EP0828276B1 - Thermischer Überlastschutz - Google Patents
Thermischer Überlastschutz Download PDFInfo
- Publication number
- EP0828276B1 EP0828276B1 EP97114850A EP97114850A EP0828276B1 EP 0828276 B1 EP0828276 B1 EP 0828276B1 EP 97114850 A EP97114850 A EP 97114850A EP 97114850 A EP97114850 A EP 97114850A EP 0828276 B1 EP0828276 B1 EP 0828276B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier
- protection device
- overload
- signalling
- clamping
- 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
- 230000037431 insertion Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000011664 signaling Effects 0.000 claims 8
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- 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
- H01H71/08—Terminals; Connections
- H01H2071/084—Terminals; Connections specially adapted for avoiding decalibration of trip unit, e.g. bimetal, when fixing conductor wire to connector
-
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0214—Housing or casing lateral walls containing guiding grooves or special mounting facilities
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
- H01H83/223—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with bimetal elements
Definitions
- the invention relates to an overload detection and / or overload protection device with one attached in a housing electrically conductive support for a bimetallic release.
- overload detection and / or overload protection devices are known through devices on the market which the carrier of the bimetal release by screw, rivet or Adhesive connections are attached to the housing. adversely with all types of attachment is that by setting effects of Plastic housing part of the original pre-load these types of fortifications are lost.
- Document EP 0 243 647A discloses a device according to the preamble of claim 1.
- the invention has for its object in reducing the Installation time of the carrier of a bimetallic release is at least one connection as good as with previous fasteners to obtain.
- the problem is solved according to the invention in that the carrier in opposite grooves on the housing in the form of a clamp connection is pressed. This reduces the assembly effort and it is at least as good a connection of the Carrier created with the housing, also by external Load, e.g. B. at the terminal, and set effects of Plastic housing retains its original tight fit.
- external Load e.g. B. at the terminal
- Fig. 1 and Fig. 2 shows the thermoplastic housing Heating chamber 1 of such a protective device, in each Phase a bimetallic release with carrier according to Fig. 4 pressed is.
- the axial insertion depth of the carrier 2 is thereby injection point 3 of the clamp connection 4 determined on the housing of the heating chamber 1.
- the protective device has two opposite ones per phase Grooves 5, which are a defined undersize with respect to Width (anchor point 6 to opposite anchor point 6) and the material thickness 7 of the carrier 2 so as to to get a better tight fit.
- the carrier 4 provide clamp connections of the chamfered clamping tabs 8 of the clamping leg 9 in pockets of the housing 10 for additional stability.
- These clamping legs 9 are parallel to the carrier wrapped with bimetallic strip 11, second carrier 2 according to FIG. 5 without clamping legs are used if none Load on the beam 2 in the form of parasitic torsional moments on the part of the terminal connection 4 and / or the bimetallic release (Fig. 4 or 5) occur.
Landscapes
- Thermally Actuated Switches (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Clamps And Clips (AREA)
Description
- Fig. 1
- perspektivische Darstellung des Gehäuses mit eingepreßten Trägern der Bimetallauslöser,
- Fig. 2
- Frontansicht des offenen Gehäuses mit eingepreßten Trägern der Bimetallauslöser,
- Fig. 3
- Schnitt I-I der Frontansicht Fig. 2 und
- Fig. 4 und 5
- Ausführungsbeispiele der Träger mit ihren Bimetallstreifen.
Claims (8)
- Überlastmelde- und/oder Schutzeinrichtung, mit einem in einem Gehäuse befestigten elektrisch leitfähigen Träger eines Bimetallauslösers, dadurch gekennzeichnet, dass der Träger (2) im Gehäuse in gegenüberliegende Nuten (5) am Gehäuse (1) in Form einer Klemmverbindung eingepresst ist.
- Überlastmelde- und/oder Schutzeinrichtung nach einem der vorliegenden Ansprüche, dadurch gekennzeichnet, daß auf einer Seite des Trägers (2) mindestens eine an der betreffenden Nutwand (13) anliegende Anlagestelle (6) und an der anderen Seite mindestens zwei in Längsachsrichtung des Trägers (2) voneinander beabstandete, an der betreffenden Nutwand (13) anliegende Anlagestellen (6) existieren.
- Überlastmelde- und/oder Schutzeinrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Träger (2) mindestens einen in einer parallelen Ebene zum mit Bimetallstreifen (1) umwickelten Teil des Trägers abgebogenen Klemmschenkel (9) aufweist.
- Überlastmelde- und/oder Schutzeinrichtung nach Anspruch 3, dadurch gekennzeichnet, daß mindestens ein Klemmschenkel (9) mindestens eine Klemmlasche (8) aufweist.
- Überlastmelde- und/oder Schutzeinrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Klemmlaschen (8) und/oder die Anlagepunkte (6) des Trägers (2) in Einschubrichtung des Trägers (2) angefast sind.
- Überlastmelde- und/oder Schutzeinrichtung nach Anspruch 2 und 5, dadurch gekennzeichnet, daß die axiale Begrenzung der Einschubtiefe durch die Länge des Nutschlitzes (5) festgelegt ist.
- Überlastmelde- und/oder Schutzeinrichtung nach Anspruch 2 und 5, dadurch gekennzeichnet, daß die axiale Begrenzung der Einschubtiefe durch einen Anschlagpunkt (3) des Klemmanschlusses (4) am Gehäuse festgelegt ist.
- Überlastmelde- und/oder Schutzeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Träger (2) eine mehrfach taillierte Form (12) aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19636562 | 1996-09-09 | ||
DE19636562A DE19636562B4 (de) | 1996-09-09 | 1996-09-09 | Thermischer Überlastschutz |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0828276A2 EP0828276A2 (de) | 1998-03-11 |
EP0828276A3 EP0828276A3 (de) | 1998-10-14 |
EP0828276B1 true EP0828276B1 (de) | 2003-11-05 |
Family
ID=7805047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97114850A Expired - Lifetime EP0828276B1 (de) | 1996-09-09 | 1997-08-27 | Thermischer Überlastschutz |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0828276B1 (de) |
CN (1) | CN1068969C (de) |
DE (2) | DE19636562B4 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10036350C2 (de) * | 2000-07-26 | 2002-06-06 | Moeller Gmbh | Leistungsschalter mit thermomagnetischer Auslöseeinrichtung |
DE102008062528B4 (de) * | 2008-12-16 | 2020-07-02 | Abb Schweiz Ag | Thermische Überlastschutzeinrichtung und Bimetallauslöserbaugruppe |
CN103295837B (zh) * | 2013-06-18 | 2015-04-29 | 陈永龙 | 双极双控温控器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1638001A1 (de) * | 1968-03-05 | 1971-01-21 | Voigt & Haeffner Gmbh | Thermischer Ausloeser |
DE2532734C3 (de) * | 1975-07-22 | 1981-04-16 | Schulte-Elektrotechnik GmbH & Co KG, 5880 Lüdenscheid | Mehrpoliger Druckschalter mit thermischer Überstromauslösung |
CH662211A5 (de) * | 1982-03-22 | 1987-09-15 | Sprecher & Schuh Ag | Verfahren zum herstellen eines mehrphasigen thermischen ausloesers sowie ein nach diesem verfahren hergestellter ausloeser. |
DE3764853D1 (de) * | 1986-04-07 | 1990-10-18 | Sprecher & Schuh Ag | Schutzschalter mit thermischer ueberstromausloesung. |
JPS6365936U (de) * | 1986-10-17 | 1988-04-30 | ||
DE3921511C1 (en) * | 1989-06-30 | 1990-10-04 | Tripus-Kunststoffteile Gmbh, 8870 Guenzburg, De | Thermal overcurrent relay protecting AC appts. - has slide operated by bimetal unit heated by working current |
DE4202049C1 (de) * | 1992-01-27 | 1993-10-07 | Kloeckner Moeller Gmbh | Thermischer Auslöser für elektrische Schaltgeräte |
FR2722331B1 (fr) * | 1994-07-08 | 1996-09-27 | Legrand Sa | Sous-ensemble thermique pour disjoncteur |
-
1996
- 1996-09-09 DE DE19636562A patent/DE19636562B4/de not_active Expired - Fee Related
-
1997
- 1997-08-14 CN CN97117374A patent/CN1068969C/zh not_active Expired - Lifetime
- 1997-08-27 DE DE59710950T patent/DE59710950D1/de not_active Expired - Lifetime
- 1997-08-27 EP EP97114850A patent/EP0828276B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0828276A2 (de) | 1998-03-11 |
EP0828276A3 (de) | 1998-10-14 |
DE19636562B4 (de) | 2004-08-26 |
DE19636562A1 (de) | 1998-03-12 |
DE59710950D1 (de) | 2003-12-11 |
CN1176476A (zh) | 1998-03-18 |
CN1068969C (zh) | 2001-07-25 |
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