EP2276048B1 - Schaltvorrichtung mit Drehgriff - Google Patents

Schaltvorrichtung mit Drehgriff Download PDF

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Publication number
EP2276048B1
EP2276048B1 EP20100006270 EP10006270A EP2276048B1 EP 2276048 B1 EP2276048 B1 EP 2276048B1 EP 20100006270 EP20100006270 EP 20100006270 EP 10006270 A EP10006270 A EP 10006270A EP 2276048 B1 EP2276048 B1 EP 2276048B1
Authority
EP
European Patent Office
Prior art keywords
rotary knob
rotary handle
switched
clamping
stop
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
EP20100006270
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2276048A3 (de
EP2276048A2 (de
Inventor
Frank Hustert
Corell Göbel
Michael Konrad
Jiri Bittner
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.)
ABB AG Germany
Original Assignee
ABB AG Germany
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 ABB AG Germany filed Critical ABB AG Germany
Publication of EP2276048A2 publication Critical patent/EP2276048A2/de
Publication of EP2276048A3 publication Critical patent/EP2276048A3/de
Application granted granted Critical
Publication of EP2276048B1 publication Critical patent/EP2276048B1/de
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
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
    • 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
    • H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • H01H9/223—Defeatable locking means

Definitions

  • the invention relates to a switching device with a rotary handle for actuating a switching mechanism of an installation switching device having at least one upper housing wall, wherein the switching mechanism comprises a latch mechanism with a latch lever displaceable between an actuator and a unlatching position, the rotary handle corresponding to the switch position of the switch mechanism being switched on and off In the switch-on position, the force of a spring acts on the rotary handle in the direction of the switch-off position, and the latch mechanism can be unlatched and the latch lever can be brought into the unlatched position and the latch mechanism can be latched again when the rotary handle is returned to the switch-off position is, wherein interacts with the pawl lever and the rotary handle a displaceable between a Ver - and a Entklinkungslage control pin which when triggered from his Ver - i n his Entklinkungslage can be brought, in which he holds the rotary handle in a triggering position between the on and off position and prevents the latch lever from returning to
  • the invention further relates to an installation switching device, in particular a motor protection switch, with a switching device with a rotary handle for actuating a switching mechanism of the service switching device with at least one upper housing, wherein the switching mechanism a latch mechanism with a between a Ver - and a Entklinkungswolf displaceable latch lever comprises, wherein the rotary handle according to the switching position of the switch latch can take a switch - and a switch-off position and applied in the on position, the force of a spring the rotary handle toward switch-off, and wherein unlatched when triggered the latch mechanism and the Ratchet lever from the Ver - is brought into the Entklinkungswolf and latched when resetting the rotary handle in the off position of the latch mechanism again, with the latch lever and the rotary handle a displaceable between a Ver - and a Entklinkungslage control pin cooperates when triggered from his Ver - Is brought into its Entklinkungslage in which he holds the rotary handle in
  • Electrical service switching devices such as motor protection switch, u. a. a contact point arrangement with a fixed and a movable contact piece arrangement, a thermal and / or electromagnetic release and a switch lock, which cooperates on the one hand with the one or more triggers and on the other hand with the movable contact piece arrangement.
  • a latch mechanism is unlatched by the trigger, and the contact opening is usually via a lever system, such as a toggle lever system, which in conjunction with other levers and tabs transmits the movement of the switching mechanism on the contacts and this opens permanently.
  • the lever system can be moved via a rotary movement of a rotary handle and placed in an over-center position.
  • the rotary handle is then in its ON position.
  • a power storage is stretched.
  • the latching mechanism acts on transmission parts and thus on the contact point arrangement. When switching on, it is closed via the switch lock and opened when switched off.
  • Triggering unlocks the latch mechanism by overriding the latch support so that the lever system can collapse.
  • the switch lock acts in the collapse of the lever system due to the spring force in an opening manner.
  • the latch mechanism When resetting the rotary knob to the original position (switch-off position), the latch mechanism is reactivated so that the switch lock can be switched on again.
  • the return of the rotary handle to the off position when triggered automatically by the force of a force acting on the rotary handle toward switch-off spring is released, see DE 202 14 578 U1 .
  • the switch position is visually displayed to the operator. However, the operator does not see whether the rotary handle has automatically reached the switch-off position due to a release, or whether the rotary handle was intentionally moved out of the switch-on position to the switch-off position by another person.
  • the switch lock can be released when the handle is held in the switch-on position without being affected.
  • the rotary handle In contact welding, the rotary handle must not enter the switch-off position and thereby notify the operator of a contact opening which, in actual fact, does not exist when the contact is welded.
  • a generic switching device in which the rotary handle is held after release in an intermediate position, is in the DE 10 2006 057 649 A1 shown.
  • the intermediate position of the rotary handle In the intermediate position of the rotary handle is held with a low locking shoulder on the pin extension of the control pin. If the rotary handle is to be reset from the intermediate position by hand in the off position, the resistance of Rastabsatzes is overcome by applying a torque on the rotary handle, and the rotary handle can be moved back to the off position, at the same time on the subsequent to the locking shoulder control slope of Control pin is pushed back into its Verklinkungslage. It may happen that the rotary handle even without manual operation, so to speak by itself, slips over the locking shoulder and thus inadvertently enters the open position
  • the receiving pocket has a clamping device for releasably holding the pin extension and a subsequent to the clamping device in the direction of rotation of the rotary handle control slope, the mutual arrangement of the control pin, the rotary handle and the latch lever is set so that jammed in a triggering the pin extension with the clamping device and thereby holds the rotary handle in the triggering position, and wherein upon movement of the rotary handle from the trigger - in the off position, the clamping device releases the pin extension and the rotary handle over the control slope pushes the pin extension so far into the housing that the pawl lever into engagement with the Verklinkungszone of the shaft can get into its Verklinkungswolf.
  • the clamping device on the rotary handle ensures a secure blocking of the pin extension of the control pin in the release position.
  • the clamping force with which the pin extension holds the rotary handle is so great that accidental slippage of the rotary handle from the release position to the OFF position is thus prevented.
  • the force for further rotation must be so great that it overcomes the clamping force, so that the control pin escapes from the clamping device and then the rotary handle is released from the control pin again.
  • the rotary handle with the control slope presses the control pin back down into its Verklinkungslage.
  • the latch lever in the Verklinkungswolf in which he holds the control pin in its Verklinkungslage. In the closed position of the rotary handle this holds by pressing its underside on the pin extension the control pin in its Verklinkungslage.
  • An advantageous embodiment of the invention is characterized in that the clamping device is at least partially elastic.
  • the clamping device may comprise a stop and an elastic pressure means, which define a clamping space between them.
  • the stop may be a fixed wall which protrudes perpendicular to the outside of the rotary handle from the inside of the receiving pocket.
  • the pressure means is a pressure wall which protrudes perpendicular to the outside of the rotary handle from the inside of the receiving pocket and is resiliently formed towards the stop.
  • the pressure wall can be designed in the form of a beam resiliently clamped on one side at its clamping point.
  • the reliability of the holding action by the nip can be increased according to an advantageous embodiment of the invention, when the stop carries a protruding into the terminal compartment nose.
  • the stopper is resilient.
  • the stopper is a stop wall which protrudes perpendicularly to the outside of the rotary handle from the inside of the receiving pocket and is resiliently formed towards the pressure means.
  • FIGS. 1 to 4 each identical or equivalent elements or assemblies are each denoted by the same reference numerals.
  • a bearing pin 14 On the upper housing wall 12 of a service switching device 10 is a bearing pin 14 which is mounted perpendicular projecting on the upper housing wall 12. The rear front sides 16, 18 of the service switching device 10 with screw connection terminals 20 can also be seen.
  • an opening 22 is mounted, which is penetrated by the pin extension 24 of a control pin 26 (see also Figure 2a-c ).
  • the pin extension 24 projects so far out of the upper housing wall 12, that he put on the bearing pin 14 rotary handle 28 (see FIG. 3 . FIG. 4 and FIG. 2b ) in its triggering position, as will be explained below.
  • FIGS. 2a-c show a schematic representation of the interaction of the control pin 26 with the latch lever 32 and the rotary handle 28 in the on position ( FIG. 2a ), the trigger position ( FIG. 2b ), and the switch-off position ( Figure 2c ).
  • the control pin 26 comprises an elongated, cylindrical base body 34. At its one narrow side, a likewise elongate, cylindrical functional body 38 is integrally formed. At the free end of the functional body 38 of the pin extension 24 is formed, here as a cylindrical body with hemispherical conclusion and with a functional body 38 corresponding diameter. At the transition between the functional body 38 and the pin extension 24, the control pin 26 carries a circumferential collar 40.
  • the functional body 38 and the pin extension 24 are shown here with the same diameter. That can be so, it does not have to. Also, different diameters of functional body 38 and pin extension 24 are conceivable.
  • the control pin 26 is arranged with its longitudinal extension direction approximately perpendicular to the upper housing wall 12 of the service switching device 10. It is shown on the narrow side opposite the functional body 38 by a spring 56, here as a cylindrical spring, but it could also be a different type of spring, acted upon in the direction of the upper housing wall 12.
  • the control pin 26 corresponds to an opening 22 in the upper housing wall 12 so that the pin extension 24 can penetrate the opening 22 to the outside.
  • the upper housing wall 12 facing side of the rotary handle 28 has a receiving pocket 46 which is arranged so that it can receive the pin extension 24 of the control pin 26.
  • the arrow P in Fig. 2 a - c and Fig. 3 and Fig. 4 denotes the direction of rotation when the rotary handle 28 is rotated from its on position to its off position.
  • the boundary of the receiving pocket 46 is formed by a ramp-shaped control slope 50, from the inside 51 of the receiving pocket 46 to the housing wall 12 facing outside 49 of the rotary handle 28, just to the level of the upper housing wall 12, runs, ie opposite to the direction of the arrow P.
  • the direction of arrow P seen in front of the control slope 50 in Fig.
  • FIG. 2 a - c thus left of the control slope 50, protruding from the inner side 51 of the receiving pocket 46, starting vertically downward pointing to the upper housing wall 12 toward a clamping device 48.
  • Fig. 2 a - c is shown schematically as a wall and designed so that it can jam with the pin extension 24 when the rotary handle 24 from its on position, see Fig. 2a is moved to its off position, so that the rotary handle 28 then by the pin extension 24 in its release position according to Fig. 2b is held.
  • control slope 50 extends in the interior of the edge region of the circular pot portion 42 as an inclined plane.
  • the displacement of the longitudinal section of the rotary handle 28 during the transition between the switch-on, the triggering and the switch-off position is shown as a lateral displacement parallel to the upper housing wall 12. It is understood that functionally the same effect is achieved when the rotary handle 28 is rotated about the pivot pin 14.
  • the rotary handle 28 is in the schematic representation in the lower part of Figures 2a-c by a cylindrical spring 25, and in one embodiment according to FIG. 3 by a spring inserted in the pot portion 42, at one end of a tangentially extending leg protrudes (not shown in FIG Fig. 3 ), in the direction of its switch-off position.
  • a spring inserted in the pot portion 42 at one end of a tangentially extending leg protrudes (not shown in FIG Fig. 3 ), in the direction of its switch-off position.
  • the control pin 26 is blocked by the latch lever 32. If the rotary handle were held in a triggering in its closed position, so would still be triggered. This is called a free release. Then, when the handle is released, it should stop in the trigger position, and not immediately turn to the off position. How this is realized is explained below.
  • the latch mechanism of the latch mechanism is briefly unlatched, whereby the latch lever is moved against the force of the pawl spring 52 in its Entklinkungswolf.
  • the pawl lever 32 releases the control pin 26, so that it can be accelerated upward in the direction of the upper housing wall 12 due to the force exerted on it by the spring 56.
  • the pin extension 24 holds due to the jamming with the clamping device 48, the rotary handle 28 on its way between the on position and the off position in an intermediate release position, see FIG. 2b , In this position, the handle portion 44 assumes an angle between 0 and 90 ° to the vertical, in the FIG. 2b an angle of about 30 ° is shown. An operator recognizes at this position of the rotary handle 28 that a tripping of the switching device has taken place.
  • FIG. 3 shows an implementation form of a clamping device 48 according to the invention.
  • the stopper 481 is an Anformung on the inside 51 of the receiving pocket 46.
  • the Anformung has approximately the shape of a cylindrical pad. Its lateral lateral surface extends inwardly into the receiving pocket 46 and forms the first, inner boundary of the receiving pocket 46.
  • the other, outer lateral boundary of the receiving pocket 46 is formed by an elastically resilient wall section 482. This is integrally formed on a clamping point on the outer edge of the pot portion 42. He presses resiliently in the manner of a one-sided resiliently clamped beam inwardly against the stop 481.
  • a counter to the arrow P tapered guide channel for the pin extension 24 is formed between the stop 481 and the pressure means.
  • the guide channel acts like a terminal space for the pin extension.
  • its opening cross-section is larger than the outer diameter of the pin extension 24, so that it is guided in a funnel shape into the clamping space 483.
  • the opening cross section tapers so that it becomes smaller than the outer diameter of the pin extension 24.
  • the pin extension 24 is then resiliently clamped between the stopper 481 and the pressure means 482. The further rotational movement of the rotary handle 28 is inhibited by the clamping.
  • the escapement is further assisted by a nose 484, which is formed near the nip 485 at the exit of the funnel-shaped clamping space to the stop 481.
  • the nose 484 is created here by molding a further cylindrical body. This results in a stop edge for the pin extension, which causes a reliable inhibition of the further movement of the rotary handle 28.
  • the rotary handle 28 with the clamping device 48 is advantageously designed as a single injection molded part.
  • FIG. 4 shows another possible embodiment for a clamping device 48.
  • the stopper 481 is not as a solid body as in Fig. 3 shown, but designed as a fixed stop wall 486.
  • the side surface of the abutment wall 486 has a curvature which is convexly bent inwardly into the terminal space.
  • a funnel-shaped clamping opening such as a trap
  • stop wall is formed elastically resilient.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Lock And Its Accessories (AREA)
EP20100006270 2009-07-17 2010-06-17 Schaltvorrichtung mit Drehgriff Active EP2276048B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009033749 2009-07-17
DE102009048933A DE102009048933A1 (de) 2009-07-17 2009-10-10 Schaltvorrichtung mit Drehgriff

Publications (3)

Publication Number Publication Date
EP2276048A2 EP2276048A2 (de) 2011-01-19
EP2276048A3 EP2276048A3 (de) 2012-04-04
EP2276048B1 true EP2276048B1 (de) 2012-10-24

Family

ID=42959635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100006270 Active EP2276048B1 (de) 2009-07-17 2010-06-17 Schaltvorrichtung mit Drehgriff

Country Status (3)

Country Link
EP (1) EP2276048B1 (zh)
CN (1) CN101958208B (zh)
DE (1) DE102009048933A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006057649B4 (de) * 2006-12-07 2021-03-04 Abb Schweiz Ag Schaltvorrichtung
DE102010005345B4 (de) 2010-01-21 2022-04-21 Abb Schweiz Ag Elektrisches Schaltgerät in modularer Bauweise
DE202015100926U1 (de) 2015-02-26 2015-03-10 Abb Technology Ag Elektrisches Schaltgerät in modularer Bauweise
US10451122B2 (en) * 2015-04-14 2019-10-22 Borgwarner Inc. Multi-mode clutch system with sliding cam profiles
CN108538657B (zh) * 2017-03-06 2024-02-20 上海良信电器股份有限公司 一种旋转式隔离开关操作机构的改良结构
CN110911187B (zh) * 2018-09-18 2024-07-16 上海良信电器股份有限公司 一种旋转式开关操作机构
CN112216567A (zh) * 2020-10-30 2021-01-12 上海良信电器股份有限公司 旋转开关的操作装置及旋转开关

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382331A (en) * 1966-11-30 1968-05-07 Gen Electric Circuit breaker rotary handle mechanism cam lock
FR2827076B1 (fr) * 2001-07-06 2004-03-12 Schneider Electric Ind Sa Disjoncteur et son mecanisme de commande
DE10139917A1 (de) 2001-08-14 2003-02-27 Abb Patent Gmbh Schaltschloß für ein elektrisches Schaltgerät, insbesondere für einen Motorschutzschalter
DE20214578U1 (de) 2002-09-20 2003-03-06 ABB Patent GmbH, 68526 Ladenburg Schaltvorrichtung für ein elektrisches Schaltgerät
DE102006057649B4 (de) 2006-12-07 2021-03-04 Abb Schweiz Ag Schaltvorrichtung

Also Published As

Publication number Publication date
DE102009048933A1 (de) 2011-01-27
CN101958208B (zh) 2014-06-25
EP2276048A3 (de) 2012-04-04
CN101958208A (zh) 2011-01-26
EP2276048A2 (de) 2011-01-19

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