EP0721199A2 - Cummutateur dépendant de la température - Google Patents

Cummutateur dépendant de la température Download PDF

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Publication number
EP0721199A2
EP0721199A2 EP96104863A EP96104863A EP0721199A2 EP 0721199 A2 EP0721199 A2 EP 0721199A2 EP 96104863 A EP96104863 A EP 96104863A EP 96104863 A EP96104863 A EP 96104863A EP 0721199 A2 EP0721199 A2 EP 0721199A2
Authority
EP
European Patent Office
Prior art keywords
housing part
cover part
temperature
contact
cover
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
EP96104863A
Other languages
German (de)
English (en)
Other versions
EP0721199A3 (fr
EP0721199B1 (fr
Inventor
Peter Hofsäss
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0721199A2 publication Critical patent/EP0721199A2/fr
Publication of EP0721199A3 publication Critical patent/EP0721199A3/xx
Application granted granted Critical
Publication of EP0721199B1 publication Critical patent/EP0721199B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H2001/5894—Electric connections to or between contacts; Terminals the extension of the contact being welded to a wire or a bus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing
    • H01H37/5436—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing mounted on controlled apparatus

Definitions

  • the switching mechanism has a spring washer, to which a contact part is fastened by a flanged edge, which comes into contact with the upper housing part.
  • a bimetallic snap disk is placed over the spring washer, which is accommodated in the housing without forces below the switching temperature. The current flows through the conductive upper housing part, the contact part, the spring washer and the lower housing part, on which the spring washer is supported. If the switching temperature is exceeded, the bimetallic snap disk snaps and presses the spring washer with its contact away from the upper housing part.
  • a similar temperature-dependent switch is known from DE-OS 21 21 802, which has a two-part housing.
  • a connection tab is provided on the cover part and on the housing part, which is possible there because of the two-part housing.
  • the upper housing part overlapping the lower housing part is provided with a recess in its peripheral edge through which the connecting lug of the lower housing part extends outwards.
  • the contact part is provided with a ring, via which it is clamped between the spring washer and the bimetallic snap disk.
  • the contact part must be inserted, so to speak, "loosely” so that no mechanical stresses or forces are exerted on the spring washer, which would otherwise influence their movements.
  • this object is achieved in the case of the temperature-dependent switch mentioned at the outset in that the contact part is firmly attached to the spring washer by welding.
  • This measure has the advantage that the manufacture of the new switch is simplified because the contact part is now firmly attached to the spring washer before assembly, so that it is not during assembly can slip. This not only increases the assembly speed, the scrap is also noticeably reduced.
  • a stranded wire can now be connected to this shoulder, which is set back relative to the underside, without this influencing the overall height or the temperature contact possibly made via the underside of the housing part.
  • the wire can now not only on the cover part but also on the shoulder e.g. can be welded by electro spot welding, which is considerably faster than the soldering known from the prior art.
  • the measure of providing the shoulder already leads to a significant improvement in the manufacture and assembly of the new temperature-dependent switches.
  • connection lug which is connected to the cover part by its first end, preferably by welding, and whose second end, remote from the first end, serves as a connection.
  • the second terminal lug and the mating contact are welded in one operation.
  • the insulating washer is fixed to the cover part before the switch is assembled.
  • the cover part and the insulating washer can first be manufactured separately and then glued together.
  • the required center hole can be made in the insulating washer, through which the contact part of the spring washer can come into contact with the cover part or the mating contact attached to it.
  • 10 is a temperature-dependent switch for temperature-dependent opening and closing of a circuit.
  • the switch 10 comprises a housing part 12 which, with its underside 13, connects to a device (not shown in FIG. 1) or e.g. the excitation winding of a motor can be applied so that the temperature of the device or the motor influences the switching behavior of the switch in a manner to be described in more detail.
  • the housing part 12 has a raised edge 14 and essentially has a circular plan.
  • a switching mechanism 15 which, depending on the temperature of the monitored device, makes or opens an electrical contact between the housing part 12 and a cover part 16.
  • An insulating disk 17 is arranged between the cover part 16 and the housing part 12 and electrically insulates the housing part 12 from the cover part 16.
  • the insulating washer 17 is folded up around the cover part 16 in Fig. 1, so that it Cover part 16 isolated along its entire circumference 18 from the edge 14.
  • the inserted in the raised edge 14 cover part 16 and the insulating washer 17 are held in the housing part 12 in that the edge 14 is flanged at its upper end 19.
  • the switching mechanism 15 is tightly received in the switch 10, an edge region 20 of the insulating disk 17 projecting upward.
  • a bimetallic part 26 is arranged between the spring washer 21 and the insulating washer 17, which is here a bimetallic snap disc 27 which likewise has a central hole through which the contact part 22 extends.
  • FIG. 2 shows a temperature-dependent switch 10 ', in which the connection to the cover part 12 also takes place via a further connecting lug 38.
  • the second connecting lug 38 is on the outside with its first end 39 welded onto the cover part 16 and further angled in such a way that its second end 40, which is remote from the first end 39, is set back in relation to the first end 39 in FIG. 2.
  • the arrangement is such that the second end 40 of the second connecting lug 38 is radially offset, but is approximately at the same height as the second end 36 of the first connecting lug 33.
  • the switch 10 ' corresponds to the switch 10 from FIG. 1. Only the center hole 23 of the insulating disk 17 is made larger in the switch 10' than in the switch 10.
  • the cover part 12, to which the insulating washer 17 is glued in a manner to be described in more detail, is first provided with the mating contact 24 and the second connecting lug 38 before it is pressed into the housing part 12. Thereafter, the raised edge 14 is flanged at its upper end 19, whereupon the manufacture of the switches 10, 10 'has ended.
  • the connecting leads 31 are welded onto the second ends 36 and 40 of the connecting lugs 33 and 38, respectively. This welding takes place outside the outline contour of the switch 10 'and can be implemented in a simple, quick and inexpensive manner by welding, preferably by means of electric spot welding.
  • FIG. 3 the switch 10 of Fig. 1 is shown in a plan view from above, so that in addition to the connecting wire 31a, the connecting wire 31b can be seen, which is welded with its stripped end 32b to the second end 36 of the first connecting lug 33 .
  • FIG. 4 shows the switch 10 'from FIG. 2 in a top view, the welded connecting leads 31a and 31b being shown here.
  • Fig. 5 shows the first terminal lug 33 and the second terminal lug 38, which are manufactured as inexpensive stamped parts, preferably made of sheet metal.
  • the connecting lugs 33 and 38 are connected via connecting webs 41 and 42 to a transport web 43 in which transport holes 44 are provided. 5 is only a partial illustration, the transport web 43 is extended upwards and downwards in FIG. 5 and carries further connecting lugs 33 and 39 there.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Control Of Combustion (AREA)
EP96104863A 1993-10-30 1994-10-08 Cummutateur dépendant de la température Expired - Lifetime EP0721199B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4337141 1993-10-30
DE4337141A DE4337141C2 (de) 1993-10-30 1993-10-30 Temperaturabhängiger Schalter
EP94115910A EP0651411B1 (fr) 1993-10-30 1994-10-08 Commutateur dépendant de la température

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP94115910.5 Division 1994-10-08
EP94115910A Division EP0651411B1 (fr) 1993-10-30 1994-10-08 Commutateur dépendant de la température

Publications (3)

Publication Number Publication Date
EP0721199A2 true EP0721199A2 (fr) 1996-07-10
EP0721199A3 EP0721199A3 (fr) 1996-08-14
EP0721199B1 EP0721199B1 (fr) 1999-01-13

Family

ID=6501453

Family Applications (2)

Application Number Title Priority Date Filing Date
EP94115910A Expired - Lifetime EP0651411B1 (fr) 1993-10-30 1994-10-08 Commutateur dépendant de la température
EP96104863A Expired - Lifetime EP0721199B1 (fr) 1993-10-30 1994-10-08 Cummutateur dépendant de la température

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP94115910A Expired - Lifetime EP0651411B1 (fr) 1993-10-30 1994-10-08 Commutateur dépendant de la température

Country Status (5)

Country Link
US (1) US5670930A (fr)
EP (2) EP0651411B1 (fr)
AT (2) ATE175811T1 (fr)
DE (4) DE4345350C2 (fr)
ES (2) ES2129903T3 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19545997C2 (de) * 1995-12-09 1997-12-18 Marcel Hofsaes Schalter mit einem temperaturabhängigen Schaltwerk
DE19546004C2 (de) * 1995-12-09 1998-01-15 Hofsaes Marcel Schalter mit einem bei Übertemperatur schaltenden Schaltwerk
DE19609310C2 (de) * 1996-03-09 1999-07-15 Thermik Geraetebau Gmbh Schalter mit einem temperaturabhängigen Schaltwerk
DE19623570C2 (de) * 1996-06-13 1998-05-28 Marcel Hofsaes Temperaturwächter mit einer Kaptonfolie
DE19636640C2 (de) * 1996-09-10 1999-02-18 Marcel Hofsaes Schalter mit einem Sicherheitselement
DE19708436C2 (de) * 1997-03-01 1999-08-19 Hofsaes Temperaturabhängiger Schalter mit Kontaktbrücke und Verfahren zu dessen Herstellung
DE19705154C2 (de) * 1997-02-11 1999-06-02 Thermik Geraetebau Gmbh Temperaturabhängiger Schalter mit einem Bimetall-Schaltwerk
DE19705410C2 (de) * 1997-02-13 1999-02-11 Thermik Geraetebau Gmbh Temperaturabhängiger Schalter mit Haltebügel
US6083639A (en) * 1997-08-22 2000-07-04 Duracell Inc. Current interrupter for electrochemical cells
US6781504B2 (en) * 2001-08-14 2004-08-24 Honeywell International, Inc. Thermal switch adapter
DE10156884A1 (de) 2001-11-20 2003-05-28 Zeiss Carl Smt Ag Vorrichtung zur Halterung einer Fassung eines optischen Elements
DE102009030353B3 (de) * 2009-06-22 2010-12-02 Hofsaess, Marcel P. Kappe für einen temperaturabhängigen Schalter sowie Verfahren zur Fertigung eines temperaturabhängigen Schalters
DE102009039948A1 (de) * 2009-08-27 2011-03-03 Hofsaess, Marcel P. Temperaturabhängiger Schalter
GB2481240B (en) * 2010-06-17 2017-04-12 Otter Controls Ltd Thermally responsive electric switches
DE102011107110B4 (de) * 2011-07-12 2013-04-18 Marcel P. HOFSAESS Verfahren zum Umgeben eines elektrischen Bauteils mit einem Schutzgehäuse sowie elektrisches Bauteil mit einem Schutzgehäuse
DE102011119637B4 (de) * 2011-11-22 2013-06-06 Marcel P. HOFSAESS Temperaturabhängiger Schalter mit einem temperaturabhängigen Schaltwerk sowie Verfahren zum Herstellen eines solchen Schalters
DE102011119633B3 (de) 2011-11-22 2013-04-11 Marcel P. HOFSAESS Temperaturabhängiger Schalter
DE102011119632B3 (de) * 2011-11-22 2013-04-11 Marcel P. HOFSAESS Temperaturabhängiges Schaltwerk
DE102013109291A1 (de) 2013-08-27 2015-03-05 Thermik Gerätebau GmbH Temperaturabhängiger Schalter mit am Rand eingeklemmter Schnappscheibe
DE102013017232A1 (de) 2013-10-17 2015-04-23 Thermik Gerätebau GmbH Temperaturabhängiges Schaltwerk
DE102014108518A1 (de) 2014-06-17 2015-12-17 Thermik Gerätebau GmbH Temperaturabhängiger Schalter mit Distanzring
DE102014110260A1 (de) * 2014-07-22 2016-01-28 Thermik Gerätebau GmbH Temperaturabhängiger Schalter mit Isolierfolie
DE102014116888B4 (de) * 2014-11-18 2018-05-17 Thermik Gerätebau GmbH Temperaturabhängiger Schalter
DE102015114248B4 (de) 2015-08-27 2019-01-17 Marcel P. HOFSAESS Temperaturabhängiger Schalter mit Schneidgrat
DE102019132433B4 (de) * 2019-11-29 2021-08-12 Marcel P. HOFSAESS Temperaturabhängiger Schalter und Verfahren zu dessen Herstellung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2106132A1 (de) * 1970-02-11 1971-10-28 Electrovac Thermischer Schalter in Miniatur ausfuhrung
DE2121802A1 (de) * 1971-05-03 1973-01-25 Thermik Geraetebau Gmbh Temperaturwaechter
US4079348A (en) * 1976-05-27 1978-03-14 Texas Instruments Incorporated Thermally responsive electrical switch
DE2917482A1 (de) * 1979-04-30 1980-11-06 Hofsass P Waermeschutzschalter
GB2205443A (en) * 1987-06-04 1988-12-07 Alps Electric Co Ltd Terminals for pushbutton switches
DE9113825U1 (de) * 1991-11-07 1992-12-10 Hofsäss, Peter, 7530 Pforzheim Temperaturschalter
DE9214544U1 (de) * 1992-10-27 1992-12-17 Thermik Gerätebau GmbH, 75181 Pforzheim Temperaturschalter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3755770A (en) * 1971-12-07 1973-08-28 Gen Electric Thermostat having improved temperature drift control means
SU1148056A1 (en) * 1983-05-24 1985-03-30 Aleksej S Lyanguzov Temperature-sensitive electric switch
DE3710672C2 (de) * 1987-03-31 1997-05-15 Hofsaes Geb Zeitz Ulrika Temperaturwächter mit einem Gehäuse
DE4142716C2 (de) * 1991-12-21 1997-01-16 Microtherm Gmbh Thermoschalter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2106132A1 (de) * 1970-02-11 1971-10-28 Electrovac Thermischer Schalter in Miniatur ausfuhrung
DE2121802A1 (de) * 1971-05-03 1973-01-25 Thermik Geraetebau Gmbh Temperaturwaechter
US4079348A (en) * 1976-05-27 1978-03-14 Texas Instruments Incorporated Thermally responsive electrical switch
DE2917482A1 (de) * 1979-04-30 1980-11-06 Hofsass P Waermeschutzschalter
GB2205443A (en) * 1987-06-04 1988-12-07 Alps Electric Co Ltd Terminals for pushbutton switches
DE9113825U1 (de) * 1991-11-07 1992-12-10 Hofsäss, Peter, 7530 Pforzheim Temperaturschalter
DE9214544U1 (de) * 1992-10-27 1992-12-17 Thermik Gerätebau GmbH, 75181 Pforzheim Temperaturschalter

Also Published As

Publication number Publication date
EP0721199A3 (fr) 1996-08-14
DE4337141C2 (de) 1996-06-05
EP0721199B1 (fr) 1999-01-13
DE4337141A1 (de) 1995-05-04
ATE175811T1 (de) 1999-01-15
ES2129903T3 (es) 1999-06-16
DE59407662D1 (de) 1999-02-25
DE4345350C2 (de) 1997-05-22
EP0651411A1 (fr) 1995-05-03
ES2097598T3 (es) 1997-04-01
DE59401649D1 (de) 1997-03-06
EP0651411B1 (fr) 1997-01-22
US5670930A (en) 1997-09-23
ATE148262T1 (de) 1997-02-15

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