EP1748679A2 - Cartouche chauffante comprimée - Google Patents

Cartouche chauffante comprimée Download PDF

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Publication number
EP1748679A2
EP1748679A2 EP06012918A EP06012918A EP1748679A2 EP 1748679 A2 EP1748679 A2 EP 1748679A2 EP 06012918 A EP06012918 A EP 06012918A EP 06012918 A EP06012918 A EP 06012918A EP 1748679 A2 EP1748679 A2 EP 1748679A2
Authority
EP
European Patent Office
Prior art keywords
insulating material
insulating
cartridge according
heating cartridge
heating
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
Application number
EP06012918A
Other languages
German (de)
English (en)
Other versions
EP1748679B1 (fr
EP1748679A3 (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
Original Assignee
Tuerk and Hillinger GmbH
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 Tuerk and Hillinger GmbH filed Critical Tuerk and Hillinger GmbH
Publication of EP1748679A2 publication Critical patent/EP1748679A2/fr
Publication of EP1748679A3 publication Critical patent/EP1748679A3/fr
Application granted granted Critical
Publication of EP1748679B1 publication Critical patent/EP1748679B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H05B3/02—Details
    • H05B3/04—Waterproof or air-tight seals for heaters
    • 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
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of 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

Definitions

  • the invention relates to a compacted heating element with at least one heating wire coil which is arranged exposed in a metal tubular body and embedded in a granulated insulating material and whose ends are each provided with protruding from the tubular body connections.
  • a compacted heating cartridge of the generic type is for example made DE 70 31 974 U known.
  • this heating cartridge several Schuleiterspiralen with different wire thicknesses and different spiral diameters are concentric with each other housed exposed in a cylindrical cartridge housing having a solid frontal bottom at one end and the other end is closed by a metal disc with wart-shaped holes.
  • a metal disc with wart-shaped holes instead of the usual connecting pins provided with Isoliermänteln strands are connected to the heating conductor ends. These strands are guided with their Isoliermänteln through the metal plate inside, so that there is an insulation between the metal disc and the conductor wires of the strands.
  • the invention has for its object to provide a compacted heating cartridge of the type mentioned, which can be produced with minimal labor and material costs.
  • This object is achieved according to the invention, that as a support for the heating wire coil in its width matched to the inner diameter of the tubular body flat insulating plate is provided, wherein the heating wire spiral along the two flat sides of the insulating material and thereby connected by a helical portion are connected to each other Deflection edge of the insulating material is performed.
  • the inventive arrangement and the provision of flat Isolierstoffplatten as a support for the heating wire coil it is much easier to place Bankdrahtchtl within the tube so that they can not come into contact with the pipe wall, so that less care is required when filling the insulating granules and this filling can be done much faster and thus cost-saving.
  • the connecting spiral section can be made of a short Wire section or comprise one or more windings.
  • the embodiment of claim 7 is advantageous in that the in itself quite unstable heating coil, if they rest only loosely on the two flat sides of the insulating, at larger lengths slightly radially outward against the Pipe wall can bend out. Due to the embodiment according to claim 7, this risk can be avoided.
  • the embodiments are provided according to claim 10, wherein the pairwise interconnected Wiendrahtheirl may be assigned to the two flat sides of the insulating plate different heating circuits.
  • the embodiment according to claim 17 is possible both in combination with the embodiment according to claim 10 and in combination with the embodiment according to claims 11 to 16.
  • the heating cartridge 1 consists of a cylindrical tubular body 2, which has a fixed bottom 3 and the upper open end 4 is closed by a closure disk 5.
  • the tubular body 2 is made of metal, preferably stainless steel. It may also consist of brass, copper or the like.
  • the closure disk 5 consists of an insulating material and is provided with through holes 6 for connecting pin 7 of two heating wire coil 8 and 9.
  • the two Schudrahtheirl 8 and 9 extend on both sides of a centrally disposed in the tubular body 2 insulating plate 10, which serves as a support for the heating wire coil 8 and 9.
  • the insulating plate 10 is provided in the region of its lower end with a bore 11 formed as a recess through which a the two heating wire coil 8 and 9 interconnecting coil portion 12 is guided.
  • the recess can also be designed as an open slot 11 '. In these Embodiments is the deflection, at which the coil portion 12 is applied, in the recess 11 or 11 '.
  • these recesses 11 and 11 ' have a size matched to the diameter of the heating wire coil 8 and 9, so that one of the two heating wire coils 8, 9' can easily pass through this recess 11 or 11 '.
  • the lower end edge 27 of the insulating material plate 10 may be used as a deflection edge and to guide the connecting coil section 12 directly around this end edge 27.
  • the lower end edge of the insulating material plate 10 may be provided with a not-shown notch.
  • the notch serves as a deflection edge for the helical section 12.
  • FIGS. 18 to 20b shows, it is also possible to produce an insulating distance to the base 3 by inserting a spacer ring 40 of insulating material, for example of ceramic, on which the lower edge of the insulating material plate 10 is seated.
  • a spacer ring 40 of insulating material for example of ceramic
  • the cavity of the tubular body 2 between the bottom 3 and the closure disc 5 is filled with an insulating material 13, which may consist of quartz sand or a metal oxide, in particular magnesium oxide.
  • an insulating material 13 which may consist of quartz sand or a metal oxide, in particular magnesium oxide.
  • a granulate made of heat-resistant plastic can also be used for this purpose.
  • the two heating wire coil 8 and 9 are within the tubular body 2 by the insulating plate 10 and the two connecting pins 7, which are fixedly connected to the upper ends of the heating wire coil 8 and 9, sufficiently guided or against radial bending and thus protected against contact with the pipe body wall.
  • retaining clips 14 are made of U-shaped flat bodies of insulating material and they are provided with U-shaped recesses 15, in which the heating wire coil 8 and 9 are guided.
  • these retaining clips have clamping fingers 16 and 17, which latchingly and positively engage in locking notches 18 of the insulating material 10.
  • These notches 18 are each arranged in pairs opposite to the longitudinal edges 19 and 20 of the insulating material 10.
  • the retaining clips 14 With both sides of the U-shaped recess 15 arranged support surfaces 21, the retaining clips 14 are respectively on the flat sides of the insulating material 10 at.
  • the insulating plate 10 may be made of micanite or ceramic or plastic.
  • the insulating plate 10 is provided at its lower end with two slot-shaped recesses 11 '. These recesses could also be designed as a bore.
  • retaining clips 14 ' are each provided with lateral clamping fingers 16 and 17 which engage positively in notches 18 of the insulating material 10. Between the U-shaped recesses 15 and 15 'there is a support finger 22, the end face 21 rests with the two support surfaces 21 on the clamping fingers 17 and 18 respectively on the flat side of the insulating plate 10 supporting.
  • a closure disk 5 '(FIG. 14) with four through-holes 6 is provided, through which the four connecting bolts 7 and 7' are guided to the outside.
  • FIG. 7a provides that the connecting pins 7 'of the two heating wire coils 9 and 9' (FIG. 8) are arranged at the lower end of the insulating plate 10 and thus protrude from the tubular body 2 on the lower end face.
  • the tubular body 2 is not provided with a lower end wall 3 but instead also with a closure disc 5 "as shown in Fig. 14a, which in this case is also used to close the upper end of the tubular body 5.
  • the through-holes 6 of this closure disc 5" are corresponding to the connecting pins 7 and 7 'off-center, offset from the median plane 25 to one side, arranged.
  • the hollow space of the tubular body 2 is subdivided into two space sectors 31, 32, 33 and 34 (FIG. 11) by two insulating panels 10 'crossing in the middle, in each of which a heating wire coil 8, 8' is divided. , 9, 9 'is located.
  • both insulating panels 10 ' are provided both at the upper end and at the lower end with two slot-shaped recesses 11', so that these two in the middle crossing position, as shown in FIGS. 11 and 12, in any Position can be inserted into the tubular body 2.
  • this is only a twice existing insulating plate 10 ', one of which is upside down.
  • the two insulating plates 10 ' can be positively connected with each other in intersecting position, they are each provided with plug-in slots 35 which extend centrally and in each case symmetrically to its longitudinal axis 36.
  • These plug-in slots 35 each have a width b1 which corresponds to the thickness d of an insulating material plate 10 '.
  • the two equally long and equally wide and otherwise the same shape designed insulating 10 ' can be inserted flush with each other, it is necessary that these plug-in slots 35 extend at least over half the length s .
  • retaining clips 14 are provided of insulating material, which have a U-shaped flat shape, with two clamping fingers sixteenth and 17 are provided and also have support surfaces 21. Between the support surfaces are formed in this case without support fingers 22 recesses 15 and 15 '. Between these recesses 15 and 15 ', a notch-like recess 15/1 is provided, the connecting web 15/2 is received by a notch 18 of the respective bridged insulating plate 10'.
  • the retaining clips 14 are used in the same way as the retaining clips 14 '.
  • FIGS. 16 to 20b show further embodiments of insulating sheets arranged in a crosswise arrangement.
  • a first insulating plate 10/1 with the usual shape and arranged on the longitudinal edges 19 and 20 notches 18 for attaching retaining clips 14 "of FIG. 12 and 15 is provided.
  • This insulating plate 10/1 has in the region of its narrow-side end portions respectively symmetrically to its longitudinal axis 36 extending plug-in slots 35 'on.
  • These two plug-in slots 35 'each have a width b2 which is twice the thickness d of a second insulating plate Corresponds to 10/2.
  • these plug-in slots 35 ' have a longitudinal spacing s1 from each other.
  • This longitudinal distance s1 corresponds to the length s1 of a rectangular cutout 35/1, which the two otherwise have the same design under the second insulating 10/2.
  • the two remaining end portions 42 of these two Second Isolierstoffplatten 10/2 have the width b.
  • the width b3 of the cutouts 35/1 corresponds to b / 2 + d / 2. thereby the end portions 42, as shown in FIG. 17, congruent to be inserted into the plug-in slots 35 'of the insulating material 10/1 so that they protrude equally far from this on both sides.
  • the upper and lower end portions 42 of the two second Isolierstoffplatten 10/2 as shown in Fig. 17, flat against each other touching each other.
  • the outer edges 20 of the second Isolierstoffplatten 10/2 are also provided with notches 18 which serve to receive retaining clips 14 '(Fig. 15).
  • the upper and lower end portions 42 of the second Isolierstoffplatten 10/2 are each arranged with symmetrical to the first insulating plate 10/1 and each other aligned recesses 11 'provided by which coil sections 12 or turns 12' of the heating wire coil 8, 9 can be passed through.
  • a spacer ring 40 is provided in each of the embodiments of FIGS. 18 to 20b on the ground 3 is seated and on the upper edge 41, the insulating 10/1 and 10/2 sit.
  • the helical section 12 or the windings 12 receive the appropriate distance from the bottom 3 of the tubular body 2.
  • the first insulating plate 10/1 is provided with an extension 43 protruding into the spacer ring 40.
  • the plug-in slot 35 'in this embodiment is not guided to the lower end of this extension 43, but rather ends in the amount of a support shoulder 44 with which the first insulating plate 10/1 is seated on the upper edge 41 of the spacer ring 40.
  • This extension 43 is also present in the embodiment of Fig. 18a.
  • the extension 43 of the first insulating plate 10/1 thereby protects the around the lower edges 27 of the second insulating 10/2 guided around turns 12 'of extending on both sides of the insulating plate 10/1 Schudraht Maisl 8 and 9 against mutual contact.
  • the two second insulating plates 10/2 are each provided with an extension 43 ', which is arranged between two laterally and end open recesses 45.
  • the deflection edges are each formed by the horizontal portions 46 of the recesses 45.
  • a plurality of turns 12 'of the heating wire spirals 8 and 9 can be guided around these deflecting edges 46 in the recesses 45 which are open both at the end and at the sides, thereby maintaining the required distance from the bottom 3.
  • the assembly of the heating element is carried out in such a way that first the Schudraht Maisl 8, 8 ', 9, 9' with the attached connecting pins 7 and 7 'in the manner shown in the drawing on the or the Isolierstoffplatten 10th Then, this preassembled component is inserted into the tubular body 2 and the remaining cavity is filled with the granulated insulating material from the open upper side Shutter 5 and 5 'used in the upper end of the tubular body 2 and the tube body from the outside radially so vepreßt that not only the granulated insulating material undergoes a strong compression, but that the through holes 6 of the shutter disc 5 and 5' are so reduced in that they rest tight against the connecting pins 7 and 7 '.
  • connecting pin 7, 7 ' can also other connections, as shown DE 70 31 974 U known, for example sheathed strands, be provided.
  • closure disks 5, 5 'and 5 " which in themselves consist of insulating solids, can also be replaced by other closure means Depending on the nature of the insulating material filled in the tubular body, they can even be dispensed with.

Landscapes

  • Resistance Heating (AREA)
EP06012918A 2005-07-26 2006-06-23 Cartouche chauffante comprimée Active EP1748679B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005011686U DE202005011686U1 (de) 2005-07-26 2005-07-26 Verdichtete Heizpatrone

Publications (3)

Publication Number Publication Date
EP1748679A2 true EP1748679A2 (fr) 2007-01-31
EP1748679A3 EP1748679A3 (fr) 2008-12-03
EP1748679B1 EP1748679B1 (fr) 2011-11-09

Family

ID=35140495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06012918A Active EP1748679B1 (fr) 2005-07-26 2006-06-23 Cartouche chauffante comprimée

Country Status (4)

Country Link
US (1) US7592572B2 (fr)
EP (1) EP1748679B1 (fr)
AT (1) ATE533328T1 (fr)
DE (1) DE202005011686U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221834A1 (fr) * 2009-02-24 2010-08-25 Türk + Hillinger GmbH Résistance de charge dotée d'une protection anti-court-circuit définie

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EP1777049A3 (fr) * 2005-10-24 2012-02-08 Samsung Electronics Co., Ltd. Cartouche de chauffage et dispositif de moulage avec une telle cartouche de chauffage
US7712327B2 (en) * 2007-03-19 2010-05-11 Colmac Coil Manufacturing, Inc. Heat exchanger and method for defrosting a heat exchanger
EP2009356A1 (fr) * 2007-06-26 2008-12-31 Ching-Hsiang Wang Four avec générateur de fumée
US9137858B2 (en) * 2007-12-10 2015-09-15 Sandvik Intellectual Property Ab Electric heating device
DE202008015329U1 (de) * 2008-11-19 2009-01-29 Türk & Hillinger GmbH Elektrische Rohrheizpatrone
DE202008016439U1 (de) 2008-12-11 2009-03-12 Türk & Hillinger GmbH Heizpatrone
DE102009038762B4 (de) * 2009-08-27 2011-09-01 Wiwa Wilhelm Wagner Gmbh & Co Kg Wärmeübertrager
US8395094B2 (en) * 2010-02-03 2013-03-12 Eastman Kodak Company Structure for conducting heat from cartridge heaters
US9140466B2 (en) 2012-07-17 2015-09-22 Eemax, Inc. Fluid heating system and instant fluid heating device
US10222091B2 (en) 2012-07-17 2019-03-05 Eemax, Inc. Next generation modular heating system
JP6049398B2 (ja) * 2012-10-24 2016-12-21 東京エレクトロン株式会社 ヒータ装置
WO2014098943A1 (fr) 2012-12-21 2014-06-26 Eemax, Inc. Chauffe-eau à fil nu de nouvelle génération
WO2014161916A1 (fr) 2013-04-04 2014-10-09 Koninklijke Philips N.V. Tube chauffant et utilisation de ce dernier dans un dispositif permettant de chauffer des articles
US10264629B2 (en) * 2013-05-30 2019-04-16 Osram Sylvania Inc. Infrared heat lamp assembly
DE102013212205B4 (de) 2013-06-26 2024-02-08 Türk & Hillinger GmbH Verfahren zur Herstellung einer elektrischen Heizpatrone
US9700951B2 (en) * 2014-05-28 2017-07-11 Hakko Corporation Heater sensor complex with high thermal capacity
WO2015186872A1 (fr) * 2014-06-02 2015-12-10 우진공업주식회사 Dispositif de chauffage pour thermostat électronique et son procédé de fabrication
US10765597B2 (en) * 2014-08-23 2020-09-08 High Tech Health International, Inc. Sauna heating apparatus and methods
CN104333924A (zh) * 2014-10-17 2015-02-04 芜湖市泰能电热器具有限公司 一种高性能加热铝管
CN107250686B (zh) 2014-12-17 2020-03-17 伊麦克斯公司 无水箱式电热水器
IN2015CH01305A (fr) * 2015-03-16 2015-05-15 Kapila Nivedita
FR3074268B1 (fr) * 2017-11-30 2020-05-15 Valeo Systemes Thermiques Dispositif electrique de chauffage d'un fluide caloporteur pour vehicule automobile
US10201042B1 (en) * 2018-01-19 2019-02-05 Trs Group, Inc. Flexible helical heater
CN109480447B (zh) * 2019-01-04 2024-04-02 深圳市奋达科技股份有限公司 一种风筒发热架及风筒发热架的装配方法
DE102019111921A1 (de) * 2019-05-08 2020-11-12 Türk & Hillinger GmbH Elektrische Heizvorrichtung für den Niedrigtemperaturbereich und Verfahren zur Herstellung einer solchen elektrischen Heizvorrichtung
US11979950B2 (en) 2020-02-18 2024-05-07 Trs Group, Inc. Heater for contaminant remediation
DE202020101182U1 (de) * 2020-03-04 2020-03-12 Türk & Hillinger GmbH Elektrische Heizvorrichtung
CN111447700B (zh) * 2020-04-24 2022-02-15 宜昌市禹猫智能科技有限公司 电加热管
US11642709B1 (en) 2021-03-04 2023-05-09 Trs Group, Inc. Optimized flux ERH electrode
US20230225015A1 (en) * 2022-01-10 2023-07-13 Chromalox, Inc. Heating element unit

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US2824199A (en) * 1955-04-04 1958-02-18 Acra Electric Corp Electrical heating element
FR1400035A (fr) * 1964-06-30 1965-05-21 Heraeus Schott Quarzschmelze Radiateur infra-rouge
US3310769A (en) * 1964-06-16 1967-03-21 Rama Corp Cartridge heater
US3313921A (en) * 1962-11-16 1967-04-11 Heraeus Schott Quarzschmelze Infrared heater

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GB1074532A (en) 1963-01-21 1967-07-05 Thermal Syndicate Ltd Improvemetns in the construction of heaters
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DE2907870A1 (de) 1979-03-01 1980-09-04 Hotset Heizpatronen U Zubehoer Elektrischer rohrheizkoerper
US5095193A (en) * 1990-06-01 1992-03-10 Ogden Manufacturing Co. Cartridge heater having resilient retaining means
DE19716010C1 (de) 1997-04-17 1998-10-29 Tuerk & Hillinger Gmbh Elektrischer Mantelrohrheizkörper mit integriertem Temperaturfühler
EP1467599B1 (fr) * 2003-04-12 2008-11-26 Eichenauer Heizelemente GmbH & Co.KG Dispositif pour l'admission des éléments de chauffe en céramique et procédé pour la production de tels

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Publication number Priority date Publication date Assignee Title
US2224422A (en) * 1937-06-09 1940-12-10 Edwin C Ballman Resistor type split phase motor
US2824199A (en) * 1955-04-04 1958-02-18 Acra Electric Corp Electrical heating element
US3313921A (en) * 1962-11-16 1967-04-11 Heraeus Schott Quarzschmelze Infrared heater
US3310769A (en) * 1964-06-16 1967-03-21 Rama Corp Cartridge heater
FR1400035A (fr) * 1964-06-30 1965-05-21 Heraeus Schott Quarzschmelze Radiateur infra-rouge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221834A1 (fr) * 2009-02-24 2010-08-25 Türk + Hillinger GmbH Résistance de charge dotée d'une protection anti-court-circuit définie

Also Published As

Publication number Publication date
US20070023418A1 (en) 2007-02-01
EP1748679B1 (fr) 2011-11-09
ATE533328T1 (de) 2011-11-15
US7592572B2 (en) 2009-09-22
DE202005011686U1 (de) 2005-10-06
EP1748679A3 (fr) 2008-12-03

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