CN207868364U - A kind of lumped parameter circulator - Google Patents
A kind of lumped parameter circulator Download PDFInfo
- Publication number
- CN207868364U CN207868364U CN201721920640.XU CN201721920640U CN207868364U CN 207868364 U CN207868364 U CN 207868364U CN 201721920640 U CN201721920640 U CN 201721920640U CN 207868364 U CN207868364 U CN 207868364U
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- magnetic conduction
- lumped parameter
- circulator
- cover board
- parameter circulator
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Abstract
The utility model is related to electronic communication fields, more particularly to a kind of lumped parameter circulator, it provides a kind of lumped parameter circulator, the magnetic conduction cover board of the magnetic conduction cavity is closed including magnetic conduction cavity, lid, the magnetic conduction cavity is interior by having stacked gradually Al-Ni-Co permanent magnet, upper ferrite substrate, sheet center conductor, printed board and lower ferrite substrate close to a side for being laterally away from magnetic conduction cover board of magnetic conduction cover board.On the one hand the utility model carries out closed one with the pellet parts that magnetic conduction cover board stacks inside using magnetic conduction cavity and installs, can not only improve the magnetic circuit making capacity of circulator, also reduce the volume of circulator；On the other hand the structure for being added independent pad using whole printed board, is substantially increased the reliability of welding, can also increase the integrated level of product, realize miniaturization.
Description
Technical field
The utility model is related to electronic communication fields, and in particular to a kind of lumped parameter circulator.
Background technology
Lumped parameter circulator be it is a kind of can be down to the circulator more than 10MHz frequencies to work, it is in microwave frequency
Low side occupy especially important status, be suitable for miniaturization electronic equipment.The principle of circulator one-way transmission, be by
In using ferrite gyromagnetic material.This material generates rotation under external high-frequency wave field and Constant Direct Current magnetic field collective effect
Magnetic characteristic.Exactly this gyromagnet characteristic makes the electromagnetic wave propagated in ferrite that polarized rotation and electromagnetic wave energy occur
Strong to absorb, circulator exactly utilizes this gyromagnet phenomenon.It has the characteristics that small, bandwidth, Insertion Loss are small, thus applies
It is very extensive.
Existing lumped parameter circulator uses the ceramic condenser with lead and enameled wire wire-wound inductor in structure, utilizes
The solid space of cavity realizes miniaturization, but the device of this mode is in reliability and bad；Especially in mechanical oscillation, electricity
Short circuit is easy between sense and capacitance, it is also possible to lead be caused to fracture.
Utility model content
The utility model is to overcome the problems, such as that integration degree existing for previous circulator, reliability are insufficient.
Technical solution adopted by the utility model to solve its technical problems is：A kind of lumped parameter circulator is provided, is wrapped
Include magnetic conduction cavity, lid closes the magnetic conduction cover board of the magnetic conduction cavity, by close to the one lateral remote of magnetic conduction cover board in the magnetic conduction cavity
Side from magnetic conduction cover board stacked gradually Al-Ni-Co permanent magnet, upper ferrite substrate, sheet center conductor, printed board and under
Ferrite substrate.
Further, the sheet center conductor is multilayer architecture, is provided with polytetrafluoroethylene film between layers.
Further, the Al-Ni-Co permanent magnet is positioned and is fixed by the hole that magnetic conduction cover board lower surface processes.
Further, it is additionally provided with cover clamp in the magnetic conduction cavity, the cover clamp is by screw by upper ferrite base
Piece, sheet center conductor, polytetrafluoroethylene film are fixed in printed board.
Further, the printed board is fixed on by screw on the magnetic conduction cavity.
Further, the center opening of the printed board, surrounding are provided with independent pad.
Further, the lower ferrite substrate is fixed in the deep hole of magnetic conduction cavity bottom processing.
Further, each port of the lumped parameter circulator has been connected respectively glass insulator.
The utility model has the beneficial effects that：On the one hand the sheet device stacked inside with magnetic conduction cover board using magnetic conduction cavity
Part carries out closed one installation, can not only improve the magnetic circuit making capacity of circulator, also reduce the volume of circulator；It is another
Aspect adds the structure of independent pad using whole printed board, increases the use of SMD components, substantially increases the reliable of welding
Property, it can also increase the integrated level of product, realize miniaturization.
Description of the drawings
Fig. 1 is a kind of lumped parameter circulator structural schematic diagram of the utility model；
Reference numeral：1- magnetic conduction cover boards, 2- Al-Ni-Co permanent magnets, 3- cover clamps, the upper ferrite substrates of 4-, the first synusia of 5-
Shape center conductor, 6- first layer polytetrafluoroethylene films, the upper layers 7- copper packing, 8- the second lamellar center conductors, the second stratas of 9-
Tetrafluoroethene film, 10- third lamellar center conductors, 11- printed boards, 12- lower layers copper packing, ferrite substrate under 13-, 14-
Magnetic conduction cavity, 15- glass insulators.
Specific implementation mode
The utility model is described in further detail with reference to specific embodiment, but the embodiment party of the utility model
Formula is without being limited thereto.
As shown in Figure 1, technical solution adopted by the utility model to solve its technical problems is：A kind of lumped parameter is provided
Circulator, including magnetic conduction cavity 14, lid close the magnetic conduction cover board 1 of the magnetic conduction cavity 14, are led by close in the magnetic conduction cavity 14
The side that the one of magnetic cover board is laterally away from magnetic conduction cover board has stacked gradually Al-Ni-Co permanent magnet 2, cover clamp 3, upper ferrite substrate
4, the first lamellar center conductor 5, first layer polytetrafluoroethylene film 6, upper layer copper packing 7, the second lamellar center conductor 8, the
Two layers of polytetrafluoroethylene film 9, third lamellar center conductor 10, printed board 11, lower layer's copper packing 12, lower ferrite substrate 13.
The pellet parts for being stacked inside using magnetic conduction cavity and magnetic conduction cover board are carried out closed one and installed, and circulator can not only be improved
Magnetic circuit making capacity, also reduce the volume of circulator.
Wherein, the sheet center conductor is multilayer architecture, is provided with polytetrafluoroethylene film between layers；It is described
Cover clamp 3 is by screw by upper ferrite substrate 4, the first lamellar center conductor 5, first layer polytetrafluoroethylene film 6, upper layer
Copper packing 7, the second lamellar center conductor 8, second layer polytetrafluoroethylene film 9, third lamellar center conductor 10 are fixed on print
Making sheet 11.
Wherein, the end face of the magnetic conduction cavity 14 offers threaded hole, and the printed board 11 passes through screw and the threaded hole
Cooperation be fixedly connected with magnetic conduction cavity 14.
In addition, the center opening of the printed board 11, surrounding is provided with independent pad, the independent pad for weld around
Line inductance, patch capacitor, sheet center conductor and glass insulator.Add the structure of independent pad using whole printed board, significantly
The reliability of welding is improved, the integrated level of product can be also increased, realizes miniaturization.
Wherein, the lower ferrite substrate 13 is fixed in the deep hole of 14 bottom of magnetic conduction cavity processing.
Wherein, there are three ports for the lumped parameter circulator, and each port has been connected respectively glass insulator 15.
Using above scheme, the utility model solves previous lumped parameter circulator and uses the pottery with lead in structure
Porcelain capacitance and enameled wire wire-wound inductor, caused by reliability it is bad；What easily short-circuit and lead fractureed between inductance and capacitance asks
Topic；Simultaneously using whole stacking assembly, reliability of structure is substantially increased.
Claims (8)
1. a kind of lumped parameter circulator, including magnetic conduction cavity, lid close the magnetic conduction cover board of the magnetic conduction cavity, it is characterised in that：
In the magnetic conduction cavity by close to a side for being laterally away from magnetic conduction cover board of magnetic conduction cover board stacked gradually Al-Ni-Co permanent magnet,
Upper ferrite substrate, sheet center conductor, printed board and lower ferrite substrate.
2. lumped parameter circulator as described in claim 1, it is characterised in that：The sheet center conductor is multiple field knot
Structure is provided with polytetrafluoroethylene film between layers.
3. lumped parameter circulator as described in claim 1, it is characterised in that：The Al-Ni-Co permanent magnet passes through magnetic conduction cover board
The hole of lower surface processing is positioned and is fixed.
4. lumped parameter circulator as claimed in claim 2, it is characterised in that：It is additionally provided with gland in the magnetic conduction cavity
Upper ferrite substrate, sheet center conductor, polytetrafluoroethylene film are fixed on printed board by plate, the cover clamp by screw
On.
5. lumped parameter circulator as described in claim 1, it is characterised in that：The printed board is fixed on described by screw
On magnetic conduction cavity.
6. lumped parameter circulator as described in claim 1, it is characterised in that：The center opening of the printed board, surrounding are set
It is equipped with independent pad.
7. lumped parameter circulator as described in claim 1, it is characterised in that：The lower ferrite substrate is fixed on magnetic conduction chamber
In the deep hole of body bottom processing.
8. lumped parameter circulator as described in claim 1, it is characterised in that：Each port of the lumped parameter circulator
It has been connected respectively glass insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920640.XU CN207868364U (en) | 2017-12-29 | 2017-12-29 | A kind of lumped parameter circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920640.XU CN207868364U (en) | 2017-12-29 | 2017-12-29 | A kind of lumped parameter circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207868364U true CN207868364U (en) | 2018-09-14 |
Family
ID=63464273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920640.XU Active CN207868364U (en) | 2017-12-29 | 2017-12-29 | A kind of lumped parameter circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207868364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113285195A (en) * | 2021-06-11 | 2021-08-20 | 中电科技德清华莹电子有限公司 | Lumped parameter circulator and isolator |
| CN113555655A (en) * | 2021-09-03 | 2021-10-26 | 南京机电职业技术学院 | Lumped parameter circulator |
-
2017
- 2017-12-29 CN CN201721920640.XU patent/CN207868364U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113285195A (en) * | 2021-06-11 | 2021-08-20 | 中电科技德清华莹电子有限公司 | Lumped parameter circulator and isolator |
| CN113555655A (en) * | 2021-09-03 | 2021-10-26 | 南京机电职业技术学院 | Lumped parameter circulator |
| CN113555655B (en) * | 2021-09-03 | 2022-09-02 | 南京机电职业技术学院 | Lumped parameter circulator |
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