EP1151453B1 - Totpunktschalter - Google Patents

Totpunktschalter Download PDF

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Publication number
EP1151453B1
EP1151453B1 EP00906165A EP00906165A EP1151453B1 EP 1151453 B1 EP1151453 B1 EP 1151453B1 EP 00906165 A EP00906165 A EP 00906165A EP 00906165 A EP00906165 A EP 00906165A EP 1151453 B1 EP1151453 B1 EP 1151453B1
Authority
EP
European Patent Office
Prior art keywords
dead
rocker
bearing
tension spring
dead center
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
EP00906165A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1151453A1 (de
Inventor
Willy Sabisch
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP1151453A1 publication Critical patent/EP1151453A1/de
Application granted granted Critical
Publication of EP1151453B1 publication Critical patent/EP1151453B1/de
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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7427—Adjusting only the electrothermal mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs

Definitions

  • the invention relates to a dead center switch with a stored in a warehouse, between two stops swivel rocker, which is pressed into the bearing, being between there is a dead center for the two rocker stops.
  • a generic dead center switch is shown in Figure 2.
  • a rocker 1 is in via a tension spring 2 Cutting edge bearing 3 pressed.
  • a contact load F is generated.
  • a bimetal 8 deflects and increases the temperature a bell crank 4, which moves the tension spring 2 so far until the lever arm "a" becomes negative and thus the seesaw 1 jumps to a second contact position.
  • the force of the tension spring 2 does not have the rocker 1 pivoting Component.
  • the tension spring with an adjusting screw 6 2 postponed.
  • the bell crank 4 follows the displacement of the Tension spring 2, which results in the distance "c".
  • a second adjusting screw 7 is provided.
  • the invention has for its object a dead center switch of the type mentioned with the least possible adjustment effort to accomplish.
  • This embodiment according to the invention has the advantage that you can make do with an adjustment process. According to the invention would the position of the tension spring in the known version always remain the same, so that there is an adjustment between the actual triggering mechanism of the dead center switch and the tension spring is unnecessary.
  • FIG. 1 shows a dead center switch with a in a bearing, in particular a cutting edge bearing 3, between two contact positions shown as swivel rocker 1 stops, which is pressed into the cutting edge bearing 3 by a tension spring 2 becomes.
  • the deflection according to arrow x of a bimetallic release 8 has the consequence that the tension spring 2 by means of a bell crank 4 is acted upon by a deflecting force F1 and thereby Rocker 1 actuated.
  • Deviating from known embodiments of the aforementioned Type is the dead center switch according to the invention with a movable cutting edge bearing 3, for the in Figure 1 shows two possible positions.
  • Shift is the position of the dead center at which the on the Rocker 1 acting force of tension spring 2 no rocker 1 has pivoting component, changeable. That leaves the Position of the tension spring 2 always the same and the position of the bell crank 4 is therefore unchanged before and after the adjustment process.

Landscapes

  • Thermally Actuated Switches (AREA)
  • Transmission Devices (AREA)
  • Springs (AREA)
EP00906165A 1999-02-04 2000-01-24 Totpunktschalter Expired - Lifetime EP1151453B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1999104539 DE19904539C2 (de) 1999-02-04 1999-02-04 Totpunktschalter
DE19904539 1999-02-04
PCT/DE2000/000196 WO2000046827A1 (de) 1999-02-04 2000-01-24 Totpunktschalter

Publications (2)

Publication Number Publication Date
EP1151453A1 EP1151453A1 (de) 2001-11-07
EP1151453B1 true EP1151453B1 (de) 2002-08-28

Family

ID=7896437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00906165A Expired - Lifetime EP1151453B1 (de) 1999-02-04 2000-01-24 Totpunktschalter

Country Status (4)

Country Link
EP (1) EP1151453B1 (zh)
CN (1) CN1165935C (zh)
DE (2) DE19904539C2 (zh)
WO (1) WO2000046827A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904539C2 (de) * 1999-02-04 2002-02-07 Siemens Ag Totpunktschalter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1916956C3 (de) * 1969-04-02 1983-12-08 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Elektrischer Schnappschalter
DE1955874A1 (de) * 1969-11-06 1971-05-19 Merk Gmbh Telefonbau Fried Schnappschalter
JPS5942927B2 (ja) * 1977-12-29 1984-10-18 富士電機株式会社 熱動形過負荷継電器
DE2914776C2 (de) * 1979-04-11 1981-07-02 Siemens AG, 1000 Berlin und 8000 München Auslöser für ein thermisches Schutzrelais
DE3223479A1 (de) * 1982-06-23 1983-12-29 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Thermostat-schnappfederschalter, insbesondere fuer temperaturregler in backoefen
DE9211138U1 (de) * 1992-08-20 1993-02-04 Klöckner-Moeller GmbH, 5300 Bonn Schaltvorrichtung
DE9414228U1 (de) * 1994-09-02 1996-01-11 Klöckner-Moeller GmbH, 53115 Bonn Elektrischer Schnappschalter
DE19904539C2 (de) * 1999-02-04 2002-02-07 Siemens Ag Totpunktschalter

Also Published As

Publication number Publication date
EP1151453A1 (de) 2001-11-07
CN1339169A (zh) 2002-03-06
DE19904539C1 (de) 2000-03-09
WO2000046827A1 (de) 2000-08-10
DE19904539C2 (de) 2002-02-07
DE50000416D1 (de) 2002-10-02
CN1165935C (zh) 2004-09-08

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