EP2203027A1 - Cartouche de chauffage - Google Patents

Cartouche de chauffage Download PDF

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Publication number
EP2203027A1
EP2203027A1 EP09013783A EP09013783A EP2203027A1 EP 2203027 A1 EP2203027 A1 EP 2203027A1 EP 09013783 A EP09013783 A EP 09013783A EP 09013783 A EP09013783 A EP 09013783A EP 2203027 A1 EP2203027 A1 EP 2203027A1
Authority
EP
European Patent Office
Prior art keywords
support wall
metal shell
insulating material
strands
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
EP09013783A
Other languages
German (de)
English (en)
Other versions
EP2203027B1 (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 EP2203027A1 publication Critical patent/EP2203027A1/fr
Application granted granted Critical
Publication of EP2203027B1 publication Critical patent/EP2203027B1/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
    • H05B3/40—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 heating cartridge with at least one heating wire coil having at least two preferably coreless spiral strands which extend along the two sides of a matched in its width to the inner diameter of a metal shell support wall of insulating material and embedded in the metal shell in a granulated insulating material, wherein the Schudrahtenden are each provided with protruding from the same end of the metal shell terminals, and wherein the Schudraht mindfulln in the region of the connection remote, closed end of the metal shell facing end edge of the support wall are electrically connected together, and where necessary along the length of the Walkerdrahtchtl at the longitudinal edges of the support wall distributed spacers are arranged of insulating material, which keep the coil strands insulating from the metal shell.
  • connection remote ends of the two Schudraht mindfulln as shown DE 20 2005 011 686 U1 known, be interconnected by a helical portion which is guided around a lower deflection edge of the insulating material.
  • the Isolierstoffwand only serves to keep the two helical strands mutually at a distance and thus to isolate electrically against each other.
  • special, bow-shaped spacers are provided, which are arranged on both sides of the insulating material in more or less large distances and attached to the edges of the insulating wall self-holding.
  • the lying in the region of this open end of the metal sheath Schudrahtenden, or the verbundnenen with these Schudrahtenden connection connector must be held by means of auxiliary equipment so that they do not disturb the filling and not get into the metal shell on the one hand. Only after the filling of the granules, the metal shell can be closed by means of a plug, which also has to take the connection connector. This working method is very time consuming and therefore costly.
  • a compacted heating element of the generic type is also made DE 70 31 974 U known.
  • this Schupatrone two or more Schuleiterhausln (in the publication called “Heizleiterspiralen” called) with different wire thicknesses and different helical diameters concentrically exposed to each other housed in a cylindrical cartridge housing having at one end a solid frontal bottom and the other end by a metal disc with wart-shaped Drilling is closed.
  • connection bolts provided with Isoliermänteln strands are connected within the cartridge housing to the Schudrahtenden. These strands are guided with their Isoliermänteln through the metal plate inside, so that there is an insulation between the metal plate and the conductor wires of the strands.
  • Means which isolate the coaxial helical strands against each other and against the metal cartridge housing are not provided. Even with this heating cartridge filling the Isoliergranulats is cumbersome and expensive.
  • the invention has for its object to provide a heating cartridge of the type mentioned, which is inexpensive to produce with minimal labor and material costs.
  • connection-side end of a dimensionally stable support wall is provided with an attached coil holder, to which the Schudrahtenden are secured under a turn the Schudrahtplanetaryl at a distance holding tension and which is provided with at least one filling opening for the granulated insulating material or whose contour with the metal shell forms such a filling opening.
  • the connecting coil portion may consist of a short wire section or comprise one or more turns.
  • a deflection edge a peripheral edge of a recess in the support wall, which from the ground the metal sheath has a certain distance, so that the guided around this deflecting helix section with the ground can not come into contact.
  • the fillings consisting of MgO granulate or quartz sand are compacted by radial compression of the metal shell.
  • the embodiment according to claim 4 also shows a very advantageous possibility of accommodating safety switching elements against thermal overloading in the region of the closed end section of the metal jacket.
  • each pairwise interconnected Walkerdrahtheirl may be assigned to different heating circuits on the two flat sides of the support wall.
  • the in the Fig. 1 and 2 or 13 and 14 illustrated heating cartridges 1 and 1/1 each have a cylindrical metal shell 2, which is provided with a solid bottom 3 and the upper open end, as in Fig. 1 , can be closed by a shutter disk 4.
  • the metal shell 2 is preferably made of copper or stainless steel.
  • the closure disk 4 consists of an insulating material and is provided with through-holes for two connecting wires 5 and 6. At this provided with Isoliermänteln connection strands 5, 6, the Schudrahtenden 9 and 10 of a two spiral strands 11 and 12 existing Schudrahtplanetaryl 13 are connected electrically contacting and mechanically zugfest each with the help of terminal connectors 7 and 8.
  • the two spiral strands 11 and 12 extend along the two flat sides of a centrally arranged in the metal shell 2 support wall 14, which serves as a support for the two spiral strands 11, 12 of the heating wire coil 13.
  • the width d of the support wall 14 is matched to the inner diameter dl of the metal shell 2, that the support wall is easily inserted into the metal shell, but is so stably guided in the metal shell 2, that it occupies a central position therein.
  • the support wall 14 consists of a dimensionally stable insulating material, for. Micanite, so that it can be produced in long lengths of up to 200 cm or more and with small widths d of only a few mm.
  • the Schudrahtenden 9, 10 are connected to the terminal connectors 7 and 8 and through this with the connecting leads 5, 6. It is important that the connection connectors 7, 8 are able to absorb the tensile stress of the helical strands 11, 12.
  • This tensile connection can be made in different ways, for example by soldering, welding, clamping, crimping or bending.
  • the passage openings 16, 17 are each provided with edge-open slots 20, 21 or, as Fig. 10 shows, designed as such.
  • the slots 20, 21 each have a width b (FIG. Fig. 10 ), which is smaller than the diameter of the terminal connector.
  • Fig. 8 can be seen, it is also possible in principle, the passage openings 16, 17 form as axially extending bores.
  • passage openings 16 ', 17' which are formed stepwise with different diameters, thus, as in Fig. 9a is shown, as support surface, an annular shoulder 18 'is formed, on which a connection connector 7, 8 is seated and at the same time of the enclosing him Bore wall 19 'centered in its functional position is performed.
  • the helix holder 15 In order for the helical holder 15 to receive a reliably firm seat at the end of the support wall 14, the helix holder 15 is provided with a preferably continuous receiving slot 22 for an axially projecting centering tongue 23 of the support wall 14. Since the receiving slot 22 and the centering tongue 23 are narrower than the support wall 14, the coil holder 15 sits on the two lateral shoulders 24, 25 of the support wall 14.
  • bow-shaped spacers 45 of insulating material for example of ceramic bodies, provided which are distributed over the length of the support wall 14 at appropriate intervals from each other.
  • These spacers 45 each have a U-shaped recess 46, through which a spiral strand 11 or 12 is guided in order not to come into contact with the metal shell 2.
  • spacers are each provided with lateral clamping fingers 47 and 48 which engage positively in notches 49 of the support wall 14.
  • the end of the support wall 14 remote from the connection can either also be provided with a centering tongue 23 or only with a deflection edge 26 about which a connecting section 27 of the two spiral strands 11 and 12 is guided.
  • This deflecting edge in order to obtain a Abtand from the bottom 3, for example, from the edge of a bore 28 (FIG. Fig. 2 ) or formed by a boundary edge 29 of a U-shaped or rectangular cutout 30.
  • a coil holder 15 is arranged, which holds the tensile strength connected to the ends 31, 32 of the two spiral strands 11 and 12 connected terminal connector 33, 34.
  • the two helical strands 11 and 12 are connected to electrically connected in series, thermal safety switches 35, 36, which may be formed as a fuse, bimetallic switch or the like.
  • a spacer wall 37 aligned with the support wall 14 is arranged in this region.
  • This spacer wall 37 is supported on the one hand on the floor 3 and on the other hand with two shoulders 38, 39 on the coil holder 15, wherein a centering tongue 23 'projects into the slot 22 of the coil holder 15.
  • the lower end of the spacer wall 37 is provided with a recess 41.
  • 36 can be dispensed with the spacer wall.
  • the preassembled module consisting of the support wall 14, the coil holders 15, the attached coil strands 11, 12, the terminal connectors 7.8 and 33, 34, the connecting wires 5, 6 and the spacer wall 37 with the safety switches 35, 36 is in pushed the unilaterally open metal shell 2 until the spacer wall 37 rests on the bottom 3.
  • the coil holder 15 are provided on the circumference with a plurality of filling openings 42, which expediently consist of open-edged recesses , as the Fig. 5 . 8 and 10 reveal.
  • the cross-sectional shape of these recesses can be selected largely arbitrary, provided that the stability and tensile strength of the coil holder 15 to be maintained is taken into account.
  • the metal shell 2 extends beyond the upper, connection-side coil holder 15 addition.
  • the thus formed cavity 43 is also filled with the used Isolierstoffgranulat and closed by means of the shutter disk 4.
  • FIGS. 13 and 14 a heating cartridge 1/1 is shown in different views, in which two spiral strands 11/1, 11/2 or 12/1 and 12/2 are arranged on both flat sides of a support wall 14/1, each of which has a continuous heating wire coil 13 / 1 bw. 13/2 form.
  • the support wall 14/1 is provided both at its upper, connection-side end and at the other end in each case with an attached coil holder 15/1, to which the helical strands 11/1 to 12/2 are fastened with exploded turns under tension.
  • the coil holders 15/1 used here are each provided with four Axially provided in pairs symmetrically to the support wall 14/1 axial bores 16 ', whose end-side edge surfaces the support surfaces 18' for the connection connector 7, 7 ', 8 and 8' form.
  • the individual coil strands 11/1 to 12/2 tensile strength with the connecting leads 5, 5 'and 6, 6' are connected.
  • each of a pair of heating wire coil 13/1 and 13/2 forming coil strands 11/1 and 12/1 or 11/2 and 12/2 are each connected by Thompsondrahtabitese 26, 26 'to each other, each between two holes 16 'are guided around the lower end face of the lower coil holder 15.
  • the coil holder 15/1 In contrast to the spiral holder 15 of Fig. 5 is the coil holder 15/1 with two diametrically aligned opposite receiving slots 22 'provided to accommodate the two separated by a frontal recess 51 guide tongues 23' of the support wall and the coil holder 15/1 when placing a stable fit.
  • the previously on the terminal connectors 7, 7 ', 8, 8' tensile strength fixed ends 9 ', 10' of the individual coil strands 11/1 to 12/2 can be easily inserted into the bores 16 ', these holes 16' are each with provided at the edge open slots 20 '.
  • spacers 45/1 with two cutouts 46/1 can be provided with entprechend long constructions, which keep the along the support wall 14/1 tensioned helical strands 11/1 to 12/2 insulating from the metal sheath away.
  • this module can be inserted just as easily and time-saving in the metal shell 2 provided for this purpose. So that then the granulated insulating material 50, in which the Schudrahtheirln 13/1 and 13/2 are embedded, can be filled easily and as quickly as possible in the metal shell 2, and the coil holder 15/1 are provided with edge-open recesses 42 '.
  • Fig. 15a is a coil holder 15/2 shown, which has a smaller outer diameter with the same large inner diameter of the metal shell 2 as the coil holder 15/1.
  • a Annular gap 42/1 formed, which can also be used instead of the recesses 42 'for filling the Isolierstoffgranulats 50.
  • connection connector 8 of FIGS. 20 and 20a consists of a preferably slotted sleeve, which encloses the one of the insulating jacket freed end of the pigtail 6 together with the Schwarzdrahtende 10 'with generated by pressing radial stress.
  • connection connector 8/1 consists of the thicker end portion 8/1 of a cylindrical connecting bolt 6/1, which is provided for receiving a Schudrahtendes 10 'with a blind bore 52 in which the Schudrahtende 10' can be fastened by compression or otherwise tensile strength ,
  • a single-layer or multi-layer insulation within which is / are the Schudrahtheirl (s) (13, 13/1) in the granulated insulating material, for example made of polyimide.

Landscapes

  • Resistance Heating (AREA)
  • General Induction Heating (AREA)
EP09013783.7A 2008-12-11 2009-11-03 Cartouche de chauffage Active EP2203027B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202008016439U DE202008016439U1 (de) 2008-12-11 2008-12-11 Heizpatrone

Publications (2)

Publication Number Publication Date
EP2203027A1 true EP2203027A1 (fr) 2010-06-30
EP2203027B1 EP2203027B1 (fr) 2016-04-13

Family

ID=40435985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09013783.7A Active EP2203027B1 (fr) 2008-12-11 2009-11-03 Cartouche de chauffage

Country Status (4)

Country Link
US (1) US8426779B2 (fr)
EP (1) EP2203027B1 (fr)
CA (1) CA2687774C (fr)
DE (1) DE202008016439U1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2440003A1 (fr) * 2010-10-06 2012-04-11 Nexthermal Corporation Cartouche chauffante avec boîtier en alliage
ITAN20100217A1 (it) * 2010-12-29 2012-06-30 Thermowatt Spa Elemento riscaldante elettrico a doppio isolamento.
DE102012109312A1 (de) 2012-10-01 2014-04-03 Endress + Hauser Flowtec Ag Temperatursensor und Durchflussmessgerät
EP2953423A1 (fr) * 2014-06-02 2015-12-09 WOO Jin Ind. Co., Ltd Élément chauffant pour thermostat électronique et son procédé de fabrication
US20200359466A1 (en) * 2019-05-08 2020-11-12 Türk & Hillinger GmbH Method for manufacturing an electrical heating device

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009040809A1 (de) * 2009-09-10 2011-03-24 Türk & Hillinger GmbH Elektrische Heizvorrichtung und Verfahren zur Herstellung einer elektrischen Heizvorrichtung
US8395094B2 (en) * 2010-02-03 2013-03-12 Eastman Kodak Company Structure for conducting heat from cartridge heaters
US20120217233A1 (en) * 2011-02-28 2012-08-30 Tom Richards, Inc. Ptc controlled environment heater
DE102011057017A1 (de) 2011-12-23 2013-06-27 Dbk David + Baader Gmbh Heizbaugruppe und Verfahren zum Herstellen einer Heizbaugruppe
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
WO2014098943A1 (fr) * 2012-12-21 2014-06-26 Eemax, Inc. Chauffe-eau à fil nu de nouvelle génération
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
CN105830531B (zh) * 2013-12-02 2019-12-20 约翰·库斯瓦杰 通过交流电供电的加热元件和热量产生器
US10765597B2 (en) * 2014-08-23 2020-09-08 High Tech Health International, Inc. Sauna heating apparatus and methods
CN107250686B (zh) 2014-12-17 2020-03-17 伊麦克斯公司 无水箱式电热水器
DE102017112328B4 (de) 2017-06-06 2022-08-11 Türk & Hillinger GmbH Elektrische Heizvorrichtung
DE202017103387U1 (de) * 2017-06-06 2017-07-13 Türk & Hillinger GmbH Innenaufbau für eine elektrische Heizvorrichtungung mit zumindest abschnittsweise frei gewendeltem Heizelement und elektrische Heizvorrichtung
US10675664B2 (en) 2018-01-19 2020-06-09 Trs Group, Inc. PFAS remediation method and system
CN110290953A (zh) * 2018-01-19 2019-09-27 缇尔思集团股份有限公司 柔性螺旋形加热器
US10201042B1 (en) * 2018-01-19 2019-02-05 Trs Group, Inc. Flexible helical heater
DE102018109306A1 (de) * 2018-04-19 2019-10-24 Türk & Hillinger GmbH Verfahren zur Herstellung einer 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
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

Citations (8)

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Publication number Priority date Publication date Assignee Title
US3512114A (en) * 1968-01-29 1970-05-12 Wiegand Co Edwin L Electric resistance heater
DE7031974U (de) 1970-08-27 1973-01-11 Heinz Stegmeier Verdichtete heizpatrone.
DE8800261U1 (fr) * 1988-01-12 1988-02-25 Elpag Ag Chur, Chur, Ch
DE9410403U1 (de) * 1994-06-28 1994-08-11 Conti Elektra Heizelemente Elektrischer Rohrheizkörper
FR2734686A1 (fr) * 1995-05-22 1996-11-29 Etirex Chromalox Procede de fabrication d'une cartouche chauffante a instrumentation incorporee
EP0756439A1 (fr) * 1995-07-26 1997-01-29 Seb S.A. Elément chauffant et procédé de bouchage dudit élément chauffant
DE19716010C1 (de) 1997-04-17 1998-10-29 Tuerk & Hillinger Gmbh Elektrischer Mantelrohrheizkörper mit integriertem Temperaturfühler
DE202005011686U1 (de) 2005-07-26 2005-10-06 Türk & Hillinger GmbH Verdichtete Heizpatrone

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GB937347A (en) 1961-06-28 1963-09-18 British Insulated Callenders Improvements in the manufacture of electric cables and in apparatus therefor
US3977073A (en) * 1975-08-11 1976-08-31 Emerson Electric Co. Method of making electric immersion heaters
DE8406445U1 (de) 1984-03-01 1984-05-30 Elpag Ag Chur, Chur Rohrheizkoerper
DE20010963U1 (de) 2000-06-20 2000-09-21 Tuerk & Hillinger Gmbh Elektrische Heizpatrone mit einem temperaturabhängigen Leistungsbegrenzer
US6909843B1 (en) * 2004-02-24 2005-06-21 Eemax Incorporated Electric tankless water heater
DE102006005322B4 (de) 2006-02-06 2010-04-29 Bleckmann Gmbh & Co. Kg Rohrheizkörper mit Isoliermasse im Anschlussendenbereich

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512114A (en) * 1968-01-29 1970-05-12 Wiegand Co Edwin L Electric resistance heater
DE7031974U (de) 1970-08-27 1973-01-11 Heinz Stegmeier Verdichtete heizpatrone.
DE8800261U1 (fr) * 1988-01-12 1988-02-25 Elpag Ag Chur, Chur, Ch
DE9410403U1 (de) * 1994-06-28 1994-08-11 Conti Elektra Heizelemente Elektrischer Rohrheizkörper
FR2734686A1 (fr) * 1995-05-22 1996-11-29 Etirex Chromalox Procede de fabrication d'une cartouche chauffante a instrumentation incorporee
EP0756439A1 (fr) * 1995-07-26 1997-01-29 Seb S.A. Elément chauffant et procédé de bouchage dudit élément chauffant
DE19716010C1 (de) 1997-04-17 1998-10-29 Tuerk & Hillinger Gmbh Elektrischer Mantelrohrheizkörper mit integriertem Temperaturfühler
DE202005011686U1 (de) 2005-07-26 2005-10-06 Türk & Hillinger GmbH Verdichtete Heizpatrone

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2440003A1 (fr) * 2010-10-06 2012-04-11 Nexthermal Corporation Cartouche chauffante avec boîtier en alliage
ITAN20100217A1 (it) * 2010-12-29 2012-06-30 Thermowatt Spa Elemento riscaldante elettrico a doppio isolamento.
DE102012109312A1 (de) 2012-10-01 2014-04-03 Endress + Hauser Flowtec Ag Temperatursensor und Durchflussmessgerät
EP2953423A1 (fr) * 2014-06-02 2015-12-09 WOO Jin Ind. Co., Ltd Élément chauffant pour thermostat électronique et son procédé de fabrication
US20200359466A1 (en) * 2019-05-08 2020-11-12 Türk & Hillinger GmbH Method for manufacturing an electrical heating device

Also Published As

Publication number Publication date
CA2687774A1 (fr) 2010-06-11
US20100147826A1 (en) 2010-06-17
US8426779B2 (en) 2013-04-23
CA2687774C (fr) 2015-11-24
DE202008016439U1 (de) 2009-03-12
EP2203027B1 (fr) 2016-04-13

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