EP0847587B1 - Power circuit-breaker with current transformers and data store - Google Patents
Power circuit-breaker with current transformers and data store Download PDFInfo
- Publication number
- EP0847587B1 EP0847587B1 EP96934413A EP96934413A EP0847587B1 EP 0847587 B1 EP0847587 B1 EP 0847587B1 EP 96934413 A EP96934413 A EP 96934413A EP 96934413 A EP96934413 A EP 96934413A EP 0847587 B1 EP0847587 B1 EP 0847587B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- current transformers
- trigger
- tripping device
- breaker
- 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
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
- H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
-
- 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
- H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
Definitions
- the invention relates to a circuit breaker with current transformers and with an electronic housing Triggers for processing by the current transformers provided signals and with an information store for characteristic properties of the circuit breaker.
- a circuit breaker with these features is through the US-A-5 331 500.
- the one there as an interface card designated information store is so firmly on Structure of the circuit breaker attached that an operative connection with the trigger is only made when the release is inserted into the circuit breaker.
- the signals from the current transformers are triggered by cables transmitted through which the current transformer with the interface card are connected. This gives the trigger one Information about the properties of the circuit breaker.
- the information store is an integral part the circuit breaker is made compared to one likewise known storage of the property values mentioned reliable within the electronic trigger achieves unchangeable features of the circuit breaker, such as type and rated current, as well as the characteristic values of the Current transformer built into the switch, even when Replacement of the electronic trigger unchanged become. But this means that when it occurs an error and subsequent testing of the electronic Trigger such failures can not be detected in the Information stores have occurred. It also needs increased prudence when the current transformer of the circuit breaker are exchanged and therefore also the information store must be adapted or replaced.
- the invention is based, the functional test and fault finding for circuit breakers with one To improve information stores of the type mentioned.
- this object is achieved in that the one with interfaces to the release and to the current transformers trained information store on the outside of the Trigger is releasably attached. This ensures that the trigger only together with the information store can be removed from the circuit breaker. Will therefore be a functional test a release removed from the circuit breaker carried out, it is inevitable in the functional test the information store is also included. Becomes a malfunction determined, this ensures that that the troubleshooting is equally focused on the Trigger itself extends to the information store. If it turns out to be necessary, only that To exchange triggers, the information store of the affected trigger and on the new trigger be added. The property parameters are thus accepted.
- the information store on one Operating front of the trigger rear wall is arranged is and that the interface to the trigger and the Interface to the current transformers on opposite Sides of a circuit board of the information store arranged This enables the Information store on the trigger with only a small depth.
- the invention is based on the in the figure illustrated embodiment explained in more detail.
- the figure shows schematically in a side view or in Cut a low voltage circuit breaker with one electronic trigger accessible from the front and one on the back of this arranged information store.
- a circuit breaker 1 is shown schematically in the figure as Outline shown.
- An electronic trigger 2 is in the Circuit breaker 1 housed so that its front panel 3 on the front 4 of the circuit breaker 1 is accessible.
- a housing 5 of the trigger 2 has fastening legs 6 on the abutments 7 of the circuit breaker 1 and with them represented by schematically Connection means 10 are connected.
- the circuit breaker 1 contains schematically indicated Current paths 11, each with a switching contact system 12. Each of the Current paths is provided with a current transformer 13, the Output signal to control the electronic release 2 serves.
- An information memory 14 is located on the front of the control panel 3 of the electronic trigger 2 opposite rear wall 15 arranged.
- the information store 14 has its own Housing 16 with a fastening member 17 which is used for support on the lower mounting leg 6 of the housing 5 of the Trigger 2 is provided and with this by a likewise to connect schematically shown fastener 20 is.
- Interfaces 18 and 19 allow a simple one electrical connection of the information store with the Trigger 2 and the current transformers 13.
- a circuit board 21 with components that are used for transmission signals provided by the current transformers 13 and for the Current transformer and the circuit breaker more characteristic Property characteristics serve.
- the circuit board 21 is on opposite sides with components 22 and 23 of Provide plug connections. Other components of this Plug connections are a socket 24 and a Multiple connector 25.
- the component 22 acts with the on Rear wall 15 of the housing 5 of the electronic release 2 arranged socket 24 together while the component 23 for inserting the multiple plug 25 for connection with the current transformers 13 is freely accessible.
- Components 22 and 24 together form the interface 18 and the Components 23 and 25 form the interface 19.
- the electronic trigger 2 can Removal of the fasteners 10 from the circuit breaker 1 taken together with the information store 14 can be. Should another trigger in the Circuit breaker 1 are installed, so the Information store 14 by removing the fastener 20 and separation of component 22 from the socket 24 solved and can on the new trigger in the same way be attached. This will also be the new trigger for the current transformers 13 and the type of the circuit breaker 1 specific property values communicated.
- the test can first done for the unit of trigger and information store and if necessary separately for the trigger 2 and the information store 14 are continued. Therefore, it is also possible a faulty information store easier to recognize and replace if necessary.
Abstract
Description
Die Erfindung betrifft einen Leistungsschalter mit Stromwandlern und mit einem ein Gehäuse aufweisenden elektronischen Auslöser zur Verarbeitung durch die Stromwandler bereitgestellter Signale sowie mit einem Informationsspeicher für Eigenschaftskennwerte des Leistungsschalters.The invention relates to a circuit breaker with current transformers and with an electronic housing Triggers for processing by the current transformers provided signals and with an information store for characteristic properties of the circuit breaker.
Ein Leistungsschalter mit diesen Merkmalen ist durch die US-A-5 331 500 bekannt geworden. Der dort als Interface-Karte bezeichnete Informationsspeicher wird dabei derart fest am Tragwerk des Leistungsschalters befestigt, daß eine Wirkungsverbindung mit dem Auslöser erst dann hergestellt wird, wenn der Auslöser in den Leistungsschalter eingesetzt wird. Dem Auslöser werden die Signale der Stromwandler durch Leitungen übermittelt, durch welche die Stromwandler mit der Interface-Karte verbunden sind. Hierdurch erhält der Auslöser eine Information über die Eigenschaften des Leistungsschalters.A circuit breaker with these features is through the US-A-5 331 500. The one there as an interface card designated information store is so firmly on Structure of the circuit breaker attached that an operative connection with the trigger is only made when the release is inserted into the circuit breaker. The The signals from the current transformers are triggered by cables transmitted through which the current transformer with the interface card are connected. This gives the trigger one Information about the properties of the circuit breaker.
Dadurch, daß der Informationsspeicher zum festen Bestandteil des Leistungsschalter gemacht ist, wird im Vergleich zu einer gleichfalls bekannten Speicherung der genannten Eigenschaftskennwerte innerhalb des elektronischen Auslösers zuverlässig erreicht, daß unveränderliche Merkmale des Leistungsschalters, wie Typ und Nennstrom, sowie die Kennwerte der gleichfalls fest in den Schalter eingebauten Stromwandler auch beim Auswechseln des elektronischen Auslösers unverändert berückichtigt werden. Dies bedeutet aber, daß beim Auftreten eines Fehlers und nachfolgender Prüfung des elektronischen Auslösers solche Störungen nicht erkannt werden, die in dem Informationsspeicher aufgetreten sind. Ferner bedarf es erhöhter Umsicht, wenn die Stromwandler des Leistungsschalters ausgetauscht werden und daher auch der Informationsspeicher angepaßt bzw. ausgetauscht werden muß.Because the information store is an integral part the circuit breaker is made compared to one likewise known storage of the property values mentioned reliable within the electronic trigger achieves unchangeable features of the circuit breaker, such as type and rated current, as well as the characteristic values of the Current transformer built into the switch, even when Replacement of the electronic trigger unchanged become. But this means that when it occurs an error and subsequent testing of the electronic Trigger such failures can not be detected in the Information stores have occurred. It also needs increased prudence when the current transformer of the circuit breaker are exchanged and therefore also the information store must be adapted or replaced.
Der Erfindung liegt die Aufgabe zugrunde, die Funktionsprüfung und Fehlerfindung bei Leistungsschaltern mit einem Informationsspeicher der genannten Art zu verbessern.The invention is based, the functional test and fault finding for circuit breakers with one To improve information stores of the type mentioned.
Gemäß der Erfindung wird diese Aufgabe dadurch gelöst, daß der mit Schnittstellen zum Auslöser und zu den Stromwandlern ausgebildete Informationsspeicher an der Außenseite des Auslösers lösbar angebracht ist. Hierdurch wird erreicht, daß der Auslöser nur zusammen mit dem Informationsspeicher aus dem Leistungsschalter entnehmbar ist. Wird daher eine Funktionsprüfung eines vom Leistungsschalter abgenommenen Auslösers durchgeführt, so wird in die Funktionsprüfung zwangsläufig auch der Informationsspeicher einbezogen. Wird eine Funktionsstörung festgestellt, so ist auf diese Weise sichergestellt, daß sich die Störungssuche gleichermaßen auf den Auslöser selbst als auch auf den Informationsspeicher erstreckt. Sollte es sich als erdorderlich erweisen, nur den Auslöser auszutauschen, so kann der Informationsspeicher von dem betroffenen Auslöser getrennt und an dem neuen Auslöser angefügt werden. Die Eigenschaftskennwerte werden damit übernommen.According to the invention, this object is achieved in that the one with interfaces to the release and to the current transformers trained information store on the outside of the Trigger is releasably attached. This ensures that the trigger only together with the information store can be removed from the circuit breaker. Will therefore be a functional test a release removed from the circuit breaker carried out, it is inevitable in the functional test the information store is also included. Becomes a malfunction determined, this ensures that that the troubleshooting is equally focused on the Trigger itself extends to the information store. If it turns out to be necessary, only that To exchange triggers, the information store of the affected trigger and on the new trigger be added. The property parameters are thus accepted.
Es empfiehlt sich, daß der Informationsspeicher an der einer Bedienungsfront des Auslösers abgewandten Rückwand angeordnet ist und daß die Schnittstelle zum Auslöser und die Schnittstelle zu den Stromwandlern auf gegenüberliegenden Seiten einer Leiterplatte des Informationsspeichers angeordnet sind.Dies ermöglicht eine zweckmäßige Anbringung des Informationsspeichers an dem Auslöser mit nur geringer Bautiefe.It is recommended that the information store on one Operating front of the trigger rear wall is arranged is and that the interface to the trigger and the Interface to the current transformers on opposite Sides of a circuit board of the information store arranged This enables the Information store on the trigger with only a small depth.
Um eine zuverlässige elektrische Verbindung zwischen dem Auslöser und dem Informationsspeicher sicherzustellen kann der Informationsspeicher ein eigenes Gehäuse mit einem zur Verbindung mit dem Auslöser dienenden Befestigungsorgan aufweisen.To ensure a reliable electrical connection between the Triggers and the information store can ensure the information store has its own housing with a Have connection with the trigger serving fastener.
Die Erfindung wird im folgenden anhand des in der Figur dargestellten Ausführungsbeispieles näher erläutert.The invention is based on the in the figure illustrated embodiment explained in more detail.
Die Figur zeigt schematisch in einer Seitenansicht bzw. im Schnitt einen Niederspannungs-Leistungsschalter mit einem frontseitig zugänglichen elektronischen Auslöser und einem rückseitig an diesem angeordneten Informationsspeicher.The figure shows schematically in a side view or in Cut a low voltage circuit breaker with one electronic trigger accessible from the front and one on the back of this arranged information store.
Ein Leistungsschalter 1 ist in der Figur schematisch als
Umriß gezeigt. Ein elektronischer Auslöser 2 ist in dem
Leistungsschalter 1 so untergebracht, daß seine Bedienungsfront
3 an der Frontseite 4 des Leistungsschalters 1
zugänglich ist. Ein Gehäuse 5 des Auslösers 2 weist Befestigungsschenkel
6 auf, die an Widerlagern 7 des Leistungsschalters
1 anliegen und mit diesen durch schematisch dargestellte
Verbindungsmittel 10 verbunden sind.A
Der Leistungsschalter 1 enthält schematisch angedeutete
Strombahnen 11 mit je einem Schaltkontaktsystem 12. Jede der
Strombahnen ist mit einem Stromwandler 13 versehen, dessen
Ausgangssignal zur Steuerung des elektronischen Auslösers 2
dient.The
Ein Informationsspeicher 14 ist an der der Bedienungsfront 3
des elektronischen Auslösers 2 gegenüberliegenden Rückwand 15
angeordnet. Der Informationsspeicher 14 besitzt ein eigenes
Gehäuse 16 mit einem Befestigungsorgan 17, das zur Auflage
auf dem unteren Befestigungsschenkel 6 des Gehäuses 5 des
Auslösers 2 vorgesehen ist und mit diesem durch ein gleichfalls
schematisch gezeigtes Befestigungsmittel 20 zu verbinden
ist. Schnittstellen 18 und 19 gestatten eine einfache
elektrische Verbindung des Informationsspeichers mit dem
Auslöser 2 und den Stromwandlern 13.An
In dem Gehäuse 16 des Informationsspeichers 14 befindet sich
eine Leiterplatte 21 mit Bauelementen, die zur Übertragung
von den Stromwandlern 13 bereitgestellter Signale und für die
Stromwandler sowie den Leistungsschalter kennzeichnender
Eigenschaftskennwerte dienen. Die Leiterplatte 21 ist auf
gegenüberliegenden Seiten mit Komponenten 22 bzw. 23 von
Steckverbindungen versehen. Weitere Komponenten dieser
Steckverbindungen sind ein Stecksockel 24 und ein
Vielfachstecker 25. Die Komponente 22 wirkt mit dem an der
Rückwand 15 des Gehäuses 5 des elektronischen Auslösers 2
angeordneten Stecksockel 24 zusammen, während die Komponente
23 zum Einstecken des Vielfachsteckers 25 zur Verbindung mit
den Stromwandlern 13 frei zugänglich ist. Die Komponenten 22
und 24 bilden gemeinsam die Schnittstelle 18 und die
Komponenten 23 und 25 bilden die Schnittstelle 19.In the
Wie man erkennt, kann der elektronische Auslöser 2 nach
Entfernung der Befestigungsmittel 10 aus dem Leistungsschalter
1 zusammen mit dem Informationsspeicher 14 entnommen
werden kann. Soll nun ein anderer Auslöser in den
Leistungsschalter 1 eingebaut werden, so wird zuvor der
Informationsspeicher 14 durch Entfernung des Befestigungsmittels
20 und Trennung der Komponente 22 von dem Stecksockel
24 gelöst und kann an dem neuen Auslöser in gleicher Weise
befestigt werden. Damit werden auch dem neuen Auslöser die
für die Stromwandler 13 und den Typ des Leistungsschalters 1
spezifischen Eigenschaftskennwerte mitgeteilt.As you can see, the
Wird der elektronische Auslöser 2 zur Prüfung aus dem
Leistungsschalter 1 entnommen, so kann die Prüfung zunächst
für die Einheit von Auslöser und Informationsspeicher durchgeführt
und im Bedarfsfall gesondert für den Auslöser 2 und
den Informationsspeicher 14 fortgesetzt werden. Daher ist es
auch möglich, einen fehlerhaften Informationsspeicher
leichter zu erkennen und ggfs. auszutauschen.If the
Claims (3)
- Circuit breaker (1) with current transformers (13) and with an electronic tripping device (2), having a housing (5), for processing signals made available by the current transformers (13) and with an information memory (14) for characteristic values of the circuit breaker (1), characterized in that the information memory (14) which is constructed with interfaces (18, 19) to the tripping device (2) and to the current transformers (13) is releasably attached to the outer side of the housing (5) of the tripping device (2).
- Circuit breaker according to claim 1, characterized in that the information memory (14) is arranged at the rear panel (15) which is directed away from an operating face (3) of the tripping device (2), and in that the interface (18) to the tripping device (2) and the interface (19) to the current transformers (13) are arranged on opposite sides of a printed board (21) of the information memory (14).
- Circuit breaker according to claim 2, characterized in that the information memory (14) has its own housing (16) with a securing part (17) used for connection with the tripping device (2).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19533493 | 1995-08-31 | ||
| DE19533493 | 1995-08-31 | ||
| PCT/DE1996/001654 WO1997008725A1 (en) | 1995-08-31 | 1996-08-30 | Power circuit-breaker with current transformers and data store |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0847587A1 EP0847587A1 (en) | 1998-06-17 |
| EP0847587B1 true EP0847587B1 (en) | 1999-02-24 |
Family
ID=7771788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96934413A Expired - Lifetime EP0847587B1 (en) | 1995-08-31 | 1996-08-30 | Power circuit-breaker with current transformers and data store |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6034859A (en) |
| EP (1) | EP0847587B1 (en) |
| JP (1) | JP3568962B2 (en) |
| DE (1) | DE59601351D1 (en) |
| WO (1) | WO1997008725A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7133270B2 (en) | 2002-05-08 | 2006-11-07 | Siemens Aktiengesellschaft | Electric power switch with an electronic memory unit for parameters and conversion factors |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19726637B4 (en) * | 1997-06-18 | 2006-07-06 | Siemens Ag | Circuit breaker with an electronic overcurrent release and with a current transformer |
| DE19820173C1 (en) | 1998-04-29 | 1999-09-30 | Siemens Ag | Power switch electronic release |
| DE19845799A1 (en) * | 1998-09-30 | 2000-04-13 | Siemens Ag | Electrical circuit breaker with an information store |
| US6545479B1 (en) * | 1999-11-05 | 2003-04-08 | Siemens Energy & Automation, Inc. | Portable tester for electronic circuit breaker |
| DE29921791U1 (en) * | 1999-12-07 | 2001-04-12 | Siemens Ag | Electrical circuit breaker with an information store |
| DE10019092A1 (en) * | 2000-04-12 | 2001-10-25 | Siemens Ag | Low voltage circuit breaker with an information store |
| DE10020076A1 (en) * | 2000-04-22 | 2001-11-08 | Geyer Ag | Calibrating and parameterizing circuit breakers, involves fitting integrated electronics with data interface in addition to operating function to enable determination of design parameters |
| JP2005513749A (en) | 2001-12-28 | 2005-05-12 | アーベーベー・ティーアンドディー・テクノロジー・リミテッド | Circuit breaker with integrated current and / or voltage sensor |
| EP1851780A1 (en) * | 2005-02-18 | 2007-11-07 | Airpax Corporation, LLC | Apparatus comprising circuit breaker with adjunct sensor unit |
| CN104282086A (en) * | 2007-01-09 | 2015-01-14 | 功率监视器公司 | Method and apparatus for smart circuit breaker |
| US20090027190A1 (en) * | 2007-07-25 | 2009-01-29 | Power Monitors, Inc. | Method and apparatus for a low-power radio broadcast alert for monitoring systems |
| US9202383B2 (en) * | 2008-03-04 | 2015-12-01 | Power Monitors, Inc. | Method and apparatus for a voice-prompted electrical hookup |
| US8773108B2 (en) * | 2009-11-10 | 2014-07-08 | Power Monitors, Inc. | System, method, and apparatus for a safe powerline communications instrumentation front-end |
| EP2413105B1 (en) | 2010-07-29 | 2017-07-05 | Power Monitors, Inc. | Method and apparatus for a demand management monitoring system |
| US10060957B2 (en) | 2010-07-29 | 2018-08-28 | Power Monitors, Inc. | Method and apparatus for a cloud-based power quality monitor |
| DE102010036210A1 (en) * | 2010-08-31 | 2012-03-01 | Siemens Aktiengesellschaft | Switch i.e. power switch, for e.g. protecting consumers in electricity distribution systems, has bypass comparing detected current with threshold value and triggering interruption of current during excess of threshold value |
| DE102010036208A1 (en) * | 2010-08-31 | 2012-03-01 | Siemens Aktiengesellschaft | Switch i.e. power switch, for use in e.g. nuclear power plant, has peripheral units monitored with respect to errors, where message and/or opening of switch take place upon detection of errors of reaction, which is adjusted by operator |
| DE102010036207A1 (en) * | 2010-08-31 | 2012-03-01 | Siemens Aktiengesellschaft | Switch i.e. power switch for low voltages, has device for parameterization of triggering unit adapted to adjust digital resistance potentiometer at digital resistance value, which is corresponding to rated currents of switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209817A (en) * | 1978-03-15 | 1980-06-24 | Square D Company | Circuit breaker having an electronic fault sensing and trip initiating unit |
| FR2671228B1 (en) * | 1990-12-26 | 1996-07-26 | Merlin Gerin | CIRCUIT BREAKER COMPRISING AN INTERFACE CARD WITH A TRIGGER. |
| US5331501A (en) * | 1992-09-30 | 1994-07-19 | Westinghouse Electric Corp. | Electrical switching apparatus with digital trip unit and memory reset |
-
1996
- 1996-08-30 WO PCT/DE1996/001654 patent/WO1997008725A1/en active IP Right Grant
- 1996-08-30 JP JP50971997A patent/JP3568962B2/en not_active Expired - Fee Related
- 1996-08-30 DE DE59601351T patent/DE59601351D1/en not_active Expired - Fee Related
- 1996-08-30 EP EP96934413A patent/EP0847587B1/en not_active Expired - Lifetime
- 1996-08-30 US US09/029,175 patent/US6034859A/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7133270B2 (en) | 2002-05-08 | 2006-11-07 | Siemens Aktiengesellschaft | Electric power switch with an electronic memory unit for parameters and conversion factors |
Also Published As
| Publication number | Publication date |
|---|---|
| US6034859A (en) | 2000-03-07 |
| JP3568962B2 (en) | 2004-09-22 |
| JPH11512221A (en) | 1999-10-19 |
| WO1997008725A1 (en) | 1997-03-06 |
| DE59601351D1 (en) | 1999-04-01 |
| EP0847587A1 (en) | 1998-06-17 |
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