CN205811026U - A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly - Google Patents
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly Download PDFInfo
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- CN205811026U CN205811026U CN201620732425.6U CN201620732425U CN205811026U CN 205811026 U CN205811026 U CN 205811026U CN 201620732425 U CN201620732425 U CN 201620732425U CN 205811026 U CN205811026 U CN 205811026U
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Abstract
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly, be formed by connecting by connecting plate by some functional units.Functional unit includes upper cavity, lower chamber and inner wire.Inner wire is connected and composed by matching network by 2 unijunctions.Being fitted with ferrite, upper bias field and temperature-compensating sheet above unijunction successively, lower section is fitted with lower ferrite and lower bias field successively.This utility model uses lumped parameter design and distributed constant design to combine and multi-step temperature collocation structure, with less space, it is achieved that the raising of assembly radio-frequency ability to bear, the reduction of standing-wave ratio.Various combination by SMA K joint connection mode, it is achieved that organically blending of circulator and isolator, its isolation effect is stable, flexibly and frequency span is big for connected mode.Combined the chain structure formed by connecting plate, match with the regulation and control requirement of existing Integrated Communication.
Description
Technical field
This utility model relates to Nonreciprocal circuit device technical field, especially a kind of chain type radio frequency ferrite circulator,
Isolator dual-purpose assembly.
Background technology
Ferrite circulator, isolator are the critical elements of microwave technology.In Modern Mobile Communications Systems, as receive,
The antenna assembly of sender, is launching and is being power amplifier, the input of switching amplifier in reception system, has exported isolation work
With, or in measurement system, play decoupling effect.
Existing ferrite circulator, isolator, according to inner wire make, are divided into distributed constant design and collection Headquarters of the General Staff
Number design.Using the circulator of distributed constant design, isolator, its manufacturing process is simple, but volume changes with frequency range, especially
It is under low-frequency range and super high band, and volume dramatically increases.In recent years, with the development of ferrite film technology, lumped parameter
Circulator, isolator are little because of its stable performance, volume, and adapt with the field such as communication, space flight demand for development, by accurate machine
Tool, high-end manufacturing are widely used.
But existing lumped parameter circulator, isolator still suffer from problems with:
The most existing lumped parameter circulator, isolator frequency range lower limit are 10MHz；When frequency range reaches 1GHz, its volume with
Distributed constant junction type circulator, isolator volume are suitable.
2., along with the development of mechanics of communication, promoted the integrated of communication channel, multichannel adjacent channel Distance Shortened, increased
Interference between big multiplex communication.Existing circulator, insulator functionality are single, are only applicable to uniline, it is impossible to coupling multichannel
Communication channel spacing, and day by day complicated circuit regulation and control requirement.
The most existing lumped parameter circulator, isolator use temperature-compensating sheet to stablize inner wire temperature, temperature adjusting mode
Single, limit operating temperature and the radio frequency ability to bear of device.
4. it is formed by stacking by multilayer material due to the inner wire of lumped parameter circulator, isolator, when device assembles,
After inner conductor structure must be fixed by ferrite, then its each port is welded, assembling complexity, limit flowing water metaplasia
Producing, its production efficiency is relatively low.
Utility model content
This utility model provides a kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly, to solve the problems referred to above.
Use lumped parameter design and distributed constant to design the mode combined, use ferrite film skill by matching network by 2
The lumped parameter circulator that art is formed is attached, with less space, it is achieved that the raising of assembly radio-frequency ability to bear, standing wave
The reduction of coefficient, and be effectively isolated for providing between frequency range each in assembly, improve capacity of resisting disturbance.By SMA-K joint line
The various combination of mode, it is achieved that organically blending of circulator and isolator, its isolation effect is stable, connected mode flexibly and frequency
Point span is big.And the chain structure of any amount circulator, isolator can be combined into by connecting plate, believe with Integrated Communication
The regulation and control in road require to match.Meanwhile, this utility model is by selecting the gyromagnetic ferrite that Curie temperature is higher, and utilizes its magnetic
The all standing structure of power sphere of action inner conductors, inner conductors carries out temperature-compensating；Utilize ferrite permanent-magnet materials and neodymium ferrum
Boron rare earth permanent-magnetic material superposition is formed, and gyromagnetic ferrite temperature coefficient additional bias field closely, to rotation magnetic iron oxide
Body carries out temperature-compensating；Temperature-compensating sheet external biasing magnetic field is utilized to carry out temperature-compensating, thus with multi-step temperature compensation way,
Expand the normal working temperature scope of assembly, provide basis for Integration Design.Further, internally led by upper and lower cavity
Fixing of body thin film, is advantageously implemented the integration production of cavity and inner wire, and simplified assembly assembling, debugging and attended operation walk
Suddenly, production efficiency is improved.
In order to realize the purpose of this utility model, plan employing techniques below:
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly, it is characterised in that passed through by some functional units
Connecting plate is formed by connecting；Described functional unit include upper cavity, lower chamber and be embedded in described upper cavity and described lower chamber it
Between inner wire；Described inner wire is connected and composed by matching network by 2 unijunctions, is fitted with successively above described unijunction
Ferrite, upper bias field and temperature-compensating sheet, lower section is fitted with lower ferrite and lower bias field successively；Described upper ferrite,
Described upper bias field and described temperature-compensating sheet are fixedly installed in described upper cavity by upper cover plate, described lower ferrite and institute
State lower bias field to be fixedly installed in described lower chamber by lower cover.
Further, side plate it is embedded with between described upper cover plate and described lower cover for sealing described functional unit.
Further, described functional unit is rectangular structure.
Further, described upper cavity and described lower chamber connect fixing by screw.
Further, described inner wire edge is arc-shaped.
Further, 2 described unijunctions in described inner wire are specular.
Further, described upper ferrite is identical with described lower ferrite material, selects gyromagnetic ferrite material, its saturated magnetic
The temperature coefficient changing intensity 4 π Ms is-1600PPM/ DEG C.
Further, described upper bias field and described lower bias field material, structure are the most identical, use ferrite permanent-magnet materials and
Nd-Fe-B rare earth permanent magnetic material superposition is constituted, and average temperature coefficient is-1500～-1600PPM/ DEG C.
Further, being provided with SMA-K joint at described side plate, described SMA-K joint is connected with described inner wire.
The beneficial effects of the utility model are:
1. this utility model is by selecting the gyromagnetic ferrite that Curie temperature is higher, and utilizes its magneticaction scope pair
The all standing structure of inner wire, inner conductors carries out temperature-compensating；Utilize ferrite permanent-magnet materials and Nd-Fe-B rare-earth permanent magnet material
Material superposition is formed, and with gyromagnetic ferrite temperature coefficient additional bias field closely, gyromagnetic ferrite is carried out temperature benefit
Repay；Utilize temperature-compensating sheet external biasing magnetic field to carry out temperature-compensating, thus with multi-step temperature compensation way, expand assembly
Normal working temperature scope.
2. by matching network, the lumped parameter circulator that 2 use ferrite film technology to be formed is attached, real
Show lumped parameter design and distributed constant design has combined, with less space, it is achieved that carrying of assembly radio-frequency ability to bear
High, the reduction of standing-wave ratio, and be effectively isolated for providing between frequency range each in assembly, improve capacity of resisting disturbance.
3. by the various combination of SMA-K joint connection mode, it is achieved that organically blending of circulator and isolator, its
Isolation effect is stable, flexibly and frequency span is big for connected mode；The chain structure that the plate that is connected combination is formed, leads to integrated form
The performance of letter channel matches.
4. fixing by upper and lower cavity inner conductors thin film, is advantageously implemented the one metaplasia of cavity and inner wire
Produce, simplified assembly assembling, debugging and attended operation step, improve production efficiency.
Accompanying drawing explanation
Fig. 1 shows the structural representation of this utility model one embodiment.
Fig. 2 shows the structural representation of this utility model functional unit.
Fig. 3 shows inner conductor structure schematic diagram of the present utility model.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, a kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly, by some functions
Unit a is formed by connecting by connecting plate b.It is easy to flexible assembling according to actual needs.
Described functional unit a is rectangular structure.It is easy to connect.
Described functional unit a includes connecting fixing upper cavity 1 and lower chamber 2 by screw, and is embedded in described upper cavity 1
And the inner wire 3 between described lower chamber 2.Be conducive to stablizing the structure of described inner wire 3, thus simplified assembly assembles, debugging
With attended operation step, improve production efficiency.
Described inner wire 3 edge is arc-shaped.Be conducive to making full use of space, in order to reduce assembly volume.
Described inner wire 3 includes unijunction 31 and matching network 32.
Being fitted with ferrite 41, upper bias field 51 and temperature-compensating sheet 6 above described unijunction 31 successively, lower section is successively
It is fitted with lower ferrite 42 and lower bias field 52.Constitute a lumped parameter circulator.
2 described unijunctions 31 are connected by matching network 32.Lumped parameter design and distributed constant design is made to carry out organic
In conjunction with, be conducive to improving assembly radio-frequency ability to bear, reducing standing-wave ratio, in order to for provide between frequency range each in assembly effectively every
From, promote capacity of resisting disturbance.
The structure of 2 described unijunctions 31 of described inner wire 3 is specular.Ensure that signal can be described in above-mentioned 2
The flowing in a predefined manner of each port of unijunction 31, in order to realize circulator function.
Described upper ferrite 41, described upper bias field 51 and described temperature-compensating sheet 6 are fixedly installed on institute by upper cover plate 7
State in upper cavity 1；Described lower ferrite 42 and described lower bias field 52 are fixedly installed in described lower chamber 2 by lower cover 8；
Side plate 9 it is embedded with for sealing described functional unit a between described upper cover plate 7 and described lower cover 8.Be conducive to improving shield effectiveness.
Being provided with SMA-K joint 10 at described side plate 9, described SMA-K joint 10 is connected with described inner wire 3.By described
The various combination of SMA-K joint 10 connection mode, it is achieved circulator and the conversion of isolator.
Described upper ferrite 41 is identical with described lower ferrite 42 material, selects gyromagnetic ferrite material, its saturated magnetization
The temperature coefficient of intensity 4 π Ms is-1600PPM/ DEG C.Described upper bias field 51 and described lower bias field 52 material, structure are homogeneous
With, use ferrite permanent-magnet materials and Nd-Fe-B rare earth permanent magnetic material superposition to constitute, average temperature coefficient be-1500～-
1600PPM/℃.It is easy to form multi-step temperature compensate, with the normal working temperature scope of enlarged component, carries for reduction assembly volume
For supporting.
Elaborate this utility model detailed description of the invention as follows in conjunction with the embodiments:
In the present embodiment, 2 described functional unit a are fixed in described connecting plate b connection, and maximum can be used as 4 isolators
Or 2 circulators.
Line is respectively connected to the described SMA-K joint 10 of 2 at a1 and a2, or 2 described SMA-K joints at a3 and a4
10, this utility model is used as isolator.
Line is respectively connected to the described SMA-K joint 10 of 3 at a1, a2 and a3 or a4, and this utility model is used as circulator.
Claims (9)
1. a chain type radio frequency ferrite circulator, isolator dual-purpose assembly, it is characterised in that led to by some functional units (a)
Cross connecting plate (b) to be formed by connecting；
Described functional unit (a) includes upper cavity (1), lower chamber (2) and is embedded in described upper cavity (1) and described lower chamber
(2) inner wire (3) between；Described inner wire (3) is connected and composed by matching network (32) by 2 unijunctions (31), described list
Knot (31) top is fitted with ferrite (41), upper bias field (51) and temperature-compensating sheet (6) successively, fits successively and set in lower section
There are lower ferrite (42) and lower bias field (52)；Described upper ferrite (41), described upper bias field (51) and described temperature-compensating
Sheet (6) is fixedly installed in described upper cavity (1) by upper cover plate (7), described lower ferrite (42) and described lower bias field
(52) it is fixedly installed in described lower chamber (2) by lower cover (8).
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly the most according to claim 1, it is characterised in that
It is embedded with side plate (9) between described upper cover plate (7) and described lower cover (8) to be used for sealing described functional unit (a).
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly the most according to claim 2, it is characterised in that
Described functional unit (a) is rectangular structure.
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly the most according to claim 1, it is characterised in that
Described upper cavity (1) and described lower chamber (2) connect fixing by screw.
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly the most according to claim 1, it is characterised in that
Described inner wire (3) edge is arc-shaped.
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly the most according to claim 1, it is characterised in that
2 described unijunctions (31) in described inner wire (3) are in specular.
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly the most according to claim 1, it is characterised in that
Described upper ferrite (41) is identical with described lower ferrite (42) material, selects gyromagnetic ferrite material, its saturation magnetization 4
The temperature coefficient of π Ms is-1600PPM/ DEG C.
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly the most according to claim 1, it is characterised in that
Described upper bias field (51) and described lower bias field (52) material, structure are the most identical, use ferrite permanent-magnet materials and neodymium iron boron
Rare earth permanent-magnetic material superposition is constituted, and average temperature coefficient is-1500～-1600PPM/ DEG C.
A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly the most according to claim 2, it is characterised in that
Described side plate (9) place is provided with SMA-K joint (10), and described SMA-K joint (10) is connected with described inner wire (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620732425.6U CN205811026U (en) | 2016-07-13 | 2016-07-13 | A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620732425.6U CN205811026U (en) | 2016-07-13 | 2016-07-13 | A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly |
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| Publication Number | Publication Date |
|---|---|
| CN205811026U true CN205811026U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620732425.6U Active CN205811026U (en) | 2016-07-13 | 2016-07-13 | A kind of chain type radio frequency ferrite circulator, isolator dual-purpose assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192971A (en) * | 2017-07-21 | 2017-09-22 | 上海联影医疗科技有限公司 | Circulator cabinet and circulator components |
| CN108521002A (en) * | 2018-03-30 | 2018-09-11 | 四川蔚宇电气有限责任公司 | Heavy-power circulator shell and heavy-power circulator |
-
2016
- 2016-07-13 CN CN201620732425.6U patent/CN205811026U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192971A (en) * | 2017-07-21 | 2017-09-22 | 上海联影医疗科技有限公司 | Circulator cabinet and circulator components |
| CN107192971B (en) * | 2017-07-21 | 2023-08-18 | 上海联影医疗科技股份有限公司 | Circulator cabinet and circulator assembly |
| CN108521002A (en) * | 2018-03-30 | 2018-09-11 | 四川蔚宇电气有限责任公司 | Heavy-power circulator shell and heavy-power circulator |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |