CN106785269A - One kind is electrically coupled port organization and cavity body filter - Google Patents
One kind is electrically coupled port organization and cavity body filter Download PDFInfo
- Publication number
- CN106785269A CN106785269A CN201710053075.XA CN201710053075A CN106785269A CN 106785269 A CN106785269 A CN 106785269A CN 201710053075 A CN201710053075 A CN 201710053075A CN 106785269 A CN106785269 A CN 106785269A
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- China
- Prior art keywords
- connecting rod
- resonance post
- installation end
- coupled resonance
- electrically coupled
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/04—Fixed joints
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
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- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Port organization is electrically coupled the invention provides a kind of wave filter, including connector (20), connecting rod (30), tap piece (40), metallic gasket (50) and coupled resonance post (60), the connecting rod (30) are connected with the connector (20)；The tap piece includes the first installation end (41), the second installation end (47), and first installation end is connected with the connecting rod, and second installation end is connected with the coupled resonance post；The coupled resonance post has bottom tubular column for one end, the shaft of the coupled resonance post is provided with an open slot, the open slot extends to the bottom from the openend of the coupled resonance post, and the open slot can hold second installation end and extend into the coupled resonance post inside center；The metallic gasket is detachably clamped between the bottom and second installation end.The present invention has processing and manufacturing simple, saves cavity space to improve single-chamber Q values, and assembling is easy, reliability advantage higher.
Description
【Technical field】
Port organization and cavity body filter are electrically coupled the present invention relates to technology for radio frequency field, more particularly to one kind.
【Background technology】
In microwave system, cavity body filter is led due to the characteristic that its insertion loss is relatively low, power capacity is larger in communication
Domain is widely used.The wherein selection of cavity body filter port coupled modes, single-chamber quality factor q value, port time delay
There is conclusive influence to the debugging of wave filter and performance etc. factor.It is to adopt that traditional wave filter is electrically coupled port organization
Welded with the connecting rod for matching with connector inner wire, then with connecting rod joint welding tap piece, the other end of tap piece is adopted
The mode above the time delay platform of inside cavity is fixed on silver-plated screw.By the width for adjusting the height of time delay platform, tap piece
The design and emulation of port time delay size are carried out with shape.But, such port organization is complex, and time delay playscript with stage directions body is also
The segment space of cavity is occupied, the Q values in turn resulting in single-chamber are decreased obviously, cause wave filter to produce larger insertion loss；Together
When increase the difficulty and workload of processing, increased production cost；Because workload is more, processing request is high, matter easily occurs
Amount risk not up to standard, is unfavorable for the passive intermodulation of product；During trial production, it is difficult to which the time delay to product is carried out in real time
Adjustment.
Therefore, need that a kind of structure is simpler, processing cost is lower, quality is more reliable badly, facilitate subsequently time delay is carried out
Real-time adjustment is electrically coupled port organization and cavity body filter, overcomes drawbacks described above problem with this.
【The content of the invention】
In order to overcome the shortcoming of above-mentioned prior art, the port that is electrically coupled that one aspect of the present invention provides a kind of wave filter is tied
Structure, it is characterised in that including connector, connecting rod, tap piece, metallic gasket and coupled resonance post, the connecting rod and institute
State connector connection；
The tap piece includes the first installation end, the second installation end, and first installation end is connected with the connecting rod, institute
The second installation end is stated to be connected with the coupled resonance post；
The coupled resonance post is provided with an open slot for the shaft that there is bottom tubular column, the coupled resonance post one end,
The open slot extends to the bottom from the openend of the coupled resonance post, and the open slot can hold second installation end
It extend into the coupled resonance post inside center；
The metallic gasket is detachably clamped between the bottom and second installation end.
Used as a kind of preferred scheme, the connector is provided with inner wire, and one end of the connecting rod offers prolongs vertically
The central blind hole stretched, the central blind hole phase scarf of the inner wire and the connecting rod is closed, by welding by the connector and
Connecting rod is fixed together.
Used as a kind of preferred scheme, the inner wire is coaxial with the center line of the connecting rod.
As a kind of preferred scheme, be sequentially connected between first installation end and the second installation end first connecting portion,
Second connecting portion, the 3rd connecting portion；The first connecting portion, second connecting portion and the 3rd connecting portion form U-shaped；Described 3rd connects
Socket part forms " L " shape with second installation end, and second installation end is provided with through hole.
As a kind of preferred scheme, several kink structure phases are passed through between first installation end and the second installation end
Connection.
Used as a kind of preferred scheme, the one end being connected with tap piece in the connecting rod is provided with central boss, and it is described in
Cardiac prominence platform is coaxial with the center line of the connecting rod.
Used as a kind of preferred scheme, one end that the connecting rod is connected with tap piece is provided with central boss, first peace
Dress end is provided with a U-lag, and the U-lag connecting rod and is taken out after with the central boss clamping by being welded and fixed
Head piece.
Used as a kind of preferred scheme, the metallic gasket is an oblate ring body with thickness；The metallic gasket it is interior
It is equipped with screw thread, the internal diameter of the external diameter less than the coupled resonance post of the metallic gasket.
The present invention additionally provides a kind of cavity body filter on the other hand, including cavity, mounted in the cavity hatch end
Cover plate, used as a kind of preferred scheme, also including the above-mentioned port organization that is electrically coupled, the connector is installed to the side of the cavity
Wall, the coupled resonance post is installed to the inside cavity.
Used as a kind of preferred scheme, cavity body filter also includes tuning screw, and the tuning screw passes through the spiral shell on cover plate
Pit simultaneously extend into the inside center of the coupled resonance post；The tuning screw is adjusted by locking nut and enters into the coupling
The depth of resonant column is closed, and is kept at a distance with the tap piece and metal washer.
The present invention has processing and manufacturing simple, saves cavity space to improve single-chamber Q values, and assembling is easy, and reliability is higher
Advantage.
【Brief description of the drawings】
A kind of generalized section for being provided with the cavity body filter for being electrically coupled port organization that Fig. 1 is provided for the present invention；
Fig. 2 is the partial exploded view of the cavity of cavity body filter described in Fig. 1；
Fig. 3 is the exploded perspective view of the connector, connecting rod and tap piece in cavity body filter described in Fig. 1；
Fig. 4 is tap chip architecture schematic diagram described in Fig. 3.
The mark of Fig. 1 to Fig. 4：Cavity 10, port mounting hole 15, connector 20, inner wire 22, connecting rod 30, middle cardiac prominence
Platform 32, tap piece 40, the first installation end 41, U-lag 411, first connecting portion 42, the connecting portion 45 of second connecting portion 43 and the 3rd,
Second installation end 47, through hole 49, metallic gasket 50, silver-plated screw 53, coupled resonance post 60, cover plate 70, wave washer 71, locking
Nut 73, tuning screw 75.
【Specific embodiment】
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used for explaining the present invention, not
For limiting protection scope of the present invention.
As depicted in figs. 1 and 2, a kind of cavity body filter 6 for being provided with and being electrically coupled port organization is present embodiments provided.Cavity
The cover plate 70 that wave filter 6 includes cavity 10, is electrically coupled port organization and is installed to cavity hatch end.It is above-mentioned to be electrically coupled port knot
Structure is arranged on the receiving terminal and/or transmitting terminal of cavity 10, includes the connector 20 installed in the lateral wall of cavity 10 and setting
Coupling assembly inside cavity 10, coupling assembly is included：Connecting rod 30, tap piece 40, metallic gasket 50 and coupling are humorous
Shake post 60.Cavity 10 offers port mounting hole 15 in receiving terminal/transmitting terminal, and connector 20 is installed to port by screw correspondence
Mounting hole 15.Inner wire 22 on connector 20 by port mounting hole 15 towards the inner chamber of cavity 10, and with cavity 10 in
Coupling assembly is connected.
With reference to Fig. 1 and Fig. 3, connecting rod 30 is one section of cylindrical conductor, is offered inside its one end in axially extending
Heart blind hole, the other end is then connected with a central boss 32.Central blind hole and central boss 32 are coaxial with connecting rod 30.Connector
20 inner wire 22 is adapted with the central blind hole of connecting rod 30, and inner wire 22 is embedded into clamping engagement within central blind hole, excellent
Selection of land, the built-in end of inner wire 22 is coaxial with connecting rod 30.Connecting rod 30 is provided with one end of central blind hole and connector 20 leads to
The mode for crossing welding makees further fixation.One end that connecting rod 30 is provided with central boss 32 is then connected with tap piece 40.
With reference to Fig. 1 and Fig. 2, tap piece 40 is connected between connecting rod 30 and coupled resonance post 60.Preferably, connecting rod 30
It is vertical with coupled resonance post 60.
With reference to Fig. 1 and Fig. 4, tap piece 40 is bent the flat banded structure of shaping for one, including the first company being sequentially connected
Socket part 42, the connecting portion 45 of second connecting portion 43 and the 3rd.First connecting portion 42, the connecting portion 45 of second connecting portion 43 and the 3rd are formed
U-shaped.Wherein, the end of first connecting portion 42 is provided with the first installation end 41.The present embodiment, the installation end of first connecting portion 42 and first
41 is coplanar.First installation end 41 is provided with a U-lag 411 to house the central boss 32 of connecting rod 30 in end, by hand
Work welds central boss 32 and U-lag 411, and connecting rod 30 and tap piece 40 are fixed together.Above-mentioned U-lag 411 has foot
Enough depth, are easy to the welding position of the first installation end of regulation 41 and connecting rod 30, so as to adjust tap piece 40 and connecting rod 30
Position relationship.
And the 3rd connecting portion 45 and the less parallel of first connecting portion 42, the 3rd connecting portion 45 is longer than first in the present embodiment
Connecting portion 42.In addition, the end of the 3rd connecting portion 45 is provided with the second installation end 47, the end of the second installation end 47 is directed away from
The direction of one installation end 41 extends, so as to overall L-shaped with the 3rd connecting portion 45.The end of the second installation end 47 forms one
The individual and approximately parallel contact surface of second connecting portion 43, and offer through hole 49 on the second installation end 47.
With reference to Fig. 1 and Fig. 2, the coupled resonance post 60 in first chamber is arranged on the receiving terminal/transmitting terminal of cavity 10, and bottom is consolidated
It is scheduled on cavity 10, is integrally rendered as a column structure for tubular.The side of connector 20 is being close to, coupled resonance post 60
Shaft offers an open slot for specific dimensions.More specifically, the open slot is vertically from the top of coupled resonance post 60
Open up to position below the middle part of coupled resonance post 60 or middle part.There is above-mentioned open slot enough width to accommodate the second installation end 47
Stretch to the inside center of coupled resonance post.The inside center of coupled resonance post 60 is also equipped with metallic gasket 50, the metal gasket
Piece 50 is an oblate ring body with thickness, the internal diameter of the external diameter less than or equal to coupled resonance post 60 of metallic gasket 50.Second
The contact surface that installation end 47 is formed together is fixed to the inside center of coupled resonance post 60 with metallic gasket 50.Coupled resonance post
60 offer a screwed hole in bottom, and the contact surface on the second installation end 47 is fully contacted with metallic gasket 50, silver-plated screw 53
After sequentially passing through the inner ring on through hole 49 and metallic gasket 50, the screwed hole with coupled resonance post 60 locks fastening.
Typically in the prior art, cavity body filter is to control to be electrically coupled port by setting time delay platform in inside cavity
Time delay size.And for limited inside cavity space, the design of time delay platform is undoubtedly difficulty when increasing processing and manufacturing
Degree, causes production cost too high.Meanwhile, also resulting in that the cavity body filter precision produced is not high, reliability decrease is unfavorable
In batch production.
It is of the invention then there is provided a kind of easier delay adjusting mode：In process of production, can pre-production go out
The metallic gasket 50 of different thickness degree, when combined cavity wave filter is installed, when the individuality further according to each cavity is actual
Prolong situation, the time delay size of cavity port is adjusted by adjusting the thickness of metallic gasket 50.Preferably, tap piece 40 is elasticity
Sheet material bending is formed, and on the whole with certain elasticity, is fixedly connected in order to the metallic gasket 50 with different-thickness.
With reference to Fig. 1, cover plate 70 offers screwed hole, and the screwed hole positive alignment is in the coupled resonance post 60 in cavity 10.Lid
By way of gland, chimeric with wave washer 71 and the fastening of locking nut 73, wave washer 71 is limited screwed hole on plate 70
It is scheduled on the centre of locking nut 73 and cover plate 70.Coupled resonance post 60 is the tubular of one end open, and openend is towards cover plate 70.Lid
Tuning screw 75 on plate 10 can extend into coupled resonance post by the upper screwed hole of cover plate 70 from the openend of coupled resonance post 60
60 inside center.The screw thread matched with locking nut 73 is provided with tuning screw 75, tuning screw 75 passes through locking screw
Female 73 depth that can be arbitrarily adjusted into the inside center of coupled resonance post 60, so as to the frequency to whole cavity body filter is carried out
Adjustment.Preferably, tuning screw 75 is coaxial with silver-plated screw 53.
In the present embodiment, tap piece 40 passes through U-shaped structure (first connecting portion 42, the connecting portion of second connecting portion 43 and the 3rd
45) the first installation end 41 and the second installation end 47 are connected.Alternatively, the He of the first installation end 41 can be connected by other shapes
Second installation end 47, such as with the structure of more kinks.
For the person of ordinary skill of the art, without departing from the inventive concept of the premise, if can also make
Dry deformation and improvement, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended right
It is required that being defined.
Claims (10)
1. a kind of wave filter is electrically coupled port organization, it is characterised in that including connector (20), connecting rod (30), tap piece
(40), metallic gasket (50) and coupled resonance post (60), the connecting rod (30) are connected with the connector (20)；
The tap piece (40) includes the first installation end (41), the second installation end (47), first installation end (41) with it is described
Connecting rod (30) is connected, and second installation end (47) is connected with the coupled resonance post (60)；
The coupled resonance post (60) is provided with an opening for the shaft that there is bottom tubular column, the coupled resonance post (60) one end
Groove, the open slot extends to the bottom from the openend of the coupled resonance post (60), and the open slot can hold described
Two installation ends (47) extend into coupled resonance post (60) inside center；
The metallic gasket (50) is detachably clamped between the bottom and second installation end (47).
2. it is according to claim 1 to be electrically coupled port organization, it is characterised in that the connector (20) is provided with inner wire
(22), one end of the connecting rod offers the central blind hole for axially extending, the inner wire (22) and the connecting rod
(30) central blind hole phase scarf is closed, and the connector (20) and connecting rod (30) are fixed together by welding.
3. it is according to claim 1 to be electrically coupled port organization, it is characterised in that the inner wire (22) and the connecting rod
(30) center line is coaxial.
4. it is according to claim 1 to be electrically coupled port organization, it is characterised in that first installation end (41) and the second peace
First connecting portion (42), second connecting portion (43), the 3rd connecting portion (45) are sequentially connected between dress end (47)；Described first connects
Socket part (42), second connecting portion (43) and the 3rd connecting portion (45) form U-shaped；3rd connecting portion (45) and the described second peace
Dress end (47) forms " L " shape, and second installation end (47) is provided with through hole (49).
5. it is according to claim 1 to be electrically coupled port organization, it is characterised in that first installation end (41) and the second peace
It is connected by several kink structures between dress end (47).
6. it is according to claim 1 to be electrically coupled port organization, it is characterised in that in the connecting rod (30) and tap piece
(40) one end of connection is provided with central boss (32), and the central boss (32) is same with the center line of the connecting rod (30)
Axle.
7. it is according to claim 1 to be electrically coupled port organization, it is characterised in that the connecting rod (30) and tap piece (40)
One end of connection is provided with central boss (32), and first installation end (41) is provided with a U-lag (411), the U-lag
(411) after with the central boss (32) clamping, by being welded and fixed the connecting rod (30) and tap piece (40).
8. it is according to claim 1 to be electrically coupled port organization, it is characterised in that the metallic gasket (50) has thickness for one
The oblate ring body of degree；Screw thread is equipped with the metallic gasket, the external diameter of the metallic gasket is less than the coupled resonance post
(60) internal diameter.
9. a kind of cavity body filter, including cavity (10), the cover plate (70) mounted in the cavity hatch end, it is characterised in that tool
The port organization that is electrically coupled having the right described in 1~8 any one, connector (20) is installed to the side wall of the cavity (10), described
It is internal that coupled resonance post (60) is installed to the cavity (10).
10. cavity body filter according to claim 9, it is characterised in that also including tuning screw (75), the tuning spiral shell
Bar (75) is through the screwed hole on cover plate (70) and extend into the inside center of the coupled resonance post (60)；The tuning screw
(75) adjusted by locking nut (73) and enter into the depth of the coupled resonance post (60), and with the tap piece (40) and gold
Category packing ring (50) is kept at a distance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053075.XA CN106785269B (en) | 2017-01-22 | 2017-01-22 | Electric coupling port structure and cavity filter |
| PCT/CN2017/091069 WO2018133335A1 (en) | 2017-01-22 | 2017-06-30 | Electric coupling port structure, and cavity filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053075.XA CN106785269B (en) | 2017-01-22 | 2017-01-22 | Electric coupling port structure and cavity filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106785269A true CN106785269A (en) | 2017-05-31 |
| CN106785269B CN106785269B (en) | 2020-09-22 |
Family
ID=58942555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710053075.XA Active CN106785269B (en) | 2017-01-22 | 2017-01-22 | Electric coupling port structure and cavity filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106785269B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492702A (en) * | 2017-07-12 | 2017-12-19 | 西安空间无线电技术研究所 | A kind of coaxial power splitters of low PIM |
| WO2018133335A1 (en) * | 2017-01-22 | 2018-07-26 | 深圳市国人射频通信有限公司 | Electric coupling port structure, and cavity filter |
| CN109411854A (en) * | 2018-12-03 | 2019-03-01 | 东莞鸿爱斯通信科技有限公司 | Tap coupler structure |
| CN110459848A (en) * | 2019-08-05 | 2019-11-15 | 苏州诺泰信通讯有限公司 | One kind can auxiliary adjustment input and output coupled structure |
| CN110474143A (en) * | 2019-09-16 | 2019-11-19 | 苏州诺泰信通讯有限公司 | A kind of resonant column mounting structure suitable for low intermodulation products |
| CN110534856A (en) * | 2019-07-26 | 2019-12-03 | 苏州诺泰信通讯有限公司 | A kind of input and output coupled structure of Novel Filter port on the cover board |
| CN115411477A (en) * | 2022-09-21 | 2022-11-29 | 昆山立讯射频科技有限公司 | Filter |
| JP7492606B2 (en) | 2020-04-29 | 2024-05-29 | ケーエムダブリュ・インコーポレーテッド | Filter and manufacturing method thereof |
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| CN102496757A (en) * | 2011-12-21 | 2012-06-13 | 京信通信系统（中国）有限公司 | Communication apparatus possessing ultra-wideband coupling port |
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| CN205846186U (en) * | 2016-07-27 | 2016-12-28 | 上海鑫众通信技术有限公司 | A kind of multiplefrequency mixer with port coupled structure |
| CN206506001U (en) * | 2017-01-22 | 2017-09-19 | 深圳市国人射频通信有限公司 | One kind is electrically coupled port organization and cavity body filter |
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| CN101964438A (en) * | 2009-07-23 | 2011-02-02 | 深圳市大富科技股份有限公司 | Cavity filter and connecting structure thereof |
| CN102496757A (en) * | 2011-12-21 | 2012-06-13 | 京信通信系统（中国）有限公司 | Communication apparatus possessing ultra-wideband coupling port |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133335A1 (en) * | 2017-01-22 | 2018-07-26 | 深圳市国人射频通信有限公司 | Electric coupling port structure, and cavity filter |
| CN107492702A (en) * | 2017-07-12 | 2017-12-19 | 西安空间无线电技术研究所 | A kind of coaxial power splitters of low PIM |
| CN109411854A (en) * | 2018-12-03 | 2019-03-01 | 东莞鸿爱斯通信科技有限公司 | Tap coupler structure |
| CN110534856A (en) * | 2019-07-26 | 2019-12-03 | 苏州诺泰信通讯有限公司 | A kind of input and output coupled structure of Novel Filter port on the cover board |
| CN110459848A (en) * | 2019-08-05 | 2019-11-15 | 苏州诺泰信通讯有限公司 | One kind can auxiliary adjustment input and output coupled structure |
| CN110474143A (en) * | 2019-09-16 | 2019-11-19 | 苏州诺泰信通讯有限公司 | A kind of resonant column mounting structure suitable for low intermodulation products |
| JP7492606B2 (en) | 2020-04-29 | 2024-05-29 | ケーエムダブリュ・インコーポレーテッド | Filter and manufacturing method thereof |
| CN115411477A (en) * | 2022-09-21 | 2022-11-29 | 昆山立讯射频科技有限公司 | Filter |
| CN115411477B (en) * | 2022-09-21 | 2023-10-31 | 苏州立讯技术有限公司 | Filter |
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Address after: 518000 5th floor, building 1, Guoren science and Technology Park, the intersection of Jinxiu middle road and Cuijing Road, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Guoren Technology Co., Ltd Address before: 518000. B building 1F, three national building, science and technology, Shizhong District, Nanshan District hi tech Zone, Guangdong, Shenzhen Applicant before: Shenzhen GrenTech Corporation |
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