EP2763497B1 - Élément chauffant pour dispositif de rayonnement infrarouge - Google Patents

Élément chauffant pour dispositif de rayonnement infrarouge Download PDF

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Publication number
EP2763497B1
EP2763497B1 EP13153850.6A EP13153850A EP2763497B1 EP 2763497 B1 EP2763497 B1 EP 2763497B1 EP 13153850 A EP13153850 A EP 13153850A EP 2763497 B1 EP2763497 B1 EP 2763497B1
Authority
EP
European Patent Office
Prior art keywords
heating element
strips
infrared radiator
crosspieces
radiator according
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
EP13153850.6A
Other languages
German (de)
English (en)
Other versions
EP2763497A1 (fr
Inventor
Hans Ulrich Jordi
Rolf Lüscher
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.)
Krelus AG
Original Assignee
Krelus 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 Krelus AG filed Critical Krelus AG
Priority to EP13153850.6A priority Critical patent/EP2763497B1/fr
Priority to PL13153850T priority patent/PL2763497T3/pl
Priority to ES13153850.6T priority patent/ES2562906T3/es
Priority to SI201330145T priority patent/SI2763497T1/sl
Publication of EP2763497A1 publication Critical patent/EP2763497A1/fr
Application granted granted Critical
Publication of EP2763497B1 publication Critical patent/EP2763497B1/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
    • H05B3/10—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
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • 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
    • H05B3/54—Heating elements having the shape of rods or tubes 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
    • 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
    • H05B2203/011—Heaters using laterally extending conductive material as 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 present invention relates to a heating element for infrared radiators, consisting of a plurality of substantially parallel juxtaposed film strips, which are formed of a resistance material, each strip having an end portion connected to the one end portion of the adjacent strip via connecting pieces, so that the Strip form a continuous ladder.
  • Infrared radiators with such heating elements are known in many ways. These serve, in particular, to bring a wide variety of products and materials to the desired processing temperatures in industrial heating and heating processes.
  • Known infrared radiators comprise, for example, an insulating body, on which film-like strips are placed and fastened individually and essentially parallel next to one another.
  • the attachment is preferably carried out with clamps which are pressed over the strips in the insulator.
  • the strips may in this case have a zigzag-shaped fold, which is aligned transversely to the longitudinal direction of the strips.
  • infrared radiators In order to heat or dry large areas, several such infrared radiator are arranged side by side and / or one behind the other. In known manner, these individual infrared radiators can also be individually supplied with power and regulated, thereby larger areas in the desired mass can be heated or dried individually.
  • the object of the present invention is now to design a radiator for an infrared radiator such that the handling in the assembly of infrared radiators is simplified and thereby leads to cheaper production costs.
  • the solution of this object is achieved in that the heating element with the strips and the connecting pieces and arranged between the strip connecting webs is cut in one piece from a film-like body, which connecting webs connect the strips transversely to each other.
  • the heating element which is formed from the continuous strip, a forms stable structure, which has the stability of a film and thus allows optimum handling for placement and attachment to the insulating body.
  • the width of these connecting webs corresponds at most to about the eighth part of the width of the strips.
  • the strips are folded in a zigzag shape transversely to the longitudinal direction, which results in a better radiation of the heat.
  • a further advantageous embodiment of the invention is that holding webs are provided on the connecting pieces on both sides of the heating element.
  • the heating element so equipped can be taken over the holding webs in an optimal manner, it can then be placed on the insulating body, on the holding webs, the heating element, due to the zigzag folding to the correct length are pulled, attaching the retaining clips is then in an optimal manner possible.
  • the holding webs are connected via further connecting webs with the connecting pieces. After insertion of the heating element in the body of the infrared radiator and the corresponding attachment by the retaining clips these holding webs are then wegschneidbar in a simple manner.
  • a heating element 1 is shown for an infrared radiator, as is known in the prior art.
  • This heating element 1 is formed from film strips 2, as previously described, which are individually stapled to the insulator of the infrared radiator.
  • the film strips 2 are usually equipped with a zigzag-shaped fold, they can thus be stretched slightly in a suitable manner during assembly, so that all film strips 2 have the same length.
  • the film strips 2 are connected to an end portion 3 with the one end portion 4 of the adjacent strip, this connection is made via connecting pieces 5, which are connected after assembly of the film strips with the end portions 3 and 4, for example by clamping. Of course, it is also possible to make the connection different, for example by riveting.
  • the beginning and the end of the heating element 1 thus formed are each equipped with a connection element 6.
  • Fig. 2 shows the top view of a manufactured heating element 7, which is cut out of a sheet-like body.
  • This sheet-like base body consists of a thin (0.03 mm to 0.08 mm thick) resistance material, which is made of a temperature-resistant alloy.
  • the heating element 7 consists of film strips 8, which are arranged substantially parallel to each other. These film strips 8 are each connected to one end portion 16 with the opposite other end portion 17 of the adjacent strip 8, the connector 9 is also cut out of the film-like body and forms with the film strip 8 a single piece, which forms the desired conductor.
  • the individual film strips 8 are connected to one another via connecting webs 10 over the entire width of the heating element 7. These connecting webs 10 are also cut in one piece with the strips 8 of the film-like body.
  • connecting webs 10 must be very narrow in relation to the final film strip. In the present embodiment, in which the strips have a width of about 5 mm, for example, these connecting webs have a width of about 0.2 mm to 1.0 mm.
  • heating element holding webs 11 On both sides of the heating element holding webs 11 are provided. These retaining webs 11 are also cut in one piece with the foil strips from the film-like base body, they are connected via further connecting webs 12 which correspond to the connecting webs 10, with the connecting pieces 9. These holding webs 11 extend substantially over the entire width of the heating element 7.
  • the cutting process can be carried out in a suitable manner, one possibility is, for example, the laser cutting, as a further possibility is the etching process, would also be possible punching, the corresponding tools an extremely high Accuracy should have, of course, but other suitable methods are possible.
  • the cut out of the film-like body part in the film strip 8 is folded zigzag, which, for example, by two equipped with corresponding zigzag surfaces rollers that are employed against each other and between which the film strips 8 are rolled, can be reached.
  • This element prepared in this way can then be placed on an insulating body, wherein the element can be held in an optimum manner via the retaining webs 11. Since the film strips 8 are folded in a zigzag shape, the two holding webs 11 can be slightly pulled apart and adapted to the length of the insulating body. Thereafter, the element can be fixed on the insulating body, which is done by brackets, which are pressed into the insulating body and which hold the film strips 8 on the insulating body.
  • the further connecting webs 12 can be cut through, the retaining webs 11 and the further connecting webs 12 are thus separated from the heating element 7.
  • Fig. 4 shows the corresponding heating element 7, from which the holding webs 11 are cut off. This heating element 7 is in this way on the insulating body of the resulting infrared radiator.
  • This infrared radiator 13 consists of a housing 14, in which the insulating body 15 is inserted and fixed. By means of brackets 18, the heating element 7 is attached to this insulating body 15.
  • the connecting webs 10, as in Fig. 4 are shown are after installation in the infrared radiator 13 still present.
  • This infrared radiator 13 can now be connected to a power source, the first passage of electricity through the heating element 7 melt the connecting webs 10, thereby obtaining a continuous heating conductor, which no longer has any cross connections, like this Fig. 5 is apparent.

Landscapes

  • Resistance Heating (AREA)

Claims (9)

  1. Elément chauffant pour radiateur à rayonnement infra-rouge (13), consistant en une pluralité de bandes de feuilles (8) agencées sensiblement parallèlement les unes aux autres, formées d'un matériau résistif, chacune des bandes (8) étant reliée par une de ses extrémités (16) à l'extrémité (17) d'une bande (8) voisine par l'intermédiaire de pièces de raccordement (9), de telle sorte que les bandes (8) forment un conducteur continu, caractérisé en ce que l'élément chauffant (7) comportant les bandes (8), les pièces de raccordement (9) et des passerelles de raccordement (10) sont découpées d'un seul tenant à partir d'un corps de base, lesquelles passerelles de raccordement (10) reliant mutuellement transversalement les bandes (8) entre elles.
  2. Elément chauffant pour radiateur à rayonnement infra-rouge selon la revendication 1, caractérisé en ce que la largeur de ces passerelles de raccordement (10) correspond au maximum à environ un huitième de la largeur des bandes (8).
  3. Elément chauffant pour radiateur à rayonnement infra-rouge selon l'une des revendications 1 ou 2, caractérisé en ce que les bandes (8) selon repliées en zigzag transversalement par rapport au sens de la longueur.
  4. Elément chauffant pour radiateur à rayonnement infra-rouge selon l'une des revendications 1 à 3, caractérisé en ce que des âmes de maintien (11) sont prévues au niveau des pièces de raccordement (9) de chaque côté de l'élément chauffant (7).
  5. Elément chauffant pour radiateur à rayonnement infra-rouge selon la revendication 4, caractérisé en ce que les âmes de maintien (11) s'étendent essentiellement sur la largeur de l'élément chauffant (7) erstrecken.
  6. Elément chauffant pour radiateur à rayonnement infra-rouge selon l'une des revendications 4 ou 5, caractérisé en ce que les âmes de maintien (11) selon reliées aux pièces de raccordement (9) par l'intermédiaire d'autres passerelles de raccordement (12).
  7. Elément chauffant pour radiateur à rayonnement infra-rouge selon l'une des revendications 1 à 6, caractérisé en ce que l'élément chauffant (7) peut être installé dans le corps (15) d'un radiateur à rayonnement infra-rouge (13) et peut être fixé à celui-ci.
  8. Elément chauffant pour radiateur à rayonnement infra-rouge selon la revendication 7, caractérisé en ce que les âmes de maintien (11) peuvent être détachées par découpage après l'installation du radiateur à rayonnement infra-rouge (13) dans le corps (15).
  9. Elément chauffant pour radiateur à rayonnement infra-rouge selon l'une des revendications 1 à 8, caractérisé en ce que les passerelles de raccordement (10) entre les bandes (8) peuvent être dessoudées.
EP13153850.6A 2013-02-04 2013-02-04 Élément chauffant pour dispositif de rayonnement infrarouge Active EP2763497B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP13153850.6A EP2763497B1 (fr) 2013-02-04 2013-02-04 Élément chauffant pour dispositif de rayonnement infrarouge
PL13153850T PL2763497T3 (pl) 2013-02-04 2013-02-04 Element grzejny dla promiennika podczerwieni
ES13153850.6T ES2562906T3 (es) 2013-02-04 2013-02-04 Elemento de calefacción para radiador de infrarrojos
SI201330145T SI2763497T1 (sl) 2013-02-04 2013-02-04 Grelni element za infrardeči sevalnik

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13153850.6A EP2763497B1 (fr) 2013-02-04 2013-02-04 Élément chauffant pour dispositif de rayonnement infrarouge

Publications (2)

Publication Number Publication Date
EP2763497A1 EP2763497A1 (fr) 2014-08-06
EP2763497B1 true EP2763497B1 (fr) 2015-12-09

Family

ID=47722007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13153850.6A Active EP2763497B1 (fr) 2013-02-04 2013-02-04 Élément chauffant pour dispositif de rayonnement infrarouge

Country Status (4)

Country Link
EP (1) EP2763497B1 (fr)
ES (1) ES2562906T3 (fr)
PL (1) PL2763497T3 (fr)
SI (1) SI2763497T1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020130339A1 (de) 2020-11-17 2022-05-19 Aixtron Se Heizeinrichtung für einen CVD-Reaktor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4602238A (en) * 1984-01-20 1986-07-22 Vitronics Corporation Infrared panel emitter and method of producing the same
NO308718B1 (no) * 1995-07-21 2000-10-16 Kanstad Teknologi As Effektiv, pulset metallisk infrarød strÕlingskilde
DE19912544B4 (de) * 1999-03-19 2007-01-18 Heraeus Noblelight Gmbh Infrarotstrahler und Verfahren zur Erwärmung eines Behandlungsgutes
ITMI20060180A1 (it) * 2006-02-03 2007-08-04 Cedal Equipment S R L Pannello radiante in alluminio anodizzato con resistenza elettrica in acciaio inox

Also Published As

Publication number Publication date
SI2763497T1 (sl) 2016-04-29
PL2763497T3 (pl) 2016-05-31
EP2763497A1 (fr) 2014-08-06
ES2562906T3 (es) 2016-03-09

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