CN207199813U - A kind of new double fluid is the same as frequency coupler - Google Patents
A kind of new double fluid is the same as frequency coupler Download PDFInfo
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- CN207199813U CN207199813U CN201720956881.3U CN201720956881U CN207199813U CN 207199813 U CN207199813 U CN 207199813U CN 201720956881 U CN201720956881 U CN 201720956881U CN 207199813 U CN207199813 U CN 207199813U
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Abstract
The utility model provides a kind of new double fluid with frequency coupler, including four port couplers, and four port couplers have the first input port, the first delivery outlet, isolated port and the first coupling aperture, and the first input port and the first delivery outlet are straight-through port；Also include three port couplers, three described port couplers have the second input port, the second delivery outlet and the second coupling aperture, second input port and the second delivery outlet are straight-through port, second coupling aperture and isolated port are direct-connected, and the signal of the first coupling aperture output couples the signal of output for the signal of the first input port and the second input port.The utility model has working band wide, it can be achieved with frequency and alien frequencies coupling combining, coupled available for (such as 800M C nets and LTE800M) repeater near end signal in the case of dual system, single channel double fluid transformation is divided in room (two input signals are respectively LTE two-ports signal), room point is the same as scenes such as frequency combinings, with the double-current improvement cost in room point is reduced, the effect of room subsystem performance is lifted.
Description
Technical field
New double fluid be the utility model is related to frequency coupler.
Background technology
In microwave system, often need microwave power all the way being divided into several roads in proportion, here it is power distribution problems.It is real
The element of this existing function is referred to as power distribution component i.e. coupler, mainly includes:Directional coupler, power divider and
Various microwave branches device.Coupler is that one kind can be such that the signal in transmission is coupled in the coupled zone of specific structure, is gone forward side by side
The passive device of row reallocation.
Coupler is the radio-frequency devices that sub-fraction signal is extracted from wireless signal trunk passage, coupler such as Fig. 1
It is shown, it is a kind of three port couplers, there is three ports in input, output end and coupled end, preferable input port power
Equal to coupling port power and output port power sum.
Pin=Pc+Pout
Directional coupler is four port networks, as shown in Fig. 2 port " 1. " is input, port " 2. " is straight-through output
End, port " 3. " is coupled output, and port " 4. " is isolation end, and sets its collision matrix as [S].Directional coupler is described
Performance indications have:The degree of coupling, isolation, degree of orientation, input vswr and bandwidth of operation.
Whether three end couplers or four end couplers above can only be realized inputs straight-through end input by input
Signal coupling output, but can not will more than 1 tunnel output signal couple output.
Utility model content
The utility model can only realize that the signal that input is inputted to straight-through end input couples output for current coupler,
But the deficiency of output can not will be coupled more than the output signal on 1 tunnel, there is provided a kind of new double fluid is the same as frequency coupler.
The utility model is that technical scheme is used by realizing its purpose of utility model：A kind of new double fluid couples with frequency
Device, including four port couplers, four described port couplers have the first input port, the first delivery outlet, isolated port and first
Coupling aperture, first input port and the first delivery outlet are straight-through port；Also include three port couplers, three described port couplings
Clutch has the second input port, the second delivery outlet and the second coupling aperture, and the second described input port and the second delivery outlet are straight-through
Port, the second described coupling aperture and isolated port are direct-connected, and the signal of the first described coupling aperture output is the first input port and the
The signal of the signal coupling output of two input ports.
The utility model has that working band is wide, can be achieved with frequency and alien frequencies coupling combining, in the case of dual system
(such as 800M C nets and LTE800M) repeater near end signal couples, and the transformation of single channel double fluid is divided in room, and (two input signals are respectively LTE
Two-port signal), with scenes such as frequency combinings, having reduces the double-current improvement cost in room point, lifts the work of room subsystem performance for room point
With.
Further, above-mentioned new double fluid is the same as in frequency coupler：Described four port couplers and three port couplers
It is 7dB couplers；The isolation of first input port and the second input port is more than 25dB, the first delivery outlet and the second delivery outlet
Isolation is more than 25dB；The degree of coupling of first input port and the second delivery outlet, the second input port and the first delivery outlet is equal to 14dB；
First input port and the second input port and the degree of coupling of the first coupling aperture are equal to 7dB.
Further, above-mentioned new double fluid is the same as in frequency coupler：Four described port couplers include the die casting of rectangle
Cavity, the inside of the die casting cavity body, which is set, makes the first input port fully achieve electrical isolation dividing plate with the first delivery outlet；Institute
Three port couplers stated include the die casting cavity body of rectangle, and the inside of the die casting cavity body, which is set, makes the second input port and second defeated
Outlet fully achieves electrical isolation dividing plate.
Further, above-mentioned new double fluid is the same as in frequency coupler：Fixed and set by screw on described die casting cavity body
Cover plate is put, described lid surface is zinc-plated.
The utility model is further detailed with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is three port couplers schematic diagram of the prior art.
Fig. 2 is four port couplers schematic diagram of the prior art.
Fig. 3 is new double-current with frequency coupler schematic diagram in the utility model.
Fig. 4 is new double-current with frequency coupler shape assumption diagram in the utility model.
Embodiment
The present embodiment is a kind of new double-current with frequency coupler, and it is by a port coupler 10 of 7dB tetra- and a 7dB tri-
What port coupler 20 freely formed.
Four port couplers 10 have the first input port 1, the first delivery outlet 3, the first coupling aperture 5 and isolated port 7；7dB's
Three port couplers 20 have the second input port 2, the second delivery outlet 4 and the second coupling aperture 6.Three port coupler coupling apertures 5 with
Four port coupler isolated ports 7 are direct-connected.Device principle figure is as shown in Figure 3.
In the present embodiment, there are following features in each port (outlet, entrance, isolated port and coupling aperture)：
1st, each port is that N-type is cloudy.
2nd, the first input port 1 and the first delivery outlet 3 (1-3 ports) are straight-through port, the second input port 2 and the second output
4 (2-4 ports) of mouth are straight-through port.
3rd, the coupling aperture 6 of three port coupler 20 and the isolated port 7 of four port coupler 10 are direct-connected.
4th, the isolation of the first input port 1 and the second input port 2>25dB, the first delivery outlet 3 and the port of the second delivery outlet 4
Isolation>25dB.
5th, the coupling of the degree of coupling=14dB of the first input port 1 and the second delivery outlet 4, the second input port 2 and the first input port 3
Right is 14dB.
6th, the first input port 1 and the degree of coupling of the first coupling aperture 5 are 7dB, the coupling of the second input port 2 and 5 first coupling apertures 5
Degree=7dB.
Structure after three port circulators 20 and the combination of four port circulators as shown in figure 4, form the new of the present embodiment
For type double fluid with frequency coupler, five ports are first outlet 3, second outlet 4, first entrance 1, second entrance 2, coupling aperture respectively
5, this five ports are N-type the moon heads.The present embodiment new double fluid with frequency coupler, including two mutually isolated couplings
Clutch die casting cavity body, the inside of coupler die casting cavity body set dividing plate, make first outlet 3, second outlet 4 mutually isolated, also make
First entrance 1, second entrance 2 are mutually isolated, wherein, cover plate is set on die casting cavity body, and surface is zinc-plated, is fixed by screw.
Input fully achieves electrical isolation with output end, and output signal is on input signal end without influence.
The product has that working band is wide, can be achieved with frequency and alien frequencies coupling combining, available in the case of dual system (such as
800M C nets and LTE800M) repeater near end signal couples, and the transformation of single channel double fluid is divided in room, and (two input signals are respectively LTE both ends
Message number), with scenes such as frequency combinings, having reduces the double-current improvement cost in room point, lifts the effect of room subsystem performance for room point.
Claims (4)
1. a kind of new double fluid has with frequency coupler, including four port couplers (10), described four port couplers (10)
First input port (1), the first delivery outlet (3), isolated port (7) and the first coupling aperture (5), first input port (1) and first
Delivery outlet (3) is straight-through port；It is characterized in that：Also include three port couplers (20), described three port couplers (20)
With the second input port (2), the second delivery outlet (4) and the second coupling aperture (6), described the second input port (2) and the second output
Mouth (4) is straight-through port, and described the second coupling aperture (6) and isolated port (7) are direct-connected, the output of described the first coupling aperture (5)
The signal that signal exports for the signal coupling of the first input port (1) and the second input port (2).
2. new double fluid according to claim 1 is the same as frequency coupler, it is characterised in that：Described four port couplers (10)
It is 7dB couplers with three port couplers (20)；The isolation of first input port (1) and the second input port (2) is more than 25dB,
The isolation of first delivery outlet (3) and the second delivery outlet (4) is more than 25dB；First input port (1) and the second delivery outlet (4),
The degree of coupling of two input ports (2) and the first delivery outlet (3) is equal to 14dB；First input port (1) and the second input port (2) and first
The degree of coupling of coupling aperture (5) is equal to 7dB.
3. new double fluid according to claim 1 is the same as frequency coupler, it is characterised in that：Described four port couplers (10)
Die casting cavity body including rectangle, the inside of the die casting cavity body, which is set, makes the first input port (1) completely real with the first delivery outlet (3)
Electrical isolation dividing plate is showed；Described three port couplers (20) include the die casting cavity body of rectangle, the inside of the die casting cavity body
Setting makes the second input port (3) fully achieve electrical isolation dividing plate with the second delivery outlet (4).
4. new double fluid according to claim 3 is the same as frequency coupler, it is characterised in that：Pass through on described die casting cavity body
Cover plate is fixedly installed in screw, and described lid surface is zinc-plated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720956881.3U CN207199813U (en) | 2017-08-02 | 2017-08-02 | A kind of new double fluid is the same as frequency coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720956881.3U CN207199813U (en) | 2017-08-02 | 2017-08-02 | A kind of new double fluid is the same as frequency coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207199813U true CN207199813U (en) | 2018-04-06 |
Family
ID=61799946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720956881.3U Expired - Fee Related CN207199813U (en) | 2017-08-02 | 2017-08-02 | A kind of new double fluid is the same as frequency coupler |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982339A (en) * | 2017-12-28 | 2019-07-05 | 中国电信股份有限公司 | Indoor distributed system and two-way coupler |
| CN113629373A (en) * | 2020-05-06 | 2021-11-09 | 中国电信股份有限公司 | Coupler, loop indoor distribution system and signal equalization method |
| CN113871832A (en) * | 2021-09-27 | 2021-12-31 | 中国电信股份有限公司 | Coupling device |
| CN114679693A (en) * | 2022-03-22 | 2022-06-28 | 中国电信股份有限公司 | Coupling device and indoor distribution system |
| CN115021775A (en) * | 2022-05-30 | 2022-09-06 | 中国电信股份有限公司 | Coupling device, signal equalization method and indoor distribution system |
-
2017
- 2017-08-02 CN CN201720956881.3U patent/CN207199813U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982339A (en) * | 2017-12-28 | 2019-07-05 | 中国电信股份有限公司 | Indoor distributed system and two-way coupler |
| CN109982339B (en) * | 2017-12-28 | 2022-02-25 | 中国电信股份有限公司 | Indoor distribution system |
| CN113629373A (en) * | 2020-05-06 | 2021-11-09 | 中国电信股份有限公司 | Coupler, loop indoor distribution system and signal equalization method |
| CN113629373B (en) * | 2020-05-06 | 2022-11-01 | 中国电信股份有限公司 | Coupler, loop indoor distribution system and signal equalization method |
| CN113871832A (en) * | 2021-09-27 | 2021-12-31 | 中国电信股份有限公司 | Coupling device |
| CN114679693A (en) * | 2022-03-22 | 2022-06-28 | 中国电信股份有限公司 | Coupling device and indoor distribution system |
| CN114679693B (en) * | 2022-03-22 | 2023-12-19 | 中国电信股份有限公司 | Coupling device and chamber division system |
| CN115021775A (en) * | 2022-05-30 | 2022-09-06 | 中国电信股份有限公司 | Coupling device, signal equalization method and indoor distribution system |
| CN115021775B (en) * | 2022-05-30 | 2023-09-05 | 中国电信股份有限公司 | Coupling device, signal equalization method and indoor distribution system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20190802 |