CN206116432U - A reflective membrane for improving battery piece generated power - Google Patents
A reflective membrane for improving battery piece generated power Download PDFInfo
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- CN206116432U CN206116432U CN201620948614.7U CN201620948614U CN206116432U CN 206116432 U CN206116432 U CN 206116432U CN 201620948614 U CN201620948614 U CN 201620948614U CN 206116432 U CN206116432 U CN 206116432U
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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
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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
- 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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Abstract
The utility model relates to a reflective membrane for improving battery piece generated power, base material is regarded as with PVC layer (1) to the reflective membrane, and the obverse and reverse bonding on PVC layer (1) has TPU layer (2), and it has ABS layer (3) to adhere on PVC layer (1) positive TPU layer (2) the surperficial hot pressing on ABS layer becomes reflect sunlight reflection configuration (4), has plated one deck metal reflecting membrane (5) on reflection configuration's (4) surface, has one deck transparent insulation protective layer (6) at the surperficial evenly spray of metal reflecting membrane (5). The utility model discloses change substrate such as traditional glass fiber and utilized the compound not environmental protection technology that waits of glue, made low in production cost, not only environmental protection but also ageing resistance, the corrosion -resistant still good reflection of light strip membrane of insulating properties, simple process not only, easy operation, assembly line production efficiency is high, has reduced manufacturing cost equally, moreover without the compound back of glue, has solved the environmental pollution that solvent -borne type glue brought and has reached higher cost.
Description
Technical field
This utility model is related to a kind of reflective membrane for improving cell piece generated output.Belong to photovoltaic field.
Background technology
Crystal silicon solar photovoltaic cell industrialization at present has formed scale, and photovoltaic industry quickly grows, and technology also compares
It is more ripe, according to national latest report data, end in September, 2015, the accumulative photovoltaic generation installation of China has reached 37.95GW.But,
At this stage because current cost is also higher before solar energy power generating, photovoltaic project must could realize profit, institute by subsidy
To improve solar photovoltaic assembly transformation efficiency, reduce the early investment cost of photovoltaic project, be to realize photovoltaic electric power " par
One of necessary approach of online ".
Early investment cost is reduced, the conversion efficiency of photovoltaic module, in addition to silicon chip itself, lot of domestic and international producer is improved
Also think hard from manufacturing process.By the innovation to grid line printed design, the innovation to component manufacturing process technology is improved, right
The innovation of raw material manufacture and courageously on probation, it is achieved thereby that the reduction of cost and the raising of efficiency, in recent years in, solar energy
Photovoltaic module transformation efficiency can reduce 12% from 14.1% quantity for bringing up to photovoltaic arrays in 16.2%, 1MW generator units.
In reduces cost, the application and preparation of crystal-silicon battery slice grid line design and reflecting strips is one of key factor.Solaode
The grid line design of piece sensitive surface is should be thicker, more intensive better in order to collect photoelectric current, i.e. grid line to greatest extent, but this must
The light-receiving area of cell piece is so reduced, the contradiction of high shading is formed.And in the factor for affecting photovoltaic module production cost, it is brilliant
The cost of silicon cell positive electrode grid line silver or silver-colored aluminum slurry accounts for about the 20% of totle drilling cost, and affects the effect of solar energy power generating
The problems such as rate is mainly solar radiation quantity, the conversion ratio maximal power tracing of battery component, the welding of conventional photovoltaic assemblies is direct
It is welded on cell piece, and adjacent cell piece is interconnected, welding itself has certain width, can cover in cell piece
Part light-receiving area, affects the utilization of light, also cannot reflect away the light on welding surface, improves light utilization, increases
Plus component efficiency, and the popularization and application of reflecting strips also relate to the performance of its selection of material, cost performance, preparation technology, production effect
Rate, enables reflecting strips to reduce indirectly unit cost of electricity-generating to greatest extent, improves the solar energy power generating rate of exchange.Therefore seek
It is a kind of that there is low shading rate, low cost, high transformation efficiency cell piece point-like main gate line to interconnect reflective battery component and its preparation side
Method is particularly important.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of for improving cell piece for above-mentioned prior art
The reflective membrane of generated output, reduces production cost and environmental pollution.
The technical scheme in the invention for solving the above technical problem is：It is a kind of for improving cell piece generated output
Reflective membrane, the reflective membrane are bonded with thermoplastic polyurethane material in the obverse and reverse of layer of PVC using layer of PVC as base material
TPU layer made by material, has abs layer in the positive TPU layer adhered thereto of layer of PVC, is hot pressed into reflection too on the surface of the abs layer
The catoptric arrangement of sunlight, is coated with layer of metal reflective membrane on the surface of catoptric arrangement, in the surface even application of reflective metal film
There is the insulating protective layer of layer of transparent.
Preferably, there is insulation tank from the upper surface of reflective metal film is down-set apart from reflective membrane both sides equidistant position.
Preferably, the catoptric arrangement is the isosceles triangular structure that base angle is 30-45 °, and its density is in 1-2.8mm2
In the range of have 10-12 isosceles triangular structure.
Compared with prior art, the utility model has the advantage of：
1st, using the reflectorized strip film manufacturing process technology of novel and unique, the base materials such as traditional glass fibre and profit are changed
Not environmentally technique is waited with glue is compound, low production cost is made, not only environmental protection aging resistance again, it is corrosion-resistant and good anti-of insulating properties
Rhizoma Dioscoreae (peeled) film, not only process is simple, easy to operate, production line balance efficiency high, equally reduces production cost, and multiple without glue
After conjunction, environmental pollution and higher cost that solvent-borne type glue brings are solved.
2nd, insulation tank is opened up using reflecting strips two ends and avoid the short-circuit conditions being likely to occur between cell piece well, really
Protect the security performance of battery component.
3rd, transparent insulating layer is sprayed using reflecting strips layer on surface of metal, had both ensured that reflecting strips had good insulating properties,
Protect reflecting strips metal level again well, improve the aging resistance and decay resistance of reflecting strips metal level, its service life can
Up to more than 30 years.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
With reference to embodiments this utility model is described in further detail.
Referring to Fig. 1, this utility model is related to a kind of reflective membrane for improving cell piece generated output, the reflective membrane with
Layer of PVC 1 is bonded with thermoplastic polyurethane material made by TPU layer 2 in the obverse and reverse of layer of PVC 1 as base material,
1 positive TPU layer of layer of PVC, 2 adhered thereto has abs layer 3, and the general thickness of four-layer structure is 120 microns, in the abs layer
Surface is hot pressed into the catoptric arrangement 4 of reflected sunlight, and catoptric arrangement is micro- shape isosceles triangular structure, or other micro structures,
Layer of metal reflective membrane 5 is coated with the surface of catoptric arrangement 4, the thickness of reflective metal film is 0.35 micron, while anti-in metal
The surface even application of light film 5 has the insulating protective layer 6 of the polyurethane material of layer of transparent, anti-from metal in the both sides of reflective membrane
The upper surface of light film 5 is provided with insulation tank 7 along abs layer, and the width of the insulation tank 7 is 0.1mm, and depth is 0.2mm, insulation tank
Effect predominantly avoid adjacent cell piece from connecting by reflective membrane current, cause short circuit.The TPU layer of the reflective membrane is that instead of
The upper and lower two-layer effect of glue heat fused, and transparent insulation performance is good, and adhesion is very strong, and carries micro- shape isosceles triangle sample
Concavo-convex structured metal surface layer, to play and reflex to front glass sheet by the light for projecting its surface and then reflex to battery again, from
And increase light utilization efficiency 5% and 2.5% components above power.Intermediate layer ABS and PVC material synthesis, plays strong basis and barriers function
Effect, and firm reflecting strips are formed, and subtracted so as to enhance the toughness and intensity of welding by the bonding of reflecting strips and welding
Lack the fracture of welding aging formation because of the impact of natural environment, extend photovoltaic module service life.
A kind of preparation method of above-mentioned reflecting strips is additionally provided in the present embodiment, be the method comprising the steps of：
Step one, by ABS plastic, thermoplastic polyurethane TPU, PVC and thermoplastic polyurethane TPU according to top-down side
Formula melting is combined into basic unit's body of layer structure, and the gross thickness of basic unit's body is 120 microns, heating roller temperature control during melting
At 145 DEG C-150 DEG C, linear velocity is 280-300 meters per minute, after cooling the big volume of harvest, the complex than glass fibre or
The stiffness of other plastics composite beds and tough Soft Bonding, tensile strength are good, and the peel strength of each layer is up to 25kg/cm, resistance to old
Change performance is good, and service life can surpass 30 years；
Step 2, minute surface mold pressing roll is prepared, ABS surface is hot pressed into the reflection knot of reflected solar energy using minute surface mold pressing roll
Structure, its surface are micro- shape isosceles triangular structure, and roller die parameter is：Temperature is 145-150 DEG C, 280-300 ms/min of linear velocity
Clock, 1-2.8mm2In the range of to be pressed into 10-12 base angle be 30-45 ° of isosceles triangular structure；
Step 3, the reflective structured surface using electroplating technology in step 2 plate layer of metal reflective membrane, wherein metal
The thickness of reflective membrane is 0.35 micron；
Step 4, the big volume of basic unit's body electroplated in step 3 is moved to into polyurethane coating machine, in reflective metal film table
The polyurethane film of face even application layer of transparent（Insulating protective layer）, reflective metal film insulation is covered, polyurethane spray
In painting machine charging basket, polyurethane liquid temperature is 165-170 DEG C, and spout pressure is 2-2.4kg；
It is step 5, hot forming after compound and again electroplated using import cutting machine according to battery strings welding width specifications
The big cut roll of reflective membrane into certain size strip, the cutting tension force of cutting machine is 0.15-0.40kg, linear velocity is 380-
400 ms/min；
Step 6, the strip reflective membrane for forming cutting are downward above reflective metal film with precise laser etching apparatus,
And an insulation tank is respectively being etched apart from strip reflective membrane both lateral sides equidistant position, and the preparation of reflecting strips is completed, it is carved exhausted
The width of edge groove is 0.1mm, and depth is 0.2mm, and the effect of this insulation tank predominantly avoids adjacent cell piece from passing through reflecting strips
Electric current is connected, and causes short circuit.
After above-mentioned reflecting strips are applied on battery component, according to test and measuring and calculating this utility model project photovoltaic module ratio
Conventional photovoltaic assemblies not only reduces cost 5%, also reduces shading surface 5%, and also improves light efficiency 5% and increased group
Part power more than 2.5%, and innovation not only reduces cost more than 15% prepared by reflectorized strip film, also improve the stretching of reflectorized strip film
Intensity and stripping degree of rising, and other performance index.The generation of welding crack conditions is also reduced simultaneously, extends photovoltaic module
Service life 5 years, drastically increases overall economic efficiency, has promoted the application and development of solar energy power generating energetically.
In addition to the implementation, this utility model also includes other embodiment, all employing equivalents or equivalent
The technical scheme that substitute mode is formed, all should fall within this utility model scope of the claims.
Claims (3)
1. a kind of reflective membrane for improving cell piece generated output, it is characterised in that：The reflective membrane is with layer of PVC（1）As
Base material, in layer of PVC（1）Obverse and reverse be bonded with TPU layer made by thermoplastic polyurethane material（2）, in layer of PVC
（1）Positive TPU layer（2）Adhered thereto has abs layer（3）, the reflection knot of reflected sunlight is hot pressed on the surface of the abs layer
Structure（4）, in catoptric arrangement（4）Surface be coated with layer of metal reflective membrane（5）, in reflective metal film（5）Surface even application
There is the insulating protective layer of layer of transparent（6）.
2. a kind of reflective membrane for improving cell piece generated output according to claim 1, it is characterised in that：In distance
Reflective membrane both sides equidistant position is from reflective metal film（5）Upper surface down-set have insulation tank（7）.
3. a kind of reflective membrane for improving cell piece generated output according to claim 1 and 2, it is characterised in that：Institute
State catoptric arrangement（4）For the isosceles triangular structure that base angle is 30-45 °, its density is in 1-2.8mm2In the range of have 10-12
Isosceles triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620948614.7U CN206116432U (en) | 2016-08-26 | 2016-08-26 | A reflective membrane for improving battery piece generated power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620948614.7U CN206116432U (en) | 2016-08-26 | 2016-08-26 | A reflective membrane for improving battery piece generated power |
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| CN206116432U true CN206116432U (en) | 2017-04-19 |
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| CN201620948614.7U Active CN206116432U (en) | 2016-08-26 | 2016-08-26 | A reflective membrane for improving battery piece generated power |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359215A (en) * | 2017-08-28 | 2017-11-17 | 善仁（浙江）新材料科技有限公司 | A kind of reflective membrane in photovoltaic module string spacing/piece spacing |
| CN107527966A (en) * | 2017-10-12 | 2017-12-29 | 无锡市斯威克科技有限公司 | A kind of photovoltaic refraction type reflective film |
| CN109539104A (en) * | 2018-10-22 | 2019-03-29 | 扬州新思路光电科技有限公司 | Energy-saving LED solar street light |
-
2016
- 2016-08-26 CN CN201620948614.7U patent/CN206116432U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359215A (en) * | 2017-08-28 | 2017-11-17 | 善仁（浙江）新材料科技有限公司 | A kind of reflective membrane in photovoltaic module string spacing/piece spacing |
| CN107527966A (en) * | 2017-10-12 | 2017-12-29 | 无锡市斯威克科技有限公司 | A kind of photovoltaic refraction type reflective film |
| CN109539104A (en) * | 2018-10-22 | 2019-03-29 | 扬州新思路光电科技有限公司 | Energy-saving LED solar street light |
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