CN208460938U - A kind of dual-frequency channel merger - Google Patents
A kind of dual-frequency channel merger Download PDFInfo
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- CN208460938U CN208460938U CN201821366367.5U CN201821366367U CN208460938U CN 208460938 U CN208460938 U CN 208460938U CN 201821366367 U CN201821366367 U CN 201821366367U CN 208460938 U CN208460938 U CN 208460938U
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Abstract
The utility model provides a kind of dual-frequency channel merger, including first input port, the second input port, combining output port, combiner ontology, copper bar, coupling piece and resonant rod；The combiner ontology has cavity, and the cavity is divided into band block cavity and with cavity；Separate with block cavity and with wall is passed through between cavity, one circuit of each self-forming；The utility model is mainly used for the two-way radiofrequency signal of different frequency sections synthesizing radiofrequency signal all the way；By first input port and the second input port, access is combined output port to two-way radiofrequency signal jointly behind the first circuit and second servo loop respectively, synthesizes signal all the way；With the first circuit in such a way that second servo loop combines, largely reduce the quantity and volume of the bandreject filtering resonant cavity and bandpass filtering resonant cavity in dual-frequency channel merger, and make it that can accomplish very high isolation in the very high situation of relative bandwidth, with fabulous response forms, the overall performance of system is improved.
Description
Technical field
The utility model relates to a kind of combiners, particularly, are related to a kind of dual-frequency channel merger.
Background technique
In recent years, multiband, multi-service wireless communication system are more and more extensive in applications of wireless technology.Wireless communication networks
The fast development of network makes signal coverage rate substantially meet the demand of society, but also brings high density signal while demand
The problem of interval, causes the crosstalk between signal, influences the quality of communication system.The communication system in China is a variety of communication systems
Common to exist, 2G, 3G, 4G have user.Receive-transmit system is all established if it is every kind of system, not only results in the waste of resource,
But also other system systems can be interfered with, to reduce network quality, reduce power system capacity.It, must in order to alleviate the above problem
Must establish it is a kind of can Multi net voting and the system depositing and be independent of each other.Combiner is the important devices solved these problems, anxious in the industry
Need a kind of dual-frequency channel merger that the signal of different frequency range is synthesized to signal all the way.
Utility model content
The utility model aim is to provide a kind of dual-frequency channel merger, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides a kind of dual-frequency channel merger, for synthesizing two-way radiofrequency signal
For radiofrequency signal all the way, including first input port, the second input port, combining output port, combiner ontology, copper bar, coupling
Close piece and resonant rod；The combiner ontology has cavity, and the cavity is divided into band block cavity and with cavity；With block cavity and with cavity
Between pass through wall separate；The band block cavity includes first band resistance filter resonance chamber, the second bandreject filtering resonant cavity, the resistance of third band
Filter resonance chamber, the 4th bandreject filtering resonant cavity and the 5th bandreject filtering resonant cavity；The copper bar is set in band block cavity, and first
Input port hinders filter resonance chamber, the second bandreject filtering resonant cavity, third band via first band as main transmission line by copper bar
Resistance filter resonance chamber, the 4th bandreject filtering resonant cavity and the 5th bandreject filtering resonant cavity are connected with combining output port, formation the
Primary Ioops；
Described with cavity includes the first bandpass filtering resonant cavity being sequentially connected, the second bandpass filtering resonant cavity, third band
Pass filter resonant cavity, the 4th bandpass filtering resonant cavity and the 5th bandpass filtering resonant cavity；The center of each bandpass filtering resonant cavity
Position is equipped with resonant rod, and the resonant rod in the first bandpass filtering resonant cavity is connect by coupling piece with the second input port, the
Resonant rod in five bandpass filtering resonant cavities is connected by coupling piece with the copper bar, and then is connect with combining output port, shape
At second servo loop.
Preferably, the tuning screw for adjusting frequency is additionally provided in the cavity；The tuning screw includes the first tune
Humorous screw rod and the second tuning screw；First tuning screw is set in band block cavity through inner cover plate；The second tuning spiral shell
Bar is set in band cavity through inner cover plate.
On the whole, the first circuit can prevent the radiofrequency signal of certain frequency segment from inputting simultaneously from the first input port
It is transferred to combining output port, while the radiofrequency signal other than the frequency separation section can input from first input port and pass through each
Radio frequency model after coupling is transferred in combining output port by the coupling between bandreject filtering resonant cavity, while can also be by the
One tuning screw is adjusted with the frequency in block cavity.
On the whole, the radiofrequency signal of special frequency band can be inputted from the second input port and pass through each band logical by second servo loop
Coupling between filter resonance chamber by the radio signal transmission after coupling into combining output port, while can also cooperate the second tune
Humorous screw rod adjusts the intracavitary frequency of band logical.
The two-way radiofrequency signal of different frequency section section can be passed through the first input by a kind of dual-frequency channel merger of the utility model
Port and the second input port input, and are input to combining output port jointly behind the first circuit and second servo loop respectively, synthesize
For radiofrequency signal all the way；By way of being combined with bandpass filter and bandstop filter, largely reduce
The quantity and volume of bandreject filtering resonant cavity and bandpass filtering resonant cavity in dual-frequency channel merger, and make its relative bandwidth very
High situation can accomplish very high isolation, have fabulous response forms, improve the overall performance of system.
Preferably, the copper bar includes copper bar main body and multiple copper bar monomers, copper bar main body and copper bar monomer integrally connected,
Multiple copper bar monomers are respectively arranged in bandreject filtering resonant cavity, and the copper bar main body is set in band block cavity.
Preferably, a kind of dual-frequency channel merger include for cover close cavity inner cover plate, the inner cover plate be equipped with it is multiple with
The mounting hole and multiple fixation holes for being connect with cavity screw that tuning screw matches.
Preferably, a kind of dual-frequency channel merger includes flying bar assembly, and the winged bar assembly includes being fixed on bandpass filtering resonance
The winged pole socket of chamber and the winged bar for being installed on the winged pole socket；The winged bar assembly is set to the side of third band logical resonant cavity
(side far from copper bar).On the whole, the winged bar assembly can be reinforced in adjacent two bandpass filterings resonant cavity between resonant rod
Coupling improves the Out-of-band rejection of bandpass filter, and winged bar assembly structure is simple, and manufacture easy to produce reduces production cost.
Preferably, a kind of dual-frequency channel merger includes for covering the outer cover plate for closing cavity, and closing outer cover plate by lid can be to cavity
And the intracorporal each component of chamber plays protective action.
The utility model has the following beneficial effects:
The utility model provides a kind of dual-frequency channel merger, including first input port, the second input port, combining output
Port, combiner ontology, copper bar, coupling piece, resonant rod and tuning screw；The combiner ontology has cavity, the cavity
It is divided into band block cavity and with cavity；Separate with block cavity and with wall is passed through between cavity；The utility model is mainly used for different frequencies
The two-way radiofrequency signal of rate section synthesizes radiofrequency signal all the way；Two-way radiofrequency signal passes through first input port and the second input terminal
Access is combined output port to mouth jointly behind the first circuit and second servo loop respectively, synthesizes signal all the way；By using first
The mode that circuit is combined with second servo loop largely reduces bandreject filtering resonant cavity and band in dual-frequency channel merger
The quantity and volume of pass filter resonant cavity, and make it that can accomplish very high isolation in the very high situation of relative bandwidth, have
Fabulous response forms improve the overall performance of system.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is a kind of dual-frequency channel merger structural schematic diagram of the utility model；
Fig. 2 is a kind of inner cover plate structural schematic diagram of dual-frequency channel merger of the utility model；
Fig. 3 is a kind of outer cover plate structural schematic diagram of dual-frequency channel merger of the utility model；
Wherein, 1, first input port, the 2, second input port, 3, combining output port, 4A, combiner ontology, 4a, band
Resistance filter, 4, cavity, 4.1 band block cavities, 4.11, first band resistance filter resonance chamber, the 4.12, second bandreject filtering resonant cavity,
4.13, third bandreject filtering resonant cavity, the 4.14, the 4th bandreject filtering resonant cavity, the 4.15, the 5th bandreject filtering resonant cavity, 4b, band
Bandpass filter, 4.2, band cavity, the 4.21, first bandpass filtering resonant cavity, the 4.22, second bandpass filtering resonant cavity, 4.23, third
Bandpass filtering resonant cavity, the 4.24, the 4th bandpass filtering resonant cavity, the 4.25, the 5th bandpass filtering resonant cavity, 4.3, copper bar, 4.31,
Copper bar monomer, 4.32, copper bar main body, 4.4, coupling piece, 4.5, resonant rod, 4.6, winged bar assembly, 4.7, inner cover plate, 4.71, peace
Fill hole, 4.72, fixation hole, 4.8, outer cover plate.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Benefit requires to limit and the multitude of different ways of covering is implemented.
Referring to Fig. 1 to Fig. 3, the utility model provides a kind of dual-frequency channel merger, for synthesizing two-way radiofrequency signal
Radiofrequency signal all the way, including first input port 1, the second input port 2, combining output port 3, combiner ontology 4A, copper bar
4.3, coupling piece 4.4 and resonant rod 4.5；The combiner ontology has cavity 4, and the cavity is divided into band block cavity 4.1 and band logical
Chamber 4.2；Separate with block cavity and with wall is passed through between cavity；The band block cavity includes first band resistance filter resonance chamber 4.11, the
Two bandreject filtering resonant cavities 4.12, third bandreject filtering resonant cavity 4.13, the 4th bandreject filtering resonant cavity 4.14 and the 5th band resistance
Filter resonance chamber 4.15；The copper bar is set in band block cavity, and first input port is by copper bar as main transmission line via the
One bandreject filtering resonant cavity, the second bandreject filtering resonant cavity, third bandreject filtering resonant cavity, the 4th bandreject filtering resonant cavity and
Five bandreject filtering resonant cavities are connected with combining output port, form the first circuit；First circuit is equivalent to a band resistance filter
Wave device 4a, for the bandstop filter that can receive 50~2200MHz radiofrequency signal；Because of the radiofrequency signal of 50~2200MHz frequency band
Broader bandwidth, therefore its band block cavity need to be separated with wall；The bandstop filter can prevent the section 50~2200MHz band frequency
Radiofrequency signal in addition inputs from the first input port and is transferred to combining output port, and can by the segment 50~
The radiofrequency signal of 2200MHz frequency inputs from first input port and passes through first band resistance filter resonance chamber, the second bandreject filtering
The coupling of resonant cavity, third bandreject filtering resonant cavity, the 4th bandreject filtering resonant cavity and the 5th bandreject filtering resonant cavity, after coupling
Radio frequency model be transferred to again combining output port in.
Described with cavity includes the first bandpass filtering resonant cavity 4.21 being sequentially connected, the second bandpass filtering resonant cavity
4.22, third bandpass filtering resonant cavity 4.23, the 4th bandpass filtering resonant cavity 4.24 and the 5th bandpass filtering resonant cavity 4.25；Often
The center of a bandpass filtering resonant cavity is equipped with resonant rod, and the resonant rod in the first bandpass filtering resonant cavity passes through coupling piece
It is connect with the second input port, the resonant rod in the 5th bandpass filtering resonant cavity is connected by coupling piece with the copper bar, in turn
It is connect with combining output port, forms second servo loop；The second servo loop is equivalent to a bandpass filter 4b, be 2400~
The bandpass filter of 2500MHz radiofrequency signal；It is narrowband because the radiofrequency signal quality factor of 2400~2500MHz frequency band is high
Filtering signal, therefore the bandpass filtering resonant cavity taken with cavity without wall separation and being sequentially communicated；The third band logical
The side of filter resonance chamber is equipped with far from copper bar side flies bar assembly 4.6, and the winged bar assembly is humorous including being fixed on bandpass filtering
The winged bar to shake on the winged pole socket and installation and the winged pole socket of chamber；On the whole, the winged bar assembly can reinforce adjacent two band logicals filter
Coupling in wave resonance chamber between resonant rod improves the Out-of-band rejection of bandpass filter, and winged bar assembly structure is simple, convenient for life
Manufacture is produced, production cost is reduced；The copper bar 4.3 include copper bar main body 4.32 and multiple copper bar monomers 4.31, copper bar main body and
Copper bar monomer integrally connected, multiple copper bar monomers are respectively arranged in bandreject filtering resonant cavity, and the copper bar main body is set to band
In block cavity.
Be additionally provided with the tuning screw for adjusting frequency in the cavity, the tuning screw include the first tuning screw and
Second tuning screw；First tuning screw is set in band block cavity through inner cover plate；Second tuning screw is through interior
Cover board is set in band cavity.11 the first tuning screws, nine the second tuning screws are used in the utility model；Specifically
: first tuning screw is provided in each bandreject filtering resonant cavity；Other six the first tuning screws are set to
In band block cavity, it is located above the copper bar main body；Five the second tuning screws extend through inner cover plate and connect with the resonant rod；
Remaining four second tuning screw is respectively arranged at the center between two resonant rods；The tuning screw is connect with inner cover plate
Place is additionally provided with anti-skid washer and eyebolt for reinforcing connection.
The bandstop filter can be adjusted by the first tuning screw with the frequency in block cavity, while can prevent 50~
Radiofrequency signal other than the band frequency of the section 2200MHz inputs from the first input port and is transferred to combining output port, can
The radiofrequency signal of the segment 50~2200MHz frequency is inputted from first input port and passes through first band resistance filter resonance
Chamber, the second bandreject filtering resonant cavity, third bandreject filtering resonant cavity, the 4th bandreject filtering resonant cavity and the 5th bandreject filtering resonance
The coupling of chamber, the radio frequency model after coupling are transferred to again in combining output port.
The bandpass filter can be adjusted by the second tuning screw with the frequency in cavity, at the same can by 2400~
The radiofrequency signal of 2500MHz frequency band inputs from the second input port and passes through the coupling between each bandpass filtering resonant cavity, coupling
Radiofrequency signal afterwards is in being transferred to combining output port.
A kind of dual-frequency channel merger includes for covering the inner cover plate 4.7 for closing cavity, and the inner cover plate is equipped with multiple with tuning
The mounting hole 4.71 and multiple fixation holes 4.72 for being connect with cavity screw that screw rod matches；The copper bar includes copper bar coupling
Zygonema contact, the copper bar is connected to first input port and combining output port, by the way that copper bar coupling line contact to be welded to
On adapter connector contact pin, it can be connected with first input port and combining output port, the coupling piece uses high frequency copper sheet
Coupling piece can be with the second input by the way that high frequency copper sheet coupling piece to be welded on the second input port adapter connector contact pin
Port is connected, and when welding pays attention to solder joint without rosin joint, and Glabrous thorn and solder joint is small, welding temperature is 370~390 DEG C.It is a kind of double
Frequency combiner further includes passing through lid after regulating frequency in cavity by tuning screw for covering the outer cover plate 4.8 of conjunction cavity
Close outer cover plate can each component intracorporal to cavity and chamber play protective action, while making dual-frequency channel merger beautiful big on the whole
Side.
The two-way radiofrequency signal of different frequency section section can be passed through the first input by a kind of dual-frequency channel merger of the utility model
Port and the second input port input, and are input to combining output port jointly behind the first circuit and second servo loop respectively, synthesize
For radiofrequency signal all the way；By way of being combined with bandpass filter and bandstop filter, largely reduce
The quantity and volume of bandreject filtering resonant cavity and bandpass filtering resonant cavity in dual-frequency channel merger, and make its relative bandwidth very
High situation can accomplish very high isolation, have fabulous response forms, improve the overall performance of system.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of dual-frequency channel merger, for two-way radiofrequency signal to be synthesized radiofrequency signal all the way, which is characterized in that including first
Input port (1), the second input port (2), combining output port (3), combiner ontology (4A), copper bar (4.3), coupling piece
(4.4) and resonant rod (4.5)；The combiner ontology has cavity (4), and the cavity is divided into band block cavity (4.1) and with cavity
(4.2)；Separate with block cavity and with wall is passed through between cavity；The band block cavity include first band resistance filter resonance chamber (4.11),
Second bandreject filtering resonant cavity (4.12), third bandreject filtering resonant cavity (4.13), the 4th bandreject filtering resonant cavity (4.14) and
5th bandreject filtering resonant cavity (4.15)；The copper bar is set in band block cavity, and first input port is by copper bar as main biography
Defeated line hinders filter resonance chamber, the second bandreject filtering resonant cavity, third bandreject filtering resonant cavity, the 4th bandreject filtering via first band
Resonant cavity and the 5th bandreject filtering resonant cavity are connected with combining output port, form the first circuit；
Described with cavity includes the first bandpass filtering resonant cavity (4.21), the second bandpass filtering resonant cavity being sequentially connected
(4.22), third bandpass filtering resonant cavity (4.23), the 4th bandpass filtering resonant cavity (4.24) and the 5th bandpass filtering resonant cavity
(4.25)；The center of each bandpass filtering resonant cavity is equipped with resonant rod, the resonant rod in the first bandpass filtering resonant cavity
It is connect by coupling piece with the second input port, the resonant rod in the 5th bandpass filtering resonant cavity passes through coupling piece and the copper bar
It is connected, and then is connect with combining output port, forms second servo loop.
2. a kind of dual-frequency channel merger according to claim 1, which is characterized in that be additionally provided in the cavity for adjusting frequency
The tuning screw of rate；The tuning screw includes the first tuning screw and the second tuning screw；First tuning screw runs through
Inner cover plate is set in band block cavity；Second tuning screw is set in band cavity through inner cover plate.
3. a kind of dual-frequency channel merger according to claim 1, which is characterized in that the copper bar includes copper bar main body (4.32)
With multiple copper bar monomers (4.31), multiple copper bar monomers are respectively arranged in bandreject filtering resonant cavity, the copper bar main body setting
In band block cavity.
4. a kind of dual-frequency channel merger according to claim 1, which is characterized in that including for covering the inner cover plate for closing cavity
(4.7), the inner cover plate is equipped with multiple mounting holes (4.71) to match with tuning screw and multiple is used for and cavity screw
The fixation hole (4.72) of connection.
5. a kind of dual-frequency channel merger according to claim 1, which is characterized in that including flying bar assembly (4.6), the winged bar
Component includes the winged bar for being fixed on the winged pole socket of bandpass filtering resonant cavity and being installed on the winged pole socket；The winged bar assembly is set
It is placed in the side of third band logical resonant cavity.
6. a kind of dual-frequency channel merger ccording to any one of claims 1 to 5, which is characterized in that including closing cavity for covering
Outer cover plate (4.8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366367.5U CN208460938U (en) | 2018-08-23 | 2018-08-23 | A kind of dual-frequency channel merger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366367.5U CN208460938U (en) | 2018-08-23 | 2018-08-23 | A kind of dual-frequency channel merger |
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| Publication Number | Publication Date |
|---|---|
| CN208460938U true CN208460938U (en) | 2019-02-01 |
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ID=65178779
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821366367.5U Active CN208460938U (en) | 2018-08-23 | 2018-08-23 | A kind of dual-frequency channel merger |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258235A (en) * | 2021-03-31 | 2021-08-13 | 深圳市数创众泰科技有限公司 | Combiner and communication equipment |
| CN115377637A (en) * | 2022-09-26 | 2022-11-22 | 河北优圣通信科技有限公司 | Tunable cavity filter |
| CN115458893A (en) * | 2022-10-18 | 2022-12-09 | 河北优圣通信科技有限公司 | Tunable duplexer |
| CN115498459A (en) * | 2022-10-10 | 2022-12-20 | 人天通信集团有限公司 | Multi-path same-frequency combiner |
| CN115706300A (en) * | 2021-08-06 | 2023-02-17 | 大富科技(安徽)股份有限公司 | Radio frequency device with maintainer cover plate |
-
2018
- 2018-08-23 CN CN201821366367.5U patent/CN208460938U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258235A (en) * | 2021-03-31 | 2021-08-13 | 深圳市数创众泰科技有限公司 | Combiner and communication equipment |
| CN113258235B (en) * | 2021-03-31 | 2022-07-12 | 深圳市数创众泰科技有限公司 | Combiner and communication equipment |
| CN115706300A (en) * | 2021-08-06 | 2023-02-17 | 大富科技(安徽)股份有限公司 | Radio frequency device with maintainer cover plate |
| CN115377637A (en) * | 2022-09-26 | 2022-11-22 | 河北优圣通信科技有限公司 | Tunable cavity filter |
| CN115498459A (en) * | 2022-10-10 | 2022-12-20 | 人天通信集团有限公司 | Multi-path same-frequency combiner |
| CN115498459B (en) * | 2022-10-10 | 2023-11-21 | 人天通信集团有限公司 | Multipath same-frequency combiner |
| CN115458893A (en) * | 2022-10-18 | 2022-12-09 | 河北优圣通信科技有限公司 | Tunable duplexer |
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