EP2592640B1 - Commutateur électrique - Google Patents

Commutateur électrique Download PDF

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Publication number
EP2592640B1
EP2592640B1 EP12185026.7A EP12185026A EP2592640B1 EP 2592640 B1 EP2592640 B1 EP 2592640B1 EP 12185026 A EP12185026 A EP 12185026A EP 2592640 B1 EP2592640 B1 EP 2592640B1
Authority
EP
European Patent Office
Prior art keywords
rotor housing
switch
control element
switch according
display
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
EP12185026.7A
Other languages
German (de)
English (en)
Other versions
EP2592640A2 (fr
EP2592640A3 (fr
Inventor
Lukas Kalous
Milos Petracek
Pavel Mrtvy
Daniel Vavra
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
Publication of EP2592640A2 publication Critical patent/EP2592640A2/fr
Publication of EP2592640A3 publication Critical patent/EP2592640A3/fr
Application granted granted Critical
Publication of EP2592640B1 publication Critical patent/EP2592640B1/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
    • 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
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • 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
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • 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
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • H01H1/2058—Rotating bridge being assembled in a cassette, which can be placed as a complete unit into a circuit breaker

Definitions

  • the invention relates to an electrical switch, in particular an electrical circuit breaker, with a rotor housing that can be rotated into an on and an off position, and at least one electrical contact arm that is rotatably mounted in the rotor housing and can be pivoted together with and relative to the rotor housing.
  • Such a switch is from the German Offenlegungsschrift DE 10 2008 039 066 A1 known.
  • This switch comprises a rotor housing and a contact bridge which is rotatably mounted in the rotor housing and has two electrical contact arms and which can be pivoted between an on position and an off position and relative to the rotor housing.
  • the electrical contact bridge In the on position, the electrical contact bridge connects contact elements of the contact bridge to stationary contact elements of the switch.
  • the contact elements of the contact bridge and the fixed contact elements of the switch are separated.
  • the contact bridge can be swiveled to switch it on and off by turning the rotor housing; the rotating rotor housing swings the contact bridge with it.
  • the contact bridge can pivot or rotate and assume a "tripped" position without rotating the rotor housing, i.e. relative to the rotor housing, if the current flowing through the contact bridge becomes too large: In this case, the contact bridge is activated via a caused by the current pivoted magnetic force relative to the rotor housing, whereby the contact elements of the contact bridge and the stationary contact elements of the switch are separated from each other.
  • a circuit breaker equipped with a compatible remote control that includes a mechanical transmission linkage independent of the main mechanism to control the position of the moving contact to a display that automatically unlocks a lock in the open position to allow a slider to be locked with a padlock.
  • the mechanical connection is in two parts, consisting of a pusher connected to a control lever on which the display is arranged, and a connecting rod articulated to the shift rod.
  • the DE 602 12 701 T2 discloses a rotary contact support shaft for a low-voltage circuit breaker, having a modular construction comprising at least a first and a second support module along the axis of rotation, each module being operatively coupled to at least one corresponding moving contact of the circuit breaker, and each having first and second means for Connect is provided with at least a first connection module.
  • the invention is based on the object of specifying a switch which enables particularly safe handling by operating personnel.
  • the switch has a display element that is directly or indirectly coupled to the rotor housing and that, independently of a respective actual position of the contact arm, shows the on position of the rotor housing in a display position, in which the display element protrudes from the switch housing, and in a another display position, the off position of the rotor housing, in which the display element does not protrude from the switch housing, indicates.
  • An essential advantage of the switch according to the invention can be seen in the fact that the position of the rotor housing of the switch is visualized by the adjustable display element provided according to the invention. It is thus possible to recognize the position of the rotor housing and to determine whether the switch is in a safe state, because only when the rotor housing assumes its off position is it certain that the switch must actually be switched off and also the contact arm mounted in the rotor housing must assume its off position.
  • the switch according to the invention thus also does justice to the problem of fused contacts. If the electrical contacts of the switch are fused together, for example due to an overcurrent situation, the rotor housing cannot assume its off position, so that this state can be recognized—regardless of the position of a handle of the switch, for example.
  • the adjustable display element can interact directly or indirectly with the rotor housing. However, it is considered advantageous if a deflection element is present, which interacts with a control element coupled to the rotor housing and adjusts the display element when the control element rotates.
  • the switch can have a contact bridge, for example, which includes the contact arm and another contact arm, each of the two contact arms being equipped with a contact element at its contact arm end.
  • the switch has a handle—for example in the form of an operating lever—which is coupled to the rotor housing and enables the switch to be switched on and off if there is no fault .
  • the display element preferably indicates the position of the rotor housing independently of the position of the handle.
  • the deflection element converts a rotary movement of the control element into a lifting movement of the adjustable display element.
  • the adjustable indicator element is held in a sliding manner and (e.g. due to gravity or due to a spring force) reaches or falls into its indicator position indicating the off position of the contact arm, provided it is not lifted by the deflection element or is held in the raised position by the deflection element.
  • the deflection element rests on the outside of the control element and the outer contour of the control element is dependent on the angle of rotation in such a way that the deflection element is moved, in particular displaced and/or pivoted, when the control element is rotated.
  • the control element is preferably a control disk, for example a cam disk.
  • the adjustable indicator element (e.g. due to gravity or due to a spring force) moves into its indicator position indicating the off position of the rotor housing or falls when the rotor housing assumes its off position, and (e.g against gravity or a spring force) into its indicating position indicating the on position of the rotor housing or raised when the rotor housing assumes its on position.
  • the deflection element comprises a movable lever or is formed by one that is in mechanical contact with the control element with its first lever arm and with the adjustable display element with its second lever arm.
  • first lever arm rests on the outside of an outer contour of the control element (e.g. due to gravity or due to spring force) and if the adjustable display element rests on the second lever arm (e.g Due to the force of gravity or due to a spring force).
  • the adjustable display element is held in a sliding manner.
  • the deflection element is a pivotable lever (preferably in the form of a rocker)
  • the adjustable indicator element e.g. due to gravity or due to spring force
  • moves to its off position of the rotor housing Indication position comes or falls when the first lever arm of the lever is lifted by the control element and in its on position of the rotor housing indicative Display position is brought or raised when the first lever arm of the lever (z. B. due to gravity or due to a spring force) lowers.
  • the deflection element is a (e.g. translatory) displaceable lever
  • the adjustable indicator element e.g. due to gravity or due to spring force
  • the control element e.g. due to gravity or due to a spring force
  • the control element e.g. against gravity or a spring force
  • the control element can have a guide slot that guides the deflection element.
  • the control element can be a separate part that is connected to the rotor housing.
  • the connection can be a plug-in connection, for example.
  • the control element can be attached to the rotor housing.
  • control element can be connected in one piece to the rotor housing and/or form part of the rotor housing.
  • FIG 1 one sees components of an electrical contact system 10 for an electrical switch in a three-dimensional view.
  • a rotor housing 20 which can be rotated in the direction of an arrow P can be seen.
  • a contact bridge 30 which can also be pivoted along the direction of the arrow P together with the rotor housing 20 or also relative to the rotor housing 20 .
  • the axis of rotation about which the contact bridge 30 and the rotor housing 20 can be rotated or pivoted is in the figure 1 denoted by the reference numeral 40.
  • the contact bridge 30 is formed by a first contact arm 50 and a second contact arm 51 .
  • Each of the two contact arms 50 and 51 is equipped with a contact element at the end of the contact arm.
  • the contact elements are in the figure 1 denoted by the reference numerals 60 and 61.
  • the two contact rails 70 and 71 which interact with the contact bridge 30.
  • the two contact rails 70 and 71 are each equipped with a stationary contact element 80 and 81, respectively.
  • the rotor housing 20 is in the on position and the contact bridge 30 is also in its on position: the switch is therefore closed, so that an electric current can flow from the contact rail 70 via the contact bridge 30 to the contact rail 71.
  • the contact elements 60 and 61 of the contact bridge 30 rest on the corresponding stationary contact elements 80 and 81 of the two contact rails 70 and 71 .
  • the figure 2 shows the contact system 10 according to FIG figure 1 in the tripped state: the contact bridge 30 is in its off position, with the rotor housing 20 unchanged assuming its on position. It can be seen that the contact bridge 30 is pivoted relative to the rotor housing 20 and relative to the position shown in FIG. Due to the pivot angle, the contact elements 60 and 61 of the contact bridge 30 are separated from the corresponding stationary contact elements 80 and 81 of the two contact rails 70 and 71.
  • the figure 3 shows an embodiment of a switch 100 with the contact system 10 according to figures 1 and 2 Is provided.
  • the contact system 10 is located within a pole cassette 110 of the switch 100.
  • a control element in the form of a control disk 120 is attached to the rotor housing 20 of the contact system 10 .
  • the control disc 120 thus rotates with the rotor housing 20 about the axis of rotation D of the rotor housing 20 with.
  • the outer contour 121 of the control disk 120 is a function of the angle of rotation.
  • the switch 100 is also equipped with a deflection element in the form of a lever 130 whose first lever arm 131 interacts with the outer contour 121 of the control disk 120 .
  • the lever 130 is mounted in such a way that the first lever arm 131 always rests on the outer contour 121 of the control disk 120 .
  • the relative position of the first lever arm 131 is therefore dependent on the respective angle of rotation of the rotor housing 20, since the outer contour 121 of the control disc 120--as already mentioned--is dependent on the angle of rotation.
  • the first lever arm 131 of the lever 130 is raised or lowered depending on the respective angle of rotation of the rotor housing 20 .
  • the lever 130 can be mounted in a displaceable and/or pivotable manner about a pivot axis in order to enable it to rest on the outer contour 121 .
  • the lever 130 also has a second lever arm 132 on which a lower end 141 of a display element 140 rests. So there is the second lever arm 132 of the lever 130 in one of the figure 3 lower position, the display element 140 will also lower and assume a lower position. Correspondingly, the indicator element 140 will be lifted by the second lever arm 132 of the lever 130 when this itself assumes its upper position.
  • the rotor housing 20 of the switch 100 in its on position, in which the contact bridge 30 of the contact system 10 can assume a closed position.
  • the contact bridge 30 is live.
  • This position of the rotor housing 20 is now determined by the corresponding position of the control disc 120, the position of the lever 130 and in particular that of the second lever arm 132 and thus indicated by the position of the display element 140; because the display element 140 is in the in the figure 3 shown position of the rotor housing 20 raised, which is preferably visible from the outside.
  • the figure 4 shows switch 100 in FIG figure 3 illustrated on-position of the rotor housing 20 in a different representation.
  • the second lever arm 132 of the lever 130 will lift the display element 140 so that it can protrude from the switch housing 101 .
  • the on position of the rotor housing 20 can thus be recognized by the display element 140 . It is thus visible to a user of the switch 100 from the outside that the position of the rotor housing 20 would allow the contact bridge 30 to be in the closed state. It is therefore possible that the contact bridge 30 is in its on position and current can flow through the switch 100 .
  • the display element 140 displays this state independently of the respective actual position of the contact bridge 30 and independently of the respective position of a handle 150 with which the electrical switch 100 can be switched on or off. The display element 140 thus makes it possible to signal a potentially switched-on state of the switch 100, even if the handle 150 assumes a different position and suggests that the switch 100 must be switched off.
  • the figure 5 shows the switch 100 according to FIGS Figures 3 and 4 again in the off position of the rotor housing 20.
  • the rotor housing 20 is rotated relative to the on position, so that the contact bridge 30 is inevitably also pivoted into its off position.
  • a current flow through the contact system 10 is thus excluded in the illustrated off position of the rotor housing 20 .
  • the display element 140 will thus assume a lower position in which it will no longer protrude from the switch housing 101 of the switch 100. Contrary to the representation according to figure 4 So when the display element 140 is in a lower position, the upper section 142 will no longer be visible. An operator can thus see that the electrical switch 100 is in a safe state, since the rotor housing 20 has actually reached its off position.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Claims (12)

  1. Commutateur électrique (100), en particulier commutateur d'alimentation électrique, doté d'un boîtier de commutateur (101), d'un boîtier de rotor (20) qui peut être tourné dans une position MARCHE ou une position ARRÊT, et
    d'au moins un bras de contact électrique (50, 51) monté en rotation dans le boîtier de rotor (20), qui peut pivoter avec et par rapport au boîtier de rotor (20), le bras de contact (50, 51) pouvant pivoter dans une position ARRÊT lorsque le boîtier de rotor (20) est dans sa position MARCHE, caractérisé par
    un élément d'affichage (140) couplé directement ou indirectement au boîtier de rotor (20) et qui, indépendamment d'une position réelle respective du bras de contact (50, 51) dans une position d'affichage, affiche la position MARCHE du boîtier de rotor (20), dans laquelle l'élément d'affichage (140) dépasse du boîtier de commutateur (101), et, dans une autre position d'affichage, affiche la position ARRÊT du boîtier de rotor (20), dans laquelle l'élément d'affichage (140) ne dépasse pas du boîtier de commutateur (101).
  2. Commutateur selon la revendication 1, caractérisé par un élément de commande qui est mis en rotation lorsque le boîtier de rotor (20) tourne, et
    un élément de déviation qui interagit avec l'élément de commande et règle l'élément d'affichage (140) lorsque l'élément de commande tourne.
  3. Commutateur selon la revendication 2,
    caractérisé en ce que
    l'élément de déviation transforme un mouvement de rotation de l'élément de commande en un mouvement de course de l'élément d'affichage réglable (140).
  4. Commutateur selon l'une des revendications précédentes 2 ou 3, caractérisé en ce que
    l'élément d'affichage réglable (140) est maintenu en coulissement et atteint sa position d'affichage affichant la position ARRÊT du boîtier de rotor (20), à condition qu'il ne soit pas soulevé par l'élément de déviation ou qu'il ne soit pas maintenu en position soulevée.
  5. Commutateur selon l'une des revendications précédentes 2 à 4, caractérisé en ce que
    l'élément de déviation repose sur l'extérieur de l'élément de commande et le contour extérieur de l'élément de commande dépend de l'angle de rotation de sorte que lorsque l'élément de commande tourne, l'élément de déviation est déplacé, en particulier décalé et/ou pivote.
  6. Commutateur selon l'une des revendications précédentes 2 à 5, caractérisé en ce que
    l'élément de commande est un disque de commande (120), en particulier un disque à cames.
  7. Commutateur selon l'une des revendications précédentes 2 à 6, caractérisé en ce que
    l'élément de déviation comprend, ou est formé par, un levier mobile (130) qui est en contact mécanique avec son premier bras de levier (131) avec l'élément de commande et avec son second bras de levier (132) avec l'élément d'affichage réglable (140).
  8. Commutateur selon la revendication 7, caractérisé en ce que
    le premier bras de levier (131) repose sur l'extérieur d'un contour extérieur de l'élément de commande et
    en ce que l'élément d'affichage réglable (140) repose sur le second bras de levier (132).
  9. Commutateur selon la revendication 7 ou 8, caractérisé en ce que
    l'élément d'affichage réglable (140) est maintenu en coulissement et atteint sa position d'affichage affichant la position ARRÊT du boîtier de rotor (20), lorsque le boîtier de rotor (20) occupe sa position ARRÊT, et
    l'élément d'affichage réglable (1490) est soulevé par l'élément de déviation et amené dans sa position d'affichage affichant la position MARCHE du boîtier de rotor (20) lorsque le boîtier de rotor (20) occupe sa position MARCHE.
  10. Commutateur selon l'une des revendications précédentes 2 à 9, caractérisé en ce que
    l'élément de commande présente une coulisse de guidage et l'élément de déviation est guidé dans la coulisse de guidage.
  11. Commutateur selon l'une des revendications précédentes 2 à 10, caractérisé en ce que
    l'élément de commande est une pièce distincte qui est reliée au boîtier de rotor et/ou enfilée sur le boîtier de rotor.
  12. Commutateur selon l'une des revendications précédentes 2 à 11, caractérisé en ce que
    l'élément de commande est formé d'un seul tenant avec le boîtier de rotor (20) et/ou fait partie du boîtier de rotor (20) .
EP12185026.7A 2011-11-14 2012-09-19 Commutateur électrique Active EP2592640B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011086307A DE102011086307A1 (de) 2011-11-14 2011-11-14 Elektrischer Schalter

Publications (3)

Publication Number Publication Date
EP2592640A2 EP2592640A2 (fr) 2013-05-15
EP2592640A3 EP2592640A3 (fr) 2014-09-10
EP2592640B1 true EP2592640B1 (fr) 2022-02-02

Family

ID=46845649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12185026.7A Active EP2592640B1 (fr) 2011-11-14 2012-09-19 Commutateur électrique

Country Status (4)

Country Link
US (1) US9035206B2 (fr)
EP (1) EP2592640B1 (fr)
CN (1) CN103107026B (fr)
DE (1) DE102011086307A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013208373A1 (de) * 2012-08-29 2014-03-06 Siemens Aktiengesellschaft Rotor für einen elektrischen Schalter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008039066A1 (de) * 2008-08-21 2010-02-25 Siemens Aktiengesellschaft Leistungsschalter mit verschwenkbarem Überbrückungselement

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
JPS4423644Y1 (fr) 1965-08-18 1969-10-06
IT1230203B (it) * 1989-05-25 1991-10-18 Bassani Spa Interruttore automatico di protezione magnetotermica ad elevato potere di interruzione.
FR2701617B1 (fr) 1993-02-16 1995-04-14 Merlin Gerin Disjoncteur à télécommande et à fonction de sectionnement.
US6107902A (en) * 1998-11-19 2000-08-22 General Electric Company Circuit breaker with visible trip indicator
US6495781B2 (en) * 2000-12-27 2002-12-17 General Electric Company Handle position indicator
ITMI20012587A1 (it) * 2001-12-10 2003-06-10 Abb Service Srl Albero porta contatti per un interruttore di potenza di bassa tensione
DE10222360A1 (de) * 2003-02-07 2003-12-04 Hager Electro Gmbh Leitungs- und/oder Geräteschutzschalter
CN101188176B (zh) * 2007-11-27 2010-08-11 Tcl低压电器(无锡)有限公司 能正确显示塑壳断路器触头合分的装置
CN101916692B (zh) * 2010-08-13 2016-02-10 乐清市公认电气有限公司 一种具有分合闸指示机构的塑壳断路器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008039066A1 (de) * 2008-08-21 2010-02-25 Siemens Aktiengesellschaft Leistungsschalter mit verschwenkbarem Überbrückungselement

Also Published As

Publication number Publication date
DE102011086307A1 (de) 2013-05-16
US9035206B2 (en) 2015-05-19
CN103107026B (zh) 2016-12-07
EP2592640A2 (fr) 2013-05-15
CN103107026A (zh) 2013-05-15
EP2592640A3 (fr) 2014-09-10
US20130118870A1 (en) 2013-05-16

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