CN206541916U - A kind of four frequency combiner coupled structures - Google Patents
A kind of four frequency combiner coupled structures Download PDFInfo
- Publication number
- CN206541916U CN206541916U CN201720275173.3U CN201720275173U CN206541916U CN 206541916 U CN206541916 U CN 206541916U CN 201720275173 U CN201720275173 U CN 201720275173U CN 206541916 U CN206541916 U CN 206541916U
- Authority
- CN
- China
- Prior art keywords
- air chamber
- resonant column
- coupling bar
- cylinder type
- type hollow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model is related to combiner field, discloses a kind of four frequency combiners coupled structure.Including：Combiner port, first air chamber, second air chamber, resonant column, coupling bar and coaxial probe, the Combiner port connects the first air chamber and the second air chamber respectively, direct-coupling structure is set in second air chamber, the bottom of the resonant column is arranged on the first air chamber bottom, one of circular bottom surface and ft connection, first cylinder type hollow of the resonant column is located at the top of resonant column, the center line of second cylinder type hollow and the tubular wire intersecting vertical of resonant column, two circular bottom surfaces of the second cylinder type hollow are connected with external environment condition, the coupling bar is cylinder, the second cylinder type hollow is stretched into one end of coupling bar, the other end of the coupling bar is welded with coaxial probe, coaxial probe is welded in the outer surface of the first air chamber.Realized and used while high band and low-frequency range by the design to coupled structure.
Description
Technical field
The utility model is related to combiner technical field, specifically a kind of four frequency combiners coupled structure.
Background technology
With developing rapidly for various mobile networks, the popularization of 4G networks is necessarily a variety of logical with reference to China's actual conditions
News standard exists simultaneously.Reduction base station construction cost is in major operators and improves construction speed, frequently with multiple systems and many
Plant the scheme of network sharing base station antenna.Wherein, combiner can integrate required for communication frequency band launched with an antenna or
Person receive, solve in how multiband system signal being synthesized to all the way and ensure each band-pass behavior index reach requirement this
One key issue.
The comprehensive theory of existing combiner is also only limitted to two or three frequency bands, and the synthesis of multiband is more relied on
Go to complete in the debugging on computer optimization and engineering.The utility model is new with one kind on the basis of combiner synthesis
Tap structure, reduces bending and solder joint, improves third order intermodulation distortion.Tap be divided into from coupled mode be electrically coupled, magnetic coupling
Close.The strong and weak regulation of coupling is realized by changing the position of tap or the size of coupling unit.
The structure that existing coupling probe is directly contacted, due to be welded, is only applicable to assembling and welding procedure
It is required that relatively low wave filter, can also shadow if combiner can not only increase installation and debugging difficulty all using this tap in addition
Ring the performance of third order intermodulation.Probe disk coupled structure, such a coupling can change the diameter of disk and between resonator
Distance regulation coupling amount.Using less on Practical Project because disk is not fixed in inside cavity, rocking or
It is that can produce deformation that person, which falls, so as to change the group delay of tap, influences the performance of wave filter.
Here is traditional several frequently seen structure.（1）The structure that most common coupling probe is directly contacted, this structure should
With widest in area.The wave filter that its advantage is simple in construction, debugging is convenient, coupling is stronger, larger available for relative bandwidth.Tap
Silver wire and resonant rod are by being welded to connect, so overall structure is relatively consolidated.Have the disadvantage due to being welded, be only applicable to pair
Assembling and the relatively low wave filter of welding process requirement, if combiner can not only increase installation all using this tap in addition
Debugging difficulty, can also influence the performance of third order intermodulation.（2）Loop coupling is loaded.The part being connected to ground can be a wire,
It can be the pillar of cuboid.The size of coupling amount is adjusted according to coupling area, distance and height.Such a tap can be used in and close
The place of road device public chamber and antenna tap coupler, can adjust height and position change coupling is strong and weak.（3）Probe disk coupling
Close loading.Such a coupling can change disk diameter and with the distance between resonator regulation coupling amount.Should on Practical Project
It is that can produce deformation rocking or falling, so as to change because disk is not fixed in inside cavity with less
The group delay of tap, influences the performance of wave filter.
Utility model content
Goal of the invention of the present utility model is：Coupled for above-mentioned problem there is provided a kind of four frequency combiner
Structure.
The technical solution adopted in the utility model is such：A kind of four frequency combiner coupled structures, are specifically included：Combining
Device port, the first air chamber, the second air chamber, resonant column, coupling bar and coaxial probe, the Combiner port connect respectively
Set and set inside direct-coupling structure, first air chamber in one air chamber and the second air chamber, second air chamber
Resonant column, the bottom of the resonant column is arranged on the first air chamber bottom, and the resonant column has the first cylinder type hollow and the
Two cylinder type hollows, first cylinder type hollow is located at the top of resonant column, and first cylinder type hollow runs through resonant column
Top, the center line of second cylinder type hollow and the tubular wire intersecting vertical of resonant column, second cylinder type hollow
Through resonant column, the coupling bar is cylinder, and the second cylinder type hollow is stretched into one end of the coupling bar, the coupling bar
The other end is welded with coaxial probe, and the coaxial probe is welded in the outer surface of the first air chamber.
Further, the coaxial probe is integrally cylindrical structural, and the cylinder has hollow ring.
Further, first air chamber is hollow square body structure, and the length of side of the square is 26mm, described humorous
Shake post overall diameter be 10mm, interior diameter of the resonant column at the first cylinder type hollow be 8mm.
Further, a diameter of 3mm of the coupling bar, the length of the coupling bar is 13.5mm, the coupling bar away from
Height from the first air chamber bottom is 11.7mm.
Further, the direct-coupling structure includes the second resonant column, the second coupling bar and the second coaxial probe, described
Second resonance column bottom is arranged on the second air chamber bottom, and second resonant column has cylinder type hollow, the cylindrical empty
The heart is located at the top of the second resonant column, and the cylinder type hollow runs through the top of the second resonant column, the one of second coupling bar
End is connected with the side surface of the second resonant column, and the other end of second coupling bar is connected with the second coaxial probe, and described second
Coaxial probe and the second air chamber are welded.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1. the tap structure of this programme is not only simple in construction, installation and debugging convenient, firm firm, and does not make with resonant column
Connected with solder joint, reduce influence of the solder joint to first resonant column frequency.
2. high band use new spatial coupling bar structure, can reduce third order intermodulation distortion, shorten debug time,
Reduce bending and solder joint, improve product reliability and uniformity.
3. measured result shows, Space Coupling structure is less than 1.2dB in passband 820-880MHz loss, and Out-of-band rejection is big
In 46dB@890MHz；Passband 1920-2130MHz loss is less than 0.5dB, and Out-of-band rejection is more than 60dB@2320MHz.
Brief description of the drawings
Fig. 1 is the Space Coupling structural representation of the present utility model inside first air chamber.
Fig. 2 is the direct-coupling structure schematic diagram of the present utility model inside second air chamber.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
It is the first air chamber inner couplings structure in public chamber such as Fig. 1, the coupled structure is used in high frequency band.It is a kind of
Four frequency combiner coupled structures, are specifically included：Combiner port, the first air chamber, the second air chamber, resonant column, coupling bar and
Coaxial probe, the Combiner port is connected in the first air chamber 1 and the second air chamber 7, second air chamber 7 and set respectively
Direct-coupling structure, the inside of the first air chamber 1 sets resonant column 2, and the bottom of the resonant column 2 is arranged on the first air chamber
1 bottom, the resonant column 2 has the first cylinder type hollow 5 and the second cylinder type hollow 4, and first cylinder type hollow 5 is located at
The top of resonant column 2, first cylinder type hollow 5 runs through the top of resonant column 2, the center of second cylinder type hollow 4
The tubular wire intersecting vertical of line and resonant column 2, second cylinder type hollow 4 runs through resonant column 2, and the coupling bar 3 is cylinder
The second cylinder type hollow 4 is stretched into shape, one end of the coupling bar 3, and the other end and the coaxial probe 6 of the coupling bar 3 are welded, institute
State the outer surface that coaxial probe 6 is welded in the first air chamber 1.The air chamber of first air chamber 1 and second is public chamber,
First air chamber 1 is used for high band, and the second air cavity is used for low-frequency range.Used in the first air cavity 1
Be Space Coupling structure, the first air cavity 1 be used for high band, such as between CDMA800 frequency bands and GSM900 frequency ranges
10MHz bandwidth is differed, frequency band is separated by relatively closely, using a public chamber and the first air chamber 1, eliminated not by public chamber
With the influence between frequency range, Combiner port is then connected by coupling bar 3；Coupling bar 3 by the welding with coaxial probe 6,
By coupling bar 3 stretch into resonant column 2 it is hollow in, the pad of formula is not in contact between coupling bar 3 and resonant column 2, realize material,
The coherence and continuity of density, and the no inflection point of Space Coupling rod 3, can effectively be reduced because of tap deformation, rough surface
Caused third order intermodulation distortion, shortens debug time, improves product reliability and uniformity.
The overall coaxial probe 6 is cylindrical structural, and the cylindrical structural has hollow ring.
The hollow square body structure of first air chamber 1, the length of side of the square is outside 26mm, the resonant column 2
A diameter of 10mm, interior diameter of the resonant column 2 at the first cylinder type hollow is 8mm.
A diameter of 3mm of the coupling bar 3, the length L of the coupling bar 3 is 13.5mm, the coupling bar distance first
The height of the bottom of air chamber 1 is 11.7mm.After the diameter and height of coupling bar 3 are determined, the length L of coupling bar 3 is adjusted just
The power of coupling can be changed, the specific value of the present embodiment is preferred value.
Second air chamber 7 is used for low-frequency range, because low-frequency range needs to install disk resonant column, so being used without space empty
Between coupling bar, second air chamber 7 uses direct-coupling structure, as shown in Fig. 2 to include second humorous for the direct-coupling structure
Shake post 8, the second coupling bar 10 and the second coaxial probe 11, and the bottom of the second resonant column 8 is arranged on the bottom of the second air chamber 7,
Second resonant column 8 has cylinder type hollow 9, and the cylinder type hollow 9 is located at the top of the second resonant column 8, the cylinder
Shape hollow 9 runs through the bottom of the second resonant column 8, and one end of second coupling bar 10 is connected with the side surface of the second resonant column 8,
The other end of second coupling bar 10 is connected with the second coaxial probe 11, outside the air chamber of the second coaxial probe 11 and second
Surface soldered.The distance of the bottom of second coupling bar, 10 the second air chamber of distance 7 can adjust the time delay of centre frequency.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of four frequency combiners coupled structure, it is characterised in that including：Combiner port, the first air chamber, the second air
Chamber, resonant column, coupling bar and coaxial probe, the Combiner port connect the first air chamber and the second air chamber respectively, described
Set in second air chamber and resonant column is set inside direct-coupling structure, first air chamber, the bottom peace of the resonant column
Mounted in the first air chamber bottom, the resonant column has the first cylinder type hollow and the second cylinder type hollow, first cylinder
The hollow top positioned at resonant column of shape, first cylinder type hollow runs through the top of resonant column, second cylinder type hollow
Center line and resonant column tubular wire intersecting vertical, second cylinder type hollow run through resonant column, the coupling bar for circle
The second cylinder type hollow is stretched into cylindricality, one end of the coupling bar, and the other end and the coaxial probe of the coupling bar are welded, described
Coaxial probe is welded in the outer surface of the first air chamber.
2. four frequency combiners coupled structure as claimed in claim 1, it is characterised in that the coaxial probe is integrally cylinder
Structure, the cylinder has hollow ring.
3. four frequency combiners coupled structure as claimed in claim 2, it is characterised in that first air chamber is hollow square
Body structure, the length of side of the square is 26mm, and the overall diameter of the resonant column is 10mm, and the resonant column is in the first cylinder
The interior diameter of hollow position is 8mm.
4. four frequency combiners coupled structure as claimed in claim 3, it is characterised in that a diameter of 3mm of the coupling bar, institute
The length for stating coupling bar is 13.5mm, and the height of the first air chamber of coupling bar distance bottom is 11.7mm.
5. the four frequency combiner coupled structures as described in claim 1 or 4, it is characterised in that the direct-coupling structure includes
Second resonant column, the second coupling bar and the second coaxial probe, the second resonance column bottom are arranged on the second air chamber bottom, institute
Stating the second resonant column has cylinder type hollow, and the cylinder type hollow is located at the top of the second resonant column, the cylinder type hollow
Through the top of the second resonant column, one end of second coupling bar is connected with the side surface of the second resonant column, second coupling
The other end for closing rod is connected with the second coaxial probe, the second coaxial probe and the second air chamber welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720275173.3U CN206541916U (en) | 2017-03-21 | 2017-03-21 | A kind of four frequency combiner coupled structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720275173.3U CN206541916U (en) | 2017-03-21 | 2017-03-21 | A kind of four frequency combiner coupled structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541916U true CN206541916U (en) | 2017-10-03 |
Family
ID=59943283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720275173.3U Expired - Fee Related CN206541916U (en) | 2017-03-21 | 2017-03-21 | A kind of four frequency combiner coupled structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461998A (en) * | 2018-11-27 | 2019-03-12 | 苏州工业园区艺达精密机械有限公司 | Wideband combiner antenna opening blocking input coupling structure |
| WO2023197257A1 (en) * | 2022-04-14 | 2023-10-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Cavity resonator and filter having the same |
-
2017
- 2017-03-21 CN CN201720275173.3U patent/CN206541916U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461998A (en) * | 2018-11-27 | 2019-03-12 | 苏州工业园区艺达精密机械有限公司 | Wideband combiner antenna opening blocking input coupling structure |
| WO2023197257A1 (en) * | 2022-04-14 | 2023-10-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Cavity resonator and filter having the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104900952B (en) | The coupled structure of bimodulus dielectric resonator and metal resonators | |
| CN206541916U (en) | A kind of four frequency combiner coupled structures | |
| CN103928752A (en) | Mobile phone and antenna thereof | |
| CN201533009U (en) | Device for loading electric capacity of coaxial resonant cavity | |
| US20220271410A1 (en) | Resonator apparatus, filter apparatus as well as radio frequency and microwave device | |
| CN104377444A (en) | Mobile terminal broadband antenna with adjustable capacitors for impedance matching | |
| CN106785376A (en) | A kind of dual polarization broadband base station antenna radiation unit | |
| CN203839506U (en) | Ground board excitation LTE distribution antenna | |
| CN203839510U (en) | Mobile phone and antenna thereof | |
| CN206789691U (en) | The cylindrical four arm spiral Beidou antennas of one kind miniaturization | |
| CN104241797B (en) | Resonator and coaxial resonance duplexer for coaxial resonance duplexer | |
| CN103928753A (en) | Mobile phone and antenna thereof | |
| CN207504150U (en) | The interdigitated S-band cavity body filters of 2GHz to 4GHz | |
| CN202058839U (en) | Small-sized double-band band pass filter | |
| CN203774453U (en) | Mobile phone and antenna thereof | |
| CN202871951U (en) | Dielectric filter | |
| CN202084620U (en) | Novel band stop structure combiner | |
| CN102377002A (en) | Radio-frequency filter in mixed mode | |
| CN204441458U (en) | A kind of portable mono whip dish cone composite broadband monitoring aerial | |
| CN204391273U (en) | A kind of mobile terminal broad-band antenna adopting tunable capacitor to carry out impedance matching | |
| CN211088503U (en) | W L AN glass fiber reinforced plastic antenna | |
| CN210430042U (en) | Dual-mode dual-frequency coaxial cavity filter | |
| CN208608336U (en) | A kind of operating office high frequency cavity body filter | |
| CN201210511Y (en) | Wide frequency 3dB electric bridge | |
| CN105514532A (en) | Coupling structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20180321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |