CN108899625A - A kind of ultra-wideband electric bridge - Google Patents
A kind of ultra-wideband electric bridge Download PDFInfo
- Publication number
- CN108899625A CN108899625A CN201810669849.6A CN201810669849A CN108899625A CN 108899625 A CN108899625 A CN 108899625A CN 201810669849 A CN201810669849 A CN 201810669849A CN 108899625 A CN108899625 A CN 108899625A
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- CN
- China
- Prior art keywords
- coupling part
- connector
- transmission conductor
- ultra
- electric bridge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
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Abstract
The invention discloses a kind of ultra-wideband electric bridges,Including the internal shell with coupler,The side side wall of shell is equipped with the first connector and the second connector,The opposite other side side wall of shell is equipped with third connector and the 4th connector,The first transmission conductor and the second transmission conductor arranged in a crossed manner are equipped in coupler,The both ends of first transmission conductor are connected with the first connector and third connector respectively,The both ends of second transmission conductor are connected with the second connector and the 4th connector respectively,First transmission conductor includes connected the first coupling part and the second coupling part,Second transmission conductor includes connected third coupling part and the 4th coupling part,Along the direction of signal transmission,The distance between the center line of first coupling part and the center line of third coupling part first reduce to be increased afterwards,The distance between the center line of the center line of second coupling part and the 4th coupling part first reduces to be increased afterwards.Therefore, compared with prior art, the present invention has the advantages that working band is wide.
Description
Technical field
The present invention relates to electronic components, and in particular to a kind of ultra-wideband electric bridge.
Background technique
Microwave cavity class device is widely applied in microwave communication, have be lost small, the high and low intermodulation characteristic of resistance to power,
The features such as stability is high.Cavity class device includes cavity coupler, chamber power divider, cavity body filter, cavity bridge etc..Its
In, electric bridge is wherein important passive component, main function be the signal in microwave telecommunication system is carried out branch, combining and
Synthesis etc..Electric bridge generally comprises shell, connector, transmission conductor etc., wherein two transmission conductors in electric bridge are located at upper and lower two
In plane, signal is inputted through two connector of electric bridge when work, after the distribution of ability constant amplitude, is exported by other two-port, thus real
Existing signal power constant amplitude output.
For existing electric bridge from output is input to, the coefficient of coup is constant, causes working band narrow.Therefore, it is necessary to propose one
The new technical solution of kind.
Summary of the invention
The present invention proposes a kind of ultra-wideband electric bridge, solves the problems, such as that working band of the existing technology is narrow.
To achieve the goals above, the technical scheme is that：A kind of ultra-wideband electric bridge, including it is internal with coupler
Shell, the side side wall of the shell is equipped with the first connector and the second connector, the opposite other side of the shell
Side wall is equipped with third connector and the 4th connector, is equipped with the first transmission conductor and second arranged in a crossed manner in the coupler
Transmission conductor, the both ends of first transmission conductor are connected with first connector and third connector respectively, and described second
The both ends of transmission conductor are connected with second connector and the 4th connector respectively, and first transmission conductor includes connected
First coupling part and the second coupling part, second transmission conductor include connected third coupling part and the 4th coupling part, described
First coupling part and third coupling part or so are opposite, and the 4th coupling part and the second coupling part are opposite up and down, transmit along signal
Direction, the distance between the center line of first coupling part and the center line of third coupling part first reduce to be increased afterwards, described
The distance between the center line of the center line of second coupling part and the 4th coupling part first reduces to be increased afterwards.
Preferably, the shell includes enclosure body and upper cover, and the upper cover lid closes in the enclosure body.
It preferably, further include insulating supporting item, the insulating supporting item is fitted in first transmission conductor and second and passes
Between conductor department and the inside bottom wall of the enclosure body.
Preferably, the table wall of the insulating supporting item is connected with the inside bottom wall of the enclosure body by pasting.
Preferably, at least one circle sealed groove is offered in enclosure body contact face opposite with upper cover, it is described
Seal washer is pressed in sealed groove.
Preferably, the material of the seal washer is silicon rubber.
Compared with prior art, present invention tool has the advantage that：In ultra-wideband electric bridge proposed by the present invention, the first transmission is led
Body includes connected the first coupling part and the second coupling part, and the second transmission conductor includes connected third coupling part and the 4th coupling
Portion, the first coupling part and third coupling part or so are opposite, and the 4th coupling part and the second coupling part are opposite up and down, along signal transmission
Direction, the distance between the center line of the first coupling part and the center line of third coupling part first reduce to be increased afterwards, the second coupling part
Center line and the distance between the center line of the 4th coupling part first reduce and increase afterwards.In this way close to the first coupling part and third
The both ends of coupling part, that is, the part at the center far from the first coupling part and third coupling part, the distance between center line is big,
The coefficient of coup is small, and in the part of the first coupling part and third coupling part center, the distance between center line is small, the coefficient of coup
Greatly, signal is finally reduced from output, the coefficient of coup is input to by small increase again again, expands the working band of electric bridge in this way；Together
Reason, when signal passes through the second coupling part and four coupling parts, the coefficient of coup is finally reduced again by small increase again, equally expands electricity
The working band of bridge.Therefore, compared with prior art, the present invention has the advantages that working band is wide.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention.
In figure：1-shell, 2-insulating supporting items, the 3-the first connector, the 4-the second connector, 5-third connectors,
6-the four connector, the 7-the first transmission conductor, the 8-the second transmission conductor, 9-seal washers, 11-couplers, 12-shells
Ontology, 13-upper covers, the 71-the first coupling part, 81-third coupling parts, the 82-the four coupling part.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of ultra-wideband electric bridge proposed by the present invention, including the internal shell 1 with coupler 11, shell
1 side side wall is equipped with the first connector 3 and the second connector 4, and the opposite other side side wall of shell 1 connects equipped with third
It connects device 5 and the 4th connector 6, is equipped with the first transmission conductor 7 and the second transmission conductor 8 arranged in a crossed manner in coupler 11, first
The both ends of transmission conductor 7 are connected with the first connector 3 and third connector 5 respectively, and the both ends of the second transmission conductor 8 are respectively with
Two connectors 4 are connected with the 4th connector 6, and two paths of signals is inputted from the first connector 3 and the 4th connector 6, pass by first
Conductor department 7 and the second transmission conductor 8 correspondence are transferred on third connector 5 and the second connector 4, in signal by the first transmission
During conductor 7 and the second transmission conductor 8, part signal can be coupled to from the first transmission conductor 7 on the first transmission conductor 7
On second transmission conductor 8, part signal can be coupled to the first transmission from the secondth transmission conductor 8 and lead on the second transmission conductor 8
On body 7.
First transmission conductor 7 includes connected the first coupling part 71 and the second coupling part (not shown), the second transmission
Conductor 8 includes connected third coupling part 81 and the 4th coupling part 82, and the first coupling part 71 is opposite with third coupling part 81 or so,
4th coupling part 82 and the second coupling part are opposite up and down, along the direction of signal transmission, the center line and third of the first coupling part 71
The distance between the center line of coupling part 81 first reduces to be increased afterwards, the center of the center line of the second coupling part and the 4th coupling part 82
The distance between line first reduces and increases afterwards.In this way at the both ends close to the first coupling part 71 and third coupling part 81, that is, far
The part at the center from the first coupling part 71 and third coupling part 81, the distance between center line are big, and the coefficient of coup is small, and the
The part at the center of one coupling part 71 and third coupling part 81, the distance between center line is small, and the coefficient of coup is big, and signal is from input
To output, the coefficient of coup is finally reduced again by small increase again, expands the working band of electric bridge in this way；Similarly, signal is by the
When two coupling parts and four coupling parts 82, the coefficient of coup is finally reduced again by small increase again, equally expands the work frequency of electric bridge
Band.
As shown in Figure 1, shell 1 includes enclosure body 12 and upper cover 13 in the present embodiment, the lid of upper cover 13 is closed in enclosure body
On 12.It further include insulating supporting item 2, insulating supporting item 2 is fitted in the first transmission conductor 7 and the second transmission conductor 8 and shell sheet
Between the inside bottom wall of body 12.Insulating supporting item 2 is just fixed in this way, and fixed form is simple and convenient.
As shown in Figure 1, the table wall of insulating supporting item 2 and the inside bottom wall of enclosure body 12 pass through stickup in the present embodiment
It is connected.This further enhances the fixed effects of insulating supporting item 2.Even if after being used for a long time, insulating supporting item 2 is not allowed yet
Easily split away off from the bottom wall of shell 1.
As shown in Figure 1, in order to enhance the sealing water proof and dust proof performance of enclosure body 12 Yu 13 junction of upper cover, the present embodiment
In, at least one circle sealed groove (not shown), this reality are offered in enclosure body 12 and the opposite contact face of upper cover 13
It applies in example, the number of sealed groove is a circle.Seal washer 9 is pressed in sealed groove.The material of seal washer 9 can be silicon
Rubber or polyvinyl chloride, in the present embodiment, the material of seal washer 9 is silicon rubber.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of ultra-wideband electric bridge, which is characterized in that there is the shell (1) of coupler (11) including inside, the shell (1)
Side side wall is equipped with the first connector (3) and the second connector (4), sets on the opposite other side side wall of the shell (1)
There are third connector (5) and the 4th connector (6), is equipped with the first transmission conductor (7) arranged in a crossed manner in the coupler (11)
With the second transmission conductor (8), the both ends of first transmission conductor (7) are connect with first connector (3) and third respectively
Device (5) be connected, the both ends of second transmission conductor (8) respectively with second connector (4) and the 4th connector (6) phase
Even, first transmission conductor (7) includes connected the first coupling part (71) and the second coupling part, second transmission conductor
It (8) include connected third coupling part (81) and the 4th coupling part (82), first coupling part (71) and third coupling part
(81) left and right is opposite, and the 4th coupling part (82) and the second coupling part are opposite up and down, along the direction that signal transmits, described first
The distance between the center line of the center line of coupling part (71) and third coupling part (81) first reduces to be increased afterwards, second coupling
The distance between the center line of the center line in portion and the 4th coupling part (82) first reduces to be increased afterwards.
2. ultra-wideband electric bridge according to claim 1, it is characterised in that：The shell (1) include enclosure body (12) and
Upper cover (13), upper cover (13) lid close on the enclosure body (12).
3. ultra-wideband electric bridge according to claim 2, it is characterised in that：It further include insulating supporting item (2), the insulation branch
Stay (2) is fitted in the inside bottom wall of first transmission conductor (7) and the second transmission conductor (8) and the enclosure body (12)
Between.
4. ultra-wideband electric bridge according to claim 3, it is characterised in that：The table wall of the insulating supporting item (2) with it is described
The inside bottom wall of enclosure body (12) is connected by pasting.
5. according to ultra-wideband electric bridge described in claim 2-4 any one, it is characterised in that：The enclosure body (12) with
At least one circle sealed groove is offered in upper cover (13) opposite contact face, is pressed with seal washer in the sealed groove
(9)。
6. ultra-wideband electric bridge according to claim 5, it is characterised in that：The material of the seal washer (9) is silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669849.6A CN108899625A (en) | 2018-06-26 | 2018-06-26 | A kind of ultra-wideband electric bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669849.6A CN108899625A (en) | 2018-06-26 | 2018-06-26 | A kind of ultra-wideband electric bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108899625A true CN108899625A (en) | 2018-11-27 |
Family
ID=64345987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810669849.6A Pending CN108899625A (en) | 2018-06-26 | 2018-06-26 | A kind of ultra-wideband electric bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108899625A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2045869A1 (en) * | 2007-10-02 | 2009-04-08 | Rohde & Schwarz GmbH & Co. KG | Directional coupler |
| CN201503907U (en) * | 2009-09-15 | 2010-06-09 | 杭州紫光网络技术有限公司 | Asymmetric parallel coupling broadband cavity bridge |
| CN201655946U (en) * | 2010-03-29 | 2010-11-24 | 摩比天线技术（深圳）有限公司 | Wideband cavity coupler |
| CN202275912U (en) * | 2011-09-08 | 2012-06-13 | 安徽四创电子股份有限公司 | High performance broadband cavity bridge |
-
2018
- 2018-06-26 CN CN201810669849.6A patent/CN108899625A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2045869A1 (en) * | 2007-10-02 | 2009-04-08 | Rohde & Schwarz GmbH & Co. KG | Directional coupler |
| CN201503907U (en) * | 2009-09-15 | 2010-06-09 | 杭州紫光网络技术有限公司 | Asymmetric parallel coupling broadband cavity bridge |
| CN201655946U (en) * | 2010-03-29 | 2010-11-24 | 摩比天线技术（深圳）有限公司 | Wideband cavity coupler |
| CN202275912U (en) * | 2011-09-08 | 2012-06-13 | 安徽四创电子股份有限公司 | High performance broadband cavity bridge |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |