WO2021254549A1 - Transparente kunststofffolie zur zurückhaltung und wiederverwertung von kondenswasser aus dem boden und zur solarstromproduktion - Google Patents
Transparente kunststofffolie zur zurückhaltung und wiederverwertung von kondenswasser aus dem boden und zur solarstromproduktion Download PDFInfo
- Publication number
- WO2021254549A1 WO2021254549A1 PCT/DE2020/000176 DE2020000176W WO2021254549A1 WO 2021254549 A1 WO2021254549 A1 WO 2021254549A1 DE 2020000176 W DE2020000176 W DE 2020000176W WO 2021254549 A1 WO2021254549 A1 WO 2021254549A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- solar power
- water
- funnel
- transparent plastic
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229920003023 plastic Polymers 0.000 title claims abstract description 8
- 239000002985 plastic film Substances 0.000 title claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000004064 recycling Methods 0.000 title claims description 3
- 239000011888 foil Substances 0.000 claims description 19
- 238000009833 condensation Methods 0.000 claims description 12
- 230000005494 condensation Effects 0.000 claims description 12
- 239000002689 soil Substances 0.000 claims description 8
- 239000004753 textile Substances 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 239000012209 synthetic fiber Substances 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 230000033228 biological regulation Effects 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 4
- 238000009313 farming Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000010248 power generation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/243—Collecting solar energy
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
-
- 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
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
Definitions
- Cover foils / tarpaulins for the use of condensation water against soil drying out and for the simultaneous generation of solar power in agriculture.
- the current covering foils do not have any solar power generation technology and can therefore not use the covered areas as efficiently and economically as is possible with solar power generation technology.
- the problem The current films either allow too much condensation water to escape from the soil into the atmosphere or they allow too little or no rainwater to get into the soil.
- the invention specified in claim 1 is based on the problem of letting through as much rainwater as possible from above - evenly distributed - and at the same time intercepting the condensation water from below and also allowing it to drip back into the earth evenly distributed.
- the area of the film should be able to be used for solar power production in order to create additional income for the agricultural operation, while the energetic and economic amortization should be as short as possible, or should be less than a year.
- the new film described here has funnel-shaped recess structures that are pressed into the film. In the middle of the "funnel shapes" there is a simple and small water-permeable air-tight chamber to let the rainwater through but to keep condensation water vapor under the film.
- the additional function of the film is the generation of solar power and thereby the creation of additional income for the farm.
- the film to be described has three layers, with a thin Grätzel solar cell layer (US5084365A) (also organic solar cell, dye-sensitized solar cell, DSSC, DYSC or DSC) in the middle layer. (The energetic amortization of this type of solar cell is generally only a few months, and the materials used are comparatively low-priced.).
- FIGS. 1 to 3. Show it:
- FIG. 1 shows a possible surface structure of the film, cross-section of the film, cross-section of a water-permeable air-sealing chamber
- FIG 1 a possible, grid-like surface structure of the three-layer film (1) is shown.
- the funnel-shaped depressions (2) can have a flexible diameter, approx. 20-30cm each.
- the depression itself should be at least 1 cm deep.
- In the middle of the recess there is a water passage and air seal chamber with a diameter of approx. 1 cm (4). In the illustration you can see its function in rainy weather.
- On the underside of the water-through-air seal chamber has an additional circular drip edge, also as shown. This drip edge is used to ensure that no drops of condensation water can get to the chamber and there could be absorbed by the textile material and released into the atmosphere.
- the funnel-shaped depressions also ensure, when viewed from below, that the condensation water drops quickly on the underside of the "funnel", as the condensed water vapor on the sloping foil surfaces forms into drops more quickly due to the force of gravity.
- the color of the central "Grätzel / dye cell layer" (5) of the overall transparent film should ideally be green and tinted. Firstly, to look more natural and, secondly, to prevent drops hanging below the film from being exposed to light Bundle too much and could ignite a fire.
- the top plastic layer should consist of non-flammable plastic. With this property of being non-flammable, the film could also be laid as a fire protection belt around settlements in particularly fire-prone regions.
- the film can be produced in strips several meters wide. In order to obtain a film cover that is as closed as possible on the field, the individual film strips can be connected.
- the connections ideally consist of flexible rubber ropes, easily stretchable tension springs or “spring cables” (similar to “ski pass holders”) to ensure an "emergency opening" between the foils in a storm and thus to protect the foil from tearing as a whole.
- the solar power is taken from the edge of the film at a distance of several meters and fed via power cable to a central storage unit or into the power grid.
- FIG. 2 shows a device for letting moist outside air get under the film at night.
- small electric motors (8) are attached to the edges of the film webs. These lift the tarpaulin at sunset by moving up on a gear rod (7). At sunrise, the film then goes down again.
- the electric motors can be time, light or remote controlled. The electric motors are driven by the solar power generated by the film.
- Figure 3 shows a possible equipping of fields and fields with the film invention described in the immediate vicinity of an agricultural operation and thus in the vicinity of a power connection.
- a connected "charging station" directly on the farm or in the nearest town would be conceivable.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Protection Of Plants (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112020007332.7T DE112020007332A5 (de) | 2020-06-19 | 2020-07-30 | Transparente Kunststofffolie zur Zurückhaltung und Wiederverwertung von Kondenswasser aus dem Boden und zur Solarstromproduktion |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202020002678.6 | 2020-06-19 | ||
DE202020002678.6U DE202020002678U1 (de) | 2020-06-19 | 2020-06-19 | Transparente Kunststofffolie zur Zurückhaltung und Wiederverwertung von Kondenswasser aus dem Boden und zur Solarstromproduktion |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021254549A1 true WO2021254549A1 (de) | 2021-12-23 |
Family
ID=72147034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2020/000176 WO2021254549A1 (de) | 2020-06-19 | 2020-07-30 | Transparente kunststofffolie zur zurückhaltung und wiederverwertung von kondenswasser aus dem boden und zur solarstromproduktion |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE202020002678U1 (de) |
WO (1) | WO2021254549A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112706316B (zh) * | 2020-11-14 | 2022-07-05 | 石河子大学 | 一种具有清洗功能的残膜回收装置 |
FR3140497A1 (fr) * | 2022-10-04 | 2024-04-05 | Electricite De France | Système comprenant un panneau photovoltaïque et un répartiteur d’eau de pluie |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3506994A1 (de) * | 1984-08-14 | 1986-02-27 | Wilhelm 8122 Penzberg Heisig | Verfahren zur herstellung von fluessigkeitsdurchlaessigen flexiblen folien mit ruecklaufsperre |
US5084365A (en) | 1988-02-12 | 1992-01-28 | Michael Gratzel | Photo-electrochemical cell and process of making same |
WO2005086990A1 (de) * | 2004-03-12 | 2005-09-22 | Brettnich, Alexander | Thermoplastische kunststofffolie zur ernteverfrühung von obst und gemüse |
US20100199577A1 (en) * | 2004-01-08 | 2010-08-12 | Pieter Jan Sonneveld | Cover for an object using solar radiation |
EP2533318A1 (de) * | 2011-06-08 | 2012-12-12 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Dünnfilm-Solarzellenmodul und Treibhaus damit |
-
2020
- 2020-06-19 DE DE202020002678.6U patent/DE202020002678U1/de active Active
- 2020-07-30 WO PCT/DE2020/000176 patent/WO2021254549A1/de active Application Filing
- 2020-07-30 DE DE112020007332.7T patent/DE112020007332A5/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3506994A1 (de) * | 1984-08-14 | 1986-02-27 | Wilhelm 8122 Penzberg Heisig | Verfahren zur herstellung von fluessigkeitsdurchlaessigen flexiblen folien mit ruecklaufsperre |
US5084365A (en) | 1988-02-12 | 1992-01-28 | Michael Gratzel | Photo-electrochemical cell and process of making same |
US20100199577A1 (en) * | 2004-01-08 | 2010-08-12 | Pieter Jan Sonneveld | Cover for an object using solar radiation |
WO2005086990A1 (de) * | 2004-03-12 | 2005-09-22 | Brettnich, Alexander | Thermoplastische kunststofffolie zur ernteverfrühung von obst und gemüse |
EP2533318A1 (de) * | 2011-06-08 | 2012-12-12 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Dünnfilm-Solarzellenmodul und Treibhaus damit |
Also Published As
Publication number | Publication date |
---|---|
DE112020007332A5 (de) | 2023-03-30 |
DE202020002678U1 (de) | 2020-07-31 |
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