SU1661928A1 - Thyratron motor - Google Patents

Abstract

This invention relates to electrical machines with destact switching. The purpose of the invention is to increase the weight of overall indicators. The valve motor differs from the known ones in that the winding 10, which is placed in the through radial grooves 8 of the winding holder 9, is fixed on the circumference of the inner and outer frontal parts by means of 9 projections made on the spokes of the winding holder, partially overlapping the radial grooves, and T-shaped retainers - wedges 16. Such a design causes a reduction in the winding thickness and an increase due to this use of the electric motor. The invention may be used in electric motors for driving tape mechanisms. 4 il.

Description

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The invention relates to electric machines and can be used in non-contact electric motors for driving the drive shaft and other components of a video recorder.

The purpose of the invention is to increase the mass and energy indicators.

Figure 1 shows a valve motor; figure 2 - disk stator; on fig.Z - section aa in figure 2 ;. figure 4 - locking wedge.

The valve motor comprises a rotor 1 with magnetic cores 2 and 3, a magnet 4, a sleeve 5, a shaft 6 and a stator 7 with a winding 10 of the winding body 9 which is mounted in the transport radial grooves 8 of the winding body 9, and which are fastened with needles 13 The circumferences of the beginning of the inner and outer frontal portions 14 and 15 of the winding and partially overlap the radial grooves 8 and the T-shaped locking devices of the wedge 16. The radial parts 10 of the windings are laid in one layer and do not overlap each other. The front parts 14 and 15 of the winding overlap each other, and therefore these parts of the winding are thicker than the radial parts 10. The front parts 14 and 15 may be symmetrical (figure 2) or asymmetrical. On the spokes 13 of the winding 9, Hall converters 17 are fixed, the leads of which and the windings 10 are decoupled on the printed circuit board 18. The stator 7 is mounted on the housing 19. The rotor can be rotated in the bearings 20. Axial movement of the shaft is regulated by the bushing 21.

Figure 2 shows an embodiment of a three-phase stator winding of a six-pole electric motor. It is possible to perform a stator with a different number of phases. Each phase of the winding includes three

sections located through 120 ° and diametrically made in steps of 1-4 along the radial grooves 8 of the winding holder 9. Thus, each phase of the winding 10 of the stator 7

is located in the zone of all poles of magnet 4 of rotor 1, and magnet 4 is fully utilized.

The phases of the winding 10 are switched by an electronic switch controlled by Hall converters 17 controlled by a magnet 4. The stator 7 winding is performed for each phase by a continuous wire in the form of flat sections, then laid in

the slots of the wrapper 9 are fastened with wedges 16, unsoldered on the plate 18 and fastened with varnish or epoxy resin.

Such a device allows to increase

Claims (1)

Efficiency and reduce the overall dimensions of the electric motor by reducing the thickness of the working part of the disk stator. Claims of the invention: A valve motor containing a stator of a disk structure with a winding located in the through radial grooves between the spokes of the winding holder in the rotor's magnetic end gap, which contains at least one magnetised axially multipole permanent magnet, characterized in that, in order to increase mass-energy performance, it is equipped with T-shaped wedges, the winding holder is made with protrusions located in the zone of internal and external winding winding parts with the possibility of partial overlapping of the radial grooves; a wedge is installed between the winding and the protrusions of the coil. 13 15 eleven " 17 IB 16 14