EP2737509A2 - Dispositif de verrouillage pour une unité d'entraînement d'un mécanisme d'entraînement à trois positions destiné à un appareil de connexion d'une installation de commutation - Google Patents

Dispositif de verrouillage pour une unité d'entraînement d'un mécanisme d'entraînement à trois positions destiné à un appareil de connexion d'une installation de commutation

Info

Publication number
EP2737509A2
EP2737509A2 EP12733426.6A EP12733426A EP2737509A2 EP 2737509 A2 EP2737509 A2 EP 2737509A2 EP 12733426 A EP12733426 A EP 12733426A EP 2737509 A2 EP2737509 A2 EP 2737509A2
Authority
EP
European Patent Office
Prior art keywords
locking
switching
switching device
locking device
drive
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.)
Granted
Application number
EP12733426.6A
Other languages
German (de)
English (en)
Other versions
EP2737509B1 (fr
Inventor
Sebastian Breisch
Henrik Lohrberg
Franz-Josef Körber
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 Schweiz AG
Original Assignee
ABB Technology 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 ABB Technology AG filed Critical ABB Technology AG
Priority to EP12733426.6A priority Critical patent/EP2737509B1/fr
Publication of EP2737509A2 publication Critical patent/EP2737509A2/fr
Application granted granted Critical
Publication of EP2737509B1 publication Critical patent/EP2737509B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • 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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts

Definitions

  • the invention relates to a locking device for a drive unit of a three-position drive for actuating a switching device of a, preferably gas-insulated, switchgear according to the preamble of claim 1.
  • the locking device according to the invention is particularly intended for a combined isolation earthing switch in low voltage, medium voltage and high voltage switchgear and Can also be used in air or vacuum insulated switchgear.
  • provided in a voltage transformer assembly in low-voltage, medium-voltage and high-voltage switchgear for actuating the switching device for the voltage converter and can also be used in air or vacuum insulated switchgear.
  • a locking device which is used in electromechanical drive units for operating a switching device of a switchgear is intended to lock the switching device after a fixed number of revolutions of a drive pulley of the drive unit and thus bring it into a predetermined position or level.
  • Typical applications include disconnectors and earthing switches, which combine the functions of disconnecting and grounding, in which a contact system can be brought into several corresponding positions.
  • a three-position drive is required, which brings the switching device in a first switch position "disconnect switch, grounding switch off,” in a second switch position “disconnector off, grounding switch turned on” and in a third switch position “disconnector and earthing switch off” and the current respective switching positions of Disconnecting and earthing switch indicates.
  • the safety requirements for the drive units of the switching devices not only require a high reliability of the switching operations but also an exact display of the switching positions of the cooperating switching device.
  • the object of the invention is to provide a locking device for a three-position drive for actuating a switching device of a switchgear, which is simple and inexpensive and thereby meets all required safety requirements.
  • the locking device according to the invention for a three-position drive is provided in particular for a combined disconnecting earthing switch in low-voltage, medium-voltage and high-voltage switchgear.
  • a locking device for a drive unit for actuating a switching device preferably for actuating the switching device for a combined disconnector and earthing switch of the switchgear
  • a spindle drive also referred to as spindle assembly below
  • spindle assembly for actuating the switching device and a coupled or engageable gear transmission
  • the locking device of the switching device in one of three predetermined locking positions "position 1", position 2 or “position 3", for example, the switch positions “disconnector on, grounding switch off", “disconnector off, earthing switch turned on” and “disconnector and earthing switch off
  • the switching positions can be displayed by means of intended position indicator modules, the number of partial revolutions for the interlocking of the switching device being either greater or smaller than one complete revolution of the drive shaft and if the defined number of revolutions is not reached, no indication of the position or switching position takes place at the position indicator module.
  • the gear transmission is composed of two meshing gear wheels with a defined gear ratio, each of the gear wheels cooperating with three associated locking washers, which are then engaged with the locking elements associated Rastusionncruen.
  • the locking discs are three locking elements, hereinafter also referred to as locking elements, assigned, wherein the locking elements each have at least two engagement parts, provided for engagement in the engagement points of the locking discs have.
  • the first locking element for locking the locking discs for a first switching position the second locking element for locking the locking discs for a second switching position
  • the third locking element for locking the locking discs for a third switching position is provided.
  • the engagement parts are each formed by an undercut latching nose which engages in the engagement points of the latching element designed as a corresponding undercut recess.
  • the locking lug is undercut in such a way that it can lock positively with the corresponding rear-cut recess of the engagement point.
  • a first switching position of the switching device for example "disconnector switched on, earthing switch off"
  • the detents of the first locking element engage in the recess of the detent disks and the first switching position of the switching device is indicated on the position indicator module switched off
  • earthing switch on engage the locking lugs of the second locking element in the point of engagement of the locking discs and an indication of the second switching position of the switching device takes place on the position indicator module.
  • a third switching position of the switching device such as "disconnector and earthing switch off” engage the locking lugs of the third locking element in the point of engagement of the locking discs and an indication of the third switching position takes place on the position indicator module.
  • a housing For receiving the components of the locking device is a housing provided, which is preferably constructed of a plurality of stacked sheet metal parts, wherein the openings required in the sheet metal parts for the respective components are preferably cut into the sheet by means of a laser.
  • the locking device may also be housed in a cast housing.
  • limit switch for switching off the drive motor, for example, for self-locking of the locking device in case of overload, connecting elements for connecting the Drive motor and the spindle of the spindle assembly, connecting parts for the position indicator modules for displaying the first, the second and the third position of the switching device.
  • the locking device according to the invention in a common lockable housing with the other components of the drive unit can be accommodated.
  • the housing of the locking device itself is formed of two side parts and an associated upper and lower support plate, wherein the gear transmission is held with the locking discs of the upper and lower support plate of the housing.
  • the upper support plate has a passage for the connection element for connection of the drive motor via the provided shaft-hub connection.
  • the upper and the lower support plate thus form with the two side parts a further advantageous embodiment of the housing for receiving the components of the locking device.
  • the locking device according to the invention can be in an advantageous manner from inexpensive standard components, such as sheet metal parts, gears, standardized pluggable connection parts for motor and spindle drive, limit switches, locking washers and locking elements and auxiliary switches by means of modular assemble and requires only one drive, either a motor or a hand crank.
  • the locking device can be made in advance completely made of standard components and tested independently of the other components of the switchgear cost, transported and installed in a small amount of time. This considerably reduces the costs of the switchgear.
  • the above-described design of the locking device according to the invention is advantageously based on a modular design of a few standard components, which are optimally arranged within the housing taking advantage of a minimal space requirement, whereby a significant cost reduction over known locking devices in gas-insulated switchgear is achieved.
  • a drive or a motor unit is provided, which drives the spindle mechanism.
  • a hand crank is provided for the manual operation of the switching device.
  • a locking unit is integrated, which prevents the engine starts while the hand crank for manual operation is plugged into the locking device.
  • a typical application for the use of the locking device according to the invention is the operation of the switching device of a combined disconnector and earthing switch of a low-voltage, medium-voltage or high-voltage switchgear.
  • the locking device for the combined disconnecting and earthing switch is constructed of a gear transmission with a defined gear ratio depending on the number of revolutions of the spindle drive for locking, wherein at a required number of revolutions x the first gear x-1 teeth and the second gear x teeth having.
  • the locking device a drive unit for a spindle drive and advantageous embodiments and improvements of the locking device to be explained and described in detail. Show it:
  • Fig. 1 shows an exemplary schematic representation of the invention
  • Locking device for a three-position drive, for example for the position indicator "disconnector and earthing switch switched off",
  • Fig. 2 shows an exemplary schematic representation of the invention
  • Locking device for a three-position drive, for example for the position indicator disconnector switched on, grounding switch off ",
  • Fig. 3 shows an exemplary schematic representation of the invention
  • Locking device for a three-position drive, for example for the position indicator "disconnector switched off, earthing switch switched on",
  • FIG. 4 shows an exemplary schematic plan view of the locking device according to the invention in an intermediate position
  • FIG. 5 shows an exemplary schematic plan view of the locking device according to the invention in the first locking position
  • FIG. 6 shows an exemplary schematic plan view of the locking device according to the invention in the second locking position.
  • Figure 1 is an exemplary schematic representation of the locking device according to the invention for a three-position actuator in the intermediate position, which corresponds to a position indicator "disconnector and earthing switch off" corresponds represented.
  • the locking device shows three mutually arranged switching rods 10.1, 10.2 and 10.3 for connection to the position indicator terminals 190th
  • the locking device comprises a gear transmission consisting of two meshing gears 130, 140 with a defined transmission ratio, each of the gears with three associated locking discs 131, 132, 133, 134, 135, 136 cooperates. In the view shown, that between the second gear 140 and the engaging with the second gear upper locking disc 136 locking disc 134 is not visible.
  • the locking discs 131, 132, 133, 134, 135, 136 are three locking elements 210, 220, 230, hereinafter also referred to as locking elements assigned, wherein the locking elements 210, 220, 230 each have at least two engaging parts 211, 212, 221, 222, 231, 232, provided for engaging in the locking discs 131, 132, 133, 134, 135, 136 arranged engagement points 141, 142, 143, 144, 145, 146 have.
  • the engaging portion 222 of the second locking element 220 and the engagement points 144, 146 of cooperating with the second gear 140 locking discs 134, 136 are not visible.
  • the first locking element 210 is for locking with the first and the second locking disc 131, 132 for the display of a first switching position
  • the second locking element 220 is for locking the third and fourth locking disc 133, 134 for the display of a second switching position
  • the third locking element 230 is provided for locking the fifth and sixth locking disc 135, 136 for the display of a third switching position on the position indicator module of the drive unit of a combined disconnecting and grounding switch.
  • the locking lugs of the first locking element 210 and the second locking element 220 are not engaged in the previously described locking position in engagement with the associated locking discs 131, 132; 133, 134.
  • FIG. 2 shows another exemplary schematic representation of the locking device according to the invention for a three-position drive, for example, for the position indicator disconnector turned on, grounding switch off. "In this switching position of the switching device, the locking lugs 211, 212 of the first engage Locking element 210 in the recess of the locking discs 131, 132 and a display of the switching position of the switching device takes place on the position indicator module.
  • the locking lugs of the second locking element 220 and the third locking element 230 are not engaged in the previously described locking position in engagement with the associated locking discs 133, 134; 135, 136.
  • FIG 3 is an exemplary schematic representation of the locking device according to the invention for a three-position drive, for example, for the position indicator "disconnect switch off, earthing switch is turned on" shown.
  • the locking lugs 221, 223 of the second locking element 220 engage in the engagement points 143, 144 of the locking plates 133, 134 and an indication of the switching position of the switching device takes place on the position indicator module.
  • the latching lugs of the first locking element 210 and the third locking element 230 are in the previously described locking position is not engaged with the associated locking discs 131, 132; 135, 136.
  • Figure 4 shows an exemplary schematic plan view of the third pair of locking discs consisting of the fifth and sixth locking disc 135, 136 of the locking device 310 according to the invention in an intermediate position. If the locking device 310 is in this intermediate position, there is no indication of the position or switching position on the position indicating module.
  • the housing 20 is formed from a not visible in the figure 4 upper and a lower support plate and the two side parts 20.1, 20.2.
  • the components accommodated in the housing 20 are the drive motor spindle 60 and the spindle assembly spindle 3, three switching rods 10 arranged one behind the other (only the switching rod 10.3 associated with the third pair of locking discs) being visible to the position indicating module connecting parts 190 for displaying the three positions of the switching device and a gear transmission with a defined transmission ratio that is dependent on the number of revolutions of the spindle drive for actuating the switching device.
  • the gear transmission of the locking device 310 comprises a total of three Rastusionncrue 131, 132; 133, 134; 135, 136, each with two locking washers.
  • the here concealed first and second locking disc 131, 132 are used after their snapping into the first locking element 210 for the display of a first position or position.
  • the third and fourth locking discs 133, 134 concealed here, after being latched in, are used with the locking members 222, 221 of the second locking member 220 for indicating a second position or position.
  • the visible fifth and sixth locking discs 135, 136 are used after being engaged with the locking members 231, 232 of the third locking member 230 for the display of a third position or position.
  • first gear 130 an axis is guided centrally, wherein the first locking disc 131, the third locking disc 133 and the fifth locking disc 135 are arranged on this axis.
  • second gear 140 which is likewise not visible here, a further axis is guided centrally, wherein the second locking disk 132, the fourth locking disk 134 and the sixth locking disk 136 are also arranged on this axis.
  • the three shift rods 10.1, 10.2, 10.3 are guided by provided in a side part 20.2 of the housing 20 openings.
  • the locking elements 210, 220, 230 are each pressed under spring tension on the locking discs 131, 132, 133, 134, 135, 136, so that the locking lugs located on the locking elements 210, 220, 230 at a favorable position ment latching plates 131, 132, 133, 134, 135, 136 can engage.
  • the locking elements 210, 220, 230 each deposited with a, preferably designed as a compression spring 12, 13 spring element.
  • the locking element 220 with the compression spring 12 here only the position shown
  • Figure 5 shows an exemplary schematic plan view of the second pair of locking discs consisting of the third and fourth locking disc 133, 134 of the locking device 310 according to the invention in a first locking position.
  • the latching lugs 221, 222 of the second locking element 220 engage in the recess 143, 144 of the locking discs 133, 134 and an indication of the first switching position of the switching device takes place on the position indicator module.
  • the third Ratusion 133 clockwise to engage their recess 143 in the first locking element 221 of the second locking element 220 and the fourth locking disc 134 to engage their recess 144 in the second latching element 222 of the second locking element 220 moves.
  • the second shift rod 10.2 connected to the second locking element 220 is retracted.
  • the locking elements 211, 212 of the first locking element 210 and the locking elements 231, 232 of the third locking element 230 are consequently not in engagement with the recesses 141, 142; 145, 146 of the locking discs 131, 132, 135, 136 not visible here.
  • FIG. 6 shows an exemplary schematic plan view of the first pair of locking discs consisting of the first and second locking discs 131, 132 of the locking device 310 according to the invention in a second locking position.
  • the locking lugs 211, 212 of the first locking element 210 engage in the recess 141, 142 of the locking discs 131, 132 and an indication of the first switching position of the switching device takes place on the position indicator module.
  • the first locking disc 131 counterclockwise until engagement of its recess 141 in the first locking element 211 of the first locking element 210 and the second locking disc 132 to engage their recess 142nd moved into the second latching element 212 of the first locking element 210.
  • the first shift rod 10.1 connected to the first locking element 210 is thereby extended.
  • the locking elements 221, 222 of the second locking element 220 and the locking elements 231, 232 of the third locking element 230 are consequently not in engagement with the recesses 143, 144; 145, 146 of the locking discs 133, 134, 135, 136 not visible here.
  • the locking lugs 231, 232 of the third locking element 230 engage in the recess 145, 146 of the locking discs 135, 136 and an indication of the third switching position of the switching device takes place on the position indicator module.
  • the fifth locking disc 135 counterclockwise until engagement of its recess 145 in the first locking element 231 of the third locking element 230 and the sixth locking disc 136 to the engagement of its recess 146th in the third locking element 232 of the third locking element 230 moves.
  • the first shift rod 10.3 connected to the third locking element 230 is thereby moved and extended.
  • the locking elements 211, 212 of the first locking element 210 and the locking elements 221, 222 of the second locking element 220 are consequently not in engagement with the recesses 141, 142; 143, 144 of the locking discs 131, 132, 133, 134th LIST OF REFERENCES
  • Carrier housing, receiving unit for the locking device
  • Connection element for connecting the drive motor and the spindle for connection to the switching device

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Lock And Its Accessories (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne un dispositif de verrouillage pour une unité d'entraînement destinée à actionner un appareil de connexion d'une installation de commutation, ledit dispositif de verrouillage présentant un entraînement de broches destiné à l'actionnement de l'appareil de connexion, et une transmission par engrenage accouplée à ce dernier, et pouvant peut être entraîné par un moteur d'entraînement ou un dispositif à commande manuelle, verrouillant ainsi l'appareil de connexion après un nombre défini de rotations partielles d'un arbre d'entraînement, relié à la transmission par engrenage, de l'ensemble de broches pour amener l'appareil de connexion dans une des trois positions de verrouillage prédéterminées et indiquer cette position à l'aide d'au moins un module indicateur de position prévu à cet effet. La transmission par engrenage comporte deux roues dentées (130, 140) en prise mutuelle ayant un rapport de transmission défini, chacune des roues dentées (130, 140) coopérant avec respectivement avec trois disques d'arrêt (131, 132, 133, 134, 135, 136) qui leur sont reliés et chaque position de verrouillage pouvant être transmise à une tige de connexion (10.1, 10.2, 10.3) associée respectivement par un de trois éléments de verrouillage (210, 220, 230) qui sont alors en prise avec les paires de disques d'arrêt (131, 132; 133, 134; 135, 136) associés aux éléments de verrouillage (210, 220, 230), aux fins d'indication de la position de commutation sur le module indicateur de position.
EP12733426.6A 2011-07-25 2012-07-09 Dispositif de verrouillage pour une unité d'entraînement d'un mécanisme d'entraînement à trois positions destiné à un appareil de connexion d'une installation de commutation Active EP2737509B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12733426.6A EP2737509B1 (fr) 2011-07-25 2012-07-09 Dispositif de verrouillage pour une unité d'entraînement d'un mécanisme d'entraînement à trois positions destiné à un appareil de connexion d'une installation de commutation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP11006068 2011-07-25
DE201210008276 DE102012008276A1 (de) 2011-07-25 2012-04-24 Verriegelungsvorrichtung für eine Antriebseinheit eines Dreistellungsantriebes für ein Schaltgerät einer Schaltanlage
EP12733426.6A EP2737509B1 (fr) 2011-07-25 2012-07-09 Dispositif de verrouillage pour une unité d'entraînement d'un mécanisme d'entraînement à trois positions destiné à un appareil de connexion d'une installation de commutation
PCT/EP2012/002889 WO2013013775A2 (fr) 2011-07-25 2012-07-09 Dispositif de verrouillage pour une unité d'entraînement d'un mécanisme d'entraînement à trois positions destiné à un appareil de connexion d'une installation de commutation

Publications (2)

Publication Number Publication Date
EP2737509A2 true EP2737509A2 (fr) 2014-06-04
EP2737509B1 EP2737509B1 (fr) 2016-08-31

Family

ID=47503174

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12733425.8A Active EP2737508B1 (fr) 2011-07-25 2012-07-09 Dispositif de verrouillage pour une unité d'entraînement destinée à actionner un appareil de connexion d'une installation de commutation
EP12733426.6A Active EP2737509B1 (fr) 2011-07-25 2012-07-09 Dispositif de verrouillage pour une unité d'entraînement d'un mécanisme d'entraînement à trois positions destiné à un appareil de connexion d'une installation de commutation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP12733425.8A Active EP2737508B1 (fr) 2011-07-25 2012-07-09 Dispositif de verrouillage pour une unité d'entraînement destinée à actionner un appareil de connexion d'une installation de commutation

Country Status (5)

Country Link
EP (2) EP2737508B1 (fr)
KR (2) KR101941563B1 (fr)
CN (2) CN103703532B (fr)
DE (2) DE102012008129A1 (fr)
WO (2) WO2013013772A2 (fr)

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DE102014102403B4 (de) * 2014-02-25 2015-11-05 Konecranes Plc Explosionsgeschützter Kreuzendschalter
CN104409251B (zh) * 2014-11-03 2017-02-15 安徽蓝翔电器成套设备有限公司 一种开关
KR200481214Y1 (ko) 2015-06-24 2016-08-30 엘에스산전 주식회사 가스절연개폐장치의 조작기구 잠금장치
CN205900363U (zh) * 2016-07-28 2017-01-18 许继集团有限公司 转动输出装置及使用该装置的开关柜操作机构
KR101912698B1 (ko) * 2017-02-21 2018-10-29 엘에스산전 주식회사 조작기를 갖는 차단기
KR101912699B1 (ko) 2017-07-27 2018-12-28 엘에스산전 주식회사 직류 기중차단기
EP3553804B1 (fr) * 2018-04-10 2021-03-24 Rail Power Systems GmbH Installation haute tension ou moyenne tension

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Also Published As

Publication number Publication date
WO2013013775A3 (fr) 2013-04-04
DE102012008276A1 (de) 2013-01-31
WO2013013772A2 (fr) 2013-01-31
CN103688329A (zh) 2014-03-26
KR20140053977A (ko) 2014-05-08
EP2737508B1 (fr) 2016-08-31
KR101961702B1 (ko) 2019-03-25
KR20140047090A (ko) 2014-04-21
WO2013013772A3 (fr) 2013-04-04
KR101941563B1 (ko) 2019-01-23
DE102012008129A1 (de) 2013-01-31
EP2737508A2 (fr) 2014-06-04
CN103688329B (zh) 2016-03-09
WO2013013775A2 (fr) 2013-01-31
CN103703532B (zh) 2016-10-12
CN103703532A (zh) 2014-04-02
EP2737509B1 (fr) 2016-08-31

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