CN103022597A

CN103022597A - Linear type waveguide switch

Info

Publication number: CN103022597A
Application number: CN2012105162573A
Authority: CN
Inventors: 郭高文; 赵然; 于倩; 柳晶; 王文涛; 姜东明
Original assignee: China Aerospace Times Electronics Co Ltd; China Academy of Aerospace Electronics Technology Co Ltd
Current assignee: China Aerospace Times Electronics Co Ltd; China Academy of Aerospace Electronics Technology Co Ltd
Priority date: 2012-11-30
Filing date: 2012-11-30
Publication date: 2013-04-03
Anticipated expiration: 2032-11-30
Also published as: CN103022597B

Abstract

The invention discloses a linear type waveguide switch which consists of a stator casing, an active cell assembly and two groups of drive assemblies. The active cell assembly consists of an active cell casing, a straight waveguide tube, a bent waveguide tube and two pieces of magnet steel. The straight waveguide tube and the bent waveguide tube are installed in a cavity of the active cell assembly, the two pieces of magnet steel are respectively installed on two end faces of the active cell assembly, and dovetail grooves are processed on two sides of the active cell casing. Each group of drive assemblies consists of a stator cover, a circuit board and a solenoid, wherein the solenoid is fixed on the stator cover, and the circuit board is installed in the solenoid. The two groups of drive assemblies are installed at two ends of the stator casing, two sides of an inner wall of the stator casing are provided with rams for installing active cell assembly, and a waveguide window for forming a waveguide channel together with the straight waveguide tube or the bent waveguide tube in the active cell assembly is processed on the stator casing. The linear type waveguide switch is simple in structure, light in weight and high in switching speed.

Description

A kind of linear pattern waveguide switch

Technical field

The present invention relates to a kind of linear pattern waveguide switch, particularly a kind of linear pattern single-pole double throw or dpdt double-pole double-throw (DPDT) waveguide switch belong to the mechanical ﹠ electrical technology field.

Background technology

Waveguide switch is as a kind of electromechanical integration assembly, be mainly used in switching between the break-make of selection, waveguide energy of microwave signal transmission path or the passage, be widely used as the radar of high-power output and the change over switch for subsequent use of communication transmitter, also be widely used in the microwave transmitter and microwave observing and controlling engineering of Satellite Communication System simultaneously.Being commonly used to realize antenna on backup in 1: 1 of core microwave equipment or the microwave power signal and the switching between the passage of unloading, is one of critical component of satellite-signal emission system.

Traditional waveguide switch is mainly taked rotary structure, and general structure is divided into navigation system and electromagnetic driving system.Navigation system is formed by leading rotor, leading stator, bearing assemble, and electromagnetic driving system is the finite angle motor, and the finite angle motor makes the leading rotor realize the reciprocating rotary of limited angle in the leading stator by transmission mechanisms such as flat keys.Its major advantage is that waveguide is curved and is integrated on the leading rotor, and structure is comparatively compact, ripe.Its major defect is that electric machine structure is complicated, and the switch overall weight is heavier, accurate location difficulty after switching, and the waveguide mouth is aimed at and is owed accurately to cause microwave property index variation.

Summary of the invention

Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, a kind of linear pattern waveguide switch is provided, simple in structure, weight is lighter, and switch speed is fast.

Technical solution of the present invention is: a kind of linear pattern waveguide switch, by stator case, mover assembly and two groups of driven units form, mover assembly is by the mover housing, the straight wave guide pipe, waveguide elbow and two blocks of magnet steel form, straight wave guide pipe and waveguide elbow are installed in the cavity of mover assembly, two blocks of magnet steel are installed in respectively on two end faces of mover assembly, the both sides of mover housing are processed with dovetail groove, every group of driven unit is by stator cover, circuit board and solenoid form, solenoid is fixed on the stator cover, circuit board is installed in the solenoid, two groups of driven units are installed in the two ends of stator case, the inwall both sides of stator case are provided with ram and are used for mover assembly is installed, and are processed with waveguide window on the housing of stator case and are used for forming the microwave path with straight wave guide pipe or the waveguide elbow of mover assembly.

One group or two groups of straight wave guide pipes and waveguide elbow are set in the described mover assembly, when one group of straight wave guide pipe and waveguide elbow are set, make waveguide switch form the single-pole double throw waveguide switch, when two groups of straight wave guide pipes and waveguide elbow are set, make waveguide switch form the dpdt double-pole double-throw (DPDT) waveguide switch.

The present invention compared with prior art has following advantage:

(1) the present invention takes than traditional rotary waveguide switch, and is simple in structure with the actuating force that two groups of solenoids replace traditional finite angle motor to switch as the waveguide microwave passage, and more reliable;

(2) the present invention's mode of adopting solenoid to cooperate with permanent-magnet steel realizes the switching over action, can guarantee to realize on the basis of microwave transmission parameter the quick switching of microwave transmission passage, more rotary greatly shortening switching time, the rotary waveguide switch of tradition switching time is 300mS to 400mS, and can shorten to 50mS to 100mS switching time of the present invention.

(3) the present invention is than the rotary waveguide switch of tradition, and weight is lighter, and the mover assembly of navigation system and stator case mainly are comprised of thin-wall case and aluminium matter waveguide, alleviates than traditional leading stator and solid leading rotor weight.In addition, adopt solenoid as after driving power, than traditional finite angle motor, weight can reduce 30%.The total weight addition of two parts can be reached a conclusion, and the present invention is lighter than traditional rotary waveguide switch quality.

Description of drawings

Fig. 1 is the composition structural representation of single-pole double throw waveguide switch;

Fig. 2 is the composition structure three-dimensional schematic diagram of single-pole double throw waveguide switch;

Fig. 3 is that dovetail groove cooperates principle schematic with ram;

Fig. 4 is drive principle figure of the present invention;

Fig. 5 is single-pole double throw waveguide switch microwave channel switching principle figure;

Fig. 6 is the composition structural representation of dpdt double-pole double-throw (DPDT) waveguide switch;

Fig. 7 is three schematic diagrames of composition structure of dpdt double-pole double-throw (DPDT) waveguide switch;

Fig. 8 is dpdt double-pole double-throw (DPDT) waveguide switch microwave channel switching principle figure.

Embodiment

The present invention is described in further detail below in conjunction with the drawings and specific embodiments.

Such as Fig. 1, shown in 2, the present invention is mainly by stator case 1, mover assembly 2 and two groups of driven units 3 form, mover assembly 2 is by mover housing e, straight wave guide pipe f, waveguide elbow g and two magnet steel d form, straight wave guide pipe f and waveguide elbow g are installed in the cavity of mover assembly 2, two magnet steel d are installed in respectively on two end faces of mover assembly 2, the both sides of mover housing e are processed with dovetail groove h, every group of driven unit 3 is by stator cover a, circuit board b and solenoid c form, solenoid c is fixed on the stator cover a, circuit board b is installed in the solenoid c, two groups of driven units 3 are installed in the two ends of stator case 1, as shown in Figure 3, the inwall both sides of stator case 1 are provided with ram and are used for mover assembly 2 is installed, and are processed with waveguide window on the housing of stator case 1 and are used for forming the microwave path with straight wave guide pipe f or the waveguide elbow g of mover assembly 2.

Stator case 1 is the main base part of waveguide switch: the stator case 1 that is provided with the dovetail groove type ram can provide the track of mover assembly 2 slips, for the single-pole double throw waveguide switch, two sides on stator case are processed with 3 waveguide windows altogether, in order to form the microwave transmission path with straight wave guide pipe f and waveguide elbow g.Two sides of stator case 1 opening are processed with screwed hole, can make driven unit 3 can firmly be installed in the two ends of stator case 1.

Mover assembly 2 is key components of realizing that microwave channel switches, and mover housing e is the bearing base of mover assembly 2, is processed with the dovetail groove that matches and use with stator case 1 on it, can do toward polyslip at the dovetail type ram.Straight wave guide pipe f and waveguide elbow g are fixedly mounted among the cavity of mover housing e, form microwave channel.Two magnet steel d are adhered to respectively in the blind hole of former and later two end faces of mover housing e, in order to cooperate with solenoid c, realize the driving of mover assembly.The driving of mover assembly 2 is to utilize the o c of two driven units 3 and the magnet steel d that is positioned at mover assembly 2 two ends to realize.The break-make of o c is to be realized by the circuit board b that is fixed in two stator cover a.

Driven unit 3 is the key feature that realize mover assembly 2 slippage in stator case 1, and it is assembled by stator cover a, circuit board b and solenoid c.Stator cover a is load bearing element, is screwed on stator case 1.Circuit board b is used for the direction of control solenoid c magnetic pole, realizes the slippage of mover assembly 2 in stator case 1.Solenoid c is the core component of driven unit 3, and its Main Function is to provide the actuating force of mover assembly 2, realizes the switching of microwave channel.

Operation principle of the present invention as shown in Figure 4, when the magnet steel d of a driven unit 3 solenoid c and mover assembly 2 one ends inhales mutually, the magnet steel c of another driven unit 3 solenoid c and mover assembly 2 other ends must repel each other, namely the pole orientation as one of them driven unit 3 solenoid c is the right N of left S, when the pole orientation of another driven unit 3 solenoid c is the right S of left N, mover assembly 2 under the driving of electromagnetic force to left movement.On the contrary, when the pole orientation of one of them driven unit 3 solenoid c is the right S of left N, when the pole orientation of another driven unit 3 solenoid c was the right N of left S, mover assembly 2 moved right under the driving of electromagnetic force.As shown in Figure 5, when mover assembly 2 during to left movement, waveguide switch is in state 1, and the waveguide window of stator case 1 and waveguide elbow g form the microwave transmission passage.On the contrary, when mover assembly 2 moved right, waveguide switch was in state 2, and the waveguide window of stator case 1 and straight wave guide pipe f form the microwave transmission passage.

For linear pattern dpdt double-pole double-throw (DPDT) waveguide switch, shown in Fig. 6,7, the straight wave guide pipe of assembling is made of two straight wave guide pipe f in the mover assembly, and waveguide elbow is comprised of a waveguide elbow g1 and two waveguide elbow g2, respectively has two waveguide windows in the both sides of stator case 1 accordingly.As shown in Figure 8, when mover assembly 2 during to left movement, waveguide switch is in state 1, the waveguide window of stator case 1 and straight wave guide pipe form the microwave transmission passage, otherwise, when mover assembly 2 moved right, waveguide switch was in state 2, the waveguide window of stator case 1 with form the microwave transmission passage by waveguide elbow.

The present invention utilizes electromagnetic driving system to make mover reciprocating motion in stator case realize the switching of different waveguide passage.The present invention is simple in structure, switching is quick, and application prospect is extensive.The content that is not described in detail in the specification belongs to this area professional and technical personnel's known technology.

Claims

1. linear pattern waveguide switch, it is characterized in that: by stator case (1), mover assembly (2) and two groups of driven units (3) form, mover assembly (2) is by mover housing (e), straight wave guide pipe (f), waveguide elbow (g) and two blocks of magnet steel (d) form, straight wave guide pipe (f) and waveguide elbow (g) are installed in the cavity of mover assembly (2), two blocks of magnet steel (d) are installed in respectively on two end faces of mover assembly (2), the both sides of mover housing (e) are processed with dovetail groove (h), every group of driven unit (3) is by stator cover (a), circuit board (b) and solenoid (c) form, solenoid (c) is fixed on the stator cover (a), circuit board (b) is installed in the solenoid (c), two groups of driven units (3) are installed in the two ends of stator case (1), the inwall both sides of stator case (1) are provided with ram and are used for mover assembly (2) is installed, and are processed with waveguide window on the housing of stator case (1) and are used for forming the microwave path with straight wave guide pipe (f) or the waveguide elbow (g) of mover assembly (2).

2. a kind of linear pattern waveguide switch according to claim 1, it is characterized in that: one group or two groups of straight wave guide pipes (f) and waveguide elbow (g) are set in the described mover assembly (2), when one group of straight wave guide pipe (f) and waveguide elbow (g) are set, make waveguide switch form the single-pole double throw waveguide switch, when two groups of straight wave guide pipes (f) and waveguide elbow (g) are set, make waveguide switch form the dpdt double-pole double-throw (DPDT) waveguide switch.