CN209232926U - Coaxial coupler - Google Patents
Coaxial coupler Download PDFInfo
- Publication number
- CN209232926U CN209232926U CN201821953121.8U CN201821953121U CN209232926U CN 209232926 U CN209232926 U CN 209232926U CN 201821953121 U CN201821953121 U CN 201821953121U CN 209232926 U CN209232926 U CN 209232926U
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- inner conductor
- hole
- main transmission
- transmission line
- insulator
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Abstract
The utility model discloses a kind of coaxial couplers, inner conductor one including main transmission line shell and its internal coaxial arrangement, with the coupling output housing of the periphery vertical connection of main transmission line shell and its inner conductor two of internal coaxial arrangement, the both ends of the main transmission line shell are provided with connector one, the end of the coupling output housing is provided with connector two, it further include inner conductor three, the inner cavity of the main transmission line shell is coupled at least there are two insulator, the center of the insulator offers the through-hole one cooperated with conductor one, the insulator is also provided with through-hole two in the side of through-hole, the inner conductor three is connect with through-hole two, the inner conductor two is vertical with inner conductor two to be connect, increase inner conductor three not contact with inner conductor one, energy transmission is carried out by coupling, play the coaxial coupler degree of coupling Volt is compared to lower, it can be achieved that higher sound interval, also more excellent on the key indexes such as standing-wave ratio and third order intermodulation.
Description
Technical field
The utility model belongs to field of microwave communication, in particular to a kind of coaxial coupler.
Background technique
Strip line directional coupler distributes or synthesizes in specific proportions power for microwave signal, is in microwave technical field
One of most common element, generally based on media filler strip line coupler and air chamber strip line coupler.The prior art
In coaxial coupler, increase by one generally on main transmission line for couple the component of output, so that realization is from main transmission line
In distribute specific power and exported from another port, input power with couple relationship between output power as the degree of coupling.Together
The characteristics of shaft power coupler, is that structure is simple, load power is big, mutually turns down.But the coupler side of being mostly of existing market
Chamber, it is generally complex at coupling in structure, easily intermodulation, standing-wave ratio are affected greatly in processing at connector interface.
Utility model content
The purpose of this utility model is to provide a kind of coaxial couplers, it is ensured that Standard is convenient, while can be effectively
Improve coupler intermodulation, standing-wave ratio index.
To achieve the goals above, the utility model takes following technical scheme: a kind of coaxial coupler, including main transmission
Line shell and its inner conductor one of internal coaxial arrangement, with the coupling output housing of the periphery vertical connection of main transmission line shell and
Its internal inner conductor two being coaxially disposed, the both ends of the main transmission line shell are provided with connector one, and the coupling is defeated
The end of shell is provided with connector two out, further includes inner conductor three, the inner cavity of the main transmission line shell be coupled to
Few there are two insulator, the center of the insulator offers the through-hole one cooperated with conductor one, and the insulator is leading to
The side in hole one is also provided with through-hole two, and the inner conductor three is connect with through-hole two, the inner conductor two and inner conductor three
Vertical connection.
The periphery of the main transmission line shell offers threaded hole one, the end of the coupling output housing and screw thread
Hole one, which is constituted, to be threadedly coupled, and the spatial position of the threaded hole one is between two adjacent insulators.
The axis parallel of the axial line of the inner conductor three and inner conductor one, the axial line of the inner conductor two with
The axial line of inner conductor three is vertical, and threaded hole two, the end of the inner conductor two and spiral shell are offered on the inner conductor three
Pit two, which is constituted, to be threadedly coupled.
The insulator uses tetrafluoride material.
In above-mentioned technical proposal, coupling output housing and main transmission line shell vertical connection, by columned insulator with
The inner cavity of main transmission line shell, which cooperates, to be fixed, and inner conductor one, inner conductor three are cooperated by through-hole one, through-hole two and insulator respectively
Fixed, the both ends of the contact pin and inner conductor one of connector one are attached, and the both ends of connector one and main transmission line shell carry out
Connection, inner conductor two is vertical with inner conductor three to be connect, and contact pin and the inner conductor two of connector two are attached, connector two
It is attached with the end for coupling output housing, assembly is completed, and realizes inner conductor one and inner conductor three by increasing insulator
It is fixed, increase inner conductor three and do not contacted with inner conductor one, energy transmission is carried out by coupling, the coaxial coupler degree of coupling is made to rise and fall
Compared to lower, it can be achieved that higher sound interval, also more excellent on the key indexes such as standing-wave ratio and third order intermodulation.
Detailed description of the invention
Fig. 1 is the utility model section view；
Fig. 2 is that the utility model does not install inner conductor cross-sectional view；
Fig. 3 is the utility model top view.
Specific embodiment
It is made further instructions in conjunction with 1~3 pair of the utility model of attached drawing:
A kind of coaxial coupler, inner conductor 1 and main transmission including main transmission line shell 1 and its internal coaxial arrangement
The coupling output housing 2 of the periphery vertical connection of line shell 1 and its inner conductor 24 of internal coaxial arrangement, the main transmission
The both ends of line shell 1 are provided with connector 1, and the end of the coupling output housing 2 is provided with connector 2 21, also wraps
Include inner conductor 36, the inner cavity of the main transmission line shell 1 is coupled at least that there are two insulator 5, the insulators 5
Center offer the through-hole 1 cooperated with conductor 1, the insulator 5 is also provided with through-hole in the side of through-hole 1
2 52, the inner conductor 36 is connect with through-hole 2 52, and the inner conductor 24 is vertical with inner conductor 36 to be connect.It couples defeated
Shell 2 and 1 vertical connection of main transmission line shell out cooperate the inner cavity of columned insulator 5 and main transmission line shell 1 solid
Fixed, inner conductor 1, inner conductor 36 are fixed by through-hole 1, through-hole 2 52 and the cooperation of insulator 5 respectively, connector 1
The both ends of contact pin and inner conductor 1 be attached, connector 1 and the both ends of main transmission line shell 1 are attached, and are inside led
Body 24 is vertical with inner conductor 36 to be connect, and contact pin and the inner conductor 24 of connector 2 21 are attached, connector 2 21 with
The end of coupling output housing 2 is attached, and assembly is completed, and realizes inner conductor 1 and inner conductor 36 by increasing insulator 5
Fixation, increase inner conductor 36 do not contacted with inner conductor 1, by coupling progress energy transmission, make the coaxial coupler degree of coupling
It rises and falls compared to lower, it can be achieved that higher sound interval, also more excellent on the key indexes such as standing-wave ratio and third order intermodulation；Contact pin,
Inner conductor 1, inner conductor 24, inner conductor 36 constitute signal path, complete signal transmission, main transmission line shell 1, coupling output
Shell 2, connector 1, connector 2 21 constitute radio frequency signal shield layer, anti-stop signal leakage and crosstalk.
The periphery of the main transmission line shell 1 offers threaded hole 1, the end of the coupling output housing 2 with
Threaded hole 1, which is constituted, to be threadedly coupled, and the spatial position of the threaded hole 1 is between two adjacent insulators 5.Such as figure
1, shown in 2, in embodiment, two insulators 5 are arranged symmetrically at the inner cavity both ends of main transmission line shell 1, in main transmission line shell 1
Middle section position periphery offer threaded hole 12, so that coupling output housing 2 and threaded hole 1, which are constituted, quickly to be connect.
The axial line of the inner conductor 36 and the axis parallel of inner conductor 1, the axle center of the inner conductor 36
Line is vertical with the axial line of inner conductor 1, and threaded hole 2 61 is offered on the inner conductor 36, the inner conductor 24
End is threadedly coupled with the composition of threaded hole 2 61.In order to which the keys such as the standing-wave ratio and the third order intermodulation that more preferably improve coaxial coupler refer to
Mark, so inner conductor 36 and inner conductor 1 are arranged in parallel, inner conductor 24 is directly connect with 36 normal thread of inner conductor, and
It is quickly and expediently installed.
The insulator 5 uses tetrafluoride material.It is good and corrosion-resistant, weather-proof using tetrafluoro insulation performance.
Claims (4)
1. a kind of coaxial coupler, inner conductor one (3) and main biography including main transmission line shell (1) and its internal coaxial arrangement
The coupling output housing (2) of the periphery vertical connection of defeated line shell (1) and its inner conductor two (4) of internal coaxial arrangement, it is described
The both ends of main transmission line shell (1) be provided with connector one (11), the end of the coupling output housing (2) is provided with company
Connect device two (21), it is characterised in that: further include inner conductor three (6), the inner cavity of the main transmission line shell (1) be coupled to
There are two few insulator (5), the center of the insulator (5) offers the through-hole one (51) with conductor one (3) cooperation, described
Insulator (5) be also provided with through-hole two (52) in the side of through-hole one (51), the inner conductor three (6) and through-hole two (52)
Connection, the inner conductor two (4) is vertical with inner conductor three (6) to be connect.
2. coaxial coupler according to claim 1, it is characterised in that: open the periphery of the main transmission line shell (1)
Equipped with threaded hole one (12), the end of the coupling output housing (2) is threadedly coupled with threaded hole one (12) composition, described
The spatial position of threaded hole one (12) is between adjacent two insulators (5).
3. coaxial coupler according to claim 2, it is characterised in that: the axial line of the inner conductor three (6) with it is interior
The axial line of the axis parallel of conductor one (3), the inner conductor two (4) is vertical with the axial line of inner conductor three (6), described
Inner conductor three (6) on offer threaded hole two (61), the end of the inner conductor two (4) and threaded hole two (61) constitute spiral shell
Line connection.
4. coaxial coupler according to claim 1, it is characterised in that: the insulator (5) uses tetrafluoride material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821953121.8U CN209232926U (en) | 2018-11-21 | 2018-11-21 | Coaxial coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821953121.8U CN209232926U (en) | 2018-11-21 | 2018-11-21 | Coaxial coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209232926U true CN209232926U (en) | 2019-08-09 |
Family
ID=67504506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821953121.8U Active CN209232926U (en) | 2018-11-21 | 2018-11-21 | Coaxial coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209232926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024026972A1 (en) * | 2022-08-01 | 2024-02-08 | 江苏亨鑫科技有限公司 | Diode structure-based intermodulation standard part |
-
2018
- 2018-11-21 CN CN201821953121.8U patent/CN209232926U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024026972A1 (en) * | 2022-08-01 | 2024-02-08 | 江苏亨鑫科技有限公司 | Diode structure-based intermodulation standard part |
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