EP0158699B1 - Elektrisches Heizregister für Heizlüfter - Google Patents

Elektrisches Heizregister für Heizlüfter Download PDF

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Publication number
EP0158699B1
EP0158699B1 EP84107534A EP84107534A EP0158699B1 EP 0158699 B1 EP0158699 B1 EP 0158699B1 EP 84107534 A EP84107534 A EP 84107534A EP 84107534 A EP84107534 A EP 84107534A EP 0158699 B1 EP0158699 B1 EP 0158699B1
Authority
EP
European Patent Office
Prior art keywords
web
insulating element
bar
insulating body
coil winding
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
Application number
EP84107534A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0158699A1 (de
Inventor
Günter Petz
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.)
PETZ ELEKTRO GmbH
Original Assignee
PETZ ELEKTRO 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 PETZ ELEKTRO GmbH filed Critical PETZ ELEKTRO GmbH
Priority to AT84107534T priority Critical patent/ATE39318T1/de
Publication of EP0158699A1 publication Critical patent/EP0158699A1/de
Application granted granted Critical
Publication of EP0158699B1 publication Critical patent/EP0158699B1/de
Expired 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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0202—Switches
    • H05B1/0208—Switches actuated by the expansion or evaporation of a gas or liquid
    • 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
    • H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base

Definitions

  • the invention relates to an electric heating register for a fan heater, with a resistance heater arranged on an insulator that can be connected to the fan heater housing, with freely protruding winding loops fixed to the insulator by means of a clamp body, and with a bimetal switch that is connected in series with the resistor heater as a heat protection switch Insulating body connected, the terminal supporting web is arranged and in which the one end of the winding loops at a bend-fixed bend connected to the one terminal, removed from the insulating body and the other end of the winding loops arranged on an on the other side of the web closer to the insulating body the other connection connected web-fixed bend are fixed.
  • the bimetal switch is formed on the side of the web which faces the end of the winding loops which is connected to the bend which is approximated to the insulating body.
  • the winding loop which is freely spaced over its essential radial expansion, executes bending movements under the influence of thermal or mechanical influences, which result in uncontrolled approaches or distances between the winding loop and the bimetallic body, which give rise to an indefinite response of the bimetal switch and inaccurate protective circuits.
  • this object is achieved in that the bimetallic switch is arranged on the side of the web which is adjacent to the end of the winding loops connected to the radially outer bend.
  • the bimetallic strip is assigned to the winding loop held with the two radial ends at a constant distance from the web, whereby a reliable response of the bimetallic strip can be achieved at a defined temperature even if the winding loop projecting on the other side of the web is more or less attached to the Approaching footbridge.
  • the web has a recess and that the bimetal switch is arranged on the web and extends over the recess.
  • the recess can serve in a known manner to accommodate a heating resistor assigned in parallel to the bimetal switch.
  • 1 denotes an annular insulating body which can be fixed by means of a hub 2 to a fan heater housing (not shown in more detail).
  • a resistance heater 3, which has winding loops 4, is arranged on the insulating body 1.
  • the winding loops 4 are held on the insulating body 1 by hollow rivets 5 and are freely projecting with the other part. 6 with a web connected to the insulating body 1 is designated, which carries connections 7 and 8 for the resistance heating.
  • connection 7 With the connection 7, a bend 9 is firmly connected, to which the one end 4 'of the resistance heater 3 is fixed, as a result of which this end 4' is held on the web 6 both in the region of the insulating body 1 and via the bend 9.
  • the end 4 ′′ of the resistance heater 3 is fixed to a further bend 9 ′ which is connected via an electrical conductor 10 to a bimetal switch 11 serving as a heat protection switch.
  • the bimetal switch 11 extends over a recess 15 on the side of the end 4 ′ facing the end Web 6.
  • the bimetal switch 11 is connected to the connection 8 via a conductor 12.
  • a low-power electric heating element 13 is connected in a manner known per se parallel to the bimetal switch 11.
  • the web 6 is for connection to the insulating body 1 in a bushing fixed to the insulating body 16 inserted and fixed by means of the retaining pin 14 engaging under the socket 16.
  • FIG. 1 shows that as a result of the definition of the end 4 'of the resistance heater 3, a constant distance between the resistance heater 3 and the bimetal switch is ensured and maintained, and that a precisely defined operation of the bimetal switch 11 is ensured by this constant distance.
  • FIG. 2 shows a resistance heater 3 of the heating register known from DE-A1-2 944132.
  • the bimetallic switch 11 is arranged on the other side of the web 6 and is accordingly assigned to the freely protruding end 4 "of the heating register.
  • the end 4" cannot be influenced if the winding loops 4 are thermally or mechanically influenced optionally a more or less approximate position, e.g. B. at a distance "a” or a more distant position, for. B. at a distance "b” to the bimetallic switch and that the resulting different distances between the end 4 "and the bimetallic switch 11 inadvertently trigger an earlier or later response of the bimetallic switch 11.
  • This enables protective circuits to be achieved at undefined temperatures and prevents the fan heater from being safely protected .

Landscapes

  • Thermally Actuated Switches (AREA)
  • Resistance Heating (AREA)
  • General Induction Heating (AREA)
  • Conductive Materials (AREA)
  • Non-Reversible Transmitting Devices (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP84107534A 1984-03-15 1984-06-29 Elektrisches Heizregister für Heizlüfter Expired EP0158699B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84107534T ATE39318T1 (de) 1984-03-15 1984-06-29 Elektrisches heizregister fuer heizluefter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3409495A DE3409495A1 (de) 1984-03-15 1984-03-15 Elektrisches heizregister, insbesondere fuer heizluefter
DE3409495 1984-03-15

Publications (2)

Publication Number Publication Date
EP0158699A1 EP0158699A1 (de) 1985-10-23
EP0158699B1 true EP0158699B1 (de) 1988-12-14

Family

ID=6230575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84107534A Expired EP0158699B1 (de) 1984-03-15 1984-06-29 Elektrisches Heizregister für Heizlüfter

Country Status (7)

Country Link
US (1) US4636615A (es)
EP (1) EP0158699B1 (es)
AT (1) ATE39318T1 (es)
AU (1) AU3687384A (es)
DE (1) DE3409495A1 (es)
ES (1) ES8601624A1 (es)
NZ (1) NZ209772A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT211702Z2 (it) * 1987-01-27 1989-04-07 Rica Spa Elemento riscaldante a resistenza elettrica per riscaldatori d'ambienti ad aria.
US5399838A (en) * 1993-04-19 1995-03-21 Brown; Neville L. Automotive heating apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944132A1 (de) * 1979-11-02 1981-05-14 Fa. Fritz Eichenauer, 6744 Kandel Elektrisches widerstandsheizelement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE510562C (de) * 1923-12-06 1930-10-20 Scherbius & Ritter UEberhitzungsschutz fuer elektrisch beheizte Vorrichtungen
US1717550A (en) * 1928-03-12 1929-06-18 James H Carmean Heater mounting
CA1031809A (en) * 1974-12-03 1978-05-23 Federal Pioneer Limited Controlled droop thermostat
DE7824686U1 (de) * 1978-08-18 1979-02-08 Wilhelm Bosbach Gmbh & Co Kg, 5630 Remscheid Elektrischer widerstand fuer heizungsgeblaese, insbesondere in kraftfahrzeugen
DE3004874A1 (de) * 1980-02-09 1981-08-20 Fritz Eichenauer GmbH & Co KG, 6744 Kandel Platine fuer elektrische geraete o.dgl.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944132A1 (de) * 1979-11-02 1981-05-14 Fa. Fritz Eichenauer, 6744 Kandel Elektrisches widerstandsheizelement

Also Published As

Publication number Publication date
ATE39318T1 (de) 1988-12-15
ES536845A0 (es) 1985-10-16
NZ209772A (en) 1988-08-30
EP0158699A1 (de) 1985-10-23
AU3687384A (en) 1985-09-19
ES8601624A1 (es) 1985-10-16
US4636615A (en) 1987-01-13
DE3409495A1 (de) 1985-09-26

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