CN209561591U - Integrated high-power coaxial isolator - Google Patents
Integrated high-power coaxial isolator Download PDFInfo
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- CN209561591U CN209561591U CN201920316191.0U CN201920316191U CN209561591U CN 209561591 U CN209561591 U CN 209561591U CN 201920316191 U CN201920316191 U CN 201920316191U CN 209561591 U CN209561591 U CN 209561591U
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Abstract
The utility model relates to a kind of integrated high-power coaxial isolators, including cavity, cover board, accommodation groove is set on the cavity, permanent magnet is set gradually from top to bottom in the accommodation groove, iron plate, second medium ring, center conductor, first medium ring, integrated high-power coaxial isolator further includes connector, seal magnetic sheet, mounting groove is arranged in the outside of the cavity, rf load is fixed in the mounting groove, the top of the mounting groove is equipped with the envelope magnetic sheet, the both ends of the envelope magnetic sheet are fixedly connected with the cavity respectively, the connector is fixed respectively on the chamber outer wall of the mounting groove two sides, inner conductor on the connector is put in accommodation groove, the intermediate position of described inner conductor one end offers slot, the center conductor is connect by slot with connector.The utility model has the advantages that magnetic circuit is closed, is lost that small, perfect heat-dissipating, center conductor structure are simple, high reliablity, be easily assembled, power is big and diamagnetic interference performance is strong.
Description
Technical field
The utility model relates to microwave passive component technical fields, and in particular to a kind of integrated high-power is coaxially isolated
Device.
Background technique
Existing coaxial isolator does shell with discrete permeability magnetic material, and permeability magnetic material is glued on cavity with adhesive,
It is packed into two panels ferrite (without ceramic ring medium) in the cavity, center conductor, magnetic conduction disk, magnetic conduction disk, temperature-compensating plate,
Permanent magnet, permeability magnetic material, permeability magnetic material are fixed on cavity with screw respectively.Permanent magnet provides bias magnetic field for ferrite, in
Heart conductor is there are three endpoint is drawn, and one of port matching connection load, other two ports are respectively input terminal and output
End.This structure is fixed on cavity by muti-piece permeability magnetic material with adhesive and screw, constitutes magnetic loop with cavity.This structure adds
Work consumptive material is big, and operating fields are low, and magnetic circuit is not completely closed, and leakage field is larger, magnetic circuit low efficiency, is difficult to accomplish the miniaturization of structure.
Meanwhile device is when in use, in device microwave energy be converted into thermal energy more, energy dissipation bigger by the power of device
It is just serious, it is also possible to cause device heating and excessively cause to fail.So the method solved: on the one hand reducing the insertion damage of device
On the other hand consumption increases radiating efficiency.
Utility model content
In order to solve the problems existing in the prior art, the utility model provides a kind of integrated high-power coaxial isolator, tool
There is magnetic circuit to be closed, small, perfect heat-dissipating is lost, center conductor structure is simple, high reliablity, be easily assembled, power is big and anti-
The strong advantage of magnetic disturbance ability.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
Accommodation groove, the appearance is arranged on the cavity in a kind of integrated high-power coaxial isolator, including cavity, cover board
It sets and sets gradually permanent magnet, iron plate, second medium ring, center conductor, first medium ring in slot from top to bottom, the integration is big
Power coaxial isolator further includes the outside setting mounting groove of connector, envelope magnetic sheet, the cavity, is fixed in the mounting groove
Rf load, the open top of the mounting groove are equipped with the envelope magnetic sheet, and the both ends of the envelope magnetic sheet are solid with the cavity respectively
It is fixed to connect, the connector is fixed respectively on the chamber outer wall of the mounting groove two sides, and the inner conductor on the connector is put in
In accommodation groove, the intermediate position of described inner conductor one end offers slot, and the center conductor is connect by slot with connector.
Preferably, the centre of center conductor structure triangular in shape, and three angles end is arcuate structure, institute
It states the center on center conductor perpendicular to Atria side and is respectively fixed with lead, wherein one end lead and rf load
Soldering terminals, the slot that in addition the lead distribution at both ends is injected on neighboring connectors inner conductor is interior and welds with it.
In any of the above-described scheme preferably, the connector is SMA type coaxial connector, and the connector passes through outer
Conductor ring flange is fixedly connected with chamber outer wall.
In any of the above-described scheme preferably, it is equipped in the first medium ring and second medium ring and center conductor
The gyromagnetic ferrite of contact, the gyromagnetic ferrite be ferrogarnet, the gyromagnetic ferrite back to center conductor one
Face roasting silver.
In any of the above-described scheme preferably, the envelope magnetic sheet is located at the top of rf load.
In any of the above-described scheme preferably, the cover board is threadedly coupled with accommodation groove to be sealed.
In any of the above-described scheme preferably, the permanent magnet is strontium calcium permanent magnet.
In any of the above-described scheme preferably, the rf load is 150W high power load.
Compared with prior art, integrated high-power coaxial isolator provided by the utility model has below beneficial to effect
Fruit:
1, by the threaded connection of cover board and accommodation groove, the components such as permanent magnet, center conductor, gyromagnetic ferrite are enclosed in appearance
It sets in slot, magnetic circuit is closed, and leakage field is small, and envelope magnetic sheet is arranged in the top of rf load, and the top opening of mounting groove is sealed
Firmly, the leakproofness for improving cavity entirety further decreases leakage field, while sealing magnetic sheet and cavity contact connectio, increases cavity
Heat dissipation area, improve thermal diffusivity；
2, connector is arranged in the external side of transit chamber, puts in the inner conductor on connector in accommodation groove and draws with center conductor
Line connection, improves the overall tightness of cavity, further decreases leakage field, and connector connection other equipment are convenient and simple.
Detailed description of the invention
Fig. 1 is that the overall structure of a preferred embodiment of integrated high-power coaxial isolator provided by the utility model is shown
It is intended to；
Fig. 2 is the explosive view of embodiment illustrated in fig. 1；
Fig. 3 is the connection figure of center conductor and connector and rf load in embodiment illustrated in fig. 1.
Explanation: 1, cover board is marked in figure；2, iron plate；3, first medium ring；4, gyromagnetic ferrite；5, second medium ring；6,
Cavity；7, magnetic sheet is sealed；8, rf load；9, connector；10, center conductor；11, permanent magnet.
Specific embodiment
In order to be further understood that the summary of the invention of the utility model, this reality is elaborated below in conjunction with specific embodiment
With novel.
As shown in Figure 1-3, according to an embodiment of integrated high-power coaxial isolator provided by the utility model, including
Accommodation groove is arranged on the cavity 6 in cavity 6, cover board 1, set gradually from top to bottom in the accommodation groove permanent magnet 11, iron plate 2,
Second medium ring 5, center conductor 10, first medium ring 3, the number of iron plate 2 are two, and the cavity 6 cuts iron material using easy
Processing, electroplate processing enhance electric conductivity, and the integrated high-power coaxial isolator further includes connector 9, envelope magnetic sheet
7, mounting groove is arranged in the outside of the cavity 6, and rf load 8, rf load 8 and installation groove bottom wall are fixed in the mounting groove
It is welded to connect, the open top of the mounting groove is equipped with the envelope magnetic sheet 7, and the both ends of the envelope magnetic sheet 7 are fixed with cavity 6 respectively
Connection, envelope magnetic sheet 7 are not contacted with rf load 8, while increasing load radiating efficiency, are improved the leakproofness of cavity 6, are reduced
Leakage field, side of the mounting groove far from accommodation groove is to open wide setting, facilitates the heat dissipation of rf load 8, the chamber of the mounting groove two sides
The connector 9 is fixed on 6 outer wall of body respectively, the inner conductor on the connector 9 is put in accommodation groove, described inner conductor one end
Intermediate position offer slot, the center conductor 10 is connect by slot with connector 9.
The center conductor 10 is processed, electroplate using 0.2mm thickness copper foil, enhances electric conductivity, reduces loss.Institute
The centre structure triangular in shape of center conductor 10 is stated, and three angles end is arcuate structure, form passivation, reduced because of tip
It strikes sparks in the high-power situation that electric discharge phenomena cause, perpendicular to the center point on Atria side on the center conductor 10
It is not fixed with lead, wherein the soldering terminals of one end lead and rf load 8, in addition adjacent company is injected in the lead distribution at both ends
It connects in the slot on 9 inner conductor of device and welding with it contacts it well,
The connector 9 is SMA type coaxial connector, and the connector 9 is solid by outer conductor ring flange and 6 outer wall of cavity
Fixed connection.
The gyromagnetic ferrite 4 contacted with center conductor 10, institute are equipped in the first medium ring 3 and second medium ring 5
Stating gyromagnetic ferrite 4 is ferrogarnet, and the one side of the gyromagnetic ferrite 4 back to center conductor 10 roasts silver, center conductor
The gyromagnetic ferrite 4 of 10 tops roasts silver and contacts with iron plate 2, and the gyromagnetic ferrite 4 of 10 lower section of center conductor roasts silver and accommodation groove bottom
Wall contact, enhances electric conductivity, reduces loss.
The envelope magnetic sheet 7 is located at the top of rf load 8.
The cover board 1 is threadedly coupled with accommodation groove.The cover board 1 processes closely-pitched spiral shell using with the identical edge of materials of cavity 6
Line screws in cavity 6 and compresses the other component in accommodation groove.
The permanent magnet 11 is strontium calcium permanent magnet 11, and magnetic stability is lasting, and the magnetic field strength of formation is not easy to decay.
Compared with prior art, the present embodiment has the advantages that
By the threaded connection of cover board and accommodation groove, the components such as permanent magnet, center conductor, gyromagnetic ferrite are enclosed in accommodating
In slot, magnetic circuit is closed, and leakage field is small, and envelope magnetic sheet is arranged in the top of rf load, and the top opening of mounting groove is sealed,
The leakproofness for improving cavity entirety further decreases leakage field, while sealing magnetic sheet and cavity contact connectio, increases dissipating for cavity
Heat area improves thermal diffusivity；Connector is arranged in the external side of transit chamber, puts in the inner conductor on connector in accommodation groove in
The lead of heart conductor connects, and improves the overall tightness of cavity, further decreases leakage field, and connector connects other equipment
It is convenient and simple.
It will be apparent to those skilled in the art that the utility model includes the summary of the invention and specific embodiment party of description above
Any combination of each section shown by formula part and attached drawing, as space is limited and to keep specification concise without by these groups
Each scheme constituted is closed to describe one by one.Within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of integrated high-power coaxial isolator, including cavity, cover board, accommodation groove, the accommodating are set on the cavity
Permanent magnet, iron plate, second medium ring, center conductor, first medium ring are set gradually in slot from top to bottom, it is characterised in that: also
Mounting groove is arranged in outside including connector, envelope magnetic sheet, the cavity, is fixed with rf load, the peace in the mounting groove
The open top of tankage is equipped with the envelope magnetic sheet, and the both ends of the envelope magnetic sheet are fixedly connected with the cavity respectively, the installation
The connector is fixed on the chamber outer wall of slot two sides respectively, the inner conductor on the connector is put in accommodation groove, described interior
The intermediate position of conductor one end offers slot, and the center conductor is connect by slot with connector.
2. integrated high-power coaxial isolator according to claim 1, it is characterised in that: the center of the center conductor
Position structure triangular in shape, and three angles end is arcuate structure, perpendicular to the center on Atria side on the center conductor
Position is respectively fixed with lead, wherein the soldering terminals of one end lead and rf load, and in addition the lead at both ends, which is distributed, injects
It is welded in slot on neighboring connectors inner conductor and with it.
3. integrated high-power coaxial isolator according to claim 1, it is characterised in that: the connector is SMA type
Coaxial connector, the connector are fixedly connected by outer conductor ring flange with chamber outer wall.
4. integrated high-power coaxial isolator according to claim 1, it is characterised in that: the first medium ring and
The gyromagnetic ferrite contacted with center conductor is equipped in second medium ring, the gyromagnetic ferrite is ferrogarnet, described
The one side of gyromagnetic ferrite back to center conductor roasts silver.
5. integrated high-power coaxial isolator according to claim 1, it is characterised in that: the envelope magnetic sheet is located at radio frequency
The top of load.
6. integrated high-power coaxial isolator according to claim 1, it is characterised in that: the cover board and accommodation groove spiral shell
Line connection is sealed.
7. integrated high-power coaxial isolator according to claim 1, it is characterised in that: the permanent magnet be strontium calcium forever
Magnet.
8. integrated high-power coaxial isolator according to claim 1, it is characterised in that: the rf load is 150W
High power load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316191.0U CN209561591U (en) | 2019-03-13 | 2019-03-13 | Integrated high-power coaxial isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316191.0U CN209561591U (en) | 2019-03-13 | 2019-03-13 | Integrated high-power coaxial isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209561591U true CN209561591U (en) | 2019-10-29 |
Family
ID=68312862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920316191.0U Active CN209561591U (en) | 2019-03-13 | 2019-03-13 | Integrated high-power coaxial isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209561591U (en) |
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2019
- 2019-03-13 CN CN201920316191.0U patent/CN209561591U/en active Active
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