Classifications

• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K3/00—Apparatus or processes for manufacturing printed circuits
  • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
  • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
  • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
  • H05K3/341—Surface mounted components
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
  • H01R4/02—Soldered or welded connections
• • 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
  • H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
  • H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
  • H01L31/0508—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module the interconnection means having a particular shape
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/02—Contact members
  • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
  • H01R4/04—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation using electrically conductive adhesives
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
  • H01R4/26—Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
  • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
  • H05K2201/03—Conductive materials
  • H05K2201/0332—Structure of the conductor
  • H05K2201/0364—Conductor shape
  • H05K2201/0373—Conductors having a fine structure, e.g. providing a plurality of contact points with a structured tool
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
  • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
  • H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
  • H05K2201/10954—Other details of electrical connections
  • H05K2201/10984—Component carrying a connection agent, e.g. solder, adhesive
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K3/00—Apparatus or processes for manufacturing printed circuits
  • H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
  • H05K3/4007—Surface contacts, e.g. bumps
  • H05K3/4015—Surface contacts, e.g. bumps using auxiliary conductive elements, e.g. pieces of metal foil, metallic spheres
• • 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
  • 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

Definitions

• the invention relates to an electrical connection element comprising an electrical
• connection element is used to connect a plurality of electrical components, e.g.
• the connecting element is heated and soldered while melting the coating with the electrical component.
• coated fasteners which are formed as stamped parts or as cut strips.
• Connecting element is often insufficient on the electrical component.
• a considerable layer thickness of the solder is necessary, whereby the coating is a non-negligible cost factor.
• Ladder is at least partially formed with a structuring and / or rough surface.
• Layer thickness of the coating can be reduced.
• the electrically conductive coating is a solderable material, for example a solder, in particular
• Tin contains.
• the coating itself can ensure the production of a firmly adhering solder joint in one work step.
• the electrically conductive coating may contain an adhesive, preferably a conductive adhesive. This allows the coating
• the electrical conductor consists of a metal, in particular copper, or a metal alloy, in particular a copper alloy.
• a metal in particular copper, or a metal alloy, in particular a copper alloy.
• Knurling or ribbing exist.
• Such a surface modification is, for example, particularly simple and automated to produce by rolling.
• the structuring and / or rough surface can be produced by etching. By this chemical treatment, a uniform surface modification can also be achieved. hi training can be provided that the structuring and / or rough
• Component is contacted with this.
• Cross section extend over the entire circumference of the electrical conductor.
• the connecting element is particularly simple and inexpensive to manufacture.
• the electrical conductor may have a large longitudinal extent in comparison to the cross section and may be formed, for example, as a wire. This makes it possible in a processing step many electrical components via a
• a corrugation or knurling may be substantially parallel to
• the electrical conductor may be circular in cross section. This allows the use of commercially available wires.
• the electrical conductor in cross section with a deviating from the circular shape, for example rectangular, in particular as
• the surface of the electrical conductor over the entire length of the connecting element with a structuring and / or rough
• Length of the connecting element extends. It is advantageous that during processing does not have to pay attention to where the coating is located and also results in a surface protection for the electrical conductor. hi preferred application, the inventive compound can be applied to a
• Solar cell be applied.
• a secure adhesion is particularly important and therefore the inventive application of a structuring and / or rough surface on the electrical conductor of particular advantage.
• two or a multiplicity of solar cells can be connected to one another via connecting elements according to the invention. With the Connecting elements can be interconnected so several solar cells to a larger unit, for example, to a solar module.
• the module can, to be weather-resistant, be encapsulated.
• an electrical conductor can be used, which has a large compared to the cross-section longitudinal extent and, for example, as a wire, preferably as a flat wire is formed.
• the electrical conductor can be advantageously applied along its longitudinal extent to the electrical component. It is possible to connect many electrical components via a connecting element in one processing step.
• Embodiments are shown, described in more detail by way of example. Showing:
• FIG. 1 shows a first embodiment of a connecting element with an electrical conductor of substantially circular cross-section
• FIG. 2 shows a second embodiment of a connecting element with a flat electrical conductor
• FIG. 3 shows a third embodiment of a connecting element with a flat electrical conductor
• 4 shows a fourth embodiment of a connecting element with a flat electrical conductor
• 5 shows a composite of an electrical connection element according to the invention and an electrical component
• Fig. 6 shows a further embodiment, in which the surface of the coating and the
• Fig. 8 is a solar module consisting of a plurality of each other by means of electrical
• Fig. 9 shows a detail A of the solar module shown in Figure 8 with two by means of electrical
• the electrical connection element 1 consists of an electrical conductor 2, which is designed as a core.
• the core has a textured or rough surface 5, e.g. can be achieved by rolling, grinding, etching or the like.
• the effective surface of the electrical conductor is therefore larger than that of such without this processing step.
• the electrical conductor 2 is provided all around with a coating 3, which may for example contain a solderable material. Alternatively, however, the coating 3 may also contain an adhesive.
• the electrical connection element 1 consists of an electrical conductor 2, which is designed as a flat wire. It has a deviating from the circular shape, substantially rectangular cross-section.
• the side of the electrical conductor 2 shown in Figures 2a and 2b above is provided with a coating which is also electrically conductive.
• the side of the electrical conductor 2 shown in FIGS. 2a and 2b has a structured or rough surface 5.
• the side of the electrical conductor 2 shown in FIGS. 2a and 2b below may also have a coating.
• the electrical connection element 1 consists of an electrical conductor 2, which is similar to the embodiment of Figure 2 designed as a flat wire.
• the electrical conductor 2 shown in Figure 3 has on its top and bottom a structuring and / or rough surface 5. Since the coating 3 is applied in cross-section over the entire circumference of the electrical conductor 2, a universal applicability of the electrical connection element is achieved. During the processing therefore does not have to be on the proper position of the electrical connection element 1 are respected. In addition, the electrical connection element is protected against harmful environmental influences and corrosion.
• the coating does not have to be equally strong everywhere. Rather, on one side, for example, more coating material may be applied. On the opposite side, for example, the layer thickness is reduced. In a particularly advantageous manner, the layer thickness on the side intended for contacting is greater than on the opposite side, where the coating has mainly a protective function.
• the electrical connection element 1 consists of an electrical conductor 2, which is similar to the embodiments of Figure 2 and 3 designed as a flat wire.
• the surface of the electrical conductor is modified only on the specific side for contacting the electrical conductor 2.
• the structuring and / or rough surface 5 thus extends in cross section only over a region of the circumference of the electrical conductor.
• the coating 3 is applied in cross-section over the entire circumference, so that the electrical conductor 2 is completely enveloped by the coating 3.
• the coating need not be equally strong everywhere. Rather, on one side, for example, more coating material may be applied.
• the layer thickness on the side intended for contacting is greater than on the opposite side, where the coating has mainly a protective function.
• the use of an electrical connection element according to the invention is described below with reference to FIG. 5
• the electrical connection element in FIG. 5 has an electrical conductor 2, which is designed as a flat wire. It is applied with the structuring and / or rough surface 5 having side on an electrical component 4, for example, a solar cell.
• FIG. 5 shows a connecting element whose electrical conductor 2 designed as a flat wire has a structuring and / or rough surface 5 on both sides. Since it also has a coating all around, it can be applied twisted both in the position shown and by 180 °.
• the coating 3 When the coating 3 is made of a solderable material, for example, it is heated under infrared light and allowed to melt. there it connects to the electrical component 4 and ensures a connection between the electrical conductor 2 and electrical component 4 after cooling.
• the surface 5 of the electrical conductor 2 can have any type of structuring, for example grooves in the longitudinal and / or transverse direction, grooves in the longitudinal and / or transverse direction, sanding marks in the longitudinal and / or transverse direction, or the like.
• the rough surface 5 may have one or more preferred directions or be formed the same in all directions.
• the structuring and / or rough surface 5 can be carried out mechanically and / or chemically, for example by etching.
• the coating 3 itself may constitute a means for connecting the electrical conductor 2 and the electrical component 4. It is then in the application of the electrical connection means 1 no further connection means such as solder or adhesive necessary.
• the coating 3 may consist of a solderable material.
• the larger surface of the electrical conductor 2 allows a better adhesion for the solder joint between the electrical conductor 2 and the electrical component 4.
• Such a soldering can be automated.
• the soldering can be carried out by means of infrared light. Since the coating is made of a solderable material, in particular a solder, e.g. Tin, the soldering can be done without any additional material. In this case, the solder necessary for a solder joint is the coating material itself.
• the conductive coating 3 can act as a means for connecting the electrical conductor 2 and the electrical component 4. Also in this case, an improved adhesion between the electrical conductor 2 and the electrical component 4 is achieved by the enlarged surface 5 of the electrical conductor 2. As shown in FIG. 6, in addition to the processing of the surface 5 of the electrical conductor 2, the surface 6 of the coating 3 can also be modified. The coating 3 can thus also be formed with a structured and / or rough surface 6. As a result, advantages in the heat input into the coating 3 can be achieved, since this shows an increased heat and light absorption behavior.
• the surface enlargement of the coating 3 brings in an automatic soldering with infrared the advantage that the surface 6 due to the dull appearance reflects less light and absorbs more light due to the larger surface. As a result, the workability is significantly improved because more light and heat can be used.
• the coating In known elektica connecting elements - even those which are formed as a flat wire - the coating usually has a convex surface.
• the coating when the coating is applied, the coating forms with a flat surface due to the processing of the surface of the electrical conductor.
• the electrical connection element according to the invention can be completely flat and flat on its surface, at least in regions.
• the wire especially if it is a flat wire, can therefore easily wrap in layers on a spool and also unwind easily from this. Also, the straightness guaranteed, which could be affected by an irregular winding. This represents a significant advantage in terms of automation possibilities and thus on the manufacturing costs in the processing process.
• the electrical connection elements 1 according to the invention can be used in a particularly advantageous manner as a connector for a solar cell 4. As shown in FIG. 7, in each case two connecting elements 1 are designed, for example, as a flat wire and applied to a surface of the solar cell 4. Alternatively, however, other described connecting elements according to the invention can also be used. When using the connecting elements according to the invention as a connector for a solar cell results in a high withdrawal or Abrisskraft of the connecting element of the solar cell. It is also possible to reduce the coating thickness for a given withdrawal or removal force.
• Several solar cells 4 can be interconnected by means of the connecting elements 1 in any desired manner to a solar module 7. When using designed as a flat wire connecting elements 1 results in the appearance shown in Figure 8 with continuous connecting bands. Alternatively, however, other described erf ⁇ ndungsdorfe connecting elements can be used, for example, in a connection via stampings or cut bands no continuous connecting bands are visible.
• FIG. 9 shows a possibility of connecting two adjacent solar cells 4 of a solar module 7.
• the upper side of a solar cell 4 is connected to the underside of an adjacent solar cell 4 via connecting elements 1 according to the invention.
• Further embodiments according to the invention have only a part of the features described, wherein each feature combination, in particular also of various described embodiments, can be provided.

Landscapes

• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Sustainable Development (AREA)
• Physics & Mathematics (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• Electromagnetism (AREA)
• General Physics & Mathematics (AREA)
• Computer Hardware Design (AREA)
• Life Sciences & Earth Sciences (AREA)
• Power Engineering (AREA)
• Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
• Photovoltaic Devices (AREA)
• Non-Insulated Conductors (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=37028955

Family Applications (1)

Country Status (6)

Cited By (12)

Families Citing this family (10)

Citations (6)

Family Cites Families (4)

• 2005
  • 2005-06-01 AT AT0094005A patent/AT502005B1/de not_active IP Right Cessation
• 2006
  • 2006-05-29 JP JP2008513862A patent/JP2008543003A/ja active Pending
  • 2006-05-29 WO PCT/AT2006/000217 patent/WO2006128203A1/de active Application Filing
  • 2006-05-29 KR KR1020077030996A patent/KR20080026568A/ko not_active Application Discontinuation
  • 2006-05-29 CN CNA2006800194299A patent/CN101199085A/zh active Pending
  • 2006-05-29 EP EP06741016A patent/EP1897174A1/de not_active Withdrawn

Patent Citations (6)

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