EP2290666B1 - Module auxiliaire pour appareil de surveillance de durée de vie pour commutateurs électromagnétiques et procédé correspondant - Google Patents

Module auxiliaire pour appareil de surveillance de durée de vie pour commutateurs électromagnétiques et procédé correspondant Download PDF

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Publication number
EP2290666B1
EP2290666B1 EP09010997.6A EP09010997A EP2290666B1 EP 2290666 B1 EP2290666 B1 EP 2290666B1 EP 09010997 A EP09010997 A EP 09010997A EP 2290666 B1 EP2290666 B1 EP 2290666B1
Authority
EP
European Patent Office
Prior art keywords
contact
plunger
switching device
change
switching
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.)
Active
Application number
EP09010997.6A
Other languages
German (de)
English (en)
Other versions
EP2290666A1 (fr
Inventor
Stefan Beyer
Wolfgang Schatz
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to EP09010997.6A priority Critical patent/EP2290666B1/fr
Priority to PCT/EP2010/060400 priority patent/WO2011023463A1/fr
Priority to CN2010800263401A priority patent/CN102473533A/zh
Priority to KR1020127007850A priority patent/KR101560210B1/ko
Priority to BR112012004018-9A priority patent/BR112012004018B1/pt
Publication of EP2290666A1 publication Critical patent/EP2290666A1/fr
Application granted granted Critical
Publication of EP2290666B1 publication Critical patent/EP2290666B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/044—Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/048—Means for indicating condition of the switching device containing non-mechanical switch position sensor, e.g. HALL sensor

Definitions

  • the invention relates to an attachment module, in particular a communication module with a movable plunger, which is connected via an interface with a switching device having at least one contact piece for switching a contact with contact material.
  • the invention also relates to a method for monitoring the life of a switching device with an attachment module, in particular a communication module with a movable plunger, which is connected via an interface with the switching device having at least one contact piece for switching a contact with contact material.
  • Electromagnetic switching devices include contactors, disconnectors, power relays and circuit breakers. For such electromagnetic switching devices, in particular for contactors, it is necessary in a large number of applications to detect the actual switching state of the electromagnetic switching device, in contrast, if necessary, to a driving state of the electromagnetic switching device in order to evaluate it otherwise.
  • a mechanical switching contact is arranged in the housing, which changes its switching state when transferring the plunger from one to the other end position.
  • the switching contact is connected via lines to an evaluation device, so that the switching position of the switching contact and thus the switching state of the electromagnetic switching device can be detected by the evaluation device.
  • the detection device is a separate device, which is different from the electromagnetic switching device.
  • the detection device for detecting the switching state of an electromagnetic switching device has a housing in which a plunger is movably mounted.
  • the plunger is movable between two mechanical end positions, wherein the end positions of the plunger correspond to the switching state of the electromagnetic switching device.
  • a sensor device is arranged, from which it can be detected, in which of the end positions the plunger is located, and from which a corresponding electrical signal can be emitted.
  • the sensor device is designed such that the position of the plunger can be detected by it, without touching the plunger.
  • a disadvantage of the prior art is that the end of life of the switching devices used is not displayed in order to make a timely replacement as part of a maintenance can.
  • the invention is therefore based on the object to provide a top module, in particular a communication module for switching devices, which allows a lifetime monitoring.
  • the invention has for its object to provide a method of the type mentioned above, which allows easy life monitoring of the switching device.
  • an attachment module in particular a communication module with a movable plunger, which is connected via an interface with a switching device having at least one contact piece for switching a contact with contact material.
  • the invention is characterized in that means are provided for measuring the change in position of the plunger with the contact closed, which takes place due to the erosion of the contact material with repeated switching of the contact.
  • the element is a magnet attached to the plunger.
  • Contact can be determined on the basis of contact erosion.
  • the processor advantageously serves for logging the values of the position change and for comparing these values with stored empirical values.
  • the switching device is provided with a communication interface which serves to transfer an information determined by the processor.
  • a further advantageous embodiment is when the communication interface is provided for the connection to a bus.
  • bus is an AS-Interface or IO-Link.
  • the inventive method for monitoring the life of a switching device with attachment module in particular communication module with a movable plunger which is connected via an interface with the switching device having at least one contact piece for switching a contact with contact material, characterized in that via means the change in position of Plunger is measured when the contact is closed, wherein the change in position due to the contact erosion occurs with repeated switching, wherein the value determined for the position change compared with stored values and from this a information related to the life of the switching device is derived.
  • an inventive attachment module 1 is shown with a plunger 2 in a first position on the left and in a second position on the right. Due to the large number of switching operations during the life of a switching device, the contact material wears off by burning. The life span of a switching device therefore depends on the remaining amount, that is, the thickness of the contact material and must therefore be monitored.
  • the contact wear has a change in position 3 of the plunger 2 with closed contact result. The change in position 3 of the plunger 2 when the contact is closed, as shown by the two positions in the drawing, therefore an indication of the contact erosion and is therefore measured according to the invention by means of a sensor 4.
  • the sensor 4 detects in the present embodiment, the magnetic field of a fixedly attached to the plunger 2 magnet 5 and then passes a sensor signal to a processor 6, which is preferably integrated in the switching device 9 and evaluates this sensor signal.
  • a processor 6 which is preferably integrated in the switching device 9 and evaluates this sensor signal.
  • empirical values are stored, with which the measured value for the position change 3 is compared. From the comparison, a information relating to the life of the switching device 9 is derived.
  • the determination of the change in position 3 can take place, inter alia, from a time measurement for the path traveled by the plunger 2 during closing and retracting. The time measurement begins when the magnet 5 of the plunger 2 is detected by the sensor 4 during the closing process and ends after closing the contact, when the plunger 2 falls back and in turn while the magnet 5 is detected by the sensor 4.
  • the processor 6 is provided with a communication interface 7 in order to be able to communicate this information to a controller 8.
  • the sensor 4 can be combined together with the processor 9 in a module, not shown here, which can be placed on the switching device 9.
  • the invention which can be placed on a switching device essay module, in particular communication module is characterized by the fact that it is on the measurement of the change in position of the plunger with closed contact, which is caused by the burning of the contact material with repeated switching of the contact conclusions on the possible end of life of Switching device allows so that the switching device can be replaced in good time before its possible failure.

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Push-Button Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Claims (7)

  1. Module auxiliaire, en particulier module de communication (1) avec une tige mobile (2), qui est relié à un commutateur (9) par l'intermédiaire d'une interface, ledit commutateur présentant au moins une pièce de commutation permettant de commuter un contact avec un matériau de contact, caractérisé en ce qu'il est prévu un moyen (4, 5) permettant une mesure de la modification de position (3) de la tige (2) lorsque le contact est fermé, dans lequel le moyen de mesure de la modification de position (3) de la tige comprend un capteur (4) et dans lequel la tige (2) est munie d'un élément (5) pouvant être détecté par le capteur (4) et dans lequel le commutateur (9) présente un processeur (6) permettant une évaluation d'un signal de capteur reçu en provenance du capteur, avec lequel la modification de position (3) de la tige (2), due à une usure du contact, lorsque le contact est fermé peut être déterminée.
  2. Module auxiliaire selon la revendication 1, caractérisé en ce que l'élément est un aimant (5) fixé sur la tige (2).
  3. Module auxiliaire selon l'une quelconque des revendications précédentes, caractérisé en ce que le processeur (6) permet une consignation des valeurs de la modification de position (3) et une comparaison desdites valeurs avec des valeurs d'expérience mises en mémoire.
  4. Module auxiliaire selon l'une quelconque des revendications précédentes, caractérisé en ce que le commutateur (9) est muni d'une interface de communication (7), qui permet un transfert d'une information déterminée par le processeur (6).
  5. Module auxiliaire selon l'une quelconque des revendications précédentes, caractérisé en ce que l'interface de communication (7) est prévue pour un raccordement à un bus.
  6. Module auxiliaire selon la revendication 5, caractérisé en ce que le bus est une AS-interface ou IO-Link.
  7. Procédé de surveillance de la durée de vie d'un commutateur (9) avec un module auxiliaire, en particulier un module de communication (1) avec une tige (2) mobile, qui est relié au commutateur (9) par l'intermédiaire d'une interface, ledit commutateur présentant au moins une pièce de commutation permettant une commutation d'un contact avec un matériau de contact, caractérisé en ce que la modification de position (3) de la tige (2), lorsque le contact est fermé, est mesurée grâce au moyen (4, 5), dans lequel la valeur de mesure déterminée pour la modification de position (3) est comparée avec des valeurs mises en mémoire et une information concernant la durée de vie du commutateur en est déduite.
EP09010997.6A 2009-08-27 2009-08-27 Module auxiliaire pour appareil de surveillance de durée de vie pour commutateurs électromagnétiques et procédé correspondant Active EP2290666B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP09010997.6A EP2290666B1 (fr) 2009-08-27 2009-08-27 Module auxiliaire pour appareil de surveillance de durée de vie pour commutateurs électromagnétiques et procédé correspondant
PCT/EP2010/060400 WO2011023463A1 (fr) 2009-08-27 2010-07-19 Module rapporté avec surveillance de durée de vie pour un appareil de connexion électromagnétique et procédé associé
CN2010800263401A CN102473533A (zh) 2009-08-27 2010-07-19 对电磁开关设备进行寿命监测的附加模块及相应方法
KR1020127007850A KR101560210B1 (ko) 2009-08-27 2010-07-19 전자기 스위칭 디바이스를 위한 수명 모니터링을 갖는 부가 모듈, 및 연관된 방법
BR112012004018-9A BR112012004018B1 (pt) 2009-08-27 2010-07-19 módulo de complemento e método para monitorar a vida útil de um dispositivo de comutação com um módulo de complemento de complemento

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09010997.6A EP2290666B1 (fr) 2009-08-27 2009-08-27 Module auxiliaire pour appareil de surveillance de durée de vie pour commutateurs électromagnétiques et procédé correspondant

Publications (2)

Publication Number Publication Date
EP2290666A1 EP2290666A1 (fr) 2011-03-02
EP2290666B1 true EP2290666B1 (fr) 2015-08-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09010997.6A Active EP2290666B1 (fr) 2009-08-27 2009-08-27 Module auxiliaire pour appareil de surveillance de durée de vie pour commutateurs électromagnétiques et procédé correspondant

Country Status (5)

Country Link
EP (1) EP2290666B1 (fr)
KR (1) KR101560210B1 (fr)
CN (1) CN102473533A (fr)
BR (1) BR112012004018B1 (fr)
WO (1) WO2011023463A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102841312B (zh) * 2012-08-31 2015-04-22 天津博信汽车零部件有限公司 遥控钥匙耐久试验装置
CN205211135U (zh) * 2013-03-13 2016-05-04 西门子公司 具有信号设备和相对于信号设备分散地布置的信号设备评估装置的系统
GB201803422D0 (en) * 2018-01-16 2018-04-18 Eaton Intelligent Power Ltd Contactor with contact carrier location sensing
CN108899236B (zh) * 2018-07-17 2020-11-03 广东电网有限责任公司 一种防止反复分合闸电路、储能电动机、弹簧储能机构及断路器
GB2591796A (en) * 2020-02-07 2021-08-11 Eaton Intelligent Power Ltd Circuit breaker and method for operating a circuit breaker
EP3886128B1 (fr) 2020-03-24 2024-01-24 ABB Schweiz AG Dispositif interrupteur électrique
DE202020107235U1 (de) 2020-12-14 2021-01-14 Abb Schweiz Ag Schützmodul und Schützmodulanordnung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4774484A (en) * 1985-04-09 1988-09-27 Square D Company Auxiliary electrical contact for electromagnetic contactor
DE10260249B4 (de) * 2002-12-20 2005-07-28 Siemens Ag Verfahren und Vorrichtung zur Bestimmung der Restlebensdauer eines Schaltgerätes
CN2819235Y (zh) * 2005-03-09 2006-09-20 湖南科技大学 电磁元件在线质量状态监测系统
DE102005045095A1 (de) * 2005-09-21 2007-04-05 Siemens Ag Verfahren zum Bestimmen des Abbrandes von Kontakten eines elektromagnetischen Schaltgerätes und elektromagnetisches Schaltgerät mit einer nach diesem Verfahren arbeitenden Einrichtung
DE102007002176B4 (de) 2007-01-15 2018-07-19 Siemens Aktiengesellschaft Erfassungseinrichtung zum Erfassen des Schaltzustands eines elektromagnetischen Schaltgeräts

Also Published As

Publication number Publication date
BR112012004018B1 (pt) 2019-11-19
BR112012004018A2 (pt) 2016-03-29
WO2011023463A1 (fr) 2011-03-03
KR20120082411A (ko) 2012-07-23
KR101560210B1 (ko) 2015-10-14
CN102473533A (zh) 2012-05-23
EP2290666A1 (fr) 2011-03-02

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