CN206379450U - Two-band radio frequency signal transmission line - Google Patents
Two-band radio frequency signal transmission line Download PDFInfo
- Publication number
- CN206379450U CN206379450U CN201621290043.9U CN201621290043U CN206379450U CN 206379450 U CN206379450 U CN 206379450U CN 201621290043 U CN201621290043 U CN 201621290043U CN 206379450 U CN206379450 U CN 206379450U
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- China
- Prior art keywords
- transmission line
- radiofrequency signal
- radio frequency
- metal
- cavity
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- 230000008054 signal transmission Effects 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 239000003989 dielectric material Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Aerials With Secondary Devices (AREA)
Abstract
The utility model proposes a kind of two-band radio frequency signal transmission line, it is desirable to provide a kind of simple in construction, easy processing, the transmission line structure of two frequency range radiofrequency signal simultaneous transmissions can be realized.The utility model is achieved by following proposal：Metal level (2) is provided with outer dielectric layer (1) inner surface, outer dielectric layer (1) cladding metal level (2), metal level (2) is formed with hollow cavity, hollow metal layer cavity is by the energy coupling of radiofrequency signal in external agency layer region and metal layer itself region, the radiofrequency signal of two different frequency ranges is transmitted by metal inside hollow cavity and outer dielectric layer respectively, the radiofrequency signal of two different frequency ranges of simultaneous transmission.The utility model solves the problem of prior art radio frequency signal transmission line structure is only capable of transmitting the radiofrequency signal of same frequency range.
Description
Technical field
The utility model, which is related to, a kind of can realize the transmission line structure of multi-frequency band radio-frequency signal simultaneous transmission.
Background technology
The transmission of radiofrequency signal depends on transmission line, thus transmission line research for how to realize that radiofrequency signal is effectively passed
It is defeated extremely important, and transmission line is the basis for designing radio-frequency unit and system, and it effectively can be passed to radiofrequency signal
It is defeated, while reducing the transmission loss of signal.The transmission line structure form of current transmission radiofrequency signal generally has：Coaxial line, metal
Waveguide, microstrip line etc..
Radio-frequency transmission line has following three kinds of forms:
The first kind:Two conductor transmission line, is made up of, also known as TEM ripples transmission line two or more than two parallel conductors.It is main
To include parallel wire, coaxial line, strip line and microstrip line etc..
Equations of The Second Kind:Waveguide:The metallic waveguide of uniform filled media, electromagnetic wave is propagated in pipe, mainly including square wave
Lead, circular waveguide, ridge waveguide and elliptical waveguide.
3rd class:Dielectric line:Electromagnetic wave is propagated along transmission line surface, and be otherwise known as surface wave guide, mainly includes
Medium Wave Guide, image line and single surface duct.
Radiofrequency signal effectively can be transmitted by these transmission lines, while having relatively low transmission loss.But these
Radio-frequency transmission line all has one problem of identical, it is impossible to the radiofrequency signal of simultaneous transmission different frequency range.In order to solve currently to penetrate
Frequency transmission line can not simultaneous transmission different frequency range radiofrequency signal the problem of, the utility model proposes a kind of two-band radio frequency letter
Number transmission line,
Utility model content
The utility model purpose be for current radio frequency transmission line can not the radiofrequency signal of simultaneous transmission different frequency range ask
There is provided one kind is simple in construction for topic, it is easy to which processing realizes that electromagnetic energy degree of screening is high, can realize multi-frequency band radio-frequency signal simultaneously
The plane multi-frequency band radio-frequency transmission line structure of transmission.The transmission line structure can realize multi-frequency band radio-frequency signal simultaneous transmission, and
It can realize that plane is interconnected, so that the utilization rate of radio-frequency line is improved, while saving cost.
Above-mentioned purpose of the present utility model can be achieved by the following technical programs, and a kind of two-band radiofrequency signal is passed
Defeated line, includes the outer dielectric layer 1 of cladding metal level 2, it is characterised in that：Metal level 2 is formed with hollow cavity, hollow metal layer cavity
By the energy coupling of radiofrequency signal in external agency layer region and metal level conductive region, the radio frequency letter of two different frequency ranges
Number transmitted respectively by the hollow cavity of metal level 2 and outer dielectric layer 1, the radiofrequency signal of two different frequency ranges of simultaneous transmission.
The utility model has the advantages that compared to prior art：
It is simple in construction, it is easy to process.The utility model table and inner metal layer 2 in outer dielectric layer 1 constitute two-band and penetrated
Frequency signal transmssion line, its China and foreign countries' dielectric layer can be constituted with the dielectric material of differing dielectric constant.Relative to existing frequently-used
Radio-frequency transmission line, such as coaxial line, metal waveguide, microstrip line, co-planar waveguide be guided wave structure, the utility model is simple in construction,
It is easy to process, and can realize two different frequency range radiofrequency signal simultaneous transmissions, thus solve current radio frequency transmission line without
The problem of radiofrequency signal of method simultaneous transmission different frequency range.
Electromagnetic energy degree of screening is high.The energy efficient of radiofrequency signal is coupled in medium by the outer dielectric layer of the utility model
In portion region, radiation loss of the radiofrequency signal in exterior space is reduced.Simultaneously can be to another in metal layer itself cavity
The radiofrequency signal of frequency range is transmitted, due to the shielding action of metallic cavity, will not between the radiofrequency signal of two different frequency ranges
The problem of interfering with each other.In actual applications, different dielectric materials can be selected according to the frequency range of transmitting radio frequency signal
With the size of interior metal cavity.
The utility model is provided with metal level 2 in the outer inner surface of dielectric layer 1, and external radio-frequency signal passes through external insulation dielectric layer 1
The internal cavity of metal level 2 difference transmitting radio frequency signal is neutralized, multi-frequency band radio-frequency signal simultaneous transmission is realized.The utility model is solved
The problem of prior art radio frequency signal transmission line structure is only capable of transmitting the radiofrequency signal of same frequency range, and can realize that plane is mutual
Even.Two-band radio frequency signal transmission line can realize superpower multi-frequency band radio-frequency signal shielding characteristic, be particularly suitable for use in simultaneous transmission
The radiofrequency signal of different frequency range, can realize that plane is interconnected, and can effectively strengthen the utilization rate of radio-frequency line, effectively reduce into
This.
Brief description of the drawings
Fig. 1 is the vertical section front view of two-band radio frequency signal transmission line one embodiment described in the utility model.
Fig. 2 is Fig. 1 left view.
Fig. 3 is the vertical section front view of second embodiment of the utility model.
Fig. 4 is Fig. 3 left view.
In figure：1 is outer dielectric layer, and 2 be inner metal layer.
Embodiment
In one embodiment shown in Fig. 1, Fig. 2, a kind of two-band radio frequency signal transmission line, including the He of outer dielectric layer 1
Inner metal layer 2, it is characterised in that：Metal level 2 is provided with the outer inner surface of dielectric layer 1, outer dielectric layer 1 coats metal level 2, metal
Layer 2 is formed with hollow cavity, and hollow metal layer cavity is by the energy coupling of radiofrequency signal in external agency layer region and metal level
In interior zone, the radiofrequency signal of two different frequency ranges is transmitted by metal inside hollow cavity and outer dielectric layer respectively, together
When transmit two different frequency ranges radiofrequency signal.The two-band radio frequency signal transmission line exists seldom in transmission line exterior circumferential
Radiation field, energy of electromagnetic field is propagated by outer dielectric layer 1 with the hollow metal cavity inside metal level 2, electromagnetic energy quilt
External agency layer is fettered, and the hollow metal cavity inside metal level 2 can be transmitted to the radiofrequency signal of another frequency range, because
This is capable of the radiofrequency signal of simultaneous transmission different frequency range, can realize that plane is interconnected, and can effectively strengthen the use of radio-frequency line
Rate, effectively reduces cost.Simultaneously because the shielding action of metallic cavity, in actual applications, external insulation dielectric layer 1 can bases
The frequency range of transmitting radio frequency signal, selects the dielectric material of different medium constant and the size of interior metal cavity.Inside metal level 2
Hollow metal cavity as radio signal transmission structure, its transmission main mould is identical with standard rectangular waveguide.Two-band radio frequency
Signal transmssion line is rectangular cavities, hollow metal layer rectangular cavities.
In one embodiment shown in Fig. 3, Fig. 4, two-band radio frequency signal transmission line is round, hollow metal layer chamber
The cavity body that body can be set to metal level 2 is cuboid or cylinder.
The utility model specific implementation can use following steps：
Required first according to working frequency range, determine frequency passband, select suitable outer media material and interior metal chamber
Body it is large-scale, using microwave circuit CASE(Computer Aided Software Engineering), set up the guided wave structure of Fig. 1, the transmission characteristic design needed for setting
Target, by the Optimized Program of software, so that it is determined that each unit linear electrical parameter.
Claims (5)
1. a kind of two-band radio frequency signal transmission line, including cladding metal level（2）Outer dielectric layer（1）, it is characterised in that：Metal
Layer（2）Hollow cavity is formed with, hollow metal layer cavity is by the energy coupling of radiofrequency signal in external agency layer region and metal
In layer conductive region, the radiofrequency signal of two different frequency ranges passes through metal level respectively（2）Hollow cavity and outer dielectric layer（1）Pass
It is defeated, the radiofrequency signal of two different frequency ranges of simultaneous transmission.
2. two-band radio frequency signal transmission line as claimed in claim 1, it is characterised in that：Described hollow cavity is cuboid
Or cylinder.
3. two-band radio frequency signal transmission line as claimed in claim 1, it is characterised in that：Outer dielectric layer（1）Penetrated according to transmission
The frequency range of frequency signal, selects the dielectric material and size of different medium constant.
4. two-band radio frequency signal transmission line as claimed in claim 1, it is characterised in that：Hollow metal cavity is believed as radio frequency
Number transmission structure, its transmission main mould is identical with standard waveguide.
5. two-band radio frequency signal transmission line as claimed in claim 1, it is characterised in that：Electromagnetic energy is by outer dielectric layer（1）
Fettered, metal level（2）Hollow metal cavity is transmitted to the radiofrequency signal of another frequency range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621290043.9U CN206379450U (en) | 2016-11-26 | 2016-11-26 | Two-band radio frequency signal transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621290043.9U CN206379450U (en) | 2016-11-26 | 2016-11-26 | Two-band radio frequency signal transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206379450U true CN206379450U (en) | 2017-08-04 |
Family
ID=59405330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621290043.9U Expired - Fee Related CN206379450U (en) | 2016-11-26 | 2016-11-26 | Two-band radio frequency signal transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206379450U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281742A (en) * | 2018-01-17 | 2018-07-13 | 上海阖煦微波技术有限公司 | Exempt to inflate elliptical waveguide and preparation method thereof |
| CN110380176A (en) * | 2019-08-10 | 2019-10-25 | 江苏俊知技术有限公司 | Complex copper strata vinyl chloride waveguide feeder and its manufacturing method |
| CN113594114A (en) * | 2020-04-30 | 2021-11-02 | 深圳第三代半导体研究院 | Semiconductor insulating heat conducting device structure and preparation method |
| CN114552155A (en) * | 2022-04-25 | 2022-05-27 | 电子科技大学成都学院 | Dual-mode transmission line |
-
2016
- 2016-11-26 CN CN201621290043.9U patent/CN206379450U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281742A (en) * | 2018-01-17 | 2018-07-13 | 上海阖煦微波技术有限公司 | Exempt to inflate elliptical waveguide and preparation method thereof |
| CN110380176A (en) * | 2019-08-10 | 2019-10-25 | 江苏俊知技术有限公司 | Complex copper strata vinyl chloride waveguide feeder and its manufacturing method |
| CN110380176B (en) * | 2019-08-10 | 2024-03-22 | 江苏俊知技术有限公司 | Composite copper layer polyvinyl chloride waveguide feeder line and manufacturing method thereof |
| CN113594114A (en) * | 2020-04-30 | 2021-11-02 | 深圳第三代半导体研究院 | Semiconductor insulating heat conducting device structure and preparation method |
| CN113594114B (en) * | 2020-04-30 | 2023-01-10 | 深圳第三代半导体研究院 | Semiconductor insulating heat conducting device structure and preparation method thereof |
| CN114552155A (en) * | 2022-04-25 | 2022-05-27 | 电子科技大学成都学院 | Dual-mode transmission line |
| CN114552155B (en) * | 2022-04-25 | 2022-07-05 | 电子科技大学成都学院 | Dual-mode transmission line |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 |