EP1467597B1 - Dispositif de chauffage - Google Patents

Dispositif de chauffage Download PDF

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Publication number
EP1467597B1
EP1467597B1 EP04008391A EP04008391A EP1467597B1 EP 1467597 B1 EP1467597 B1 EP 1467597B1 EP 04008391 A EP04008391 A EP 04008391A EP 04008391 A EP04008391 A EP 04008391A EP 1467597 B1 EP1467597 B1 EP 1467597B1
Authority
EP
European Patent Office
Prior art keywords
conductor
heating
heating element
heating elements
conductors
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.)
Expired - Lifetime
Application number
EP04008391A
Other languages
German (de)
English (en)
Other versions
EP1467597A3 (fr
EP1467597A2 (fr
Inventor
Andreas Hamburger
Werner Fassbinder
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.)
Eichenauer Heizelemente GmbH and Co KG
BorgWarner Ludwigsburg GmbH
Original Assignee
Eichenauer Heizelemente GmbH and Co KG
Beru AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eichenauer Heizelemente GmbH and Co KG, Beru AG filed Critical Eichenauer Heizelemente GmbH and Co KG
Publication of EP1467597A2 publication Critical patent/EP1467597A2/fr
Publication of EP1467597A3 publication Critical patent/EP1467597A3/fr
Application granted granted Critical
Publication of EP1467597B1 publication Critical patent/EP1467597B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • 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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • 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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/18—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material

Definitions

  • the invention relates to a heating device according to the preamble of claim 1.
  • the US 5,658,479 shows a PTC heating arrangement in which, although two PTC elements are electrically connected in parallel, but both are contacted in common on at least one side by at least two contact conductors, which are separately switchable.
  • the heat output should be changeable in accordance with the surfaces of the split electrodes. This may be the case to a slight extent, but certainly not proportional to the areas of the electrode parts, since the resistance between electrodes applied to a voltage source is not determined by the electrode area but by the total current path between them and again by the PTC body itself becomes.
  • the electrical heating elements are in an insulating frame, preferably made of plastic, with the fixed a strip-shaped electrical conductor is connected or integrated and contacted the heating elements directly.
  • This arrangement is in the first case in a housing of a U-shaped removal part, the U-leg contacted directly the other side of the heating elements and formed on the conductor applied insulating strip. In this case, the pressing takes place by means of slats seated on this housing.
  • the housing consists of an electrically conductive profile tube, in which the contact arrangement of PTC elements, conductors and placed on these insulating strips inserted and the housing is then pressed. In the aforementioned generic heating devices, all heating elements can only be acted upon together.
  • a heating device with plate-shaped heating elements which has two separately switchable heating zones in the extension direction of the heating elements and the contacting conductor.
  • the heating conductors are to be contacted from two end faces of the device or to omit part of the heating elements in each heating zone, as a result of which the heating density or specific heating power is unnecessarily reduced.
  • the invention is therefore an object of the invention to provide a heater with a plurality of separately switchable heating elements, when contacting only one end face of the heater and optimal optimum heating power.
  • the object is achieved with a heating device of the type mentioned, which has the characterizing features of claim 1.
  • the invention thus provides that substantially parallel and insulated from each other a plurality of electrical strip-shaped electrical conductors are provided which can be contacted on one side, wherein the first conductor to at least a first heating element or a first group of heating elements leads, on this or this side facing away from the first conductor parallel to this guided another conductor is guided to at least one second heating element or a second group of heating elements, on this or this opposite side of the second conductor possibly arranged third conductor is continued to at least a third heating element or a third group of heating elements, etc., and thus each conductor is electrically insulated from the further heating elements or groups of heating elements, as the first conductor to the second and third heating elements or groups thereof, etc.
  • the contacting of the heating elements by the conductors can be done directly or indirectly.
  • direct contact is / are the other or the other conductors except the first conductor to the heating elements bent out.
  • An indirect contact can be made via at least one electrically conductive spacer between the plane of the conductor and the contact surface of the heating element facing it or else a plurality of conductive spacers or a spacer and a contact plate.
  • Further preferred embodiments of the invention provide that heating elements, conductors and possibly spacers are arranged pressed in the housing, wherein in particular the housing is electrically conductive and at least one flat side of the housing in electrical contact with the at least one conductor facing away from flat side of at least one Heating element is.
  • Fig. 1 is a composed of four individual heaters according to the invention 1 heater R shown in perspective.
  • the individual heaters 1 are interconnected by cross members 10.
  • cross members 10 In addition to heating elements and holding and insulating elements in the Fig. 5 to 7 are shown and explained, are formed as profile tubes housing 2 of the heater 1 according to the invention and conductors 5.1, 5.2, which are formed as flat sheets and protrude from the housing 2. The exact structure and the cooperation with the heating elements is also below with reference to the Fig. 5 to 7 described.
  • FIG. 5 to 7 shown in more detail and explained with reference to these figures can be created in a heating coil formed from the invention 1 heater R in the illustrated embodiment, two heating zones (zone 1 and zone 2), as shown in the Fig. 2 are shown, which are switchable separately, so that either only the zone 1 is heated or only the zone 2 or both zones.
  • the Fig. 3 shows a plan view of a heater 1 according to the invention with the housing 2 and the outstanding therefrom conductors 5.1 and 5.2.
  • An enlarged view of the end portion of a heater 1 and the detail A of Fig. 2 is in the Fig. 4 shown.
  • the heating device 1 has a housing 2, the material is good heat transfer and preferably consists of metal.
  • the housing 2 may be a tube, preferably a profile tube, with adapted to the inner structure 3 of the device cross-section. Upper and lower surfaces are preferably compressed inwardly against the inner structure 3 of the device convex (concave towards the outside).
  • the inner structure 3 of the heating device 1 has - seen in the illustrated embodiment, from bottom to top - first an insulating strip 4, which rests on a lower top surface 2a of the housing 2 within the same. From one end face 2c of the housing extends a strip-shaped electrical conductor 5.2 with protruding from the housing 2 end 5.2a.
  • the same - are two plate-shaped ceramic heating elements 6.1 and 6.2 are provided, which abut with a flat side 6.1a, 6.2a directly to the upper deck surface 2b of the housing.
  • the first heating element 6.1 is contacted by another strip-shaped electrical conductor 5.1, which is led out with its end 5.1a on the same side of the housing 1, as the electrical conductor 5.2.
  • an insulating spacer 7.1 is provided between them in the region of the heating element 6.1.
  • a contact plate 5.3 and an electrically conductive spacer 7.2 are provided between this and the second electrical conductor 5.2 in the illustrated embodiment.
  • the end faces of the housing may be potted, wherein, as stated, the two conductors 5.1 and 5.2 are led out with their ends 5.1a and 5.2a on the front side of the housing from this.
  • first heating element 6.1 and the second heating element 6.2 can be charged separately from a single end face of the housing 2 and thus heated.
  • a first element 6.1 and a second heating element 6.2 - as shown for the sake of clarity only in the drawing - can also be provided a plurality of first heating elements 6.1 and a plurality of second heating elements 6.2, which can be contacted separately in the same way and energized.
  • Both the conductor 5.1 and the contact plate 5.3 are held in a central space of a frame 8, wherein in particular the conductors can be injected, for example, in the frame 8 or molded by this and the frame 8 the conductor 5.1 and the contact plate 5.3 in the vertical direction surmounted by its flat sides and in such a way also includes and positions the heating elements 6.1 and 6.2 as well as spacers 7.1 and 7.2.
  • the additional conductor 5.2 can also be enclosed in such a frame.
  • the structure of the heaters 1 of FIGS. 6 and 7 is basically similar and in the region of the first heating element 6.1 identical to the structure of the radiator Fig. 5 ,
  • the design of the Fig. 6 differs from the design of the Fig. 5 in that the second conductor 5.2 is bent in the region of the second heating element 6.2 towards the heating element 6.2, so that only a spacer 7.2 'between the bent region 5.2b of the second heating conductor 5.2 and the insulating strip 4 must be provided, wherein the spacer 7.2' may be conductive or non-conductive, preferably non-conductive.
  • the spacer 7.2 'with the insulating strip 4 also form a structural unit and be made of one piece, for example, from molded ceramic.
  • a further advantage here is a further reduction of the individual parts.
  • Fig. 7 is the contact plate 5.3 and the electrically conductive spacer 7.2 Fig. 5 is replaced by a one-piece electrically conductive spacer 7.2 ", which may also be injected into the holding frame 8.
  • This resulting configuration is particularly preferred, as it combines the advantages of reducing individual parts with a simple realization in the manufacture.

Landscapes

  • Resistance Heating (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Surface Heating Bodies (AREA)

Claims (15)

  1. Dispositif chauffant doté d'au moins deux éléments chauffants (6.1, 6.2) en céramique en forme de plaque en contact électrique sur deux surfaces planes opposées, au moins un conducteur électrique étant prévu sur au moins un premier côté, au moins deux conducteurs (5.1, 5.2) supplémentaires étant disposés de façon isolée l'un par rapport à l'autre sur un second côté opposé au premier côté des éléments chauffants (6.1, 6.2), caractérisé en ce qu'au moins un des conducteurs (5.1) prévu sur le second côté est relié à un premier élément chauffant (6.1) ou à un premier groupe d'éléments chauffants, en ce qu'au moins un conducteur (5.2) prévu sur le second côté est relié à un second élément chauffant (6.2) ou à un second groupe d'éléments chauffants et en ce que chacun des conducteurs (5.1, 5.2) est isolé électriquement par rapport aux autres éléments chauffants (6.1, 6.2) ou au groupe supplémentaire d'éléments chauffants.
  2. Dispositif selon la revendication 1, caractérisé en ce qu'au moins un conducteur (5.1, 5.2) est en contact direct avec un élément chauffant (6.1, 6.2).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'au moins un conducteur (5.1, 5.2) est en contact indirect avec un élément chauffant (6.2).
  4. Dispositif selon la revendication 3, caractérisé en ce qu'au moins un conducteur (5.2) est en contact avec au moins un élément chauffant (6.2) par l'intermédiaire d'au moins une pièce d'écartement (7.2, 7.2") électriquement conductrice.
  5. Dispositif selon la revendication 4, caractérisé en ce qu'au moins un conducteur (5.2) est en contact avec un élément chauffant par l'intermédiaire d'au moins une pièce d'écartement (7.2) électriquement conductrice ainsi que d'une plaque de contact (5.3).
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'au moins un conducteur électrique (5.1, 5.2) et/ou une plaque de contact (5.3) électriquement conductrice sont maintenus au niveau de leur périphérie par au moins un cadre (8) insolant.
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'au moins un conducteur (5.1, 5.2) électrique et/ou une pièce d'écartement (7.2, 7.2") électriquement conductrice sont maintenus au niveau de leur périphérie par au moins un cadre (8) isolant.
  8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que deux conducteurs (5.1, 5.2) sont isolés électriquement l'un par rapport à l'autre par au moins une pièce d'écartement (7.1) isolante disposée entre eux.
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un conducteur (5.2) comporte une zone (5.2b) coudée à angle droit en direction d'au moins un élément chauffant.
  10. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les deux conducteurs (5.1, 5.2) électriques au moins ne peuvent être contactés que par un côté avant (2c) du boîtier (2).
  11. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments chauffants (6.1, 6.2) et les conducteurs (5.1, 5.2) ainsi que le cas échéant les pièces d'écartement (7.1, 7.2, 7.2', 7.2") sont disposés dans un boîtier (2).
  12. Dispositif selon la revendication 11, caractérisé en ce que les éléments chauffants (6.1, 6.2), les conducteurs (5.1, 5.2) et le cas échéant les pièces d'écartement (7.1, 7.2, 7.2', 7.2") sont disposés de façon comprimée dans le boîtier (2).
  13. Dispositif selon la revendication 10 ou 11, caractérisé en ce que le boîtier (2) est réalisé de façon électriquement conductrice et en ce qu'au moins une surface plane du boîtier (2) est en contact électrique avec la surface plane opposée à ou aux conducteurs (5.1, 5.2) d'un élément chauffant (6.1, 6.2).
  14. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un des conducteurs électriques (5.1, 5.2) et/ou une pièce d'écartement (7.2) électriquement conductrice est extrudé d'un cadre isolant de maintien des éléments chauffants (6.1, 6.2).
  15. Procédé de fabrication d'un dispositif chauffant selon !'une quelconque des revendications précédentes, caractérisé en ce que d'abord, au moins un conducteur électrique (5.1, 5.2) et/ou une pièce d'écartement (7.2) électriquement conductrice est extrudé avec un cadre isolant de maintien des éléments chauffants (6.1, 6.2).
EP04008391A 2003-04-12 2004-04-07 Dispositif de chauffage Expired - Lifetime EP1467597B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10316908 2003-04-12
DE10316908A DE10316908A1 (de) 2003-04-12 2003-04-12 Heizvorrichtung

Publications (3)

Publication Number Publication Date
EP1467597A2 EP1467597A2 (fr) 2004-10-13
EP1467597A3 EP1467597A3 (fr) 2007-09-19
EP1467597B1 true EP1467597B1 (fr) 2008-10-15

Family

ID=32864461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04008391A Expired - Lifetime EP1467597B1 (fr) 2003-04-12 2004-04-07 Dispositif de chauffage

Country Status (5)

Country Link
US (1) US7087868B2 (fr)
EP (1) EP1467597B1 (fr)
KR (1) KR101019215B1 (fr)
AT (1) ATE411727T1 (fr)
DE (2) DE10316908A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005030392A1 (de) * 2005-06-29 2007-01-04 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät sowie Garguträger-Haltevorrichtung für ein Hausgerät
EP2025541B1 (fr) * 2007-07-18 2013-01-02 Eberspächer catem GmbH & Co. KG Elément d'un dispositif de chauffage produisant de la chaleur électrique
KR101096286B1 (ko) * 2009-08-04 2011-12-20 갑을오토텍(주) 피티씨 로드 조립체 및 이를 이용한 프리히터
DE102011077922A1 (de) * 2011-06-21 2012-12-27 Behr Gmbh & Co. Kg Wärmeübertrager
KR101913121B1 (ko) 2016-01-28 2018-10-31 자화전자(주) 독립제어 피티씨히터 및 장치
DE102016107035B4 (de) 2016-04-15 2022-07-14 Borgwarner Ludwigsburg Gmbh Heizstab
EP3786568A1 (fr) 2019-08-29 2021-03-03 Universidade do Minho Kit pour un radiateur modulaire pour la circulation de fluide et son procédé de fabrication

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ES366764A1 (es) 1969-05-03 1971-04-01 Mora Obrador Perfeccionamientos introducidos en instalaciones para el secado de ropa.
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US4841127A (en) * 1987-04-06 1989-06-20 Gte Products Corporation Dual temperature hair curler utilizing a pair of PTC heaters
DE3815306A1 (de) * 1988-05-05 1989-11-16 Eichenauer Gmbh & Co Kg F Elektrisches heizelement mit ptc-element
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Also Published As

Publication number Publication date
EP1467597A3 (fr) 2007-09-19
KR20040088986A (ko) 2004-10-20
US7087868B2 (en) 2006-08-08
ATE411727T1 (de) 2008-10-15
DE502004008244D1 (de) 2008-11-27
DE10316908A1 (de) 2004-10-21
US20040200830A1 (en) 2004-10-14
EP1467597A2 (fr) 2004-10-13
KR101019215B1 (ko) 2011-03-04

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