EP0951040A2 - Interrupteur à commande thermique - Google Patents

Interrupteur à commande thermique Download PDF

Info

Publication number
EP0951040A2
EP0951040A2 EP99100553A EP99100553A EP0951040A2 EP 0951040 A2 EP0951040 A2 EP 0951040A2 EP 99100553 A EP99100553 A EP 99100553A EP 99100553 A EP99100553 A EP 99100553A EP 0951040 A2 EP0951040 A2 EP 0951040A2
Authority
EP
European Patent Office
Prior art keywords
switch
connection
connection electrodes
resistance part
electrodes
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
EP99100553A
Other languages
German (de)
English (en)
Other versions
EP0951040B2 (fr
EP0951040A3 (fr
EP0951040B1 (fr
Inventor
Marcel Hofsäss
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 connection electrodes attached to an insulation support, a rear derailleur that depends on its temperature an electrically conductive connection between the two connection electrodes, and a resistance part, the electrically parallel to the rear derailleur with the two connection electrodes is connected.
  • Such a switch is known from DE-OS 21 13 388.
  • the known switch is a thermostat to protect an electrical one Device that is electrically in series with the one to be protected Device is switched and in thermal contact with the Device is.
  • connection electrodes are flat metal parts, from one with a fixed counter contact and the other with a bimetallic part carries, at its free end one with the fixed counter contact interacting movable counter contact sits.
  • the two metal parts are arranged one above the other and clamp a PTC resistor between them, with the interposition a spring in electrical contact with both connection electrodes stands.
  • This structure made of insulation supports, metal parts with fixed and Movable counter contact as well as PTC resistor is in one housing inserted, whereupon the housing opening with a sealing compound is shed.
  • the known switch has the disadvantage that the PTC resistor only mechanically when the switch is fully assembled holds, the assembly of this switch is quite expensive. It is not possible to replace the PTC resistor.
  • This known switch includes a bimetal switchgear arranged in an encapsulated housing.
  • the housing is arranged on a carrier plate, on the conductor tracks and resistors are provided. Outside a PTC resistor is provided on the carrier of the housing, which is soldered parallel to the rear derailleur with external connections is.
  • This switch has the disadvantage that it is relative on the one hand requires many components and has large dimensions.
  • the temperature-dependent switch mentioned above to further train that it is inexpensive and easy to assemble is, preferably an exchange of the resistance part should be possible.
  • the inventors of the present application have recognized that that a surprisingly simple switch is created when the resistance part is not inside the switch or on one separate carrier is arranged next to the switch, but is held directly on the outside of the insulation support. Of the The switch can then be completely assembled, before the resistor part is then attached from the outside becomes. If the resistance part is dispensed with, it is missing the switch the self-holding function, which in many applications however is sufficient.
  • the switch should have a self-holding function the resistance part is only to be attached from the outside, that e.g. soldered to the two connection electrodes can be.
  • the DE-OS 21 13 388 mentioned at the beginning opens against it this partial manufacture of the switch is not that inside the housing PTC resistor clamped between the connection electrodes had to be correct during production Interpretation are supplied.
  • the new switch offers the advantage that the basic switch is prefabricated and then, depending on your choice, with a Resistance can be added later. Because this way the basic switch in a single production step in very much larger number of pieces can be produced because namely the specialization of the switch is only determined retrospectively overall, there is also a reduction in production costs, since the lot size in the manufacture of the basic switch can be significantly larger than the generic switch.
  • the two Connection electrodes include flat metal parts that are next to each other are arranged in one plane and if the resistance part rests on the metal parts.
  • connection electrodes takes place through the geometric arrangement of the Resistor part on the connection electrodes, where by the Isolation part are kept.
  • soldering or a similar connection technology can possibly even be used to be dispensed with.
  • the insulation carrier has projections is provided, the resistance part between them clamp and press on the connection electrodes.
  • connection electrode a fixed mating contact and the other a bimetal part carries, at its free end one with the fixed counter contact interacting movable counter contact sits.
  • This measure has the advantage that a technically very simple switchgear is used, in which the operating current flows over the bimetal part itself, so that on another Spring part can be dispensed with.
  • the resistance part is a PTC block is.
  • 10 denotes a temperature-dependent switch, which comprises an insulation support 11, on which two in Fig. 1 connecting electrodes 12, 13 shown in dashed lines are.
  • the connection electrode 13 is L-shaped and the connection electrode 12 Z-shaped, so that they are in the longitudinal axis 14 of the switch 10 with their contact ends 12a, 13a on each other to assign.
  • connection electrodes 12, 13 include sheet metal parts that are side by side are arranged in a plane indicated at 15. Under the Connection electrodes 12, 13 are soldered lead wires 16, 17, which serve the external connection of the switch 10.
  • a resistance part 18 lies on the connection electrodes 12, 13 that in the exemplary embodiment shown is a PTC block 19 is.
  • the insulation support 11 is on its sides with in Fig. 1 left-hand, resilient projections 21, 22 provided run perpendicular to level 15 and out of the drawing level of Fig. 2 extend out.
  • the projections 21, 22 clamp the PTC block 19 between them and overlap with each a bead 23 or 24, whereby the PTC block 19 on the Connection electrodes 12, 13 is pressed.
  • the PTC block 19 can 1 laterally from the left between the connection electrodes 12, 13 and the projections 21, 22 are inserted so that he sits on the outside of the insulation support 11, held by this is and simultaneously in parallel between the two connection electrodes 12, 13 is switched.
  • connection electrode 12 carries one at its contact end 12a fixed counter contact 28 with a movable counter contact 29 works together on a free end of a bimetal spring 31 is arranged. At its other end 32 is the bimetal spring 31 with a bent part 33 of the connection electrode 13 connected.
  • the bimetal spring is in the position shown in FIG. 3 31 in its low temperature position, in which it moves Mating contact 29 presses against the fixed mating contact 28, so that an electrically conductive connection between the two Connection electrodes 12, 13 is produced.
  • the switch 10 With its connection electrodes 12, 13, the switch 10 in series with one electrical device to be protected in an electrical circuit switched, the operating current of the device over the Connection electrodes 12, 13 and the bimetal spring 31 performed becomes. Now the temperature of the switch 10 increases and thus the bimetal spring 31 beyond the switching temperature, so the bimetallic spring 31 lifts the movable counter contact 29 from the fixed counter contact 28, whereby the circuit is interrupted so that the protected device is switched off.
  • the PTC block 19 can differ in terms of its resistance value be designed, whereby different switching temperatures can be obtained. All that is required is different PTC blocks 19 between the resilient Projections 21, 22 and the connection electrodes 12, 13 too push.

Landscapes

  • Thermally Actuated Switches (AREA)
  • Thermistors And Varistors (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Control Of Combustion (AREA)
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
DE19816807A DE19816807C2 (de) 1998-04-16 1998-04-16 Temperaturabhängiger Schalter
DE19816807 1998-04-16

Publications (4)

Publication Number Publication Date
EP0951040A2 true EP0951040A2 (fr) 1999-10-20
EP0951040A3 EP0951040A3 (fr) 2000-07-26
EP0951040B1 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010139781A1 (fr) * 2009-06-05 2010-12-09 Hofsaess Marcel P Pièce bimétallique et commutateur dépendant de la température équipé de ladite pièce
US11476066B2 (en) 2019-09-20 2022-10-18 Marcel P. HOFSAESS Temperature-dependent switch

Families Citing this family (15)

* 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
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114071A2 (fr) * 1983-01-15 1984-07-25 Fritz Eichenauer GmbH & Co. KG Dispositif de contrôle de température
EP0272696A2 (fr) * 1986-12-24 1988-06-29 INTER CONTROL Hermann Köhler Elektrik GmbH u. Co. KG Interrupteur à bilame
EP0887826A2 (fr) * 1997-06-26 1998-12-30 Marcel Hofsäss Interrupteur à commande thermique avec pont de contact

Family Cites Families (20)

* 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
DE3320730A1 (de) * 1983-01-15 1984-07-19 Fritz Eichenauer GmbH & Co KG, 6744 Kandel Temperaturwaechter
EP0128978B1 (fr) * 1983-06-20 1987-09-02 Texas Instruments Holland B.V. Thermostat
US4620175A (en) * 1985-10-11 1986-10-28 North American Philips Corporation Simple thermostat for dip mounting
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
DE19752581C2 (de) * 1997-11-27 1999-12-23 Marcel Hofsaes Schalter mit einem temperaturabhängigen Schaltwerk

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114071A2 (fr) * 1983-01-15 1984-07-25 Fritz Eichenauer GmbH & Co. KG Dispositif de contrôle de température
EP0272696A2 (fr) * 1986-12-24 1988-06-29 INTER CONTROL Hermann Köhler Elektrik GmbH u. Co. KG Interrupteur à bilame
EP0887826A2 (fr) * 1997-06-26 1998-12-30 Marcel Hofsäss Interrupteur à commande thermique avec pont de contact

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010139781A1 (fr) * 2009-06-05 2010-12-09 Hofsaess Marcel P Pièce bimétallique et commutateur dépendant de la température équipé de ladite pièce
US9355801B2 (en) 2009-06-05 2016-05-31 Marcel P. HOFSAESS Bimetal part and temperature-dependent switch equipped therewith
US11476066B2 (en) 2019-09-20 2022-10-18 Marcel P. HOFSAESS Temperature-dependent switch

Also Published As

Publication number Publication date
US6133817A (en) 2000-10-17
ATE403229T1 (de) 2008-08-15
DE19816807C2 (de) 2000-06-08
AU745179B2 (en) 2002-03-14
EP0951040B2 (fr) 2017-03-15
EP0951040A3 (fr) 2000-07-26
AU2377099A (en) 1999-10-28
EP0951040B1 (fr) 2008-07-30
DE59914816D1 (de) 2008-09-11
DE19816807A1 (de) 1999-10-28
ES2311299T3 (es) 2009-02-01

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