EP2966933B1 - Cartouche de chauffage électrique - Google Patents

Cartouche de chauffage électrique Download PDF

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Publication number
EP2966933B1
EP2966933B1 EP15176245.7A EP15176245A EP2966933B1 EP 2966933 B1 EP2966933 B1 EP 2966933B1 EP 15176245 A EP15176245 A EP 15176245A EP 2966933 B1 EP2966933 B1 EP 2966933B1
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EP
European Patent Office
Prior art keywords
section
lead wire
cross
cartridge heater
accordance
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
EP15176245.7A
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German (de)
English (en)
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EP2966933A1 (fr
Inventor
Andreas Schlipf
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.)
Tuerk and Hillinger GmbH
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Tuerk and Hillinger GmbH
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Publication date
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Publication of EP2966933A1 publication Critical patent/EP2966933A1/fr
Application granted granted Critical
Publication of EP2966933B1 publication Critical patent/EP2966933B1/fr
Active legal-status Critical Current
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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
    • H05B3/0014—Devices wherein the heating current flows through particular resistances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • 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
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • 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
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members
    • 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
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • 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
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • H05B3/08—Heater elements structurally combined with coupling elements or holders having electric connections specially adapted for high temperatures
    • 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
    • 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
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • 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
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
    • 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
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • H05B3/52—Apparatus or processes for filling or compressing insulating material in tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • 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
    • H05B2203/012—Heaters using non- flexible resistive rods or tubes not provided for in H05B3/42
    • 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
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • 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
    • H05B2203/016—Heaters using particular connecting means
    • 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
    • H05B2203/017—Manufacturing methods or apparatus for heaters

Definitions

  • the invention relates to an electric heating device with the features of claim 1 and a method for producing such a heating device.
  • Such electrical heating devices include, for example, heating cartridges, which are used, among other things, for heating a wide variety of components in the automotive industry.
  • Known heating cartridges often have a tubular metal jacket that defines a tube interior.
  • An electrical heating element is arranged in this raw interior, which is usually designed as a heating wire winding, which can be arranged in particular on a winding former and is expediently electrically insulated from the metal jacket, in particular by an insulating material filling.
  • connecting wires that are in electrical contact with the heating wire winding can be led out of the metal jacket.
  • An example of this basic structure is disclosed, for example, by DE 20 2011 105 348 U1 or the DE 20 265 960 U1 .
  • the heating cartridges known from the prior art do not yet prove to be ideal, particularly in the case of heating cartridges in which high currents are required to provide the desired heating power and thereby determine the geometry of the connecting wire.
  • the object of the invention is therefore to provide a particular improved heating cartridge with regard to this electrical contact.
  • the electrical heating cartridge according to the invention comprises at least one connecting wire and at least one electrical heating element which is wound at least in sections on a winding body, for example made of ceramic, the winding body having at least one channel into which at least one end of an electrical heating element wound on the winding body is received.
  • a winding body for example made of ceramic
  • the winding body having at least one channel into which at least one end of an electrical heating element wound on the winding body is received.
  • an at least partially closed channel is preferred, which is separated from the surroundings by a wall in the sections designed in this way in each direction perpendicular to the direction of the channel, for example. can be generated by a hole in the winding body.
  • the components mentioned are arranged within a metal jacket and embedded in an insulating layer, which in particular prevents an undesired short circuit to the metal jacket.
  • connecting wire - there may be one connecting wire - in particular if a metal sheath is used as the return conductor of the electrical heating cartridge - or several connecting wires, whereby in the latter case the connecting wires can also be designed differently and the electric heating cartridge can be connected on both sides or on one side by means of connecting wires .
  • the connecting wires can also be bent outwards or angled.
  • the connecting wire has at least one point or a section along its running direction at which the cross-sectional geometry of the connecting wire differs from the cross-sectional geometry of the connecting wire at least with regard to the contour of the cross-section of the connecting wire, that is to say in other words with regard to the contour of the local running direction
  • Lead wire vertical cut surface of the lead wire deviates at another location or another section, and that also a portion of the at least one lead wire is received in the channel, so that in the channel an electrical contact between the received end of the electrical heating element and the recorded section of the connecting wire.
  • contours that can be converted into one another by means of a geometric similarity mapping are to be understood as different contours.
  • the invention takes advantage of the inventor's knowledge that the requirements for the cross-sectional geometry of the connecting wire, which result from the adaptation to the use of a specific current, for example a given cross-sectional area, which is necessary in order to prevent undesired heating of the electrical heating cartridge in one to avoid unheated section, no stock within the winding body have more.
  • a higher current load, which is usually to be avoided, is acceptable there because, on the one hand, heating power is generally to be provided there and the winding body is dimensioned and configured in such a way that local overheating is also ruled out.
  • a section of the connecting wire can be designed in such a way that it fulfills the requirements for conductor geometry that apply outside the winding body, while a significantly thinner section is introduced into the channel of the winding body, which limits the maximum cross-sectional area of this section, and there the desired electrical contact to the electrical heating element, in particular a heating or resistance wire, with which the winding body is wound, in particular after radial pressing of the electrical heating cartridge, which leads to very good and intimate electrical contact.
  • the section of the connecting wire received in the channel of the winding body has a smaller cross-sectional area than at least one other section of the connecting wire.
  • the electric heating cartridge is pressed or compressed, in particular is highly compressed.
  • the local power density or the ohmic resistance of the connecting wire can also be varied in the respective section.
  • the connecting wire has at least one cross-sectional area with a rounded contour and / or at least has a cross-sectional area with a contour that is angular. It is particularly preferred if the area of the connecting wire which is received in the channel of the winding body has cross-sectional areas with a rounded contour. In this way, for example, a possible risk of breakage for the winding body, but also a risk of damage to the electrical heating element by an edge of the connecting wire acting thereon during pressing, can be significantly reduced, while in the area of the connecting wire, which runs outside the winding body, an optimal installation space or land use is possible.
  • the connecting wire - in particular in its section running outside the winding former - is at least partially surrounded by an insulation layer which is made in particular of PTFE, PFA, FEP, polyimide, silicone, rubber, glass silk or a plastic can. This ensures that a short circuit to a metal sheath forming the outer contour of the electrical heating cartridge is avoided even with large cross sections of the connecting wire.
  • the length of the section of the connecting wire which is received in the channel of the winding body is limited by a stop. In this way, an exact and reproducible insertion depth of the section of the connecting wire inserted into the channel of the winding former can be ensured, which standardizes the contact between the connecting wire and the electrical heating element and thus homogenizes the properties of the electrical heating cartridge within a production series or model.
  • the electrical contact between the connecting wire and the electrical heating element can be further improved and further standardized, so that the property fluctuations of the electrical heating cartridges are reduced given type can be further reduced. It is particularly preferred if the recess is created by punching or material removal by a shaping process.
  • the section of the connecting wire which is not received in the channel of the winding body is at a smaller distance from a metal jacket of the electrical heating cartridge than the section of the connecting wire which is received in the channel of the winding body, it is possible for the outside of the winding body Use the available space optimally to adapt the sections of the connecting wires running there, in order to enable the highest possible current flow.
  • the Figures 1a to 1f show an exemplary embodiment of an electrical heating cartridge 100.
  • the electrical heating cartridge 100 has a hollow cylindrical metal jacket 110 with bottom 111 in this example.
  • a winding body 130 is arranged, which with a electric heating element 140, for example a heating wire, is wrapped.
  • the winding body 130 has two channels 131, 132, in each of which one end 141, 142 of the electrical heating element 140 is received.
  • the electrical heating cartridge 100 has two connecting wires 150, 160, which, as FIGS. 1b, 1c and 1e show particularly clearly, each have a cylindrical first section 151, 161 and a cylindrical second section 152, 162, which merge into one another in a transition region 153, 163.
  • the cross section of the first section 151, 161 is in each case smaller than the cross section of the second section 152, 162, so that the connecting wires 150, 160 each have a point or a section at which the cross-sectional geometry of the connecting wire differs from the cross-sectional geometry of the connecting wire at least with regard to the contour of the cross section of the connecting wire differs in another location or section.
  • the cylinder axis of the first section 151, 161 runs parallel, but offset to the cylinder axis of the second section 152, 162 of the connecting wires 150, 160 and the connection-side end section of the second section 152, 162 is surrounded in each case with an insulation layer 154, 164.
  • a section 151, 161 of the at least one connecting wire 150, 160 is also received in the channel 131, 132, so that in the channel 131, 132 there is an electrical contact between the received end 141, 142 of the electrical heating element 140 and the recorded section 151, 161 of the connecting wire 150, 160.
  • the insertion depth is included defined by the fact that the transition area 153, 163 functions as a stop.
  • the interior 120 of the electrical heating cartridge 100 is closed with an end piece 170, which has bores 171, 172 for receiving the transition region 153, 163 and part of the second section 152, 162 of the connecting wires 150, 160, and is filled with an insulating material, not shown, typically a magnesium oxide granulate .
  • a compact unit is then produced by compressing or compressing the electric heating cartridge, in which an intimate contact between heating wire 140 and connecting wires 150, 160 is achieved in particular.
  • FIGS. 2a to 2i each show differently shaped forms of connecting wires 250, 260, 350, 360, 450, 460, 550, 560, 150.
  • the lead wire 250 has a first section 251, which is cuboid and a second section 252, which is cylindrical and has a larger cross-sectional area. Between the first section 251 and the second section 252, a third section 253 with an oval cross section is provided, the cross-sectional area of which, in terms of its size and outer contour, lies between the cross-sectional area of the first section 251 and the cross-sectional area of the second section 252. Between the sections 251, 252, 253 there is a transition area 254, 255 in which the respective cross-sections merge continuously.
  • Such an embodiment with three sections 251, 252, 253 is particularly useful when inside the tubular one Jacket of the heating cartridge should have an unheated section and the cross section of the jacket of the heating cartridge is not sufficient to accommodate the largest cross sections of the connecting wires.
  • the lead wire 260 according to Figure 2b has a first section 261, which is cuboid and a second section 262, which is cylindrical and has a larger cross-sectional area.
  • a transition region 264 is provided between the sections 261, 262, in which the respective cross sections merge continuously into one another.
  • a stop 263 is formed at the end of the first section 261 facing the transition region 264.
  • the lead wire 350 has a first section 351, which has a semicircular cross-section, and a second section 352, which is cylindrical and has as a cross-section the full circle corresponding to the semicircular cross-section of the first section 351, the radius of which is equally dimensioned, with which it logically also has a has a larger cross-sectional area.
  • the first section 351 merges directly into the second section 352, so that the abrupt change in cross-section at the transition point can act as a stop 353.
  • the lead wire 360 according to Figure 2d has a first section 361 which has a cross-section in the form of an annular segment and can be produced, for example, from a section with a cross-section in the form of a circular segment by providing a recess 364 by punching out or removing material.
  • the connecting wire 360 has a second section 362, which is cylindrical and has a cross section has the corresponding full circle of the same dimension with regard to its radius to the cross-section of the first segment 361, which logically has a larger cross-sectional area.
  • the first section 361 merges directly into the second section 362, so that the abrupt change in cross-section at the transition point can act as a stop 363.
  • the lead wire 450 has a first section 451, which is cylindrical and a second section 452, which is also cylindrical and has a larger cross-sectional area.
  • a third, likewise cylindrical section 453 is provided between the first section 451 and the second section 452, the cross-sectional area of its size and outer contour lying between the cross-sectional area of the first section 451 and the cross-sectional area of the second section 452.
  • the lead wire 460 has a first section 461, the cross section of which is L-shaped and, for example, can be produced from a section with a cuboid cross section by providing a recess 464 by punching out or removing material. Furthermore, the connecting wire 460 has a second section 462, which is cylindrical and has a larger cross-sectional area. The first section 461 merges directly into the second section 462, so that the abrupt change in cross section at the transition point can act as a stop 463.
  • the lead wire 550 has a first section 551, which is cuboid and a second section 552, which is cylindrical and has a larger cross-sectional area.
  • a third section 553 is provided between sections 551, 522, the cross-sectional area of which differs from the cross-sectional area of first section 551 only in one dimension, here specifically the width, three of the side boundary surfaces of first section 551 and third section also continuously merging, while the fourth side boundary surface and jumps, so that a stop 554 is formed.
  • a transition region 555 is provided between the third section 553 and the second section 552, in which the respective cross sections merge continuously into one another.
  • the lead wire 560 has a first section 561, which is cylindrical and a second section 562, which is also cylindrical and has a larger cross-sectional area. Between the first section 561 and the second section 562, a third section 563 with a cuboid cross section is provided, the end of which facing the second section 562 is widened symmetrically to a stop 564. Between the sections 561, 562, 563 there is a transition area 565, 566 in which the respective cross-sections merge continuously.
  • the lead wire 150 which in Figure 2i is shown corresponds to the design of the connecting wires that in the Figures 1a to 1f shown, connecting wire 150, which is why reference is made to the description thereof to avoid repetition.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Resistance Heating (AREA)

Claims (12)

  1. Cartouche de chauffage électrique (100) comprenant au moins un fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) et au moins un élément de chauffage électrique (140) enroulé au moins par segments sur un corps d'enroulement (130), le corps d'enroulement (130) comportant au moins un canal (131, 132) dans lequel est logée au moins une extrémité (141, 142) de l'élément de chauffage électrique (140) enroulé sur le corps d'enroulement (130),
    caractérisée en ce que
    le fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) comporte, le long de sa direction d'extension, au moins un premier emplacement ou un premier segment (151, 161, 251, 261, 351, 361, 451, 461, 551, 561) sur lequel la géométrie de la section transversale du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) diffère de la géométrie de la section transversale du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) au moins concernant son contour au niveau d'un second emplacement ou d'un second segment (152, 162, 252, 262, 352, 362, 452, 462, 552, 562) et en outre un segment du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) est logé dans ce canal (131, 132) de façon à obtenir dans ce canal (131, 132) un contact électrique entre l'extrémité insérée (141, 142) de l'élément de chauffage électrique (140) et le segment inséré du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560).
  2. Cartouche de chauffage électrique (100) conforme à la revendication 1,
    caractérisée en ce que
    le segment du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) logé dans le canal (131, 132) du corps d'enroulement (130) a une plus faible surface de section transversale qu'au moins un autre segment du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560).
  3. Cartouche de chauffage électrique (100) conforme à la revendication 1 ou 2,
    caractérisée en ce que
    le fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) a au moins une surface de section transversale ayant un contour arrondi et/ou au moins une surface de section transversale ayant un contour angulaire.
  4. Cartouche de chauffage électrique (100) conforme à la revendication 3,
    caractérisée en ce que
    la zone du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) qui est logée dans le canal (131, 132) du corps d'enroulement (130) a des surfaces de section transversale ayant des contours arrondis.
  5. Cartouche de chauffage électrique (100) conforme à l'une des revendications précédentes,
    caractérisée en ce que
    le fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) est entouré au moins par segments d'une couche d'isolation (154, 164).
  6. Cartouche de chauffage électrique (100) conforme à l'une des revendications précédentes,
    caractérisée en ce que
    la longueur du segment du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) qui est logé dans le canal (131, 132) du corps d'enroulement (130) est limitée par une butée (263, 253, 363, 463, 554, 564).
  7. Cartouche de chauffage électrique (100) conforme à l'une des revendications précédentes,
    caractérisée en ce que
    le segment du fil de liaison (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) qui est logé dans le canal (131, 132) du corps d'enroulement (130) est plus court que le canal (131, 132) du corps d'enroulement (130).
  8. Cartouche de chauffage électrique (100) conforme à l'une des revendications précédentes,
    caractérisée en ce que
    la surface de la section transversale du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) comporte, un évidement (364, 464) sur au moins un côté.
  9. Cartouche de chauffage électrique (100) conforme à la revendication 8,
    caractérisée en ce que
    l'évidement (364, 464) est obtenu par découpe à l'emporte-pièce ou enlèvement de matière par un procédé de formage.
  10. Cartouche de chauffage électrique (100) conforme à l'une des revendications précédentes,
    caractérisée en ce que
    la dureté et/ou la résistance d'au moins un fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) varie le long de sa direction d'extension.
  11. Cartouche de chauffage électrique (100) conforme à l'une des revendications précédentes,
    caractérisée en ce que
    la résistance à la torsion et/ou la flexibilité d'au moins un fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) varie le long de sa direction d'extension.
  12. Cartouche de chauffage électrique (100) conforme à l'une des revendications précédentes,
    caractérisée en ce que
    le segment du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) non logé dans le canal (131, 132) du corps d'enroulement (130) s'étend à une plus faible distance de l'enveloppe métallique (110) de la cartouche de chauffage électrique (100) que le segment du fil de connexion (150, 160, 250, 260, 350, 360, 450, 460, 550, 560) logé dans le canal (131, 132) du corps d'enroulement (130).
EP15176245.7A 2014-07-10 2015-07-10 Cartouche de chauffage électrique Active EP2966933B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014109720.3A DE102014109720A1 (de) 2014-07-10 2014-07-10 Elektrische Heizvorrichtung mit Steckkontakt

Publications (2)

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EP2966933A1 EP2966933A1 (fr) 2016-01-13
EP2966933B1 true EP2966933B1 (fr) 2020-04-29

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US (1) US10219322B2 (fr)
EP (1) EP2966933B1 (fr)
CN (1) CN105323884B (fr)
DE (1) DE102014109720A1 (fr)

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DE102013212205B4 (de) * 2013-06-26 2024-02-08 Türk & Hillinger GmbH Verfahren zur Herstellung einer elektrischen Heizpatrone
CN107889300A (zh) * 2016-09-29 2018-04-06 浙江久康电器有限公司 插接式红外线电热炉盘及装用该电热炉盘的电加热灶
DE102017102912B4 (de) 2017-02-14 2018-12-13 Türk & Hillinger GmbH Verfahren zum Verbinden einer elektrischen Vorrichtung mit einem Anschlusskabel und elektrische Vorrichtung mit einem Anschlusskabel
DE202017100815U1 (de) * 2017-02-15 2017-03-03 Türk & Hillinger GmbH Elektrische Vorrichtung mit rohrförmigem Metallmantel und darin aufgenommenem Isolierstoffkörper
DE202017101662U1 (de) 2017-03-22 2017-04-11 Türk & Hillinger GmbH Elektrische Vorrichtung mit Isolierstoffkörper
DE202017101660U1 (de) 2017-03-22 2017-04-12 Türk & Hillinger GmbH Elektrische Heizvorrichtung
DE202017101661U1 (de) 2017-03-22 2017-04-06 Türk & Hillinger GmbH Heizpatrone mit Thermoelement
CN107332088B (zh) * 2017-05-22 2019-07-26 中航光电科技股份有限公司 接触件端接结构
US10920651B2 (en) * 2018-01-29 2021-02-16 Liebherr-Components Colmar Sas Internal combustion engine comprising a turbocharger
DE202018102531U1 (de) * 2018-05-07 2018-05-22 Türk & Hillinger GmbH Heizpatrone mit Regelelement
JP7272777B2 (ja) * 2018-10-17 2023-05-12 日本発條株式会社 ヒータ
DE102019215700A1 (de) * 2019-10-11 2021-04-15 Coperion Gmbh Heizvorrichtung für mindestens einen Gehäuseabschnitt einer Schneckenmaschine sowie Verfahren zur Instandhaltung einer derartigen Heizvorrichtung
GB201915843D0 (en) * 2019-10-31 2019-12-18 Micromass Ltd Ion source

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US3492624A (en) * 1967-06-07 1970-01-27 Oakley Ind Inc Electrical heater and method of making the same
US3466426A (en) * 1967-10-06 1969-09-09 Electro Therm Plug-in electrical heating unit
DE20215960U1 (de) 2002-09-13 2003-01-16 Tuerk & Hillinger Gmbh Elektrische Heizpatrone für zylindrische Körper
DE202011105348U1 (de) 2011-09-06 2011-11-02 Türk & Hillinger GmbH Elektrische Heizvorichtung mit Anschlussdraht
CN203136207U (zh) 2013-01-09 2013-08-14 林忠 碳纤维电加热管

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Also Published As

Publication number Publication date
CN105323884A (zh) 2016-02-10
US20160014844A1 (en) 2016-01-14
DE102014109720A1 (de) 2016-01-14
US10219322B2 (en) 2019-02-26
EP2966933A1 (fr) 2016-01-13
CN105323884B (zh) 2019-10-25

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