RU2578295C1 - Waveguide switch - Google Patents

Abstract

FIELD: machine building.

SUBSTANCE: invention relates to microwave engineering and represents waveguide switch. Switch comprises concentric rotor and stator with waveguide channels made in them, control unit, device to lock rotor relative to stator and actuating device. Actuator is composed of concentric magnetic conductor in form of ring and rotor. Magnetic conductor has on internal surface of even number of teeth of at least four, arranged symmetrically about the axis of symmetry of magnetic conductor in each pair of teeth. On each tooth inductance coil is wound. Coil located on teeth of each pair, electrically connected to each other so that beginning of winding of first coil is connected to end winding of second coil, and idle coil outputs are connected to control unit. Rotor of actuating device is magnet in form of cylinder and is mechanically secured to rotor axis of waveguide switch, magnetic poles are located parallel to axis of one of poles (S or N) covers ends of teeth of one half of coils, and other pole (N or S) covers one or more teeth ends of other half of coils.

EFFECT: technical result is enabling direct switching between any positions.

1 cl, 2 dwg

Description

The invention relates to microwave electronics and is intended for high-speed switching of broadband waveguide paths of a high power level.

Known waveguide switch containing a stator in which the input and output channels are located, and a rotor located coaxially inside it, in which the switching channels are made. The rotor consists of two parts located symmetrically about its axis and connected by springs, and each part of the rotor is installed with the possibility of compression to the stator by means of a locking mechanism consisting of three cams placed between the parts of the rotor (AS USSR No. 1282243, Н01Р 1 / 12, 1987).

The disadvantage of the switch is its low speed, large dimensions and low reliability, due to the complexity of the design.

A waveguide switch is also known, comprising a concentrically arranged stator and rotor with made waveguide channels, the narrow walls of which lie in a plane perpendicular to the axis of rotation of the rotor, a control unit, an upper and lower base and an actuator are additionally introduced. The actuator is made in the form of a micromotor, microswitches, a drive coupling, a cam, a lead and a lever. The micromotor is coaxially located with the rotor and is fixed in the lower base on which the control unit is mounted, and a cam with a leash is mounted on the micromotor shaft. Microswitches are mounted on the upper base, interacting with a lever mounted on one end of the rotor shaft, and a drive clutch is installed on the other end of the rotor shaft. Blind holes are made equidistant to the rotor channel. Axial grooves filled with ferroepoxide are made in the rotor. The leash is made in the form of a flexible element. The waveguide switch from the ends is closed by a lid and a glass mounted on the upper and lower bases, respectively. The waveguide switch is equipped with L-shaped latches, each of which is made in the form of a two-arm lever mounted on an axis, and one lever arm is spring-loaded (RF Patent No. 2376689, Н01Р 1/12, 10.26.2007).

The disadvantages of this switch are low reliability due to the complexity of the design, as well as step-by-step switching from one position to another, which leads to the difficulty of controlling the actuator.

The closest is a waveguide switch containing a housing in which input and output windows are made, a rotor having switching channels and installed in the housing, and an actuator consisting of electromagnets mounted symmetrically on both sides of the rotor axis, and limit stops, while in order to increase vibration resistance, a magnetically conductive base mounted on the axis of the rotor, and two segment-shaped permanent magnets that are mounted on a magnetically conductive base symmetrically about the axis of the rotor, while segment-shaped permanent magnets face the poles of the electromagnets with opposite poles and the axis of symmetry is placed at an angle to the line connecting the centers of the poles of the electromagnets, and the electromagnets are parallel to the axis of the rotor (AS USSR No. 1083255, Н01Р 1/12 , 1984).

The disadvantage of this switch is the limited number of switching positions.

The technical result of the invention consists in the possibility of creating a waveguide switch with a number of positions from 2 to K, in the possibility of switching from one position to any other immediately, and not step by step, ease of control of the actuator, where K is any even number from four or more.

To achieve a technical result, a waveguide switch is proposed comprising concentrically arranged stator and rotor with made waveguide channels, narrow or wide walls of which lie in a plane perpendicular to the axis of rotation of the rotor, a control unit, a rotor fixing device relative to the stator and an actuator. The actuator is a magnetic circuit in the form of a ring with teeth on the inner surface, while the plane of the magnetic circuit is perpendicular to the axis of rotation of the rotor, and the magnetic circuit is concentric with the rotor and has a number of teeth multiple of two and at least four, located symmetrically with respect to the axis of symmetry of the magnetic circuit in each pair teeth. An inductance coil is wound on each tooth, as on a core, and inductors located on the teeth of each pair are electrically interconnected as follows: the beginning of the winding of the first coil is connected to the end of the winding of the second coil, and the unused terminals of the coils are connected to the control unit. The rotor of the actuator is a magnet either in the form of a cylinder or one or more sectors of the cylinder and is placed in the center of the magnetic circuit and mechanically fixed on the axis of the rotor of the waveguide switch so that it can freely rotate inside the magnetic circuit together with the rotor of the waveguide switch, while the axis of the waveguide rotor The switch is made of non-magnetic materials. The magnetic poles of the rotor of the actuator are parallel to the axis of the rotor of the waveguide switch. One of the poles (S or N) overlaps the ends of the teeth of one half of the inductors, and the other pole (N or S) overlaps one or more ends of the teeth of the other half of the inductors.

In FIG. 1 shows a waveguide switch, a section, in FIG. 2 is a section AA of FIG. one.

The waveguide switch has:

1 - stator;

2 - rotor;

3 - device for fixing the rotor relative to the stator;

4 - control unit;

5 - actuator;

6 - axis of the rotor;

7 - waveguide channel in the stator;

8 - waveguide channel in the rotor;

9 - magnetic circuit;

10 - inductor;

11 - rotor actuator.

The switch operates as follows.

Upon receipt of the control signal from the control unit 4 to the inductance coils 10 of one of the pairs, a magnetic field arises, which, interacting with the magnetic field of the rotor of the actuator 11, mechanically fixed on axis 6, rotates the rotor 2 of the switch until the waveguide channels 7 and 8 are combined. After that, the position of the rotor 2 relative to the stator 1 is blocked by the locking device 3. In this case, the control signal has a duration sufficient for the rotor 2 to move from one initial position to another. To switch the waveguide switch to another position, it is necessary to apply a control signal to any other pair of inductors 10. Thus, the number of pairs of coils corresponds to the number of positions of the rotor relative to the stator. Due to the fact that the rotor of the actuator 11 is either a cylinder or one or several sectors of the cylinder and is placed in the center of the magnetic circuit 9, and one of the poles (S or N) overlaps the ends of the teeth of one half of the inductors 10 and the other pole (N or S) overlaps one or more ends of the teeth of the other half of the inductors 10, it is possible to switch the waveguide switch from any position to any other immediately, and not step by step.

Claims (1)

A waveguide switch comprising concentrically arranged stator and rotor with made waveguide channels, narrow or wide walls of which lie in a plane perpendicular to the axis of rotation of the rotor, a control unit, a rotor fixing device relative to the stator and an actuator, characterized in that the actuator is a magnetic circuit in in the form of a ring with teeth on the inner surface, while the plane of the magnetic circuit is perpendicular to the axis of rotation of the rotor, and the magnetic circuit itself e is located concentrically to the rotor and has a number of teeth in multiples of two and not less than four and located at the same time symmetrically with respect to the axis of symmetry of the magnetic circuit in each pair of teeth, and an inductance coil, inductor coils located on the teeth of each pair are wound on each tooth as a core electrically interconnected as follows: the beginning of the winding of the first coil is connected to the end of the winding of the second coil, and the idle leads of the coils are connected to the control unit, while the rotor is The device is a magnet either in the form of a cylinder or one or more sectors of the cylinder and is placed in the center of the magnetic circuit and mechanically fixed on the axis of the rotor of the waveguide switch so that it can freely rotate inside the magnetic circuit together with the rotor of the waveguide switch, while the axis of the rotor of the waveguide switch made of non-magnetic materials, and the magnetic poles of the rotor of the actuator are parallel to the axis of the rotor of the waveguide switch and one of lusov (S or N) overlaps the ends of the teeth of one half of the inductors, and the other pole (N or S) overlaps one or more ends of the teeth of the other half of the inductors.

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