CN206059611U - A kind of compound dielectric ceramic ring ferrite sheet miniature isolator - Google Patents
A kind of compound dielectric ceramic ring ferrite sheet miniature isolator Download PDFInfo
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- CN206059611U CN206059611U CN201620868445.6U CN201620868445U CN206059611U CN 206059611 U CN206059611 U CN 206059611U CN 201620868445 U CN201620868445 U CN 201620868445U CN 206059611 U CN206059611 U CN 206059611U
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- ceramic ring
- ferrite sheet
- compound dielectric
- cavity
- smco
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Abstract
This utility model provides a kind of radar and the compound dielectric ceramic ring ferrite sheet miniature isolator used in mobile communication.Technical scheme is：Chip-R is welded in chamber outer surface groove, with inner wire as line of symmetry, above and below is sequentially placed the set ceramic ring ferrite sheet with compound dielectric, metal spacer, SmCo, place iron-nickel alloy temperature-compensating plate on the SmCo of inner conductor side again, inside cavity is placed on by central axis, metal spiral cover piece is screwed in above cavity, is fixed metal cover board with bonding agent.Product totally three ports, wherein Single port are connected with Chip-R by inner wire pin.Product cavity overall dimensions are 13mm × 13mm × 7mm, and product insertion loss of the present utility model is little, and temperature stability is good, and magnetic shield is good, compact structure, attractive in appearance, be can be used in military and civilian's communication.
Description
(1) technical field
This utility model belongs to the radio frequency in electronic information and microwave device field
(2) background technology
With the continuous development of microwave technology, microwave device is experienced by distributed constant, lumped parameter, micro-strip designing technique
Deng research manufacture ferrite circulator, the process of isolator, also constantly from large to small, weight gradually mitigates the volume of device, peace
Dress mode is only 5mm × 3mm × 1mm by Surface Mount installation, the external isolator having been reported that, circulator volume is mechanically fixed to,
Realize the Surface Mount of circulator, isolator.
Also increasingly the appearance of miniaturization, particularly unmanned vehicle develops to microwave device with continuous for the development of airborne vehicle
Volume and performance propose higher requirement, miniaturization, integration are required in volume, high reliability in performance, is required.Mesh
Front development small size, high performance microwave device, the development that can be especially adapted to dual-use circulator, isolator seem special
It is important.
(3) utility model content
This utility model is carried out according to invention " a kind of design and calculation method of quasi- micro-strip ferrite circulator inner wire "
It is embodied as, its objective is to realize the miniaturization of product.Can be increased using the ferrite sheet with compound dielectric ceramic ring
Product capacitance, so as to realize reducing the purpose of inner wire diameter by reducing the capacitance on inner wire, further subtracts
Little cavity volume, realizes miniaturization, metal cover board is fixed on cavity and is more beneficial for product electromagnetic shielding performance.Intend using following skill
Art scheme：Unique structure is designed with patent of invention " a kind of design and calculation method of quasi- micro-strip ferrite circulator inner wire "
Quasi- micro-strip inner wire, with inner wire as line of symmetry, inner wire above and below is sequentially placed the ceramic ring ferrum with compound dielectric
Oxysome piece, metal spacer, SmCo, place iron-nickel alloy temperature-compensating plate again on the SmCo of inner conductor side, inner wire,
Ceramic ring ferrite sheet with compound dielectric, metal spacer, SmCo, iron-nickel alloy temperature-compensating plate press central shaft
Line is placed on inside cavity, and metal spiral cover piece is screwed in above cavity, metal cover board is fixed on above cavity with bonding agent.Product
Totally three ports, wherein the 3rd port is connected with Chip-R by center conductor.Chip-R is welded recessed in chamber outer surface
In groove, product cavity overall dimensions are 13mm × 13mm × 7mm.
The beneficial effects of the utility model are：
1. product insertion loss is little, and power bears height, and temperature stability is good, and magnetic shield is good, compact structure, attractive in appearance.
2. product has extensively use in radar, navigation, air traffic control, mobile communication and other electronic equipments
On the way, it is adapted to military and civilian dual-purpose, is particularly suitable for the unmanned plane for having strict demand to volume and weight.
(4) illustrate
Product form figure
In figure, numbering 1 represents Chip-R
2 represent cavity
3 represent 2 SmCos
4 represent 2 metal spacers
5 represent 2 compound dielectric ceramic rings
6 represent 2 ferrite sheets
7 represent inner wire
8 represent iron-nickel alloy temperature-compensating plate
9 represent metal spiral cover
10 represent metal cover board
(5) specific embodiment
1st, determine operating frequency f of miniature isolatorL、f0、fH, operational frequency bandwidth Δ F and terminal impedance ZL；Ferrum oxygen
The Effective permeability μ of body piece 6e, DIELECTRIC CONSTANT εrAnd thickness h.
2nd, inner wire is calculated respectively by invention " a kind of design and calculation method of quasi- micro-strip ferrite circulator inner wire "
Constitute electric capacity (C0+3CP) the diameter D of area, the electric capacity C that constitutes of broadband linePArea APThe inductance L constituted with narrowband lineP's
Length lP。
3rd, design the quasi- micro-strip inner wire 7 of unique structure by computer AutoCAD, cavity 2, metal spacer 4, and
It is processed into qualified component.
4th, Chip-R 1 is welded on cavity 2, SmCo 3a is placed horizontally inside cavity bottom surface, spacer 4a is placed
On SmCo 3a, ferrite sheet 5a, 6a of the ceramic ring with compound dielectric are positioned on spacer 4a, and inner wire 7 is put
It is placed on ferrite sheet 5a, 6a with compound dielectric ceramic ring, another ceramic ring ferrite with compound dielectric
Piece 5b, 6b are positioned on inner wire 7, another spacer 4b be positioned over the ceramic ring ferrite sheet 5b with compound dielectric,
On 6b, another SmCo 3b is positioned on spacer 4b, and iron-nickel alloy temperature-compensating plate 8 is positioned on SmCo 3b, and spiral cover 9 is screwed in chamber
On body, above temperature-compensating plate 8, the bonding agent of cover plate 10 is bonded on cavity 2.
5th, debugging reaches required technical performance.
Claims (4)
1. a kind of compound dielectric ceramic ring ferrite sheet miniature isolator, is characterized in that：With inner wire as line of symmetry, institute
State inner wire above and below and be sequentially placed the ceramic ring ferrite sheet with compound dielectric, metal spacer, SmCo, it is described
Iron-nickel alloy temperature-compensating plate is placed on the SmCo of inner conductor side, it is the inner wire, described with composite dielectric
The ceramic ring ferrite sheet of constant, the metal spacer, the SmCo, the iron-nickel alloy temperature-compensating plate press central shaft
Line is placed on inside cavity, and metal spiral cover piece is screwed in above the cavity, and metal cover board is fixed on the cavity with bonding agent
Above, there is the groove for the Chip-R that is welded at the 3rd end of the chamber outer surface, and the Chip-R is welded in the groove
It is interior.
2. a kind of compound dielectric ceramic ring ferrite sheet miniature isolator according to claim 1, is characterized in that：
Ceramic ring of the ferrite sheet with compound dielectric, the ceramic ring are integrated with the ferrite sheet.
3. a kind of compound dielectric ceramic ring ferrite sheet miniature isolator according to claim 1, is characterized in that：
The SmCo, the metal spacer, the ceramic ring ferrite sheet with compound dielectric are symmetrically distributed in described
Conductor above and below both sides.
4. a kind of compound dielectric ceramic ring ferrite sheet miniature isolator according to claim 1, is characterized in that：
The metal cover board is located above the cavity, bonding with the cavity with bonding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620868445.6U CN206059611U (en) | 2016-07-29 | 2016-07-29 | A kind of compound dielectric ceramic ring ferrite sheet miniature isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620868445.6U CN206059611U (en) | 2016-07-29 | 2016-07-29 | A kind of compound dielectric ceramic ring ferrite sheet miniature isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206059611U true CN206059611U (en) | 2017-03-29 |
Family
ID=58380292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620868445.6U Active CN206059611U (en) | 2016-07-29 | 2016-07-29 | A kind of compound dielectric ceramic ring ferrite sheet miniature isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206059611U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112237057A (en) * | 2018-06-04 | 2021-01-15 | 麦克赛尔控股株式会社 | Electromagnetic wave absorber |
| WO2022257286A1 (en) * | 2021-06-11 | 2022-12-15 | 浙江省东阳市东磁诚基电子有限公司 | Isolator and implementation method therefor |
-
2016
- 2016-07-29 CN CN201620868445.6U patent/CN206059611U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112237057A (en) * | 2018-06-04 | 2021-01-15 | 麦克赛尔控股株式会社 | Electromagnetic wave absorber |
| CN112237057B (en) * | 2018-06-04 | 2023-09-12 | 麦克赛尔株式会社 | electromagnetic wave absorber |
| WO2022257286A1 (en) * | 2021-06-11 | 2022-12-15 | 浙江省东阳市东磁诚基电子有限公司 | Isolator and implementation method therefor |
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