CN208674330U - A kind of latching Dual Mode Reciprocal Ferrite Phase Shifter - Google Patents
A kind of latching Dual Mode Reciprocal Ferrite Phase Shifter Download PDFInfo
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- CN208674330U CN208674330U CN201821246723.XU CN201821246723U CN208674330U CN 208674330 U CN208674330 U CN 208674330U CN 201821246723 U CN201821246723 U CN 201821246723U CN 208674330 U CN208674330 U CN 208674330U
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- phase shifter
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- ferrite
- ferrite bar
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Abstract
The utility model relates to microwave components design technical field, in particular to a kind of latching Dual Mode Reciprocal Ferrite Phase Shifter.It includes skeleton, printed board, ferrite bar, two magnetic yokes, coiling set, driving coil, two nonreciprocal circular polarizers, two housings, two mating structure parts, two screening covers.The phase shifter shields the magnetic field that nonreciprocal circular polarizer generates by using housing, and the alternating current magnetic field generated using screening cover shield guard coil leakage field, reduce the electromagnetic interference inside phase shifter to external devices and circuit, also reduces external devices and circuit to the electromagnetic interference inside phase shifter simultaneously；Further the phase shifter design mating structure part is located in matching space, can directly contact with ferrite bar and carry out impedance matching, reduce phase shifter overall losses；In addition, ferrite bar is cylindrical structure, locking-type magnetic circuit is formed in the symmetrically arranged mode of ferrite bar using two magnetic yokes, reduces phase shifter lateral dimension.
Description
Technical field
The utility model relates to microwave components design technical field, in particular to a kind of bimodulus reciprocity latched ferrite phase shift
Device.
Background technique
Currently, the wave beam agile scanning of inactive phased array is mainly realized using ferrite phase shifter technology, between phase shifter
Spacing it is smaller, the scanning angle of inactive phased array front is bigger, and investigative range is wider.Wherein, to reduce the spacing of phase shift, no
Not reduce the sectional dimension of phase shifter, but the reduction of phase shifter size will make the mechanical performance of phase shifter be affected, together
When also will increase interference on front between phase shifter, realize the impedance matching of phase shifter microwave transmission relatively difficult, and damage
It consumes larger.
Summary of the invention
The purpose of the utility model is to provide a kind of latching Dual Mode Reciprocal Ferrite Phase Shifters, above-mentioned to overcome or alleviated by
At least one aspect the problem of.
The technical solution of the utility model is:
A kind of latching Dual Mode Reciprocal Ferrite Phase Shifter, comprising:
Skeleton, including two side walls disposed in parallel and two end faces disposed in parallel, side wall are vertically arranged with end face, both ends of the surface
In an end face along its axial direction offer the first mating hole, another end face offers the second mating hole, two sidewalls along its axial direction
In any side wall offer fairlead；
Two screening covers surround shielding space with two sidewalls and both ends of the surface；
Printed board is set to outside skeleton, and is fixedly connected with the side wall for offering fairlead；
Two magnetic yokes, are set in shielding space, and magnetic yoke space is formed between two magnetic yokes；
Ferrite bar is cylindrical body, is set in shielding space, and runs through magnetic yoke space, any one in two magnetic yokes
The both ends of magnetic yoke with ferrite bar outer wall face contact；
Coiling set is set in magnetic yoke space, and the periphery for being located at ferrite bar is arranged；
Driving coil, the periphery of coiling set 7 is arranged in winding, and its connector is drawn from fairlead, and is connect with printed board；
Two nonreciprocal circular polarizers include four blocks of permanent magnet, are set in shielding space, one of them nonreciprocal circle
The permanent magnet of four blocks of polarizer is uniformly distributed circumferentially in one end of ferrite bar, and gap forms the first matching space；It is another
The permanent magnet of four blocks of a nonreciprocal circular polarizer is uniformly distributed circumferentially in the other end of ferrite bar, and gap forms second
With space；
Two housings, one of them is set on the outside of a nonreciprocal circular polarizer, and it is non-that another is set in another
The outside of reciprocity circular polarizer；
Two mating structure parts, it is empty that one end of one of mating structure part passes through the first matching of the first mating hole insertion
Between, one end of another mating structure part passes through the second mating hole and is inserted into the second matching space, and two mating structure parts are and skeleton
It is fixedly connected.
Wherein, epoxy resin is filled in shielding space.
Preferably, two mating structure parts are fixedly installed rectangular flange far from one end outer wall of ferrite bar, and two
Rectangular flange is respectively with both ends of the surface by being adhesively fixed.
Preferably, rectangular flange is provided in the axial direction with two through hole, and two threaded holes with two through hole cooperation are offered on end face.
Preferably, printed board is fixedly connected with side wall by screw.
Preferably, housing and screening cover are manufactured by permeability magnetic material.
Preferably, the orientation of two magnetic yokes and the orientation of two sidewalls are identical.
Utility model has the advantages that a kind of latching Dual Mode Reciprocal Ferrite Phase Shifter is provided, the phase shifter design
Mating structure part is located in matching space, can directly contact with ferrite bar and carry out impedance matching, rather than pass through the side of bonding
Formula fixes mating structure part with ferrite bar, reduces phase shifter overall losses；In addition, ferrite bar is cylindrical structure,
The setting of two magnetic yokes forms locking-type magnetic circuit in ferrite bar periphery, rather than by rectangular ferrite bar, four magnetic yokes in ferrite bar week
Symmetrically arranged mode is enclosed, the section of phase shifter is made to keep size smaller in one direction；Further, in order to avoid size
Reduction makes magnetic field exposure generate interference, shields the magnetic field that nonreciprocal circular polarizer generates by using housing, and use shielding
The alternating current magnetic field that lid shield guard coil leakage field generates, reduces the electromagnetic interference inside phase shifter to external devices and circuit,
It also reduces external devices and circuit to the electromagnetic interference inside phase shifter simultaneously.
Detailed description of the invention
Fig. 1 is the utility model latching Dual Mode Reciprocal Ferrite Phase Shifter outline drawing.
Fig. 2 is the utility model latching Dual Mode Reciprocal Ferrite Phase Shifter structural schematic diagram.
Fig. 3 is ferrite bar in Fig. 2, coiling set, driving coil and the structural schematic diagram of magnetic yoke cooperation.
Appended drawing reference:
1, ferrite bar, 2, skeleton, 3, mating structure component, 4, magnetic yoke, 5, nonreciprocal circular polarizer, 6, driving coil,
7, coiling set, 8, printed board, 9, housing, 10, screening cover.
Specific embodiment
To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model
Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.In the accompanying drawings, from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments.Below with reference to the embodiment of attached drawing description
It is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.It is practical new based on this
Embodiment in type, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.The embodiments of the present invention are described in detail with reference to the accompanying drawing.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
The limitation of novel protected range.
1 pair of the utility model is described in further details with reference to the accompanying drawing.
The utility model provides a kind of latching Dual Mode Reciprocal Ferrite Phase Shifter, comprising:
Skeleton 2, including two side walls disposed in parallel and two end faces disposed in parallel, side wall are vertically arranged with end face, both ends
An end face offers the first mating hole along its axial direction in face, another end face offers the second mating hole, two sides along its axial direction
Any side wall offers fairlead in wall；
Two screening covers 10, surround shielding space with two sidewalls and both ends of the surface；
Printed board 8 is set to outside skeleton 2, and is fixedly connected with the side wall for offering fairlead；
Two magnetic yokes 4, are set in shielding space, and magnetic yoke space is formed between two magnetic yokes 4；
Ferrite bar 1 is cylindrical body, is set in shielding space, and runs through magnetic yoke space, any one in two magnetic yokes 4
The both ends of a magnetic yoke 4 with 1 outer wall face contact of ferrite bar；
Coiling set 7, is set in magnetic yoke space, and the periphery for being located at ferrite bar 1 is arranged；
Driving coil 6, the periphery of coiling set 7 is arranged in winding, and its connector is drawn from fairlead, and connects with printed board 8
It connects；
Two nonreciprocal circular polarizers 5 include four blocks of permanent magnet, are set in shielding space, one of them is nonreciprocal
The permanent magnet of four blocks of circular polarizer 5 is uniformly distributed circumferentially in one end of ferrite bar 1, and gap forms the first matching space；
The permanent magnet of four blocks of another nonreciprocal circular polarizer is uniformly distributed circumferentially in the other end of ferrite bar 1, and gap is formed
Second matching space；
Two housings 9, one of them is set in nonreciprocal 5 outside of circular polarizer, another is set in another
The outside of nonreciprocal circular polarizer 5；
Two mating structure parts 3, it is empty that one end of one of mating structure part 3 passes through the first matching of the first mating hole insertion
Between, one end of another mating structure part 3 passes through the second mating hole and is inserted into the second matching space, and two mating structure parts 3 are and bone
Frame 2 is fixedly connected.
Wherein, epoxy resin is filled in shielding space.
Further, two mating structure parts 3 are fixedly installed rectangular flange far from one end outer wall of ferrite bar 1,
Two rectangular flanges pass through with both ends of the surface respectively to be adhesively fixed, it can be achieved that mating structure part 3 and skeleton 2 are reliably fixed, and can
Avoid the damage of mating structure part 3；In addition, be provided in the axial direction with two through hole in rectangular flange, offered on end face and two through hole
Two threaded holes of cooperation.Attachment screw is fixed with external waveguide, wherein screwing force is mainly born by skeleton 2, rectangular flange master
Clamping force is born, avoids the damage to mating structure part 3 as a result,.
Further, printed board 8 is fixedly connected with side wall by screw.
Further, housing 9 is manufactured with screening cover 10 by permeability magnetic material, to further enhance the shielding effect to electromagnetism
Fruit reduces the electromagnetic interference between latching Dual Mode Reciprocal Ferrite Phase Shifter.
Further, the orientation of two magnetic yokes and the orientation of two sidewalls are identical, and the direction that two magnetic yokes are arranged is same
The skeleton of flat pattern is consistent, keeps flat, the bulk of reduction phase shifter entirety that phase shifter is whole.
Test proves that for the standing wave of the utility model less than 1.6, lossy microwave representative value 0.9dB has 10% opposite band
Width, the latching Dual Mode Reciprocal Ferrite Phase Shifter of the structure can satisfy high-frequency vibration, random vibration, resistance to acceleration and impact
Test requirements document.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (6)
1. a kind of latching Dual Mode Reciprocal Ferrite Phase Shifter characterized by comprising
Skeleton (2), including two side walls disposed in parallel and two end faces disposed in parallel, the side wall is vertical with the end face to be set
It sets, an end face offers the first mating hole along its axial direction in two end faces, another described end face is opened along its axial direction
Equipped with the second mating hole, any side wall offers fairlead in two side walls；
Two screening covers (10) surround shielding space with the two sidewalls and the both ends of the surface；
It is external to be set to the skeleton (2), and is fixedly connected with the side wall for offering the fairlead for printed board (8)；
Two magnetic yokes (4), are set in the shielding space, and magnetic yoke space is formed between two magnetic yokes (4)；
Ferrite bar (1) is cylindrical body, is set in shielding space, and runs through the magnetic yoke space, two magnetic yokes (4)
In any magnetic yoke (4) both ends with the ferrite bar (1) outer wall face contact；
Coiling set (7) is set in the magnetic yoke space, and the periphery for being located at the ferrite bar (1) is arranged；
Driving coil (6), winding are arranged in the periphery of the coiling set (7), and its connector is drawn from the fairlead, and with institute
State printed board (8) connection；
Two nonreciprocal circular polarizers (5) include four blocks of permanent magnet, are set in the shielding space, one of them is non-mutually
The permanent magnet of four blocks of easy circular polarizer (5) is uniformly distributed circumferentially in one end of the ferrite bar (1), and gap forms first
Matching space；The permanent magnet of four blocks of another nonreciprocal circular polarizer is circumferentially uniform in the other end of the ferrite bar (1)
Distribution, gap form the second matching space；
Two housings (9), one of them is set on the outside of the nonreciprocal circular polarizer (5), another is set in separately
The outside of one nonreciprocal circular polarizer (5)；
Two mating structure parts (3), one end of one of them mating structure part (3) pass through first mating hole and are inserted into institute
The first matching space is stated, one end of another mating structure part (3) passes through described second of second mating hole insertion
With space, the two mating structures part (3) is fixedly connected with the skeleton (2)；
Wherein, epoxy resin is filled in the shielding space.
2. latching Dual Mode Reciprocal Ferrite Phase Shifter according to claim 1, which is characterized in that two mating structures
Part (3) is fixedly installed rectangular flange far from one end outer wall of the ferrite bar (1), two rectangular flanges respectively with
Two end faces are by being adhesively fixed.
3. latching Dual Mode Reciprocal Ferrite Phase Shifter according to claim 2, which is characterized in that the rectangular flange is along axis
To two through hole is offered, two threaded holes with two through hole cooperation are offered on the end face.
4. latching Dual Mode Reciprocal Ferrite Phase Shifter according to claim 1, which is characterized in that the printed board (8) with
The side wall is fixedly connected by screw.
5. latching Dual Mode Reciprocal Ferrite Phase Shifter according to claim 1, which is characterized in that the housing (9) with
The screening cover (10) is manufactured by permeability magnetic material.
6. latching Dual Mode Reciprocal Ferrite Phase Shifter according to claim 1, which is characterized in that the row of two magnetic yokes
Column direction is identical as the orientation of the two sidewalls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821246723.XU CN208674330U (en) | 2018-08-03 | 2018-08-03 | A kind of latching Dual Mode Reciprocal Ferrite Phase Shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821246723.XU CN208674330U (en) | 2018-08-03 | 2018-08-03 | A kind of latching Dual Mode Reciprocal Ferrite Phase Shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208674330U true CN208674330U (en) | 2019-03-29 |
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ID=65832503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821246723.XU Active CN208674330U (en) | 2018-08-03 | 2018-08-03 | A kind of latching Dual Mode Reciprocal Ferrite Phase Shifter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421104A (en) * | 2021-12-09 | 2022-04-29 | 北京无线电测量研究所 | 90-degree nonreciprocal phase shifter |
-
2018
- 2018-08-03 CN CN201821246723.XU patent/CN208674330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421104A (en) * | 2021-12-09 | 2022-04-29 | 北京无线电测量研究所 | 90-degree nonreciprocal phase shifter |
| CN114421104B (en) * | 2021-12-09 | 2023-05-05 | 北京无线电测量研究所 | 90-degree nonreciprocal phase shifter |
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