CN104241796A - Same-frequency combiner - Google Patents
Same-frequency combiner Download PDFInfo
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- CN104241796A CN104241796A CN201310236463.3A CN201310236463A CN104241796A CN 104241796 A CN104241796 A CN 104241796A CN 201310236463 A CN201310236463 A CN 201310236463A CN 104241796 A CN104241796 A CN 104241796A
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- coupling
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- cavity
- frequency combiner
- isolator
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Abstract
The invention discloses a same-frequency combiner. The same-frequency combiner comprises an electrical bridge inner conductor, at least two isolators and at least two coupling conductors, all of which are arranged in a cavity. At least two output/input ports are formed in one outer side face of the cavity, and at least two input/output ports and at least two coupling ports are formed in the other side face of the cavity. An electrical bridge inner cavity, at least two isolator inner cavities arranged from top to bottom and at least two coupling inner cavities arranged from top to bottom are formed in the cavity from one side to the other side in sequence. The electrical bridge inner cavity is internally provided with the electrical bridge inner conductor connected with the output/input ports. Each isolator inner cavity is internally provided with the isolators connected with the input/output ports respectively, and each coupling inner cavity is internally connected with the coupling conductors connected with the coupling ports respectively. According to the same-frequency combiner, signals can have directivity, the isolation degree and the anti-interference performance are greatly improved, the size is small, losses are low, cost is saved, the coupling degree is accurate, and the standing-wave ratio is low.
Description
Technical field
The present invention relates to domain of communication equipments, particularly relate to a kind of same frequency combiner.
Background technology
Relevant data shows, in the world, the indoor traffic carrying capacity of the communications field accounts for its total traffic nearly 70%, indoor user is more than 2 times of outdoor user, the development trend of in-door covering is that many communication systems merge mutually, site share coexist, product technology is intelligent, the energy-conservation and harmonious environment of product, and can provide product facility that is convenient, economic, reliable, portability.
For ensureing network quality, all need to use the same frequency combiner with high target in a lot of network optimization product, particularly many nets close channel platform (POI).The many nets of POI needed for the networking of indoor and outdoor close channel platform and also obtain extensive development, and the conventional device in POI product is exactly the same frequency combiner formed primarily of electric bridge/isolator and coupler.But the electric property of the same frequency combiner of prior art and small product size have more and more been difficult to performance index and the price competition of tackling present increasing market fierceness.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of same frequency combiner, and this mixer can make signal have directivity, greatly improve isolation and anti-interference, and volume is little, loss is low, the degree of coupling is accurate, standing-wave ratio is little.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of same frequency combiner, includes and is located in cavity and interconnective electric bridge inner wire, isolator and coupling conductors, focus on:
Be provided with at least two input/output ports at a lateral surface of described cavity, and another lateral surface of described cavity is provided with at least two input/output end ports and at least two coupling port;
From side to opposite side, electric bridge inner chamber, at least two isolator inner chambers be arranged above and below and at least two coupling inner chambers be arranged above and below are provided with successively in described cavity;
Described electric bridge inner chamber is built-in with the electric bridge inner wire be connected with described at least two input/output ports, each isolator inner chamber is built-in with at least two isolators be connected one by one with described input/output end port, each coupling inner chamber is built-in with at least two coupling conductors be connected one by one with described coupling port.
Preferably, described at least two isolators arrange in the same way.
Preferably, described input/output port is directly connected with described electric bridge inner wire.
Preferably, described electric bridge inner wire is connected by the first bonding conductor with between described isolator.
Preferably, be connected by the second bonding conductor between described isolator with described input/output end port.
Preferably, described coupling conductors is directly connected with between coupling port.
Preferably, a described lateral surface and another lateral surface described are two relative lateral surfaces.
The invention has the beneficial effects as follows:
Embodiments of the invention are by setting gradually the electric bridge inner chamber of built-in electric bridge at inside cavities, the isolator inner chamber of at least two built-in isolators be arranged above and below, the coupling inner chamber of at least two built-in coupling conductors be arranged above and below, thus really achieve electric bridge, isolator, and the integration of coupler three passive device functions, signal is made to have directivity while playing the effect of homogenous frequency signal combiner, greatly increase the isolation between two signals, reduce loss, improve anti-interference, also can coupling output pilot signal, substantially increase the utilance of signal.Due to the design of integration, substantially reduce small product size, thus enormously simplify the installation of communication apparatus when many nets cover, reduce equipment cost, its internal structure is rationally distributed simultaneously, compact conformation, reliability are high.Fine to the effect on the conjunction road of base station signal in indoor covering system, be mainly used in the combiner of same system signal, wide market.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of a same frequency combiner of the present invention embodiment.
Embodiment
An embodiment of same frequency combiner provided by the invention is described in detail below with reference to Fig. 1; As shown in the figure, the present embodiment mainly includes to be located in cavity 10 and interconnective electric bridge inner wire 4, isolator 5 and coupling conductors 6, and:
Be provided with at least two input/output port ones at a lateral surface of described cavity 10, and another lateral surface of described cavity is provided with at least two input/output end ports 2 and at least two coupling port 3;
From side to opposite side, isolator inner chamber 50 and at least two coupling inner chambers 60 be arranged above and below that electric bridge inner chamber 40, at least two is arranged above and below is provided with successively in described cavity 10;
Described electric bridge inner chamber 40 is built-in with the electric bridge inner wire 4 be connected with described at least two input/output port ones, each isolator inner chamber 50 is built-in with at least two isolators 5 be connected one by one with described input/output end port 2, each coupling inner chamber 60 is built-in with at least two coupling conductors 6 be connected one by one with described coupling port 3.
Wherein, described at least two isolators 5 arrange in the same way.
Preferably, described input/output port one is directly connected with described electric bridge inner wire 4; Be connected by the first bonding conductor 7 between described electric bridge inner wire 4 with described isolator 5; Be connected by the second bonding conductor 8 between described isolator 5 with described input/output end port 2; Described coupling conductors is directly connected with between coupling port.
As a preferred implementation of the present embodiment, a described lateral surface and another lateral surface described are two relative lateral surfaces.
Signal, after the input of input/output port one, passes through electric bridge inner wire 1 successively, after two isolators 5, (by isolator then through electric bridge inner wire) exports from input/output end port 2 in cavity 10 inside; Or, after signal inputs from input/output end port 2, pass through two isolators 5 in cavity 10 inside successively, after electric bridge inner wire 1, export from input/output end port 2; In addition, some signal, by coupling conductors 6, exports couple inspect signal from two coupling port 3.Signal can be determined on direction transmitted signal power continuous sampling along transmission line is a certain, an input signal can be divided into two each other constant amplitude and have 90 ° of phase differences signal export through isolator, make Signal transmissions have directivity, two go out between defeated signal to have higher isolation.
The electric bridge inner wire 4 of the present embodiment can mate with the isolator 5 of different frequency range the signal transmission that is connected; Isolator 5, two isolators 5 of the different transmission direction of different frequency range can be exchanged in the same direction according to different network system frequency ranges and different signal transmission direction; Distance between second bonding conductor 8 that coupling conductors 6 and main signal can be regulated to transmit according to the degree of coupling of desired signal.
Compared with prior art, the present invention has the following advantages:
Really can realize the integration of electric bridge, isolator and coupler three passive device functions, make signal have directivity while playing the effect of homogenous frequency signal combiner, greatly increase the isolation between two signals, reduce loss, improve anti-interference, also can coupling output pilot signal.Due to the design of integration, substantially reduce small product size, thus enormously simplify the installation of communication apparatus when many nets cover, reduce equipment cost, its internal structure is rationally distributed simultaneously, compact conformation, reliability are high.Fine by effect to what transport in the conjunction road of base station signal in indoor covering system, be mainly used in the combiner of same system signal, improve the anti-interference between homologous ray output signal, coupled inferring signal, substantially increase the utilance of signal, wide market.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (7)
1. a same frequency combiner, includes and is located in cavity and interconnective electric bridge inner wire, isolator and coupling conductors, it is characterized in that:
Be provided with at least two input/output ports at a lateral surface of described cavity, and another lateral surface of described cavity is provided with at least two input/output end ports and at least two coupling port;
From side to opposite side, electric bridge inner chamber, at least two isolator inner chambers be arranged above and below and at least two coupling inner chambers be arranged above and below are provided with successively in described cavity;
Described electric bridge inner chamber is built-in with the electric bridge inner wire be connected with described at least two input/output ports, each isolator inner chamber is built-in with at least two isolators be connected one by one with described input/output end port, each coupling inner chamber is built-in with at least two coupling conductors be connected one by one with described coupling port.
2. same frequency combiner as claimed in claim 1, is characterized in that: described at least two isolators arrange in the same way.
3. same frequency combiner as claimed in claim 1 or 2, is characterized in that: described input/output port is directly connected with described electric bridge inner wire.
4. same frequency combiner as claimed in claim 3, is characterized in that: described electric bridge inner wire is connected by the first bonding conductor with between described isolator.
5. same frequency combiner as described in claim 4, be is characterized in that: be connected by the second bonding conductor between described isolator with described input/output end port.
6. same frequency combiner as claimed in claim 5, is characterized in that: described coupling conductors is directly connected with between coupling port.
7. same frequency combiner as claimed in claim 6, is characterized in that: a described lateral surface and another lateral surface described are two relative lateral surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310236463.3A CN104241796A (en) | 2013-06-14 | 2013-06-14 | Same-frequency combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310236463.3A CN104241796A (en) | 2013-06-14 | 2013-06-14 | Same-frequency combiner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104241796A true CN104241796A (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310236463.3A Pending CN104241796A (en) | 2013-06-14 | 2013-06-14 | Same-frequency combiner |
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| CN (1) | CN104241796A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489996A (en) * | 2015-12-30 | 2016-04-13 | 安徽蓝麦通信科技有限公司 | Monitorable high-power bridge |
| CN106058393A (en) * | 2016-07-29 | 2016-10-26 | 四川天邑康和通信股份有限公司 | Miniaturized cavity duplexer applied to digital repeaters |
| CN107681241A (en) * | 2017-11-22 | 2018-02-09 | 福州同创微波通讯技术有限公司 | A kind of two-way cavity coupler and method of work having with frequency combining function |
-
2013
- 2013-06-14 CN CN201310236463.3A patent/CN104241796A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489996A (en) * | 2015-12-30 | 2016-04-13 | 安徽蓝麦通信科技有限公司 | Monitorable high-power bridge |
| CN106058393A (en) * | 2016-07-29 | 2016-10-26 | 四川天邑康和通信股份有限公司 | Miniaturized cavity duplexer applied to digital repeaters |
| CN107681241A (en) * | 2017-11-22 | 2018-02-09 | 福州同创微波通讯技术有限公司 | A kind of two-way cavity coupler and method of work having with frequency combining function |
| CN107681241B (en) * | 2017-11-22 | 2023-11-03 | 福州同创微波通讯技术有限公司 | Double-channel cavity coupler with same-frequency combining function |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141224 |