EP0299968B1 - Dispositif pour regler le rotor d'un commutateur rotatif - Google Patents

Dispositif pour regler le rotor d'un commutateur rotatif Download PDF

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Publication number
EP0299968B1
EP0299968B1 EP87902471A EP87902471A EP0299968B1 EP 0299968 B1 EP0299968 B1 EP 0299968B1 EP 87902471 A EP87902471 A EP 87902471A EP 87902471 A EP87902471 A EP 87902471A EP 0299968 B1 EP0299968 B1 EP 0299968B1
Authority
EP
European Patent Office
Prior art keywords
rotor
pos
drive system
mid
positions
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
EP87902471A
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German (de)
English (en)
Other versions
EP0299968A1 (fr
Inventor
Gerd Ruff
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.)
Rockwell Collins Deutschland GmbH
Original Assignee
Teldix GmbH
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 Teldix GmbH filed Critical Teldix GmbH
Publication of EP0299968A1 publication Critical patent/EP0299968A1/fr
Application granted granted Critical
Publication of EP0299968B1 publication Critical patent/EP0299968B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/10—Auxiliary devices for switching or interrupting
    • H01P1/12—Auxiliary devices for switching or interrupting by mechanical chopper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/02—Energy stored by the attraction or repulsion of magnetic parts

Definitions

  • the invention relates to a device with the features of claim 1.
  • Such devices are e.g. needed to set a waveguide switch or a coaxial switch.
  • Such a device is known (EP-A3 0147610).
  • the rotor of a waveguide switch is rotated with a stepper motor into the vicinity of the desired rotor position and then finally moved into the desired rotor position by magnetic forces.
  • Waveguide switches driven by stepper motors have a relatively high weight and large external dimensions and, in addition to an additional control circuit, require two line pairs for control in three possible positions.
  • the invention is concerned with setting the three positions _ seen in one direction of rotation _ via a single line pair, with low weight and small external dimensions, and to bring the rotor of the switch exactly into the three desired positions without mechanical locking means and keep there, which is particularly problematic in the middle position, but is achieved by the solution according to the invention.
  • the device according to the invention has two drive systems for one direction of rotation, both of which are controlled via a pair of lines.
  • a drive system rotates the rotor from one end position to an auxiliary position, which is in the vicinity of the one end position.
  • the rotor is moved from the auxiliary position to the central position by means of magnetic latching means and centered there.
  • the other drive system To switch to the other end position, the other drive system must be controlled on the same pair of lines. After the drive system has been switched off, the rotor is held in the other end position by magnetic latching means.
  • the rotor in the end position can be pressed against the stop by the magnetic latching means or centered if, according to claim 3, magnetic centering is provided and, according to claim 4, stops are connected are.
  • Figure 1 of the drawing shows a basic illustration of an embodiment of a waveguide switch in its three positions pos. 1, pos. 2 and pos. 3.
  • the inputs A are connected with B and C with D
  • in position pos 2 inputs B with C and A with D and in position 3, inputs A with C and B with D.
  • the control of the waveguide switch 7 is intended to be rotated in one direction via the line pair I and in the other direction via line pair II, separate windings being provided for the two directions of rotation.
  • the drive systems for the two directions as shown in Fig. 3, each have two drive windings I1 and I2 or II1 and II2.
  • the cogging torque curve 4 is from left to right first seen from a moment (4a) driving the rotor against the stop 2 (item 1), then from a course 4b which drives the rotor 1 to the right into position 3, then from a course 4c which follows the rotor 1 drives to the left into position 3 and then from a moment (4d) driving rotor 1 to stop 3 (item 2) to the right.
  • the directions of the moments acting on the rotor magnet or magnets are shown by solid arrows.
  • the solution according to FIG. 4 has the advantage that the abutment of the rotor 1 against the stops 2 or 3 enables heat to be dissipated. If this is not necessary, the end positions (pos. 1 and 2) can also be determined by magnetic centering, but will then still be moved later, for safety reasons.
  • a corresponding torque curve is shown in FIG. 5. In the central area (4'b) of the impressed cogging torque curve 4 ', the curve corresponds to that of Figure 4. However, the end positions (items 1 and 2) are now through the zero crossings (at items 1 and 2) of the cogging torque curve 4' in the Areas 4'a and 4'c determined.
  • the dashed drive torque 5 'for the rotation in the direction of an increasing angle ⁇ which largely corresponds to the torque curve (5) of Figure 4, provided with a pulse _ rotor 1 in the starting position (item 1) provided _ by means of the first drive system Rotor 1 again in the intermediate position (item 1 'of, for example, 15 °), from where it is brought into item 3 by means of the cogging torque (4'). From there, another pulse brings it into the end position (item 2) by means of the second drive system, the stop 3 preventing the rotor 1 from being rotated too far beyond the position item 2 by the drive torque.
  • the drive torque drops favorably towards the stop 3. It is understandable that the drive torque must be so rough that it can overcome the respective cogging torque.
  • the word "cogging torque curve" used above is intended to act on one or more rotor magnets 12 (see FIG. 6a), which is embossed on the stator 8 (see FIG. 6a) by designing and arranging permanent magnets 9, 10, 11 (see FIG. 6a) Designate torque curve according to Figures 4 and 5.
  • the magnetic centering corresponding to item 3 in FIG. 4 and corresponding to positions 1, 2 and 3 of FIG. 5 is achieved by a specially designed permanent magnet element 9, 12 (see FIG. 6a).
  • 4 is achieved by a drive system, corresponding to Fig. 6b, with different windings I1, I2 / II1, II2 are provided per direction of rotation, which are assigned different permanent magnet arrangements 13, 14 on the rotor side (see Fig. 6b).
  • Fig. 6 a device is shown in a basic representation in a partial processing, Fig. 6a shows the locking arrangement and Fig. 6b the drive.
  • the latching arrangement (detend element) 9, 10, 11, 12 is arranged on the rotor 1 and on the stator 8.
  • the permanent magnets 10, 11 of the permanent magnet pairs are offset from one another by approximately 13 °.
  • the rotary movement of the rotor 1 is limited to an angle of 90 ° by stops 2, 3 made of strongly damping material.
  • Fig. 6b represents the, according to the latching arrangement.
  • 6a shows an axially offset drive of the device.
  • two permanent magnet pairs 13, 14 of different sizes are arranged offset by 180 ° and a magnetic yoke 15.
  • the stator 8 contains four windings I1, I2, II1, II2, shown here symbolically as a simple conductor with the current direction shown, of which the windings I1, I2 are used for rotation in one direction of rotation and the windings II1, II2 for rotation in the other direction of rotation will.

Landscapes

  • Control Of Stepping Motors (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Electromagnets (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Brushless Motors (AREA)

Abstract

Dispositif pour régler le rotor (1) d'un commutateur rotatif dans trois positions possibles de réglage (positions 1 à 3). De tels commutateurs rotatifs peuvent être par exemple des commutateurs de guide d'ondes ou des commutateurs coaxiaux. L'excitation des enroulements de ce dispositif pour un sens rotatif s'effectue par l'intermédiaire d'une paire de conducteurs (I) avec une impulsion de courant. Cette impulsion de courant, via un premier système d'entraînement et au moyen d'un couple d'entraînement (5) produit par ce dernier, déplace le rotor (1) depuis une première position d'extrémité (position 1) dans la direction de la position médiane (position 3). Après interruption de l'impulsion de courant, un couple d'enclenchement (4) imprimé à demeure assure la poursuite de rotation du rotor (1) jusqu'à la position 3 où le rotor (1) est centré par l'allure du couple d'enclenchement (4). Avec une autre impulsion de courant sur la même paire de conducteurs (I), un second système d'entraînement, lequel produit un couple d'entraînement selon (5b), déplace le rotor (1) de la position médiane (position 3) à la position d'extrémité (positions 2).

Claims (6)

1. Dispositif pour régler le rotor (1) d'un commutateur rotatif à trois positions possibles, à savoir deux positions extrêmes (positions 1 et 2) et une position médiane (position 3), dans lequel, premièrement, des systèmes d'entraînement, présentant des enroulements (I, II) disposés sur un stator, sont commandés en vue de ce réglage, chaque système d'entraînement comportant deux enroulements (I₁, I₂ ou II₁, II₂) branchés en série, dont un premier enroulement (I₁, II₁) tourne le rotor, à la commande du système d'entraînement concerné, à partir d'une position extrême instantanée (position 1 ou position 2) à une position auxiliaire (Pos. 1′) coordonnée à la position médiane (position 3), deuxièmement, une allure de couple d'arrêt magnétique (4, 4′) agit à la position auxiliaire (Pos. 1′) pour, après l'arrêt du système d'entraînement concerné (I, II), centrer le rotor (1) à la position médiane (Pos. 3) et, troisièmement, un deuxième enroulement (I₂, II₂) du système, à la commande du système d'entraînement concerné, amène le rotor (1) à l'autre position extrême (Pos. 2 ou Pos. 1), caractérisé en ce que chaque système d'entraînement (I, II) peut être commandé à travers seulement une paire de lignes (I, II), que la position auxiliaire (Pos. 1′) est située plus près de la première position extrême (Pos. 1) que de la position médiane (Pos. 3), que l'allure du couple d'arrêt (4, 4′) est conformée, par l'utilisation d'un aimant permanent supplémentaire (11) sur le stator, de manière qu'à partir de cette position auxiliaire (Pos. 1′), après l'arrêt du système d'entraînement (I, II) concerné, un couple agissant en direction de la position médiane (Pos. 3), tourne le rotor (1) à la position médiane (Pos. 3) et le centre à celle-ci, et que le deuxième enroulement (I₂, II₂) est conçu pour entrer en action lors d'une nouvelle commande du système d'entraînement (I, II) concerné et tourner le rotor (1) au moins à proximité de sa deuxième position extrême (Pos. 2).
2. Dispositif selon la revendication 1, caractérisé en ce que des butées (2 et 3) déterminent les positions extrêmes (Pos. 1 et 2), auxquelles le rotor (1) est maintenu par des couples d'attraction (figures 4 et 6a).
3. Dispositif selon la revendication 1, caractérisé en ce que les positions extrêmes sont déterminées chacune par des centrages magnétiques (Fig. 5).
4. Dispositif selon la revendication 3, caractérisé en ce que les positions extrêmes (Pos. 1 et 2), déterminées par un centrage magnétique, sont suivies de butées (2, 3) (Fig. 5).
5. Dispositif selon une des revendications 1 à 4, caractérisé en ce que les positions possibles sont prévues à 0°, 45° et 90°.
6. Dispositif selon une des revendications 1 à 5, caractérisé en ce que le commutateur rotatif est un commutateur pour guides d'ondes ou un commutateur coaxial.
EP87902471A 1986-03-26 1987-03-25 Dispositif pour regler le rotor d'un commutateur rotatif Expired - Lifetime EP0299968B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3610228 1986-03-26
DE19863610228 DE3610228A1 (de) 1986-03-26 1986-03-26 Vorrichtung zum einstellen des rotors eines drehschalters

Publications (2)

Publication Number Publication Date
EP0299968A1 EP0299968A1 (fr) 1989-01-25
EP0299968B1 true EP0299968B1 (fr) 1991-06-05

Family

ID=6297343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87902471A Expired - Lifetime EP0299968B1 (fr) 1986-03-26 1987-03-25 Dispositif pour regler le rotor d'un commutateur rotatif

Country Status (4)

Country Link
US (1) US5012292A (fr)
EP (1) EP0299968B1 (fr)
DE (2) DE3610228A1 (fr)
WO (1) WO1987006063A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3731348A1 (de) * 1987-09-18 1989-03-30 Teldix Gmbh Bewegungsanordnung
WO1988005965A1 (fr) * 1987-01-28 1988-08-11 Teldix Gmbh Agencement de reglage d'un rotor
DE3716850C2 (de) * 1987-05-20 1997-08-07 Bosch Gmbh Robert Vorrichtung zum Einstellen des Rotors eines Drehschalters
DE3942811C2 (de) * 1989-12-23 1998-12-03 Euchner Gmbh & Co Handbetätigter Drehgeber mit taktiler Rastung
DE4205875A1 (de) * 1992-02-26 1993-09-02 Vdo Schindling Bedienvorrichtung
DE19528457C2 (de) * 1995-08-03 2001-03-08 Mannesmann Vdo Ag Bedieneinrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3141943A (en) * 1961-07-17 1964-07-21 Don Lan Electronics Inc Co-axial switch
US3344378A (en) * 1965-07-30 1967-09-26 Donald A Wilhelmson Magnetic detent
FR1567938A (fr) * 1967-11-15 1969-05-23
US4317972A (en) * 1980-06-09 1982-03-02 Transco Products, Inc. RF Transfer switch
GB2120463B (en) * 1982-05-13 1985-12-11 Racal Mesl Microwave Improvements in and relating to rotary actuators
US4628199A (en) * 1983-10-13 1986-12-09 Mueller Michael M Rotary noiseless detent switch
EP0147610B1 (fr) * 1983-12-22 1991-01-16 TELDIX GmbH Commutateur à guide d'ondes
DE3441728A1 (de) * 1983-12-22 1985-07-04 Teldix Gmbh, 6900 Heidelberg Hohlleiterschalter
IT1196202B (it) * 1984-07-25 1988-11-16 Michele Merlo Piccolo commutatore di guide d'onda
DE3524713A1 (de) * 1985-07-11 1987-01-15 Teldix Gmbh Bewegungsanordnung

Also Published As

Publication number Publication date
DE3610228A1 (de) 1987-10-01
WO1987006063A1 (fr) 1987-10-08
US5012292A (en) 1991-04-30
EP0299968A1 (fr) 1989-01-25
DE3770630D1 (de) 1991-07-11

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