CN203398250U - Adjustable circuit structure used for medium resonator for producing negative electrode coupling - Google Patents
Adjustable circuit structure used for medium resonator for producing negative electrode coupling Download PDFInfo
- Publication number
- CN203398250U CN203398250U CN201320549792.9U CN201320549792U CN203398250U CN 203398250 U CN203398250 U CN 203398250U CN 201320549792 U CN201320549792 U CN 201320549792U CN 203398250 U CN203398250 U CN 203398250U
- Authority
- CN
- China
- Prior art keywords
- coupling
- metal tube
- cable
- dielectric resonator
- line segment
- 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
Images
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses an adjustable circuit structure used for a medium resonator for producing negative electrode coupling. The adjustable circuit structure includes a medium pipe and a coupling cable. The medium pipe is nested in a metal pipe fixedly. The coupling cable penetrates through a central axle hole of the medium pipe and a coaxial transmission line section is formed by the coupling cable and the medium pipe together in the metal pipe. Two ends of the coupling cable are led out from side holes in two ends of the metal pipe respectively. An upper leading-out end tip of the coupling cable led from the side hole of the upper end of the metal pipe is welded on the outer periphery of the lower end of the metal pipe while a lower lead-out end tip of the coupling cable led from the side hole of the lower end of the metal tube is welded on the outer periphery of the upper end of the metal pipe. A coupled circuit structure enclosed in an end-to-end manner is formed by the coupling cable and the metal pipe. The metal pipe is fixedly equipped with an adjusting screw rod used for rotating the coupling circuit for adjusting a coupling value of the medium resonator. By adopting the adjustable circuit structure provided by the utility model, problems that negative coupling is limited and coupling strength is difficult to adjust in a traditional coupling wire assembling process are solved effectively. And the adjustable circuit structure has characteristics of being simple in structure and convenient in adjustment.
Description
Technical field
The utility model relates to the technical field of wireless communication industry, particularly relates to the coupling element between cavity body filter medium resonator, specifically for dielectric resonator, produces the adjustable loop structure of negative pole coupling.
Background technology
TM resonator list chamber is comprised of metal shell and TM dielectric resonator.Metal shell is comprised of two parts, the shell of upper opening and a cover plate covering at opening.TM resonator is a dielectric rod or Yi Ge top, the metallized medium tube of lower surface.The surface metalation of TM resonator is to have good connectivity for the bottom in bonding chamber and cover plate.The magnetic field of TM resonator need be used for producing both positive and negative polarity coupling, and the cover plate that coil is connected to other cavitys from a cavity bottom is the method that standard is done negative pole coupling.And can produce the cable connected mode being just coupled, can be the connection of cover plate and cover plate or the connection of bottom and bottom, the two selects one.In prior art, the method that traditional sucrose resonator utilizes a coupling copper cash or copper sheet to produce negative coupling has a lot of problems, for example, be first in assembling, will be coupled copper cash or copper sheet ground connection difficulty.Next is to be difficult to make to be coupled copper cash or the very strong coupling of copper sheet generation.It three is the values that are difficult to change negative coupling.It four is to be unfavorable for solving in assembling, running into limited negative coupling and the strong and weak problem of adjusting of coupling.Therefore there is a lot of weak points in this kind of coupling process.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, and provide there is simple in structure, function admirable, assembling easily, debugging is convenient and can produce very close coupling for dielectric resonator, produce the adjustable loop structure of negative pole coupling.
The utility model solves the problems of the technologies described above adopted technical scheme: the adjustable loop structure that produces negative pole coupling for dielectric resonator, comprise medium tube that PTFE material or FEP material are made and for generation of the coupling cable of coupling, medium tube is fixedly nested in a metal tube, coupling cable passes the central shaft hole of medium tube and in metal tube, be formed with a coaxial transmission line segment together with this medium tube, draw from the side opening at metal tube two ends respectively at the two ends of coupling cable, and coupling cable from metal tube upper end side opening, draw exit termination be welded on the lower end outer peripheral face of metal tube, coupling cable from metal tube lower end side opening, draw exit termination be welded on the upper end outer peripheral face of metal tube, this coupling cable and metal tube form a coupling circuit structure that joins end to end closed, metal tube is fixedly fitted with the adjusting screw(rod) that this coupling circuit of rotation regulates coupling value between dielectric resonator.
For optimizing technique scheme, the measure of taking also comprises:
The upper exit of above-mentioned coupling cable and lower exit be formed with respectively the first coupling line segment of paralleling with coaxial transmission line segment and the second coupling line segment or, the coupling lower exit of cable and upper exit are formed with respectively the first coupling line segment and the second coupling line segment paralleling with coaxial transmission line segment.
On the side face at the two ends up and down of above-mentioned metal tube, be all shaped with location hole, the equal positioning welding in upper exit termination and lower exit termination of coupling cable is in location hole.
The upper surface of above-mentioned metal tube is shaped with recessed positioning chamber, and the lower end of adjusting screw(rod) is fixedly welded in this positioning chamber.
On adjusted screw rod, be shaped with adjusting external screw thread.
Above-mentioned adjusting screw(rod) is fitted with locking nut.
Above-mentioned medium tube insulation is nested in the tube chamber of metal tube.
On the end face of above-mentioned adjusting screw(rod), be shaped with cross, the yi word pattern or the combined instrument notch of cross one word that facilitate tool using rotation.
The top of above-mentioned adjusting screw(rod) is shaped with the polygon spanner portion of convenient wrench rotation.
Compared with prior art, the utility model adopts metal tube, medium tube and coupling cable and adjusting screw(rod) to form a kind of adjustable coupling loop structure with coaxial transmission cable, not only efficiently solve tradition coupling copper cash or copper sheet assembling is difficult to and stiffness of coupling is weak problem, but also can regulate easily the coupling value between two dielectric resonators by rotation adjusting screw(rod), simultaneously because coupling circuit has coaxial transmission line segment, in coupling process, do not cancel out each other in magnetic field, thereby can obtain best and the strongest coupling effect.The utility model can change the coupling value between resonator with regulative mode very easily, solve the strong and weak problem adjusted of being difficult to of negative coupling limited in traditional cavity body filter assembling and coupling, and has simple in structurely, and assembling easily and debug feature easily.
Accompanying drawing explanation
Fig. 1 is the broken section structural representation of the utility model embodiment;
Fig. 2 is the assembly structure schematic diagram of metal tube and medium tube in Fig. 1;
Fig. 3 is the structural representation of metal tube in Fig. 1;
Fig. 4 is negative one of the schematic diagram that is of coupled connections of the coupling copper cash of cavity body filter in conventional art;
Fig. 5 is negative two of the schematic diagram that is of coupled connections of the coupling copper cash of cavity body filter in conventional art.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 3 shows that structural representation of the present utility model.
Reference numeral is wherein: positioning chamber K, location hole M, the first coupling line segment i1, coaxial transmission line segment i3, the second coupling line segment i5, metal tube 1, side opening 1a, lower end, upper end side opening 1b, tube chamber 11, medium tube 2, central shaft hole 2a, coupling cable 3, adjusting screw(rod) 4, dielectric resonator 5, cavity 6, coupling copper cash 7, coupling window 8.
As shown in Figures 1 to 3, the adjustable loop structure that produces negative pole coupling for dielectric resonator of the present utility model, comprise medium tube 2 that PTFE material or FEP material are made and for generation of the coupling cable 3 of coupling, medium tube 2 is fixedly nested in a metal tube 1, coupling cable 3 passes the central shaft hole 2a of medium tube 2 and in metal tube 1, be formed with a coaxial transmission line segment i3 together with this medium tube 2, draw from the side opening at metal tube 1 two ends respectively at the two ends of coupling cable 3, and coupling cable 3 from metal tube 1 upper end side opening 1a, draw exit termination be welded on the lower end outer peripheral face of metal tube 1, coupling cable 3 from metal tube 1 lower end side opening 1b, draw exit termination be welded on the upper end outer peripheral face of metal tube 1, this coupling cable 3 forms a coupling circuit structure that joins end to end closed with metal tube 1, metal tube 1 is fixedly fitted with the adjusting screw(rod) 4 that this coupling circuit of rotation regulates coupling value between dielectric resonator.In prior art, as shown in Figure 4 and Figure 5, the cover plate that coupling copper cash 7 is linked other cavity 6 from the bottom of a cavity 6 through coupling window 8 is to produce negative pole coupling common method, and this method is difficult to produce strong coupling.As shown in Figure 5, while only having coupling copper cash 7 current i 6 in the parallel i.e. figure of height of coupling copper cash 7 and resonator 5 and current i 8, could produce magnetic field, stiffness of coupling can approach resonator 5 and strengthen along with coupling copper cash 7, and increases the length of coupling copper cash 7 or length that increase is parallel to the coupling copper cash 7 of resonator 2 height also can strengthen stiffness of coupling.As can be seen from the figure, this kind of method is difficult to regulate the distance of 5 of coupling copper cash 7 resonator, is therefore difficult to obtain strong coupling, is also difficult for regulating coupling value, and coupling copper cash 7 difficulty that is linked and packed is high.The utility model utilizes metal tube 1, medium tube 2 and coupling cable 3 to form a coupling circuit with coaxial transmission line segment i3 structure, metal tube 1 is fixedly connected with the adjusting screw(rod) 4 of this coupling circuit of rotation simultaneously, make people by adjusting screw(rod) 4, adjust easily the distance of coupling cable 3 and dielectric resonator, change coupling value.Coaxial transmission line impedence will maximize transmission, and magnetic field is less than offsetting, thereby can obtain very strong coupling, and adjusting screw(rod) 4 can be equipped with resonator spiral, makes to install simple and convenient.The utility model advantage is: install easy to adjust, stiffness of coupling is high, efficiently solves the strong and weak problem adjusted of being difficult to of negative coupling limited in the assembling of traditional cavity body filter and coupling, has simple in structurely, assembling is easily and debug feature easily.
In embodiment, the coupling upper exit of cable 3 and lower exit be formed with respectively the first coupling line segment i1 of paralleling with coaxial transmission line segment i3 and the second coupling line segment i5 or, the lower exit of coupling cable 3 and upper exit are formed with respectively the first coupling line segment i1 and the second coupling line segment i5 paralleling with coaxial transmission line segment i3.The utility model can be arranged on by adjusting screw(rod) 4 the cover plate bottom surface of resonator cavities box, by rotation adjusting screw(rod) 4, regulate easily the first coupling line segment i1 and the second coupling line segment i5 distance of dielectric resonator apart, due to the insulation between coaxial transmission line and magnetic field and dielectric resonator, does not offset in magnetic field, make the first coupling line segment i1 and the second coupling line segment i5 there is very strong coupling, and the height of coupling length resonator is equally long.
In embodiment, on the side face at the two ends up and down of metal tube 1, be all shaped with location hole M, the equal positioning welding in upper exit termination and lower exit termination of coupling cable 3 is in location hole M.Metal tube 1 is shaped with location hole M can strengthen the fastness that coupling cable 3 connects, and metal tube 1 is contacted well with coupling cable 3.
In embodiment, the upper surface of metal tube 1 is shaped with recessed positioning chamber K, and the lower end of adjusting screw(rod) 4 is fixedly welded in this positioning chamber K.Adjusting screw(rod) 4 of the present utility model is Split type structure with metal tube 1, and two all by being weldingly connected, and rotates like this adjusting screw(rod) 4 and just can drive coupling circuit rotation to change coupling space.Certainly adjusting screw(rod) 4 and metal tube 1 also can adopt integrative-structure.
In embodiment, on adjusting screw(rod) 4, be shaped with adjusting external screw thread.
In embodiment, adjusting screw(rod) 4 is fitted with locking nut.Coupling circuit is adjusted to behind desired position, can pass through locking nut locking positioning, and locking nut of the present utility model is not shown.
In embodiment, medium tube 2 insulation are nested in the tube chamber 11 of metal tube 1.
In embodiment, on the end face of adjusting screw(rod) 4, be shaped with cross, the yi word pattern or the combined instrument notch of cross one word that facilitate tool using rotation.
Certainly in embodiment, the top of adjusting screw(rod) 4 also can be shaped with the polygon spanner portion of convenient wrench rotation.
The utility model can relatively easily change coupling value by rotation adjustable coupling loop.Rotation can increase or reduce the distance between coupling cable and dielectric resonator.The utility model can be connected on the cover plate of filter easily, has solved conventional art coupling weak and be difficult to regulate and equipped problem, and have simple in structure, easy to use, the feature that coupling effect is good.
Claims (9)
1. for dielectric resonator, produce the adjustable loop structure of negative pole coupling, comprise medium tube (2) that PTFE material or FEP material are made and for generation of the coupling cable (3) of coupling, it is characterized in that: described medium tube (2) is fixedly nested in a metal tube (1), described coupling cable (3) passes the central shaft hole (2a) of described medium tube (2) and in metal tube (1), be formed with a coaxial transmission line segment (i3) together with this medium tube (2), draw from the side opening at metal tube (1) two ends respectively at the two ends of described coupling cable (3), and described coupling cable (3) from metal tube (1) upper end side opening (1a), draw exit termination be welded on the lower end outer peripheral face of metal tube (1), described coupling cable (3) from metal tube (1) lower end side opening (1b), draw exit termination be welded on the upper end outer peripheral face of metal tube (1), this coupling cable (3) forms a coupling circuit structure that joins end to end closed with metal tube (1), described metal tube (1) is fixedly fitted with the adjusting screw(rod) (4) that this coupling circuit of rotation regulates coupling value between dielectric resonator.
2. the adjustable loop structure that produces negative pole coupling for dielectric resonator according to claim 1, it is characterized in that: the upper exit of described coupling cable (3) and lower exit be formed with respectively the first coupling line segment (i1) of paralleling with coaxial transmission line segment (i3) and the second coupling line segment (i5) or, the lower exit of described coupling cable (3) and upper exit are formed with respectively the first coupling line segment (i1) and second paralleling with coaxial transmission line segment (i3) line segment (i5) that is coupled.
3. the adjustable loop structure that produces negative pole coupling for dielectric resonator according to claim 2, it is characterized in that: on the side face at the two ends up and down of described metal tube (1), be all shaped with location hole (M), the equal positioning welding in upper exit termination and lower exit termination of described coupling cable (3) is in location hole (M).
4. the adjustable loop structure that produces negative pole coupling for dielectric resonator according to claim 3, it is characterized in that: the upper surface of described metal tube (1) is shaped with recessed positioning chamber (K), the lower end of described adjusting screw(rod) (4) is fixedly welded in this positioning chamber (K).
5. the adjustable loop structure that produces negative pole coupling for dielectric resonator according to claim 4, is characterized in that: described adjusting screw(rod) is shaped with adjusting external screw thread on (4).
6. the adjustable loop structure that produces negative pole coupling for dielectric resonator according to claim 5, is characterized in that: described adjusting screw(rod) (4) is fitted with locking nut.
7. the adjustable loop structure that produces negative pole coupling for dielectric resonator according to claim 6, is characterized in that: described medium tube (2) insulation is nested in the tube chamber (11) of metal tube (1).
8. the adjustable loop structure that produces negative pole coupling for dielectric resonator according to claim 7, is characterized in that: on the end face of described adjusting screw(rod) (4), be shaped with cross, the yi word pattern or the combined instrument notch of cross one word that facilitate tool using rotation.
9. the adjustable loop structure that produces negative pole coupling for dielectric resonator according to claim 7, is characterized in that: the top of described adjusting screw(rod) (4) is shaped with the polygon spanner portion of convenient wrench rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549792.9U CN203398250U (en) | 2013-09-05 | 2013-09-05 | Adjustable circuit structure used for medium resonator for producing negative electrode coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549792.9U CN203398250U (en) | 2013-09-05 | 2013-09-05 | Adjustable circuit structure used for medium resonator for producing negative electrode coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203398250U true CN203398250U (en) | 2014-01-15 |
Family
ID=49909755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320549792.9U Expired - Fee Related CN203398250U (en) | 2013-09-05 | 2013-09-05 | Adjustable circuit structure used for medium resonator for producing negative electrode coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203398250U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218281A (en) * | 2014-08-27 | 2014-12-17 | 西安空间无线电技术研究所 | TE01 mode dielectric filter |
| CN106463808A (en) * | 2014-03-26 | 2017-02-22 | 上海贝尔股份有限公司 | Adjustable phase-inverting coupling loop |
| CN113851803A (en) * | 2020-06-28 | 2021-12-28 | 大富科技(安徽)股份有限公司 | Filter and communication equipment |
-
2013
- 2013-09-05 CN CN201320549792.9U patent/CN203398250U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106463808A (en) * | 2014-03-26 | 2017-02-22 | 上海贝尔股份有限公司 | Adjustable phase-inverting coupling loop |
| CN106463808B (en) * | 2014-03-26 | 2021-12-31 | 上海贝尔股份有限公司 | Adjustable reverse phase coupling loop |
| CN104218281A (en) * | 2014-08-27 | 2014-12-17 | 西安空间无线电技术研究所 | TE01 mode dielectric filter |
| CN104218281B (en) * | 2014-08-27 | 2017-02-15 | 西安空间无线电技术研究所 | TE01 mode dielectric filter |
| CN113851803A (en) * | 2020-06-28 | 2021-12-28 | 大富科技(安徽)股份有限公司 | Filter and communication equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103441317B (en) | Cavity filter with rotation adjustable loop | |
| CN203398250U (en) | Adjustable circuit structure used for medium resonator for producing negative electrode coupling | |
| CN201838698U (en) | Filter with reinforced coupled structure | |
| CN206313107U (en) | Hybrid guided mode radio-frequency filter | |
| CN203119067U (en) | Cavity filter | |
| CN108110903A (en) | A kind of gradually wide structural model and optimization method for gradually opening spiral PCB resonance coils | |
| CN202601367U (en) | Inductance device of bidirectional adjustable magnetic core | |
| CN105161826A (en) | Dual-polarized ultra-wideband base station antenna radiation unit | |
| CN204303433U (en) | A kind of electric induction furnace hollow type water-cooled cable | |
| CN203406401U (en) | Adjustable coupling loop of dielectric resonator | |
| CN203406399U (en) | Cavity filter with rotatable and adjustable loop | |
| CN203398248U (en) | Cavity filter with high coupling strength | |
| CN203406402U (en) | Cavity filter enabling adjustment of coupling distance | |
| CN204333306U (en) | Straight wire pin | |
| CN206098629U (en) | Adjustable pole structure that flies of coaxial cavity wave filter | |
| CN102982971B (en) | A kind of transformer high-voltage winding | |
| CN204167534U (en) | N-type elbow inner wire installation type | |
| CN207074771U (en) | A kind of two connectors | |
| CN207426103U (en) | A kind of coaxial dual directional coupler | |
| CN207426102U (en) | A kind of coaxial single directional coupler | |
| CN203386873U (en) | Cavity filter and tapping line | |
| CN204189954U (en) | A kind of circular polarization frequency agility electronically small antenna loading parasitic ring based on capacitive | |
| CN203931691U (en) | A kind of noninductive wire wound resistor | |
| CN204011727U (en) | A kind of turnable resonator frequency transmitting antenna | |
| CN201887138U (en) | Resonant cavity of filter |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20200905 |