EP0273797A1 - Elektrischer Schalter - Google Patents

Elektrischer Schalter Download PDF

Info

Publication number
EP0273797A1
EP0273797A1 EP87402690A EP87402690A EP0273797A1 EP 0273797 A1 EP0273797 A1 EP 0273797A1 EP 87402690 A EP87402690 A EP 87402690A EP 87402690 A EP87402690 A EP 87402690A EP 0273797 A1 EP0273797 A1 EP 0273797A1
Authority
EP
European Patent Office
Prior art keywords
pallet
contact
tilting
blade
boss
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
EP87402690A
Other languages
English (en)
French (fr)
Other versions
EP0273797B1 (de
Inventor
Jack Marchesseau
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.)
GERARD MANG SA
Etablissements Gerard Mang SAS
Original Assignee
GERARD MANG SA
Etablissements Gerard Mang SAS
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 GERARD MANG SA, Etablissements Gerard Mang SAS filed Critical GERARD MANG SA
Priority to AT87402690T priority Critical patent/ATE85154T1/de
Publication of EP0273797A1 publication Critical patent/EP0273797A1/de
Application granted granted Critical
Publication of EP0273797B1 publication Critical patent/EP0273797B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5833—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal

Definitions

  • the present invention relates to electrical switches of the type comprising a tilting connecting pallet, the free end of which is applied, in the closed position, against a fixed contact part.
  • the tilting of this connecting pallet is generally controlled by a pressure finger carried by an operating lever intended to be actuated by the user.
  • the invention is in no way limited to manually operated switches. In fact, it concerns all the switches of the general type defined above, whatever their control mode, and in particular the electromagnetic contactors or relays meeting the definition in question. In the remainder of this description, the term "switch" therefore includes all types of apparatus comprising a contact interruption mechanism of the type in question.
  • the power cut therefore takes place between copper or copper alloy parts.
  • the operating life of such devices is relatively limited because the cutting and closing arcs rapidly oxidize and blacken the contact surfaces. Therefore the contact resistance is not long not increase, which causes significant heating of the contact parts, which often results in the melting of the switch body or that of the control lever.
  • DE 143.003 proposed a breaking device arranged so that the establishment and the breaking of the current occur at the same point, which is different from the main contact point, in order to protect the latter against erosion and oxidation due to opening and closing arcs.
  • two separate fixed contacts are provided, intended to serve respectively as a transient contact and as main contact.
  • the movable contact it consists of a finger mounted articulated on the end of a pivoting arm whose rotation, in one direction or the other, causes the closure or separation of the contacts.
  • the articulated finger is subjected to the action of a spring which tends to hold it in the extension of the rotary arm, however allowing its pivoting after it has come to bear against the transient fixed contact, which allows it to come next. resting only against the main fixed contact, when the rotary arm continues to move.
  • the present invention aims to achieve a low cost switch, devoid of any silver or silver contact, and whose design is such that it nevertheless has a considerably greater longevity than switches of the same kind and this, thanks to a very simple arrangement allowing the establishment of the main contact of connection in a point different from that where both the establishment and the breaking of the current.
  • the subject of the invention is an electric switch comprising a movable contact actuated by a control member so that the initial establishment of the flow of the current and the subsequent rupture of the latter, take place at a point different from that where the electrical connection to be made is established, characterized in that the movable contact being constituted by a tilting connecting pallet, the free end of which is applied, in the closed position, against a blade serving as a fixed contact, provision is made, at a point clearly separated from this end, either on this pallet itself, or on the fixed contact blade, a boss or other relief, and the arrangement is such that during the tilting of the pallet in the closing direction , the contact is established first at the location of this boss, then also at the end of this pallet, and finally only at the end of it, while during a tilting in the direction of opening there is a process inverse, the separation of the contacts taking place at the end of the boss or other relief provided either on the tilting pallet or on the fixed contact blade and which constitutes a transient contact located at a
  • the closing and the cutting actually take place at a point different from that or is made the final contact of the connecting parts. This therefore prevents the cutting and closing arcs from oxidizing the surfaces or making normal contact with these parts. Furthermore, the arrangement provided has the advantage that there is, between the two contact zones, a clearance allowing easier extension of the cutting and closing arcs.
  • the tilting connecting pallet in which the tilting connecting pallet is actuated by a pressure finger sliding on this pallet on either side of its axis of articulation, the latter s hinges on the bent end of an elastic metal blade secured to the corresponding terminal of the device and the arrangement is such that during the movement of the pressure finger, in one direction or the other, the bent end of the elastic blade is caused to move approximately in a plane perpendicular to that passing through the base of this elastic blade and the surface of the fixed contact piece.
  • the switch shown in Figure 1 includes a tilting pallet 1 connection, made of copper or other suitable metal. At one of its ends 2, this pallet is mounted articulated on the corresponding end 3 of an elastic metal blade 4 preferably made of copper or copper alloy, secured to one of the terminals 5 of the device.
  • the opposite end 9 of the connecting pallet is intended to come into contact with a fixed conductive strip 10, preferably made of copper or a copper alloy, integral with the other terminal 11 of the device and this, during the closing of it. On the other hand, when the end 9 of this pallet is opened, it is kept apart from the fixed blade 10.
  • the flexible blade 4 and the fixed contact blade 10 are situated substantially in the same plane.
  • the desired movements of the connecting pallet are controlled by a pressure finger 12 which is intended to slide on top of the latter on either side of its axis of articulation X-X ⁇ .
  • this pressure finger is integral with an operating lever 13 capable of being actuated manually by the user of the device.
  • the pressure finger 12 and this lever can advantageously be constituted by a molded piece in one piece comprising lateral pins 14 which materialize an axis of articulation Y-Y ⁇ on the housing of the device.
  • the lever-pallet assembly can occupy two extremely stable positions, namely: a contact opening position which is shown in FIG. 3 and in which the pressing finger 12 bears against the end 2 of the pallet 1 to keep the opposite end of the latter apart from the contact blade 10, - A closed position of the contacts which is shown in Figure 6 and in which the pressing finger 12 is pressed against the pallet 1 at a point located beyond the axis X-X ⁇ of tilting thereof.
  • the pallet 1 has, at a certain distance from its end 9, a boss 15 projecting in the direction of the contact blade 10. The position of this boss is clearly separated from that of the end portion of the end 9.
  • This boss can be materialized by a camber of the pallet 1, this camber affecting the shape of a portion of cylinder.
  • the kinematics of the various moving parts is such that when the pallet 1 is tilted towards its closed position, the latter passes through an intermediate position shown in FIG. 4 and in which the boss 15 thus provided is brought to the contact of the connecting blade 10, while the end 9 of the pallet is not yet. Consequently, a first electrical connection is established at the location of the corresponding zones of the pallet 1 and of the blade 10. It should be noted that in this position, the axis A-A ⁇ of the pressure finger 12 coincides with the plane B-B ⁇ containing the axis of articulation of the pallet and the axis of articulation of the operating lever, which is perpendicular to the plane passing through the base of the flexible blade 4 and of the contact blade 10.
  • the switch according to the invention has a longevity considerably greater than that of current switches of the same kind. This is essentially due to the fact that in the case of the present switch, there is a transient connection contact in addition to the final contact and that the latter takes place at a point other than the transient contact.
  • this transient contact is materialized by a boss provided on the tilting pallet 1 of connection.
  • it could just as easily be provided on the fixed contact part against which this pallet is applied.
  • FIG. 7 represents an embodiment in which the corresponding tilting pallet 1a is perfectly flat, while the fixed blade 10a has at the end a bent part 17a projecting in the direction of this pallet.
  • This bent part is located some distance from the part terminal of the end 9 of the pallet 1a and it is intended to materialize the transient contact provided in this embodiment.
  • FIG. 8 represents a variant of this embodiment.
  • the corresponding tilting pallet 1a is also of flat shape.
  • the fixed blade 10b it has a bent portion 10b similar to that provided in the case of Figure 17b. However there is at this location an opening 18 which has the function of further facilitating the expansion of the cutting arc to avoid any soiling of the area of the final contact.
  • the shape of the boss or other relief serving as a transient contact, either on the connecting pallet or on the fixed contact piece, could be different from that previously provided.
  • the switch according to the invention is not limited to a device with manual control of the type described above, because it can just as easily consist of a device actuated by another control mode , for example an electromagnetic relay.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Contacts (AREA)
  • Saccharide Compounds (AREA)
  • Glass Compositions (AREA)
  • Relay Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Fixing For Electrophotography (AREA)
  • Mechanisms For Operating Contacts (AREA)
EP87402690A 1986-12-23 1987-11-27 Elektrischer Schalter Expired - Lifetime EP0273797B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87402690T ATE85154T1 (de) 1986-12-23 1987-11-27 Elektrischer schalter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8618068 1986-12-23
FR8618068A FR2608831B1 (fr) 1986-12-23 1986-12-23 Interrupteur electrique

Publications (2)

Publication Number Publication Date
EP0273797A1 true EP0273797A1 (de) 1988-07-06
EP0273797B1 EP0273797B1 (de) 1993-01-27

Family

ID=9342228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87402690A Expired - Lifetime EP0273797B1 (de) 1986-12-23 1987-11-27 Elektrischer Schalter

Country Status (4)

Country Link
EP (1) EP0273797B1 (de)
AT (1) ATE85154T1 (de)
DE (1) DE3783899D1 (de)
FR (1) FR2608831B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT238608Y1 (it) * 1995-03-09 2000-11-13 Fly S R L Struttura di interruttore e deviatore uni o bipolare

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE143003C (de) * 1902-04-02 1903-08-01 Siemens Ag Elektrischer schalter mit festem hülfskontakt zur aufnahme des öffnungsfunkens
FR642678A (fr) * 1927-03-22 1928-09-01 L App Electr Ind C H Cheveau E Dispositif de contact électrique et ses applications
FR1598759A (de) * 1968-07-08 1970-07-06
DE1615735A1 (de) * 1967-04-26 1971-02-25 Bbc Brown Boveri & Cie Elektrisches Schaltgeraet mit einem ein Betaetigungsglied,z.B. manuell oder elektromagnetisch,bewegbaren starren Kontakthebel
US4045650A (en) * 1976-01-29 1977-08-30 General Motors Corporation Jumper touch sensor current switching device
GB2170049A (en) * 1985-01-19 1986-07-23 Ashley Accessories Ltd Moving contact assemblies for switched mains electrical accessories

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE143003C (de) * 1902-04-02 1903-08-01 Siemens Ag Elektrischer schalter mit festem hülfskontakt zur aufnahme des öffnungsfunkens
FR642678A (fr) * 1927-03-22 1928-09-01 L App Electr Ind C H Cheveau E Dispositif de contact électrique et ses applications
DE1615735A1 (de) * 1967-04-26 1971-02-25 Bbc Brown Boveri & Cie Elektrisches Schaltgeraet mit einem ein Betaetigungsglied,z.B. manuell oder elektromagnetisch,bewegbaren starren Kontakthebel
FR1598759A (de) * 1968-07-08 1970-07-06
US4045650A (en) * 1976-01-29 1977-08-30 General Motors Corporation Jumper touch sensor current switching device
GB2170049A (en) * 1985-01-19 1986-07-23 Ashley Accessories Ltd Moving contact assemblies for switched mains electrical accessories

Also Published As

Publication number Publication date
FR2608831A1 (fr) 1988-06-24
ATE85154T1 (de) 1993-02-15
EP0273797B1 (de) 1993-01-27
DE3783899D1 (de) 1993-03-11
FR2608831B1 (fr) 1993-05-21

Similar Documents

Publication Publication Date Title
FR2613124A1 (fr) Element de commutation a bilame et dispositif de fermeture pour appareil menager en faisant application
FR2597658A1 (fr) Commutateur miniature a rupture brusque
EP0273797B1 (de) Elektrischer Schalter
WO1988008614A1 (fr) Appareil interrupteur de protection a mecanisme de declenchement simplifie
EP0209433B1 (de) Kontaktträger, insbesondere für Schutzschalter
BE1004453A7 (fr) Commutateur supplementaire a monter sur un commutateur de protection de conducteur.
EP1505619B1 (de) Verbessertes Schlossmechanismus für Schutzschalter und Schutzschalter mit solchem Schloss
EP1296342B1 (de) Trennschalter mit Sicherung mit einem Sicherungshalter und einem Bedienelement für eine Sicherungsschaltung
EP0218497B1 (de) Schutzschalter mit federnder Lasche
EP0194938B1 (de) Parklicht- und Fahrrichtungsblinkschalteinrichtung für Kraftfahrzeuge
EP0271366B1 (de) Ferngesteuerter Schalter mit einem Hilfsumschalter in dessen Ansteuerschaltung
EP0373018B1 (de) Handbetätigter Mechanismus für schnelle Unterbrechung für elektrische Schalter
FR2596917A3 (fr) Commutateur de securite basse tension avec disjoncteur a minimum de tension incorpore
FR2886757A1 (fr) Dispositif de commande a levier basculant, de debattement angulaire reduit
EP0921547A1 (de) Elektrischer Schalter
FR2530072A1 (fr) Dispositif commutateur, notamment disjoncteur du type a enclenchement par enfoncement puis relachement d'un bouton-poussoir et a declenchement par la deformation d'une lame bimetallique
EP0327460A1 (de) Elektrischer Schalter mit automatischer Ausschaltung, insbesondere Differentialschutz
EP0224402A1 (de) Schnappschalter
FR2793067A1 (fr) Commutateur electrique multiple a organe d'actionnement unique
FR2735613A1 (fr) Perfectionnement aux contacteurs electriques
EP1197982A1 (de) Elektrische und mechanische Verriegelungsvorrichtung zur Kupplung an zwei Schütze zwecks Vermeidung gleichzeitiger Schliessung
FR2582444A1 (fr) Mecanisme de declenchement pour appareils electriques
EP0515269A1 (de) Elektrischer Schnappschalter und aus mehreren Abteilen bestehende Schalteinheit
FR2584231A1 (fr) Commutateur electrique a bouton poussoir notamment pour equipement electrique de vehicule automobile
FR2480992A1 (fr) Mecanisme de basculement pour commutateur electrique et commutateur comportant un tel mecanisme

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE ES GB IT LI NL SE

17P Request for examination filed

Effective date: 19881221

17Q First examination report despatched

Effective date: 19910612

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE ES GB IT LI NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19930127

Ref country code: DE

Effective date: 19930127

Ref country code: AT

Effective date: 19930127

Ref country code: SE

Effective date: 19930127

REF Corresponds to:

Ref document number: 85154

Country of ref document: AT

Date of ref document: 19930215

Kind code of ref document: T

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19930209

REF Corresponds to:

Ref document number: 3783899

Country of ref document: DE

Date of ref document: 19930311

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19930508

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19931117

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19931126

Year of fee payment: 7

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19931201

Year of fee payment: 7

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19941127

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Effective date: 19941130

Ref country code: LI

Effective date: 19941130

Ref country code: BE

Effective date: 19941130

BERE Be: lapsed

Owner name: S.A. GERARD MANG

Effective date: 19941130

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19941127

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19981130

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000601

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20000601