WO2016106642A1 - 腔体滤波器、连接器、双工器以及射频拉远设备 - Google Patents

腔体滤波器、连接器、双工器以及射频拉远设备 Download PDF

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Publication number
WO2016106642A1
WO2016106642A1 PCT/CN2014/095813 CN2014095813W WO2016106642A1 WO 2016106642 A1 WO2016106642 A1 WO 2016106642A1 CN 2014095813 W CN2014095813 W CN 2014095813W WO 2016106642 A1 WO2016106642 A1 WO 2016106642A1
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WIPO (PCT)
Prior art keywords
connector
cavity
mating structure
filter
cavity filter
Prior art date
Application number
PCT/CN2014/095813
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English (en)
French (fr)
Inventor
杨绍春
Original Assignee
深圳市大富科技股份有限公司
安徽省大富机电技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳市大富科技股份有限公司, 安徽省大富机电技术有限公司 filed Critical 深圳市大富科技股份有限公司
Priority to CN201480083997.XA priority Critical patent/CN107004934B/zh
Priority to PCT/CN2014/095813 priority patent/WO2016106642A1/zh
Publication of WO2016106642A1 publication Critical patent/WO2016106642A1/zh

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Classifications

    • 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
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a cavity filter, a connector, a duplexer, and a radio remote device.
  • FIG. 1 is a partially enlarged schematic structural view of a cavity filter in the prior art.
  • the cavity filter includes a connector 110 and a cavity 120, and the connector 110 and the cavity filter 120 are fastened by a locking screw.
  • connection faces of the connector 110 and the cavity filter 120 are all flat, and the minute gap 115 as shown in FIG. 1 is likely to occur due to a machining error or the like, and the gap 115 will cause poor contact and poor signal conduction.
  • the gap between the connector 110 and the cavity filter 120 When the gap between the connector 110 and the cavity filter 120 is connected to the gap 115, the conduction of current will be unfavorable, and the insertion filter loss indicator and the intermodulation index or other electrical performance indicators of the cavity filter 120 may not meet the requirements.
  • the invention provides a cavity filter, a connector and a cavity filter to solve the problem that the connector and the cavity filter are prone to connection gaps in the prior art.
  • a technical solution adopted by the present invention is to provide a cavity filter, including:
  • a cover plate covering the cavity to form a cascade of resonant cavities
  • a connector is fixed to the cavity at the connecting hole and electrically connected to the resonant tube via the connecting hole, and a connecting surface of the connector is provided with a first surface matching structure;
  • the cavity contacts the outer surface of the connector to be planar or has a second surface mating structure matched with the first surface mating structure, and the connector and the cavity filter pass the first A mating structure forms a close contact with the plane or the second mating structure to provide a tight connection of the connector to the cavity.
  • the first face mating structure is an annular protrusion.
  • the annular projection has a triangular, trapezoidal or semi-circular cross section.
  • the outer contour of the annular projection is triangular, regular polygonal or circular.
  • the annular protrusions are one or more turns, and the heights of the plurality of annular protrusions are the same or different.
  • the annular projection is a continuous or discrete loop structure.
  • the connector comprises:
  • the outer conductor has a flange at one end, the flange is provided with a locking hole, and the other end is provided with an external thread;
  • An insulator disposed between the inner conductor and the outer conductor to space the inner conductor from the outer conductor;
  • the connecting end surface of the connector is an outer end surface of the flange.
  • the connector further includes a locking screw, the locking screw fixing the connector to the cavity through the locking hole, and making the screwing process
  • the first face mating structure is embedded in the plane or cooperates with the second face mating structure to form a close contact based on the teeth.
  • the connector further includes a sealing ring, and the connecting end surface of the connector is further provided with a sealing groove for accommodating the sealing ring.
  • a connector comprising:
  • the outer conductor has a locking hole at one end and an external thread at the other end;
  • An insulator disposed between the inner conductor and the outer conductor to space the inner conductor from the outer conductor;
  • the outer end surface of the outer conductor provided with one end of the locking hole is provided with a first surface matching structure, and the first surface matching structure is configured to cooperate with a cavity of the cavity filter, the cavity contacting the connection
  • the outer surface of the device is planar or provided with a second surface mating structure that mates with the first surface mating structure, the connector and the cavity filter passing through the first surface mating structure and the plane or The second face mating structure forms a close contact based on the teeth to tightly connect the connector to the cavity.
  • a duplexer including a receiving filter and a transmitting filter, the receiving filter being connected between a receiving terminal and an antenna terminal, the transmitting A filter is connected between the transmitting terminal and the antenna terminal, and the receiving filter and the transmitting filter are the above-described cavity filters.
  • a radio remote device including a radio frequency transceiver module, a power amplifier module, and the above duplexer, the radio frequency transceiver module and the The power amplifier module is connected, and the power amplifier module is connected to the duplexer.
  • the invention has the beneficial effects that the cavity filter provided by the present invention is provided with a surface matching structure on the contact surface of the connector and the cavity filter, and the surface matching structure is installed due to the tensioning force. Slight deformation, its deformation can effectively offset the slight gap caused by manufacturing tolerances, make the connector and cavity filter contact effectively, avoid the connection gap between the connector and the cavity filter, ensure the signal conduction is smooth, improve the cavity filtering Insertion loss, intermodulation indicators and other electrical performance indicators.
  • FIG. 1 is a partially enlarged schematic structural view of a cavity filter in the prior art
  • FIG. 2 is a simplified schematic diagram of a cavity filter in accordance with a preferred embodiment of the present invention.
  • Figure 3 is a partially enlarged schematic structural view of the cavity filter shown in Figure 2;
  • FIG. 4 is a block diagram of a duplexer of a preferred embodiment of the present invention.
  • FIG. 5 is a block diagram of a radio remote device according to a preferred embodiment of the present invention.
  • FIG. 2 is a simplified schematic structural view of a cavity filter according to a preferred embodiment of the present invention
  • FIG. 3 is a partially enlarged schematic structural view of the cavity filter shown in FIG.
  • the present invention provides a cavity filter including a cavity 221, a cover plate 222, a resonance tube 223, a tuning screw 224, and a connector 210.
  • the cavity 221 is provided with a connecting hole, and the cover plate 222 covers the cavity 221 to form a cascade resonant cavity (illustrated by only one resonant cavity in FIG. 2), the resonant tube 223 is disposed in the resonant cavity, and the tuning screw 224 is worn.
  • the over-cover 222 is inserted into the resonance tube 223.
  • the connector 210 is fixed to the cavity 221 at the connection hole 225 and electrically connected to the resonance tube 223 via the connection hole 225.
  • the connecting end surface of the connector 210 is provided with a first surface matching structure
  • the outer surface of the cavity 221 contacting the connector 210 is a plane
  • the outer surface of the cavity 221 contacting the connector 210 is provided with the first surface.
  • the connector 210 and the cavity 221 filter form a close contact based on the teeth by the first face mating structure and the planar or the second face mating structure to cause the connector 210 It is closely connected to the cavity 221 .
  • the first surface matching structure is an annular protrusion 219
  • the annular protrusion 219 may have a triangular, trapezoidal or semi-circular shape, and the outer contour of the annular protrusion 219 may be In the shape of a triangle, a regular polygon or a circle, the annular protrusion 219 may be one or more turns, and the height of the plurality of annular protrusions 219 may be the same or different, and the annular protrusion 219 may be a continuous or discrete ring structure. .
  • the annular protrusion 219 is concentric three turns, the cross section of which is triangular, and the height of the annular protrusion 219 can be equal or increased from the inside to the outside.
  • the annular protrusion 219 protrudes from the connecting end face, the relative height is still very small.
  • the connector 210 includes an outer conductor 211, an inner conductor 212, an insulator 213, a locking screw 214, and a seal ring 215.
  • One end of the outer conductor 211 is provided with a flange, the other end of the outer conductor 211 is provided with an external thread, and the flange is provided with a locking hole.
  • the outer end surface of the flange is the connecting end surface of the connector 210, and the first surface matching structure is provided.
  • the inner conductor 212 is inserted into the outer conductor 211, and the insulator 213 is interposed between the inner conductor 212 and the outer conductor 211 to space the inner conductor 212 from the outer conductor 211.
  • the locking screw 214 secures the connector 210 to the cavity 221 through the locking hole and engages the first face mating structure or cooperates with the second face mating structure to form a close contact based on the teeth during the tightening process.
  • the connecting end surface of the connector 210 is further provided with a sealing groove for accommodating the sealing ring 215.
  • the sealing groove can be disposed on the outer side or the inner side of the first surface matching structure, or can be disposed on the outer side and the inner side of the first surface matching structure to form a double Seal protection.
  • FIG. 4 is a schematic diagram of a module of a duplexer according to a preferred embodiment of the present invention.
  • the present invention further provides a duplexer 50 including a receiving filter 51 and a transmitting filter 52.
  • the receiving filter 51 is connected between the receiving terminal 53 and the antenna terminal 55, and the transmitting filter 52 is connected Between the transmitting terminal 54 and the antenna terminal 55, the receiving filter 51 and the transmitting filter 52 are the above-described cavity filters.
  • FIG. 5 is a schematic diagram of a module of a radio remote device according to a preferred embodiment of the present invention.
  • the present invention further provides a radio remote device 60, including a radio frequency transceiver module 61, a power amplifier module 62, the above-mentioned duplexer 63 and a power module 64, a radio frequency transceiver module 61 and a power amplifier module.
  • a radio remote device 60 including a radio frequency transceiver module 61, a power amplifier module 62, the above-mentioned duplexer 63 and a power module 64, a radio frequency transceiver module 61 and a power amplifier module.
  • 62 is connected, and the power amplifier module 62 is connected to the duplexer 63.
  • the cavity filter provided by the present invention provides a surface matching structure at the contact surface of the connector 210 and the cavity filter, and the surface matching structure may be slightly deformed due to the tension when installed.
  • the deformation can effectively offset the slight gap caused by manufacturing tolerances, effectively connecting the connector 210 and the cavity filter, avoiding the connection gap between the connector 210 and the cavity filter, ensuring smooth signal conduction and improving cavity filtering. Insertion loss, intermodulation indicators and other electrical performance indicators.

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Abstract

本发明提供一种腔体滤波器、连接器、双工器以及射频拉远设备，该腔体滤波器包括腔体、盖板、谐振管以及连接器，腔体设有连接孔；盖板封盖腔体以形成级联的谐振腔；谐振管设于谐振腔内；连接器于连接孔处与腔体相固定并经连接孔与谐振管电连接，连接器的连接端面设有第一面配合结构；其中，腔体接触连接器的外表面为平面或设有与第一面配合结构匹配的第二面配合结构，连接器与腔体滤波器通过第一面配合结构与平面或第二面配合结构形成基于齿合的紧密接触，以使连接器与腔体紧密连接，使连接器和腔体滤波器有效接触，避免连接器和腔体滤波器出现连接间隙，保证信号传导畅通。

Description

腔体滤波器、连接器、双工器以及射频拉远设备
【技术领域】
本发明涉及通信技术领域，特别涉及一种腔体滤波器、连接器、双工器以及射频拉远设备。
【背景技术】
请参阅图1，图1是现有技术中一种腔体滤波器的局部放大结构示意图。
如图1所示，腔体滤波器包括连接器110和腔体120，连接器110和腔体滤波器120通过锁紧螺钉紧固连接。
连接器110和腔体滤波器120的连接面均为平面，由于加工误差等原因容易出现如图1中所示的微小间隙115，间隙115将导致接触不良、信号传导不顺畅。
当连接器110和腔体滤波器120连接出现间隙115时将不利于电流的传导，造成腔体滤波器120插损指标及互调指标或其它电性能指标不能满足要求。
【发明内容】
本发明提供一种腔体滤波器、连接器以及腔体滤波器，以解决现有技术中连接器和腔体滤波器容易出现连接间隙的问题。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种腔体滤波器，包括：
腔体，设有连接孔；
盖板，封盖所述腔体以形成级联的谐振腔；
谐振管，设于所述谐振腔内；
连接器，于所述连接孔处与所述腔体相固定并经所述连接孔与所述谐振管电连接，所述连接器的连接端面设有第一面配合结构；
其中，所述腔体接触所述连接器的外表面为平面或设有与所述第一面配合结构匹配的第二面配合结构，所述连接器与所述腔体滤波器通过所述第一面配合结构与所述平面或所述第二面配合结构形成基于齿合的紧密接触，以使所述连接器与所述腔体紧密连接。
根据本发明一优选实施例，所述第一面配合结构为环状突起。
根据本发明一优选实施例，所述环状突起的横截面为三角形、梯形或半圆形。
根据本发明一优选实施例，所述环状突起的外轮廓呈三角形、正多边形或圆形。
根据本发明一优选实施例，所述环状突起为一圈或多圈，所述多圈环状突起的高度相同或相异。
根据本发明一优选实施例，所述环状突起为连续或离散的圈结构。
根据本发明一优选实施例，所述连接器包括：
外导体，一端设有法兰，所述法兰设有锁紧孔，另一端设有外螺纹；
内导体，插置于所述外导体内；
绝缘体，套置于所述内导体与所述外导体之间以将所述内导体与所述外导体间隔；
其中，所述连接器的连接端面为所述法兰的外端面。
根据本发明一优选实施例，所述连接器还包括锁紧螺钉，所述锁紧螺钉穿过所述锁紧孔将所述连接器固定于所述腔体，且在旋紧过程中使得所述第一面配合结构嵌入所述平面或与所述第二面配合结构配合形成基于齿合的紧密接触。
根据本发明一优选实施例，所述连接器还包括密封圈，所述连接器的连接端面进一步设有容置所述密封圈的密封槽。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种连接器，所述连接器包括：
外导体，一端设有锁紧孔，另一端设有外螺纹；
内导体，插置于所述外导体内；
绝缘体，套置于所述内导体与所述外导体之间以将所述内导体与所述外导体间隔；
其中，所述外导体设有锁紧孔一端的外端面设有第一面配合结构，所述第一面配合结构用于与腔体滤波器的腔体配合，所述腔体接触所述连接器的外表面为平面或设有与所述第一面配合结构匹配的第二面配合结构，所述连接器与所述腔体滤波器通过所述第一面配合结构与所述平面或所述第二面配合结构形成基于齿合的紧密接触，以使所述连接器与所述腔体紧密连接。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种双工器，包括接收滤波器和发射滤波器，所述接收滤波器连接在接收端子和天线端子之间，所述发射滤波器连接在发送端子与所述天线端子之间，所述接收滤波器和发射滤波器为上述的腔体滤波器。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种射频拉远设备，包括射频收发信机模块、功放模块以及上述的双工器，所述射频收发信机模块与所述功放模块连接，所述功放模块与所述双工器连接。
本发明的有益效果是：区别于现有技术的情况，本发明提供的腔体滤波器通过在连接器和腔体滤波器的接触面设置面配合结构，安装时面配合结构会由于拉紧力轻微形变，其形变可以有效抵消因制造公差所带来的轻微间隙，使连接器和腔体滤波器有效接触，避免连接器和腔体滤波器出现连接间隙，保证信号传导畅通，提高腔体滤波器的插损、互调指标及其他电性能指标。
【附图说明】
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图，其中：
图1是现有技术中一种腔体滤波器的局部放大结构示意图；
图2是本发明优选实施例的腔体滤波器的简化结构示意图；
图3是图2中所示的腔体滤波器的局部放大结构示意图；
图4是本发明优选实施例的双工器的模块示意图；以及
图5是本发明优选实施例的射频拉远设备的模块示意图。
【具体实施方式】
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请一并参阅图2和图3，其中，图2是本发明优选实施例的腔体滤波器的简化结构示意图，图3是图2中所示的腔体滤波器的局部放大结构示意图。
如图2和图3所示，本发明提供一种腔体滤波器，该腔体滤波器包括腔体221、盖板222、谐振管223、调谐螺杆224以及连接器210。
其中，腔体221设有连接孔，盖板222封盖腔体221以形成级联的谐振腔（图2中仅以一个谐振腔示意），谐振管223设于谐振腔内，调谐螺杆224穿过盖板222插置于谐振管223。
连接器210于连接孔225处与腔体221相固定并经连接孔225与谐振管223电连接。本发明实施例中，连接器210的连接端面设有第一面配合结构，腔体221接触连接器210的外表面为平面，或者腔体221接触连接器210的外表面设有与第一面配合结构匹配的第二面配合结构，连接器210与腔体221滤波器通过第一面配合结构与所述平面或所述第二面配合结构形成基于齿合的紧密接触，以使连接器210与腔体221紧密连接。
具体而言，参考3所示，第一面配合结构为环状突起219，该环状突起219的横截面可为三角形、梯形或半圆形等形状，该环状突起219的外轮廓可呈三角形、正多边形或圆形等形状，该环状突起219可为一圈或多圈，多圈环状突起219的高度可相同或相异，该环状突起219可为连续或离散的圈结构。例如，该环状突起219为同心的三圈，其截面为三角形，且环状突起219的高度可相等或由内向外递增，当然，尽管环状突起219突出于连接端面，但其相对高度仍然非常小。
连接器210包括外导体211、内导体212、绝缘体213、锁紧螺钉214以及密封圈215。
外导体211一端设有法兰，外导体211另一端设有外螺纹，法兰设有锁紧孔，法兰的外端面即为连接器210的连接端面，设有上述的第一面配合结构，内导体212插置于外导体211内，绝缘体213，套置于内导体212与外导体211之间以将内导体212与外导体211间隔。
锁紧螺钉214穿过锁紧孔将连接器210固定于腔体221，且在旋紧过程中使得第一面配合结构嵌入平面或与第二面配合结构配合形成基于齿合的紧密接触。
连接器210的连接端面进一步设有容置密封圈215的密封槽，密封槽可设置于第一面配合结构的外侧或内侧，或者在第一面配合结构的外侧和内侧均有设置，形成双重密封防护。
请参阅图4，图4是本发明优选实施例的双工器的模块示意图。
如图4所示，本发明还提供一种双工器50，包括接收滤波器51和发射滤波器52，接收滤波器51连接在接收端子53和天线端子55之间，发射滤波器52连接在发送端子54与天线端子55之间，接收滤波器51和发射滤波器52为上述的腔体滤波器。
请参阅图5，图5是本发明优选实施例的射频拉远设备的模块示意图。
如图5所示，本发明还提供一种射频拉远设备60，包括射频收发信机模块61、功放模块62、上述的双工器63及电源模块64，射频收发信机模块61与功放模块62连接，功放模块62与双工器63连接。
综上所述，本领域技术人员容易理解，本发明提供的腔体滤波器通过在连接器210和腔体滤波器的接触面设置面配合结构，安装时面配合结构会由于拉紧力轻微形变，其形变可以有效抵消因制造公差所带来的轻微间隙，使连接器210和腔体滤波器有效接触，避免连接器210和腔体滤波器出现连接间隙，保证信号传导畅通，提高腔体滤波器的插损、互调指标及其他电性能指标。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (19)

  1. 一种腔体滤波器，其特征在于，包括：
    腔体，设有连接孔；
    盖板，封盖所述腔体以形成级联的谐振腔；
    谐振管，设于所述谐振腔内；
    连接器，于所述连接孔处与所述腔体相固定并经所述连接孔与所述谐振管电连接，所述连接器的连接端面设有第一面配合结构；
    其中，所述腔体接触所述连接器的外表面为平面或设有与所述第一面配合结构匹配的第二面配合结构，所述连接器与所述腔体滤波器通过所述第一面配合结构与所述平面或所述第二面配合结构形成基于齿合的紧密接触，以使所述连接器与所述腔体紧密连接。
  2. 根据权利要求1所述的腔体滤波器，其特征在于，所述第一面配合结构为环状突起。
  3. 根据权利要求2所述的腔体滤波器，其特征在于，所述环状突起的横截面为三角形、梯形或半圆形。
  4. 根据权利要求2所述的腔体滤波器，其特征在于，所述环状突起的外轮廓呈三角形、正多边形或圆形。
  5. 根据权利要求2所述的腔体滤波器，其特征在于，所述环状突起为一圈或多圈，所述多圈环状突起的高度相同或相异。
  6. 根据权利要求4所述的腔体滤波器，其特征在于，所述环状突起为连续或离散的圈结构。
  7. 根据权利要求1-6中任一项所述的腔体滤波器，其特征在于，所述连接器包括：
    外导体，一端设有法兰，所述法兰设有锁紧孔，另一端设有外螺纹；
    内导体，插置于所述外导体内；
    绝缘体，套置于所述内导体与所述外导体之间以将所述内导体与所述外导体间隔；
    其中，所述连接器的连接端面为所述法兰的外端面。
  8. 根据权利要求7所述的腔体滤波器，其特征在于，所述连接器还包括锁紧螺钉，所述锁紧螺钉穿过所述锁紧孔将所述连接器固定于所述腔体，且在旋紧过程中使得所述第一面配合结构嵌入所述平面或与所述第二面配合结构配合形成基于齿合的紧密接触。
  9. 根据权利要求7所述腔体滤波器，其特征在于，所述连接器还包括密封圈，所述连接器的连接端面进一步设有容置所述密封圈的密封槽。
  10. 一种连接器，其特征在于，所述连接器包括：
    外导体，一端设有锁紧孔，另一端设有外螺纹；
    内导体，插置于所述外导体内；
    绝缘体，套置于所述内导体与所述外导体之间以将所述内导体与所述外导体间隔；
    其中，所述外导体设有锁紧孔一端的外端面设有第一面配合结构，所述第一面配合结构用于与腔体滤波器的腔体配合，所述腔体接触所述连接器的外表面为平面或设有与所述第一面配合结构匹配的第二面配合结构，所述连接器与所述腔体滤波器通过所述第一面配合结构与所述平面或所述第二面配合结构形成基于齿合的紧密接触，以使所述连接器与所述腔体紧密连接。
  11. 根据权利要求10所述的连接器，其特征在于，所述第一面配合结构为环状突起。
  12. 根据权利要求11所述的连接器，其特征在于，所述环状突起的横截面为三角形、梯形或半圆形。
  13. 根据权利要求11所述的连接器，其特征在于，所述环状突起的外轮廓呈三角形、正多边形或圆形。
  14. 根据权利要求11所述的连接器，其特征在于，所述环状突起为一圈或多圈，所述多圈环状突起的高度相同或相异。
  15. 根据权利要求14所述的连接器，其特征在于，所述环状突起为连续或离散的圈结构。
  16. 根据权利要求10所述的连接器，其特征在于，所述连接器还包括锁紧螺钉，所述锁紧螺钉穿过所述锁紧孔将所述连接器固定于所述腔体，且在旋紧过程中使得所述第一面配合结构嵌入所述平面或与所述第二面配合结构配合形成基于齿合的紧密接触。
  17. 根据权利要求10所述连接器，其特征在于，所述连接器还包括密封圈，所述连接器的连接端面进一步设有容置所述密封圈的密封槽。
  18. 一种双工器，其特征在于，包括接收滤波器和发射滤波器，所述接收滤波器连接在接收端子和天线端子之间，所述发射滤波器连接在发送端子与所述天线端子之间，其特征在于，所述接收滤波器和发射滤波器为权利要求1至9中任意一项所述的腔体滤波器。
  19. 一种射频拉远设备，其特征在于：包括射频收发信机模块、功放模块以及权利要求18所述的双工器，所述射频收发信机模块与所述功放模块连接，所述功放模块与所述双工器连接。
PCT/CN2014/095813 2014-12-31 2014-12-31 腔体滤波器、连接器、双工器以及射频拉远设备 WO2016106642A1 (zh)

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