EP0772050B1 - Verbesserungen in, oder in Verbindung mit, Schaltern eines Zählers - Google Patents

Verbesserungen in, oder in Verbindung mit, Schaltern eines Zählers Download PDF

Info

Publication number
EP0772050B1
EP0772050B1 EP96115905A EP96115905A EP0772050B1 EP 0772050 B1 EP0772050 B1 EP 0772050B1 EP 96115905 A EP96115905 A EP 96115905A EP 96115905 A EP96115905 A EP 96115905A EP 0772050 B1 EP0772050 B1 EP 0772050B1
Authority
EP
European Patent Office
Prior art keywords
meter
switch assembly
assembly according
terminal
switch
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
EP96115905A
Other languages
English (en)
French (fr)
Other versions
EP0772050A1 (de
Inventor
Neil Rothwell
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.)
Landis and Gyr Ltd
Original Assignee
Siemens Metering Ltd
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 Metering Ltd filed Critical Siemens Metering Ltd
Publication of EP0772050A1 publication Critical patent/EP0772050A1/de
Application granted granted Critical
Publication of EP0772050B1 publication Critical patent/EP0772050B1/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
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
    • 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
    • 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
    • H01H9/02—Bases, casings, or covers
    • H01H9/0271—Bases, casings, or covers structurally combining a switch and an electronic component

Definitions

  • This invention relates to electricity meter switches and to electricity meters which embody them.
  • Modular meters of the kind described as aforesaid comprise a basic meter module which includes a mains electricity isolating switch effective to isolate a consumer circuit from a supply circuit.
  • the switch may be manually operated and/or it may be operated by an actuator in an 'add-on' module, fitted to the basic module to extends its functionality.
  • the basic module may include for example a manually operated switch and be converted to a pre-payment meter by the addition of an 'add-on' module, which is arranged to receive electricity credit tokens and which includes a switch actuator operable automatically when credit is exhausted to cause the switch to disconnect a consumer from an electricity supply.
  • One object of this invention therefore is to satisfy these requirements.
  • GB-A-2,070,862 provides an electrical switch forming part of a relay.
  • the switch includes moving contacts and fixed contacts which are mounted on an angled contact bracket.
  • This contact bracket includes two laterally projecting connection arms defining a region therebetween which comprises a measuring resistor.
  • a switch assembly for an electricity meter, the switch assembly comprising; a first part including a fixed contact and a first meter terminal; a second part including a moving contact and a second meter terminal; a conductive spring which supports the moving contact and which, in use, carries switch current; and a meter shunt connecting the conductive spring to the second meter terminal, the shunt being adapted so as to receive, in use, sensor conductors so that current supplied from the first meter terminal to a consumer via the second meter terminal can be sensed for measurement purposes and whereby the conductive spring comprises a narrowed portion between the moving contact and the meter shunt to facilitate spring flexure.
  • a contact assembly for a single pole meter switch comprises two parts 1 and 2.
  • the part 1 includes a flat copper metal strip input terminal 3, which is bent orthogonally and which is electrically and mechanically connected by a means of brazing points 4 to a flat copper alloy shunt 5.
  • the shunt 5 is connected by brazing points 6 to a copper alloy leaf spring 7 which supports a moving switch contact 8.
  • the parts may first be 'part pierced', so that they mutually locate.
  • the shunt 5 includes grooves 9 to which conductors are connected which couple the shunt to a measurement circuit (not shown). Grooves 10 are also provided in which conductors are soldered which serve to provide power for other parts of the electricity meter.
  • a narrowed neck 11 is formed between the shunt 5 and the moving contact 8.
  • the moving contact 8 is arranged to co-operate with a fixed contact 12, which is supported on a copper strip output terminal 13 which is bent orthogonally so that the fixed and moving contacts 12 and 8 respectively align.
  • Strip material from which the output terminal 13 formed is provided at an end thereof remote from the terminal 13, with a spring connector 14, as shown in Figure 2, which, as will hereinafter be explained, serves to provide electrical connection via a complimentary plug part (not shown) of an 'add-on' module (not shown).
  • the terminals 3 and 13 are arranged to lie flat in a housing body 15 so that they are mutually parallel and lie in substantially the same plane.
  • input and output conductors are introduced through apertures 16 and 17 respectively in the housing 15 and clamped into position by means of screws 18 against the input and output terminals 3 and 13 respectively.
  • Apertures 19 and 19a in the housing are provided for input and output neutral conductors respectively, which are secured by means of clamping screws 20. Connection of the neutral conductors is not central to the present invention, since the meter incorporates single pole switching only.
  • a mechanical switch actuator 21 is provided which is arranged to effect switch operation so as to open or close the contacts 8 and 12 against the biasing force provided by the leaf spring 7. Additionally the switch may be operated by an actuator (not shown), which is contained in an 'add-on' module (not shown) fitted to the basic meter module to extend functionality, as described in our co-pending patent applications.
  • the actuator (not shown) is arranged to operate in the direction of an arrow 22 so as to make contact with a switch operating member 23 which operates through a lever 24 to effect switch operation in a manner similar to operation as effected by the switch actuator 21.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Push-Button Switches (AREA)

Claims (17)

  1. Schalteranordnung für einen Stromzähler, die folgendes aufweist:
    einen ersten Teil (2), der einen festliegenden Kontakt (12) und eine erste Zählerklemme (13) umfaßt;
    einen zweiten Teil (1), der einen beweglichen Kontakt (8) und eine zweite Zählerklemme (3) umfaßt;
    eine leitfähige Feder (7), die den beweglichen Kontakt stützt und im Betrieb Schalterstrom fährt; und
    einen Zähler-Shunt (5), der die leitfähige Feder mit der zweiten Zählerklemme verbindet, wobei der Shunt im Betrieb Sensorleiter aufnehmen kann, so daß Strom, der von der ersten Zählerklemme über die zweite Zählerklemme zu einem Verbraucher geliefert wird, zu Meßzwecken erfaßt werden kann, und wobei die leitfähige Feder einen verengten Abschnitt zwischen dem beweglichen Kontakt und dem Zähler-Shunt aufweist, um die Federbiegung zu erleichtern.
  2. Schalteranordnung nach Anspruch 1, bei welcher die erste und die zweite Zählerklemme eine Ausgangs- bzw. eine Eingangsklemme aufweisen.
  3. Schalteranordnung nach Anspruch 1 oder 2, die Teil eines einpoligen Schalters ist.
  4. Schalteranordnung nach einem der vorhergehenden Ansprüche, bei welcher die leitfähige Feder einen Metallblattfederstreifen aufweist.
  5. Schalteranordnung nach Anspruch 4, bei welcher der Metallblattfederstreifen eine Kupferlegierung aufweist.
  6. Schalteranordnung nach einem der vorhergehenden Ansprüche, bei welcher der Zähler-Shunt Metallstreifen aufweist, mit dem die zweite Zählerklemme und die leitfähige Feder elektrisch verbunden sind, wobei die zweite Zählerklemme und die leitfähige Feder durch den Zähler-Shunt voneinander beabstandet sind.
  7. Schalteranordnung nach Anspruch 6, bei welcher der Zähler-Shunt Kupferlegierungsstreifenmaterial aufweist.
  8. Schalteranordnung nach Anspruch 6 oder 7, bei welcher der Zähler-Shunt Nuten (9) umfaßt, mit denen Leiter verbunden sind, um den Zähler-Shunt mit einer Meßschaltung zu koppeln.
  9. Schalteranordnung nach einem der vorhergehenden Ansprüche, bei welcher der zweite Teil ferner Nuten (10) umfaßt, an die Leiter gelötet sind, die dazu dienen, Energie für andere Teile eines Stromzählers zu liefern.
  10. Schalteranordnung nach einem der vorhergehenden Ansprüche, bei welcher die zweite Zählerklemme einen Metallstreifen aufweist.
  11. Schalteranordnung nach Anspruch 10, bei welcher das Streifenmetall flaches Kupferstreifenmaterial aufweist.
  12. Schalteranordnung nach einem der Ansprüche 9 bis 10, bei welcher der bewegliche und der feste Kontakt ein Silberlegierungsmaterial aufweisen.
  13. Schalteranordnung nach einem der Ansprüche 9 bis 11, bei welcher die erste Zählerklemme einen Metallstreifen aufweist.
  14. Schalteranordnung nach Anspruch 13, bei welcher der Metallstreifen flaches Kupferstreifenmaterial aufweist.
  15. Schalteranordnung nach Anspruch 13 oder 14, bei welcher ein Ende der ersten Klemme derart angeordnet ist, daß es als ein Ausgangsklemmenverbinder dient, und das andere Ende der ersten Klemme einen elektrischen Buchsenverbinder zur Aufnahme eines komplementären Steckers eines "Anbau"-Zählermoduls bilden kann, wobei der festliegende Kontakt von dem Metallstreifen an einer Position zwischen seinen Enden gestützt wird.
  16. Schalteranordnung nach Anspruch 15, bei welcher der elektrische Buchsenverbinder einen Federverbinder (14) aufweist.
  17. Stromzähler mit einer Schalteranordnung nach einem der Ansprüche 12 bis 16, bei welchem die erste und die zweite Zählerklemme in voneinander beabstandeter Beziehung innerhalb eines Zählergehäuses gestützt werden, so daß Metallstreifen entsprechender Klemmen im wesentlichen in derselben Ebene liegt, wobei beide Klemmen bezüglich dieser Ebene bezüglich dieser Ebene orthogonal gebogen sind, so daß der bewegliche Kontakt mit dem festliegenden Kontakt ausgerichtet ist, um die Schaltoperation zu erleichtern, und mit einem Schalterstellglied (21) ausgerichtet ist, um die Schaltoperation gegen die Vorspannkraft der leitfähigen Feder durchzuführen.
EP96115905A 1995-10-31 1996-10-04 Verbesserungen in, oder in Verbindung mit, Schaltern eines Zählers Expired - Lifetime EP0772050B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9522284 1995-10-31
GB9522284A GB2306676B (en) 1995-10-31 1995-10-31 Improvements in or relating to meter switches

Publications (2)

Publication Number Publication Date
EP0772050A1 EP0772050A1 (de) 1997-05-07
EP0772050B1 true EP0772050B1 (de) 2003-04-16

Family

ID=10783168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96115905A Expired - Lifetime EP0772050B1 (de) 1995-10-31 1996-10-04 Verbesserungen in, oder in Verbindung mit, Schaltern eines Zählers

Country Status (6)

Country Link
EP (1) EP0772050B1 (de)
AU (1) AU721585B2 (de)
DE (1) DE69627449T2 (de)
GB (1) GB2306676B (de)
IL (1) IL119395A0 (de)
ZA (1) ZA968443B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10401392B2 (en) * 2016-12-21 2019-09-03 Itron, Inc. Shunt thermocouple

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2793030B1 (fr) * 1999-04-30 2001-06-15 Schneider Electric Ind Sa Dispositif de controle d'energie a prepaiement comportant un shunt de mesure
EP2169410B1 (de) * 2008-09-29 2011-11-30 EMH metering GmbH & Co. KG Elektronischer Elektrizitätszähler
DE102009060577B4 (de) * 2009-12-23 2012-04-26 Hora-Werk Gmbh Stromzählerklemme und Verfahren zur Herstellung einer Stromzählerklemme
CN101813717A (zh) * 2010-04-30 2010-08-25 溧阳市华鹏电力仪表有限公司 防弱电连接片转动的端钮盒
US10788515B2 (en) 2016-12-21 2020-09-29 Itron, Inc. Multi-piece current shunt with conductive channel for uniform current flow
CN107015039A (zh) * 2017-05-22 2017-08-04 杭州德创能源设备有限公司 一种计量表计转换插接模块
EP3855191B1 (de) * 2020-01-14 2023-07-19 Kamstrup A/S Elektrizitätszähler mit shunt-widerstand
CN116773882B (zh) * 2023-06-12 2025-08-08 江苏斯菲尔电气股份有限公司 一种一体式直流电能表

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3008089A1 (de) * 1980-03-03 1981-09-10 Robert Bosch Gmbh, 7000 Stuttgart Elektrisches schaltelement, vorzugsweise elektromagnetischer schalter
GB2128410A (en) * 1982-10-07 1984-04-26 Gen Electric Co Plc Contact lever springs
US4584545A (en) * 1984-07-10 1986-04-22 Heinemann Electric Company Single section circuit breaker having a metering shunt
US4743875A (en) * 1986-07-22 1988-05-10 Westinghouse Electric Corp. Circuit breaker having a direct current measuring shunt
GB9223958D0 (en) * 1992-11-16 1993-01-06 Gen Electric Co Plc A commodity consumption meter
FR2701590B1 (fr) * 1993-02-15 1995-04-21 Sagem Eléments résistifs de mesure de courant et modules de raccordement et de mesure en comportant application.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10401392B2 (en) * 2016-12-21 2019-09-03 Itron, Inc. Shunt thermocouple

Also Published As

Publication number Publication date
GB9522284D0 (en) 1996-01-03
ZA968443B (en) 1997-05-02
AU7044796A (en) 1997-05-08
DE69627449D1 (de) 2003-05-22
GB2306676B (en) 1999-12-08
GB2306676A (en) 1997-05-07
IL119395A0 (en) 1997-01-10
DE69627449T2 (de) 2004-03-04
AU721585B2 (en) 2000-07-06
EP0772050A1 (de) 1997-05-07

Similar Documents

Publication Publication Date Title
EP0491933B1 (de) Steckbarer schutzschalter
US4616285A (en) Safety and selective use switch for a power outlet
US6255923B1 (en) Arc fault circuit breaker
US6278605B1 (en) Modular circuit breaker interconnection system
EP0404135B1 (de) Keilförmiger Sockel, befestigt an SPG-Substrat
EP0772050B1 (de) Verbesserungen in, oder in Verbindung mit, Schaltern eines Zählers
CA2254252A1 (en) Circuit breaker switch apparatus
EP0703117A3 (de) Elektrischer Verbindungskasten
EP0784331A3 (de) Elektromagnetisches Relais
US7474182B2 (en) Contactor with connector module for control of the solenoid mechanism
WO1995004364A3 (en) Improvements relating to electric switches
US5684442A (en) Electromagnet switching device, especially contactor
CA2212588C (en) Switch
EP1126487A3 (de) Steckbare Auslöseeinheit für einen Leistungsschalter mit gegossenem Gehäuse
US4400685A (en) Control system
EP0967700A1 (de) Stromschiene mit einem Anschlusselement
US4934948A (en) Load terminal configuration for circuit breaker or the like
AU698832B2 (en) Contact block having convertible normally open or normally closed electrical contacts
CN212380379U (zh) 漏电保护断路器的n相静触头组件
US6273764B1 (en) Double contact element
WO2001015187A1 (en) Improvements in or relating to electrical switches
GB2153592A (en) Electrical switches
KR200166207Y1 (ko) 마이크로 스위치의 구조
US4865565A (en) Sneak current protector for a communication circuit 110-type wiring block
JP3421807B2 (ja) コンセント

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): BE DE DK ES FR GB IT NL SE

17P Request for examination filed

Effective date: 19971002

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SIEMENS METERING LIMITED

17Q First examination report despatched

Effective date: 20020314

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): BE DE DK ES FR GB IT 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 PRESCRIBED TIME-LIMIT;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.

Effective date: 20030416

Ref country code: FR

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: 20030416

Ref country code: BE

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: 20030416

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: LANDIS+GYR LIMITED

REF Corresponds to:

Ref document number: 69627449

Country of ref document: DE

Date of ref document: 20030522

Kind code of ref document: P

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

Ref country code: SE

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: 20030716

Ref country code: DK

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: 20030716

NLT2 Nl: modifications (of names), taken from the european patent patent bulletin

Owner name: LANDIS+GYR LIMITED

NLXE Nl: other communications concerning ep-patents (part 3 heading xe)

Free format text: PAT. BUL. 09/2003: CORR.: LANDIS+GYR LIMITED.

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: 20031030

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

26N No opposition filed

Effective date: 20040119

EN Fr: translation not filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20151021

Year of fee payment: 20

Ref country code: DE

Payment date: 20151022

Year of fee payment: 20

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

Ref country code: NL

Payment date: 20151021

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69627449

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MK

Effective date: 20161003

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20161003

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

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20161003