EP0112856A1 - Installation comprenant des tablettes dont chacune comprend plusieurs elements photoelectriques pour produire un courant - Google Patents

Installation comprenant des tablettes dont chacune comprend plusieurs elements photoelectriques pour produire un courant

Info

Publication number
EP0112856A1
EP0112856A1 EP83901897A EP83901897A EP0112856A1 EP 0112856 A1 EP0112856 A1 EP 0112856A1 EP 83901897 A EP83901897 A EP 83901897A EP 83901897 A EP83901897 A EP 83901897A EP 0112856 A1 EP0112856 A1 EP 0112856A1
Authority
EP
European Patent Office
Prior art keywords
panels
folding pocket
panel
contact
pocket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP83901897A
Other languages
German (de)
English (en)
Inventor
Heinz Jetter
Rudolf Jetter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hartag AG
Original Assignee
Hartag AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hartag AG filed Critical Hartag AG
Publication of EP0112856A1 publication Critical patent/EP0112856A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01L31/02—Details
    • H01L31/02002—Arrangements for conducting electric current to or from the device in operations
    • H01L31/02005—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier
    • H01L31/02008—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules
    • 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
    • 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
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/20—Collapsible or foldable PV modules
    • 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
    • H02S40/30—Electrical components
    • H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
    • 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

Definitions

  • the present invention relates to a device with a plurality of panels which contain electrically connected photoelectric elements and which are used to generate electric current.
  • Such panels or so-called panels are known in numerous embodiments with different numbers of photoelectric elements. Depending on the number of elements and their interconnection, a table emits a maximum electrical power at a certain voltage and a certain current when exposed to light. In many applications of such panels or panels, a voltage and / or current output is desired which exceeds the performance of a single panel many times over. Consequently, a plurality of panels are electrically connected to one another in series and / or parallel connection, which, however, disadvantageously requires cumbersome and repair-prone cable connections, which in addition make transporting the interconnected panels at least considerably more difficult, if not impossible.
  • the present invention has for its object to provide a device of the type mentioned, in which several panels are connected without cables, a portable transport of the connected panels is made possible and an exchange of panels of the device can be carried out without cables.
  • the device according to the invention has the features stated in the characterizing part of patent claim 1.
  • FIG. 1 shows a schematic section through a multiply folded pocket, in which panels with photoelectric elements are inserted
  • OMH 2 shows a plan view of an opened folding pocket with four panels containing photoelectric elements, the panels being connected in series,
  • FIG. 3 shows a plan view of an opened folding pocket with panels containing four photoelectric elements, the panels being connected in parallel,
  • FIGS. 2 and 3 shows a plan view on a larger scale of the area of a panel of the folding pocket of FIGS. 2 and 3 with details of the electrical connecting elements
  • FIG. 5 shows a section along the line V-V in Fig. 4,
  • FIG. 6 shows a plan view of an opened folding pocket with three panels containing photoelectric elements in another embodiment
  • FIG. 7 shows a section on a larger scale through the folding pocket of FIG. 6,
  • FIG. 8 is a plan view on a larger scale of a portion of the folding pocket of FIG. 6 according to arrow VIII in FIG. 7,
  • FIG. 9 shows a section through a contact socket of the folding pocket of FIG. 6,
  • ⁇ * 'OMPI 10 shows a schematic illustration of two folding pockets connected in series or in parallel according to FIG. 6, and
  • FIG. 11 to 13 schematically show various connection options for six folding pockets according to FIG. 6.
  • the present device has a folding pocket 1 made of a
  • Sheet of flexible insulating material e.g. a plastic sheet.
  • the path of the folding pocket 1 is provided in its longitudinal direction at intervals with several, namely six, panels 5, so-called panels, which are composed of a large number of photoelectric elements which are electrically connected to one another.
  • the individual regions of the web of the folding pocket 1 each containing a panel are folded in a zigzag fashion in the illustrated transport or storage state of the present device, with clamp or Velcro fasteners 11 having closed the folding pocket 1, so that it can be transported or stored comfortably and protected.
  • each panel 5 is composed in a manner known per se from a larger number of individual ones Photoelectric elements 2 together, which are also electrically connected in series, in series and in parallel, or - more rarely - in parallel.
  • One end element 2a and 2b each form the negative or positive end or connection element of the panel 5.
  • metal strips designed as soldering tapes 3 and 4 are electrical at the end elements 2a and 2b mentioned Conductively attached to the top and bottom of the end elements 2a, 2b, which extend from the respective end element of each panel 5 to the adjacent longitudinal edge of the folding pocket 1.
  • soldering tapes connected to the end elements 2a with negative polarity are denoted by 3 and the soldering tapes connected to the end elements 2b with positive polarity are denoted by 4. They are referred to below as minus soldering tape 3 or plus soldering tape 4.
  • the individual panels 5 are arranged at a distance in the longitudinal direction of the folding pocket 1 in order to enable the folding pocket 1 according to FIG. 1 to be folded.
  • On the connecting straps 7 are the Minus or plus solder tapes 3 and 4 of the panels 5 are connected in a certain manner, which is explained in more detail with reference to FIGS. 4 and 5.
  • Connecting strips 7 of the panels 5 are arranged in the folding pocket 1 such that a series connection of the individual panels 5 is achieved.
  • the voltage of a panel 5 is multiplied by the number of panels arranged in the folding pocket 1, the total flow remaining that of an individual panel.
  • the panels 5 are connected in parallel by means of the connecting straps 7, so that in this type of circuit the current of a panel 5 is multiplied by the number of panels arranged in the folding pocket 1, the total voltage being equal to that of an individual panel - speaks.
  • the current drawn from the devices shown in FIGS. 2 and 3 takes place via cables 8, which are connected, for example, by means of cable lugs 9 in the exemplary embodiment of FIG. 2 to two contact elements 6a corresponding to the total voltage or to a partial voltage on two with the connecting strips 7 contacting contact elements 6 are connected.
  • the cable lugs 9 can be connected to any contact elements which are in contact with the connecting bands 7.
  • Fig. 4 it can be seen that to connect the minus soldering tape 3 and the plus soldering tape 4 with the corresponding, made of metal mesh, incorporated into the folding pocket 1, the relevant soldering tape 3, 4 is in electrical contact with a busbar 10 which in turn rests in electrical contact on the associated connecting band 7. This arrangement is held together with the material web of the folding pocket 1, into which the connecting straps 7 are incorporated, and with a carrier plate 5a of the panel 5 by the contact members 6.
  • the panel 5 has the carrier plate 5a mentioned, the photoelectrical elements 2 which are electrically connected to one another and a translucent cover plate 5b.
  • the soldering tapes 3 and 3 connected to the end elements 2a and 2b are over the longitudinal edges of the carrier plate 5a except for the latter
  • the busbars 10 also encompass the longitudinal edges of the carrier plate 5a and accordingly have a U-shaped profile.
  • the back of the carrier plate 5a is covered by the material web of the folding pocket 1, which extends over the connecting straps 7 and the busbars 10 and is shown cut open in FIG. 4 over busbars 10.
  • the connecting straps 7 incorporated into the folding pocket 1 rest on one leg of the busbar 10.
  • the contact members 6 hold this layer structure together, the contact members 6, As indicated in Fig. 4, screw connections or but not shown push-button connections can be.
  • the described device has the main advantage that it does not require any cables other than a pair of connecting cables for the electrical connection of several, basically any number of panels with photoelectric elements, and that it simply folds the folding pocket out of the open, extended operating state into a compact, handy one Transport or storage form can be brought without having to loosen or remove any connecting element.
  • the panels can be effortlessly installed or removed from the folding pocket, for which purpose only the contact elements of the relevant panel have to be inserted or removed, but no other connection processes, such as soldering or attaching of cables.
  • the folding pockets with the incorporated connecting straps can be produced separately in different lengths and possibly interrupted or continuous connecting straps (series or parallel connection of the inserted panels), in which case only the busbars of uniform length and the uniform contact elements are required.
  • the present device is suitable as a series product especially for mobile applications with possibly different requirements for power, voltage and current.
  • FIG. 6 A further exemplary embodiment of the device according to the invention is shown in FIG. 6, which is similar to the exemplary embodiments of FIGS. 2 and 3. The same parts are designated by the reference numerals of FIGS. 2 and 3.
  • the panels 5 containing photoelectric elements 2 inserted into the folding pocket 1 are in turn electrically connected via negative soldering strips 3 and positive soldering strips 4 to connecting strips 7 which are made of flexible metal fabric and extend in the longitudinal direction of the folding pocket 1 and which in the web material of the
  • Folding pocket 1 are incorporated.
  • the connecting strips 7 extend alternately over two adjacent panels 5 arranged with reversed polarities, so that the connecting strips 7 cause the panels 5 to be connected in series.
  • the respective directions of current flow are indicated on the panels 5 by arrows.
  • contact members 6 are provided, which are designed as screw or push-button members and can also be used to connect a consumer to the present device via cable.
  • a further connecting band 12 is incorporated into the material of the folding pocket 1, which extends below the panels 5 over the entire length of the area of the folding pocket 1 provided with the panels 5.
  • the connecting band 12 is in electrical connection with the contact element 6b, which forms the negative pole of the series connection of the panels 5.
  • the connecting band is guided to a separate contact member 13.
  • connection contact element 13 and a similar, opposite in the transverse direction contact element 14, which forms the positive pole of the series connection of the panels 5, are accordingly the two end terminals of the device shown, at which terminals the total voltage of all panels 5 is located. Because the connection contact members 13, 14 now lie opposite one another in the transverse direction of the folding pocket 1, electrical connections of a plurality of devices according to FIG. 6 can be established in a particularly simple and clear manner, as is shown in more detail with reference to FIGS. 10 to 13 is explained.
  • the panel 5 in turn has a carrier plate 5a, a plurality of photoelectric elements 2 and a translucent cover plate 5b.
  • the respective photoelectric end members 2a (negatively) and 2b (positive) provided with Lötb sectionn 3 or 4, which 'fnungen by Oef in the carrier plate 5a are guided on the back.
  • the connecting straps 7 and the further connecting strap 12 are incorporated in overlaps of the folding pocket material or in a separate pocket 15, the folding pocket material extending over the edge region of the carrier plate 5a.
  • Band-shaped busbars 10 are arranged between the carrier plate 5a and the connecting tapes 7 and are thus in electrical contact with both the guide tapes 3, 4 and the connecting tapes 7. This layer structure is in turn mechanically and electrically held together by the contact elements 6.
  • the contact elements 6 and in particular the connection contact elements 13 and 14 of FIG. 6 can advantageously be used to accommodate plug contacts, e.g. Banana plugs, be trained.
  • a contact element is shown in FIG. 9, which receives a banana plug 16, which is also indicated in FIG. 8.
  • the contact rgan consists of two flange parts 17 and 18 which can be screwed together, between which the layer structure of the material of the folding pocket 1, the support 5a of the panel in question, the soldering tape 3 or 4, the busbar 10, the connecting tape 7 or 12 and again the Material of the folding pocket 1 is clamped.
  • a contact spring 19 of a known type is arranged between the busbar 10 and the connecting band 7 or 12, in order to prevent the current flow between the busbar 10, the connecting band 7 or 12 and the contact element 6 or
  • FIG. 6 schematically shows how two devices according to FIG. 6 can be interconnected in a manageable manner with simple means in order to achieve a higher voltage or to enable a higher current draw.
  • the negative connection contact element 13 of one device is connected to the positive connection contact element 14 of the other device by means of a cable 21 provided with banana plugs.
  • the full series voltage of the two devices can be tapped with the current output of an individual panel 5 between the positive connection contact member 14 of the first-mentioned device and the negative connection contact member 13 of the second device serving as a minus reference point. Partial voltages can also be tapped between the negative reference point of the contact element 13 and the further contact elements 6 of the two devices, as indicated in FIG. 10 by corresponding voltage and current values. It is assumed here that each panel 5 generates a current of 0.5 A at a voltage of 5 V.
  • a parallel connection of the two devices is shown by two pluggable, shown in dashed lines
  • Cable 22 is achieved, which connect the two connecting contact elements 13 and 14, respectively.
  • double the current here 1 A
  • a device here 15 V
  • 6 are shown schematically in FIGS. 11 to 13, with six such devices each using a pluggable cable in a parallel connection (FIG. 11), in a series-parallel connection (FIG 12) and are connected to one another in a series circuit (FIG. 13).
  • the following powers can be achieved in this way provided that each panel emits a current of 0.5 A at a voltage of 5 V.
  • the cable connections remain clear and optimally short.
  • Devices of the present type are mostly operated together with electronic control circuits for voltage and / or current regulation as well as with buffer batteries.
  • electronic control circuits for voltage and / or current regulation as well as with buffer batteries.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Photovoltaic Devices (AREA)
  • Packaging Frangible Articles (AREA)

Abstract

Plusieurs tablettes (5) de même grandeur comprenant un grand nombre d'éléments photoélectriques (2) connectés les uns aux autres sont disposées avec des séparations dans une poche pliable souple (1) en matériau isolant. Chaque tablette (5) se superpose à des bandes (3, 4) de soudure se trouvant en contact avec des bandes de liaison (7, 12) incorporées dans le matériau de la poche parallèlement aux bords longitudinaux. Les bandes de liaison (7, 12) sont en tissu métallique souple et connectent les tablettes (5) en formant un circuit série et/ou parallèle. Des courants et tensions respectives peuvent être prélevés aux organes de contact (6, 6', 13, 14). Ces organes maintiennent mécaniquement ensemble les bandes de soudure (3, 4) et les tablettes (5) avec les bandes de liaison (7, 12) et le matériau de la poche. Les tablettes (5) sont donc interconnectées sans utilisation de câbles. Il est ainsi possible de transporter commodément et en toute sécurité les tablettes en repliant la poche. Les tablettes peuvent en outre être facilement remplacées.
EP83901897A 1982-07-05 1983-07-05 Installation comprenant des tablettes dont chacune comprend plusieurs elements photoelectriques pour produire un courant Withdrawn EP0112856A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH4069/82 1982-07-05
CH406982 1982-07-05
CH569482 1982-09-28
CH5694/82 1982-09-28

Publications (1)

Publication Number Publication Date
EP0112856A1 true EP0112856A1 (fr) 1984-07-11

Family

ID=25694562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83901897A Withdrawn EP0112856A1 (fr) 1982-07-05 1983-07-05 Installation comprenant des tablettes dont chacune comprend plusieurs elements photoelectriques pour produire un courant

Country Status (3)

Country Link
US (1) US4537838A (fr)
EP (1) EP0112856A1 (fr)
WO (1) WO1984000253A1 (fr)

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US4537838A (en) 1985-08-27
WO1984000253A1 (fr) 1984-01-19

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