EP0951040B1 - Interrupteur à commande thermique - Google Patents

Interrupteur à commande thermique Download PDF

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Publication number
EP0951040B1
EP0951040B1 EP99100553A EP99100553A EP0951040B1 EP 0951040 B1 EP0951040 B1 EP 0951040B1 EP 99100553 A EP99100553 A EP 99100553A EP 99100553 A EP99100553 A EP 99100553A EP 0951040 B1 EP0951040 B1 EP 0951040B1
Authority
EP
European Patent Office
Prior art keywords
switch
terminal electrodes
insulating support
connection electrodes
switching mechanism
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
EP99100553A
Other languages
German (de)
English (en)
Other versions
EP0951040B2 (fr
EP0951040A2 (fr
EP0951040A3 (fr
Inventor
Marcel P. Hofsaess
Michael Becher
Edwin Güttinger
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.)
Thermik Geraetebau GmbH
Original Assignee
Thermik Geraetebau 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 Thermik Geraetebau GmbH filed Critical Thermik Geraetebau GmbH
Publication of EP0951040A2 publication Critical patent/EP0951040A2/fr
Publication of EP0951040A3 publication Critical patent/EP0951040A3/fr
Application granted granted Critical
Publication of EP0951040B1 publication Critical patent/EP0951040B1/fr
Publication of EP0951040B2 publication Critical patent/EP0951040B2/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
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/504—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by thermal means

Definitions

  • the present invention relates to a temperature-dependent switch with two attached to an insulating support terminal electrodes, a switching mechanism which establishes an electrically conductive connection between the two terminal electrodes in dependence on its temperature, and a resistor part which is electrically connected in parallel to the switching mechanism with the two terminal electrodes ,
  • Such a switch is from the DE-OS 21 13 388 known.
  • the known switch is a thermostat for protecting an electrical device which is electrically connected in series with the device to be protected and in thermal contact with the device.
  • the two terminal electrodes are flat metal parts, one of which carries a fixed mating contact and the other a bimetallic, at its free end a cooperating with the fixed counter-contact movable mating contact sits.
  • the two metal parts are arranged one above the other and clamp between them a PTC resistor, which is in electrical contact with both terminal electrodes with the interposition of a spring.
  • This construction of insulating support, metal parts with fixed and movable mating contact and PTC resistor is inserted into a housing, whereupon the housing opening is potted with a sealing compound.
  • Another, self-holding temperature-dependent switch is from the DE 43 36 564 A1 known.
  • This known switch comprises a arranged in an encapsulated housing bimetallic switching mechanism.
  • the housing is arranged on a carrier plate, on which conductor tracks and resistors are provided. Outside the housing a PTC resistor is provided on the carrier, which is soldered parallel to the rear derailleur with external connections.
  • the EP 0 272 696 A2 describes a temperature-dependent switch, in which on an insulating support, a resistor is arranged, which is connected via continuous through the insulation support rivets with two connected on opposite sides of the insulation support terminal electrodes in electrical connection. At the one rivet, a bimetallic switching element is fixed, which comes into contact with the other rivet, depending on its temperature, so that an electrically conductive connection is established between the two terminal electrodes becomes. Due to the chosen construction, the resistance part is electrically parallel to the rear derailleur.
  • the above-mentioned temperature-dependent switch in such a way that it is inexpensive and easy to assemble, preferably an exchange of the resistance member should be possible.
  • the inventors of the present application have recognized that a surprisingly simple switch is provided when the resistive member is not disposed inside the switch or on a separate carrier adjacent to the switch, but is held immediately outside the insulating carrier.
  • the switch can then be completely assembled before then the resistance part is subsequently placed from the outside. If the resistance part is omitted, the switch lacks the self-holding function, which is sufficient in many applications, however.
  • the new switch thus has the advantage that the basic switch can be prefabricated and then provided with a resistor depending on your choice. Since in this way the basic switch can be made in a single production run in a much larger number, namely because the specialization of the switch is only subsequently determined, the overall result is a reduction in production costs, since the lot size in the manufacture of the basic switch be significantly greater can than the generic switch.
  • the two terminal electrodes comprise flat metal parts, which are arranged side by side in a plane, and when the resistance part rests on the metal parts.
  • the electrical connection between the resistor part and the terminal electrodes is effected by the geometrical arrangement of the resistor part on the terminal electrodes, where they are held by the insulating part.
  • the insulating support is provided with projections which pinch the resistance member between them and press on the terminal electrodes.
  • the one terminal electrode carries a fixed mating contact and the other carries a bimetal part, at the free end of which a movable mating contact cooperating with the fixed mating contact is seated.
  • the resistance part is a PTC block.
  • the outer surfaces may be formed in a known manner as connections.
  • a temperature-dependent switch which comprises an insulating support 11, to which two in Fig. 1 dashed lines shown connecting electrodes 12, 13 are attached.
  • the connection electrode 13 is L-shaped and the connection electrode 12 is Z-shaped, so that they face each other in the longitudinal axis 14 of the switch 10 with their contact ends 12a, 13a.
  • terminal electrodes 12, 13 comprise flat metal parts, which are arranged side by side in a direction indicated at 15 level. Under the terminal electrodes 12, 13 are soldered leads 16, 17, which serve the external connection of the switch 10.
  • a resistance part 18 On the terminal electrodes 12, 13 is a resistance part 18, which is a PTC block 19 in the embodiment shown.
  • the insulating support 11 is at its sides with in Fig. 1 provided to the left, resilient projections 21, 22 which extend transversely to the plane 15 and extending from the plane of the Fig. 2 extend out.
  • the projections 21, 22 clamp the PTC block 19 between them and engage over each with a bead 23 and 24, whereby the PTC block 19 is pressed onto the terminal electrodes 12, 13.
  • the PTC block 19 may be in Fig. 1 be inserted laterally from the left between the terminal electrodes 12, 13 and the projections 21, 22 so that it sits outside of the insulating support 11, is held by this and at the same time in parallel between the two terminal electrodes 12, 13 is connected.
  • a cavity 26 is provided in the insulating support 11, in which a temperature-dependent switching mechanism 27 is arranged.
  • this cavity protrudes from the left, the terminal electrode 12 with its contact end 12a and from the right, the contact end 13a of the terminal electrode 13, wherein also in the region of the cavity 26, the two terminal electrodes 12, 13 lie on a plane.
  • the terminal electrode 12 carries at its contact end 12a a fixed counter-contact 28 which cooperates with a movable mating contact 29 which is arranged at a free end of a bimetallic spring 31.
  • the bimetallic spring 31 is connected to a bent portion 33 of the terminal electrode 13.
  • the bimetallic spring 31 in its low-temperature position in which it presses the movable counter-contact 29 against the fixed counter-contact 28, so that an electrically conductive connection between the two terminal electrodes 12, 13 is produced.
  • the switch 10 With its terminal electrodes 12, 13, the switch 10 is connected in series with an electrical device to be protected in an electrical circuit, wherein the operating current of the device via the terminal electrodes 12, 13 and the bimetal spring 31 is guided. Increases now the temperature of the switch 10 and thus the bimetal spring 31 beyond the switching temperature, so the bimetal spring 31 lifts the movable mating contact 29 from the fixed mating contact 28, whereby the circuit is interrupted, so that the protected device off becomes.
  • the PTC block 19 can be designed differently from its resistance value, whereby different switching temperatures can be obtained. For this purpose, it is only necessary to push different PTC blocks 19 between the resilient projections 21, 22 and the terminal electrodes 12, 13.

Landscapes

  • Thermally Actuated Switches (AREA)
  • Thermistors And Varistors (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Control Of Combustion (AREA)

Claims (5)

  1. Interrupteur assujetti à la température avec deux électrodes de connexion (12, 13) fixées au niveau d'un support d'isolation (11), avec un poste de coupure (27) établissant une connexion électroconductrice en fonction de sa température entre les deux électrodes de connexion (12, 13), ainsi qu'avec une résistance (18), laquelle est connectée électriquement en parallèle du poste de coupure (27) aux deux électrodes de connexion (12, 13), caractérisé en ce que le poste de coupure (27) est disposé dans un espace creux (26) du support d'isolation (11), et en ce que la résistance (18) est maintenue à l'extérieur au niveau du support d'isolation (11) et est soudée aux électrodes de connexion (12, 13).
  2. Interrupteur selon la revendication 1,
    caractérisé en ce que les deux électrodes de connexion (12, 13) comportent des éléments métalliques plats, lesquels sont disposés les uns à côté des autres dans un plan (15), et en ce que la résistance (18) repose sur les éléments métalliques.
  3. Interrupteur selon la revendication 1 ou 2, caractérisé en ce que le support d'isolation (11) est muni de saillies (21, 22), lesquelles serrent la résistance (18) entre elles et la poussent sur les électrodes de connexion (12, 13).
  4. Interrupteur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'électrode de connexion (12) au moins au nombre de une porte un contact opposé fixe (28), et en ce que l'autre électrode de connexion (13) porte un élément bimétallique (31), à l'extrémité libre duquel se situe un contact opposé mobile (29) coopérant avec le contact opposé fixe (28).
  5. Interrupteur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la résistance (18) est un bloc à coefficient positif de température (CPT) (19).
EP99100553.9A 1998-04-16 1999-01-13 Interrupteur à commande thermique Expired - Lifetime EP0951040B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19816807 1998-04-16
DE19816807A DE19816807C2 (de) 1998-04-16 1998-04-16 Temperaturabhängiger Schalter

Publications (4)

Publication Number Publication Date
EP0951040A2 EP0951040A2 (fr) 1999-10-20
EP0951040A3 EP0951040A3 (fr) 2000-07-26
EP0951040B1 true EP0951040B1 (fr) 2008-07-30
EP0951040B2 EP0951040B2 (fr) 2017-03-15

Family

ID=7864678

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99100553.9A Expired - Lifetime EP0951040B2 (fr) 1998-04-16 1999-01-13 Interrupteur à commande thermique

Country Status (6)

Country Link
US (1) US6133817A (fr)
EP (1) EP0951040B2 (fr)
AT (1) ATE403229T1 (fr)
AU (1) AU745179B2 (fr)
DE (2) DE19816807C2 (fr)
ES (1) ES2311299T3 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847209C2 (de) * 1998-10-13 2002-04-25 Marcel Hofsaes Schalter mit einem Isolierstoffträger
DE19909059C2 (de) * 1999-03-02 2003-10-16 Marcel Hofsaes Schalter mit Verschweißsicherung
US6483418B1 (en) * 2000-08-18 2002-11-19 Texas Instruments Incorporated Creep acting miniature thermostatic electrical switch and thermostatic member used therewith
JP4471479B2 (ja) * 2000-10-13 2010-06-02 ウチヤ・サーモスタット株式会社 サーマルプロテクタ
US6756536B2 (en) 2002-03-28 2004-06-29 Bae Systems Information And Electronic Systems Integration Inc. Thermoelectric microactuator
JP5000540B2 (ja) * 2008-01-31 2012-08-15 新光電気工業株式会社 スイッチング機能付配線基板
DE102009061050B4 (de) 2009-06-05 2019-09-05 Marcel P. HOFSAESS Bimetallteil und damit ausgestattete temperaturabhängige Schalter
DE102009025221A1 (de) 2009-06-05 2010-12-16 Hofsaess, Marcel P. Bimetallteil und damit ausgestattete temperaturabhängige Schalter
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
DE102013101393B4 (de) 2013-02-13 2014-10-09 Thermik Gerätebau GmbH Temperaturabhängiger Schalter
DE102013022331B4 (de) 2013-08-07 2020-10-29 Thermik Gerätebau GmbH Temperaturabhängiger Schalter
DE102013108504C5 (de) 2013-08-07 2018-11-15 Thermik Gerätebau GmbH Temperaturabhängiger Schalter
DE102013108508A1 (de) 2013-08-07 2015-02-12 Thermik Gerätebau GmbH Temperaturabhängiger Schalter
DE102014116888B4 (de) 2014-11-18 2018-05-17 Thermik Gerätebau GmbH Temperaturabhängiger Schalter
DE102018130078B4 (de) 2018-11-28 2020-10-15 Marcel P. HOFSAESS Temperaturabhängiger Schalter
DE102019125453A1 (de) 2019-09-20 2021-03-25 Marcel P. HOFSAESS Temperaturabhängiger Schalter

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB134274A (en) * 1918-10-24 1919-10-24 Frank William Gunton Improvements in Light Motor Cars, particularly those of the Cycle Car Type.
US2753421A (en) * 1953-03-11 1956-07-03 Stevens Mfg Co Inc Thermostatic switches
US3265839A (en) * 1963-08-05 1966-08-09 Fasco Industries Thermally-operable circuit breaker
US3308255A (en) * 1964-06-08 1967-03-07 Amf Electrica S P A Ambient thermal protector with abutment contact reengagement means mounted on its case
NL7004367A (fr) † 1970-03-26 1971-09-28
DE2831198C2 (de) † 1978-07-15 1982-11-04 Limitor AG, 8022 Zürich Bimetalltemperaturschalter
DE7920923U1 (de) † 1979-07-21 1979-10-25 Limitor Ag, Zuerich (Schweiz) Thermischer Zeitschalter
US4399423A (en) * 1982-03-29 1983-08-16 Texas Instruments Incorporated Miniature electric circuit protector
DE8300960U1 (de) * 1983-01-15 1983-06-09 Fritz Eichenauer GmbH & Co KG, 6744 Kandel Temperaturwächter
DE3320730A1 (de) * 1983-01-15 1984-07-19 Fritz Eichenauer GmbH & Co KG, 6744 Kandel Temperaturwaechter
ATE29338T1 (de) * 1983-06-20 1987-09-15 Texas Instruments Holland Thermostat.
US4620175A (en) * 1985-10-11 1986-10-28 North American Philips Corporation Simple thermostat for dip mounting
DE3644514A1 (de) * 1986-12-24 1988-07-07 Inter Control Koehler Hermann Bimetallschalter
JP2585148B2 (ja) * 1991-04-05 1997-02-26 ウチヤ・サーモスタット株式会社 フィルム状発熱体内蔵型サーモスタット
GB9109316D0 (en) * 1991-04-30 1991-06-19 Otter Controls Ltd Improvements relating to electric switches
DE4142716C2 (de) * 1991-12-21 1997-01-16 Microtherm Gmbh Thermoschalter
DE4206157A1 (de) * 1992-02-28 1993-09-16 Hofsass P Thermoschalter
DE9214940U1 (de) * 1992-11-03 1992-12-17 Thermik Geraetebau Gmbh, 7530 Pforzheim Temperaturwächter
US5268664A (en) * 1993-01-25 1993-12-07 Portage Electric Products, Inc. Low profile thermostat
DE4428226C1 (de) * 1994-08-10 1995-10-12 Thermik Geraetebau Gmbh Temperaturwächter
DE19509656C2 (de) † 1995-03-17 1997-01-16 Radbruch Jens Dipl Ing Temperaturschutzschalter
DE19727197C2 (de) * 1997-06-26 1999-10-21 Marcel Hofsaess Temperaturabhängiger Schalter mit Kontaktbrücke
DE19752581C2 (de) * 1997-11-27 1999-12-23 Marcel Hofsaes Schalter mit einem temperaturabhängigen Schaltwerk

Also Published As

Publication number Publication date
US6133817A (en) 2000-10-17
EP0951040B2 (fr) 2017-03-15
DE19816807C2 (de) 2000-06-08
ATE403229T1 (de) 2008-08-15
EP0951040A2 (fr) 1999-10-20
DE19816807A1 (de) 1999-10-28
AU2377099A (en) 1999-10-28
AU745179B2 (en) 2002-03-14
EP0951040A3 (fr) 2000-07-26
DE59914816D1 (de) 2008-09-11
ES2311299T3 (es) 2009-02-01

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