EP1858038A2 - Relais doté d'un renforcement de la force de contact - Google Patents

Relais doté d'un renforcement de la force de contact Download PDF

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Publication number
EP1858038A2
EP1858038A2 EP07008491A EP07008491A EP1858038A2 EP 1858038 A2 EP1858038 A2 EP 1858038A2 EP 07008491 A EP07008491 A EP 07008491A EP 07008491 A EP07008491 A EP 07008491A EP 1858038 A2 EP1858038 A2 EP 1858038A2
Authority
EP
European Patent Office
Prior art keywords
relay
contact spring
line
contact
spring
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
EP07008491A
Other languages
German (de)
English (en)
Other versions
EP1858038A3 (fr
EP1858038B1 (fr
Inventor
Rainer Schmelz
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.)
Gruner AG
Original Assignee
Gruner 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 Gruner AG filed Critical Gruner AG
Priority to PL07008491T priority Critical patent/PL1858038T3/pl
Publication of EP1858038A2 publication Critical patent/EP1858038A2/fr
Publication of EP1858038A3 publication Critical patent/EP1858038A3/fr
Application granted granted Critical
Publication of EP1858038B1 publication Critical patent/EP1858038B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/56—Contact spring sets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
    • H01H50/642—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement intermediate part being generally a slide plate, e.g. a card
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2227—Polarised relays in which the movable part comprises at least one permanent magnet, sandwiched between pole-plates, each forming an active air-gap with parts of the stationary magnetic circuit

Definitions

  • the invention relates to a relay with a guided through a relay housing double line, one, first line has at least one movable contact element which closes the circuit of the first line in a first relay position and interrupts in a second relay position, and the other, second line formed continuously is, as well as a relay arrangement with several such relays.
  • Such a relay and such a relay arrangement are for example by the US 2006/0066425 A1 known.
  • the contact element is designed as a contact spring and that the second line is substantially parallel to the contact spring and before the spring surface.
  • the contact force with which the contact spring bears against the associated relay contact is supported by the magnetic repulsion force exerted by the magnetic field of the through-flow line through which the contact spring flows in the opposite direction.
  • This magnetic contact force is greater, the higher the current intensity and the smaller the distance between the continuous line and the contact spring 10.
  • the second line is formed at least in the region of the contact spring as a flat cable and facing with its one surface side of the spring surface of the contact spring.
  • the two lines are preferably flat cables, which are outside the area of the contact spring with their edges facing each other.
  • each of the two lines preferably has connection ends on both sides of the relay housing.
  • the contact spring is coupled for movement with the actuating element of the magnetic drive in the opening and / or closing direction of the contact spring, wherein the actuating element can advantageously be displaceably guided in one, preferably in both lines of the double line.
  • the invention also relates to a relay arrangement having a plurality of, preferably three, relays constructed as above and having a common drive, preferably a magnetic drive, for simultaneously deflecting the contact springs of the plurality of relays.
  • the relay arrangement is used in particular in conjunction with electricity meters to disconnect consumers from the grid, and can be retrofitted as an option to existing electricity meters.
  • the two lines of each double line are connected together in the electricity meter to evaluate the power consumption.
  • the actuator of the common drive in one, preferably guided in two lines each of the plurality of relays displaceable.
  • the relay assembly 1 shown in Fig. 1 is used for interrupting a three-phase circuit, and for this purpose comprises three juxtaposed relay 2, each having a through a common relay housing 3 guided through the double pipe 4 and a common solenoid-operated mechanism 5 for the simultaneous actuation of the relay 2.
  • the two lines 6, 7 of the double line 4 are, as shown in Fig. 2 , designed as flat cables and each have on both sides of the relay housing 3 terminal ends.
  • the right in Fig. 2 flat cable 6 has two edgewise angled relay contacts 8, 9 and a circuit between the two relay contacts 8, 9 closing or interrupting contact spring 10 , which is designed as an electrically conductive leaf or flat spring.
  • the contact spring 10 is fixed at its one end electrically conductive on the relay contact 8, while their other, free end 11 carries a contact button 12 and by means of the magnetic drive 5 is deflected.
  • the contact spring 10 is deflected in the closed relay position shown in Fig.
  • the contact spring 10 is double-armed with two parallel free ends 11 and therefore designed with two contact buttons 12, which cooperate with two contact buttons 13 of the relay contact 9.
  • the contact spring 10 is formed as a multilayer leaf spring with a laterally projecting from its plane arc section 14 .
  • the left flat cable 7 in FIG. 2 is continuous and has an edgewise angled middle section 15 , the surface side of which runs essentially parallel to the spring surface 16 of the contact spring 10 and is arranged with the smallest possible distance in front of the spring surface 16. At their terminal ends, the two flat cables 6, 7 facing each other with their edges.
  • the magnetic drive 5 comprises a umpolbare magnetic coil 17 having a magnetic circuit, on the two yoke legs 18, an armature (armature rocker) 19 with a permanent magnet (not shown) is pivotally held.
  • the permanent magnet is arranged between two anchor plates 20 , which in the two Switch positions of the armature 19 each abut the yoke legs 18.
  • the magnet coil 17 and the pivotable between its two switching positions armature 19 form a H-anchor suit.
  • the armature 19 engages with a protruding arm 21 in an opening (not shown) of an actuating element 22 which is guided linearly displaceable in the deflection direction of the contact spring 10 (double arrow 23) .
  • the armature 19 is articulated on the adjusting element 22.
  • a leaf spring 24 (Fig. 2) made of spring steel is fixed, the free end engages together with the free end 11 of the contact spring 10 between two projections 25, 26 of the actuating element 22 and serves to reduce bounce.
  • the actuator 22 takes the projection 25, the contact spring 10 via its free end 11 immediately in the opening direction of the relay 1, ie in Fig. 1 to the left, and with the projection 26, the contact spring 10 by means of the leaf spring 24 in the closing direction of the relay 1, ie to the right, with.
  • the contact spring 10 is coupled for movement with the adjusting element 22 in the opening and closing direction.
  • the adjusting element 22 is in each case displaceably guided in guide openings 27 (FIG. 2) of the two lines 6, 7.
  • two continuous flat cables (neutral lines) 28, 29 are guided under the magnetic drive 5 through the relay housing 3.
  • the relay assembly 1 is connected to a three-phase electricity meter 30 and serves to disconnect consumers from the mains.
  • the power meter 30 has for each phase ("PHASE 1 - 3") and for a neutral conductor ("NEUTRAL") each have an input IN and an output OUT , which are connected to each other in the electricity meter 30 to evaluate the power consumption.
  • the lines 6, 7 of the relay arrangement 1 and the two neutral lines 28, 29 are respectively connected to the corresponding terminals IN and OUT of the electricity meter 30.
  • the magnetic field of the magnetic coil 17 is reversed, whereby the armature 19 is pivoted and the adjusting element 22 is displaced.
  • the actuating element 22 is displaced to the right by the arm 21 pivoted to the right, whereby the contact springs 10 of the relay 2 via their leaf springs 24 to the right until the contact buttons 12 deflected against the contact buttons 13 of the relay contact 9 are.
  • the leaf springs 24 of the deflection act the contact springs 10 in the opening direction, resulting in a bounce-reduced closing of the relay 2.
  • the actuator 22 is displaced to the right by the arm 21 pivoted to the left, whereby the contact springs 10 are taken from the actuator 22 and their contact buttons 12 are lifted from the contact buttons 13 of the relay contact 9.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Electromagnets (AREA)
EP07008491A 2006-05-15 2007-04-26 Relais doté d'un renforcement de la force de contact Active EP1858038B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07008491T PL1858038T3 (pl) 2006-05-15 2007-04-26 Przekaźnik ze wzmocnionym dociskiem styków

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006022912A DE102006022912A1 (de) 2006-05-15 2006-05-15 Relais mit Kontaktkraftverstärkung

Publications (3)

Publication Number Publication Date
EP1858038A2 true EP1858038A2 (fr) 2007-11-21
EP1858038A3 EP1858038A3 (fr) 2009-06-10
EP1858038B1 EP1858038B1 (fr) 2012-08-29

Family

ID=38331725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07008491A Active EP1858038B1 (fr) 2006-05-15 2007-04-26 Relais doté d'un renforcement de la force de contact

Country Status (3)

Country Link
EP (1) EP1858038B1 (fr)
DE (1) DE102006022912A1 (fr)
PL (1) PL1858038T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2385536A1 (fr) * 2010-05-04 2011-11-09 Tyco Electronics Corporation Dispositifs de commutation configurés pour contrôler les champs magnétiques afin de maintenir une connexion électrique
JP2019091725A (ja) * 2019-03-22 2019-06-13 富士通コンポーネント株式会社 電磁継電器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022625B (de) * 1954-04-09 1958-01-16 Deutsche Bundesbahn Relais, im besonderen fuer Eisenbahnsicherungseinrichtungen
US3419828A (en) * 1966-12-13 1968-12-31 Arrow Hart Inc Means proportional to magnetic flux to bias electric switch contacts closed
DE2027335A1 (de) * 1969-11-13 1971-05-19 Porqueddu A Kontaktanordnung fur hohe Strome
EP0471893A2 (fr) * 1990-08-21 1992-02-26 Siemens Aktiengesellschaft Jeu de ressorts de contact pour des courants électriques forts
DE10162585C1 (de) * 2001-12-19 2003-04-24 Gruner Ag Prellreduziertes Relais
US20060066425A1 (en) * 2004-09-29 2006-03-30 Gruner Klaus A Multi-phase electromagnetic relay assembly and motor assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH409056A (de) * 1964-06-01 1966-03-15 Standard Telephon & Radio Ag Vakuumschalter
DE1185742B (de) * 1962-08-20 1965-01-21 Siemens Ag Kontaktfedersatz
SE433687B (sv) * 1979-12-21 1984-06-04 Ericsson Telefon Ab L M Fjedergrupp for rele

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022625B (de) * 1954-04-09 1958-01-16 Deutsche Bundesbahn Relais, im besonderen fuer Eisenbahnsicherungseinrichtungen
US3419828A (en) * 1966-12-13 1968-12-31 Arrow Hart Inc Means proportional to magnetic flux to bias electric switch contacts closed
DE2027335A1 (de) * 1969-11-13 1971-05-19 Porqueddu A Kontaktanordnung fur hohe Strome
EP0471893A2 (fr) * 1990-08-21 1992-02-26 Siemens Aktiengesellschaft Jeu de ressorts de contact pour des courants électriques forts
DE10162585C1 (de) * 2001-12-19 2003-04-24 Gruner Ag Prellreduziertes Relais
US20060066425A1 (en) * 2004-09-29 2006-03-30 Gruner Klaus A Multi-phase electromagnetic relay assembly and motor assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2385536A1 (fr) * 2010-05-04 2011-11-09 Tyco Electronics Corporation Dispositifs de commutation configurés pour contrôler les champs magnétiques afin de maintenir une connexion électrique
US8330564B2 (en) 2010-05-04 2012-12-11 Tyco Electronics Corporation Switching devices configured to control magnetic fields to maintain an electrical connection
JP2019091725A (ja) * 2019-03-22 2019-06-13 富士通コンポーネント株式会社 電磁継電器

Also Published As

Publication number Publication date
DE102006022912A1 (de) 2007-11-22
EP1858038A3 (fr) 2009-06-10
PL1858038T3 (pl) 2013-01-31
EP1858038B1 (fr) 2012-08-29

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