CN104022330A - Co-frequency combiner with isolation section - Google Patents
Co-frequency combiner with isolation section Download PDFInfo
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- CN104022330A CN104022330A CN201410137887.9A CN201410137887A CN104022330A CN 104022330 A CN104022330 A CN 104022330A CN 201410137887 A CN201410137887 A CN 201410137887A CN 104022330 A CN104022330 A CN 104022330A
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- section
- coupling
- coupled section
- electric bridge
- distance piece
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Abstract
The invention discloses a co-frequency combiner with an isolation section. The co-frequency combiner comprises a 3dB bridge and a housing which wraps the 3dB bridge. The 3dB bridge comprises a first bridge and a second bridge, wherein the first and second bridges are arranged together in a superposed manner, and an insulating pad is arranged between the first and second bridges. The first bridge comprises a first coupling section, a second coupling section and a first connecting section, wherein the first coupling section is connected to the second coupling section via the first connecting section. The second bridge comprises a third coupling section, a fourth coupling section and a second connecting section, wherein the third coupling section is connected with the fourth coupling section via the second connecting section. Via simulation by software, the co-frequency combiner of such shape is tested to be low in the impedance factor and high in coupling, the coupling rate reaches 95% and more, the isolation degree is greater than 10db, the interference is low, and requirements for 4G network are satisfied.
Description
Technical field
The present invention relates to same frequency combiner field, be specifically related to a kind of same frequency combiner with distance piece.
Background technology
3dB electric bridge is also same frequency combiner, refer generally to the coupling electric bridge part in same frequency combiner, its effect is by the signal coupling of two same frequencys, it is widely used in communication technical field, and the topmost performance of 3dB electric bridge comprises interference, the degree of coupling, isolation etc. performance, along with the 4G arrival of cybertimes, it requires more and more higher to communication products, especially 3dB electric bridge, it is had relatively high expectations to the degree of coupling etc., and therefore market demand one can have the higher degree of coupling, lower interfering 3dB electric bridge.
Summary of the invention
The object of the invention is to overcome above-described shortcoming, a kind of high performance same frequency combiner with distance piece is provided.
For achieving the above object, concrete scheme of the present invention is as follows: with the same frequency combiner of distance piece, include the shell of 3dB electric bridge and parcel 3dB electric bridge; Described 3dB electric bridge include overlap together, centre is provided with the first electric bridge and second electric bridge of insulation spacer; Described the first electric bridge includes the first coupled section, the second coupled section and connects the first linkage section of the first coupled section and the second coupled section; Described the first electric bridge also includes to be located at the free-ended first input end of the first coupled section and to be located at free-ended the first output of the second coupled section; Described the second electric bridge includes the 3rd coupled section, the 4th coupled section and connects the second linkage section of the 3rd coupled section and the 4th coupled section; Described the second electric bridge also includes to be located at free-ended second input of the 3rd coupled section and to be located at free-ended the second output of the 4th coupled section; The skew back that described the first coupled section is provided with the first linkage section is extended with a plurality of first coupling wings downwards; The skew back that described the 3rd coupled section is provided with the second linkage section is extended with a plurality of the 3rd coupling wings downwards; The free end of the described first coupling wing and the 3rd coupling wing is equipped with a leg-of-mutton breach that obstructs; Described the first coupled section is provided with the skew back that the first linkage section is relative and is extended with the first distance piece downwards; Described the 3rd coupled section is provided with the skew back that the second linkage section is relative and is extended with the second distance piece downwards.
Wherein, the skew back that described the second coupled section is provided with the first linkage section is upwards extended with a plurality of second coupling wings; The skew back that described the 4th coupled section is provided with the second linkage section is upwards extended with a plurality of the 4th coupling wings.
Wherein, the angle of the described first coupling wing and the 3rd coupling wing and horizontal direction is 30 °.
Wherein, the angle of the described second coupling wing and the 4th coupling wing and horizontal direction is 30 °.
Wherein, the quantity of the described first coupling wing and the 3rd coupling wing is 4.
Wherein, the quantity of the described second coupling wing and the 4th coupling wing is 4.
Wherein, the free end of the described second coupling wing and the 4th coupling wing is equipped with a leg-of-mutton breach that obstructs.
Beneficial effect of the present invention is: with the same frequency combiner of distance piece, include the shell of 3dB electric bridge and parcel 3dB electric bridge; Described 3dB electric bridge include overlap together, centre is provided with the first electric bridge and second electric bridge of insulation spacer; Described the first electric bridge includes the first coupled section, the second coupled section and connects the first linkage section of the first coupled section and the second coupled section; Described the second electric bridge includes the 3rd coupled section, the 4th coupled section and connects the second linkage section of the 3rd coupled section and the 4th coupled section; Design by shape like this, under the emulation of computer software, calculate, impedance factor of the present invention is less, and coupling is high, and coupling efficiency reaches more than 95%; Its isolation is greater than 10db, and interference is low, has effectively met the requirement of 4G network.
Brief description of the drawings
Fig. 1 is the schematic diagram of the first electric bridge of the present invention;
Fig. 2 is the schematic diagram of the second electric bridge of the present invention;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the schematic diagram of 3dB electric bridge of the present invention;
Fig. 5 is the schematic diagram of the first electric bridge of the present invention;
Fig. 6 is schematic diagram of the present invention;
Fig. 7 is the coupling resolution chart of the present invention under computer simulation software;
Description of reference numerals in Fig. 1 to Fig. 7:
1-the first electric bridge; 11-first input end; 12-the first output; 13-the first coupled section; 13a-first wing that is coupled; 14-the second coupled section; 14a-second wing that is coupled; 15-the first linkage section; 16-the first distance piece; 17-the first hollow hole;
2-the second electric bridge; 21-the second input; 22-the second output; 23-the 3rd coupled section; 23a-the 3rd coupling wing; 24-the 4th coupled section; 24a-the 4th coupling wing; 25-the second linkage section; 26-the second distance piece; 27-the second hollow hole;
3-obstructs breach.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is confined to this.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the same frequency combiner with distance piece described in the present embodiment, includes the shell of 3dB electric bridge and parcel 3dB electric bridge; Described 3dB electric bridge include overlap together, centre is provided with the first electric bridge 1 and second electric bridge 2 of insulation spacer; Described the first electric bridge 1 includes the first coupled section 13, the second coupled section 14 and connects the first linkage section 15 of the first coupled section 13 and the second coupled section 14; Described the first electric bridge 1 also includes to be located at the free-ended first input end 11 of the first coupled section 13 and to be located at free-ended the first output 12 of the second coupled section 14; Described the second electric bridge 2 includes the 3rd coupled section 23, the 4th coupled section 24 and connects the second linkage section 25 of the 3rd coupled section 23 and the 4th coupled section 24; Described the second electric bridge 2 also includes to be located at free-ended second input 21 of the 3rd coupled section 23 and to be located at free-ended the second output 22 of the 4th coupled section 24; Between described the first electric bridge 1 and the second electric bridge 2, be provided with insulation spacer, also can be provided with insulation column between them, insulation column or insulation spacer all need the first electric bridge 1 and the second electric bridge 2 insulation to separate; Signal is inputted from first input end 11 and the second input 21, and the first linkage section 15 and the second linkage section 25 are by signal coupling; By emulation of the computer software, its degree of coupling is up to more than 95%, its isolation compared with large, impedance is little, standing wave is little; As Fig. 6, its coupling frequency calculating by simulation software can reach 2950KHZ, its coupling line is very smooth, meet greatly the requirement of the LTE technical standard of current main flow 4G, its practicality increases greatly, and it is simple in structure in addition, not fragile, long service life, design by shape like this, under the emulation of computer software, calculate, impedance factor of the present invention is less, coupling is high, and coupling efficiency reaches more than 95%, and its isolation is greater than 10db, interference is low, has effectively met the requirement of 4G network.
The same frequency combiner with distance piece described in the present embodiment, the skew back that described the first coupled section 13 is provided with the first linkage section 15 is extended with a plurality of the first coupling wing 13a downwards; The skew back that described the 3rd coupled section 23 is provided with the second linkage section 25 is extended with a plurality of the 3rd coupling wing 23a downwards; When the first electric bridge 1 and the second electric bridge 2 are overlapping, the first coupling wing 13a and the 3rd coupling wing 23a are also overlapping, as Fig. 3, present crossing condition, by being coupled between the first coupling wing 13a and the 3rd coupling wing 23a, under emulation of the computer software, can draw the further coupling coefficient of the present invention that strengthened; The free end of described the first coupling wing 13a and the 3rd coupling wing 23a is equipped with a leg-of-mutton breach 3 that obstructs; By emulation, it has further reduced the standing wave impedance of integral coupler.
The same frequency combiner with distance piece described in the present embodiment, the skew back that described the second coupled section 14 is provided with the first linkage section 15 is upwards extended with a plurality of the second coupling wing 14a; The skew back that described the 4th coupled section 24 is provided with the second linkage section 25 is upwards extended with a plurality of the 4th coupling wing 24a; As Fig. 3, present crossing condition, by being coupled between the second coupling wing 14a and the 4th coupling wing 24a, under emulation of the computer software, can draw the further coupling coefficient of the present invention that strengthened; The free end of described the second coupling wing 14a and the 4th coupling wing 24a is equipped with a triangle and obstructs breach 3; By emulation, it has further reduced the standing wave impedance of integral coupler.
The same frequency combiner with distance piece described in the present embodiment, the angle of described the first coupling wing 13a and the 3rd coupling wing 23a and horizontal direction is 30 °; The same frequency combiner with distance piece described in the present embodiment, the angle of described the second coupling wing 14a and the 4th coupling wing 24a and horizontal direction is 30 °; Under emulation by computer simulation software, when its first coupling wing 13a to the four coupling wing 24a and horizontal direction angle are 30 °, its degree of coupling the best.
The same frequency combiner with distance piece described in the present embodiment, the quantity of described the first coupling wing 13a and the 3rd coupling wing 23a is 4; The quantity of described the second coupling wing 14a and the 4th coupling wing 24a is 4.Under emulation by computer simulation software, quantity of its first coupling wing 13a to the four coupling wing 24a is at 4 o'clock, and it can keep, under the best degree of coupling, saving material most.
The same frequency combiner with distance piece described in the present embodiment, described the first coupled section 13 is provided with the skew back that the first linkage section 15 is relative and is extended with the first distance piece 16 downwards; Described the 3rd coupled section 23 is provided with the skew back that the second linkage section 25 is relative and is extended with the second distance piece 26 downwards; By the first distance piece 16 and the second distance piece 26 that are provided with, its isolation further increases, and isolation can reach 12db.
The same frequency combiner with distance piece described in the present embodiment, described the first coupled section 13 and the second coupled section 14 are equipped with a plurality of leg-of-mutton the first hollow holes 17, and described the 3rd coupled section 23 and the 4th coupled section 24 are equipped with a plurality of leg-of-mutton the second hollow holes 27; By the design of the first hollow hole 17 and the second hollow hole 27, under the emulation of computer simulation software, can find that it has reduced impedance factor greatly, reduce interference, promote greatly electric property of the present invention.
The above is only a preferred embodiment of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in the protection range of patent application of the present invention.
Claims (7)
1. the same frequency combiner with distance piece, includes 3dB electric bridge and wraps up the shell of 3dB electric bridge; It is characterized in that: described 3dB electric bridge include overlap together, centre is provided with the first electric bridge (1) and second electric bridge (2) of insulation spacer; Described the first electric bridge (1) includes the first coupled section (13), the second coupled section (14) and connects first linkage section (15) of the first coupled section (13) and the second coupled section (14); Described the first electric bridge (1) also includes to be located at the free-ended first input end (11) of the first coupled section (13) and to be located at free-ended the first output of the second coupled section (14) (12); Described the second electric bridge (2) includes the 3rd coupled section (23), the 4th coupled section (24) and connects second linkage section (25) of the 3rd coupled section (23) and the 4th coupled section (24); Described the second electric bridge (2) also includes to be located at free-ended second input (21) of the 3rd coupled section (23) and to be located at the 4th free-ended the second output of coupled section (24) (22); The skew back that described the first coupled section (13) is provided with the first linkage section (15) is extended with a plurality of first coupling wings (13a) downwards; The skew back that described the 3rd coupled section (23) is provided with the second linkage section (25) is extended with a plurality of the 3rd coupling wings (23a) downwards; The free end of the described first coupling wing (13a) and the 3rd coupling wing (23a) is equipped with a leg-of-mutton breach (3) that obstructs; Described the first coupled section (13) is provided with the skew back that the first linkage section (15) is relative and is extended with the first distance piece (16) downwards; Described the 3rd coupled section (23) is provided with the skew back that the second linkage section (25) is relative and is extended with the second distance piece (26) downwards.
2. a kind of same frequency combiner with distance piece according to claim 1, is characterized in that: the skew back that described the second coupled section (14) is provided with the first linkage section (15) is upwards extended with a plurality of second coupling wings (14a); The skew back that described the 4th coupled section (24) is provided with the second linkage section (25) is upwards extended with a plurality of the 4th coupling wings (24a).
3. a kind of same frequency combiner with distance piece according to claim 1, is characterized in that: the described first coupling wing (13a) is 30 ° with the 3rd coupling wing (23a) and the angle of horizontal direction.
4. a kind of same frequency combiner with distance piece according to claim 2, is characterized in that: the described second coupling wing (14a) is 30 ° with the 4th coupling wing (24a) and the angle of horizontal direction.
5. a kind of same frequency combiner with distance piece according to claim 1, is characterized in that: the described first coupling wing (13a) is 4 with the quantity of the 3rd coupling wing (23a).
6. a kind of same frequency combiner with distance piece according to claim 2, is characterized in that: the described second coupling wing (14a) is 4 with the quantity of the 4th coupling wing (24a).
7. a kind of same frequency combiner with distance piece according to claim 2, is characterized in that: the free end of the described second coupling wing (14a) and the 4th coupling wing (24a) is equipped with a triangle and obstructs breach (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137887.9A CN104022330A (en) | 2014-04-08 | 2014-04-08 | Co-frequency combiner with isolation section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137887.9A CN104022330A (en) | 2014-04-08 | 2014-04-08 | Co-frequency combiner with isolation section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104022330A true CN104022330A (en) | 2014-09-03 |
Family
ID=51438971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410137887.9A Withdrawn CN104022330A (en) | 2014-04-08 | 2014-04-08 | Co-frequency combiner with isolation section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104022330A (en) |
-
2014
- 2014-04-08 CN CN201410137887.9A patent/CN104022330A/en not_active Withdrawn
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20140903 |