CN114335928B - High-isolation electric waveguide switch - Google Patents
High-isolation electric waveguide switch Download PDFInfo
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- CN114335928B CN114335928B CN202111528386.XA CN202111528386A CN114335928B CN 114335928 B CN114335928 B CN 114335928B CN 202111528386 A CN202111528386 A CN 202111528386A CN 114335928 B CN114335928 B CN 114335928B
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Abstract
The invention discloses a high-isolation electric waveguide switch, which comprises a columnar waveguide stator, wherein cylindrical blind holes are 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, wherein a top baffle plate is arranged at the top end of the baffle plate, and a bottom baffle plate is arranged at the bottom end of the baffle plate; a plurality of vertical choke grooves are arranged on the periphery of the top partition plate and the outer Zhou Jun of the bottom partition plate at intervals; a plurality of annular choke grooves are respectively arranged at the two side ends of the baffle; a power mechanism for driving the waveguide rotor to rotate along the axis of the waveguide rotor is connected above the top partition plate; according to the invention, 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.
Description
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 assembly, is mainly used for selecting a microwave signal transmission path, switching on and off of waveguide transmission energy or switching between channels, is widely used as a standby change-over switch of a radar and a communication transmitter for high-power transmission, is widely applied to microwave transmitting equipment and microwave measurement and control engineering of a satellite communication system, is generally 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 the satellite signal transmitting system.
With the development of microwave technology, the working frequency of microwave equipment such as radar is wider and wider, the power is larger and the sensitivity requirement is higher and higher, and the requirements on the frequency band, the power capacity and the isolation of the waveguide switch are also put forward. Therefore, the research of waveguide switches with wide frequency band, high power, high isolation and small insertion loss is developed, and the waveguide switch has important significance for 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 high-isolation application scenes.
The invention adopts the following technical scheme: the high-isolation electric waveguide switch comprises a columnar waveguide stator, wherein cylindrical blind holes are 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, wherein a top baffle plate is arranged at the top end of the baffle plate, and a bottom baffle plate is arranged at the bottom end of the baffle plate;
a plurality of vertical choke grooves are arranged on the periphery of the top partition plate and the outer Zhou Jun of the bottom partition plate at intervals; a plurality of annular choke grooves are respectively arranged at the two side ends of the baffle;
a power mechanism for driving the waveguide rotor to rotate along the axis of the waveguide rotor is connected above the top partition plate;
the baffle is used for rotating along with the waveguide rotor, so that the blind holes are separated, and adjacent microwave transmission channels are communicated.
Further, a first rotary gap is formed between the two side ends of the baffle plate and the inner wall surface of the waveguide stator, a second rotary gap is formed between the peripheral surface of the top baffle plate and the inner wall surface of the waveguide stator, and a third rotary gap is formed between the peripheral surface of the bottom baffle plate and the inner wall surface of the waveguide stator;
the first, second and third rotary gaps are equal in gap size.
Further, a waveguide rotor is arranged in the blind hole, and the waveguide rotor and the waveguide stator are coaxial.
Further, the four waveguide ports are uniformly distributed on the circumferential surface of the waveguide stator.
Further, vertical strip-shaped grooves are formed in two side ends of the baffle, and extend from the top end to the bottom end of the baffle;
the periphery of the top baffle plate is also provided with a vertical strip-shaped groove at a position corresponding to the vertical strip-shaped groove of the baffle plate, and the vertical strip-shaped groove on the periphery of the top baffle plate is communicated with the vertical strip-shaped groove on the baffle plate;
the vertical strip-shaped groove is also formed in the position, corresponding to the vertical strip-shaped groove of the baffle, of the periphery of the bottom baffle, and the vertical strip-shaped groove in the periphery of the bottom baffle is communicated with the vertical strip-shaped groove in the baffle.
Further, coaxial rotating shafts are arranged above the top partition plate and below the bottom partition plate, and the rotating shafts are fixedly arranged on the waveguide stator through bearings.
Further, a connector is arranged on the rotating shaft above the top partition plate, a transmission piece is arranged on the connector, and the transmission piece is connected with the power mechanism.
Further, a groove which is arranged along the radial direction of the waveguide rotor is formed in the top of the transmission piece, the power mechanism comprises a rotating rod, and the lower end of the rotating rod is positioned in the groove;
the rotating rod is used for moving along the circumferential direction of the waveguide rotor so as to drive the waveguide rotor to rotate along the axis of the waveguide rotor through the transmission piece.
Further, a limiting ring is arranged on the outer side of the transmission piece and fixedly arranged above the waveguide stator;
the limiting ring comprises a ring body, a bulge is arranged on the inner side of the ring body towards the axis direction, and the bulge is positioned on the rotating track of the transmission piece.
Further, the protrusion has two end surfaces on the rotation locus, and the two end surfaces are perpendicular to each other.
The beneficial effects of the invention are as follows: according to the invention, 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 structure of the waveguide rotor is formed by using the baffle plate, the top baffle plate and the bottom baffle 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 working procedures (such as welding) in the machining and forming process is avoided.
Drawings
FIG. 1 is a schematic diagram of a high isolation electric waveguide switch according to an embodiment of the present invention;
FIG. 2 is a schematic view of a stop collar according to an embodiment of the present invention;
FIG. 3 is a longitudinal cross-sectional view through the waveguide rotor and waveguide stator axes in an embodiment of the invention;
FIG. 4 is a transverse cross-sectional view of an embodiment of the invention with the waveguide rotor and waveguide stator cross-sections in cross-section;
FIG. 5 is a schematic diagram of a waveguide rotor according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the power mechanism and the transmission mechanism according to the 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. a rotating lever; 13. a coil; 14. a magnetic sheet; 15. a closure 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 separator; 63. a bottom partition; 64. a baffle; 65. an annular choke groove; 66. vertical choke grooves; 67. a rotating shaft; 68. a process tank; 69. a vertical bar-shaped groove;
70. a bearing; 80. and (5) sealing the cover.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
The embodiment of the invention discloses a high-isolation electric waveguide switch, which comprises a columnar waveguide stator 30, wherein cylindrical blind holes are 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 axially arranged along the blind hole, wherein a top baffle plate 62 is arranged at the top end of the baffle plate 64, and a bottom baffle plate 63 is arranged at the bottom end of the baffle plate; a plurality of vertical choke grooves 66 are arranged on the periphery of the top partition plate 62 and the outer side Zhou Jun 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 thereof is connected above the top partition plate 62; the baffle 64 is configured to rotate with the waveguide rotor 60, thereby separating the blind holes to allow communication between adjacent microwave transmission channels.
According to the invention, the vertical choke groove 66 and the annular choke groove 65 are respectively arranged on the waveguide rotor 60, so that the point contact of waveguide transmission can be realized, and the isolation of the waveguide switch is further improved; in addition, the structure of the waveguide rotor 60 is formed by using the baffle plate 64, the top baffle plate 65 and the bottom baffle plate 63, 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 working procedures (such as welding) in the machining and forming process is avoided.
In the embodiment of the present invention, four microwave transmission channels may be generated by four waveguide ports, preferably, as shown in fig. 4, two adjacent microwave transmission channels are perpendicular to each other, so that the baffle 64 separates the microwave transmission channels to form two opposite microwave channels. The baffle plate 64 may be designed as a straight plate, and when the waveguide rotor 60 stops rotating, the baffle plate 64 stops radially in the blind hole, so that communication between adjacent microwave transmission channels is realized, and two microwave transmission channels with specific directions are formed.
In the embodiment of the present invention, the top partition plate 62 and the bottom partition plate 63 are selected to be round and straight plates with the same size, and are respectively located at the upper end and the lower end of the blind hole, so that the signal can be prevented from being transmitted outwards. By selecting the round straight plate, the influence or interference of the upper and lower partition plates on the signal can be reduced as much as possible when the signal propagates in the blind hole.
As a specific implementation, as shown in fig. 5, the annular choke grooves 65 are uniformly arranged in three groups from top to bottom, and the vertical choke grooves 66 are arranged in six groups. Electrical contact may be achieved through the annular choke groove 65. And a plurality of vertical choke grooves 66 are added, so that the isolation degree can be further improved.
In the embodiment of the present invention, a first rotation gap is formed between the two side ends of the baffle plate 64 and the inner wall surface of the waveguide stator 30, a second rotation gap is formed between the peripheral surface of the top partition plate 62 and the inner wall surface of the waveguide stator 30, and a third rotation gap is formed between the peripheral surface of the bottom partition plate 63 and the inner wall surface of the waveguide stator 30; the first, second and third rotary gaps are equal in gap size.
While eliminating signal leakage, the most practical way to meet the requirements of small insertion loss and high isolation is to achieve electrical continuity at the gap between waveguide stator 30 and waveguide rotor 60. According to the conventional design method, the choke groove is added, but the planar choke groove cannot be realized on the switch rotor, the design of the embodiment mainly comprises the steps of forming three circular arc grooves with different sizes on the baffle plate 64 of the waveguide rotor 60, and adding a vertical groove at the center of the baffle plate 64 and the 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 is improved, and the waveguide switch of the embodiment can bear hundreds of watts to tens of millions of average power and realize good transmission performance.
In this embodiment, as shown in fig. 3, a waveguide rotor 60 is mounted in the blind hole, and the waveguide rotor 60 is coaxial with the waveguide stator 30. Therefore, the consistency of various parameters between the two microwave channels can be ensured, and the stable transmission effect of the two microwave channels is further ensured.
In one embodiment, both lateral ends of the baffle plate 64 are provided with vertical bar-shaped grooves 69, and the vertical bar-shaped grooves 69 extend from the top end to the bottom end of the baffle plate 64; the outer periphery of the top partition plate 62 is also 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 on the outer periphery of the top partition plate 62 is communicated with the vertical strip-shaped groove 69 on the baffle plate 64; the 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 bottom baffle plate 63, and the vertical strip groove 69 on the periphery of the bottom baffle plate 63 is communicated with the vertical strip groove 69 on the baffle plate 64, so that signal leakage in the microwave signal transmission process is reduced through the vertical strip groove 69.
For ease of installation, coaxial shafts 67 are provided above the top partition 62 and below the bottom partition 63, the shafts 67 being fixedly mounted on the waveguide stator 30 by bearings 70. Meanwhile, mounting spaces for bearings 70 are also provided at the top and bottom of the waveguide stator 30, respectively. By installing the bearing 70, the rotating friction force between the waveguide rotor 60 and the waveguide stator 30 can be reduced, so that the hardware configuration of the power mechanism can be reduced, and the purpose of saving cost can be achieved.
In this embodiment, a connector 61 is provided on a rotating shaft 67 above a top partition plate 62, and a transmission member 50 is mounted on the connector 61, and the transmission member 50 is connected with the power mechanism 10. Specifically, a transverse through hole is formed in the connector 61, and then the fixing of the connector 61 and the transmission member 50 can be achieved by installing a pin in the through hole.
As a preferred transmission mode, as shown in fig. 2, a groove radially arranged along the waveguide rotor 60 is formed at the top of the transmission member 50, the power mechanism 10 comprises a rotating rod 12, and the lower end of the rotating rod 12 is positioned in the groove; the rotating rod 12 is used for moving along the circumferential direction of the waveguide rotor 60 to rotate the waveguide rotor 60 along the axis thereof by the transmission member 50. Through the design of the transmission mode, the transmission mechanism can be greatly simplified, the weight of the transmission mechanism is reduced, and the transmission mechanism is more suitable for the application in the field of satellite antennas.
In one embodiment, the outer side of the transmission member 50 is provided with a limiting ring 40, 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 on the inner side of the ring body towards the axial center direction, and the bulge is positioned on the rotating track of the transmission piece 50. The protrusion has two end surfaces on the rotation locus, and the two end surfaces are mutually perpendicular. By adding the limiting ring 40, the rotation angle of the transmission piece 50 can be limited, the control of the rotation angle of the baffle plate 64 is further realized, the rotation angle of the baffle plate is accurately adjusted, the baffle plate can be ensured to be positioned in the middle of the adjacent microwave transmission channel, and the performance of the microwave transmission channel is further improved.
The waveguide switch driving mechanism 10 of the embodiment of the invention, as shown in fig. 6 and 7, comprises a power mechanism 10, wherein the power mechanism 10 comprises a fixed shaft 11 which is vertically arranged, and a bearing is sleeved on the periphery of the top of the fixed shaft 11; the outer part of the fixed shaft 11 is coaxially provided with a shell, the shell is provided with an opening at the bottom, the top of the shell is provided with a bearing mounting hole, and the bearing mounting hole is used for being sleeved on the outer ring of the 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 an axis through a magnetic sheet 14; the bottom end of the shell is fixedly provided with a blocking plate 15, a through hole for the fixed shaft 11 to pass through is formed in the blocking plate 15, the lower end of the blocking plate 15 is provided with a rotating rod 12, the bottom end of the rotating rod 12 is used for being connected with the waveguide rotor, and the rotating rod 12 is used for rotating along with the blocking plate 15 so as to drive the waveguide rotor to 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 force drives the magnetic sheet 14 to 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 drive of the waveguide rotor is achieved, the defect that a drive motor is easy to burn can be avoided by driving the waveguide switch through magnetic force, and the stability of the waveguide switch is improved.
In this embodiment, the power mechanism 10 further comprises a transmission mechanism 20 arranged below the power mechanism 20, wherein the transmission mechanism 20 comprises a shell fixedly mounted on the waveguide stator and having an opening at the bottom, and the bottom end of the fixed shaft 11 is mounted on the top plate of the shell. The power mechanism 10 can be provided with a mounting space through the transmission mechanism 20, and the interior of the housing has a space which can be used for routing wires which are connected to an external power source through a further interface of the housing. Preferably, an air connector is further installed at one side of the housing for connection with external equipment.
In this embodiment, since the rotating rod 12 needs to be connected to the waveguide rotor below through the top plate of the housing, an arc hole 22 is formed in the top plate of the housing, and the arc hole 22 is used for the rotating rod 12 to pass through. The arcuate aperture 22 allows for circumferential movement of the rotatable lever 12.
In addition, regarding the design of the magnetic sheet 14 and the coil 13, it is preferable that the number of the magnetic sheets 14 is two, and the two magnetic sheets 14 are symmetrically arranged. The bonding surface of the magnetic sheet 14 is tightly bonded with the inner wall surface of the outer shell to ensure 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, the magnetic sheet 14 facing the outer periphery.
As a specific connection mode, the top of the shell is provided with a perforation, the closure plate 15 is provided with a threaded hole, and the closure plate 15 is connected with the shell through a screw. The shell is connected with the blocking plate 15 through screws, so that the disassembly and the maintenance can be convenient.
In one embodiment, a micro switch can be further installed at a corresponding position of the bottom of the top plate of the shell, the movement 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, power supply for the coil 13 is disconnected, and long-time power-on burning of the coil 13 is avoided. The number of the micro switches can be two, one is arranged at the starting position, and the other is arranged at the ending position, so that bidirectional detection can be realized.
In addition, in another embodiment of the present invention, when the waveguide switch needs to be sealed, a sealing gasket or a sealant may be added to each connection portion, as shown in fig. 8, and a sealing cover 80 may be further added to the outside of the power mechanism 10.
In this embodiment, in order to ensure flexibility of rotation during switching, a certain rotation gap is provided between the waveguide stator 30 and the waveguide rotor 60, and a closed signal leakage path is formed by the circular rotation gap. The signal leakage channel can be regarded as a resonant cavity connected in parallel with the microwave channel of the waveguide switch, when the transmission signal of the waveguide is consistent with the frequency of the resonant cavity, a resonance phenomenon occurs, the microwave performance of the waveguide switch at the resonance splicing point is rapidly deteriorated, and the problem of signal leakage must be solved in order to realize high-quality transmission of the microwave signal in a wide range of the full-wave conduction band. The complexity of the parallel resonant cavity is considered in the design, the simulation optimization is carried out on the waveguide part of the waveguide switch by means of software, and finally, the high isolation of the electric waveguide switch is realized.
The waveguide stator in this embodiment adopts the standard waveguide port with the waveguide port being BJ100, and the waveguide rotor is composed of a baffle structure with the diameter of 25.13mm, and has the characteristics of high power capacity, high isolation, low loss, low standing wave ratio system, rapid switching and the like, and the working principle is as follows: two paths of direct current +22- +32V signals are adopted for control, an electric signal is alternately applied to control the coil 13, so that a magnetic field opposite to the external magnetic sheet 14 is generated, the waveguide rotor is driven by the opposite magnetic field to switch at 0 degrees or 90 degrees, when the position reaches, the micro switch at the fixed position is touched, the micro switch turns off a power supply loop at the moment, and the coil is prevented from being damaged due to long-time power-up; the micro switch 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 (5)
1. The high-isolation electric waveguide switch is characterized by comprising a columnar waveguide stator (30), wherein cylindrical blind holes are 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) axially arranged along the blind hole, wherein a top baffle plate (62) is arranged at the top end of the baffle plate (64), and a bottom baffle plate (63) is arranged at the bottom end of the baffle plate;
a plurality of vertical choke grooves (66) are arranged on the periphery of the top partition plate (62) and the outer side Zhou Jun 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 (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 partition plate (62);
wherein the baffle (64) is used for rotating along with the waveguide rotor (60) so as to separate the blind holes, so that adjacent microwave transmission channels are communicated;
both side ends of the baffle plate (64) are provided with vertical strip-shaped grooves (69), and the vertical strip-shaped grooves (69) extend from the top end to the bottom end of the baffle plate (64);
the periphery of the top partition plate (62) is provided with a vertical strip-shaped groove (69) corresponding to the vertical strip-shaped groove (69) of the baffle plate (64), and the vertical strip-shaped groove (69) on the periphery of the top partition plate (62) is communicated with the vertical strip-shaped groove (69) on the baffle plate (64);
the periphery of the bottom partition plate (63) is provided with a vertical strip-shaped groove (69) corresponding to the vertical strip-shaped groove (69) of the baffle plate (64), and the vertical strip-shaped groove (69) on the periphery of the bottom partition plate (63) is communicated with the vertical strip-shaped groove (69) on the baffle plate (64);
a waveguide rotor (60) is arranged in the blind hole, and the waveguide rotor (60) and the waveguide stator (30) are coaxial;
a connector (61) is arranged on a rotating shaft (67) above the top partition plate (62), a transmission piece (50) is arranged on the connector (61), and the transmission piece (50) is connected with the power mechanism (10);
the top of the transmission piece (50) is provided with a groove which is radially arranged along the waveguide rotor (60), the power mechanism (10) comprises a rotating rod (12), and the lower end of the rotating rod (12) is positioned in the groove;
the rotating rod (12) is used for moving along the circumferential direction of the waveguide rotor (60) so as to drive the waveguide rotor (60) to rotate along the axis of the waveguide rotor through the transmission piece (50);
a limiting ring (40) is arranged on the outer side of the transmission piece (50), and the limiting ring (40) is fixedly arranged above the waveguide stator (30);
the limiting ring (40) comprises a ring body, a protrusion is arranged on the inner side of the ring body in the axial center direction, and the protrusion is positioned on the rotating track of the transmission piece (50);
the high-isolation electric waveguide switch further comprises a transmission mechanism (20) arranged below the power mechanism (10), the transmission mechanism (20) comprises a shell which is fixedly arranged on the waveguide stator (30) and is provided with an opening at the bottom, an arc-shaped hole (22) is formed in a top plate of the shell, and the arc-shaped hole (22) can be used for enabling the rotating rod (12) to move circumferentially.
2. The high isolation electric waveguide switch according to claim 1, wherein a first rotation gap is provided between both side ends of the baffle plate (64) and an inner wall surface of the waveguide stator (30), a second rotation gap is provided between a peripheral surface of the top baffle plate (62) and the inner wall surface of the waveguide stator (30), and a third rotation gap is provided between a peripheral surface of the bottom baffle plate (63) and the inner wall surface of the waveguide stator (30);
the first rotary gap, the second rotary gap and the third rotary gap are equal in gap size.
3. A high isolation electric waveguide switch according to claim 1 or 2, characterized in that four of said waveguide ports are uniformly distributed on the circumference of said waveguide stator (30).
4. A high isolation electric waveguide switch according to claim 1 or 2, characterized in that a coaxial shaft (67) is arranged above the top partition (62) and below the bottom partition (63), said shaft (67) being fixedly mounted on the waveguide stator (30) by means of bearings (70).
5. The high isolation electro-dynamic waveguide switch of claim 1, wherein said protrusion has two end surfaces on said rotational path, and wherein said two end surfaces are perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111528386.XA CN114335928B (en) | 2021-12-14 | 2021-12-14 | High-isolation electric waveguide switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111528386.XA CN114335928B (en) | 2021-12-14 | 2021-12-14 | High-isolation electric waveguide switch |
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| CN114335928A CN114335928A (en) | 2022-04-12 |
| CN114335928B true CN114335928B (en) | 2023-09-15 |
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| 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 |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617538A (en) * | 1983-02-07 | 1986-10-14 | Nelson Victor H | Microwave waveguide switch assembly |
| US6218912B1 (en) * | 1998-05-16 | 2001-04-17 | Robert Bosch Gmbh | Microwave switch with grooves for isolation of the passages |
| CN202282432U (en) * | 2011-10-31 | 2012-06-20 | 西安空间无线电技术研究所 | Waveguide switch |
| CN103066757A (en) * | 2012-11-20 | 2013-04-24 | 航天时代电子技术股份有限公司 | Rapid-switching high-frequency waveguide switch |
| CN104393373A (en) * | 2014-11-28 | 2015-03-04 | 中国航天时代电子公司 | Waveguide switch with separating-integrating guide rotor |
| CN104617358A (en) * | 2014-12-30 | 2015-05-13 | 中国航天时代电子公司 | Guided rotor with leaf-shaped guided channel |
| CN105514533A (en) * | 2015-12-18 | 2016-04-20 | 中国电子科技集团公司第四十一研究所 | C-type waveguide switch with alignment function |
| CN108321548A (en) * | 2018-03-29 | 2018-07-24 | 中国电子科技集团公司第五十四研究所 | Ku frequency ranges miniaturization polarization rotating mechanism component |
| 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 |
-
2021
- 2021-12-14 CN CN202111528386.XA patent/CN114335928B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617538A (en) * | 1983-02-07 | 1986-10-14 | Nelson Victor H | Microwave waveguide switch assembly |
| US6218912B1 (en) * | 1998-05-16 | 2001-04-17 | Robert Bosch Gmbh | Microwave switch with grooves for isolation of the passages |
| CN202282432U (en) * | 2011-10-31 | 2012-06-20 | 西安空间无线电技术研究所 | Waveguide switch |
| CN103066757A (en) * | 2012-11-20 | 2013-04-24 | 航天时代电子技术股份有限公司 | Rapid-switching high-frequency waveguide switch |
| CN104393373A (en) * | 2014-11-28 | 2015-03-04 | 中国航天时代电子公司 | Waveguide switch with separating-integrating guide rotor |
| CN104617358A (en) * | 2014-12-30 | 2015-05-13 | 中国航天时代电子公司 | Guided rotor with leaf-shaped guided channel |
| CN105514533A (en) * | 2015-12-18 | 2016-04-20 | 中国电子科技集团公司第四十一研究所 | C-type waveguide switch with alignment function |
| CN108321548A (en) * | 2018-03-29 | 2018-07-24 | 中国电子科技集团公司第五十四研究所 | Ku frequency ranges miniaturization polarization rotating mechanism component |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN114335928A (en) | 2022-04-12 |
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