Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
  • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
  • H02S40/40—Thermal components
  • H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
• • 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
  • H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
  • H01L31/0521—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
• • 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
• • 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
  • Y02E10/60—Thermal-PV hybrids

Definitions

• the invention relates to a device for solar energy and water production.
• a corresponding device is for example from the
• a solar power plant which consists of a plurality of module units made up of fields and made up of photovoltaic cells, which is arranged, for example, as a roof over a roadway following the roadway.
• a large number of such surfaces can be placed on a surface in a grid-like arrangement, each on its own supporting structure, the individual surfaces being arranged like the fields of a shed roof, i. H . the envelope is a sawtooth line. If the sun shines essentially across the system, the fields can also be designed as a continuous roof surface in alignment with the sun.
• the object of the present invention is to provide an improved device for solar energy and water production.
• the device according to the invention for solar energy and water production has clear advantages over conventional solutions.
• at least one modular cooling device is also provided for the photovoltaic elements. This is because the electrical energy generation or. - Increase yield significantly. Heating up the photovoltaic elements results in their reduced performance.
• a modular thermal and / or solar collector is therefore provided, which is arranged below the modular photovoltaic element.
• This thermal and solar collector is used for additional heat generation, which is ultimately caused by the sun heating. Through the heat removal, however, cooling for the photovoltaic elements is implemented in order to increase their efficiency.
• another or further cooling device can also be provided, for example a cooling device for the photovoltaic elements through which liquid and / or gaseous cooling media flow.
• a space is preferably formed between the glass roof lying on the sunny side and the top of the photovoltaic elements.
• Gaseous cooling medium for example, air can preferably flow through this space. This can be pre-cooled, for example.
• the mode of operation of the flow of cooling air is preferably based on a type of “chimney effect”, which can be realized by including the corresponding modular energy and water extraction elements Inclination with respect to the horizontal. The heated warm air can then rise upwards and be removed by the heating, so that relatively cooler air automatically enters the throughflow channel from a lower opening.
• the aforementioned translucent plate or cover lying on the sun side leads to a light-intensifying effect, since the light which has been transmitted through the translucent cover and possibly reflected by the photovoltaic cells below it is reflected again. This leads to an increase in efficiency.
• the translucent cover is provided with a sliding coating, which prevents contamination and ensures an additional water drain.
• the solar or thermal collectors mentioned comprise at least one line, but preferably has a plurality of preferably integrated lines in order to derive the resulting thermal energy.
• gaseous and liquid media can be used for thermal dissipation and thus for cooling the photovoltaic elements.
• Modules are preferably used which comprise photovoltaic elements together with the solar or thermal collectors as a component that can be traded uniformly.
• preference is also given to the above-mentioned, at a distance above the photovoltaic elements arranged (for example in the form of spacers) formed glass cover with part of such a module.
• modules are provided with appropriate plug-in and / or screw connections from the outset, in order to easily assemble such units directly with one another. If required, connecting plug and / or screw connections can be provided at the connection points. If necessary, separate lines can also be arranged at the connections. As a result, large areas can be assembled and networked into an overall system.
• connection devices for the modules can include water catchment devices, comparable to gutters.
• water drainage channels with covers made of corrugated gratings are preferably used, which can consist of the same material as the water channels.
• the translucent glass covers mentioned above as a rule the translucent glass covers mentioned above, can collect the rainwater caught directly via the connectable water drainage channels with the water-permeable wave grids above them, and can be discharged, for example, to water collection devices, water collecting basins, pumping stations or the like.
• the device according to the invention can be placed anywhere. It can preferably be used via public transport routes and roads, especially motorways, country roads but also rail routes.
• solar energy can thus be used with high efficiency, since solar energy can be converted directly into electrical current.
• This electrical current can be transported relatively easily via the lines provided. If necessary, the electricity can also be used at least directly for lighting systems or traffic control systems provided on site.
• the solar energy is also used in a thermal way by the solar or thermal collectors used, since district heating can be made available by means of the heated medium flowing around.
• the system can also be coupled to a heat pump.
• the modules are suitable for collecting rainwater.
• the streets, routes, public spaces etc. below are also protected from the weather.
• Figure 1 is a schematic sketch in cross section with respect to a device for solar energy and water production over a road route;
• Figure 2 is a schematic cross-sectional view through a modular solar energy and water production element;
• Figure 3 is a schematic plan view of several assembled solar energy and water production modules
• Figure 4 a connector plug element as a lower limiting element with rainwater gutter, - and
• Figure 5 a corresponding overhead plug or. End element for the modular solar energy or water extraction elements.
• an overland road 1 is shown, along which columns 3 are provided on both sides at intervals, over which roof-shaped supports 5, optionally spaced apart, are formed.
• the modules 21, which will be explained below, can then be assembled and anchored on these supports, a roof 7 ultimately being formed at the same time by the top of the modules 21.
• a corresponding module 23 thus comprises a modular photovoltaic element 25, which on its opposite module sides 27 and / or its module sides lying to the left or to the right, with left side or right side module connections 29, in particular plug-in connections (if necessary, however, additionally or alternatively with screw connections or the like) can be provided in order to couple the module to a next module.
• the plug connections are preferably plug-shaped on one connection side 27 and socket-shaped on the opposite connection side, in order to be able to cascade corresponding modules by plugging them together, that is, to be able to easily join them together to form larger functional units.
• a cooling device 31 is provided for the photovoltaic elements 25, wherein in the exemplary embodiment shown the cooling device 31 comprises a thermal or solar collector element 33 located below the photovoltaic element 25, that is to say arranged away from the sun.
• This has a throughflow device 35, in the form of, for example, one or more flow lines, which can be laid straight, meandering, looped or helical, from an inlet-side connection 29a to an outlet-side connection 30a.
• the connections 29a and 30a can also be designed as plug connections, but if necessary also alternatively or additionally as screw connections or the like.
• the cooling device 31 comprises a further cooling measure, namely one above the photovoltaic elements 25 provided further cooling device 36.
• This is designed in the manner of a flow-through device 37 through which liquid and / or gaseous media can flow.
• a flow of gaseous media in particular air t, is preferably provided.
• the throughflow device 37 consists of a spacing space 39 between the underside of the translucent cover plate 41 lying on the sunny side and the upper side of the photovoltaic element 25 located underneath.
• connection or outlet 29b is preferably formed on the upper side and a connection or inlet 30b on the lower side, in order to allow the air to flow in there, for example.
• connections are again, for example, designed as pure plug connections, but can be supplemented if necessary or alternatively provided as screw connections or the like.
• the photovoltaic element 25 is also provided with one or more plug connections, in particular electrical plug devices 29c and 30c, on the two opposite connection sides, around the photovoltaic element 25 with an adjacent one to plug together immediately and to be able to make electrical contact.
• modules 30a, 30b are provided lying in the same direction on the opposite connection sides, so that corresponding modules 23 can be assembled only by plugging together to form large-area system groups.
• the modules do not necessarily have to have a rectangular shape, but can also be hexagonal, for example. In this way, shapes are preferably used which can be combined to form large-area closed units and the realization of a cover 7 which is as closed as possible.
• the translucent cover plate 41 is designed such that the sunlight reflected back by the photovoltaic element is reflected back on the underside, thus contributing to a high energy yield. To largely avoid contamination on the outside or.
• the translucent cover 41 can be reduced there with a corresponding coating, in particular a sliding coating 43.
• the units provided in this way can be attached and mounted, for example, via spacers, screws or the like on a corresponding support structure 3, 5.
• Termination devices 47 which are preferably designed as termination plug devices 47, can be connected to the edge regions, for example.
• a connection to a laterally adjacent module is implemented at the points where no module is connected in the connection direction, insofar as this is necessary.
• a closed coolant circuit can be produced to a next adjacent thermal or solar collector element 33 if a series connection is desired.
• a connection to a next adjacent photovoltaic element can be realized via an electrical plug connection.
• the lower-lying termination devices 49 are designed, whereby these can preferably also be provided with a water drainage channel 14 according to FIG. 3.
• the channel has a box-shaped cross section (but can also have any other cross-sectional shape).
• a wave grille 51 is preferably formed on the top of the drainage channel, which allows the rainwater running through the cover to pass through to the drainage channel without any problems, but at the same time provides a certain degree of protection against contamination, soiling by leaves, etc. guaranteed.
• a highly schematic, simplified cross-sectional illustration for an upper and a lower end element 47 and 49 is shown in the drawings 4 and 5.
• the modules are preferably joined following a roof line from bottom to top in the plug-in direction, and at the upper and lower ends via the mentioned plug-in devices or general terminators.
• Connecting devices 47, 49 are connected to a roof-shaped cover thus formed in the running direction.
• the electricity obtained can easily be used for feeding into the electrical network of electrically powered trains (electrification at the railway).
• the electrical energy obtained can be used just as easily and usefully, for example, for feeding magnetic levitation trains, such as the Transrapid.

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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)

Applications Claiming Priority (3)

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• 2000
  • 2000-11-30 WO PCT/EP2000/012044 patent/WO2001041220A2/de active Application Filing
  • 2000-11-30 EP EP00990627A patent/EP1234341A2/de not_active Ceased
  • 2000-11-30 US US10/148,679 patent/US20020189662A1/en not_active Abandoned
  • 2000-11-30 CN CNB008165718A patent/CN1230918C/zh not_active Expired - Lifetime
  • 2000-11-30 AU AU30050/01A patent/AU3005001A/en not_active Abandoned
  • 2000-12-04 AR ARP000106407A patent/AR026909A1/es unknown

Non-Patent Citations (1)

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