EP3763167A1 - Flächenelektrobauteil und verfahren zur herstellung - Google Patents
Flächenelektrobauteil und verfahren zur herstellungInfo
- Publication number
- EP3763167A1 EP3763167A1 EP19709468.3A EP19709468A EP3763167A1 EP 3763167 A1 EP3763167 A1 EP 3763167A1 EP 19709468 A EP19709468 A EP 19709468A EP 3763167 A1 EP3763167 A1 EP 3763167A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet metal
- electrically conductive
- adhesive layer
- conductive adhesive
- electric component
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater non-flexible
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater flexible, e.g. heating nets or webs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/009—Heaters using conductive material in contact with opposing surfaces of the resistive element or resistive layer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/013—Heaters using resistive films or coatings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
- H05B2214/04—Heating means manufactured by using nanotechnology
Definitions
- the invention relates to a surface electric component, a sheet-metal composite material for a surface electric component and a method for producing a surface electric component. Furthermore, the invention relates to devices such as loading containers, protective walls and roof, wall, ceiling and Bo denpaneele for buildings that comprise a surface electric component in example in the form of a surface heating and / or a Flä chendeformationssensors.
- heaters or sensors are integrated as separate units in planar components such as walls of containers or building walls, if a corresponding functionality (heating of the environment, detection of environmental influences) is desired. For example, it is known to install heating wires, heating coils, heating mats or heating coatings on surface elements or to provide pressure sensors in walls.
- Heating coatings need to conduct current in the layer layer large layer thicknesses and to achieve he required electrical conductivity expensive fillers (such as silver) and complex electrode structures. If the heating coatings are to be applied to an electrically conductive substrate, it must be electrically insulated from the heating coating, for example by a pre-painting, resulting in large-scale applications at high disposal costs in the scrapping.
- a heating device in which a heating layer and, moreover, a second contacting layer are applied over a series of coating processes on a substrate forming a first contacting layer.
- the application of the heating layer can be done by spraying, rolling or doctoring.
- EP 2 457 412 Bl describes a high-temperature heating which uses heating element layers formed of a flowable base material and carbon nanotubes dispersed therein.
- One of the underlying object of the invention can be seen to provide a surface electric component, which has an integral, planar electrical functionality, such as heating or sensor technology, and is inexpensive to produce.
- the surface electric component should have a high structural suitability for a large number of applications and areas of application.
- an object of the invention underlying can be seen to provide an inexpensive sheet-metal composite material for a surface electric component and to provide methods which are used for the production of a sheet-metal composite material as a precursor of the surface electronic component.
- a surface electric component comprises a first sheet metal panel, a second sheet metal panel and an electrically conductive adhesive layer, the between facing surfaces the first sheet-metal panel and the second sheet-metal panel is arranged.
- the first sheet-metal panel forms a first electrode of the surface electric component
- the second sheet-metal panel forms a second electrode of the sheet-metal electrical component and, during operation, a current flow takes place from the first sheet-metal panel to the second sheet-metal panel through the electrically conductive adhesive layer in the direction perpendicular to the layer of adhesive layer.
- the two sheet metal panels which may be shaped blanks from a rolled sheet metal strip, are held together by the electrically conductive adhesive layer.
- the electrically conductive adhesive layer may be a chemically curable adhesive layer in which the bonding of the first and second sheet metal panels takes place via activation of the chemically curable adhesive layer.
- the electrical conductivity of the adhesive layer may be defined by an electrically conductive filler material (e.g., metal particles, carbon particles such as
- the current flow direction perpendicular to the layer plane of the adhesive layer ensures that the layer material only has to have a relatively low electrical conductivity in comparison to arrangements in which the current flow takes place in the layer plane. As such, a relatively small fill factor of conductive particles may be sufficient to produce the desired electrical layer properties.
- the vertical current flow allows high reliability of the surface electric component, since an interruption of the current flow due to the large cross section can not practically occur. Since the current is input via sheet metal panels, a high mechanical and / or structural stability of the surface electric component can be ensured. This allows a high reliability of the surface electric component can be achieved with mechanical stresses against short circuits.
- the electrically conductive adhesive layer may be, for example, a chemical cure (crosslink) based adhesive layer.
- the chemical curing of the adhesive layer also contributes to the robustness of the WING chenelektrobauteils and thus to its reliability.
- the electrically conductive adhesive layer can be constructed, for example, on the basis of a baked enamel.
- Baked enamel coatings are chemically hardenable adhesive coatings specially developed for electro-core construction, offering high mechanical and thermal (long-term) stability and high corrosion protection.
- one or both of the facing surfaces of the two Elektropaneele with a metallic corrosion protection layer, such as a corrosion protective layer on zinc and / or aluminum-based covered.
- the anticorrosive layer it can further be provided that one or both of the mutually facing surfaces of the two electrical panels are covered with an electrically conductive lacquer layer whose specific electrical resistance is smaller than a specific one
- the electrode layer to the electrically conductive adhesive adjacent electrode surface (which is formed by the surface of the electrically conductive paint layer) uniform and defined electrical properties and the underlying electrode materials (for example, the metallic corrosion protection layer or the sheet material of the metal panels) before reactions (eg Oxidation) with ambient mediums (eg air) are protected.
- the adhesive layer may be arranged in the form of a pattern covering the surfaces facing each other over part of the surface. Due to the only partial application of the adhesive layer can be a Maschinener saving by reducing the required amount of material to achieve adhesive (possibly with the appropriate amount of filler).
- spacers are arranged between the mutually facing surfaces.
- the spacers increase the reliability of the surface electrode component and, especially in combination with an adhesive layer applied only over part of the surface, can result in cost savings.
- the sheet metal panels may be relatively large in area and have side lengths in one or both dimensions equal to or greater than 1.0 m, 2.0 m, 3.0 m or 4.0 m, etc.
- the surface electric component can have, for example, an electrical functionality as electric surface heating and / or as an electrical surface deformation sensor. These or other electrical functionalities can also be shared. As will be explained in more detail below by way of example Purified, resulting in a variety of applications and uses. In particular, applications are possible, please include, in which a high mechanical stability, Tragfä ability and robustness and / or large areas are required and / or high corrosion resistance or resistance ability to environmental influences are required.
- Products which consist of or can be made of the flat electric component described here are therefore, for example, containers, roofing, wall, ceiling and / or floor panels for buildings as well as protective walls with integrated breakdown protection and / or integrated impact detection.
- a sheet metal panel composite for panel electrical components comprising a rolled sheet metal strip and an electrically conductive adhesive layer applied over a surface of the rolled sheet metal strip.
- a sheet-metal composite can be a Vor product for a occidentalnelektrobauteil, as described here, represent, since it contains in tape one electrode and the electrically conductive adhesive layer (which is not activated at this time, however).
- Another aspect relates to a method for producing a sheet-metal electrical component, which is a separation of a sheet metal strip, on whose surface an electrically conductive adhesive layer is applied, in first sheet metal panels, and bonding the first sheet metal panels by means of the adhesive layer respectively with second sheet metal panels, such that the first sheet metal panel, a first electrode of the surface electric component and the second sheet metal panel, a second electrode of the Flä
- chenelektrobauteils form comprises. Again, it is envisaged that the flow of current between the sheet metal panel over the electrical conductive adhesive layer is perpendicular to the adhesive layer layer.
- the bonding of the first sheet metal panels with the second sheet metal panels in a pressing station can be carried out using a surface pressure and an energy supply to activate the adhesive layer.
- the method may be fully performed by the customer, i. after delivery of the metal strip with the applied thereon electrically conductive adhesive layer by the Stahlpro douents, performed. It is also possible that, for example, the step of unifying the sheet metal strip still occur at the steel producer and the remaining steps at the customer.
- a further aspect relates to a method of producing a sheet metal strip composite material intended as a precursor for the production of a sheet-metal electrical component, the method comprising producing a rolled sheet metal strip and applying an electrically conductive adhesive layer over a surface of the rolled sheet metal strip.
- the method may further include forming a metallic corrosion protection layer, particularly a zinc and / or aluminum based corrosion protection layer, over the surface of the rolled sheet metal strip before applying the electrically conductive adhesive layer and / or forming an electrically conductive lacquer layer over the surface of the rolled sheet metal strip prior to the orders of electrically conductive adhesive layer include.
- a metallic corrosion protection layer particularly a zinc and / or aluminum based corrosion protection layer
- the specific electrical resistance of the electrically conductive lacquer layer less than a specific electrical resistance of the adhesive layer.
- An inexpensive way of applying the electrically conductive adhesive layer is to apply it by a roll application or by a printing process, in particular screen printing.
- Both the production process and the production of the (optional) metallic corrosion protection layer and / or the (optional) electrically conductive lacquer layer can be fully performed by the steel producer, i. For example, be carried out locally in the steel mill.
- FIG. 1 shows, in a longitudinal section, by way of example a planar electrical component according to a first embodiment.
- FIG. 2 shows an electrical equivalent circuit diagram of the surface electric component of FIG. 1.
- FIG. 3A is a detailed illustration of the detail D1 of FIG. 1 according to a first example.
- FIG. 3B is a detailed illustration of the detail D1 of FIG. 1 according to a second example.
- FIG. 3C is a detailed illustration of the detail D1 of FIG. 1 according to a third example.
- FIG. 4 shows, in a longitudinal section representation, by way of example a surface electric component according to a second embodiment.
- FIG. 5A shows a perspective view of a partially cut-open area electrical component with a partial adhesive layer in the form of a grid pattern.
- FIG. 5B shows a perspective view of a partially cut-open surface electric component with a partially adhesive layer in the form of a strip pattern.
- FIG. 5C shows a perspective view of a partially cut-open area electrical component with a partially adhesive layer in the form of a dot pattern.
- FIG. 6A shows a detailed illustration of the detail D2 from FIG. 4 according to a first example.
- FIG. 6B shows a detailed illustration of the detail D2 from FIG. 4 according to a second example.
- FIG. 7 shows the use of surface electric components as wall and ceiling panels for covered living areas.
- FIG. 8 shows the use of surface electric components as a wall of a storage container for liquid, gaseous or solid substances.
- Figure 9 shows the use of surface electric components as a wall of a storage container for an electric battery.
- Figure 10 shows the use of surface electric components as a protective wall with integrated breakdown protection and / or inte grated impact detection.
- FIG. 11 shows the use of surface electric components as a robust counter.
- Figure 12A shows an exemplary process of applying an electrically conductive, chemically curable adhesive layer over a surface of a rolled sheet metal strip.
- FIG. 12B shows a cross-section of a sheet metal strip composite material, as may be produced, for example, by the process illustrated in FIG. 12A.
- FIG. 13 shows an exemplary method for producing a sheet-metal electrical component from sheet-metal strip composite material.
- the term “over” may also have the specific meaning that the element or layer of material applied “above” a surface or is applied “directly on”, ie, for example, in direct contact with the surface in question.
- FIG. 1 shows an exemplary surface electric component 100 according to a first embodiment.
- the surface electric component 100 includes a first sheet metal panel 110, a second sheet metal panel 120, and an electrically conductive adhesive layer 130 disposed between facing surfaces 110A and 120B of the first sheet metal panel 110 and the second sheet metal panel 120, respectively.
- the sheet metal panels 110, 120 may be shaped blanks, the same from a continuous sheet metal strip, example, by transverse division, were made.
- the first and second sheet metal panels 110, 120 may, for example, have a thickness equal to or greater than 0.5 mm, 0.75 mm, 1.0 mm, 1.5 mm, 2.0 mm or 2.5 mm.
- the thickness and the material (for example steel) of the sheet-metal panels 110, 120 can thereby be based on the planned intended use of the sheet-metal electrical component 100, ie in particular on the mechanical and / or structural stability required by the areal extractor 100 in the particular application.
- the sheet metal panel 110 may be made of a different metallic material than the sheet metal panel 120.
- the sheet metal panel 110 may be made of a steel material to ensure sufficient mechanical and / or structural stability
- the second sheet metal panel 120 may be made of an aluminum material.
- the thermal insulation property can be improved, since in particular the emissivity values (measure of the heat radiation, which exchanges a material with its environment) can be kept low when using aluminum.
- the thickness of the aluminum material would be advantageously less than or equal to 0.1 mm in such a case.
- the electrically conductive adhesive layer 130 may consist of a chemically curable adhesive which is present in the finished surface electric component 100 in cured form. Thus, the electrically conductive adhesive layer 130 adheres the two sheet-metal panels 110, 120.
- the adhesive may be, for example, a polymerization adhesive, a polycondensation adhesive or a polyaddition adhesive.
- the electrically conductive adhesive layer 130 can be produced on the basis of a baked enamel layer.
- Known enamel coatings are epoxy resin-based baked enamel with latent hardener.
- An advantageous composition may be obtained if the organics of the (dried) baked enamel coating, for example, 7.5 to 10.5 vol .-% latent hardener and For example, 89.5 to 92.5 vol .-% epoxy resin.
- the enamel filler eg electrically conductive particles of carbon (eg soot particles, carbon nanotubes, etc.) or metal particles
- the remainder can in the (dried) baked enamel layer may also contain possible impurities.
- the electrical conductivity of the electrically conductive adhesive layer 130 can be achieved by fillers (for example by the addition of electrically conductive particles as mentioned above), or it is possible to use an intrinsically conductive organic adhesive.
- the layer thickness of the electrically conductive adhesive layer 130 may be, for example, equal to or greater than 30 ym, 50 ym, 75 ym, 100 ym or 150 ym. Larger layer thicknesses in the range above 200 ym, 300 ym, 400 ym are also possible.
- the ratio of the thickness of at least one of the first and second sheet metal panels 110, 120 to the layer thickness of the electrically conductive adhesive layer 130 may be, for example, equal to or greater than 5, 10, 15 or 20.
- the first sheet metal panel 110 forms a first electrode of the sheet electrical component 100 and the second sheet metal panel 120 forms a second electrode of the sheet electrical component 100.
- a current flow from the first sheet metal panel 110 to the second sheet metal panel 120 (or vice versa) is perpendicular to the plane of the electrically conductive adhesive layer 130th
- the surface electric component 100 may have different electrical functionalities. In a first example, it is used as surface heating.
- the two electrodes (first and second sheet metal panels 110, 120) are connected to a power source (SQ).
- SQ power source
- the current injection into the area chenelektrobauteil 100 thus takes place on the two metal panels 110, 120.
- the electrically conductive adhesive layer 130 acts as a heating coating, in which the heat takes place.
- the surface electric component 100 may also serve as a sensor.
- the two electric the (sheet metal panels 110, 120) with a measuring device M ver prevented.
- the measuring device M evaluates an electrical variable at its entrance. For example, an electrical resistance is measured or monitored. A change in the resistance may indicate a structural change (e.g., deformation, damage, destruction, etc.) of the panel electric component 100.
- Figure 2 shows a simplified representation of an equivalent circuit diagram of the surface electric component 100. Shown are a elec- electric device SQ / M (eg current source and / or Messein direction) and the sheet resistance R K s of electrically conductive adhesive layer 130.
- the equivalent circuit diagram refers to a design in which the electrical layer resistance R K s of the electrically conductive adhesive layer 130 is substantially greater than the electrical resistance of the sheet metal panels 110, 120.
- Values for p K s can vary widely depending on the application and, for example, be equal to or greater than or less than 20 kQm, 60 kQm, 200 kQm, 800 kQm, 1000 kQm or 3000 kQm. In general, values in the range of kQm to several MQm are to be expected.
- a contact area A of eg 1 m 2 corresponds to a coverage of, for example, 100% of the panel size
- the heating power of the surface electrode component 100 results from the equation
- a desired heat output of the surface electric component 100 can be set as desired by selecting suitable values for A and / or SD and / or p K s.
- FIG. 3A shows a detail D1 from FIG. 1.
- a metallic corrosion Protective layer 111 for example zinc-based and / or aluminum-based corrosion-protection layer, which thus extends between the adhesive layer 130 and the base material (eg steel) of the first sheet-metal panel 110.
- the corrosion protection layer for example zinc-based and / or aluminum-based corrosion-protection layer
- FIG. 3B shows a second example of the detail D1, which differs from the example shown in FIG. 3A only in that between the metallic corrosion protection layer 111 and the adhesive layer 130 there is an electrically conductive lacquer layer
- the electrically conductive lacquer layer 112 can consist of an organic conductive lacquer, increase the corrosion protection and create an electrode contact surface with respect to the electrical and structural properties for the adhesive layer 130.
- the electrically conductive lacquer layer 112 may have a significantly higher specific electrical conductivity than the adhesive layer 130.
- the thickness of the electrically conductive lacquer layer 112 may be substantially less than the thickness of the electrically conductive adhesive layer 130 and, for example, equal to or less than 20 ym, 15 ym or 10 ym.
- the electrically conductive resist layer 112 may have a high flatness and act as an electrode finish enhancing electrode finish.
- FIG. 3C shows a further example of the detail D1 of FIG. 1, in which the metallic corrosion protection layer 111 is dispensed with in comparison to the example of FIG. 3B. Otherwise, the information given in FIGS. 3A and 3B can be transferred to the example shown in FIG. 3C.
- the second electrode of the second sheet 120 comprising the second electrode of the surface electric component 100th can be realized analogously to the layer sequences shown in Figures 3A to 3C.
- FIG. 4 shows an exemplary surface electric component 400 according to a second embodiment.
- the surface electric component 400 differs from the surface electric component 100, for example, only in that a protective layer 410 or 420 is applied to one or both outer surfaces of the sheet metal panels 110, 120 (i.e., on a surface HOB or a surface 120A).
- the protective layers 410, 420 may consist of a polymer material, for example. For example, a polyester material can be used.
- the protective layers 410, 420 may cause electrical isolation of the electrodes to the outside.
- the protective layers 410, 420 may cause electrical isolation of the electrodes to the outside.
- Protective layers 410, 420 enable a desired appearance of the surface electric component 400, as required, for example, for wall, floor or ceiling surfaces in the exterior or interior of buildings.
- the protective layers 410, 420 may be highly scratch resistant and / or highly UV resistant surface layers, e.g. already be used for facade applications in coated steel facades.
- the thickness of the protective layers 410, 420 may be, for example, equal to or less than or greater than 15 ⁇ m, 25 ⁇ m, 35 ⁇ m or 50 ⁇ m. In this way, surface electric components 400 can be produced which are electrically insulated from the outside and can be used in the same way as already known coated steel-based wall structures, but in contrast to these have an integrated electrical functionality.
- FIG. 5A shows a perspective view of a partially cut-open area electrical component 500.
- the areal electrode component 500 may correspond to one or more of the above described examples, but with the modi fication that the electrically functional adhesive layer 130 is arranged as the surfaces 110A and 120B only partially covering opaque pattern.
- FIGS. 5A and 5C show surface electric components 500 having a striped pattern and a dot pattern of adhesive, respectively.
- the illustrations in FIGS. 5A to 5C are merely exemplary and a multiplicity of further pattern forms can be realized.
- the degree of coverage of the adhesive layer 130 may be equal to or less than 80%, 60%, 40%, or 20% of the area of the substrate.
- Side lengths LI and / or L2 of the sheet metal panels 110, 120 may be equal to or greater than 1.0 m, 2.0 m, 3.0 m or 4.0 m in all the surface electric components 100, 400, 500 described here by way of example.
- FIG. 6A illustrates, in the form of a detail view of the detail D2 in FIG. 4, a first example in which spacers 610_1 are inserted, for example in the form of an insertion structure, between the sheet metal panels 110, 120 prior to the bonding thereof.
- Figure 6B illustrates another possibility in which spacers 610_2 in the form of beads, eg glass beads, are introduced between the sheet metal panels 110, 120 together with the adhesive (ie dispersed in it). Both options can be used both with full-surface adhesive layers 130 and the partially patterned adhesive layers 130 (see FIGS. 5A-5C).
- the spacers 610_1, 610_2 may have a thickness (or average diameter) of, for example, equal to or less than or greater than 30 ym, 50 ym, 75 ym, 100 ym, 125 ym, 150 ym, 175 ym or 200 ym.
- FIG. 7 shows, by way of example, the use of surface-electric component parts 100, 400, 500 as wall and ceiling panels for a thought-out location area, for example a bus stop.
- surface-electric component parts 100, 400, 500 as wall and ceiling panels for a thought-out location area, for example a bus stop.
- Many other indoor and outdoor applications are possible, for example as underfloor heating or wall heating in buildings or as radiant heat sources in halls or churches (where convection heating causes high costs) or outdoors.
- FIG. 8 shows, by way of example, the use of area-selectable components 100, 400, 500 as a wall of storage containers 800.
- the storage containers can be, for example, containers for liquid, gaseous or solid, in particular free-flowing substances, for example large-volume storage containers for gases or Liquids, or silos.
- the surface electric components 100, 400, 500 can here, as well as in many other applications, as a heater, as a pressure or De formationssensor or both are operated.
- FIG. 9 shows, by way of example, the use of surface-selectable components 100, 400, 500 as the wall of a storage container (electrical box) 900 for an electric battery, for example a battery in the field of electromobility.
- a storage container electrical box
- FIG. 8 shows, by way of example, the use of surface-selectable components 100, 400, 500 as the wall of a storage container (electrical box) 900 for an electric battery, for example a battery in the field of electromobility.
- FIG. 8 also apply mutatis mutandis to this application, whereby here too the combination of heatability and / or deformation sensor technology as well as structural stability and robustness can be of great importance.
- FIG. 10 shows, by way of example, the use of surface-selectivity components 100, 400, 500 as protective wall 1000 with integrated breakdown protection and / or integrated impact detection.
- the protective wall 1000 may be a guardrail in traffic.
- FIG. 11 shows, by way of example, the use of surface-selectivity components 100, 400, 500 as a robust counter 1100.
- a floor area consists, for example, of a street comprising a surface electric component which is used as a sensor for motor vehicles or other moving goods driving over it.
- a motor vehicle generates a measured variable which is detectable by the measuring device M and is detected.
- the functionality of the surface electric components 100, 400, 500 is not absolutely necessary for the functionality of the surface electric components 100, 400, 500 to be an evaluation of electrical signals from the electrodes in a measuring device as a sensor.
- material fatigue processes can be localized early on and then appropriately remedied.
- FIG. 12A shows, by way of example, a process for the production of a sheet metal strip composite material provided as a precursor for the production of a planar electric component.
- the starting product of the process is a rolled sheet metal strip 1210, as it is produced in a steelworks by known process steps (for example, hot rolling, cold rolling, galvanizing, etc.).
- the sheet metal strip 1210 may be, for example, a steel strip.
- cold rolled steel strip, electrolytically galvanized steel strip, hot dip galvanized steel strip or galvanized zinc-magnesium-aluminum (ZM) steel strip may be used.
- Possible coatings e.g., metallic anticorrosion layer (s) and / or electrically conductive lacquer layer
- s metallic anticorrosion layer
- / or electrically conductive lacquer layer have been previously described and are not shown in Figure 12A.
- the sheet metal strip 1210 is fed to a coating station 1250.
- an electrically conductive adhesive layer 130 ' is applied over a surface (corresponding to the surface 110A of the first sheet metal panel 110 or the surface 120B of the second sheet metal panel 120 in FIG. 1).
- the applications of the electrically conductive adhesive layer 130 ' for example, by a roll application, a screen printing process, optionally roller screen printing, or by a spray process, wherein in all cases either a full-area or partially patterned covering of the sheet metal strip 1210 with the electrically conductive adhesive layer 130 'can be achieved.
- a protective layer 410, 420 may optionally be applied to the opposite surface of the sheet metal strip 1210 (corresponding to the surface HOB of the first sheet metal panel 110 or the surface 120A of the second sheet metal panel 120 in FIG. 4), as described in connection with FIG 4 has already been explained.
- the coated with the electrically conductive adhesive layer 130 'sheet metal strip 1210 are passed through a drying station 1260.
- the electrically conductive adhesive layer 130 ' is dried so that subsequent handling processes, such as winding into a coil or stacking of laminated sheet metal panels, become possible.
- the electrically conductive adhesive layer 130 ' is not yet activated, i. it does not initiate the chemical reaction (e.g., crosslinking) of the adhesive.
- FIG. 12B shows, by way of example, a sheet-metal composite material 1200 produced by the process carried out in FIG. 12A. It may contain all previously described further layers (eg metallic corrosion protection layer 111, electrically conductive lacquer layer 112) and / or without protective layer 410, for example be alinstrument.
- the layer thicknesses of the not yet activated electrically conductive adhesive layer 130 ' may be in the range of the same values as described above for the layer thickness SD of the electrically conductive adhesive layer 130 in the areal selective layer. robauteil 100, 400, 500 were called. The same applies to the remaining information on the electrically conductive adhesive layer 130, in particular for the values of the specific electrical resistance p K s / which can likewise be transferred to the not yet activated electrically conductive adhesive layer 130 '.
- FIG. 13 exemplifies a method of manufacturing a sheet-metal electrode composite component 100, 400, 500 from sheet metal strip composite material 1200.
- the composite sheet-metal composite material 1200 may, for example, be in the form of a coil which has been delivered from a steel mill to a customer.
- the sheet metal strip 1200 is singulated in a separating station 1350.
- the separation of the sheet metal strip composite material 1200 can either be carried out by the steel manufacturer or after delivery of the sheet metal strip composite material 1200 to the customer.
- either ready-cut sheet metal panels 110, 120 are delivered or sheet plates are delivered, which are brought to the final shape in a subsequent shaping blank at the customer.
- two sheet-metal panels 110, 120 are bonded by means of the adhesive layer 130 'to the surface-electric component 100, 400, 500.
- two sheet metal panels 110, 120 are arranged one above the other with electrically conductive adhesive layers 130 'facing one another and pressed together in an adhesive station 1370 using a surface pressure (F) and with the supply of energy.
- F surface pressure
- usually high adhesive forces are achieved, which ensure the mechanical stability and integrity of the surface-mounted electrical component 100, 400, 500.
- the hardening of the curable adhesive layer 130 ' can be carried out by heating the pressed sheet metal panels 110, 120, for example in an oven or a heatable press on a relative to the ambient temperature raised temperature T, whereby the cured electrically conductive adhesive layer 130 ge forms.
- Other activation processes which may for example be based on the application of radiant energy, are also conceivable.
- the surface electric component 100, 400, 500 is mechanically finished and can be removed from the gluing station 1370 (eg oven or press).
- the sheet-metal electrical component 100, 400, 500 may optionally be installed and put into operation.
- an electrically conductive adhesive layer 130 ' may be provided on only one of the two sheet-metal panels and / or it is possible that different electrically conductive lacquer layers, protective layers and / or under different panel thicknesses are used.
- one of the two sheet metal panels eg the sheet metal panel forming an outer wall
- may be significantly thicker for example equal to or more than 2, 3, 4 times as thick
- the two protective layers 410, 420 are different, since the one protective layer (For example, inner wall of a container) is exposed to attacks other than, for example, the protective layer on an outer wall of the container, or as there are different optical requirements (visible / non-visible surface), for example.
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018203430.3A DE102018203430A1 (de) | 2018-03-07 | 2018-03-07 | Flächenelektrobauteil und verfahren zur herstellung |
| PCT/EP2019/055523 WO2019170720A1 (de) | 2018-03-07 | 2019-03-06 | Flächenelektrobauteil und verfahren zur herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3763167A1 true EP3763167A1 (de) | 2021-01-13 |
| EP3763167B1 EP3763167B1 (de) | 2024-02-21 |
Family
ID=65686879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19709468.3A Active EP3763167B1 (de) | 2018-03-07 | 2019-03-06 | Flächenelektrobauteil und verfahren zur herstellung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3763167B1 (de) |
| DE (1) | DE102018203430A1 (de) |
| WO (1) | WO2019170720A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4177030A1 (de) * | 2021-06-14 | 2023-05-10 | MULTIVAC Sepp Haggenmüller SE & Co. KG | Arbeitsstation für folienverarbeitende verpackungsmaschine |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3535494A (en) * | 1966-11-22 | 1970-10-20 | Fritz Armbruster | Electric heating mat |
| US4689475A (en) * | 1985-10-15 | 1987-08-25 | Raychem Corporation | Electrical devices containing conductive polymers |
| HUT41537A (en) * | 1987-04-27 | 1987-04-28 | Epitoeipari Szallitasi Vallala | Sensor for trasforming pressure and/or deformation into electric signal |
| TW309619B (de) * | 1995-08-15 | 1997-07-01 | Mourns Multifuse Hong Kong Ltd | |
| DE10310722A1 (de) * | 2003-03-10 | 2004-09-23 | Tesa Ag | Elektrisch erwärmbare Haftklebemasse |
| WO2005054012A1 (de) * | 2003-12-04 | 2005-06-16 | Iq-Mobil Gmbh | Vorrichtung zur messung eines wirkenden drucks auf einer oberfläche |
| DE102007007617A1 (de) * | 2007-02-13 | 2008-08-14 | Tesa Ag | Intrinsisch erwärmbare heißschmelzklebrige Flächengebilde |
| DE102009034307A1 (de) | 2009-07-21 | 2011-01-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Hochtemperaturheizung sowie Verfahren zu dessen Herstellung |
| KR20110088934A (ko) * | 2010-01-29 | 2011-08-04 | 아이원필름 주식회사 | 전자파감소 면상발열체 및 그 제조방법 |
| HK1207239A1 (en) | 2012-04-20 | 2016-01-22 | Futurecarbon Gmbh | Electric heating device, component and method for the production thereof |
| US20160113065A1 (en) * | 2013-05-21 | 2016-04-21 | Heat Trace Limited | Electrical heater |
| LU92205B1 (en) * | 2013-05-29 | 2014-12-01 | Iee Sarl | Transducer arrangement for measuring load variations |
| DE102013109755A1 (de) * | 2013-09-06 | 2015-03-12 | Rent A Scientist Gmbh | Leitfähiger Klebstoff |
| KR101585393B1 (ko) * | 2015-03-18 | 2016-01-14 | 주식회사 유니웜 | 부착식 전극을 이용한 카본사 면상발열체의 전극 형성방법 |
| DE102016203497A1 (de) * | 2016-03-03 | 2017-09-07 | Röchling Automotive SE & Co. KG | Heizeinrichtung für einen Kfz-Betriebsflüssigkeitstank mit einem PTC-Kunststoffkörper |
-
2018
- 2018-03-07 DE DE102018203430.3A patent/DE102018203430A1/de active Pending
-
2019
- 2019-03-06 WO PCT/EP2019/055523 patent/WO2019170720A1/de not_active Ceased
- 2019-03-06 EP EP19709468.3A patent/EP3763167B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019170720A1 (de) | 2019-09-12 |
| DE102018203430A1 (de) | 2019-09-12 |
| EP3763167B1 (de) | 2024-02-21 |
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