SU413583A1 - - Google Patents

Description

one

According to the main author. St. No. 258435 is known for a single-phase stepper motor containing a serrated passive rotor and a stator with a ring coil and a ring magnet magnetized along the axis, in which the stator is hollow; in the form of Tipex it separates the coils and magitite of identical disks with symmetrical teeth and the inner surface. The serrated divisions of the disks adjacent to: the coil are equal to the dentate division of the rotor. The tooth division of the third disc is equal to half the tooth division of the rotor.

For the purpose of obtaining reverse movement in the described motor, an additional ring excitation winding with a magneto conduit was installed on the side of the disk adjacent to the magnet, the end face of which was made in the form of a disk similar to the disk adjacent to the magnet.

FIG. 1 shows a motor, longitudinal section; in fig. 2 shows sections along AA, BB, BB and GG in FIG. one.

The motor stator has an annular permanent magnet 1, magnetized along the axis, an annular control winding (phase) 2, excited by a single-phase alternating current voltage or different-pole pulses, and an annular excitation winding 3 switched on by direct current voltage. The control cable of the stator control winding consists of polkkiy crowns (disks 4 and 5, united by a mapping strip 6).

Similarly, the exciter winding of the stator, consisting of pole crowns 7 and 8 and roma 9. The rotor 11 is rigidly fixed on the common shaft 10. The crowns 4, 5, 7, 8 of the stator and the rotor 11 are provided with symmetric teeth, cut into the bore along their

cylindrical and surface m, and the tooth pitch (2 tons) on the crowns 4.5 of the stator and rotor 11 is twice as large as the tooth spacing (t) of the crowns 7, 8 of the stator. The axes of the teeth of the crown 4 are rotated relative to the axes of the teeth of the crown 5 half of their tooth-like deletions (t) so that when the teeth of the rotor 11 coincide with the teeth of the crown 4, the axes of the teeth of the crown 5 are oriented along the teeth of the rotor 11. Similarly, the crowns 7 and 8

stator excitation winding (by the value of T. / 2). With the coincidence of the teeth of the rotor 11 with the teeth of the crown 7 teeth of the crown 8 are oriented along the tooth slots of the rotor. The stator magnetic core is rotated relative to the magnetic field of the excitation winding by 1 / 4t so that when the teeth of the crown 4 coincide with the rotor teeth of the 11 teeth of the crown 7 are shifted by 1 / 4t clockwise, and the teeth of the crown 8 –and 1 / 4t counterclockwise from the teeth rotor.

The mutual arrangement of the tooth layers of the rotor 11 and the crowns 4, 5, 7, 8 of the stator is shown in FIG. 2 in the form of linear sweeps of the indicated tooth zones in sections A-A, BB, B-B and G-D in FIG. one.

The engine works as follows.

The flow of the permanent magnet closes on one side through parallel-connected phase crowns 4, 5 of the stator and rotor I, and on the other through parallel-connected crowns 7, 8 of the stator excitation winding and rotor 11. Due to the mutual displacement of the tooth layers on the crowns 4 and 5 ( sections A-A and B-B), as well as the mutual displacement of teeth on rims 7 and 8 (sections B-B and D-D), the total magnet flux does not change as the rotor rotates, but it is redistributed between the rims 4 and 5 s the one side and the crowns 7 and 8 on the other hand is proportional to the periodic change the magnetic conductivity of the toothed working air gaps between these stator crowns and the rotor.

The redistribution of a constant magnet flux between parallel stator crowns causes the appearance of variables in magnitude and direction of magnetic flux coupled to control winding 2 and excitation winding 3. These variable magnet flux couplings with windings 2 and 3 depend on an angle of 11 °; and) Same 11Pi JVJT,; ra and iMoryi to interact with chzhami and windings. Since the crowns 7 and 8 of the LI keys are parallel to the magnet and are consistent with respect to the winding, the magnet magnetizes both crowns with the same polarity, and the winding with opposite polarity. As a result, when the winding is turned on, one of the stator crowns is demagnetized, and the other is magnetized. When connected to the voltage of the direct current of the excitation winding 3, a fixing moment occurs. Depending on the polarity of the excitation winding 3, the teeth of the rotor 11 tend to occupy a position coaxial with the teeth of the crown 7 or 8. The rotor is fixed by the crown of the stator, in which the magnetizing forces of the magnet and the excitation winding 3 coincide in direction. If the initial position of the rotor is provided with a wire 7, then when switching the phase winding 2, a stable clockwise rotation occurs. When the polarity of switching on the winding 3 is changed, the reverse sign of the starting torque and the direction of rotation of the rotor of the engine change: the engine is reversed during operation or restarted from rest.

Orotiom direction, ie, counterclockwise.

Thus, the proposed single-phase synchronous or stepping motor is reversed and switched on the field winding.

The described construction is an example of a possible implementation and allows for a number of modifications that are not beyond the scope of the subject.

the invention.

The field winding and phase winding may be spun so as to use the same polarity. Phase winding. Can be controlled unipolar

by pulses through one channel, if a capacitor is provided, the discharge current of which, during pauses. between external pulses, provides a 1A1 half current wave in the phase winding.

The rotor 11. Can be formed by four m gear rims, similar to those of the stator. A permanent magnet 1 may be located on the rotor. Constructions: - can be odiopaketyoy. In that

in the case of the stator, two phases and two are replaced ;; fixing pole sectors of the stator with comb teeth; zones located on the circumference () of the gear-shaped rotor.

Dvp-atel. Can contain a rotor in 1i1; and Maglito-Zvezdot1ek and two stg / mountain with CHPS. POLES P and 2P sspvestyie; stator with 1; case of io.tusses P iiecc-i- control winding and stator with double number of poles 2I-

field winding; stator Iwover

 ..360 between C (and the angle is -.

Untitled 1 1) 1e modi1a 1i and others possible in 3 waves are characterized by the presence of two magnetic conductors, excited respectively by a permanent magnet, compatible with phase 1, and 10 together with an excitation winding, and any one of them is specified depending on the expedient scheme, it can also be rlsn (on the bifil rye semi-windings.

Subject matter and i

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