EP0159581B1 - Wendeschütz - Google Patents

Wendeschütz Download PDF

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Publication number
EP0159581B1
EP0159581B1 EP85103899A EP85103899A EP0159581B1 EP 0159581 B1 EP0159581 B1 EP 0159581B1 EP 85103899 A EP85103899 A EP 85103899A EP 85103899 A EP85103899 A EP 85103899A EP 0159581 B1 EP0159581 B1 EP 0159581B1
Authority
EP
European Patent Office
Prior art keywords
contact
contactor
reversing
bridges
contact bridge
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
Application number
EP85103899A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0159581A1 (de
Inventor
Edgar Wiessner
Klaus-Dieter Paul
Werner Dipl.-Ing. Harbauer
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
Priority to AT85103899T priority Critical patent/ATE35877T1/de
Publication of EP0159581A1 publication Critical patent/EP0159581A1/de
Application granted granted Critical
Publication of EP0159581B1 publication Critical patent/EP0159581B1/de
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H01H3/56—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using electromagnetic clutch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/005—Inversing contactors

Definitions

  • the invention relates to a three-phase reversing contactor with fixed, the supply and discharge serving contact parts and the contact with the leads connecting bridges, with a common drive for these contact bridges and with an adjusting device by means of which two different assignments of the leads to the leads can be made is.
  • the object of the present invention is to simplify the known reversing contactor considerably in terms of structure and effort. This is achieved in that contact bridges are each arranged on two separate contact bridge carriers of the contactor for two phases of the three-phase network, which can optionally be coupled to the drive by the adjusting device.
  • the adjusting device can be done with low operating forces. This also ensures that the drive does not have to accelerate unnecessarily large masses. If the adjusting device comprises a deflecting bracket which is pivotally connected to the switching magnet and can be pivoted by an auxiliary magnet, the free end of which can optionally be brought into engagement with one of the contact bridge supports which are displaceably guided parallel to one another, the adjusting device only needs the deflecting bracket with a relatively small mass swivel because the switch must be made when the contactor is switched off.
  • each of the contact bridge supports has a locking lug and that the armature of the auxiliary magnet is connected to the deflection bracket via a slide which has two recesses and that the locking lug of the respective contact bridge carrier engages in one of these recesses.
  • the slide also has the advantage that the deflection bar is inevitably pushed back into the starting position when the auxiliary magnet is not energized.
  • the slide has an auxiliary contact arrangement. Manual actuation of the adjusting device and also an external display can be achieved if the slide has an extension protruding beyond the outer contours of the contactor.
  • the common drive 5 which is comparable to the switching magnet in conventional contactors, has a wire-shaped deflection bracket 35 pivotably connected to one end 36.
  • the free end 37 can optionally be pivoted into a recess 38 or 39 in the two contact bridge supports 40 or 41, which can be moved separately in the housing.
  • the adjusting device with the magnetic drive 6 serves as an auxiliary magnet.
  • each of the contact bridge supports 40 and 41 are equipped with extensions 42, in which the recesses 38 and 39 are provided.
  • the contact bridge carrier shown in FIG. 4 is the one shown in FIG. 3 on the right.
  • the left contact bridge support 41 is inserted in a direction rotated by 180 °, so that the two extensions 42 are mutually offset in the rest position and enclose the recesses 38, 39 between them.
  • the free end 37 of the deflection bracket 35 is tied up in these recesses.
  • each of the contact bridge supports has four windows 43, in which the contact bridges 44 with the contact pressure springs (not shown) are accommodated in the usual manner.
  • the windows 43 lie side by side and one above the other in pairs.
  • the deflection bracket 35 As a wire bracket, it is possible to arrange the magnetic drive serving as the adjusting device 6 between the switching magnet 5 and the contact bridge supports 40, 41.
  • the armature 21 of the adjusting device 6 engages in a cutout 43 of a slide 46 mounted in guides, which can adjust the deflection bracket 35 into the two end positions via the catches 47.
  • the end position shown in FIG. 2 is reached by the back pressure spring 48, which acts on the displaceably guided locking slide 48. This preferred position is always maintained when the adjusting device 6 is not excited. If the armature 13 is pulled towards the core 27 (not shown in more detail) by tensioning the switching magnet 5, the contact bridge carrier 41 is carried along via the deflection bracket 35 in the switch-on direction.
  • the contact bridges 44 come into contact with the fixed contact parts.
  • a locking lug 49 on the extension 42 dips into a locking recess 50 in the locking slide 16, so that movement of the locking slide 46 by the adjusting device 6 is excluded.
  • the adjusting device 6 is supplied with voltage, the locking slide 46 moves against the force of the spring 48 until the free end 37 of the deflection bracket 35 engages in the recess 38 and the locking lug 49 of the other contact carrier 41 with the other locking recess 50 in the locking slide 46 escapes. If the switching magnet 5 is then operated, the contact bridge support 41 is tightened and the corresponding connections are made.
  • FIGS. 5 to 7 show, a connection terminal is not assigned to each contact bridge on opposite sides of the contactor. Rather, only the necessary main terminals and any auxiliary switch terminals that can be used are routed to the outside.
  • the terminals are indicated by a rectangle and can be seen in FIG. 7 as a screw connection.
  • FIG. 8 shows, for example, the fixed double contact piece of the middle fixed contact parts of the lower floor according to FIG. 6.
  • FIG. 9 shows the double fixed contact piece of the middle two contact points on the upper floor.
  • the bridging of the fixed contact pieces in the manner shown is indicated by the lines 53.
  • the lines 54 in FIG. 5 indicate the internal cross-wiring between the fixed contact pieces on two floors.
  • the contact piece combination as shown in FIG. 10 is used for this. It can be seen that here too there are connection terminals only on the lower floor.
  • the non-reversible contact bridge 2 is in phase T. It is coupled to the switching magnet 5 independently of the deflection bracket 35, so that the terminals labeled 56 and 57 are indicated in the lower part of the reversing contactor.
  • the contact bridges 3 and 4 are in the two, in two floors one above the other, ie the windows of the contact bridge support 41 facing towards the other contact bridge support.
  • the contact bridges 54, 55 are located in the adjacent windows of the contact bridge support 40.
  • the lead terminal which has also been bridged as described in more detail above, bears the reference number 58.
  • the terminal for the common lead for the contact bridges 4 and 54 which is also bridged in the manner described above, bears the reference number 59 and the terminal for the common derivative is labeled 60.
  • the designation of the connection terminals for the external auxiliary contact tracks has been left out.
  • the control with the corresponding internal wiring can be seen in FIG. 11.
  • the on button for clockwise rotation bears the reference number 61 and that for counterclockwise rotation is designated 62.
  • the off button 63 which is designed as an opener, is connected to the supply line 64 with the two on buttons.
  • the on button 62 for counterclockwise rotation is located via a locking opener contact 65 on the coil of the adjusting device 6 and a normally open contact 66 actuated by it, which contacts the coil of the Switching magnet 5 connects via terminal 67 to the derivative 68 of the network.
  • the coil of the adjusting device 6 is connected to the terminal 67 via a wiper contact 69.
  • the wiping contact is necessary as long as the coil for the adjusting device 6 is not designed for a 100 percent duty cycle.
  • the wiper contact 69 is actuated by the switching magnet 5.
  • the end of the coil for the switching magnet 5 facing the supply line is connected to the normally open contact 66, to the locking contact and to a latching contact 71 which is actuated by the switching magnet 5.
  • the self-holding contact 71 is connected to the terminal 72 of the reversing contactor in order to be able to be connected to the off button 63.
  • the terminals which are led to the outside and which are to be connected to the on-button 61 and the on-button 62 have the reference numerals 73 and 74.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Inorganic Insulating Materials (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Saccharide Compounds (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Relay Circuits (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Ac Motors In General (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Power Conversion In General (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
EP85103899A 1984-04-19 1985-04-01 Wendeschütz Expired EP0159581B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85103899T ATE35877T1 (de) 1984-04-19 1985-04-01 Wendeschuetz.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843415019 DE3415019A1 (de) 1984-04-19 1984-04-19 Wendeschuetz
DE3415019 1984-04-19

Publications (2)

Publication Number Publication Date
EP0159581A1 EP0159581A1 (de) 1985-10-30
EP0159581B1 true EP0159581B1 (de) 1988-07-20

Family

ID=6234114

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85103899A Expired EP0159581B1 (de) 1984-04-19 1985-04-01 Wendeschütz

Country Status (8)

Country Link
US (1) US4618807A (enrdf_load_stackoverflow)
EP (1) EP0159581B1 (enrdf_load_stackoverflow)
JP (1) JPS60236429A (enrdf_load_stackoverflow)
AT (1) ATE35877T1 (enrdf_load_stackoverflow)
BR (1) BR8501863A (enrdf_load_stackoverflow)
DE (2) DE3415019A1 (enrdf_load_stackoverflow)
DK (1) DK174585A (enrdf_load_stackoverflow)
FI (1) FI79765C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8431691D0 (en) * 1984-12-14 1985-01-30 Smiths Industries Plc Phase control
CA2576846A1 (en) * 2007-02-02 2008-08-02 General Electric Canada Reversing switch

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1616684A (en) * 1925-06-08 1927-02-08 Cutler Hammer Mfg Co Motor controller
US2264993A (en) * 1940-10-24 1941-12-02 Westinghouse Electric & Mfg Co Electric control system
US3504312A (en) * 1968-10-16 1970-03-31 Gen Electric Electromagnetic contactor
US3673426A (en) * 1970-03-31 1972-06-27 Porter Co Inc H K Phase reversal switch and/or circuit breaker
JPS5110320B2 (enrdf_load_stackoverflow) * 1971-12-01 1976-04-02
BG17423A1 (enrdf_load_stackoverflow) * 1972-03-27 1973-11-10
DE2949981A1 (de) * 1979-12-12 1981-07-02 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer umkehrschuetze von drehstrommotoren
US4357502A (en) * 1980-12-22 1982-11-02 Westinghouse Electric Corp. Phase reversal switch mechanism
DE3327095A1 (de) * 1983-07-27 1985-02-07 Siemens AG, 1000 Berlin und 8000 München Wendeschuetz

Also Published As

Publication number Publication date
FI79765C (fi) 1990-02-12
DK174585D0 (da) 1985-04-18
DK174585A (da) 1985-10-20
DE3415019A1 (de) 1985-10-31
DE3563891D1 (en) 1988-08-25
US4618807A (en) 1986-10-21
FI79765B (fi) 1989-10-31
JPH0561736B2 (enrdf_load_stackoverflow) 1993-09-07
BR8501863A (pt) 1985-12-17
EP0159581A1 (de) 1985-10-30
FI851135L (fi) 1985-10-20
FI851135A0 (fi) 1985-03-21
JPS60236429A (ja) 1985-11-25
ATE35877T1 (de) 1988-08-15

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