EP1187512B1 - Corps de chauffe à rayonnement destiné à être placé sous une plaque de cuisson, en particulier une plaque vitro-céramique - Google Patents

Corps de chauffe à rayonnement destiné à être placé sous une plaque de cuisson, en particulier une plaque vitro-céramique Download PDF

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Publication number
EP1187512B1
EP1187512B1 EP01121344A EP01121344A EP1187512B1 EP 1187512 B1 EP1187512 B1 EP 1187512B1 EP 01121344 A EP01121344 A EP 01121344A EP 01121344 A EP01121344 A EP 01121344A EP 1187512 B1 EP1187512 B1 EP 1187512B1
Authority
EP
European Patent Office
Prior art keywords
holder
carrier shell
abutment
radiant heater
insulator
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
EP01121344A
Other languages
German (de)
English (en)
Other versions
EP1187512A2 (fr
EP1187512A3 (fr
Inventor
Heinz Petri
Eugen Wilde
Ulrich Jenz
Bernhard Belz
Hans Mohr
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau 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
Priority claimed from DE20015496U external-priority patent/DE20015496U1/de
Application filed by EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Publication of EP1187512A2 publication Critical patent/EP1187512A2/fr
Publication of EP1187512A3 publication Critical patent/EP1187512A3/fr
Application granted granted Critical
Publication of EP1187512B1 publication Critical patent/EP1187512B1/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
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
    • 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
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • 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
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • H05B3/748—Resistive heating elements, i.e. heating elements exposed to the air, e.g. coil wire heater

Definitions

  • the invention relates to a radiant heater according to the preamble of Claim 1.
  • this is a radiant heater for arrangement under a hob, such as a tempered glass or laskeramikplatte, with a Carrier shell, which carries an insulating body, on and / or in the one Heating zone forming radiator is arranged, and with a least over a part of the heating zone protruding elongated temperature sensor of a Circuit breaker, which runs between the heating zone and the hob, wherein the sensor of reaching through the insulator and the carrier shell Fasteners is held.
  • a hob such as a tempered glass or laskeramikplatte
  • Carrier shell which carries an insulating body, on and / or in the one Heating zone forming radiator is arranged, and with a least over a part of the heating zone protruding elongated temperature sensor of a Circuit breaker, which runs between the heating zone and the hob, wherein the sensor of reaching through the insulator and the carrier shell Fasten
  • Such radiant heaters usually have a temperature sensor, the outer tube of an insulating material, in particular Qarz or Quartz glass exists. It is either itself in the external expansion system of the feeling of which there is a pipe with a low coefficient of expansion forms, in which a tensile bar with higher expansion coefficients, or it is pushed onto an expansion tube.
  • the pipe is necessary to the necessary air or creepage distances in the space between Heating resistors and the plate through which the temperature sensor passes, sure.
  • glass ceramic plates be electrically conductive at working temperature, so that here the necessary isolation distances must be maintained.
  • DE 91 13 992 describes a sensor attachment, in the retaining clips embrace the sensor and through insulating body and carrier shell They are behind the passage through the carrier shell a securing member having a withdrawal from the Carrier cup prevented.
  • a probe attachment to do so, hitting the probe against the glass-ceramic plate prevent them from breaking. This can be done during tests and also occur during transport or installation of a hob.
  • the invention is based on the object, a radiant heater the o.g. Art to create, on the one hand, a secure probe attachment is possible and further the mounting of both sensor mounting as well as the radiant heater and further processing the finished radiant heater can be improved.
  • the essence of the invention is that the fastening means at least partially formed from the material of the carrier shell.
  • fastening means i.d.R. Breakthroughs or Holes punched out, for example, on the carrier shell into which the fastening means then be introduced and committed.
  • waste accumulates, which gets stuck on the punching tool and this can pollute.
  • An exact and clean punching is thereby not possible anymore.
  • the punching tool must be cleaned or if necessary be exchanged. This costs a relatively long time.
  • the punched out openings or holes with protruding Lugs or nozzles provided, which allows a precise fixing of the fasteners prevent.
  • the material for the carrier shell metal sheet is preferably used.
  • Sheet metal is heat resistant and has a relatively low weight. Nevertheless, its carrying capacity is so great that it is able to to carry the insulating body. But it could also be other, heat-resistant Materials such as ceramics or the like can be used.
  • the fastening means consist of a holder for holding the Feeler and an abutment for fixing the holder.
  • the counter bearing advantageously has a compared to that through the insulator reaching portion of the holder different course.
  • the anvil can be oblique, or substantially run transversely.
  • a retaining leg of the holder be bent at right angles behind the insulator to pull out to prevent.
  • the anvil can preferably with its whole, or a large area against the underside of the insulator put on hold the holder. So the danger of tearing out the attachment reduced from the insulating body, or eliminated.
  • the anvil is shaped out of the carrier shell.
  • the counter bearing is formed by several out of the carrier shell Lobe formed on which the holder can be fixed.
  • the counter bearing is in one piece from the carrier shell formed out, for example, by a punching process in which two mirror-symmetrical incisions in the carrier shell be punched and the material between the two incisions can then be bent up as an abutment.
  • a latching connection Between holder and thrust bearing is preferably a latching connection. It can be an insertion bevel for insertion of the holder and a locking edge for engaging a barb-like end of the Holder have.
  • the holder For example, two holding legs, one piece bent up elastically become. If he reaches the locking edge, his barb-like end can engage under the latching edge and snap into place.
  • the anvil can have all conceivable cross-sectional shapes, such as a inverted V-shaped cross section or a trapezoidal cross section.
  • the anvil has a substantially hat-shaped Cross-section, wherein a central portion of the anvil arcuate points in the direction of the insulating body and two flap-shaped Legs of the anvil bent away from the insulating body are.
  • the arcuate central portion may be at the bottom support the insulating without damaging it, such as for example, tapered middle sections could.
  • the center section preferably wider than the two legs educated.
  • the anvil in a direction towards Insulator-facing bulge of the carrier shell formed is, wherein the bulge of the carrier shell in a complementary thereto formed bulge on the insulator protrudes.
  • the two complementary to each other Bulges on the carrier shell or on the insulating body allow them to be stacked together.
  • the holder can be an elongated section, or long Holding leg, which through the insulator up to reaches the counter bearing.
  • the holder, or the holding leg Preferably, the sensor, at least partially um- or overlap and position it, for example by Press against the insulating body.
  • the holder may be a clamp with two Legs and a U- or O-shaped top for mounting be the feeler.
  • the upper part can reach over the sensor or overlap this and hold him positioned, in particular press against the insulating body.
  • the holder may be integral with the Carrier shell be connected, in which case the carrier shell forms the counter bearing.
  • the carrier shell lies the carrier shell the bottom of the insulating body.
  • the holder can of the carrier shell, starting through the insulator up to reach the feeler, for example, through a recess or recording in the area of the upper portion of the holder can protrude.
  • One way to connect the holder with a carrier shell Metal is a welding or Annieten appropriate components.
  • the insulator can over the holder or at least one leg thereof be placed. Especially when installing the radiant heater the holder can pierce the insulating body automatically, at least partially protrude beyond and pick up the feeler. Either the holder can by attaching the insulating this penetrate or through a prefabricated slot in the insulator protrude.
  • Fig. 1 shows in plan view a radiant heater 11, wherein in a carrier shell 12 an insulating edge 13 and a flat insulator 14 are inserted.
  • the bottom of the carrier shell 12 covering insulating 14 carries a heater 16, which consists of an elongated, meandering shape arranged heating tape o. The like.
  • a heater 16 which consists of an elongated, meandering shape arranged heating tape o. The like.
  • the temperature monitor 18 a elongated, reaching into the radiant heater 11 sensor 19. This is known from two different coefficients of thermal expansion having Materials, in particular a rod-shaped and the others surrounding this tubular structure.
  • the sensor 19 covers part of the heating zone formed by heating 16, the substantially the surface or surface of the insulator 14 occupies.
  • the sensor 19 extends a piece over the Center of the radiant heater 11, where he with a Clamp 28 on the insulating body 14 and a survey 23rd the same is attached. An exact definition of the position The sensor is also advantageous for its function considered.
  • Fig. 2 shows in section the arrangement of the sensor 19 the insulating body 14 together with its attachment.
  • a survey 23 in the central region of the insulator 14, on which the sensor 19 rests.
  • a room 24 Under the survey 23 is a room 24, which is roughly similar to the Survey 23, frustoconical design.
  • the carrier shell 12 is arranged, the carries the insulating body 14.
  • a Counter bearing 38 integrally formed out of the carrier shell 12.
  • For the production of the abutment 38 are two im essential U-shaped cuts 39 in the carrier shell 12th punched (Fig. 3).
  • the hat-shaped center part 41 formed.
  • the descending punch of a punching tool (not shown) separates the width of the middle part out and put, as with a chisel, the further Retracting the middle part 41.
  • flap-shaped legs 42 in the opposite direction cut out and set up.
  • the cuts 39 are mirror-symmetrical to a central axis 40 through the anvil 38.
  • Four narrow connecting bridges are not punched out 51, over which the counter bearing 38, in particular its Middle part 41, is connected to the carrier shell 12.
  • At the Bending process is the material of the carrier shell 12, in particular the Sheet metal, stretched, so that the two cuts 39 at the same distance stay apart.
  • the ends of the two legs 42 form Stop edges 43, in which the barb-shaped ends 50 of the holder 45th is latched.
  • the middle part 41 is wider than the two legs 42.
  • Er mainly serves as an abutment against the underside of the insulating body 14.
  • the hat-shaped cross-section of the abutment 38 creates an insertion bevel, which serves to insert the two legs of the holder.
  • the holder 45 To attach the holder 45, this is first by means of two holes, which are formed in the insulating body 14, through the insulating body 14 pushed until its at the end inwardly curved barb-like Ends 50 on the two chamfers of the thrust bearing to meet.
  • the holder 45 is widening in the insertion direction Insertion slope widened until he the two locking edges 43 at has reached the ends of the two legs of the anvil.
  • the two barb-like ends 50 of the holder 45 engage below the locking edges 43 and snap into this.
  • FIG. 6 again shows a variant of the sensor attachment, in which from the carrier shell 12, a strip-shaped sheet metal section at the two Longitudinal and one end side separated and essentially is bent vertically upwards.
  • This upright from the carrier cup 12 projecting leg-shaped fastening strip 34 is sufficient through the insulating body 14 and the survey 23 and is about this above.
  • a recess 35 of the sensor 19 is inserted and is against pressed the top of the survey 23 or on a movement prevented upwards.
  • the recess 35 can on the one hand, how shown, run approximately parallel to the plane of the heater 16 or preferably slightly rising from the edge, so that the sensor 19 is not by itself can slip out of it.
  • the carrier shell 12 accordingly, consists of a relatively thin sheet and by the Having cut out of these substantially relatively sharp edges, he can when placing the insulator 14 on the carrier shell 12 penetrate this without much effort. This is supported through a training of the end as a tip.
  • FIG. 7 A perspective view of a radiant heater 11 similar to FIG. 6 is shown in FIG. 7.
  • the insulating body 14 is shown only in the rear part of the carrier shell 12.
  • the fastening strip 34 is punched or cut out of the bottom of the carrier shell 12 on three sides and bent upwards.
  • the recess 35 located at its end, this time as described above obliquely, the sensor 19 is inserted and thus secured by the upper end 36 both on slipping out as well as against an upward movement.
  • the recess 35 may be formed such that it lies in the edge region at least partially within the insulating body 14.
  • the senor 19 can be positioned adjacent not only directly against the insulator 14 and its collection 23, but also in any height between the top of the insulator 14 and bottom of the glass ceramic plate 25. This is also by a clamp with a fixed, the sensor encompassing eyelet or the like. possible.
  • the amount of work for a fastening strip is considered relative to look at low and allows without additional components a secure probe attachment.
  • a big extra Advantage can be achieved in that the sensor attachment or the fastening means a holddown of the Insulating body 14 in the radiant heater 11, in particular against the carrier shell 12, form. Should the piercing the fastening strip 34 through the insulating body 14 may turn out to be posing problems as a problem it is possible, in the insulating body 14 already has a passage slot prefabricate.
  • the advantage of an insulating body as Counter bearing 26 is inter alia that no heat conduction via the bracket 28 in the space 24 or to the carrier shell 12 is brought about.
  • the fastening strip 34 with transverse running incisions o. The like.
  • an insulating tube for example made of ceramic, are guided over the sensor.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Resistance Heating (AREA)
  • Electric Stoves And Ranges (AREA)
  • Cookers (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Claims (10)

  1. Corps de chauffe à rayonnement (11) destiné à être disposé au-dessous d'une plaque froide cuisson et notamment au-dessous d'une plaque en vitrocéramique (25), avec une cuvette de support (12), qui porte un corps isolant (14), sur laquelle et/ou dans laquelle est disposé un corps de chauffe (16) constituant une zone de chauffage, et avec une sonde de température (19) d'un disjoncteur de protection (18) allongée et s'étendant au-dessus au moins d'une partie de la zone de chauffage, qui s'étend entre la zone de chauffage et la plaque froide, la sonde étant soutenue par des moyens de fixation, qui s'étendent à travers le corps isolant (14) et la cuvette de support (12), les moyens de fixation étant constitués au moins en partie du matériau de la cuvette de support (12), caractérisé en ce que les moyens de fixation sont composés d'un reteneur (45) pour le support de la sonde (19) et d'une butée (12, 32, 38) pour le blocage du reteneur et en ce que la butée est réalisée à partir de la cuvette de support, en étant formée de plusieurs languettes (42) formées à partir de la cuvette de support, auxquelles le reteneur est fixé.
  2. Corps de chauffe à rayonnement d'après la revendication 1, caractérisé en ce que le reteneur (45) est immobilisé auprès de la butée (38) par un raccord à déclic automatique.
  3. Corps de chauffe à rayonnement d'après la revendication 1 ou 2, caractérisé en ce que la butée (38) est réalisée à partir de la cuvette de support (12) par des entailles (39) présentant essentiellement une forme de U.
  4. Corps de chauffe à rayonnement d'après une des revendications précédentes, caractérisé en ce que la butée (38) présente une déclivité l'insertion pour l'insertion du reteneur (45) et une arête d'encliquetage (43) pour l'enclenchement d'une extrémité du reteneur (45) présentant la forme d'un crochet.
  5. Corps de chauffe à rayonnement d'après une des revendications précédentes, caractérisé en ce que la butée (38) présente une section transversale essentiellement en forme de chapeau, une section médiane (41) de la butée (38) étant orientée en arc en direction du corps isolant (14), deux branches (42) de la butée sous forme de languettes étant courbées en direction opposée au corps isolant (14).
  6. Corps de chauffe à rayonnement d'après une des revendications précédentes, caractérisé en ce que la butée et notamment la section médiane (41) de celle-ci est jointe à la cuvette de support par préférablement quatre traverses de raccordement (51) constituant un résidu du processus de réalisation des entailles (39).
  7. Corps de chauffe à rayonnement d'après une des revendications précédentes, caractérisé en ce que la butée (38) est réalisée dans une courbure (37) de la cuvette de support (12), orientée vers le corps isolant (14), la courbure de la cuvette de support saillant dans une courbure complémentaire dans le corps isolant.
  8. Corps de chauffe à rayonnement d'après la revendication 1 ou 2, caractérisé en ce que le reteneur présente au moins une longue branche de soutien, qui s'étend à travers le corps isolant (14) jusqu'à la butée (32, 38) en s'engageant au moins en partie de préférence au-dessus de la sonde (19).
  9. Corps de chauffe à rayonnement d'après la revendication 8, caractérisé en ce que le reteneur (34) est raccordé d'une seule pièce avec la cuvette de support (12), et notamment aussi en un seul matériau, et qu'il saille à travers le corps isolant (14) jusqu'à la sonde (19) de préférence au moyen d'un creux (35) dans le domaine de la section supérieure (36) du reteneur (34).
  10. Corps de chauffe à rayonnement d'après la revendication 9, caractérisé en ce que le reteneur (34), notamment la branche de soutien au moins unique présente au moins une section partiellement séparée de la cuvette de support (12) par des entailles et pliée.
EP01121344A 2000-09-07 2001-09-06 Corps de chauffe à rayonnement destiné à être placé sous une plaque de cuisson, en particulier une plaque vitro-céramique Expired - Lifetime EP1187512B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20015496U 2000-09-07
DE20015496U DE20015496U1 (de) 1999-09-09 2000-09-07 Strahlungsheizkörper

Publications (3)

Publication Number Publication Date
EP1187512A2 EP1187512A2 (fr) 2002-03-13
EP1187512A3 EP1187512A3 (fr) 2002-12-18
EP1187512B1 true EP1187512B1 (fr) 2004-11-10

Family

ID=7946195

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01121344A Expired - Lifetime EP1187512B1 (fr) 2000-09-07 2001-09-06 Corps de chauffe à rayonnement destiné à être placé sous une plaque de cuisson, en particulier une plaque vitro-céramique

Country Status (5)

Country Link
US (1) US6483084B2 (fr)
EP (1) EP1187512B1 (fr)
AT (1) ATE282287T1 (fr)
ES (1) ES2231366T3 (fr)
SI (1) SI1187512T1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2372190B (en) * 2000-12-16 2005-02-09 Ceramaspeed Ltd Cooking appliance with radiant electric heater
GB0301164D0 (en) * 2003-01-18 2003-02-19 Ceramaspeed Ltd Temperature-responsive device
DE102005005520A1 (de) * 2005-02-01 2006-08-10 E.G.O. Elektro-Gerätebau GmbH Heizeinrichtung mit Temperatursensor und Kochfeld mit Heizeinrichtungen
DE102005030555A1 (de) * 2005-06-22 2007-01-04 E.G.O. Elektro-Gerätebau GmbH Sensoreinrichtung für eine Heizeinrichtung
DE102005031069A1 (de) * 2005-06-24 2007-01-11 E.G.O. Elektro-Gerätebau GmbH Elektromechanische Temperaturerfassung für ein Kochgerät und Verfahren zur Herstellung einer elektromechanischen Temperaturerfassung für ein Kochgerät
GB0608522D0 (en) * 2006-04-29 2006-06-07 Ceramaspeed Ltd Arrangement of radiant electric heaters
JP5647502B2 (ja) * 2010-02-23 2014-12-24 株式会社日立国際電気 熱処理装置、半導体装置の製造方法及び基板処理方法。
USD671364S1 (en) * 2011-01-31 2012-11-27 Techtronic Power Tools Technology Limited Portion of a grill
US20130192584A1 (en) * 2012-01-26 2013-08-01 General Electric Company Heating element mounting features for a cook top appliance
USD809049S1 (en) * 2015-12-11 2018-01-30 Chuango Security Technology Corporation Panoramic camera
DE102016224069A1 (de) * 2016-12-02 2018-06-07 E.G.O. Elektro-Gerätebau GmbH Kochgerät mit einer Kochplatte und einer Heizeinrichtung darunter
US11448402B2 (en) 2016-12-07 2022-09-20 Eika S. Coop Radiant electric heater
USD921431S1 (en) * 2019-04-01 2021-06-08 Veeco Instruments, Inc. Multi-filament heater assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536981A1 (de) * 1985-10-17 1987-04-23 Ako Werke Gmbh & Co Ueberhitzungsschutzschalter einer strahlungsbeheizung
EP0234373A3 (fr) * 1986-02-26 1988-03-02 E.G.O. Elektro-Geräte Blanc u. Fischer Unité de cuisson avec élément chauffant radiant
DE8706277U1 (de) * 1987-05-01 1987-06-25 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Elektrischer Strahlungsheizkörper zur Beheizung einer Platte, insbesondere einer Glaskeramikplatte
DE3820691A1 (de) * 1988-06-18 1989-12-21 Ako Werke Gmbh & Co Strahlungsheizkoerper
DE9113992U1 (de) * 1991-11-12 1992-01-02 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Strahlungs-Heizeinheit
GB2263770B (en) * 1992-01-23 1994-11-02 Ceramaspeed Ltd Device for controlling or limiting temperature in an electric cooking appliance

Also Published As

Publication number Publication date
EP1187512A2 (fr) 2002-03-13
SI1187512T1 (en) 2005-04-30
US6483084B2 (en) 2002-11-19
EP1187512A3 (fr) 2002-12-18
ES2231366T3 (es) 2005-05-16
US20020121510A1 (en) 2002-09-05
ATE282287T1 (de) 2004-11-15

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