EP0960426B1 - Stellungsmeldeanordnung - Google Patents

Stellungsmeldeanordnung Download PDF

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Publication number
EP0960426B1
EP0960426B1 EP98902990A EP98902990A EP0960426B1 EP 0960426 B1 EP0960426 B1 EP 0960426B1 EP 98902990 A EP98902990 A EP 98902990A EP 98902990 A EP98902990 A EP 98902990A EP 0960426 B1 EP0960426 B1 EP 0960426B1
Authority
EP
European Patent Office
Prior art keywords
reporting
contacts
arrangement according
contact
cam disc
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
Application number
EP98902990A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0960426A1 (de
Inventor
Dieter Dohnal
Josef Neumeyer
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.)
Maschinenfabrik Reinhausen GmbH
Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
Original Assignee
Maschinenfabrik Reinhausen GmbH
Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
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 Maschinenfabrik Reinhausen GmbH, Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG filed Critical Maschinenfabrik Reinhausen GmbH
Publication of EP0960426A1 publication Critical patent/EP0960426A1/de
Application granted granted Critical
Publication of EP0960426B1 publication Critical patent/EP0960426B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • H01H9/0005—Tap change devices
    • H01H9/0027—Operating mechanisms
    • H01H9/0033—Operating mechanisms with means for indicating the selected tap or limiting the number of selectable taps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • H01H19/585—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch provided with printed circuit contacts

Definitions

  • the invention relates to a Stellunesmeldean Aunt for a motor drive of a tap changer, a diverter or a plunger coil according to the preamble of the first claim.
  • a position reporting arrangement is known from DE-AS 21 08 013.
  • Tap changers enable uninterrupted switching between winding taps of a tap transformer under load. Diverters enable switching between Wicklunesan taps of a step transformer in the no-load state. Plunger core coils enable the setting or changing of an inductance.
  • Position reporting arrangements as part of the motor drive of tap changers or similar serve to the respective position of the tap changer or similar. to be recorded and transmitted electrically; this on the one hand is the starting point for the - then optical - actual position indicator and on the other hand, as the actual value, the basis for subsequent control functions.
  • Known position signaling arrangements for tap changers consist of a circular arrangement of a plurality of signal contacts, with an operating position of the tap changer or the like being assigned to at least one signal contact.
  • the signaling contacts are wired by means of a rotatable central signaling contact lever, which is connected to the tap changer, more precisely to the motor drive of the squeeze switch.
  • the signaling contact lever is only moved by a switching angle that corresponds to the distance between two adjacent signaling contacts each time the tap changer is in the operating position, ie when switching from one winding tap to another.
  • a position signaling arrangement is therefore not suitable if circuits operated with direct current are to be routed via the signaling contacts or if, in general, higher currents are to be switched.
  • the object of the invention is therefore a generic position reporting arrangement specify that has only a single snap switch, but simple and yet is functionally reliable and is particularly easy to manufacture.
  • the signaling contact lever itself is designed as a cam disk according to the invention.
  • This new signaling contact lever thus takes on two different functions at the same time, which were implemented using separate components according to the state of the art: On the one hand, it connects - as is known - the signaling contacts arranged in a circle around it and connects each of them with a lead, on the other hand it simultaneously actuates the only fixed snap switch with its front cam contour, which is connected to the circuit. In other words: no additional effort is required to operate the snap switch; an additional cam disc is neither necessary, nor does an additional movement have to be generated. It is clear that this significantly simplifies the whole arrangement. Furthermore, the signaling contact lever designed according to the invention as a cam disk can be produced as a separate component; the production of additional cam disks, whose assembly according to the prior art concentrically around the signaling contacts also has to meet considerable accuracy requirements, is completely eliminated.
  • the cam disc itself Made of flat insulating material and is provided with openings in which one or more conductive contact bridges are attached to the individual when the cam disc rotates Connect the signaling contacts and also establish the connection to the contact derivation.
  • the cam disc itself Made of flat insulating material and is provided with openings in which one or more conductive contact bridges are attached to the individual when the cam disc rotates Connect the signaling contacts and also establish the connection to the contact derivation.
  • the cam disk has its own bearing, ie a separate bearing.
  • a separate bearing This means that the rotatable cam disc and the bearing that enables this rotation can be prefabricated as an independent assembly and subsequently, in a particularly simple manner, completed with the circuit board that carries the circularly arranged signaling contacts and the snap switch. It is particularly advantageous if this circuit board is designed as a printed circuit board.
  • the first embodiment of a position reporting arrangement according to the invention shown in FIGS. 1 and 2 has a circuit board 1.
  • This circuit board 1 in turn contains individual signal contacts 11 arranged in a circle and isolated from one another. Furthermore, it has a continuous discharge contact ring 12 on a concentric circle. Signaling contacts 11 as well as discharge contact ring 12 can consist of separate contact pieces or tracks; However, it is particularly advantageous to design the circuit board 1 as a printed circuit board and to design the signaling contacts 11 and the discharge contact ring 12 as plated-through conductive tracks on the upper side of this printed circuit board.
  • a snap switch 3, which has an actuating roller 31, is fastened on the circuit board 1 outside the contact tracks.
  • a microswitch is particularly suitable for this snap switch 3. The electrical connections of this snap switch 3 as well as the contact tracks on the back of the circuit board 1, which are connected to these as well as the individual signaling contacts and the diverter contact ring, are not shown at all in the drawings.
  • the position avoidance arrangement according to the invention also consists of a cam disk 2 which is rotatably mounted on the circuit board 1 at a certain distance parallel to the latter.
  • the cam disk 2 has a bearing 21, which is fastened centrally on the concentric contact tracks of the signaling contacts 11 and the diverter contact ring 12 located on the board 1.
  • the end face of the cam disk 2 has a cam contour 22 which corresponds to the actuating roller 31 of the snap switch 3.
  • a conductive contact bridge 23 is arranged on the cam disk 2, which has at one end a tongue-like projection which connects the signaling contacts 11 and which is constantly electrically connected to the diverter contact ring 12 at another free end, ie grinds on this.
  • the contact bridge 23 can be fastened particularly simply by inserting it with projections, free ends or the like provided in bores 25 provided on the cam disk 2. With this arrangement, when the cam disk 2 rotates, different individual signaling contacts 11 can be connected to the diverter contact ring 12 one after the other. At the same time, the end switch cam contour 22 actuates the snap switch 3 which is switched into the electrical circuit and whose actuating roller 31 runs on the cam contour 22.
  • the cam disk 2 is connected to the motor drive of the respective step switch via a central drive shaft 4
  • the operation of this described arrangement is as follows: If the tap changer is to be switched from one step to an adjacent other step, ie from one winding tap to an adjacent winding tap, the associated motor drive is set in motion.
  • the drive shaft 4 and thus the cam disc 2 begin to rotate.
  • the conductive contact bridge 23, which has previously established an electrical connection between the fixed signaling contact, which represented the previous step position, and the discharge contact ring, begins to leave this signaling contact and, depending on the direction of rotation, moves in the direction of one of the two adjacent next signaling contacts.
  • the actuating roller 31 runs onto a cam of the cam contour 22, the snap switch 3 is actuated and opens the circuit before the contact bridge 23 completely leaves the previous signaling contact.
  • the electrical circuit is thus opened before mechanical contact separation takes place at the signaling contact which has been contacted so far, so that no arcing or the like. can occur at the contact. Rather, the actual contact separation takes place without power.
  • the contact bridge 23 reaches the adjacent signaling contact and establishes the electrical connection between the latter and the diverter contact ring 12. Then the actuating roller 3 runs into a cam valley of the cam contour 22, the snap switch 3 closes the circuit again.
  • the contact bridge 23 and the cam contour 22 are required. Depending on these dimensions, the most diverse switching sequences can be implemented. Thus, in a modification of the switching sequence just explained, it is entirely possible to provide that the snap switch 3 closes the circuit before the conductive contact bridge 23 has reached the new signaling contact.
  • the drive shaft 4 and thus cam disk 2 perform a rotary movement by an angle of 360 / n degrees each time the step switch is switched over, where n is the number of possible step positions, ie the number of signaling contacts present.
  • FIG. 3 shows a second embodiment of the invention.
  • the bearing 21 is by means of a Fastening element 25 is firmly connected to the cam disc 2 and has a central Bearing bushing 27, the inner contour of which corresponds to the outer contour of the drive shaft 4.
  • a hole 13 is provided in the circuit board 1, the diameter of which is somewhat larger than that of the bearing 21, so that it can be inserted and freely rotated.
  • the axial fixation takes place on the one hand by means of a shoulder 28 on the bearing bush 27 with a larger diameter, and on the other hand by means of a fastening ring 26 which, after mounting on the other side of the circuit board 1, is introduced into a recess 29 in the bearing 21. This ensures a reliable fixation of the assembly consisting of the bearing 21 and the cam disk 2 with unrestricted rotatability on the circuit board 1.
  • This version offers several advantages: on the one hand, the entire cam / bearing assembly can be preassembled, on the other hand, this assembly only needs to be inserted through the hole 13 in the circuit board 1 and locked on the other side with the fastening ring 26. Another advantage is that the actual shaft 4, which transmits the rotary movement from the drive, can be inserted into the bearing bush 27 subsequently. Appropriate contours can be used to produce a positive connection in a known manner.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Body Structure For Vehicles (AREA)
  • Controls For Constant Speed Travelling (AREA)
  • Vehicle Body Suspensions (AREA)
  • Multiple-Way Valves (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Breakers (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Position Or Direction (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Control Of Stepping Motors (AREA)
EP98902990A 1997-02-14 1998-01-09 Stellungsmeldeanordnung Expired - Lifetime EP0960426B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19705576 1997-02-14
DE19705576A DE19705576C2 (de) 1997-02-14 1997-02-14 Stellungsmeldeanordnung
PCT/EP1998/000093 WO1998036435A1 (de) 1997-02-14 1998-01-09 Stellungsmeldeanordnung

Publications (2)

Publication Number Publication Date
EP0960426A1 EP0960426A1 (de) 1999-12-01
EP0960426B1 true EP0960426B1 (de) 2001-12-12

Family

ID=7820175

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98902990A Expired - Lifetime EP0960426B1 (de) 1997-02-14 1998-01-09 Stellungsmeldeanordnung

Country Status (14)

Country Link
US (1) US6087607A (ko)
EP (1) EP0960426B1 (ko)
JP (1) JP3630331B2 (ko)
KR (1) KR100478816B1 (ko)
CN (1) CN1074160C (ko)
AT (1) ATE210884T1 (ko)
AU (1) AU5987298A (ko)
BG (1) BG63554B1 (ko)
BR (1) BR9807575A (ko)
CZ (1) CZ297311B6 (ko)
DE (2) DE19705576C2 (ko)
PL (1) PL188421B1 (ko)
RO (1) RO118829B1 (ko)
WO (1) WO1998036435A1 (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19720617C2 (de) * 1997-05-16 1999-03-18 Reinhausen Maschf Scheubeck Stellungsmeldeanordnung für Motorantriebe
JP4066037B2 (ja) * 2000-02-24 2008-03-26 株式会社ヴァレオサーマルシステムズ 操作パネルの回転スイッチ機構
US7614357B2 (en) * 2003-09-08 2009-11-10 Cooper Technologies Company Step voltage regulator polymer position indicator with non-linear drive mechanism
KR100721016B1 (ko) * 2003-12-31 2007-05-25 화남전자 주식회사 포텐셔미터를 이용한 모드 셀렉터 및 이의 제어회로
ITMI20041099A1 (it) * 2004-05-31 2004-08-31 Soldo S R L Dispositivo attuatore di segnale per un azionamento di regolazione di posizione
GB2420447B (en) * 2004-11-19 2008-02-27 Invensys Controls Uk Ltd Switching mechanism
DE102005058793B3 (de) 2005-12-09 2006-12-07 Maschinenfabrik Reinhausen Gmbh Umsteller für Schaltüberwachungseinrichtung
JP4898552B2 (ja) * 2007-05-22 2012-03-14 日本無線株式会社 回転体装置
FR2940508B1 (fr) * 2008-12-22 2016-02-12 Areva T&D Ag Dispositif mecanique de commande d'un sectionneur a haute ou moyenne tension
DE102011008394B4 (de) 2011-01-12 2014-12-31 Maschinenfabrik Reinhausen Gmbh Stufenschalter
WO2012134947A1 (en) * 2011-03-25 2012-10-04 Abb Technology Ag A tap changer with improved swicth construction
DE102011106804A1 (de) 2011-07-06 2013-01-10 Maschinenfabrik Reinhausen Gmbh Verfahren zur Stellungserfassung von Stufenschaltern
DE102011109269B3 (de) * 2011-08-03 2012-11-29 Maschinenfabrik Reinhausen Gmbh Stellungsmeldeanordnung
DE102012104089A1 (de) * 2012-04-27 2013-10-31 Maschinenfabrik Reinhausen Gmbh Verfahren zur Ausmittelung eines Laststufenschalters
CN103367017A (zh) * 2013-07-05 2013-10-23 江苏大全长江电器股份有限公司 三工位隔离开关位置传感装置
DE102013107558A1 (de) * 2013-07-16 2015-01-22 Maschinenfabrik Reinhausen Gmbh Laststufenschalter
CN104051179B (zh) * 2014-06-24 2017-01-25 赫兹曼电力（广东）有限公司 开关柜分离式隔离/接地三工位开关操作机构
US10529501B2 (en) * 2017-02-03 2020-01-07 Kezza Products Pty Limited Switching mechanism mountable on printed circuit board
US20230096981A1 (en) * 2021-09-30 2023-03-30 General Equipment And Manufacturing Company, Inc., D/B/A Topworx, Inc. Transmission assembly for switchbox

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1812609A1 (de) * 1968-12-04 1970-06-11 Reinhausen Maschf Scheubeck Meldekontaktanordnung fuer Hand- und Motorantriebe von Stufenschaltern fuer Regeltransformatoren
DE2108013A1 (de) * 1971-02-19 1972-09-28 Reinhausen Maschf Scheubeck Einrichtung bei Meldekontaktreihen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2560002A (en) * 1945-07-27 1951-07-10 Allis Chalmers Mfg Co Voltage regulating control and apparatus
US3204049A (en) * 1962-02-09 1965-08-31 Asea Ab Tap changing apparatus with waveshaped control means and roller selector arm structure
DE1813055B2 (de) * 1968-12-06 1971-10-21 Meldekontaktanordnung fuer hand und motorantriebe von stufen schaltern fuer regeltransformatoren
GB1379895A (en) * 1970-12-22 1975-01-08 Drayton Controls Ltd Electric switch controls
DE2947343C2 (de) * 1979-11-23 1985-03-28 Transformatoren Union Ag, 7000 Stuttgart Kontaktanordnung für Hilfsstromkreise zum Einbau in den Antrieb von Stufenschaltern für Transformatoren und Drosselspulen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1812609A1 (de) * 1968-12-04 1970-06-11 Reinhausen Maschf Scheubeck Meldekontaktanordnung fuer Hand- und Motorantriebe von Stufenschaltern fuer Regeltransformatoren
DE2108013A1 (de) * 1971-02-19 1972-09-28 Reinhausen Maschf Scheubeck Einrichtung bei Meldekontaktreihen

Also Published As

Publication number Publication date
BG103580A (en) 2000-09-29
PL335018A1 (en) 2000-03-27
PL188421B1 (pl) 2005-01-31
CN1074160C (zh) 2001-10-31
KR100478816B1 (ko) 2005-03-23
KR20000071093A (ko) 2000-11-25
CN1237267A (zh) 1999-12-01
RO118829B1 (ro) 2003-11-28
BG63554B1 (bg) 2002-04-30
WO1998036435A1 (de) 1998-08-20
AU5987298A (en) 1998-09-08
US6087607A (en) 2000-07-11
EP0960426A1 (de) 1999-12-01
JP2000509894A (ja) 2000-08-02
JP3630331B2 (ja) 2005-03-16
DE19705576A1 (de) 1998-08-27
ATE210884T1 (de) 2001-12-15
DE19705576C2 (de) 1999-01-07
CZ297311B6 (cs) 2006-11-15
BR9807575A (pt) 2002-01-15
CZ284099A3 (cs) 1999-12-15
DE59802435D1 (de) 2002-01-24

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