CN206293597U - A kind of high power and high-precision wide-band coupler - Google Patents
A kind of high power and high-precision wide-band coupler Download PDFInfo
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- CN206293597U CN206293597U CN201621351642.7U CN201621351642U CN206293597U CN 206293597 U CN206293597 U CN 206293597U CN 201621351642 U CN201621351642 U CN 201621351642U CN 206293597 U CN206293597 U CN 206293597U
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- radio
- frequency joint
- frequency
- lower chamber
- joint
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Abstract
The utility model discloses a kind of high power and high-precision wide-band coupler, the wide-band coupler includes upper cavity and lower chamber, the lower chamber is removably secured with upper cavity and is connected, the arrival end of the lower chamber is provided with the first radio-frequency joint, the port of export of the lower chamber is provided with the second radio-frequency joint, the lower chamber side is respectively arranged at two ends with the 3rd radio-frequency joint and the 4th radio-frequency joint, main line and by-pass are provided with the lower chamber, the main line is connected with the first radio-frequency joint and the second radio-frequency joint respectively, the by-pass is connected with the 3rd radio-frequency joint and the 4th radio-frequency joint respectively.Bandwidth of the present utility model is relatively wide, the multiple frequency ranges needed for covering communication, bears power greatly, and coupling precision is high, and up to 0.6GHz 3.9GHz, coupling fluctuation is less than ± 1.5dB, and directionality is more than 18dB for frequency range covering.
Description
Technical field
The utility model is related to a kind of coupler, and in particular to a kind of high power and high-precision wide-band coupler.
Background technology
In microwave system, often need for microwave power to be all the way divided into several roads in proportion, here it is power distribution problems.It is real
The element of existing this function is referred to as power distribution component i.e. coupler, mainly includes：Directional coupler, power divider and
Various microwave branches device.
The 1/4 wavelength parallel lines coupler that conventional art is used, by the way of single-stage, this just makes its frequency band be limited due to this
System is limited to by certain, and it is in the form of micro-strip plate, and this also seriously limits the power problem of device.These are resulted in
The power capacity of device is small, frequency coverage is limited.
Utility model content
The utility model is in order to solve the above problems, so as to provide a kind of high power and high-precision wide-band coupler.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of high power and high-precision wide-band coupler, the wide-band coupler include upper cavity and lower chamber, described
Lower chamber is removably secured with upper cavity and is connected, and the arrival end of the lower chamber is provided with the first radio-frequency joint, the lower chamber
The port of export be provided with the second radio-frequency joint, the lower chamber side be respectively arranged at two ends with the 3rd radio-frequency joint and the 4th radio frequency connects
Head, is provided with main line and by-pass in the lower chamber, the main line is connected with the first radio-frequency joint and the second radio-frequency joint respectively, institute
By-pass is stated to be connected with the 3rd radio-frequency joint and the 4th radio-frequency joint respectively.
In a preferred embodiment of the present utility model, the first insulator and first are provided with first radio-frequency joint
Be fixed on first inner wire in the first radio-frequency joint by inner wire, first insulator, first inner wire be provided with
First closing in of main line corresponding matching, one end of the main line can be assigned into the first closing in.
In a preferred embodiment of the present utility model, the first inner wire internal diameter is 3.04mm.
In a preferred embodiment of the present utility model, the second insulator and second are provided with second radio-frequency joint
Be fixed on second inner wire in the second radio-frequency joint by inner wire, second insulator, second inner wire be provided with
Second closing in of main line corresponding matching, the other end of the main line can be assigned into the second closing in.
In a preferred embodiment of the present utility model, the internal diameter of second inner wire is 3.04mm.
In a preferred embodiment of the present utility model, the 3rd radio-frequency joint is located at the first radio-frequency joint side,
The 3rd radio-frequency joint internal diameter is 3.04mm, and the 3rd radio-frequency joint is provided with and is connected with the first of by-pass corresponding matching
Groove.
In a preferred embodiment of the present utility model, the 4th radio-frequency joint is located at the second radio-frequency joint side,
The 4th radio-frequency joint internal diameter is 3.04mm, and the 4th radio-frequency joint is provided with and is connected with the second of by-pass corresponding matching
Groove, matched load is connected with the 4th radio-frequency joint.
The beneficial effects of the utility model are：
Bandwidth of the present utility model is relatively wide, the multiple frequency ranges needed for covering communication, bears power greatly, couples precision
Height, up to 0.6GHz-3.9GHz, coupling fluctuation is less than ± 1.5dB for frequency range covering, and directionality is more than 18dB.
The utility model matches to adjust coupling using between the depth and width of width and height with cavity of major-minor line
The directionality of clutch, makes it be subject to the interference reduction of coupled end standing wave, so as to increase the directionality of device.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is sectional view of the present utility model；
Fig. 2 is the top view of upper cavity.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to high power and high-precision wide-band coupler that Fig. 1 and Fig. 2, the utility model are provided, it includes lower chamber
100 and upper cavity 200.
Lower chamber 100 and upper cavity 200 are provided with directly to be removably secured connection especially by upper cavity 200
Connecting hole, upper cavity 200 and cavity 100 are removably fixedly connected by screw 300 with the cooperation of connecting hole, and in fact
Show the complete and seam between lower chamber 100 and upper cavity 200 and closed completely, improve coupling accuracy.
The first radio-frequency joint 110 is provided with the arrival end of lower chamber 100, the second radio-frequency joint 120 is provided with its port of export,
The 3rd radio-frequency joint 130 and the 4th radio-frequency joint 140 are respectively arranged at two ends with the side of lower chamber 100, are set in lower chamber 100
There are main line 150 and by-pass 160.
The two ends of main line 150 are connected with the first radio-frequency joint 110 and the second radio-frequency joint 120 respectively, by the first radio frequency
Most of power of the radiofrequency signal that joint 110 enters can be transferred to the second radio-frequency joint 120 by main line 150, by second
Radio-frequency joint 120 is exported, and some power can be coupled by by-pass 160.
The first insulator 111 and the first inner wire 112 are provided with first radio-frequency joint 110.
Can be fixed on first inner wire 112 in first radio-frequency joint 110 by the first insulator 111, can be improved and be led in first
The insulating properties of body 112.
First inner wire 112, its internal diameter is 3.04mm, and it is provided with match somebody with somebody corresponding with main line 150 with the connection end of main line 150
The first closing in closed, one end of main line 150 can be assigned into the first closing in, so as to realize tight and the first inner wire 112 between
Close connection, can so reduce the appearance of the discontinuity of impedance, so as to improve the standing-wave ratio of port.
The second insulator 121 and the second inner wire 122 are provided with second radio-frequency joint 120.
Be fixed on second inner wire 122 in second radio-frequency joint 120 by the second insulator 121, can improve the second inner wire
122 insulating properties.
Second inner wire 122, its internal diameter is 3.04mm, and it is provided with match somebody with somebody corresponding with main line 150 with the connection end of main line 150
The second closing in closed, the other end of main line 150 can be assigned into the second closing in, so that with realizing and the second inner wire 122 between
Closely connection, can so reduce the appearance of the discontinuity of impedance, so as to improve the standing-wave ratio of port.
3rd radio-frequency joint 130, its upside for being specifically located at lower chamber 100, and positioned at the first radio-frequency joint 110 1
Side, it is connected with the one end fits of by-pass 160, and it is the dump power output for by-pass 160 to be coupled.
The internal diameter of 3rd radio-frequency joint 130 is 3.04mm, and it is provided with and by-pass corresponding matching with the connection end of by-pass 160
First link slot, so facilitates the 3rd radio-frequency joint 130 to be directly connected to one end of by-pass.
4th radio-frequency joint 140, its upside for being specifically located at lower chamber 100, and positioned at the second radio-frequency joint 120 1
Side, it is connected with the other end of by-pass 160, and matched load is connected with the above.
The internal diameter of 4th radio-frequency joint 140 is 3.04mm, and it is provided with and by-pass corresponding matching with the connection end of by-pass 160
Second link slot, so facilitates the 4th radio-frequency joint 140 to be directly connected to the other end of by-pass.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (7)
1. a kind of high power and high-precision wide-band coupler, it is characterised in that the wide-band coupler include upper cavity and under
Cavity, the lower chamber is removably secured with upper cavity and is connected, and the arrival end of the lower chamber is provided with the first radio-frequency joint, institute
The port of export for stating lower chamber is provided with the second radio-frequency joint, and the lower chamber side is respectively arranged at two ends with the 3rd radio-frequency joint and
Four radio-frequency joints, are provided with main line and by-pass in the lower chamber, the main line connects with the first radio-frequency joint and the second radio frequency respectively
Head connection, the by-pass is connected with the 3rd radio-frequency joint and the 4th radio-frequency joint respectively.
2. a kind of high power according to claim 1 and high-precision wide-band coupler, it is characterised in that described first penetrates
The first insulator and the first inner wire are provided with frequency joint, the first inner wire is fixed on the first radio frequency and connect by first insulator
In head, first inner wire is provided with the first closing in main line corresponding matching, and one end of the main line can be assigned into first
In closing up.
3. a kind of high power according to claim 2 and high-precision wide-band coupler, it is characterised in that in described first
Conductor internal diameter is 3.04mm.
4. a kind of high power according to claim 1 and high-precision wide-band coupler, it is characterised in that described second penetrates
The second insulator and the second inner wire are provided with frequency joint, the second inner wire is fixed on the second radio frequency and connect by second insulator
In head, second inner wire is provided with can be assigned into the with the second of main line corresponding matching the closing in, the other end of the main line
In two closing ins.
5. a kind of high power according to claim 4 and high-precision wide-band coupler, it is characterised in that in described second
The internal diameter of conductor is 3.04mm.
6. a kind of high power according to claim 1 and high-precision wide-band coupler, it is characterised in that the described 3rd penetrates
Frequency joint is located at the first radio-frequency joint side, and the 3rd radio-frequency joint internal diameter is 3.04mm, is set on the 3rd radio-frequency joint
There is the first link slot with by-pass corresponding matching.
7. a kind of high power according to claim 1 and high-precision wide-band coupler, it is characterised in that the described 4th penetrates
Frequency joint is located at the second radio-frequency joint side, and the 4th radio-frequency joint internal diameter is 3.04mm, is set on the 4th radio-frequency joint
There is the second link slot with by-pass corresponding matching, matched load is connected with the 4th radio-frequency joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621351642.7U CN206293597U (en) | 2016-12-10 | 2016-12-10 | A kind of high power and high-precision wide-band coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621351642.7U CN206293597U (en) | 2016-12-10 | 2016-12-10 | A kind of high power and high-precision wide-band coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293597U true CN206293597U (en) | 2017-06-30 |
Family
ID=59096978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621351642.7U Active CN206293597U (en) | 2016-12-10 | 2016-12-10 | A kind of high power and high-precision wide-band coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206293597U (en) |
-
2016
- 2016-12-10 CN CN201621351642.7U patent/CN206293597U/en active Active
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