CN 208655667 U CN208655667 U CN 208655667U CN 201821595511 U CN201821595511 U CN 201821595511U CN 208655667 U CN208655667 U CN 208655667U
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- backboard
- heat dissipation
- type high
- feed chamber
- dissipation type
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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
- Y02E10/52—PV systems with concentrators
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Photovoltaic Devices (AREA)
Abstract
A kind of heat dissipation type high photovoltaic backboard, including backboard sandwich layer, the inside white reflecting layer positioned at backboard sandwich layer side and the outside black heat dissipating layer positioned at the backboard sandwich layer other side, the inside white reflecting layer with a thickness of 10-100 microns, the outside black heat dissipating layer with a thickness of 10-100 microns.So there is excellent heat sinking function, excellent hydrolysis, light aging resisting property, water vapor rejection performance, and manufacture craft is simple, generating efficiency is high.The utility model also provides a kind of making apparatus of heat dissipation type high photovoltaic backboard.
Description
Technical field
The utility model relates to photovoltaic technology field, especially a kind of heat dissipation type high photovoltaic backboard and its production are set
It is standby.
Background technique
The generated output of solar photovoltaic assembly is more sensitive to temperature, and temperature is every to rise 1 degree Celsius, and generated output declines
Subtract 0.4%, therefore the heat dissipation of backboard has a major impact the performance of photovoltaic module.
The backboard of existing photovoltaic module is all using PVF (polyvinyl fluoride thin film)-PET (mylar)-PVF three-layer thin-film
The notacoria of composition, abbreviation TPT, wherein outside (air side) protective layer PVF has good environment resistant erosiveness, middle layer
PET has good insulation performance, and inside PVF surface treated and EVA have good adhesive property.
But this solar energy backboard using TPT structure, PET material is intolerant to hydrolysis and light fugitive aging, thermal diffusivity
It is poor.Light reflectivity on the inside of backboard is 75~80%, and the heat dissipation performance of backboard air side is weak, and backboard thermal coefficient is less than
0.5W/m2C。
Utility model content
In view of this, the present invention provides a kind of with excellent heat sinking function, excellent hydrolysis, light fastness aging
Energy, water vapor rejection performance, and the heat dissipation type high photovoltaic backboard and backboard sandwich layer system that manufacture craft is simple, generating efficiency is high
Make equipment, to solve the above problems.
A kind of heat dissipation type high photovoltaic backboard, it is anti-including backboard sandwich layer, the inside white positioned at backboard sandwich layer side
Penetrate layer and the outside black heat dissipating layer positioned at the backboard sandwich layer other side, the inside white reflecting layer it is micro- with a thickness of 10-100
Rice, the outside black heat dissipating layer with a thickness of 10-100 microns.
A kind of making apparatus of heat dissipation type high photovoltaic backboard, including extruder, pressure roll, chill roll, Ruo Ganchuan
Dynamic roller, rolling unit and molding material path, the extruder have top feed chamber, the middle part feed below the feed chamber of top
Chamber and the lower part feed chamber below the feed chamber of middle part, and be set to extruder one end and with top feed chamber, middle part
The molding die that feed chamber and lower part feed chamber are connected to, the molding material path is horizontally placed on the lower section of molding die, described
Pressure roll is oppositely arranged with chill roll, and between pressure roll and chill roll have gap, several live-rollers be set to chill roll with
Between rolling unit, there is cooling device inside the chill roll.
Compared with prior art, the heat dissipation type high photovoltaic backboard of the utility model includes backboard sandwich layer, is located at back
The inside white reflecting layer of plate core layer side and outside black heat dissipating layer positioned at the backboard sandwich layer other side, the inside white are anti-
Penetrate layer with a thickness of 10-100 microns, the outside black heat dissipating layer with a thickness of 10-100 microns.So there is excellent heat dissipation
Function, excellent hydrolysis, light aging resisting property, water vapor rejection performance, and manufacture craft is simple, generating efficiency is high.This is practical
It is novel that a kind of making apparatus of heat dissipation type high photovoltaic backboard is also provided.
Detailed description of the invention
The embodiments of the present invention are described below in conjunction with attached drawing, in which:
Fig. 1 is the side sectional view of heat dissipation type high photovoltaic backboard provided by the utility model.
Fig. 2 is the schematic diagram of the making apparatus of heat dissipation type high photovoltaic backboard provided by the utility model.
Specific embodiment
Specific embodiment of the utility model is further elaborated below based on attached drawing.It should be understood that
The explanation of the utility model embodiment is not used to herein to limit the protection scope of the utility model.
Referring to FIG. 1, it is the schematic diagram of heat dissipation type high photovoltaic backboard provided by the utility model, this is practical new
The heat dissipation type high photovoltaic backboard that type provides includes backboard sandwich layer 110, inside white reflecting layer 120 and the heat dissipation of outside black
Layer 130, inside white reflecting layer 120 is using white high reflectance modified material, such as high reflection polyolefine modified material, high reflection
Polyvinyl fluoride material, high reflection polyvinylidene fluoride material etc.；Outside black heat dissipating layer 130 uses and inside white reflecting layer 120
The filling-modified material of black nano with good compatibility, heat dissipation type high, such as black nano filled nylon modified material, black
The nano-filled modified polyolefine material of color, the filling-modified polyvinyl fluoride material of black nano, black nano is filling-modified gathers inclined fluorine
Vinyl material or the filling-modified material of other black nanos.
Inside white reflecting layer 120 can go out infrared light reflection, reduce photovoltaic module temperature；Outside black heat dissipating layer
130 use high heat sink material, and the temperature conduction of photovoltaic module is gone out.
Heat dissipation type high photovoltaic backboard provided by the utility model has excellent heat sinking function, and photovoltaic group is effectively reduced
Part temperature, while excellent hydrolysis, light aging resisting property, water vapor rejection performance are had both, and manufacture craft is simple, environment friend
It is good.Thermal coefficient on the outside of backboard is greater than 1.5W/m2C, 92% or more light reflectivity on the inside of backboard.
Photovoltaic module uses such novel backboard, and temperature can be with low 3~5 degrees Celsius compared with conventional backing plate, and photovoltaic module generates electricity
Power improves 3~5 watts or more.
Table 1 is that heat dissipation type high photovoltaic backboard provided by the utility model and TPT backboard, the every of KPK backboard join
Several test data contrast tables.
1 test data contrast table of table
From table 1 it follows that the heat dissipation type high photovoltaic backboard of this programme is protected with superior extension at break
Stay generated energy under rate, bigger splitting power, identical power conditions higher.
Referring to FIG. 2, it is a kind of for making the system of heat dissipation type high photovoltaic backboard provided by the utility model
Make the schematic diagram of equipment, including extruder 210, pressure roll 220, chill roll 230, several live-rollers 240, rolling unit 250 and
Form material path 260.Extruder 210 have top feed chamber 213, positioned at the lower section of top feed chamber 213 middle part feed chamber 214 and
Lower part feed chamber 215 positioned at the lower section of middle part feed chamber 214, and be set to extruder 210 one end and with top feed chamber
213, the molding die 212 that middle part feed chamber 214 and lower part feed chamber 215 are connected to, molding material path 260 are horizontally placed on molding
The lower section of die head 212, pressure roll 220 are oppositely arranged with chill roll 230, and between having between pressure roll 220 and chill roll 230
Gap, several live-rollers 240 are set between chill roll 230 and rolling unit 250.There is cooling device inside chill roll 230.Pressure
Power roller 220 and the opposite thickness to press for heat dissipation type high photovoltaic backboard to be arranged of chill roll 230.
It is provided with the filling-modified material of black nano in top feed chamber 213, is provided with polyolefin copolymer in middle part feed chamber 214
Object (PO), lower part feed chamber 215 are provided with white high reflectance modified material, and at molding die 212, black nano is filling-modified
Material, polyolefin copolymer and white high reflectance modified material are extruded to form the sheet-like melt with certain wide cut jointly,
Sheet-like melt along molding material path 260 be moved in the gap between pressure roll 220 and chill roll 230, by pressure roll 220 with it is cold
But the opposite pressure of roller 230 and the cooling effect of chill roll 230, are cooled and shaped the heat dissipation type high solar energy for straticulate structure
Photovoltaic back.Heat dissipation type high photovoltaic backboard in the conduction to rolling unit 250 of several live-rollers 240 by being wound.
Compared with prior art, the heat dissipation type high photovoltaic backboard of the utility model includes backboard sandwich layer, and inside is white
Color reflecting layer and outside black heat dissipating layer, the inside white reflecting layer with a thickness of 10-100 microns, the outside black dissipate
Thermosphere with a thickness of 10-100 microns.So there is excellent heat sinking function, excellent hydrolysis, light aging resisting property, steam resistance
Separating performance, and manufacture craft is simple, generating efficiency is high.The utility model also provides a kind of heat dissipation type high photovoltaic backboard
Making apparatus.
The above is only the preferred embodiments of the utility model, are not used to the limitation protection scope of the utility model, any
Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the scope of the claims of the utility model.
Claims (2)
1. a kind of heat dissipation type high photovoltaic backboard, it is characterised in that: the heat dissipation type high photovoltaic backboard includes back
Plate core layer, the inside white reflecting layer positioned at backboard sandwich layer side and the outside black heat dissipating layer positioned at the backboard sandwich layer other side,
The inside white reflecting layer with a thickness of 10-100 microns, the outside black heat dissipating layer with a thickness of 10-100 microns.
2. a kind of making apparatus of heat dissipation type high photovoltaic backboard, it is characterised in that: including extruder, pressure roll, cooling
Roller, several live-rollers, rolling unit and molding material path, the extruder have top feed chamber, are located at below the feed chamber of top
Middle part feed chamber and the lower part feed chamber below the feed chamber of middle part, and be set to extruder one end and with top supply
The molding die that material chamber, middle part feed chamber and lower part feed chamber are connected to, the molding material path are horizontally placed on molding die
Lower section, the pressure roll are oppositely arranged with chill roll, and have gap between pressure roll and chill roll, and several live-rollers are set to
Between chill roll and rolling unit, there is cooling device inside the chill roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595511.2U CN208655667U (en) | 2018-09-28 | 2018-09-28 | Heat dissipation type high photovoltaic backboard and its making apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595511.2U CN208655667U (en) | 2018-09-28 | 2018-09-28 | Heat dissipation type high photovoltaic backboard and its making apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208655667U true CN208655667U (en) | 2019-03-26 |
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ID=65774864
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821595511.2U Active CN208655667U (en) | 2018-09-28 | 2018-09-28 | Heat dissipation type high photovoltaic backboard and its making apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN208655667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244168A (en) * | 2018-09-28 | 2019-01-18 | 浙江中聚材料有限公司 | Heat dissipation type high photovoltaic backboard and its making apparatus |
-
2018
- 2018-09-28 CN CN201821595511.2U patent/CN208655667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244168A (en) * | 2018-09-28 | 2019-01-18 | 浙江中聚材料有限公司 | Heat dissipation type high photovoltaic backboard and its making apparatus |
| CN109244168B (en) * | 2018-09-28 | 2024-04-19 | 浙江中聚材料有限公司 | High heat dissipation type solar photovoltaic backboard and manufacturing equipment thereof |
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