CN202405404U - Coupler, wireless communication base station system and indoor distribution system - Google Patents
Coupler, wireless communication base station system and indoor distribution system Download PDFInfo
- Publication number
- CN202405404U CN202405404U CN2011204918902U CN201120491890U CN202405404U CN 202405404 U CN202405404 U CN 202405404U CN 2011204918902 U CN2011204918902 U CN 2011204918902U CN 201120491890 U CN201120491890 U CN 201120491890U CN 202405404 U CN202405404 U CN 202405404U
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- Prior art keywords
- coupling line
- coupler
- line
- base station
- wireless communication
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Abstract
The utility model is applicable to the technical field of communication, and provides a coupler, a wireless communication base station system and an indoor distribution system. The coupler comprises a cavity base which is used for mounting a main coupling line and an auxiliary coupling line, and an outer cover plate which is used for sealing the cavity base, wherein the auxiliary coupling line is a gradient line type coupling line. According to the utility model, the auxiliary coupling line is designed as the gradient line type coupling line, and asymmetrical air strip line coupling is formed in the cavity base, so that the miniaturization of the coupler is realized. The coupler is applicable to the wireless communication base station system and the indoor distribution system.
Description
Technical field
The utility model belongs to communication technical field, relates in particular to a kind of coupler, wireless communication base station system and indoor distributed system.
Background technology
Coupler belongs to the base station system of wireless telecommunications system or the passive device of indoor distributed system; Its basic function is divided into two paths of signals output with one road power signal exactly unevenly; Provide communication signal to cover for different zones through antenna; Reduce the communication network construction cost, reduce Intermodulation Interference, and pass through with minimal losses.
Traditional coupler adopts the design of air symmetry strip lines configuration, and coupling line is the step impedance conversion structure, and volume is bigger than normal; Power is little, and frequency range is generally 800MHz～2500MHz, and passband fluctuation is poor; Overall qualification rate is not high, can not satisfy the requirement of high performance communication network.
The utility model content
The purpose of the utility model embodiment is to provide a kind of coupler, is intended to solve the existing larger-size problem of coupler.
The utility model embodiment is achieved in that a kind of coupler, comprises that said secondary coupling line is a transition line formula coupling line in order to the cavity seat that main coupling line and secondary coupling line are installed and the outer cover plate of airtight said cavity seat.
Another purpose of the utility model embodiment is to provide a kind of wireless communication base station system, and said wireless communication base station system adopts above-mentioned coupler.
Another purpose of the utility model embodiment is to provide a kind of indoor distributed system, and said indoor distributed system adopts above-mentioned coupler.
The utility model embodiment is designed to transition line formula coupling line with secondary coupling line, in the cavity seat, forms asymmetric air strip line coupling, realizes the coupler miniaturization with this.This coupler is applicable to wireless communication base station system and indoor distributed system.
Description of drawings
Fig. 1 is the explosive view of the coupler that provides of the utility model embodiment;
Fig. 2 is the half-sectional view of the coupler that provides of the utility model embodiment;
Fig. 3 is the cut-away view of the coupler that provides of the utility model embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model embodiment is designed to transition line formula coupling line with secondary coupling line, in the cavity seat, forms asymmetric air strip line coupling, realizes the coupler miniaturization with this.
Be described in detail below in conjunction with the realization of specific embodiment the utility model.
Shown in Fig. 1～3, the coupler that the utility model embodiment provides comprises that said secondary coupling line 12 is a transition line formula coupling line in order to main coupling line 11 and the cavity seat 1 of secondary coupling line 12 and the outer cover plate 2 of airtight said cavity seat 1 to be installed.In cavity seat 1, form asymmetric air strip line coupling like this, realize the coupler miniaturization with this.
Particularly, be provided with the coupling window that said cavity seat 1 is divided into first cell body 31 and second cell body 32 between said main coupling line 11 and the secondary coupling line 12; Said main coupling line 11 is positioned at first cell body 31, and said secondary coupling line 12 is positioned at second cell body 32.In this power that can change coupling through the size that changes said coupling window, this project organization further reduces the volume of coupler in same frequency range.
Preferably, in said cavity seat 1, establish the parting bead 13 that is parallel to said main coupling line 11, form said coupling window with this.Thickness that like this can be through changing said parting bead 13 and installation site thereof further reduce the coupler volume to change the size of said coupling window.
Wherein, the chamber 3 at said main coupling line 11 and secondary coupling line 12 places is by 4 cappings of inner cover plate, and a plurality of coupling screws 5 are arranged in said inner cover plate 4.So can finely tune through the parameter of the 5 pairs of couplers of coupling screw on the inner cover plate 4, thus the percent of pass of raising product.Simultaneously, the adjusting that cooperatively interacts of a plurality of coupling screws 5 is beneficial to the electric index of optimizing said coupler, makes it have consistency.For making the debud mode variation, each screw 5 that is coupled is arranged with the nut 6 that cooperates with it.Can debug the electric index of said coupler this moment through the rotation of nut 6.
In addition, said main coupling line 11 and secondary coupling line 12 are positioned at the middle part of said chamber 3 by medium 7, are beneficial to the electric index of stablizing said coupler.
Further, the two ends of said main coupling line 11 all join with input connector 81 and out connector 82 respectively through trip bolt 14, need not welding; Reduced production process, made the electric property of said coupler and index more stable, can realize that (coupling along separate routes two broadbands is 800MHz～2700MHz) to ultrabroad band; Low ripple and low intermodulation; Thereby improve the intermodulation index, the enhance mechanical reliability, percent of pass is high.Correspondingly, an end of said secondary coupling line 12 joins through trip bolt 14 and coupled connector 83, and the other end is connected to the power termination 8 of 50 Ω.Each connector all is fastened on the side of said cavity seat 1 through screw here, and whole coupler assembling will be simple more, quick.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. coupler comprises in order to the cavity seat that main coupling line and secondary coupling line are installed and the outer cover plate of airtight said cavity seat, it is characterized in that said secondary coupling line is a transition line formula coupling line.
2. coupler as claimed in claim 1 is characterized in that, is provided with the coupling window that said cavity seat is divided into first cell body and second cell body between said main coupling line and the secondary coupling line; Said main coupling line is positioned at first cell body, and said secondary coupling line is positioned at second cell body.
3. coupler as claimed in claim 2 is characterized in that, in said cavity seat, establishes the parting bead that is parallel to said main coupling line, forms said coupling window with this.
4. like each described coupler in the claim 1～3, it is characterized in that said main coupling line and secondary coupling line are the banded line style coupling line of air, its width and thickness are all greater than 4mm.
5. coupler as claimed in claim 4 is characterized in that, the chamber at said main coupling line and secondary coupling line place is by the capping of inner cover plate institute, and a plurality of coupling screws are arranged in said inner cover plate.
6. coupler as claimed in claim 5 is characterized in that, each screw that is coupled is arranged with the nut that cooperates with it.
7. coupler as claimed in claim 4 is characterized in that, the two ends of said main coupling line all join with input connector and out connector respectively through screw; One end of said secondary coupling line joins through screw and coupled connector, and the other end is connected to power termination.
8. coupler as claimed in claim 7 is characterized in that, each connector all is fastened on the side of said cavity seat through screw.
9. a wireless communication base station system is characterized in that, said wireless communication base station system adopts like each described coupler in the claim 1～8.
10. an indoor distributed system is characterized in that, said indoor distributed system adopts like each described coupler in the claim 1～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204918902U CN202405404U (en) | 2011-12-01 | 2011-12-01 | Coupler, wireless communication base station system and indoor distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204918902U CN202405404U (en) | 2011-12-01 | 2011-12-01 | Coupler, wireless communication base station system and indoor distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202405404U true CN202405404U (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204918902U Expired - Fee Related CN202405404U (en) | 2011-12-01 | 2011-12-01 | Coupler, wireless communication base station system and indoor distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202405404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928739A (en) * | 2014-04-04 | 2014-07-16 | 孔德才 | Cavity bi-directional coupler |
-
2011
- 2011-12-01 CN CN2011204918902U patent/CN202405404U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928739A (en) * | 2014-04-04 | 2014-07-16 | 孔德才 | Cavity bi-directional coupler |
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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: 20120829 Termination date: 20151201 |
|
| EXPY | Termination of patent right or utility model |