EP0410151A1 - Radiateur à infrarouge avec serpentin de chauffage électrique - Google Patents

Radiateur à infrarouge avec serpentin de chauffage électrique Download PDF

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Publication number
EP0410151A1
EP0410151A1 EP90112108A EP90112108A EP0410151A1 EP 0410151 A1 EP0410151 A1 EP 0410151A1 EP 90112108 A EP90112108 A EP 90112108A EP 90112108 A EP90112108 A EP 90112108A EP 0410151 A1 EP0410151 A1 EP 0410151A1
Authority
EP
European Patent Office
Prior art keywords
heating coil
tube
temperature sensor
infrared radiator
infrared
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.)
Withdrawn
Application number
EP90112108A
Other languages
German (de)
English (en)
Inventor
Walter Dieudonné
Kurt Reul
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.)
Heraeus Quarzglas GmbH and Co KG
Original Assignee
Heraeus Quarzglas GmbH and Co KG
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 Heraeus Quarzglas GmbH and Co KG filed Critical Heraeus Quarzglas GmbH and Co KG
Publication of EP0410151A1 publication Critical patent/EP0410151A1/fr
Withdrawn legal-status Critical Current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
    • H05B3/40—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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/032—Heaters specially adapted for heating by radiation heating

Definitions

  • the invention relates to an infrared radiator with arranged within a cladding tube electric heating coil and a temperature sensor.
  • Infrared radiators of the aforementioned type are known from US-PS 3,614,387.
  • an electrical heating coil is embedded in an electrically conductive insulating material of, for example, magnesium oxide or boron nitride in a metal cladding tube.
  • the metallic cladding tube is closed at both ends by means of a plug.
  • a thermocouple is arranged as a temperature sensor on the inside thereof. In such an arrangement, the temperature detection of the heating coil is associated with significant time delays, so that is to be expected for a constant temperature control with a larger hysteresis.
  • the object of the present invention has been made to provide an infrared radiator with electric heating coil, so that a power control in dependence of the heating coil temperature is ensured with very high accuracy and response speed.
  • the heating coil is wound on a support tube made of silica-containing material, which is arranged with play within a cladding tube, and that within the support tube of the temperature sensor is arranged.
  • the carrier tube preferably consists of quartz material or quartz glass permeable to infrared radiation. As materials for the cladding quartz, quartz glass or highly silicate glass have proven.
  • the carrier tube preferably passes through the wall of the cladding tube in the region of one end of the cladding tube.
  • the temperature sensor is slidably disposed within the cladding tube, so that, if necessary, during operation of the infrared radiator, the temperature of different Schuetzl Symposiume can be detected by moving the temperature sensor within the support tube.
  • a thermocouple As a temperature sensor, a thermocouple has been proven, but other temperature sensors can be arranged within the support tube.
  • the support tube itself is advantageously designed as a capillary tube with an inner diameter in the range of 0.5 to 2 mm. Its wall thickness is in the range of 0.5 to 2 mm.
  • the inventive design of the infrared emitter in particular the arrangement of the temperature sensor within the infrared radiation permeable material formed carrier tube for the heating coil, allows a high response of the temperature sensor to the temperature of the heating coil and thus a hysteresis-free power control of Schuetzltemperatur.
  • the displaceable arrangement of the temperature sensor within the support tube makes it possible to influence during operation of the infrared emitter also on process-related disturbances and to optimize the power control.
  • an embodiment of an infrared emitter is shown schematically.
  • the electric heating coil 2 is wound and the support tube 1 is positioned by means of spacers 3 within the cladding tube 4 made of quartz glass.
  • the two cladding tube ends are closed with ceramic plugs 5 and 6.
  • the support tube 1 is guided at one end of the cladding tube through the wall thereof.
  • the temperature sensor 7th inserted in the support tube 1 in the support tube 1, the temperature sensor 7th inserted. It can also be displaced back and forth within the support tube 1 during the operation of the infrared radiator so that, for example when using a thermocouple as a temperature sensor, the hot solder joint 8 can be positioned in different regions of the heating coil 2 and thus also during operation of the infrared coil. Spotlight the temperature of individual Schuchtl Symposium Edition can be detected.
  • the heating coil 2 is connected by means of the connecting line 9, 10 with a source of electrical power.

Landscapes

  • Resistance Heating (AREA)
EP90112108A 1989-07-28 1990-06-26 Radiateur à infrarouge avec serpentin de chauffage électrique Withdrawn EP0410151A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3925024 1989-07-28
DE3925024 1989-07-28

Publications (1)

Publication Number Publication Date
EP0410151A1 true EP0410151A1 (fr) 1991-01-30

Family

ID=6386047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90112108A Withdrawn EP0410151A1 (fr) 1989-07-28 1990-06-26 Radiateur à infrarouge avec serpentin de chauffage électrique

Country Status (2)

Country Link
EP (1) EP0410151A1 (fr)
JP (1) JPH0367485A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009037788A1 (de) 2009-08-18 2011-02-24 Saint-Gobain Sekurit Deutschland Gmbh & Co. Kg Infrarotstrahler
WO2011020728A1 (fr) 2009-08-18 2011-02-24 Saint-Gobain Glass France Diffuseur infrarouge
CN101220958B (zh) * 2003-11-25 2011-06-01 株式会社国际电气半导体技术服务 燃烧加热器及排气燃烧装置
CN102781126A (zh) * 2012-07-27 2012-11-14 樊荣 一种电热辐射管
CN111405694A (zh) * 2020-03-31 2020-07-10 宝应县荣泰电子有限公司 一种陶瓷点火器所用加热棒及其制作工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1242291A (fr) * 1959-06-03 1960-09-23 Heraeus Schott Quarzschmelze Radiateur de chaleur
GB2021369A (en) * 1978-05-13 1979-11-28 Stegmeier H A heating cartridge
US4531047A (en) * 1982-07-28 1985-07-23 Casso-Solar Corporation Clip-mounted quartz tube electric heater

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171487A (ja) * 1983-03-18 1984-09-27 松下電器産業株式会社 石英管ヒ−タ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1242291A (fr) * 1959-06-03 1960-09-23 Heraeus Schott Quarzschmelze Radiateur de chaleur
GB2021369A (en) * 1978-05-13 1979-11-28 Stegmeier H A heating cartridge
US4531047A (en) * 1982-07-28 1985-07-23 Casso-Solar Corporation Clip-mounted quartz tube electric heater

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101220958B (zh) * 2003-11-25 2011-06-01 株式会社国际电气半导体技术服务 燃烧加热器及排气燃烧装置
DE102009037788A1 (de) 2009-08-18 2011-02-24 Saint-Gobain Sekurit Deutschland Gmbh & Co. Kg Infrarotstrahler
WO2011020728A1 (fr) 2009-08-18 2011-02-24 Saint-Gobain Glass France Diffuseur infrarouge
CN102781126A (zh) * 2012-07-27 2012-11-14 樊荣 一种电热辐射管
CN111405694A (zh) * 2020-03-31 2020-07-10 宝应县荣泰电子有限公司 一种陶瓷点火器所用加热棒及其制作工艺
CN111405694B (zh) * 2020-03-31 2022-02-15 宝应县荣泰电子有限公司 一种陶瓷点火器所用加热棒及其制作工艺

Also Published As

Publication number Publication date
JPH0367485A (ja) 1991-03-22

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