CN204441439U - A kind of cavity 3DB electric bridge - Google Patents
A kind of cavity 3DB electric bridge Download PDFInfo
- Publication number
- CN204441439U CN204441439U CN201420867141.9U CN201420867141U CN204441439U CN 204441439 U CN204441439 U CN 204441439U CN 201420867141 U CN201420867141 U CN 201420867141U CN 204441439 U CN204441439 U CN 204441439U
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- coupling
- coupling part
- electric bridge
- cavity
- line
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Abstract
A kind of cavity 3DB electric bridge, described cavity 3DB electric bridge comprises the shell of 3db electric bridge and parcel 3db electric bridge, described 3db electric bridge comprises coupling line a and coupling line b, described coupling line a is parallel with coupling line b and overlap, and be provided with insulation spacer in the middle of coupling line a and coupling line b, be provided with the distance piece a extended obliquely outside described coupling part a, the outside of described coupling part b is provided with the distance piece b extended obliquely.The utility model passes through the nemaline design of coupling, the coupling effect of cavity 3DB electric bridge is strengthened greatly, its coupling coefficient calculated by simulation software is high, coupling efficiency reaches more than 96%, greatly improve the electric property of cavity 3DB electric bridge, and practicality of the present utility model also promotes to some extent.
Description
Technical field
The utility model relates to same frequency combiner field, is specifically related to a kind of cavity 3DB electric bridge.
Background technology
3dB electric bridge is also same frequency combiner, refer generally to the coupling bridge section 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 arrival of 4G cybertimes, it requires more and more higher to communication products, especially 3dB electric bridge, it requires higher to the degree of coupling etc., therefore a kind of 3dB electric bridge that can have the higher degree of coupling of market demand.
Utility model content
For above the deficiencies in the prior art, the utility model provides a kind of cavity 3DB electric bridge.
A kind of cavity 3DB electric bridge, described cavity 3DB electric bridge comprises the shell of 3db electric bridge and parcel 3db electric bridge, and described 3db electric bridge comprises coupling line a and coupling line b,
The input pin b that described coupling line a comprises the coupling part a of annular, the output pin a extended obliquely from coupling part a side, extends obliquely from coupling part a opposite side; The free end of described output pin a establishes output c, and the free end of input pin b establishes input d; The centre of the coupling part a of described annular is provided with the coupling wing a of the coupling part a of the whole annular of a plurality of connections tilted upward; The coupling part a of described annular is provided with a plurality of leg-of-mutton hollow hole a;
The input pin f that described coupling line b comprises the coupling part b of annular, the output pin e extended obliquely from coupling part b side, extends obliquely from coupling part b opposite side; The free end of described output pin e establishes output g, and the free end of input pin f establishes input h; The centre of the coupling part b of described annular is provided with the coupling wing b of the coupling part b of the whole annular of connection under a plurality of being tilted to; The coupling part b of described annular is provided with a plurality of leg-of-mutton hollow hole b;
Described coupling line a is parallel with coupling line b and overlap, and is provided with insulation spacer in the middle of coupling line a and coupling line b, and be provided with the distance piece a extended obliquely outside described coupling part a, the outside of described coupling part b is provided with the distance piece b extended obliquely.
The quantity of described coupling wing a and coupling wing b is 3.
The length of described coupling wing a, coupling wing b is successively decreased from the centre of coupling part a, coupling part b toward both sides respectively.
Distance between described coupling part a and coupling part b is 4mm.
The beneficial effects of the utility model are: the utility model passes through the nemaline design of coupling, the coupling effect of cavity 3DB electric bridge is strengthened greatly, its coupling coefficient calculated by simulation software is high, coupling efficiency reaches more than 96%, greatly improve the electric property of cavity 3DB electric bridge, and practicality of the present utility model also promotes to some extent.
Accompanying drawing explanation
Fig. 1 is a kind of cavity 3DB of the utility model bridge structure schematic diagram;
Fig. 2 is the structural representation of a kind of base station of the utility model 3DB electric bridge coupling line a;
Fig. 3 is the structural representation of a kind of base station of the utility model 3DB electric bridge coupling line b;
In figure: 1 is shell; 2 is coupling line a; 3 is coupling line b; 4 is coupling part a; 5 is output pin a; 6 is input pin b; 7 is output c; 8 is input d; 9 is coupling wing a; 10 is coupling part b; 11 is output pin e; 12 is input pin f; 13 is output g; 14 is input h; 15 is coupling wing b; 16 is distance piece a; 17 is distance piece b; 18 is hollow hole a; 19 is hollow hole b.
Embodiment
Illustrate below in conjunction with embodiment and accompanying drawing and the utility model is described in further details.
As shown in Figure 1, Figure 2 and Figure 3, a kind of cavity 3DB electric bridge, described cavity 3DB electric bridge comprises the shell (1) of 3db electric bridge and parcel 3db electric bridge, described 3db electric bridge comprises coupling line a (2) and coupling line b (3), the input pin b (6) that described coupling line a (2) comprises the coupling part a (4) of annular, the output pin a (5) extended obliquely from coupling part a (4) side, extends obliquely from coupling part a (4) opposite side; The free end of described output pin a (5) establishes output c (7), and the free end of input pin b (6) establishes input d (8); The centre of the coupling part a (4) of described annular is provided with the coupling wing a (9) of the coupling part a (4) of the whole annular of a plurality of connections tilted upward; The coupling part a (4) of described annular is provided with a plurality of leg-of-mutton hollow hole a (18); The input pin f (12) that described coupling line b (3) comprises the coupling part b (10) of annular, the output pin e (11) extended obliquely from coupling part b (10) side, extends obliquely from coupling part b (10) opposite side; The free end of described output pin e (11) establishes output g (13), and the free end of input pin f (12) establishes input h (14); The centre of the coupling part b (10) of described annular is provided with the coupling wing b (15) of the coupling part b (10) of the whole annular of connection under a plurality of being tilted to; The coupling part b (10) of described annular is provided with a plurality of leg-of-mutton hollow hole b (19); Described coupling line a (2) is parallel with coupling line b (3) and overlap, and be provided with insulation spacer in the middle of coupling line a (2) and coupling line b (3), described coupling part a (4) outside is provided with the distance piece a (16) extended obliquely, and the outside of described coupling part b (10) is provided with the distance piece b (17) extended obliquely.
Insulation spacer is provided with between described coupling line a (2) and coupling line b (3), in the utility model, also can be provided with insulation column between coupling line a (2) and coupling line b (3), insulation column or insulation spacer all need coupling line a (2) and coupling line b (3) insulation to separate.
The coupling part a (2) of described annular, the coupling part b (3) of annular are respectively equipped with a plurality of leg-of-mutton hollow hole a (18), hollow hole b (19); By the design of hollow hole, under the emulation of computer simulation software, can find that the utility model greatly reduces impedance factor, reduces interference, improve the electric property of cavity 3DB electric bridge greatly.
Described coupling wing a (9) and coupling wing b (15) quantity be 3, be specially described coupling wing a (9), coupling wing b (15) length successively decrease from the centre of coupling part a (4), coupling part b (10) toward both sides respectively.By the emulation of computer simulation software, when quantity of its coupling wing a (9) and coupling wing b (15) is 3, the utility model is under the degree of coupling that can keep the best, saves material most.
Distance between described coupling part a (4) and coupling part b (10) is 4mm, calculated by emulation of the computer software, when the spacing of coupling part a (4) and coupling part b (10) is 4mm, the utility model band width is optimum, and effect is best.
Following technique effect can be realized by the utility model:
The utility model passes through the nemaline design of coupling, and the coupling effect of cavity 3DB electric bridge is strengthened greatly, and its coupling coefficient calculated by simulation software is high, and coupling efficiency reaches more than 96%, and practicality of the present utility model also promotes to some extent.
Claims (4)
1. a cavity 3DB electric bridge, described cavity 3DB electric bridge comprises the shell (1) of 3db electric bridge and parcel 3db electric bridge, it is characterized in that described 3db electric bridge comprises coupling line a (2) and coupling line b (3),
The input pin b (6) that described coupling line a (2) comprises the coupling part a (4) of annular, the output pin a (5) extended obliquely from coupling part a (4) side, extends obliquely from coupling part a (4) opposite side; The free end of described output pin a (5) establishes output c (7), and the free end of input pin b (6) establishes input d (8); The centre of the coupling part a (4) of described annular is provided with the coupling wing a (9) of the coupling part a (4) of the whole annular of a plurality of connections tilted upward; The coupling part a (4) of described annular is provided with a plurality of leg-of-mutton hollow hole a (18);
The input pin f (12) that described coupling line b (3) comprises the coupling part b (10) of annular, the output pin e (11) extended obliquely from coupling part b (10) side, extends obliquely from coupling part b (10) opposite side; The free end of described output pin e (11) establishes output g (13), and the free end of input pin f (12) establishes input h (14); The centre of the coupling part b (10) of described annular is provided with the coupling wing b (15) of the coupling part b (10) of the whole annular of connection under a plurality of being tilted to; The coupling part b (10) of described annular is provided with a plurality of leg-of-mutton hollow hole b (19);
Described coupling line a (2) is parallel with coupling line b (3) and overlap, and be provided with insulation spacer in the middle of coupling line a (2) and coupling line b (3), described coupling part a (4) outside is provided with the distance piece a (16) extended obliquely, and the outside of described coupling part b (10) is provided with the distance piece b (17) extended obliquely.
2. a kind of cavity 3DB electric bridge according to claim 1, is characterized in that the quantity of described coupling wing a (9) and coupling wing b (15) is 3.
3. a kind of cavity 3DB electric bridge according to claim 1 and 2, is characterized in that the length of described coupling wing a (9) and coupling wing b (15) is successively decreased from the centre of coupling part a (4), coupling part b (10) toward both sides respectively.
4. a kind of cavity 3DB electric bridge according to claim 1, is characterized in that the distance between described coupling part a (4) and coupling part b (10) is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420867141.9U CN204441439U (en) | 2014-12-31 | 2014-12-31 | A kind of cavity 3DB electric bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420867141.9U CN204441439U (en) | 2014-12-31 | 2014-12-31 | A kind of cavity 3DB electric bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441439U true CN204441439U (en) | 2015-07-01 |
Family
ID=53609265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420867141.9U Expired - Fee Related CN204441439U (en) | 2014-12-31 | 2014-12-31 | A kind of cavity 3DB electric bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204441439U (en) |
-
2014
- 2014-12-31 CN CN201420867141.9U patent/CN204441439U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |