EP1033732B1 - Schalter mit Verschweisssicherung - Google Patents
Schalter mit Verschweisssicherung Download PDFInfo
- Publication number
- EP1033732B1 EP1033732B1 EP99124508A EP99124508A EP1033732B1 EP 1033732 B1 EP1033732 B1 EP 1033732B1 EP 99124508 A EP99124508 A EP 99124508A EP 99124508 A EP99124508 A EP 99124508A EP 1033732 B1 EP1033732 B1 EP 1033732B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switch
- connection electrode
- bimetallic
- contact element
- contact
- 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
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
- H01H2001/506—Fail safe contacts, i.e. the contacts being kept in a safe position, usually in an open circuit position, at end of life time of switch
-
- 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
- H01H2037/5463—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting the bimetallic snap element forming part of switched circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/001—Means for preventing or breaking contact-welding
Definitions
- the known switches are used to one protecting electrical consumers from overtemperature and / or to protect high operating current. To this end. they will be in line with the electrical consumer at one Switched voltage source to supply the consumer and mechanically arranged so that they are in close thermal Contact the consumer.
- This measure has the advantage that also by current-carrying bimetallic part ensures that the Welding in the border area between even more adequate Opening force and extreme creep takes place in the open state.
- the bimetal part does not have to be against the force of one Working spring, so that the opening force to the actual Lifting the movable contact part is still sufficient, even if the bimetal part is already at the end of its service life has arrived.
- the advantage here is that the current through a series connection made of temperature-neutral spring element and temperature-dependent Bimetallic part flows, the spring element for a safe Closing pressure of the closed switch ensures while the bimetal part yourself without heavy mechanical loads can deform depending on the temperature.
- the spring element for a safe Closing pressure of the closed switch ensures while the bimetal part yourself without heavy mechanical loads can deform depending on the temperature.
- switching takes place moreover a transverse movement between the two Contact parts, which ensures that the first between arc forming the two contact parts on the Bimetallic part is deflected and this with a current-carrying part of the switch welded.
- one of the two contact parts approximately circular in cross-section and the other is approximately rectangular, with particular preference that fixed contact part circular in cross section and the movable Contact part is square in cross section.
- first, lower connection electrode 15 and a second, upper connection electrode 16 are arranged, between which the switching mechanism 11 is electrical and is provided mechanically.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermally Actuated Switches (AREA)
- Push-Button Switches (AREA)
- Burglar Alarm Systems (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Switch Cases, Indication, And Locking (AREA)
Description
- Fig. 1
- ein erstes Ausführungsbeispiel des neuen Schalters in einer längs geschnittenen Seitenansicht, in geschlossenem Zustand;
- Fig. 2
- eine Ansicht wie Fig. 1, jedoch mit sich ausbildendem Lichtbogen;
- Fig. 3
- eine Ansicht wie Fig. 2, jedoch mit vollständig geöffnetem Schalter;
- Fig. 4
- in einer Ansicht wie Fig. 1 ein zweites Ausführungsbeispiel des neuen Schalters;
- Fig. 5
- den Schalter aus Fig. 4 in geöffnetem Zustand; und
- Fig. 6
- eine Draufsicht auf das Schaltwerk des Schalters aus Fig. 1 ohne Gehäuseteile.
Claims (8)
- Schalter mit einem temperaturabhängigen Schaltwerk (11), das ein festes Kontaktteil (26), ein damit zusammenwirkendes bewegliches Kontaktteil (25) sowie ein eine vorbestimmte Funktionslebensdauer aufweisendes Bimetallteil (23) umfaßt, das in Abhängigkeit von seiner Temperatur das bewegliche Kontaktteil (25) von dem festen Kontaktteil (26) abhebt, wobei die beiden Kontaktteile (25, 26) in einer ersten Schaltstellung miteinander in Anlage sind, um einen durch den Schalter (10) zu leitenden Strom (40) zu führen, und in einer zweiten Schaltstellung voneinander abgehoben sind, so daß der Schalter (10) geöffnet ist,
dadurch gekennzeichnet, daß die beiden Kontaktteile (25, 26) derart aufeinander abgestimmt und angeordnet sind, daß das Bimetallteil (23) durch einen sich bei Erreichen der Funktionslebensdauer des Bimetallteiles (23) ausbildenden und von dem beweglichen kontaktteil (25) auf das stromführende Bimetallteil (23) abgelenkten Lichtbogen (31) an einem stromführenden Teil (17; 16) des Schalters (10) in der zweiten Schaltstellung verschweißt wird. - Schalter nach Anspruch 1, der mit einer mit dem festen Kontaktteil (26) verbundenen ersten Anschlußelektrode (15) sowie mit einer mit dem beweglichen Kontaktteil (25) verbundenen zweiten Anschlußelektrode (16) versehen ist, dadurch gekennzeichnet, daß das Bimetallteil (23) mit der zweiten Anschlußelektrode (16) verbunden und in der zweiten Schaltstellung an der zweiten Anschlußelektrode.(16) anliegt und mit dieser verschweißt wird, wenn sich bei Erreichen der Funktionslebensdauer des Bimetallteiles (23) infolge dessen Ermüdung ein Lichtbogen (31) ausbildet.
- Schalter nach Anspruch 1, der mit einer mit dem festen Kontaktteil (26) verbundenen ersten Anschlußelektrode (15) sowie einer mit dem beweglichen Kontaktteil (25) verbundenen zweiten Anschlußelektrode (16) versehen ist, dadurch gekennzeichnet, daß das Schaltwerk (11) ein Federelement (17) aufweist, das an seinem ersten Ende (18) mit der zweiten Anschlußelektrode (16) und an seinem zweiten Ende (19) mit dem Bimetallteil (23) verbunden ist, das an seinem freien Ende (24) das bewegliche Kontaktteil (25) trägt.
- Schalter nach Anspruch 3, dadurch gekennzeichnet, daß das Federelement (17) und das Bimetallteil (23) mechanisch derart parallel zueinander angeordnet sind, daß sie sich zur selben Seite von ihrer Verbindung (21) miteinander erstrecken.
- Schalter nach Anspruch 4, dadurch gekennzeichnet, daß das Bimetallteil (23) in der zweiten Schaltstellung an dem Federelement (17) anliegt und mit diesem verschweißt wird, wenn die Funktionslebensdauer des Bimetallteiles (23) erreicht ist, so daß sich beim Öffnen des Schalters (10) ein Lichtbogen (31) ausbildet.
- Schalter nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das feste und das bewegliche Kontaktteil (25, 26) vorzugsweise im Querschnitt unterschiedliche Geometrien aufweisen.
- Schalter nach Anspruch 6, dadurch gekennzeichnet, daß eines der beiden Kontaktteile (25, 26) im Querschnitt annähernd kreisförmig und das andere annähernd rechteckig ist.
- Schalter nach Anspruch 7, dadurch gekennzeichnet, daß das feste Kontaktteil (26) im Querschnitt kreisförmig und das bewegliche Kontaktteil (25) im Querschnitt quadratisch ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19909059 | 1999-03-02 | ||
DE19909059A DE19909059C2 (de) | 1999-03-02 | 1999-03-02 | Schalter mit Verschweißsicherung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1033732A2 EP1033732A2 (de) | 2000-09-06 |
EP1033732A3 EP1033732A3 (de) | 2002-06-19 |
EP1033732B1 true EP1033732B1 (de) | 2004-06-09 |
Family
ID=7899409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99124508A Expired - Lifetime EP1033732B1 (de) | 1999-03-02 | 1999-12-09 | Schalter mit Verschweisssicherung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6448883B1 (de) |
EP (1) | EP1033732B1 (de) |
AT (1) | ATE268937T1 (de) |
DE (2) | DE19909059C2 (de) |
ES (1) | ES2221294T3 (de) |
PT (1) | PT1033732E (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3828476B2 (ja) | 2002-10-15 | 2006-10-04 | 株式会社センサータ・テクノロジーズジャパン | 無通電式密閉型モータプロテクタ |
US8754773B1 (en) * | 2004-02-21 | 2014-06-17 | Lee Von Gunten | Device for simulating human activity in an unoccupied dwelling |
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 |
CN103560048A (zh) * | 2013-11-20 | 2014-02-05 | 威海双丰韩柏温度智能控制有限公司 | 双触点温控器 |
JP6979127B2 (ja) * | 2018-05-30 | 2021-12-08 | ボーンズ株式会社 | ブレーカー、安全回路及び2次電池パック |
KR102469819B1 (ko) * | 2018-11-12 | 2022-11-21 | 주식회사 엘지에너지솔루션 | 과충전 방지가 가능한 구조를 갖는 배터리 팩 및 이를 포함하는 자동차 |
JP2023046692A (ja) * | 2021-09-24 | 2023-04-05 | Littelfuseジャパン合同会社 | 保護デバイス |
DE102023102301B3 (de) | 2023-01-31 | 2024-03-28 | Marcel P. HOFSAESS | Temperaturabhängiger Schalter und Verfahren zu dessen Herstellung |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2139921A (en) * | 1938-06-07 | 1938-12-13 | Chace Co W M | Snap acting thermostat |
US3443259A (en) * | 1967-05-16 | 1969-05-06 | Portage Electric Prod Inc | Creepless snap-acting thermostatic switch |
US3959762A (en) * | 1974-12-09 | 1976-05-25 | Texas Instruments Incorporated | Thermally responsive electrical switch |
EP0000807B1 (de) * | 1977-07-13 | 1982-01-06 | Ranco Incorporated | Schnappschalter kombiniert mit einem Hilfsschalter |
JPS54150678A (en) * | 1978-05-19 | 1979-11-27 | Tetsuo Takano | Square electric contact |
US4389630A (en) * | 1980-03-15 | 1983-06-21 | Susumu Ubukatu | Snap action thermally responsive switch |
US4363016A (en) * | 1981-06-03 | 1982-12-07 | Amf Incorporated | Circuit breaker |
US4399423A (en) * | 1982-03-29 | 1983-08-16 | Texas Instruments Incorporated | Miniature electric circuit protector |
US4636766A (en) * | 1983-09-19 | 1987-01-13 | Gte Products Corporation | Miniaturized circuit breaker |
US4620175A (en) * | 1985-10-11 | 1986-10-28 | North American Philips Corporation | Simple thermostat for dip mounting |
JPH01120719A (ja) * | 1987-11-04 | 1989-05-12 | Nec Corp | 導電液体接点スイッチ |
JPH05282977A (ja) * | 1992-03-30 | 1993-10-29 | Texas Instr Japan Ltd | 過電流保護装置 |
JP2827079B2 (ja) * | 1994-02-01 | 1998-11-18 | 株式会社生方製作所 | サーマルプロテクタ |
US5781097A (en) * | 1996-03-01 | 1998-07-14 | Portage Electric Products, Inc. | Dual calibration thermostatic switch having a wide operating range |
DE19636640C2 (de) * | 1996-09-10 | 1999-02-18 | Marcel Hofsaes | Schalter mit einem Sicherheitselement |
US6097274A (en) * | 1998-02-23 | 2000-08-01 | Hofsaess; Marcel | Switch having a temperature-dependent switching member and a substantially temperature-independent spring element |
US6191680B1 (en) * | 1998-02-23 | 2001-02-20 | HOFSäSS MARCEL | Switch having a safety element |
DE19807288C2 (de) * | 1998-02-23 | 2001-09-20 | Marcel Hofsaes | Temperaturabhängiger Schalter |
DE19816807C2 (de) * | 1998-04-16 | 2000-06-08 | Thermik Geraetebau Gmbh | Temperaturabhängiger Schalter |
DE19816809C2 (de) * | 1998-04-16 | 2001-10-18 | Thermik Geraetebau Gmbh | Temperaturabhängiger Schalter |
DE19847208C2 (de) * | 1998-10-13 | 2002-05-16 | Marcel Hofsaes | Schalter mit einem Isolierstoffträger |
-
1999
- 1999-03-02 DE DE19909059A patent/DE19909059C2/de not_active Expired - Fee Related
- 1999-12-09 DE DE59909688T patent/DE59909688D1/de not_active Expired - Lifetime
- 1999-12-09 ES ES99124508T patent/ES2221294T3/es not_active Expired - Lifetime
- 1999-12-09 EP EP99124508A patent/EP1033732B1/de not_active Expired - Lifetime
- 1999-12-09 PT PT99124508T patent/PT1033732E/pt unknown
- 1999-12-09 AT AT99124508T patent/ATE268937T1/de not_active IP Right Cessation
-
2000
- 2000-03-01 US US09/516,392 patent/US6448883B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6448883B1 (en) | 2002-09-10 |
DE19909059A1 (de) | 2000-09-21 |
PT1033732E (pt) | 2004-10-29 |
EP1033732A2 (de) | 2000-09-06 |
DE19909059C2 (de) | 2003-10-16 |
ATE268937T1 (de) | 2004-06-15 |
DE59909688D1 (de) | 2004-07-15 |
EP1033732A3 (de) | 2002-06-19 |
ES2221294T3 (es) | 2004-12-16 |
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