CN108851410B - Flexible solar windproof umbrella - Google Patents
Flexible solar windproof umbrella Download PDFInfo
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- CN108851410B CN108851410B CN201810599442.0A CN201810599442A CN108851410B CN 108851410 B CN108851410 B CN 108851410B CN 201810599442 A CN201810599442 A CN 201810599442A CN 108851410 B CN108851410 B CN 108851410B
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- 239000004744 fabric Substances 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 28
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 13
- 238000010030 laminating Methods 0.000 claims description 13
- 238000003475 lamination Methods 0.000 claims description 12
- 229920006280 packaging film Polymers 0.000 claims description 12
- 239000012785 packaging film Substances 0.000 claims description 12
- 238000005538 encapsulation Methods 0.000 claims description 11
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000000565 sealant Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 239000012945 sealing adhesive Substances 0.000 abstract description 4
- 238000009958 sewing Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B25/00—Details of umbrellas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- 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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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a flexible solar windproof umbrella which comprises an umbrella rib, an umbrella rod and a handle, wherein main umbrella cloth covers the umbrella rib, auxiliary umbrella cloth for assembling a solar cell group is covered on the main umbrella cloth, a plurality of cell assembling windows penetrating through the auxiliary umbrella cloth are uniformly distributed on the auxiliary umbrella cloth, a packaged cell string is installed in each cell assembling window, the plurality of packaged cell strings are connected in series to form a cell string group, more than two cell string groups are connected in parallel to form the solar cell group, an upper sealing adhesive film covering the whole auxiliary umbrella cloth is arranged on the front surface of the auxiliary umbrella cloth, and an ETFE film covering the whole auxiliary umbrella cloth is arranged on the upper sealing adhesive film. The auxiliary umbrella cloth reduces sewing between the battery pack and the umbrella cover, reduces impedance between the battery pieces and reduces secondary welding connecting lines through an integrated forming process, so that the efficiency of the solar battery is improved by 3-5%, the surface of the appearance is smooth, the auxiliary umbrella cloth is easy to roll and fold, the auxiliary umbrella cloth does not need to be repeatedly disassembled in the using process, and the hidden arrangement of the battery piece connecting wires is not easy to damage.
Description
Technical Field
The invention relates to a windproof umbrella, in particular to a flexible solar windproof umbrella.
Background
Solar energy is a renewable, clean and pollution-free new energy source which is not limited by regional resources, and is gradually and widely applied in a large range. The solar photovoltaic power generation occupies an important seat of world energy consumption in the 21 st century, and the proportion of the solar photovoltaic power generation in the world total power supply is estimated to reach more than 10% in 2030 years; by the end of the 21 st century, solar power generation will account for over 60%. These figures are sufficient to show the development prospects of the solar photovoltaic industry and its strategic position in the energy field.
The solar windproof umbrella is a product combining solar energy and the windproof umbrella, is used for power generation and is suitable for shading sun and preventing wind; present product in the market, conventional way is to combine with the umbrella face block through the battery cluster of singly organizing, forms the umbrella face block subassembly of electrified battery cluster, then makes up the umbrella face of formation solar cell umbrella with the piecing of the umbrella face block subassembly of electrified battery cluster, and the defect of existence is: the anti-resistance between the series connection of the battery strings is increased, the current is reduced, the concave-convex defect is formed on the surface of the appearance, the battery strings are not easy to roll and fold, the battery pieces need to be repeatedly disassembled in the using process, and the exposed connecting wires of the battery pieces are easy to damage, so that the circuit is easy to lose efficacy.
Disclosure of Invention
The invention aims to provide a flexible solar windproof umbrella, wherein auxiliary umbrella cloth is integrally formed, so that sewing manufacturing between a battery pack and an umbrella cover is reduced, impedance between battery pieces is reduced, secondary welding connecting wires are reduced, the efficiency of a solar battery is improved by 3-5%, the appearance surface is flat, the solar battery is easy to roll and fold, repeated disassembly is not needed in the using process, and the hidden arrangement of the battery piece connecting wires is not easy to damage.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a flexible solar windproof umbrella comprises an umbrella rib, an umbrella rod and a handle, wherein the umbrella rib is covered with a main umbrella cloth, the main umbrella cloth is covered with an auxiliary umbrella cloth for assembling a solar cell group, the auxiliary umbrella cloth is sewn on the umbrella rib, a plurality of cell assembling windows penetrating through the auxiliary umbrella cloth are uniformly distributed on the auxiliary umbrella cloth, a packaged cell string is installed in each cell assembling window, the packaged cells are connected in series to form a cell string group, more than two cell string groups are connected in parallel to form the solar cell group, the upper surface of the packaged cell string is flush with the front surface of the auxiliary umbrella cloth, the packaged cell string is provided with a ring edge bonded with the back surface of the auxiliary umbrella cloth, the packaged cell string is formed by compositely packaging a front water blocking film, an upper packaging film, a cell string body, a lower packaging film and a back water blocking film according to the sequence from top to bottom, the cell string body is formed by connecting the plurality of cells in series, the front surface of the auxiliary umbrella cloth is provided with an upper packaging film covering the, the upper sealing glue film is provided with an ETFE film covering the whole secondary umbrella cloth.
The ETFE membrane is ultraviolet-resistant, and UV-resistant, and can make the umbrella face wholly level after wholly covering. Go up to seal the glued membrane and be the EVA membrane, its resistant ultraviolet can make the umbrella face whole level after whole the covering, can also cushion the striking, tensile. The upper and lower packaging films are high-transmittance EVA films.
Preferably, the upper sealant film is an EVA film.
Preferably, the packaged battery strings are connected in series through a woven belt, and the woven belt is arranged on the back of the secondary umbrella cloth. The braided strap is flat copper braided strap, hides the arrangement more easily like this, because the design of battery piece assembly window, the braided strap can be walked the line from vice umbrella cloth back, hides the design, is difficult for damaging.
Preferably, the cell piece is a CIGS cell.
Preferably, the auxiliary umbrella cloth for assembling the solar cell set is prepared by adopting an integral forming process, and the integral forming process comprises the following steps:
(1) packaging the battery string assembly: the battery string is formed by compositely assembling a front side water-blocking film, an upper packaging film, a battery string body, a lower packaging film and a back side water-blocking film in sequence from top to bottom, and then entering a laminating machine for laminating processing, so that a packaged battery string is obtained;
(2) auxiliary umbrella cloth pretreatment: coating adhesive on the back of the auxiliary umbrella cloth around the battery piece assembling window, and then entering a laminating machine for low-temperature treatment to obtain pretreated auxiliary umbrella cloth;
(3) and assembling the packaged battery strings and the pretreated auxiliary umbrella cloth, connecting the packaged battery strings in series to form a battery string group, further connecting the battery string group in parallel to form a solar battery piece group, and then entering a laminating machine for high-temperature treatment to obtain a product.
The auxiliary umbrella cloth of the invention adopts an integral forming process, which can effectively solve the concave-convex defect, reduce the sewing steps, reduce the production cost, is easy to roll and fold, improve the battery efficiency and improve the integral aesthetic property, although the problems of concave-convex defect of the umbrella cover, increased resistance, repeated disassembly, difficult rolling and the like can be solved by forming an integral forming pattern between the battery piece and the auxiliary umbrella cloth through the process design, the integral forming between the battery piece and the umbrella cover in the processing of the solar windproof umbrella component has great technical difficulty, and the unfolding flatness formed between the battery piece and the umbrella cover is difficult to control, so the key of how to control the unfolding flatness after the integration is formed between the battery piece and the umbrella cover in the preparation process is very solved, and the inventor can effectively solve the problem of the concave-convex defect of the auxiliary umbrella cloth through the improvement of the structure arrangement and the laminating process after long-term exploration and research, and can reduce the step of making up, reduction in production cost easily rolls up and rolls over, improves battery efficiency, improves whole aesthetic property.
Preferably, the parameters of the lamination process in step (1) are set as follows:
firstly, vacuumizing the upper cavity and the lower cavity of the lamination cavity for 1-2 minutes, maintaining the vacuum degree at 0-20mbar and the temperature at 75 +/-2 ℃;
II, first-stage pressurization: the time is 1-2 minutes, the upper cavity is pressurized to 100-200mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 75 +/-2 ℃;
third, second-stage pressurization: the time is 1-2 minutes, the upper cavity is pressurized to 200-400mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 75 +/-2 ℃;
fourth, third-stage pressurization: the time is 1-2 minutes, the upper cavity is pressurized to 400-600mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 75 +/-2 ℃;
fifthly, inflating the lower cavity, and vacuumizing the upper cavity for 30 +/-1 seconds; and (5) taking out of the machine for cooling.
Preferably, the parameters of the low-temperature treatment in step (2) are set as follows:
firstly, vacuumizing the upper cavity and the lower cavity of the lamination cavity for 1 +/-0.5 minutes, maintaining the vacuum degree at 0-20mbar and the temperature at 65 +/-2 ℃;
II, first-stage pressurization: the time is 1 +/-0.5 minutes, the upper cavity is pressurized to 100-200mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 65 +/-2 ℃;
third, second-stage pressurization: the time is 1 +/-0.5 minutes, the upper cavity is pressurized to 200-400mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 65 +/-2 ℃;
fourth, third-stage pressurization: the time is 1 +/-0.5 minutes, the upper cavity is pressurized to 400-600mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 65 +/-2 ℃;
fifthly, inflating the lower cavity, and vacuumizing the upper cavity for 30 +/-1 seconds; and (5) taking out of the machine for cooling.
Preferably, the parameters of the high-temperature treatment in step (3) are set as follows:
firstly, vacuumizing the upper cavity and the lower cavity of the lamination cavity for 5-6 minutes, maintaining the vacuum degree at 0-20mbar and setting the initial temperature at 75 +/-2 ℃;
II, pressurizing in a temperature changing process: the time is 2-3 minutes, the upper cavity is pressurized to 100-300mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 81 +/-2 ℃;
thirdly, pressurizing in a two-stage temperature changing process: the time is 3-4 minutes, the upper cavity is pressurized to 300-600mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 115 +/-2 ℃; standing and maintaining the pressure for 2-3 minutes;
fourthly, three-stage temperature changing process pressurization: the time is 3-4 minutes, the upper cavity is pressurized to 600-800mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 135 +/-2 ℃; standing and maintaining the pressure for 5-8 minutes;
fifthly, inflating the lower cavity, and vacuumizing the upper cavity for 50 +/-1 seconds;
and sixthly, cooling and pressurizing, and taking the product out of the machine table for cooling.
Preferably, the process parameters of temperature reduction and pressurization are as follows: the time is 5-10 minutes, the upper cavity is pressurized to 600-800mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is reduced to 50 +/-2 ℃ from 135 +/-2 ℃.
Preferably, a circuit board and a storage battery are arranged in the handle, the solar cell panel group and the storage battery are both connected with the circuit board, a USB charging port is further arranged on one side of the handle, and the USB charging port is connected with the circuit board.
The invention has the beneficial effects that: the auxiliary umbrella cloth is integrally formed, sewing manufacturing between the battery pack and the umbrella cover is reduced, impedance between the battery pieces is reduced, secondary welding connecting lines are reduced, solar battery efficiency is improved by 3-5%, the appearance surface is smooth, the auxiliary umbrella cloth is easy to roll and fold, repeated disassembly is not needed in the using process, and the battery piece connecting wires are hidden and arranged and are not easy to damage.
Drawings
Fig. 1 is a schematic view of a main structure of the present invention.
Fig. 2 is a sectional view of the sub-canopy of the present invention.
Fig. 3 is a cross-sectional view of a packaged battery string of the present invention.
Fig. 4 is a top view (see through the rim) of the secondary canopy of the present invention.
In the figure: 1. umbrella rib, 2, umbrella pole, 3, handle, 4, main umbrella cloth, 5, vice umbrella cloth, 6, battery piece assembly window, 7, encapsulation battery cluster, 71, front face water-blocking film, 72, upper encapsulation film, 73, battery cluster body, 74, lower encapsulation film, 75, back water-blocking film, 76, ring limit, 8, upper sealing film, 9, ETFE membrane.
Detailed Description
The technical solution of the present invention will be further specifically described below by way of specific examples.
In the present invention, the raw materials and equipment used are commercially available or commonly used in the art, unless otherwise specified. The methods in the following examples are conventional in the art unless otherwise specified.
Example (b):
a flexible solar windproof umbrella comprises an umbrella rib 1, an umbrella rod 2 and a handle 3 (figure 1), wherein a main umbrella cloth 4 covers the umbrella rib, an auxiliary umbrella cloth 5 for assembling a solar cell group covers the main umbrella cloth, the auxiliary umbrella cloth is sewn on the umbrella rib, a plurality of cell assembling windows 6 penetrating through the auxiliary umbrella cloth are uniformly distributed on the auxiliary umbrella cloth, a packaged cell string 7 is installed in each cell assembling window, the packaged cell strings are connected in series to form a cell string group, the packaged cell strings are connected in series through a braided belt (commercially available, flat copper braided belt), and the braided belt is arranged on the back of the auxiliary umbrella cloth so as to be hidden; the solar cell module is formed by connecting more than two cell string groups in parallel, the upper surface of a packaging cell string is flush with the front surface of the secondary umbrella cloth, the packaging cell string is provided with a ring edge 76 adhered with the back surface of the secondary umbrella cloth, the packaging cell string is formed by compositely packaging a front surface water-blocking film 71 (commercially available, mitsubishi, PET water-blocking film), an upper packaging film 72 (commercially available, EVA film), a cell string body 73, a lower packaging film 74 (commercially available, EVA film) and a back surface water-blocking film 75 (commercially available, mitsubishi, PET water-blocking film) in sequence from top to bottom (fig. 3), the cell string body is formed by connecting a plurality of cell pieces (CIGS) in series, as shown in fig. 2, the front surface of the secondary umbrella cloth is provided with an upper sealing adhesive film 8 (commercially available, EVA film) covering the whole secondary umbrella cloth, and the upper sealing adhesive film is provided with an ETFE film 9. The solar battery pack is characterized in that a circuit board (commercially available, charging circuit board) and a storage battery are arranged in the handle, the solar battery pack and the storage battery are both connected with the circuit board, a USB charging port is further arranged on one side of the handle, and the USB charging port is connected with the circuit board.
The auxiliary umbrella cloth for assembling the solar cell set is prepared by adopting an integrated forming process, and the integrated forming process comprises the following steps:
(1) packaging the battery string assembly: the battery string is formed by compositely assembling a front water-blocking film, an upper packaging film, a battery string body, a lower packaging film and a back water-blocking film in sequence from top to bottom, and then entering a laminating machine for laminating processing, so that the packaged battery string is obtained.
The parameters of the lamination process were set as follows:
firstly, vacuumizing the upper cavity and the lower cavity of the lamination cavity for 1-2 minutes, maintaining the vacuum degree at 0-20mbar and the temperature at 75 +/-2 ℃;
II, first-stage pressurization: the time is 1-2 minutes, the upper cavity is pressurized to 100-200mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 75 +/-2 ℃;
third, second-stage pressurization: the time is 1-2 minutes, the upper cavity is pressurized to 200-400mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 75 +/-2 ℃;
fourth, third-stage pressurization: the time is 1-2 minutes, the upper cavity is pressurized to 400-600mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 75 +/-2 ℃;
fifthly, inflating the lower cavity, and vacuumizing the upper cavity (the vacuum degree is maintained at 0-20mbar) for 30 +/-1 seconds; and (5) taking out of the machine for cooling.
(2) Auxiliary umbrella cloth pretreatment: and coating glue (EVA glue) around the cell assembling window on the back of the auxiliary umbrella cloth, and then entering a laminating machine for low-temperature treatment to obtain the pretreated auxiliary umbrella cloth.
The parameters of the low temperature treatment were set as follows:
firstly, vacuumizing the upper cavity and the lower cavity of the lamination cavity for 1 +/-0.5 minutes, maintaining the vacuum degree at 0-20mbar and the temperature at 65 +/-2 ℃;
II, first-stage pressurization: the time is 1 +/-0.5 minutes, the upper cavity is pressurized to 100-200mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 65 +/-2 ℃;
third, second-stage pressurization: the time is 1 +/-0.5 minutes, the upper cavity is pressurized to 200-400mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 65 +/-2 ℃;
fourth, third-stage pressurization: the time is 1 +/-0.5 minutes, the upper cavity is pressurized to 400-600mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 65 +/-2 ℃;
fifthly, inflating the lower cavity, and vacuumizing the upper cavity (the vacuum degree is maintained at 0-20mbar) for 30 +/-1 seconds; and (5) taking out of the machine for cooling.
(3) And assembling the packaged battery strings and the pretreated auxiliary umbrella cloth, connecting the packaged battery strings in series to form a battery string group, further connecting the battery string group in parallel to form a solar battery piece group, and then entering a laminating machine for high-temperature treatment to obtain a product.
The parameters of the high temperature treatment were set as follows:
firstly, vacuumizing the upper cavity and the lower cavity of the lamination cavity for 5-6 minutes, maintaining the vacuum degree at 0-20mbar and setting the initial temperature at 75 +/-2 ℃;
II, pressurizing in a temperature changing process: the time is 2-3 minutes, the upper cavity is pressurized to 100-300mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 81 +/-2 ℃;
thirdly, pressurizing in a two-stage temperature changing process: the time is 3-4 minutes, the upper cavity is pressurized to 300-600mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 115 +/-2 ℃; standing and maintaining the pressure for 2-3 minutes;
fourthly, three-stage temperature changing process pressurization: the time is 3-4 minutes, the upper cavity is pressurized to 600-800mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 135 +/-2 ℃; standing and maintaining the pressure for 5-8 minutes;
fifthly, inflating the lower cavity, and vacuumizing the upper cavity (the vacuum degree is maintained at 0-20mbar) for 50 +/-1 seconds;
and sixthly, cooling and pressurizing, and taking the product out of the machine table for cooling. The technological parameters of temperature reduction and pressurization are as follows: the time is 5-10 minutes, the upper cavity is pressurized to 600-800mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is reduced to 50 +/-2 ℃ from 135 +/-2 ℃.
As shown in fig. 4, as a specific embodiment, the sub-umbrella cloth is a regular octagon, 16 cell piece assembling windows penetrating through the sub-umbrella cloth are uniformly distributed on the sub-umbrella cloth, one packaged cell string is installed in each cell piece assembling window, and a cell string body of the packaged cell string is formed by connecting 3 cell pieces (CIGS cells) in series. Every 8 packaged battery strings are connected in series to form a battery string group, and the two battery string groups are connected in parallel to form a solar battery piece group.
The main performance parameters of the product of the invention under the standard test conditions (the atmospheric quality is AM1.5,1000W/m2 irradiance, the battery working temperature is 25 ℃) have the following test results:
wet-heat test:
1. the purpose is as follows: the ability of the product to withstand long-term moisture penetration was determined.
2. The test conditions are as follows: +85 ℃ and 85% RH, the duration of the test being 300 h.
3. And (3) detecting a product:
a) no appearance damage;
b) the insulation resistance meets the requirement of the initial stage of the test;
c) the maximum power decay is no more than 20% of the initial test value.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (7)
1. The utility model provides a flexible solar windproof umbrella, includes rib, umbrella pole and handle, the rib coats and is stamped main umbrella cloth, its characterized in that, main umbrella cloth coats the vice umbrella cloth that has the assembly solar wafer group, and vice umbrella cloth stitches on the rib, the equipartition has a plurality of battery piece assembly windows that run through vice umbrella cloth on the vice umbrella cloth, installs encapsulation battery cluster in every battery piece assembly window, and a plurality of encapsulation battery cluster are established ties and are formed battery cluster group, and the parallelly connected solar wafer group that forms of battery cluster group more than two, and the upper surface of encapsulation battery cluster openly flushes with vice umbrella cloth, and the encapsulation battery cluster has the ring limit that bonds with vice umbrella cloth back, the encapsulation battery cluster is formed by front water-blocking film, last encapsulation membrane, battery cluster body, lower encapsulation membrane and the compound encapsulation of back water-blocking film according to from last order extremely down, the battery cluster body is formed by a plurality of battery piece series connection, the front surface of the auxiliary umbrella cloth is provided with an upper sealing glue film covering the whole auxiliary umbrella cloth, and the upper sealing glue film is provided with an ETFE film covering the whole auxiliary umbrella cloth;
the auxiliary umbrella cloth for assembling the solar cell set is prepared by adopting an integrated forming process, and the integrated forming process comprises the following steps:
(1) packaging the battery string assembly: the battery string is formed by compositely assembling a front side water-blocking film, an upper packaging film, a battery string body, a lower packaging film and a back side water-blocking film in sequence from top to bottom, and then entering a laminating machine for laminating processing, so that a packaged battery string is obtained;
(2) auxiliary umbrella cloth pretreatment: coating adhesive on the back of the auxiliary umbrella cloth around the battery piece assembling window, and then entering a laminating machine for low-temperature treatment to obtain pretreated auxiliary umbrella cloth;
(3) assembling the packaged battery strings and the pretreated auxiliary umbrella cloth, connecting the packaged battery strings in series to form a battery string group, further connecting the battery string group in parallel to form a solar battery piece group, and then entering a laminating machine for high-temperature treatment to obtain a product;
the parameters of the high-temperature treatment in the step (3) are set as follows:
firstly, vacuumizing the upper cavity and the lower cavity of the lamination cavity for 5-6 minutes, maintaining the vacuum degree at 0-20mbar and setting the initial temperature at 75 +/-2 ℃;
II, pressurizing in a temperature changing process: the time is 2-3 minutes, the upper cavity is pressurized to 100-300mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 81 +/-2 ℃;
thirdly, pressurizing in a two-stage temperature changing process: the time is 3-4 minutes, the upper cavity is pressurized to 300-600mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 115 +/-2 ℃; standing and maintaining the pressure for 2-3 minutes;
fourthly, three-stage temperature changing process pressurization: the time is 3-4 minutes, the upper cavity is pressurized to 600-800mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 135 +/-2 ℃; standing and maintaining the pressure for 5-8 minutes;
fifthly, inflating the lower cavity, and vacuumizing the upper cavity for 50 +/-1 seconds;
sixthly, cooling and pressurizing, and taking the product out of the machine table for cooling;
the parameters of the low-temperature treatment in the step (2) are set as follows:
firstly, vacuumizing the upper cavity and the lower cavity of the lamination cavity for 1 +/-0.5 minutes, maintaining the vacuum degree at 0-20mbar and the temperature at 65 +/-2 ℃;
II, first-stage pressurization: the time is 1 +/-0.5 minutes, the upper cavity is pressurized to 100-200mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 65 +/-2 ℃;
third, second-stage pressurization: the time is 1 +/-0.5 minutes, the upper cavity is pressurized to 200-400mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 65 +/-2 ℃;
fourth, third-stage pressurization: the time is 1 +/-0.5 minutes, the upper cavity is pressurized to 400-600mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 65 +/-2 ℃;
fifthly, inflating the lower cavity, and vacuumizing the upper cavity for 30 +/-1 seconds; and (5) taking out of the machine for cooling.
2. The flexible solar windproof umbrella according to claim 1, characterized in that the upper sealant film is an EVA film.
3. A flexible solar windproof umbrella according to claim 1, characterised in that the strings of encapsulated cells are connected in series by woven ribbons, the woven ribbons being arranged on the back of the secondary umbrella fabric.
4. A flexible solar windproof umbrella according to claim 1, wherein the cell segments are CIGS cells.
5. A flexible solar windproof umbrella according to claim 1, characterized in that the parameters of the lamination process in step (1) are set as follows:
firstly, vacuumizing the upper cavity and the lower cavity of the lamination cavity for 1-2 minutes, maintaining the vacuum degree at 0-20mbar and the temperature at 75 +/-2 ℃;
II, first-stage pressurization: the time is 1-2 minutes, the upper cavity is pressurized to 100-200mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 75 +/-2 ℃;
third, second-stage pressurization: the time is 1-2 minutes, the upper cavity is pressurized to 200-400mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 75 +/-2 ℃;
fourth, third-stage pressurization: the time is 1-2 minutes, the upper cavity is pressurized to 400-600mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is maintained at 75 +/-2 ℃;
fifthly, inflating the lower cavity, and vacuumizing the upper cavity for 30 +/-1 seconds; and (5) taking out of the machine for cooling.
6. The flexible solar windproof umbrella according to claim 1, characterized in that the technological parameters of cooling and pressurizing are as follows: the time is 5-10 minutes, the upper cavity is pressurized to 600-800mbar, the lower cavity is vacuumized, the vacuum degree is maintained at 0-20mbar, and the temperature is reduced to 50 +/-2 ℃ from 135 +/-2 ℃.
7. The flexible solar windproof umbrella according to claim 1, characterized in that a circuit board and a storage battery are arranged in the handle, the solar cell set and the storage battery are connected with the circuit board, and a USB charging port is arranged on one side of the handle and connected with the circuit board.
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| CN201810599442.0A CN108851410B (en) | 2018-06-12 | 2018-06-12 | Flexible solar windproof umbrella |
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| CN108851410B true CN108851410B (en) | 2020-11-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101132031A (en) * | 2007-07-18 | 2008-02-27 | 厦门冠宇科技有限公司 | Manufacturing method for flexible solar cell unit |
| CN105679866A (en) * | 2016-02-03 | 2016-06-15 | 尚越光电科技有限公司 | Portable solar battery pack and manufacturing technology |
| CN107928045A (en) * | 2017-12-22 | 2018-04-20 | 河南欣智象教育科技有限公司 | Multifunctional umbrella using solar energy |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101132031A (en) * | 2007-07-18 | 2008-02-27 | 厦门冠宇科技有限公司 | Manufacturing method for flexible solar cell unit |
| CN105679866A (en) * | 2016-02-03 | 2016-06-15 | 尚越光电科技有限公司 | Portable solar battery pack and manufacturing technology |
| CN107928045A (en) * | 2017-12-22 | 2018-04-20 | 河南欣智象教育科技有限公司 | Multifunctional umbrella using solar energy |
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