EP4101030B1 - Flachleiteranschlusselement - Google Patents

Flachleiteranschlusselement Download PDF

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Publication number
EP4101030B1
EP4101030B1 EP21708566.1A EP21708566A EP4101030B1 EP 4101030 B1 EP4101030 B1 EP 4101030B1 EP 21708566 A EP21708566 A EP 21708566A EP 4101030 B1 EP4101030 B1 EP 4101030B1
Authority
EP
European Patent Office
Prior art keywords
connection
flat conductor
layer
conductor
pane
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.)
Active
Application number
EP21708566.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4101030A1 (de
Inventor
François HERMANGE
Bernhard Reul
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.)
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
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 Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Publication of EP4101030A1 publication Critical patent/EP4101030A1/de
Application granted granted Critical
Publication of EP4101030B1 publication Critical patent/EP4101030B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/62—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • 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
    • H01R4/029—Welded connections
    • 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
    • H01R4/70—Insulation of connections
    • 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
    • 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
    • H01R43/0256—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 for soldering or welding connectors to a printed circuit board
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5213—Covers
    • 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
    • H01R4/023—Soldered or welded connections between cables or wires and terminals

Definitions

  • the invention relates to a flat conductor connection element, a connection arrangement with a flat conductor connection element, a method for its production and its use.
  • Flexible flat conductors also known as ribbon conductors or foil conductors, are often used in vehicle construction, in particular to enable movable electrical contacting in limited space conditions.
  • Flat conductors usually consist of a tinned copper strip with a thickness of 0.03 mm to 0.1 mm and a width of 2 mm to 16 mm. Copper has proven to be suitable for such conductor tracks because it has good electrical conductivity and is easy to process into foils, while at the same time the material costs are low. Other electrically conductive materials that can be processed into films can also be used. Examples of this are gold, silver, aluminum or tin.
  • the tinned copper strip can be applied to a plastic carrier material for electrical insulation and stabilization or can be laminated to it on both sides.
  • a foil conductor tape can contain several conductive layers that are electrically insulated from one another.
  • flat conductors are used, for example, to contact electrically functional layers in laminated glass panes. Examples can be found in DE 42 35 063 A1 , DE 20 2004 019 286 U1 or DE 93 13 394 U1 . Further prior art can US 2018/287294 A1 be removed.
  • Such laminated glass panes usually consist of at least two rigid individual glass panes, which are adhesively connected to one another using a thermoplastic adhesive layer.
  • the thickness of the adhesive layer is, for example, 0.76 mm.
  • additional electrically functional layers such as heating coatings and/or antenna elements connected to a flat conductor.
  • a flat conductor suitable for this only has a total thickness of 0.3 mm.
  • Such thin flat conductors can be embedded between the individual glass panes in the thermoplastic adhesive layer without any difficulty.
  • flat conductors for contacting electrically functional layers is not only limited to the vehicle sector. How out DE199 60 450 C1 known, flat conductors are also used in the construction sector. In composite or insulating glass panes, film conductors are used to electrically contact integrated electrical components such as voltage-controlled electrochromic layers, solar cells, heating wires, alarm loops or similar.
  • the window manufacturer requires a window with a complete connection element and a connection area for tool-free connection to additional control electronics.
  • the object of the present invention is to provide an improved flat conductor connection element and a connection arrangement manufactured therewith, which enables better quality control and in particular the use of different soldering tools.
  • the connection arrangement should be simple, cost-effective and efficient to produce.
  • the flat conductor connection element according to the invention is intended for soldering to an electrically conductive structure on a disk.
  • the electrically conductive structure is preferably an electrically conductive layer applied to a pane.
  • the flat conductor element comprises at least one conductor, which contains at least one flat conductor.
  • the conductor has a first connection area at a first end and a second connection area at a second end.
  • the first connection area has a connection surface for the electrical connection to the electrically conductive structure and a contact surface opposite the connection surface for (touch) contact with a soldering tool for soldering the connection surface. When installed, the connection and contact surfaces are parallel to the pane plane.
  • the second connection area is used to connect to an electrical control device, voltage source or the like.
  • the conductor consists only of the flat conductor (strip-shaped conductor, in particular metal strips). It goes without saying that in this case the first connection area is formed by the flat conductor.
  • the flat conductor has two opposite sides or surfaces, which form the connection surface and the contact surface.
  • the conductor comprises a flat conductor which is electrically connected to a round conductor, the round conductor optionally being electrically connected to a connecting piece.
  • the first connection area is formed by the round conductor or, if necessary, by the connecting piece.
  • the connection surface and the contact surface are advantageously formed by opposite sides or surfaces of the connection piece.
  • a flat conductor (also called a foil conductor or ribbon conductor) is an electrical conductor whose width is significantly larger than its thickness.
  • the flat conductor is preferably made so thin (i.e. the thickness is so small) that it is flexible and bendable.
  • the flat conductor preferably contains a metal foil, particularly preferably a strip-shaped or band-shaped metal foil.
  • the flat conductor consists of a metal foil, preferably of a strip or band-shaped metal foil.
  • the flat conductor preferably contains or consists of a copper foil, an aluminum foil, a stainless steel foil, a tin foil, a gold foil or a silver foil as a metal foil.
  • the metal foil can also contain or consist of alloys with the metals mentioned.
  • the metal foil is advantageously tinned in sections or completely. This is particularly advantageous in order to achieve good solderability and simultaneous corrosion protection.
  • the flat conductor has a thickness of 10 ⁇ m to 300 ⁇ m, preferably from 30 ⁇ m to 250 ⁇ m and in particular from 50 ⁇ m to 150 ⁇ m.
  • Such thin flat conductors are particularly flexible and can, for example, be easily laminated into composite disks and led out of them.
  • the flat conductor has a width of 0.5 mm to 100 mm, preferably from 1 mm to 50 mm and in particular from 10 mm to 30 mm. Such widths are particularly suitable for achieving sufficient current-carrying capacity in conjunction with the thicknesses mentioned above.
  • the width of the flat conductor can be constant or vary in width.
  • the flat conductor has a length of 5 cm to 150 cm, preferably from 10 cm to 100 cm and in particular from 50 cm to 90 cm. It goes without saying that the length, width and thickness of the flat conductor can be adapted to the requirements of each individual case.
  • the direction of the length defines the direction of extension.
  • the length and width directions span the first side and the second side opposite the first side.
  • the first side can also be called the bottom and the second side can be called the top of the flat conductor.
  • the first end and the second end are each the opposite ends of the flat conductor in the direction of extension.
  • the flat conductor connection element further comprises a flat, flat capsule layer made of an electrically insulating material, which envelops the conductor at least in a conductor section containing the first connection region.
  • the capsule layer has a first layer side, which faces the pane in the assembled state, and an opposite second layer side, which faces away from the pane in the assembled state. When installed, the two sides of the layer are parallel to the plane of the pane.
  • the capsule layer has an opening through which the connection surface and the contact surface of the first connection area are accessible from the outside, so that the connection surface can be soldered to the electrically conductive structure and a soldering tool for soldering the connection surface to the contact surface is provided electrically conductive structure with touch contact can be applied.
  • the opening is designed such that the first connection area of the conductor is located within the opening when viewed perpendicularly through the plane of the capsule layer (at least in the projection onto the plane of the capsule layer).
  • the capsule layer surrounds the first connection region in the plane of the capsule layer, with the connection region being exposed from both sides of the layer due to the opening.
  • the first connection region can also protrude from the opening perpendicular to the plane of the capsule layer (in the direction of the electrically conductive structure). At least in the projection onto the plane of the capsule layer, the first connection area is always within the opening.
  • the opening advantageously enables the connection surface to be soldered to the electrically conductive structure by applying a soldering tool, in particular a soldering iron, to the exposed contact surface.
  • a soldering tool in particular a soldering iron
  • the opening can be sealed by a cover on the side facing away from the pane in order to prevent water from penetrating into the opening.
  • “tightness” is intended to mean in particular watertightness, ie the penetration of water into the opening is prevented, so that the first connection area of the conductor is protected against moisture.
  • the capsule layer is firmly connected to the conductor and, for example, glued.
  • the capsule layer preferably contains or consists of polyimide or polyester, particularly preferably polyethylene terephthalate (PET) or polyethylene naphthalate (PEN).
  • PET polyethylene terephthalate
  • PEN polyethylene naphthalate
  • the capsule layer can also contain or consist of thermoplastics and elastomers such as polyamide, polyoxymethylene, polybutylene terephthalate or ethylene-propylene-diene rubber.
  • potting materials such as acrylate or epoxy resin systems can be used as a capsule layer.
  • the first connection area of the conductor is exposed due to the opening in the capsule layer, i.e. it is accessible from both sides of the layer. This enables simple electrical and, in particular, galvanic contacting of the conductor in the first connection area. It goes without saying that the two connection areas of the conductor can be protected from corrosion by an electrically conductive layer, such as tin plating, or an electrically non-conductive layer, such as soldering varnish. This protective layer is usually only removed, burned or otherwise penetrated during electrical contacting in order to enable electrical contact.
  • the breakthrough of the capsular layer can be created, for example, using a window technique or by subsequent removal, for example by laser ablation or mechanical removal.
  • window technology the conductor is coated, for example glued or laminated, with insulating films with corresponding recesses (windows) in the connection areas.
  • the opening extends completely from one layer side to the other layer side of the capsule layer, in the direction perpendicular to the plane of the capsule layer, so that the first connection region of the conductor is exposed.
  • the opening is, for example, a circular or round opening, with any other closed shape being equally possible, in particular oval or rectangular.
  • the capsule layer has on the layer side which should face the disk and/or on the layer side which is away from the disk should be turned away, an adhesive surrounding the opening, in particular an adhesive tape.
  • an adhesive surrounding the opening, in particular an adhesive tape.
  • connection surface of the conductor has a solder mass attached thereto. This facilitates the electrical contacting of the flat conductor connection element, since soldering the conductor to the electrically conductive structure is possible in a simple manner.
  • the solder mass is already provided in a particularly practical manner by the flat conductor connection element.
  • the flat conductor has at least one insulating layer and preferably an insulating film on the first side, on the second side or on the first side and the second side.
  • the insulation layer is advantageously firmly connected to the flat conductor and, for example, glued.
  • the insulation layer or film preferably contains or consists of polyimide or polyester, particularly preferably polyethylene terephthalate (PET) or polyethylene naphthalate (PEN).
  • PET polyethylene terephthalate
  • PEN polyethylene naphthalate
  • the insulation layer can also consist of an electrically insulating varnish, preferably a polymer varnish, which is applied to the flat conductor, for example by spraying or dipping the flat conductor into the varnish.
  • the insulation layer can also contain or consist of thermoplastics and elastomers such as polyamide, polyoxymethylene, polybutylene terephthalate or ethylene-propylene-diene rubber.
  • thermoplastics and elastomers such as polyamide, polyoxymethylene, polybutylene terephthalate or ethylene-propylene-diene rubber.
  • potting materials such as acrylate or epoxy resin systems can be used as an insulation layer.
  • Such insulation layers or films preferably have thicknesses of 10 ⁇ m to 300 ⁇ m, particularly preferably 25 ⁇ m to 200 ⁇ m and in particular 60 ⁇ m to 150 ⁇ m.
  • the insulation layer is advantageously bonded to the flat conductor via an adhesive layer.
  • the thickness of the adhesive layer is preferably 10 ⁇ m to 150 ⁇ m and particularly preferably from 50 ⁇ m to 75 ⁇ m.
  • Such insulation layers are particularly suitable for electrically insulating the flat conductor and for mechanically stabilizing it and protecting it from mechanical damage and corrosion.
  • the flat conductor is covered with the above-mentioned insulation layer or film.
  • the insulation layer can also be larger and in particular wider than the flat conductor.
  • the insulation layer can also serve as a carrier layer for the flat conductor and stabilize it mechanically.
  • the flat conductor is encased at least outside the capsule layer by an insulating layer (insulating sleeve) made of an electrically insulating material, which is designed like the insulation layer described above, the covered flat conductor being advantageously flexible.
  • the flat conductor can therefore be easily adapted to the spatial conditions at the installation site and can also be used to cover the opening.
  • the sheathed flat conductor outside the capsule layer has such a length that the opening in the capsule layer can be covered by the insulation layer.
  • the covered flat conductor can thus be guided over the opening and attached to the capsule layer on the side facing away from the disk in order to seal the opening.
  • An additional covering means can advantageously be dispensed with.
  • Flat conductors with an insulating layer are so thin that they can be embedded between the individual panes in the thermoplastic intermediate layer of a composite pane and led out of it without any difficulty.
  • the flat conductor is particularly suitable for contacting electrically conductive coatings in panes.
  • a flat conductor according to the invention with an insulating layer can contain several conductive metal foils that are electrically insulated from one another.
  • connection arrangement which comprises a disk with an electrically conductive structure, in particular an electrically conductive layer, applied thereto.
  • the connection arrangement further comprises a flat conductor connection element according to the invention, wherein the connection surface is electrically connected to the electrically conductive structure by soldering.
  • the connection surface is in particular soldered directly to the electrically conductive structure.
  • the connection arrangement further comprises a cover which covers (watertightly seals) the opening in the capsule layer on the layer side facing away from the pane. The cover is attached to the capsule layer.
  • the capsule layer is attached to the pane by an adhesive, in particular an adhesive tape, the adhesive preferably already being attached to the side of the capsule layer facing the pane before the flat conductor connection element is mounted on the pane.
  • the cover is formed by the flat conductor encased in an insulating layer (insulating sleeve), which is attached to the capsule layer in the area of the opening, completely covering it.
  • an insulating layer insulating sleeve
  • a separate cover part which is attached to the capsule layer, can be provided as a cover.
  • the cover is particularly advantageously attached to the capsule layer using an adhesive, in particular an adhesive tape, which enables the cover to be fastened cost-effectively and easily in practice.
  • the adhesive is already attached to the side of the capsule layer facing away from the pane before assembly of the flat conductor connection element.
  • the pane can be a single pane or a multi-pane glass, in particular multi-pane laminated glass.
  • the pane preferably contains glass, particularly preferably flat glass, even more preferably float glass and in particular quartz glass, borosilicate glass, soda-lime glass, or clear plastics, preferably rigid clear plastics, in particular polyethylene, polypropylene, polycarbonate, polymethyl methacrylate, polystyrene, polyamide, polyester, Polyvinyl chloride and/or mixtures thereof.
  • the disc is preferred transparent, especially for use as a windshield or rear window of a vehicle or other uses where high light transmission is desired. Transparent in the sense of the invention is then understood to be a pane that has a transmission in the visible spectral range of greater than 70%. For windows that are not in the driver's traffic-relevant field of vision, for example roof windows, the transmission can also be much lower, for example greater than 5%.
  • the thickness of the pane can vary widely and can therefore be perfectly adapted to the requirements of the individual case. Standard thicknesses of 0.5 mm to 25 mm, preferably 1.4 mm to 2.5 mm for vehicle glass and preferably 4 mm to 25 mm for furniture, appliances and buildings, in particular for electric radiators, are preferably used.
  • the size of the disk can vary widely and depends on the size of the use according to the invention.
  • the pane for example, has an area of 200 cm 2 to 20 m 2 , which is common in vehicle construction and architecture.
  • the flat conductor which is encased by an insulating layer outside the capsule layer, is guided over the opening on the layer side of the capsule layer facing away from the pane, so that the opening is completely covered, and is attached to the capsule layer, in particular by an adhesive, like an adhesive tape.
  • a separate cover part is attached to the capsule layer, in particular by an adhesive, such as an adhesive tape.
  • connection arrangement in the vehicle sector or in the construction sector, in furniture, electrical devices or decorative items in a multi-pane laminated glass pane.
  • the connection arrangement is used to contact an electrically conductive structure of a pane in the vehicle sector or in the construction sector, in furniture, electrical devices or decorative items.
  • the pane is, for example, a multi-pane laminated glass pane.
  • Figures 1 to 3 considered, in which exemplary embodiments of the connection arrangement according to the invention are illustrated in a schematic manner.
  • the connection arrangement designated overall by the reference number 100, comprises a flat conductor connection element 1 which is mounted on a disk 2.
  • the pane 2 is designed here, for example, in the form of a composite pane as a windshield of a motor vehicle.
  • the composite pane comprises two individual panes that are firmly connected to one another by a thermoplastic intermediate layer. A precise description of the structure of the composite pane is not necessary for understanding the invention, so that its description is unnecessary.
  • the pane 2 could equally be just a single pane and, for example, be designed as a so-called single-pane safety glass (ESG).
  • ESG single-pane safety glass
  • the pane 2 here consists, for example, of soda-lime glass.
  • An electrically conductive layer 3 is applied to a surface of the disk 2, which is electrically contacted by the flat conductor connection element 1.
  • the flat conductor connection element 1 is arranged close to a motor-side disk edge of the disk, adjacent to an adhesive area 8 ("PU line"), where the disk 2 is glued into a vehicle body.
  • the flat conductor connection element 1 comprises a conductor 4, which here is composed, for example, of a flat conductor 5 and a round conductor 6 connected thereto (see Figures 2 and 3 ).
  • a connecting piece 7 is also electrically connected to the round conductor 6.
  • the conductor 4 has a first connection area 9 at a first end 11 and a second connection area 10 at a second end 12.
  • the first connection area 9 has on its side facing the disk 2 a connection surface 13 for the electrical connection to the electrically conductive layer 3 and a contact surface 14 opposite the connection surface 13 for contact with a soldering tool (not shown) for soldering the connection surface 13 to the electric conductive layer 3.
  • the connection surface 13 and the contact surface 14 are parallel to the plane of the disk.
  • the second connection area 10 serves to connect to an electrical control device, voltage source or the like, which is not shown in more detail in the figures.
  • the conductor 4 could consist only of the flat conductor 5, with the first connection area 9 then being formed by the flat conductor 5.
  • the connection surface 13 and the contact surface 14 are thus also formed by the flat conductor 5.
  • the flat conductor 5 contains or consists of a strip or band-shaped metal foil, for example a copper foil, an aluminum foil, a stainless steel foil, a tin foil, a gold foil or a silver foil.
  • the flat conductor 5 has, for example, a thickness of 10 ⁇ m to 300 ⁇ m, preferably from 30 ⁇ m to 250 ⁇ m and in particular from 50 ⁇ m to 150 ⁇ m.
  • the flat conductor 5 has, for example, a width of 0.5 mm to 100 mm, preferably from 1 mm to 50 mm and in particular from 10 mm to 30 mm.
  • the flat conductor 5 has, for example, a length of 5 cm to 150 cm, preferably 10 cm to 100 cm and in particular 50 cm to 90 cm. It goes without saying that the length, width and thickness of the flat conductor 5 can be adapted to the requirements of the respective individual case.
  • the flat conductor connection element 1 has a flat, flat capsule layer 15 made of an electrically insulating material, which envelops or encapsulates the conductor 4 in a conductor section containing the first connection area 9.
  • the capsule layer 15 has a first layer side 16, which faces the pane 2 in the assembled state, and an opposite second layer side 17, which faces away from the pane 2 in the assembled state. Both layer sides 16, 17 are parallel to the plane of the pane.
  • the first layer side 16 can also be called the bottom side and the second layer side 17 can be called the top side of the capsule layer 15.
  • the capsule layer 15 does not extend to the second connection area 10 of the conductor 4.
  • the capsule layer 15 consists of polyimide or polyester.
  • the flat conductor 5 is electrically connected to the round conductor 6 in the area of the capsule layer 15. Outside the capsule layer 15 there is only the flat conductor 5, which outside the capsule layer 15 is covered by a flat, flat insulation layer 18 (insulation shell) made of an electrically insulating material, here for example polymide.
  • the flat conductor 5 is firmly connected to the capsule layer 15.
  • the capsule layer 15 has a here, for example, rectangular opening 19, through which the connection surface 13 and the contact surface 14 of the first connection region 9 are accessible on both layer sides 16, 17.
  • the contact surface 14 is shown from above.
  • the first connection area 9 is located within the opening 19 in a vertical view through the plane of the capsule layer 15 or through the plane of the disk 2.
  • a wall 20 surrounding or delimiting the opening 19 completely surrounds the first connection area 9 (in a vertical view through the plane of the capsule layer 15). In the area of the first connection area 9, no material of the capsule layer 15 is present within the opening 19.
  • the capsule layer 15 is glued to the pane 2 by the adhesive tape 21 arranged on the pane side.
  • the flat conductor 5 is electrically connected within the capsule layer 15 to the round conductor 6 by a contact element 23, for example a clamping element.
  • the connecting piece 7 is soldered to the electrically conductive layer 3 on the connecting surface 13 by a solder mass 22.
  • the connecting piece 7 projects slightly out of the opening 19 in the direction perpendicular to the pane 2.
  • the soldering mass 22 is already attached to the connecting piece 7 before soldering with the electrically conductive layer 3.
  • the flexible flat conductor 5, which is covered with the insulation layer 18, is guided over the first layer side 16 of the capsule layer 15 and covered the opening 19 is complete.
  • the flat conductor 5 is attached to the capsule layer 15 using the adhesive tape 21. This allows the opening 9 on the second layer side 17 to be tight.
  • the opening 9 on the first layer side 16 is sealed by the adhesive tape 21 'with which the capsule layer 15 is attached to the pane 2.
  • the first connection area 9 is therefore well protected against water ingress.
  • the flat conductor 5 is attached to the pane 2 by another adhesive tape 21".
  • FIG 3 A variant is illustrated in which the opening on the first layer side 16 is completely covered by a flat cover piece 24 made of an electrically insulating material such as polyimide.
  • the cover piece 24 is glued on by the adhesive tape 21'.
  • connection surface 13 can be soldered to the electrically conductive layer 3 in a simple manner, with a soldering tool, such as a soldering iron, being able to be attached to the contact surface 14.
  • a soldering tool such as a soldering iron
  • the opening 19 can be covered in a sealing manner, using the sheathed flat conductor 5 or a separate cover piece 24. Due to the good visibility, soldering can be carried out with high quality, and soldering tools such as soldering irons can also be used, which enables manual soldering in particular.
  • FIG. 4 A further embodiment is illustrated in which the flat conductor connection element 1 has two conductors 4, 4 ', the flat conductor connection element 1 otherwise having an analogous structure. Reference is made to the above statements. Only the two openings 19 are each covered by a cover flap 25, 25 '.
  • Figure 5 shows a flowchart of a method according to the invention for producing the connection arrangement 1 according to the invention.
  • the invention provides a flat conductor connection element and associated connection arrangement, through which simple and reliable soldering of the conductor is possible due to the opening in the capsule layer.
  • the opening can be covered in a sealing manner in a simple manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP21708566.1A 2020-02-07 2021-02-05 Flachleiteranschlusselement Active EP4101030B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20156266 2020-02-07
PCT/EP2021/052872 WO2021156480A1 (de) 2020-02-07 2021-02-05 Flachleiteranschlusselement

Publications (2)

Publication Number Publication Date
EP4101030A1 EP4101030A1 (de) 2022-12-14
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WO2025186142A1 (de) * 2024-03-04 2025-09-12 Saint-Gobain Sekurit France Flachleiteranschlusselement für leiterstruktur einer scheibe

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JP7483901B2 (ja) 2024-05-15
CN113498566B (zh) 2025-09-30
US12068553B2 (en) 2024-08-20
CN113498566A (zh) 2021-10-12
US20230048545A1 (en) 2023-02-16
KR20220127934A (ko) 2022-09-20
PL4101030T3 (pl) 2024-05-27
WO2021156480A1 (de) 2021-08-12
KR102742921B1 (ko) 2024-12-13
JP2023512569A (ja) 2023-03-27
EP4101030A1 (de) 2022-12-14

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