EP3305016B1 - Elektrische heizeinrichtung für mobile anwendungen - Google Patents

Elektrische heizeinrichtung für mobile anwendungen Download PDF

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Publication number
EP3305016B1
EP3305016B1 EP16732221.3A EP16732221A EP3305016B1 EP 3305016 B1 EP3305016 B1 EP 3305016B1 EP 16732221 A EP16732221 A EP 16732221A EP 3305016 B1 EP3305016 B1 EP 3305016B1
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EP
European Patent Office
Prior art keywords
heating conductor
heating device
electric heating
substrate
track sections
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Application number
EP16732221.3A
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German (de)
English (en)
French (fr)
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EP3305016A1 (de
Inventor
Tino KLINKMÜLLER
Stephan Buckl
Daniel Eckert
Christian Hainzlmaier
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Webasto SE
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Webasto SE
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Publication of EP3305016A1 publication Critical patent/EP3305016A1/de
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    • 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
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/46—Heating elements having the shape of rods or tubes non-flexible heating conductor mounted on insulating base
    • 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 plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • H05B3/262—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an insulated metal plate
    • 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 plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • H05B3/265—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an inorganic material, e.g. ceramic
    • 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
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/021—Heaters specially adapted for heating liquids
    • 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
    • H05B2203/022—Heaters specially adapted for heating gaseous material
    • H05B2203/023—Heaters of the type used for electrically heating the air blown in a vehicle compartment by the vehicle heating system

Definitions

  • the present invention relates to an electric heating device for mobile applications, in particular such an electric heater, which has a substrate and a heat conductor layer formed on the substrate, which has at least one extending in a main plane Edelleiterbahn.
  • a heating device for mobile applications is understood in the present context to mean a heating device which is designed for use in mobile applications and adapted accordingly. This means, in particular, that it is transportable (possibly permanently installed in a vehicle or merely accommodated for transport therein) and is not designed exclusively for a permanent, stationary use, as is the case, for example, when heating a building.
  • the heating device can also be permanently installed in a vehicle (land vehicle, ship, etc.), in particular in a land vehicle.
  • it may be designed to heat a vehicle interior, such as a land, water or air vehicle, as well as a partially open space, such as those found on ships, especially yachts.
  • the heater can also be used temporarily stationary, such as in large tents, containers (for example, construction containers), etc.
  • the electric heater for mobile applications as a stationary or auxiliary heater for a land vehicle, such as be designed for a caravan, a camper, a bus, a car, etc.
  • WO 2013/186106 A1 describes an electric heating device for a motor vehicle with a heating resistor designed as a conductor track on a substrate.
  • the conductor track is bifilar and in the area of a conductor track deflection in the opposite direction, a widened insulation area is provided.
  • the widened insulation region is intended to cause a current flow to set as far as possible through the full width of the conductor track, in order to avoid areas which flow through locally on the inside and areas which are poorly flowed through in the outer edge region of the conductor track.
  • the electric heater for mobile applications has a substrate and a heating conductor layer formed on the substrate.
  • the Kleinleiter Anlagen has at least one Kirschbahn which extends in a main plane on the substrate, wherein the Schuleiterbahn is structured such that a plurality of juxtaposed, separated by Isolierunterbrechungen separated track sections is formed and at least one reversal point is provided on which the Schuleiterbahn such is deflected, that inner track sections with mutually opposite directions of flow of current adjacent and parallel to each other.
  • the distance between the adjacent inner track sections with mutually opposite directions of current flow is formed locally widened in the region of the turning point on the inside.
  • the width of the track sections is locally reduced to minimize localized broadening on the inner side between the inner track sections and the inner track section Projecting the inner track sections to compensate.
  • the main plane on the substrate in which the Edelleiterbahn extends need not necessarily be flat, but may also be curved or curved, for example, as well as the substrate does not have to be flat, but also arched or curved can be.
  • the heating conductor track in the main plane is deflected by at least substantially 180 °.
  • the width of the track sections is locally reduced in the further outer track sections to compensate for the local broadening on the inside between the inner track sections and the projection of the inner track sections, a particularly compact design is made possible at the same time, in which the surface of the substrate is very is used efficiently for the training of Schuleiterbahn or Schuleiterbahnen.
  • the slight reduction in the cross-section associated with this refinement in the case of the outer track sections is unproblematic in view of the temperature distribution which occurs.
  • the at least one heating conductor extends in a bifilar pattern on the substrate. Due to the bifilar arrangement, the heating conductor track can cover the surface provided by the substrate to a great extent with small empty areas. Furthermore, the bifilar arrangement makes it possible to minimize possible interference radiation by the electric heater.
  • track sections of the heating conductor track are arranged next to one another in such a way that current flows through them in opposite directions or flowable web sections are each arranged adjacent to each other.
  • at least substantially all provided for heating web sections of Schuleiterbahn be part of the bifilar arrangement. In this way, the generated electromagnetic fields can cancel each other at least partially.
  • connection areas for connection to an electrical power supply can also be arranged non-bifilarly.
  • the remaining regions of the heating conductor can preferably be arranged at least substantially bifilarly.
  • each of the heating conductors may preferably have two reversal points each.
  • the heating conductor layer is structured in at least two heating conductor tracks, which are formed in a butterfly pattern on the substrate.
  • a butterfly pattern is to be understood as an essentially mirror-symmetrical embodiment with respect to a plane.
  • the at least two heating conductor tracks may preferably have at least one common connection for connection to an electrical power supply.
  • the design of the Schuleiterbahnen in such a butterfly pattern allows due to the symmetry achieved a very low electromagnetic radiation with excellent utilization of the substrate surface.
  • the heating conductor layer is a layer deposited on the substrate over a wide area and subsequently structured with material removal.
  • the heating conductor layer can preferably be applied to the substrate by a thermal spraying method and subsequently structured by laser processing. In principle, however, other methods, such as printing process, casting or the like for forming the Schuleiter für conceivable.
  • the heat conductor layer is preferably made of an electrically conductive metallic material and an interposed, electrically insulating and thermally highly conductive intermediate layer of the material of the substrate separated.
  • the heat conductor layer can be formed, for example, from a nickel-chromium alloy and be separated from the material of the substrate via an aluminum oxide layer.
  • the substrate itself may preferably have a good thermal conductivity, in particular be made of a metal.
  • the respective heating conductor can preferably have a width of a few millimeters, in particular a width between 2.5 mm and 5 mm, and a height (in the direction perpendicular to the substrate) in the range of 5 ⁇ m to 20 ⁇ m, in particular in the range of 10 ⁇ m up to 15 ⁇ m.
  • the electric heating device is designed as a high-voltage heater for an operating voltage in the range between 150 V and 900 V, preferably between 200 V and 600 V. It is, however, e.g. also a design for voltages up to 1000 V possible.
  • the electric heater can be particularly advantageous e.g. be used in an electric or hybrid vehicle, without consuming voltage transformers are required. It is e.g. but also possible to use the electric heater as a low-voltage heater for e.g. to design a range between 12V and 48V.
  • the heating conductor layer covers at least 80% of the substrate surface, preferably at least 85% of the substrate surface. In this case, a very good utilization of the available substrate surface is given and it is still still a sufficient isolation of the individual track sections against each other. In particular, the heat conductor layer may cover less than 95% of the substrate surface.
  • the insulation breaks have a width that is essentially constant over their extent.
  • a substantially constant width is meant in this context that the width varies by an average of less than 15%.
  • the width of the isolation breaks may vary less than 10%.
  • the substantially constant width of the Isolierunterbrechungen allows a particularly cost-effective production in an erosive process and at the same time a good utilization of the available substrate surface.
  • an electrically insulating material is arranged in the insulation breaks.
  • the electrically insulating material may preferably also cover, in addition to the insulation interruptions, the surface of the heating conductor track or heating conductor tracks which faces away from the substrate.
  • the electrically insulating material may be particularly preferred be deposited as a layer forming the Schuleiterbahn or the Schuleiterbahnen.
  • the heating conductor is designed such that at least over a predominant portion of its length in each case two web sections adjacent to the direction of current flow direction and parallel to each other.
  • the heating conductor can in particular be designed in such a way that, over at least 80% of the length, in each case two path sections with a directional current flow direction are adjacent and parallel to one another.
  • the two track sections may in particular be connected at their ends in each case to a common connection section for connection to an electrical power supply.
  • This embodiment allows a particularly favorable distribution of the current flowing in the electric heating element and thus a particularly homogeneous distribution of the heating power.
  • this structuring can be formed in a cost-effective simple manner, while making good use of the available surface of the substrate.
  • At least one further layer is formed on the heat conductor layer.
  • a plurality of layers may be formed on the heating conductor layer.
  • an insulating layer may be formed on the heat conductor layer, which also fills the Isolierunterbrechungen between the web sections of the heating conductor.
  • On the insulating layer may preferably be e.g. also be formed a sensor layer for monitoring the function of the electric heater.
  • a high level of safety can be provided via the insulating layer by additionally insulating current-carrying areas.
  • the electric heating device is a motor vehicle heating device.
  • the electric heating device can be used in particular for heating a fluid, such as e.g. Air may be formed for an interior of the vehicle or a liquid in a fluid circuit of the vehicle.
  • the heating conductor track is formed in the reversal point such that it has a smaller thickness in the direction perpendicular to the inner curve in the region of the inner curve Main plane than in the area of the outer curve. Due to the smaller thickness of the heating conductor in the region of the inner curve, in which the current path is shortened in the direction of extension of the heating conductor with respect to the outer curve, the electrical resistance in the region of the inner curve is increased in relation to the region of the outer curve. In this way, it is additionally avoided that the current flowing through the heating conductor current flows primarily in the region of the inner curve and therefore locally set very high currents, which would lead to a particularly strong local heating in the inner curve.
  • This embodiment can also be provided in a very simple manner and inexpensively. In the case of a predetermined course of the heating conductor track, this embodiment makes it possible to increase the achievable heating power per unit area, since the possible heating power is determined primarily by critical points at which local "hot spots" can form.
  • the heating conductor track is structured in the reversing point in such a way that the thickness increases stepwise from the inside curve to the outside curve.
  • a step-like structuring of the heating conductor can be realized in a particularly simple and cost-effective manner, e.g. by a partial removal of the material of the heating conductor, in particular e.g. by means of laser processing, in which the laser is driven in the area of the reversal point in several passes over the different areas.
  • the heating conductor track may have at least two different thickness levels (inside and outside) at the reversal point, but may be particularly preferred e.g.
  • the thickness of the Edelleiterbahn increases from the inner curve to the outer curve in several stages.
  • a stepped change in thickness is preferred, it is e.g. but also possible that the thickness e.g. increases substantially continuously from the inside curve to the outside curve.
  • the thickness of the heating conductor in the region of the inner curve is at most 65% of the thickness of the heating conductor in the region of the outer curve, preferably at most 50%, more preferably at most 30%. In this way, the formation of unwanted hot spots can be suppressed particularly reliable.
  • FIG Fig. 1 An electric heater 1 for mobile applications according to an embodiment is schematically shown in FIG Fig. 1 shown.
  • the electric heater 1 according to the embodiment is configured to heat a fluid in a vehicle.
  • the fluid may in particular be formed, for example, by air to be heated or by a liquid in a fluid circuit of the vehicle.
  • the electric heater 1 is designed in particular as a high-voltage heater for operation with an operating voltage in the range between 150 volts and 900 volts, in particular in the range between 200 volts and 600 volts.
  • the electrical heating device 1 it is also possible, for example, to design the electrical heating device 1 as a low-voltage heater for operation with an operating voltage in the range, for example, between 12 volts and 48 volts.
  • the electric heating device 1 has a substrate 2, which may be formed in particular simultaneously as a heat exchanger for transmitting the released heating power to the fluid to be heated.
  • a (not shown) underside may be provided with a plurality of heat exchanger fins or channels, over which the to be heated Fluid is passed.
  • the substrate 2 may preferably be formed from a metallic material having a high heat transfer coefficient, for example from aluminum or an aluminum alloy, in a very cost-effective manner in terms of manufacturing technology. In principle, however, it is also possible, for example, to manufacture the substrate 2, for example, from an electrically insulating material having high thermal conductivity, in particular, for example, a corresponding ceramic.
  • an electrically insulating layer 3 is deposited on the substrate 2, which has a high thermal conductivity.
  • the electrically insulating layer 3 may be e.g. preferably be formed in particular by alumina.
  • the electrically insulating layer 3 may be deposited on the substrate 2 in a thermal spraying process.
  • the electrically insulating layer 3 e.g. also be formed by targeted oxidation of the surface of the substrate 2.
  • the electrically insulating layer 3 is designed to electrically insulate the substrate 2 from a heat conductor layer 4 described below, but to allow a good heat transfer to the material of the substrate 2.
  • the electric heater 1 further has a heat conductor layer 4 deposited on the substrate 2 (or on the insulating layer 3 formed on the substrate 2).
  • the heating conductor layer 4 is formed of a metallic material and may be e.g. in particular have a nickel-chromium alloy.
  • the heating conductor layer 4 may preferably be deposited in particular in a thermal spraying process. Alternatively, however, it is e.g. also possible, the Schuleiter Mrs 4 e.g. to be deposited in a printing or casting process.
  • the heating conductor layer 4 is structured such that at least one heating conductor 5 is formed, which is designed to release ohmic heat when an electrical voltage is applied between its opposite ends.
  • the Schuleiter Anlagen 4 is structured in the specific embodiment such that two Schuleiterbahnen 5 are formed, which extend in a butterfly pattern on the substrate.
  • the butterfly pattern is designed such that the two Schuleiterbahnen 5 substantially extend mirror-symmetrically to a plane E, which is perpendicular to a main plane of the substrate 2.
  • terminals 9a, 9b, 9c are provided for connecting the heating wires 5 to an electric power supply.
  • a total of three such terminals are electrically isolated from each other, arranged side by side on one edge of the substrate 2.
  • the middle connection 9a is designed for electrically contacting both heating conductor tracks 5.
  • an equal electric potential may be applied to set the desired potential difference to the common terminal 9a. Since the two Schuleiterbahnen 5 are formed symmetrically to each other, only a more detailed description of one of the two Schuleiterbahnen fifth
  • the heating conductor 5 is structured such that it extends in a bifilar pattern on the substrate 2.
  • the heating conductor 5 is structured so that it has a plurality of side by side on the substrate 2 formed path sections 6, which are separated by insulation breaks 7 from each other and thus electrically isolated from each other.
  • the Isolierunterbrechungen 7 preferably be formed in that the Schuleiter Mrs 4 was first deposited surface on the substrate 2 and then the material of the Schuleiter Mrs 4 was selectively removed in the area of Isolierunterbrechungen 7, in particular for example by laser processing.
  • the respective current flow directions in the heating conductor 5 are shown schematically by arrows in order to make the structure of the heating conductor 5 better apparent.
  • FIG. 1 and Fig. 2 is shown schematically, formed between the respective track sections 6 Isolierunterbrechungen 7 over its longitudinal extent an at least substantially constant width.
  • the track sections 6 of the heating conductor 5 cover the surface of the substrate over a large area, so that the available surface is optimally utilized for the formation of heating power providing web sections 6.
  • the Schuleiterbahn 5 thus has a plurality of track sections 6 such that over the predominant Part of their extension always in the opposite direction of current traversed track sections 6 run side by side. In this way, a very low electromagnetic radiation of the electric heater 1 is achieved.
  • the heating conductor 5 is formed such that the Edelleiterbahn 5 is also longitudinally subdivided over a predominant region of its longitudinal extent, that always two run in the same direction of current track sections 6 side by side and these only in the immediate vicinity of the terminals 9a, 9b, 9c are connected to each other. In this way, an advantageous division of the current flow in the plane of the substrate 2 is achieved.
  • two reversal points 8 are formed in the heating conductor 5 (i.e., in each of the two heating conductors 5 of the electric heating device 1 according to the embodiment).
  • the heating conductor 5 is deflected in the main plane over a total of substantially 180 ° in such a way that internal track sections 6a with opposite current flow direction are separated and run parallel to each other only by an insulating interruption 7.
  • the enclosed area 11 is electrically conductively connected to one of the inner track sections 6a, ie no interruption of the heating conductor layer 4 is formed with respect to this inner track section 6a.
  • the local broadening of the distance between the inner track sections 6a in the region of the reversal point 8 avoids an excessive difference in the distance between current paths on the outer edge of the inner track sections 6a and current paths on the inner edge of the inner track sections 6a, resulting in an excessive concentration of the current flow on the inner side at the turning point 8 is prevented. Such an excessively local concentration of the current flow would lead to excessive local heating in the region of the reversal point 8.
  • the further insulating layer 10 is formed on the Bankleiter für 4, ie on the correspondingly structured Schuleiterbahnen 5, which were previously described, which covers the side facing away from the substrate 2 top of the Edelleiter für 4.
  • the further insulating layer 10 is in particular designed such that it also fills the Isolierunterbrechungen 7 between the track sections 6 of the Schuleiterbahnen 5. In this way, a particularly good insulation of the web sections 6 is ensured with each other.
  • the further insulating layer 10 may, for example after the structuring of the Schuleiter für 4 are deposited on the structured Schuleiterbahnen 5.
  • the deposition can, for example, again preferably be effected by a thermal spraying method, a casting method or the like.
  • the further insulating layer 10 may, for example, in turn be formed by aluminum oxide in order to achieve a good electrical insulation and at the same time a good thermal conductivity.
  • the further insulating layer 10 may preferably be e.g. also still be provided to apply on the further insulating layer 10, one or more further layers.
  • it may e.g. be advantageous to form at least one more sensor layer for monitoring the function of the electric heater 1.
  • the heating conductor 5 in the exemplary embodiment is designed at least at the reversal point 8 such that it is in the region of the inner curve 8a has a smaller thickness in the direction perpendicular to the main plane than in the area of the outer curve 8b.
  • the heating conductor 5 is structured in such a way that its thickness increases stepwise from the inner curve 8a to the outer curve 8b, as in FIG Fig. 5 is shown schematically.
  • Such step-like structuring in the direction transverse to the heating conductor 5 can be formed in a very simple and cost-effective manner, for example, by leaving the heating conductor 5 from an initial thickness of the heating conductor layer 4, which is left in the area of the outer curve 8b, in the direction of the inner curve 8a arranged areas is partially removed by means of a laser processing to a smaller thickness. This can preferably take place in particular in the same working step, in which the material of the heating conductor layer 4 is also removed to form the insulation breaks 7.
  • the Schuleiterbahn 5 may be structured in the curved portion 8, for example, with two stages such that overall in the direction transverse to the heating conductor 5 three height levels are realized. However, it is also possible, for example, to form only two different height levels or more than three height levels.
  • the thickness of the heating conductor 5 can preferably be reduced considerably in the region of the inner curve 8a in comparison to the region of the outer curve 8b.
  • the thickness of the heating conductor 5 in the region of the inner curve 8a may be at most 65% of the thickness of the heating conductor 5 in the region of the outer curve 8b, preferably at most 50%, more preferably at the highest 30%.
  • the heating conductor 5 in the region of the outer curve 8b may be, for example, about 25 .mu.m thick, in the region of the inner curve 8a only about 5 .mu.m thick and in an intermediate region about 15 .mu.m thick.
  • the temperature in the inner curve 8a can be significantly reduced by about 60 ° C (in the specific example, for example, from about 240 ° C to about 180 ° C).
  • the reduction of the thickness of the heating conductor layer 4 in the region of the inner curve 8a leads to a more homogeneous distribution of the electric current across the width of the heating conductor 5 due to the concomitant increase in the electrical resistance in the inner curve 8a.
  • the "hot spots "Conditional risk of a reduction in the life of the electric heater 1 significantly reduced. Overall, higher heating powers of the electric heating device 1 are made possible in this way, since the achievable heating capacities are essentially limited by "hot spots”.
  • the local reduction of the thickness in the region of the inner curve 8a of a reversal point 8 can in particular be formed, for example, relatively locally over an area in the immediate vicinity of the reversal point 8, in particular in FIG Fig. 4 schematically indicated by dashed lines.
  • FIG Fig. 4 schematically illustrated the additional structuring of the thickness of the Edelleiterbahn 5 is realized, for example, only in the area to the right of the dashed lines and in the area left of the dashed lines, the Schuleiterbahn 5 has a thickness substantially constant over its width.
  • the described reduction in the thickness of the heating conductor 5 in the inner curve 8a of the turning point 8 makes it possible to suppress the tendency to form hot spots so much that the extent of broadening of the distance between adjacent inner track sections 6a in the region of a turning point 8 are reduced can. In this way, an improved surface utilization of the surface of the substrate 2 is made possible.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP16732221.3A 2015-05-30 2016-05-29 Elektrische heizeinrichtung für mobile anwendungen Active EP3305016B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015108580.1A DE102015108580A1 (de) 2015-05-30 2015-05-30 Elektrische Heizeinrichtung für mobile Anwendungen
PCT/DE2016/100247 WO2016192714A1 (de) 2015-05-30 2016-05-29 Elektrische heizeinrichtung für mobile anwendungen

Publications (2)

Publication Number Publication Date
EP3305016A1 EP3305016A1 (de) 2018-04-11
EP3305016B1 true EP3305016B1 (de) 2018-11-21

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EP16732221.3A Active EP3305016B1 (de) 2015-05-30 2016-05-29 Elektrische heizeinrichtung für mobile anwendungen

Country Status (7)

Country Link
US (1) US10314114B2 (ko)
EP (1) EP3305016B1 (ko)
JP (1) JP6451870B2 (ko)
KR (1) KR101916621B1 (ko)
CN (1) CN107771411B (ko)
DE (1) DE102015108580A1 (ko)
WO (1) WO2016192714A1 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012209936A1 (de) * 2012-06-13 2013-12-19 Webasto Ag Elektrische Heizeinrichtung für ein Kraftfahrzeug
DE102016118829A1 (de) * 2016-10-05 2018-04-05 Webasto SE Elektrische Heizeinrichtung für mobile Anwendungen
US20210385911A1 (en) * 2018-09-18 2021-12-09 Eltek S.P.A. Semifinished product of an electric heater device, and electric heater device comprising such a semifinished product
DE102019107546A1 (de) * 2019-03-25 2020-10-01 Webasto SE Verfahren zur Kontaktierung eines Heizelements und Heizelement
DE102019107857A1 (de) * 2019-03-27 2020-10-01 Aixtron Se Heizvorrichtung für einen Suszeptor eines CVD-Reaktors
CN110241403A (zh) * 2019-07-23 2019-09-17 芜湖通潮精密机械股份有限公司 一种减小温差的加热器及其制作方法和应用
CN112298828A (zh) * 2019-07-26 2021-02-02 南通中集特种运输设备制造有限公司 集装箱加热装置及其卸料方法
CN112721573B (zh) * 2020-12-31 2022-05-31 镇江海姆霍兹传热传动系统有限公司 电动车辆及其电加热设备和电加热装置
CN112895846B (zh) * 2021-02-02 2022-04-26 镇江海姆霍兹传热传动系统有限公司 电动车辆、电加热器及其电加热腔总成

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883719A (en) * 1974-05-10 1975-05-13 Gen Electric Glass-ceramic cooktop with film heaters
JPS61134271A (ja) * 1984-12-05 1986-06-21 Oki Electric Ind Co Ltd サ−マルヘツド
JP2766433B2 (ja) * 1992-07-23 1998-06-18 株式会社東芝 半導体気相成長装置
JPH11317284A (ja) * 1998-04-30 1999-11-16 Komatsu Ltd 温度制御装置
JP2002151236A (ja) 2000-11-07 2002-05-24 Sumitomo Electric Ind Ltd 流体加熱用ヒータ
NL1029484C2 (nl) 2005-07-11 2007-01-12 Ferro Techniek Holding Bv Verwarmingselement voor toepassing in een inrichting voor het verwarmen van vloeistoffen.
TWI374682B (en) 2006-07-20 2012-10-11 Watlow Electric Mfg Layered heater system having conductive overlays
EP2441314A1 (de) 2009-12-21 2012-04-18 Behr-Hella Thermocontrol GmbH Elektrisches heizelement für eine heizung und verfahren zur herstellung eines derartigen elektrischen heizelements
US10880954B2 (en) 2010-11-05 2020-12-29 Tutco, Llc Foldable electric resistance heater and method of use
DE102012209936A1 (de) * 2012-06-13 2013-12-19 Webasto Ag Elektrische Heizeinrichtung für ein Kraftfahrzeug
JP6108163B2 (ja) * 2013-04-19 2017-04-05 株式会社クリエイティブテクノロジー 面状発熱体

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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DE102015108580A1 (de) 2016-12-01
EP3305016A1 (de) 2018-04-11
CN107771411B (zh) 2019-04-19
KR20180005264A (ko) 2018-01-15
KR101916621B1 (ko) 2018-11-07
JP2018516198A (ja) 2018-06-21
US20180152990A1 (en) 2018-05-31
US10314114B2 (en) 2019-06-04
WO2016192714A1 (de) 2016-12-08
CN107771411A (zh) 2018-03-06
JP6451870B2 (ja) 2019-01-16

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