EP0391994A1 - Steuervorrichtung für textilmaschine. - Google Patents
Steuervorrichtung für textilmaschine.Info
- Publication number
- EP0391994A1 EP0391994A1 EP89910064A EP89910064A EP0391994A1 EP 0391994 A1 EP0391994 A1 EP 0391994A1 EP 89910064 A EP89910064 A EP 89910064A EP 89910064 A EP89910064 A EP 89910064A EP 0391994 A1 EP0391994 A1 EP 0391994A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- control device
- yoke
- coil
- pole shoe
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1638—Armatures not entering the winding
- H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C1/00—Dobbies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/066—Electromagnets with movable winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/14—Pivoting armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
- H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F2007/1669—Armatures actuated by current pulse, e.g. bistable actuators
Definitions
- the invention relates to a control device according to the preamble of claim 1.
- the weaving pattern is converted into mechanical control commands in the form of electrical signals.
- the interface between electronics and mechanics should contain as few elements as possible and achieve a long service life at a high switching frequency.
- Electromagnet tension and / or compression springs other mechanical elements such as pawls, levers with corresponding sliding surfaces, which are necessary for mechanical strengthening.
- the electromagnet If the electromagnet is to attract the magnet armature for its control function without mechanical help, this magnet must have an appropriate power, it becomes large in terms of construction as well as in electrical dimensions, making the switching time longer due to the large mass of the armature, which impairs the performance of the dobby.
- the mechanical parts listed are subject to wear, are the cause of noise and vibrations and reduce the trouble-free function over a long period of operation of the dobby.
- the invention has for its object to reduce the number of parts necessary for the control of a dobby, to increase the ease of servicing and to achieve smooth running even at high speeds.
- this object is achieved in that a targeted combination of high-performance permanent magnets and electromagnets and a correspondingly selected shape of an Ivlan tanker in order to achieve the necessary working capacity for controlling mechanical switching operations with a minimum of mechanics is used, as described in claim 1.
- the advantages achieved by the invention consist in particular in that with very short electrical control pulses in the magnet coil a change in position of the magnet armature is achieved, a force pulse of high intensity being generated during the change of position of the magnet armature and this force pulse being used for direct control of the dobby and the magnet armature is held in any end position without supplying electrical energy, by utilizing the permanent magnetic flux of the permanent magnets.
- Fig. 9 control device with coil on tilt anchor.
- FIG. 1 One possible application of the control device in a dobby is shown in FIG. 1.
- the stem 20 is pulled into an end position, for example a low compartment, by means of spring 21.
- the shaft 20 is connected by pulling cable 22 to the pivotable lever 23, which is pivotable Balance 24 carries, at the opposite ends of which a pivotable hook 25, 26 is arranged.
- a rocker 27 pivoting synchronously with the weaving machine cycle moves the
- Control device 57 led to the hook 26, whereby a positive connection to the fixed control device 57 is formed.
- the rocker 27 now pivots into the other basic position, the holding hook 56 holding the hook 25 in place while the hook 26 is pushed towards the cold hook 55 by the rocker 27.
- the lever 23 undergoes a pivoting movement and pulls the shaft 20 into the high position by means of a pull cable 22.
- the holding hook 55 is not changed in position, the hook 26 is not held. If the shaft 20 must remain in the high compartment according to the pattern, the holding hook 55 is guided to the hook 26, as a result of which a positive connection to the fixed one
- Control device 57 arises.
- FIGS. 2 to 4 The basic mode of operation of the control device can be seen in FIGS. 2 to 4.
- a bistable magnet system consisting of the magnet yokes 1 and 2, the coil 4 and the polarized permanent magnets 3, a movable armature 5 is designed such that it is simultaneously on the pole shoe surfaces P 1 and P 22 is present, so that the permanent magnetic flux ⁇ M den
- a current-directed control pulse is conducted into the coil 4, which generates an electromagnetic excitation flux ⁇ E in the armature 5 which is opposite to the permanent magnetic flux ⁇ M (FIG. 3).
- the flux difference ⁇ M - ⁇ E arises at the pole shoe surfaces P 1 and P 22 , while the flux ⁇ M remains at the pole shoe surfaces P 11 and P 2 (FIG. 3).
- This larger flow ⁇ M compared to flow ⁇ M - ⁇ E brings the armature 5 from the stable contact pitch with P 1 , P 22 into the stable contact position P 11 , P 2 (FIG. 4).
- the armature 5 remains attached to the pole shoes P 11 , P 2 through the permanent magnetic flux ⁇ M without a current having to flow in the coil 4.
- Electromagnetic flux ⁇ E in the coil 4 is generated which is directed in the opposite direction to the permanent magnetic flux ⁇ M , whereupon the state shown in FIG. 2 is restored.
- the anchor in form and function as a tilt anchor 50.
- the tilt armature 50 is supported in the coil former 56 with the pivot point 51.
- FIG. 9 Another pivot position for the tilt armature 52 is shown in FIG. 9 where the pivot point 54 is arranged in a magnetic yoke 57.
- the toggle anchor can be designed to simplify functional processes outside the control device, for example as a holding hook 55, FIGS. 1 and 7.
- the tilt armature 52 is fixed in the coil body 53 and the coil body 53 pivots with the armature 52, FIG. 9.
- FIG. 8 shows an embodiment where the armature 45 and the coil 44 are stationary and the magnet yokes 42, 43 carry out the control movement, which can be transmitted to other elements by the toothed segment 41, for example.
- the permanent magnets 33, 34 With one-sided air gap L 1 and L 2 relative to the coupling surfaces K 11 and K 2 , a monostable switching behavior of the control device is achieved, as shown in FIG. 5.
- the armature 5 is pulled to the pole shoe surfaces P 1 , P 22 in the currentless state of the coil 4.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Textile Engineering (AREA)
- Electromagnets (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3732/88A CH679870A5 (de) | 1988-10-07 | 1988-10-07 | |
CH3732/88 | 1988-10-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0391994A1 true EP0391994A1 (de) | 1990-10-17 |
EP0391994B1 EP0391994B1 (de) | 1993-02-24 |
Family
ID=4262307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89910064A Expired - Lifetime EP0391994B1 (de) | 1988-10-07 | 1989-09-19 | Steuervorrichtung für textilmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US5029618A (de) |
EP (1) | EP0391994B1 (de) |
JP (1) | JP2881654B2 (de) |
CH (1) | CH679870A5 (de) |
WO (1) | WO1990004056A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5018556A (en) * | 1988-04-01 | 1991-05-28 | Murata Kikai Kabushiki Kaisha | Dobby loom with a magnetically operated hook selector |
US5275211A (en) * | 1990-09-07 | 1994-01-04 | Karl Mayer Textilmaschinenfabrik Gmbh | Electromagnetically activated jacquard control arrangement |
FR2791330B1 (fr) * | 1999-03-26 | 2001-04-20 | Hki Electronic Components Ltd | Dispositif pour extraire automatiquement et de maniere sequentielle des objets stockes en rangees dans des rayonnages |
FR2808616B1 (fr) * | 2000-05-02 | 2002-08-30 | Schneider Electric Ind Sa | Electroaimant rotatif |
EP2014805B1 (de) * | 2007-07-12 | 2011-12-14 | Groz-Beckert KG | Steuereinrichtung für eine Schaltkupplung einer Schaftmaschine |
US8279027B2 (en) | 2009-05-08 | 2012-10-02 | Sensus Spectrum Llc | Magnetic latching actuator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2461884C3 (de) * | 1974-12-30 | 1982-04-15 | Sds-Elektro Gmbh, 8024 Deisenhofen | Elektromagnetisches Schaltgerät |
DE3044829A1 (de) * | 1980-11-28 | 1982-07-01 | Harting Elektronik Gmbh, 4992 Espelkamp | Polarisiertes magnetsystem |
US4437078A (en) * | 1981-02-03 | 1984-03-13 | Omron Tateisi Electronics Co. | Polarized electromagnetic device |
FR2515703B1 (de) * | 1981-11-05 | 1983-12-09 | Staubli Sa Ets | |
DE3505169C2 (de) * | 1985-02-15 | 1995-04-06 | Mannesmann Ag | Betätigungsmagnet |
US4631430A (en) * | 1985-06-17 | 1986-12-23 | Moog Inc. | Linear force motor |
-
1988
- 1988-10-07 CH CH3732/88A patent/CH679870A5/de not_active IP Right Cessation
-
1989
- 1989-09-19 JP JP1509599A patent/JP2881654B2/ja not_active Expired - Lifetime
- 1989-09-19 WO PCT/CH1989/000173 patent/WO1990004056A1/de active IP Right Grant
- 1989-09-19 EP EP89910064A patent/EP0391994B1/de not_active Expired - Lifetime
- 1989-09-19 US US07/499,364 patent/US5029618A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9004056A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2881654B2 (ja) | 1999-04-12 |
US5029618A (en) | 1991-07-09 |
EP0391994B1 (de) | 1993-02-24 |
JPH03501755A (ja) | 1991-04-18 |
WO1990004056A1 (de) | 1990-04-19 |
CH679870A5 (de) | 1992-04-30 |
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