CN114335928A - High-isolation electric waveguide switch - Google Patents

High-isolation electric waveguide switch Download PDF

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Publication number
CN114335928A
CN114335928A CN202111528386.XA CN202111528386A CN114335928A CN 114335928 A CN114335928 A CN 114335928A CN 202111528386 A CN202111528386 A CN 202111528386A CN 114335928 A CN114335928 A CN 114335928A
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China
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waveguide
rotor
baffle plate
stator
rotating
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CN202111528386.XA
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CN114335928B (en
Inventor
刘迎喜
赵娜
何粉绒
伍捍东
安增权
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XI'AN HENGDA MICROWAVE TECHNOLOGY DEVELOPMENT CO LTD
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XI'AN HENGDA MICROWAVE TECHNOLOGY DEVELOPMENT CO LTD
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Abstract

The invention discloses a high-isolation electric waveguide switch, which comprises a columnar waveguide stator, wherein a cylindrical blind hole is formed downwards along the top surface of the waveguide stator, four waveguide ports are distributed on the peripheral surface of the waveguide stator at intervals, and a microwave transmission channel is formed between each blind hole and each waveguide port; the waveguide rotor comprises a baffle plate axially arranged along the blind hole, the top end of the baffle plate is provided with a top baffle plate, and the bottom end of the baffle plate is provided with a bottom baffle plate; a plurality of vertical choke grooves are formed in the periphery of the top partition plate and the periphery of the bottom partition plate at intervals; the two side ends of the baffle are respectively provided with a plurality of annular choke grooves; a power mechanism for driving the waveguide rotor to rotate along the axis of the waveguide rotor is connected above the top clapboard; the vertical choke groove and the annular choke groove are respectively arranged on the waveguide rotor, so that the waveguide switch can realize the electric contact of waveguide transmission, and the isolation degree of the waveguide switch is further improved.

Description

High-isolation electric waveguide switch
Technical Field
The invention belongs to the technical field of waveguide switches, and particularly relates to a high-isolation electric waveguide switch.
Background
The waveguide switch is used as a mechatronic component, is mainly used for selection of a microwave signal transmission path, connection and disconnection of waveguide transmission energy or switching between channels, is widely used as a standby change-over switch of a high-power transmission radar and a communication transmitter, is also widely applied to microwave transmitting equipment and microwave measurement and control engineering of a satellite communication system, is usually used for realizing 1:1 backup of core microwave equipment or switching between an antenna and a load-removing channel on a microwave power signal, and is one of key components of a satellite signal transmitting system.
With the development of microwave technology, the operating frequency of microwave equipment such as radars and the like is wider and wider, the power is higher and the sensitivity requirement is higher, which also puts higher requirements on the frequency band, the power capacity and the isolation of the waveguide switch. Therefore, the research on the waveguide switch with wide frequency band, high power, high isolation and small insertion loss is carried out, and the waveguide switch has important significance on the development of radar and communication systems.
Disclosure of Invention
The invention aims to provide a high-isolation electric waveguide switch so as to improve the applicability of the waveguide switch to a high-isolation application scene.
The invention adopts the following technical scheme: a high-isolation electric waveguide switch comprises a columnar waveguide stator, wherein a cylindrical blind hole is formed downwards along the top surface of the waveguide stator, four waveguide ports are distributed on the peripheral surface of the waveguide stator at intervals, and a microwave transmission channel is formed between each blind hole and each waveguide port;
the waveguide rotor comprises a baffle plate axially arranged along the blind hole, the top end of the baffle plate is provided with a top baffle plate, and the bottom end of the baffle plate is provided with a bottom baffle plate;
a plurality of vertical choke grooves are formed in the periphery of the top partition plate and the periphery of the bottom partition plate at intervals; the two side ends of the baffle are respectively provided with a plurality of annular choke grooves;
a power mechanism for driving the waveguide rotor to rotate along the axis of the waveguide rotor is connected above the top clapboard;
the baffle is used for rotating along with the waveguide rotor so as to separate the blind holes, and therefore adjacent microwave transmission channels are communicated.
Furthermore, a first rotating gap is formed between the two side ends of the baffle and the inner wall surface of the waveguide stator, a second rotating gap is formed between the circumferential surface of the top baffle and the inner wall surface of the waveguide stator, and a third rotating gap is formed between the circumferential surface of the bottom baffle and the inner wall surface of the waveguide stator;
the first, second and third rotational clearances are of equal size.
Furthermore, a waveguide rotor is installed in the blind hole, and the waveguide rotor and the waveguide stator are coaxial.
Further, four waveguide ports are uniformly distributed on the circumferential surface of the waveguide stator.
Furthermore, vertical strip-shaped grooves are formed in the two side ends of the baffle plate, and extend from the top end to the bottom end of the baffle plate;
vertical strip-shaped grooves are also formed in the positions, corresponding to the vertical strip-shaped grooves of the baffle, of the periphery of the top partition plate, and the vertical strip-shaped grooves in the periphery of the top partition plate are communicated with the vertical strip-shaped grooves in the baffle;
vertical strip-shaped grooves are also formed in the positions, corresponding to the vertical strip-shaped grooves of the baffle, of the periphery of the bottom partition plate, and the vertical strip-shaped grooves in the periphery of the bottom partition plate are communicated with the vertical strip-shaped grooves in the baffle.
Furthermore, coaxial rotating shafts are arranged above the top partition plate and below the bottom partition plate, and the rotating shafts are fixedly installed on the waveguide stator through bearings.
Furthermore, a connector is arranged on the rotating shaft above the top clapboard, a transmission part is arranged on the connector, and the transmission part is connected with a power mechanism.
Furthermore, the top of the transmission piece is provided with a groove arranged along the radial direction of the waveguide rotor, the power mechanism comprises a rotating rod, and the lower end of the rotating rod is positioned in the groove;
the dwang is used for the circumference motion along the waveguide rotor to drive the waveguide rotor through rotating the piece and rotate along its axis.
Furthermore, a limiting ring is arranged on the outer side of the rotating piece and fixedly arranged above the waveguide stator;
the limiting ring comprises a ring body, wherein a bulge is arranged on the inner side of the ring body towards the axis direction and is positioned on the rotating track of the rotating piece.
Further, the protrusion has two end surfaces on the rotation locus, and the two end surfaces are perpendicular to each other.
The invention has the beneficial effects that: the vertical choke groove and the annular choke groove are respectively arranged on the waveguide rotor, so that the electric contact of waveguide transmission can be realized, and the isolation of the waveguide switch is further improved; in addition, the waveguide rotor is formed by the baffle, the top partition plate and the bottom partition plate, so that the weight of the waveguide switch can be reduced as much as possible, the waveguide switch is easy to machine and form, and the deformation problem caused by special procedures (such as welding) in the machining and forming process is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a high-isolation electric waveguide switch according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a stop collar according to an embodiment of the invention;
FIG. 3 is a longitudinal cross-sectional view through the waveguide rotor and waveguide stator axis in an embodiment of the present invention;
FIG. 4 is a transverse cross-sectional view taken across the cross-section of the waveguide rotor and waveguide stator in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a waveguide rotor according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a power mechanism and a transmission mechanism according to an embodiment of the present invention;
FIG. 7 is an exploded view of a high isolation electrical waveguide switch according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a high-isolation electric waveguide switch (sealed type) according to another embodiment of the present invention.
Wherein: 10. a power mechanism; 11. a fixed shaft; 12. rotating the rod; 13. a coil; 14. a magnetic sheet; 15. a blocking plate;
20. a transmission mechanism; 21. a through hole; 22. an arc-shaped hole;
30. a waveguide stator; 40. a limiting ring; 50. a transmission member;
60. a waveguide rotor; 61. a connector; 62. a top baffle; 63. a bottom partition; 64. a baffle plate; 65. an annular choke groove; 66. a vertical choke groove; 67. a rotating shaft; 68. a process tank; 69. a vertical strip-shaped groove;
70. a bearing; 80. and (6) sealing the cover.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention discloses a high-isolation electric waveguide switch, which comprises a columnar waveguide stator 30, wherein a cylindrical blind hole is formed downwards along the top surface of the waveguide stator 30, four waveguide ports are distributed on the peripheral surface of the waveguide stator 30 at intervals, and a microwave transmission channel is formed between each blind hole and each waveguide port; the waveguide rotor 60 comprises a baffle plate 64 arranged along the axial direction of the blind hole, wherein the top end of the baffle plate 64 is provided with a top baffle plate 62, and the bottom end of the baffle plate 63 is provided with a bottom baffle plate; a plurality of vertical choke grooves 66 are formed in the periphery of the top partition plate 62 and the periphery of the bottom partition plate 63 at intervals; the two side ends of the baffle plate 64 are respectively provided with a plurality of annular choke grooves 65; a power mechanism 10 for driving the waveguide rotor 60 to rotate along the axis thereof is connected above the top partition plate 62; the baffle plate 64 is used for rotating with the waveguide rotor 60, so as to separate blind holes, and adjacent microwave transmission channels are communicated.
The invention can realize the point contact of waveguide transmission by respectively arranging the vertical choke groove 66 and the annular choke groove 65 on the waveguide rotor 60, thereby improving the isolation of the waveguide switch; in addition, the baffle plate 64, the top partition plate 65 and the bottom partition plate 63 are used for forming the waveguide rotor 60, so that the weight of the waveguide switch can be reduced as much as possible, the waveguide switch is easy to machine and form, and the deformation problem caused by special procedures (such as welding) in the machining and forming process is avoided.
In the embodiment of the present invention, four waveguide ports may generate four microwave transmission channels, and preferably, as shown in fig. 4, two adjacent microwave transmission channels are perpendicular to each other, so that the baffle plate 64 separates the microwave transmission channels to form two opposite microwave channels. The baffle 64 can be designed to be a straight plate, and when the waveguide rotor 60 stops rotating, the baffle 64 radially stops in the blind hole, so that the adjacent microwave transmission channels are communicated with each other, and two paths of microwave transmission channels with specific trends are formed.
In the embodiment of the invention, the top partition plate 62 and the bottom partition plate 63 are selected to be circular straight plates with the same size, and the top partition plate and the bottom partition plate are respectively positioned at the upper end position and the lower end position of the blind hole, so that the signals can be prevented from being transmitted outwards. Through selecting the straight round plate, when the signal propagates in the blind hole, influence or interference of upper and lower baffles to the signal can be reduced as much as possible.
As a specific implementation, as shown in fig. 5, the annular choke grooves 65 are provided in three uniform groups from top to bottom, and the vertical choke grooves 66 are provided in six groups. By means of the annular choke groove 65, an electrical contact can be achieved. The isolation can be further improved by adding a plurality of vertical choke grooves 66.
In the embodiment of the present invention, a first rotation gap is provided between both side ends of the baffle plate 64 and the inner wall surface of the waveguide stator 30, a second rotation gap is provided between the circumferential surface of the top partition plate 62 and the inner wall surface of the waveguide stator 30, and a third rotation gap is provided between the circumferential surface of the bottom partition plate 63 and the inner wall surface of the waveguide stator 30; the first, second and third rotational clearances are of equal size.
While eliminating signal leakage, it is desirable to meet the requirements of low insertion loss and high isolation, the most feasible approach is to achieve electrical continuity in the gap between the waveguide stator 30 and the waveguide rotor 60. According to the conventional design method, a choke groove is added, but a planar choke groove cannot be realized on a switch rotor, the design of the embodiment mainly comprises that three arc-shaped grooves with different sizes are formed in a baffle plate 64 of a waveguide rotor 60, and a vertical groove is additionally arranged at the center of the baffle plate 64 and a waveguide to realize the electric contact of waveguide transmission, so that the resonance phenomenon of a rotating gap can be eliminated, the insertion loss is reduced, the isolation degree is improved, and the waveguide switch of the embodiment can bear the average power of hundreds of watts to thousands of watts and realize good transmission performance.
In the present embodiment, as shown in fig. 3, the waveguide rotor 60 is mounted in the blind hole, and the waveguide rotor 60 is coaxial with the waveguide stator 30. Therefore, various parameters between the two microwave channels can be ensured to be consistent, and the transmission effect of the two microwave channels is further ensured to be stable.
In one embodiment, both side ends of the baffle plate 64 are provided with vertical grooves 69, and the vertical grooves 69 extend from the top end to the bottom end of the baffle plate 64; a vertical strip groove 69 is also formed in the position, corresponding to the vertical strip groove 69 of the baffle plate 64, of the periphery of the top partition plate 62, and the vertical strip groove 69 on the periphery of the top partition plate 62 is communicated with the vertical strip groove 69 on the baffle plate 64; vertical strip-shaped grooves 69 are also formed in the positions, corresponding to the vertical strip-shaped grooves 69 of the baffle 64, of the periphery of the bottom partition plate 63, the vertical strip-shaped grooves 69 in the periphery of the bottom partition plate 63 are communicated with the vertical strip-shaped grooves 69 in the baffle 64, and signal leakage in the microwave signal transmission process is reduced through the vertical strip-shaped grooves 69.
For convenience of installation, a coaxial rotating shaft 67 is provided above the top partition plate 62 and below the bottom partition plate 63, and the rotating shaft 67 is fixedly installed on the waveguide stator 30 through a bearing 70. Meanwhile, installation spaces for the bearings 70 are also provided at the top and bottom of the waveguide stator 30, respectively. By installing the bearing 70, the rotation friction between the waveguide rotor 60 and the waveguide stator 30 can be reduced, so that the hardware configuration of the power mechanism is reduced, and the purpose of saving cost can be achieved.
In this embodiment, a connection head 61 is disposed on the rotation shaft 67 above the top partition 62, the transmission member 50 is mounted on the connection head 61, and the transmission member 50 is connected to the power mechanism 10. Specifically, the connector 61 is provided with a transverse through hole, and the connector 61 and the transmission member 50 can be fixed by installing a pin shaft in the through hole.
As a preferred transmission mode, as shown in fig. 2, a groove is formed at the top of the transmission member 50 and radially arranged along the waveguide rotor 60, the power mechanism 10 includes a rotating rod 12, and the lower end of the rotating rod 12 is located in the groove; the rotating rod 12 is adapted to move in the circumferential direction of the waveguide rotor 60 to rotate the waveguide rotor 60 along its axis by the rotation member 50. Through the design of the transmission mode, the transmission mechanism can be greatly simplified, the balance weight of the transmission mechanism is reduced, and the satellite antenna transmission mechanism is more suitable for application in the field of satellite antennas.
In one embodiment, the outer side of the rotation member 50 is provided with a limit ring 40, and the limit ring 40 is fixedly installed above the waveguide stator 30; the limiting ring 40 includes a ring body, and a protrusion is disposed on the inner side of the ring body toward the axial center, and the protrusion is located on the rotation track of the rotating member 50. The protrusion has two end faces on the rotation track, and the two end faces are perpendicular to each other. Through increasing spacing ring 40, can restrict the turned angle who rotates piece 50, and then realize baffle 64 turned angle's control, its pivoted angle is adjusted to the accuracy, can guarantee that it is located the middle part that adjacent microwave transmission leads to, and then promotes microwave transmission channel's performance.
As shown in fig. 6 and 7, the waveguide switch driving mechanism 10 according to the embodiment of the present invention includes a power mechanism 10, where the power mechanism 10 includes a vertically disposed fixed shaft 11, and a bearing is sleeved on the periphery of the top of the fixed shaft 11; a shell is coaxially arranged outside the fixed shaft 11, the shell is provided with a bottom opening, the top of the shell is provided with a bearing mounting hole, and the bearing mounting hole is used for being sleeved on an outer ring of a bearing; the inner wall of the shell is fixedly provided with a magnetic sheet 14; a coil 13 is fixedly arranged on the periphery of the fixed shaft 11, and the coil 13 is used for generating magnetic force when being electrified so as to drive the shell to rotate by taking the fixed shaft 11 as a shaft through a magnetic sheet 14; the bottom end fixed mounting of shell has closure plate 15, offers the through-hole that is used for fixed axle 11 to pass on the closure plate 15, and the lower extreme of closure plate 15 is provided with dwang 12, and the bottom of dwang 12 is used for being connected with the waveguide rotor, and dwang 12 is used for rotating along with closure plate 15 to drive the waveguide rotor and rotate.
According to the invention, the coil 13 is arranged on the fixed shaft 11, the magnetic sheet 14 is arranged on the shell, when the coil 13 is electrified, magnetic force is generated, the magnetic sheet 14 is driven by the magnetic force to further drive the shell to rotate, the shell drives the rotating rod 12 below the blocking plate 15 to move circumferentially through the blocking plate 15, so that the driving of the waveguide rotor is achieved, the waveguide switch is driven by the magnetic force, the defect that a driving motor is easy to burn can be avoided, and the stability of the waveguide switch is improved.
In this embodiment, the waveguide power mechanism further includes a transmission mechanism 20 disposed below the power mechanism 10, the transmission mechanism 20 includes a housing fixedly mounted on the waveguide stator and having an open bottom, and the bottom end of the fixed shaft 11 is mounted on the top plate of the housing. The power mechanism 10 may be provided with an installation space through the transmission mechanism 20, and the housing may have a space inside for wiring, and the wiring may be connected to an external power source through another interface of the housing. Preferably, an air connector is further installed at one side of the housing to be connected with an external device.
In the present embodiment, since it is necessary to connect the rotating rod 12 to the waveguide rotor below through the top plate of the housing, an arc-shaped hole 22 is opened in the top plate of the housing, and the arc-shaped hole 22 is used for the rotating rod 12 to pass through. The arcuate aperture 22 provides for circumferential movement of the rotating rod 12.
In addition, regarding the design of the magnetic pieces 14 and the coil 13, it is preferable that the number of the magnetic pieces 14 is two, and the two magnetic pieces 14 are symmetrically disposed. The binding surface of the magnetic sheet 14 is tightly bound with the inner wall surface of the shell to ensure the firm connection of the two.
The winding direction of the coil 13 is vertical so as to generate a magnetic force on the axis of the coil 13 toward the magnetic sheet 14 of the outer periphery.
As a specific connection mode, the top of the shell is provided with a through hole, the blocking plate 15 is provided with a threaded hole, and the blocking plate 15 is connected with the shell through a screw. The shell is connected with the blocking plate 15 through screws, so that the shell can be conveniently detached and maintained.
In one embodiment, a micro switch can be further installed at a corresponding position on the bottom of the top plate of the housing, the moving position of the rotating rod 12 is detected through the micro switch, and then when the rotating rod 12 moves to a preset position, the micro switch sends a signal to the controller to cut off the power supply for the coil 13, so that the coil 13 is prevented from being burnt out due to long-time power-on. The number of the micro switches can be two, one is arranged at the starting position, the other is arranged at the ending position, and therefore bidirectional detection can be achieved.
In addition, in another embodiment of the present invention, when the waveguide switch needs to be sealed, a sealing pad or sealant may be added to each connection portion, and as shown in fig. 8, a sealing cover 80 may be further installed outside the power mechanism 10.
In the switching process, in order to ensure the flexibility of rotation, a certain rotation gap is arranged between the waveguide stator 30 and the waveguide rotor 60, and a closed signal leakage channel is formed by the circular rotation gap. The signal leakage path can be regarded as a resonant cavity connected in parallel with the waveguide switch microwave path, when the transmission signal of the waveguide is consistent with the resonant cavity frequency, a resonance phenomenon will occur, the microwave performance of the waveguide switch at the resonance splicing point is rapidly deteriorated, and in order to realize high-quality transmission of the microwave signal in the full-wave conduction band width range, the signal leakage problem must be solved. In the design, the complexity of the parallel resonant cavity is considered, and the waveguide part of the waveguide switch is simulated and optimized by software, so that the high isolation of the electric waveguide switch is finally realized.
The waveguide stator in the embodiment adopts a standard waveguide port with a waveguide port of BJ100, the waveguide rotor is formed by a baffle plate structure with the diameter of 25.13mm, and the waveguide rotor has the characteristics of high power capacity, high isolation, low loss, low standing-wave ratio system, capability of fast switching and the like, and the working principle of the waveguide rotor is as follows: two paths of direct current +22 to +32V signals are adopted for control, electric signals are alternately applied to control the coil 13 to generate a magnetic field opposite to the external magnetic sheet 14, the reverse magnetic field drives the waveguide rotor to switch at 0-degree or 90-degree, when the position reaches the position, the microswitch touches the microswitch at the fixed position, and the microswitch disconnects a power supply loop at the moment, so that the coil is prevented from being damaged due to long-time power-on; a microswitch is added at the position to carry out closed loop on the position, thereby realizing continuous switching between two adjacent waveguide ports and also carrying out manual switching.

Claims (10)

1. The high-isolation electric waveguide switch is characterized by comprising a columnar waveguide stator (30), wherein a cylindrical blind hole is formed downwards along the top surface of the waveguide stator (30), four waveguide ports are distributed on the peripheral surface of the waveguide stator (30) at intervals, and a microwave transmission channel is formed between each blind hole and each waveguide port;
the waveguide rotor (60) comprises a baffle plate (64) arranged along the axial direction of the blind hole, the top end of the baffle plate (64) is provided with a top partition plate (62), and the bottom end of the baffle plate is provided with a bottom partition plate (63);
a plurality of vertical choke grooves (66) are formed in the periphery of the top partition plate (62) and the periphery of the bottom partition plate (63) at intervals; a plurality of annular choke grooves (65) are respectively arranged at the two side ends of the baffle plate (64);
a power mechanism (10) for driving the waveguide rotor (60) to rotate along the axis of the waveguide rotor is connected above the top clapboard (62);
the baffle (64) is used for rotating along with the waveguide rotor (60) so as to separate the blind holes and enable adjacent microwave transmission channels to be communicated.
2. The high-isolation electric waveguide switch according to claim 1, wherein a first rotating gap is provided between both side ends of the baffle (64) and an inner wall surface of the waveguide stator (30), a second rotating gap is provided between a circumferential surface of the top partition plate (62) and the inner wall surface of the waveguide stator (30), and a third rotating gap is provided between a circumferential surface of the bottom partition plate (63) and the inner wall surface of the waveguide stator (30);
the first rotating gap, the second rotating gap and the third rotating gap are equal in size.
3. A high isolation electric waveguide switch according to claim 2, wherein a waveguide rotor (60) is mounted in said blind hole, said waveguide rotor (60) being coaxial with said waveguide stator (30).
4. A high isolation electric waveguide switch according to claim 2 or 3, wherein four waveguide ports are uniformly distributed on the circumference of the waveguide stator (30).
5. The high-isolation electric waveguide switch according to claim 4, wherein vertical grooves (69) are formed in both side ends of the baffle plate (64), and the vertical grooves (69) extend from the top end to the bottom end of the baffle plate (64);
a vertical strip-shaped groove (69) is also formed in the position, corresponding to the vertical strip-shaped groove (69) of the baffle plate (64), of the periphery of the top partition plate (62), and the vertical strip-shaped groove (69) in the periphery of the top partition plate (62) is communicated with the vertical strip-shaped groove (69) in the baffle plate (64);
the periphery of the bottom clapboard (63) is provided with a vertical strip-shaped groove (69) at a position corresponding to the vertical strip-shaped groove (69) of the baffle plate (64), and the vertical strip-shaped groove (69) at the periphery of the bottom clapboard (63) is communicated with the vertical strip-shaped groove (69) on the baffle plate (64).
6. A high isolation electric waveguide switch according to claim 1, 2, 3 or 5, wherein a coaxial rotating shaft (67) is provided above the top partition (62) and below the bottom partition (63), and the rotating shaft (67) is fixedly mounted on the waveguide stator (30) through a bearing (70).
7. The high-isolation electric waveguide switch according to claim 6, wherein a connector (61) is disposed on the rotating shaft (67) above the top partition plate (62), a transmission member (50) is mounted on the connector (61), and the transmission member (50) is connected with the power mechanism (10).
8. The high-isolation electric waveguide switch according to claim 7, wherein a groove is formed at the top of the transmission member (50) and arranged along the radial direction of the waveguide rotor (60), the power mechanism (10) comprises a rotating rod (12), and the lower end of the rotating rod (12) is located in the groove;
dwang (12) are used for following the circumferential motion of waveguide rotor (60), in order to pass through it drives to rotate piece (50) waveguide rotor (60) rotates along its axis.
9. The high-isolation electric waveguide switch according to claim 7 or 8, wherein a limiting ring (40) is disposed on the outer side of the rotating member (50), and the limiting ring (40) is fixedly installed above the waveguide stator (30);
the limiting ring (40) comprises a ring body, wherein a bulge is arranged in the ring body in the axial center direction, and the bulge is positioned on the rotating track of the rotating piece (50).
10. A high isolation electrical waveguide switch as in claim 9 wherein said projection has two end faces on said locus of rotation, and wherein said end faces are perpendicular to each other.
CN202111528386.XA 2021-12-14 2021-12-14 High-isolation electric waveguide switch Active CN114335928B (en)

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CN114335928B CN114335928B (en) 2023-09-15

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Cited By (1)

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CN117895276A (en) * 2024-03-13 2024-04-16 江苏汉之顶科技有限公司 Microwave device capable of resisting heat

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CN212277351U (en) * 2020-07-10 2021-01-01 绵阳安合光电科技有限公司 Fine positioning device for switching waveguide ports of waveguide switch
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CN109728383A (en) * 2018-11-28 2019-05-07 中国航天时代电子有限公司 A kind of novel sequence switching waveguide switch
CN212277351U (en) * 2020-07-10 2021-01-01 绵阳安合光电科技有限公司 Fine positioning device for switching waveguide ports of waveguide switch
CN214753447U (en) * 2021-06-12 2021-11-16 绵阳安合光电科技有限公司 Switching mechanism for microwave waveguide switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117895276A (en) * 2024-03-13 2024-04-16 江苏汉之顶科技有限公司 Microwave device capable of resisting heat
CN117895276B (en) * 2024-03-13 2024-05-28 江苏汉之顶科技有限公司 Microwave device capable of resisting heat

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