CN112670688B - Annular isolation assembly - Google Patents
Annular isolation assembly Download PDFInfo
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- CN112670688B CN112670688B CN202011299782.5A CN202011299782A CN112670688B CN 112670688 B CN112670688 B CN 112670688B CN 202011299782 A CN202011299782 A CN 202011299782A CN 112670688 B CN112670688 B CN 112670688B
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Abstract
The invention discloses a circular isolation assembly, wherein an upper cavity and a lower cavity comprise a first power junction and a second power junction; a first ferrite gyromagnetic sheet nested with a first polytetrafluoroethylene medium, a central conductor connecting the first power junction and the second power junction of the lower cavity and a second ferrite gyromagnetic sheet nested with a second polytetrafluoroethylene medium are sequentially placed in the first power junction of the lower cavity along the first direction, and a third ferrite gyromagnetic sheet nested with a third polytetrafluoroethylene medium, the central conductor and a fourth ferrite gyromagnetic sheet nested with a fourth polytetrafluoroethylene medium are sequentially placed in the second power junction of the lower cavity along the first direction; the upper cavity compresses the lower cavity in a screw fastening mode; the first permanent magnet is arranged in the first power junction of the upper cavity, the second permanent magnet is arranged in the second power junction of the upper cavity, and the cover plate fixes the upper cavity in a screw fastening mode.
Description
Technical Field
The invention relates to the field of isolation assemblies, in particular to a circular isolation assembly.
Background
The traditional annular isolation assembly comprises a lower cavity, a polytetrafluoroethylene medium, an upper cavity, a permanent magnet A, a permanent magnet B, a cover plate, a ferrite rotating magnetic sheet and a central conductor. The ferrite gyromagnetic sheet is generally a high-power microwave ferrite sheet so as to transmit a high-power microwave signal from the transmitting module to the antenna module, and the structure does not consider that when the external high-power electromagnetic interference occurs, such as electromagnetic pulse generated by electromagnetic bomb explosion, the high-power electromagnetic pulse can also enter a receiving channel through the circulator, so that a receiver component is burnt.
Disclosure of Invention
The invention aims to provide a circular isolation assembly, which solves the problems of poor anti-electromagnetic pulse capability and high-power electromagnetic interference of a receiving and transmitting assembly of the conventional high-power microwave weapon system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a circular isolation assembly, comprising: an upper cavity, a lower cavity, a cover plate and a central conductor, wherein,
the upper cavity and the lower cavity comprise a first power junction and a second power junction;
the first power junction is a high-power junction, and the second power junction is a low-power junction;
the first power junction of the lower cavity comprises a first ferrite gyromagnetic sheet nested with a first polytetrafluoroethylene medium, a central conductor connecting the first power junction and the second power junction of the lower cavity and a second ferrite gyromagnetic sheet nested with a second polytetrafluoroethylene medium, which are sequentially arranged along a first direction from bottom to top, and the second power junction of the lower cavity comprises a fourth ferrite gyromagnetic sheet nested with a fourth polytetrafluoroethylene medium, a central conductor connecting the first power junction and the second power junction of the lower cavity and a third ferrite gyromagnetic sheet nested with a third polytetrafluoroethylene medium, which are sequentially arranged along the first direction;
the upper cavity compresses the lower cavity in a screw fastening mode;
the first power junction of the upper cavity comprises: a first permanent magnet, the second power junction of the upper cavity comprising: a second permanent magnet;
the first permanent magnet is arranged in the first power junction of the upper cavity, the second permanent magnet is arranged in the second power junction of the upper cavity, and the cover plate fixes the upper cavity in a screw fastening mode.
In a specific embodiment, the center of the first permanent magnet coincides with the center of the first ferrite gyromagnetic sheet and the center of the second ferrite gyromagnetic sheet, and the center of the second permanent magnet coincides with the center of the third ferrite gyromagnetic sheet and the center of the fourth ferrite gyromagnetic sheet.
In a specific embodiment, the assembly further comprises a microstrip patch, and the port of the center conductor is connected with the microstrip patch by pressure welding.
In a specific embodiment, the lower cavity and the cover plate are made of magnetic conductive metal materials; the upper cavity is made of a non-magnetic conductive metal material, the first ferrite gyromagnetic sheet and the second ferrite gyromagnetic sheet are high-power microwave ferrite sheets, the power capacity is kilowatt level, the third ferrite gyromagnetic sheet and the fourth ferrite gyromagnetic sheet are low-power microwave ferrite sheets, and the power capacity is ten watt level.
In a specific embodiment, the first polytetrafluoroethylene medium, the second polytetrafluoroethylene medium, the third polytetrafluoroethylene medium and the fourth polytetrafluoroethylene medium are all insulating and non-magnetic conductive medium materials.
In a specific embodiment, the first permanent magnet and the second permanent magnet both use a general permanent magnet material.
The invention has the following beneficial effects:
the invention provides the anti-electromagnetic pulse capability and the anti-high-power electromagnetic pulse interference capability for the receiving and transmitting component of the high-power microwave weapon system under the condition of not bringing any performance loss to the system, thereby improving the battlefield viability of the weapon system.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 shows a schematic structural diagram of a ring isolation assembly according to an embodiment of the present invention.
FIG. 2 is a schematic diagram illustrating the operation of a ring isolation assembly according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
One embodiment of the present invention provides a ring isolation assembly, as shown in fig. 1, comprising: an upper cavity 7, a lower cavity 1, a cover plate 9 and a central conductor 4,
wherein the content of the first and second substances,
the upper cavity and the lower cavity comprise a first power junction and a second power junction;
the first power junction is a high-power junction, and the second power junction is a low-power junction;
the first power junction of the lower cavity comprises a first ferrite gyromagnetic sheet 3 nested with a first polytetrafluoroethylene medium 2, a central conductor connecting the first power junction and the second power junction of the lower cavity and a second ferrite gyromagnetic sheet 5 nested with a second polytetrafluoroethylene medium 6, which are sequentially arranged along a first direction, namely from bottom to top, and the second power junction of the lower cavity comprises a fourth ferrite gyromagnetic sheet 13 nested with a fourth polytetrafluoroethylene medium 14, a central conductor connecting the first power junction and the second power junction of the lower cavity and a third ferrite gyromagnetic sheet 12 nested with a third polytetrafluoroethylene medium 11, which are sequentially arranged along the first direction;
the upper cavity compresses the lower cavity in a screw fastening mode;
the first power junction of the upper cavity comprises: a first permanent magnet 8, the second power junction of the upper cavity comprising: a second permanent magnet 10;
the first permanent magnet is arranged in the first power junction of the upper cavity, the second permanent magnet is arranged in the second power junction of the upper cavity, and the cover plate fixes the upper cavity in a screw fastening mode.
In a specific embodiment, the center of the first permanent magnet coincides with the center of the first ferrite gyromagnetic sheet and the center of the second ferrite gyromagnetic sheet, and the center of the second permanent magnet coincides with the center of the third ferrite gyromagnetic sheet and the center of the fourth ferrite gyromagnetic sheet.
In a specific embodiment, the assembly further comprises a microstrip patch, and the port of the center conductor is connected with the microstrip patch by pressure welding.
In a specific embodiment, the lower cavity and the cover plate are made of magnetic conductive metal materials; the upper cavity is made of a non-magnetic conductive metal material, the first ferrite gyromagnetic sheet and the second ferrite gyromagnetic sheet are high-power microwave ferrite sheets, the power capacity is kilowatt level, the third ferrite gyromagnetic sheet and the fourth ferrite gyromagnetic sheet are low-power microwave ferrite sheets, and the power capacity is ten watt level.
In a specific embodiment, the first polytetrafluoroethylene medium, the second polytetrafluoroethylene medium, the third polytetrafluoroethylene medium and the fourth polytetrafluoroethylene medium are all insulating and non-magnetic conductive medium materials.
In a specific embodiment, the first permanent magnet and the second permanent magnet both use a general permanent magnet material.
In a specific embodiment, as shown in fig. 2, when the transceiver module of the high power microwave weapon system is operating normally, four ports of the central conductor of the ring isolation module are respectively connected to the antenna, the load, the transmitting branch and the receiving branch, and the high power microwave signal generated by the transmitting branch is transmitted to the antenna through the first power junction, i.e. the high power junction, for effective transmission; the signal received by the antenna passes through the high-power junction and then passes through the second power junction, namely the low-power junction to enter the receiving branch, and because the normally received signal is a low-power target echo signal, the loss of the signal passing through the high-power junction and the low-power junction is in a normal range. When high-power electromagnetic pulse occurs, the pulse electromagnetic wave passes through the antenna and the high-power junction and reaches the low-power junction, the electromagnetic pulse is greatly attenuated in the low-power junction, the amplitude of a pulse signal reaching a receiver is greatly reduced, the amplitude limiting function of the receiver on the power is realized, and a microwave element for processing the small signal in a receiving branch is protected. The lower cavity and the cover plate form a part of a static magnetic circuit, and the first permanent magnet 8 and the second permanent magnet 10 provide a static magnetic field for the normal work of the annular isolation component.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (6)
1. A circumferential isolation assembly, comprising: an upper cavity, a lower cavity, a cover plate and a central conductor, wherein,
the upper cavity and the lower cavity comprise a first power junction and a second power junction;
the first power junction of the lower cavity comprises: along the first direction place in proper order the first ferrite spin magnetic sheet of the first polytetrafluoroethylene medium of nestification, with the central conductor that the first power of lower cavity knot and second power knot connect, the second ferrite spin magnetic sheet of the second polytetrafluoroethylene medium of nestification, the second power of lower cavity knot includes: a fourth ferrite gyromagnetic sheet nested with a fourth polytetrafluoroethylene medium, a central conductor connected with the first power junction and the second power junction of the lower cavity and a third ferrite gyromagnetic sheet nested with a third polytetrafluoroethylene medium are sequentially arranged along the first direction;
the upper cavity compresses the lower cavity in a screw fastening mode;
the first power junction of the upper cavity comprises: a first permanent magnet, the second power junction of the upper cavity comprising: a second permanent magnet;
the first permanent magnet is arranged in the first power junction of the upper cavity, the second permanent magnet is arranged in the second power junction of the upper cavity, and the cover plate is fixed on the upper cavity in a screw fastening mode;
the first ferrite rotating magnetic sheet and the second ferrite rotating magnetic sheet are high-power microwave ferrite sheets, the power capacity is kilowatt level, the third ferrite rotating magnetic sheet and the fourth ferrite rotating magnetic sheet are low-power microwave ferrite sheets, and the power capacity is ten watt level.
2. The assembly of claim 1, wherein a center of the first permanent magnet coincides with a center of the first ferrite gyromagnetic sheet and the second ferrite gyromagnetic sheet, and a center of the second permanent magnet coincides with a center of the third ferrite gyromagnetic sheet and the fourth ferrite gyromagnetic sheet.
3. The assembly of claim 1, further comprising a microstrip patch, wherein the port of the center conductor is connected to the microstrip patch by a pressure weld.
4. The assembly of claim 1, wherein the lower cavity and the cover plate are made of a magnetically conductive metal material; the upper cavity is made of non-magnetic metal material.
5. The assembly of claim 1, wherein the first, second, third, and fourth polytetrafluoroethylene media are all nonconductive and magnetically non-conductive media materials.
6. The assembly of claim 1, wherein the first and second permanent magnets each use a generally permanent magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011299782.5A CN112670688B (en) | 2020-11-19 | 2020-11-19 | Annular isolation assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011299782.5A CN112670688B (en) | 2020-11-19 | 2020-11-19 | Annular isolation assembly |
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| Publication Number | Publication Date |
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| CN112670688A CN112670688A (en) | 2021-04-16 |
| CN112670688B true CN112670688B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011299782.5A Active CN112670688B (en) | 2020-11-19 | 2020-11-19 | Annular isolation assembly |
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| CN (1) | CN112670688B (en) |
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| EP2028713A1 (en) * | 2007-08-24 | 2009-02-25 | M/A-COM Inc. | Circulator / isolator housing with inserts |
| CN202503478U (en) * | 2012-02-23 | 2012-10-24 | 北京琅拓科电子设备有限公司 | Bidirectional radio frequency power amplifier |
| CN103187935A (en) * | 2011-12-30 | 2013-07-03 | 中兴通讯股份有限公司 | Circulator power amplifier circuit and design method thereof |
| CN103954936A (en) * | 2014-04-14 | 2014-07-30 | 芜湖航飞科技股份有限公司 | Radar transmitting-receiving switch provided with microwave high-power amplitude limiter |
| CN204927472U (en) * | 2015-08-31 | 2015-12-30 | 成都迈可维微波电子有限公司 | Interior belt isolation components of formula band wire that welds |
| CN205376713U (en) * | 2016-01-05 | 2016-07-06 | 成都泰格微波技术股份有限公司 | Adopt limit circuit of high -power circulator of C wave band |
| KR101707955B1 (en) * | 2015-10-16 | 2017-02-27 | 광운대학교 산학협력단 | Broadband Lumped Type Isolator in UHF band |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201536146U (en) * | 2009-07-20 | 2010-07-28 | 世达普(苏州)通信设备有限公司 | Novel knotty stripline microwave circulating knot separator |
| CN202103150U (en) * | 2011-05-31 | 2012-01-04 | 南京广顺电子技术研究所 | Micro-trip and double-junction isolator with high isolation |
| CN205211903U (en) * | 2015-10-12 | 2016-05-04 | 深圳市诺信博通讯有限公司 | Cluster system is with high pair high -power isolators of festival of keeping apart |
| CN208093703U (en) * | 2018-05-02 | 2018-11-13 | 南京广顺电子技术研究所 | A kind of coaxial binodal circulator |
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2020
- 2020-11-19 CN CN202011299782.5A patent/CN112670688B/en active Active
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|---|---|---|---|---|
| EP2028713A1 (en) * | 2007-08-24 | 2009-02-25 | M/A-COM Inc. | Circulator / isolator housing with inserts |
| CN103187935A (en) * | 2011-12-30 | 2013-07-03 | 中兴通讯股份有限公司 | Circulator power amplifier circuit and design method thereof |
| CN202503478U (en) * | 2012-02-23 | 2012-10-24 | 北京琅拓科电子设备有限公司 | Bidirectional radio frequency power amplifier |
| CN103954936A (en) * | 2014-04-14 | 2014-07-30 | 芜湖航飞科技股份有限公司 | Radar transmitting-receiving switch provided with microwave high-power amplitude limiter |
| CN204927472U (en) * | 2015-08-31 | 2015-12-30 | 成都迈可维微波电子有限公司 | Interior belt isolation components of formula band wire that welds |
| KR101707955B1 (en) * | 2015-10-16 | 2017-02-27 | 광운대학교 산학협력단 | Broadband Lumped Type Isolator in UHF band |
| CN205376713U (en) * | 2016-01-05 | 2016-07-06 | 成都泰格微波技术股份有限公司 | Adopt limit circuit of high -power circulator of C wave band |
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