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WO2018133335A1 - 一种电耦合端口结构及腔体滤波器 - Google Patents

一种电耦合端口结构及腔体滤波器 Download PDF

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Publication number
WO2018133335A1
WO2018133335A1 PCT/CN2017/091069 CN2017091069W WO2018133335A1 WO 2018133335 A1 WO2018133335 A1 WO 2018133335A1 CN 2017091069 W CN2017091069 W CN 2017091069W WO 2018133335 A1 WO2018133335 A1 WO 2018133335A1
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WIPO (PCT)
Prior art keywords
connecting rod
mounting end
cavity
column
port structure
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.)
Ceased
Application number
PCT/CN2017/091069
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English (en)
French (fr)
Inventor
李世超
陈瑞斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Grentech Rf Communication Ltd
Original Assignee
Shenzhen Grentech Rf Communication Ltd
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
Priority claimed from CN201710053075.XA external-priority patent/CN106785269B/zh
Priority claimed from CN201720091055.7U external-priority patent/CN206506001U/zh
Application filed by Shenzhen Grentech Rf Communication Ltd filed Critical Shenzhen Grentech Rf Communication Ltd
Publication of WO2018133335A1 publication Critical patent/WO2018133335A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/04Fixed joints
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/207Hollow waveguide filters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/213Frequency-selective devices, e.g. filters combining or separating two or more different frequencies

Definitions

  • the present invention relates to the field of radio frequency communication technologies, and in particular, to an electrically coupled port structure and a cavity filter.
  • an aspect of the present invention provides an electrical coupling port structure of a filter, which includes a connector, a connecting rod, a tap piece, a metal spacer, and a coupled resonant column.
  • the connecting rod is connected to the connector;
  • the tapping piece includes a first mounting end and a second mounting end, the first mounting end is connected to the connecting rod, and the second mounting end is connected to the coupling resonant column;
  • the coupled resonant column has a bottom cylindrical column at one end, and the column of the coupled resonant column is provided with a slot
  • the mouth groove extends from the mouth end of the coupled resonator column to the bottom portion, and the mouth groove can accommodate the second mounting end to extend into the inner center of the coupled resonator column;
  • the metal gasket is detachably clamped between the bottom portion and the second mounting end.
  • the connector is provided with an inner conductor, and one end of the connecting rod is provided with a central blind hole extending in the axial direction, and the inner conductor is opposite to the central blind hole of the connecting rod.
  • the fitting and fixing of the connector and the connecting rod are performed by welding.
  • the inner conductor is coaxial with a center line of the connecting rod.
  • the first connecting portion, the second connecting portion, and the third connecting portion are sequentially connected between the first mounting end and the second mounting end; the first connecting portion, the first connecting portion The second connecting portion and the third connecting portion form a U shape; the third connecting portion forms an "L" shape with the second mounting end, and the second mounting end is provided with a through hole.
  • the first mounting end and the second mounting end are connected by a plurality of bent portions.
  • a center boss is disposed at one end of the connecting rod and the tap piece, and the center boss is coaxial with a center line of the connecting rod.
  • one end of the connecting rod connected to the tap piece is provided with a central boss, the first mounting end is provided with a U-shaped groove, and the U-shaped groove is in the center boss After the snapping, the connecting rod and the tap piece are fixed by welding.
  • the metal gasket is a flat annular body having a thickness; the inner ring of the metal gasket is provided with a thread, and the outer diameter of the metal gasket is smaller than the coupled resonant column. Inner diameter.
  • the present invention further provides a cavity filter including a cavity, a cover plate mounted at the mouth end of the cavity, and as a preferred solution, the above-mentioned electrically coupled port structure,
  • the connector is mounted to a sidewall of the cavity, and the coupled resonator column is mounted to the interior of the cavity.
  • the cavity filter further includes a tuning screw, the tuning screw passes through a threaded hole in the cover plate and protrudes into an inner center of the coupled resonator column; the tuning screw passes the locking The nut adjusts to the depth of the coupled resonator column and maintains a distance from the tap piece and the metal washer.
  • the invention has the advantages of simple processing and manufacturing, saving space in the cavity to improve the single cavity Q value, simple assembly and higher reliability.
  • FIG. 1 is a cross-sectional view of a cavity filter provided with an electrically coupled port structure according to the present invention
  • FIG. 2 is a partial exploded view of a cavity of the cavity filter of FIG.
  • FIG. 3 is a schematic exploded view of a connector, a connecting rod and a tap piece in the cavity filter of FIG. 1; [0020] FIG.
  • FIG. 4 is a schematic structural view of the tap sheet of FIG. 3.
  • FIGS. 1 to 4 The markings of FIGS. 1 to 4: cavity 10, port mounting hole 15, connector 20, inner conductor 22, connecting rod 30, center boss 32, tap piece 40, first mounting end 41, U-shaped groove 411, first connecting portion 42, second connecting portion 43 and third connecting portion 45, second mounting end 47, through hole 49, metal spacer 50, silver plated screw 53, coupling resonant column 60, cover plate 70, waveform The washer 71, the lock nut 73, and the tuning screw 75.
  • the present embodiment provides a cavity filter 6 provided with an electrically coupled port structure.
  • the cavity filter 6 includes a cavity 10, an electrically coupled port structure, and a cover plate 70 mounted to the port end of the cavity.
  • the electrical coupling port structure is disposed at the receiving end and/or the transmitting end of the cavity 10, and includes a connector 20 mounted on an outer sidewall of the cavity 10 and a coupling component disposed inside the cavity 10.
  • the coupling component includes: a connecting rod 30, the tap 40, the metal spacer 50, and the coupled resonator 60.
  • the cavity 10 is provided with a port mounting hole 15 at the receiving end/transmitting end, and the connector 20 is correspondingly mounted to the port mounting hole 15 by screws.
  • the inner conductor 22 on the connector 20 is directed toward the interior of the cavity 10 through the port mounting aperture 15 and is coupled to the coupling assembly within the cavity 10.
  • the connecting rod 30 is a cylindrical conductor having a central blind hole extending axially at one end and a central boss 32 at the other end.
  • the central blind hole and the central boss 32 are both coaxial with the connecting rod 30.
  • the inner conductor 22 of the connector 20 is adapted to the central blind hole of the connecting rod 30, and the inner conductor 22 is fitted into the central blind hole for snap fit.
  • the embedded end of the inner conductor 22 is coaxial with the connecting rod 30.
  • Connecting rod 30 One end of the center blind hole is provided and the connector 20 is further fixed by welding.
  • the connecting rod 30 is provided with one end of the center boss 32 to be connected to the tap piece 40.
  • the tap piece 40 is coupled between the connecting rod 30 and the coupling resonator 60.
  • the connecting rod 30 is perpendicular to the coupled resonant column 60 .
  • the tap piece 40 is a bent-formed flat strip-like structure including a first connecting portion 42, a second connecting portion 43, and a third connecting portion 45 which are sequentially connected.
  • the first connecting portion 42, the second connecting portion 43, and the third connecting portion 45 are formed in a U shape.
  • the first connecting portion 42 has a first mounting end 41 at its end. In this embodiment, the first connecting portion 42 is coplanar with the first mounting end 41.
  • the first mounting end 41 is provided with a U-shaped groove 41 1 at the end to receive the central boss 32 of the connecting rod 30, and the connecting rod 30 and the tapping piece 40 are fixed by manually welding the center boss 32 and the U-shaped groove 411. together.
  • the U-shaped groove 411 has a sufficient depth to adjust the welding position of the first mounting end 41 and the connecting rod 30, thereby adjusting the positional relationship between the tap piece 40 and the connecting rod 30.
  • the third connecting portion 45 is approximately parallel to the first connecting portion 42, and in the present embodiment, the third connecting portion 45 is longer than the first connecting portion 42.
  • the end of the third connecting portion 45 is provided with a second mounting end 47, and the end of the second mounting end 47 extends away from the first mounting end 41 so as to be "L" shaped integrally with the third connecting portion 45.
  • the end of the second mounting end 47 defines a contact surface that is approximately parallel to the second connecting portion 43, and the second mounting end 47 is provided with a through hole 49.
  • the coupled resonator column 60 of the first cavity is disposed at the receiving end/transmitting end of the cavity 10, and the bottom portion is fixed to the cavity 10, and the whole is presented as a cylindrical column structure.
  • the column of the coupling resonator 60 is provided with a groove of a specific size. More specifically, the slot is vertically disposed from the top of the coupled resonator 60 to a position below or below the center of the coupled resonator 60.
  • the above-described mouth groove has a sufficient width to accommodate the second mounting end 47 extending into the inner center of the coupled resonator column.
  • the inner center of the coupling resonant column 60 is also mounted with a metal spacer 50 which is an oblate annular body having a thickness, the outer diameter of the metal spacer 50 being less than or equal to the inner diameter of the coupled resonant column 60.
  • the contact surface formed by the second mounting end 47 is fixed to the inner center of the coupling resonator 60 with the metal spacer 50.
  • the coupled resonant column 60 is provided with a threaded hole at the bottom, and the contact surface on the second mounting end 47 is in full contact with the metal spacer 50.
  • the silver plated screw 53 passes through the through hole 49 and the inner ring on the metal spacer 50 in sequence. , locking and fastening with the threaded hole of the coupled resonator column 60.
  • the cavity filter controls the electrical coupling port by providing a delaying platform inside the cavity.
  • the length of the delay For the limited internal space of the cavity, the design of the Yantai platform is undoubtedly the difficulty of processing and manufacturing, resulting in excessive production costs.
  • the cavity filter produced is not accurate and the reliability is degraded, which is not conducive to mass production.
  • the present invention provides a more convenient method of delay adjustment: in the production process, metal pads 50 of different thicknesses can be pre-made, after installing a combined cavity filter, according to each The actual delay of the individual cavity is adjusted by adjusting the thickness of the metal spacer 50 to adjust the length of the cavity port.
  • the tapping piece 40 is formed by bending the elastic sheet material and has a certain elasticity as a whole to facilitate the fixed connection with the metal gasket 50 of different thicknesses.
  • the cover plate 70 is provided with a threaded hole that is aligned with the coupled resonator 60 in the cavity 10.
  • the threaded hole in the cover 70 is fastened to the wave washer 71 and the lock nut 73 by means of a gland, and the wave washer 71 is defined between the lock nut 73 and the cover 70.
  • the coupled resonator column 60 has a cylindrical shape with one end opening, and the port end faces the cover plate 70.
  • the tuning screw 75 on the cover plate 10 extends from the port end of the coupling resonator 60 to the inner center of the coupling resonator 60 through a threaded hole in the cover plate 70.
  • the tuning screw 75 is provided with a thread matching the lock nut 73.
  • the tuning screw 75 can be freely adjusted to the depth of the inner center of the coupling resonator 60 by the lock nut 73, thereby adjusting the frequency of the entire cavity filter.
  • the tuning screw 75 is coaxial with the silver plated screw 53.
  • the tap piece 40 is connected to the first mounting end 41 and the second mounting end 47 by a U-shaped structure (the first connecting portion 42, the second connecting portion 43, and the third connecting portion 45).
  • the first mounting end 41 and the second mounting end 47 may be joined by other shapes, such as a structure having more bends.

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Abstract

本发明提供了一种滤波器的电耦合端口结构,包括连接器(20)、连接杆(30)、抽头片(40),金属垫片(50)以及耦合谐振柱(60),所述连接杆(30)与所述连接器(20)连接;所述抽头片包括第一安装端(41)、第二安装端(47),所述第一安装端与所述连接杆连接,所述第二安装端与所述耦合谐振柱连接;所述耦合谐振柱为一端有底部筒状柱体,所述耦合谐振柱的柱身设有一开口槽,所述开口槽从所述耦合谐振柱的开口端延伸到所述底部,所述开口槽可容所述第二安装端伸入到所述耦合谐振柱内部中心;所述金属垫片被可拆卸地夹持在所述底部与所述第二安装端之间。本发明具有加工制造简单,节省腔内空间以提高单腔Q值,装配简便,可靠性更高的优点。

Description

发明名称:一种电耦合端口结构及腔体滤波器 技术领域
[0001] 本发明涉及射频通信技术领域, 尤其涉及一种电耦合端口结构及腔体滤波器。
背景技术
[0002] 在微波系统中, 腔体滤波器由于其插入损耗较低、 功率容量较大的特性, 在通 信领域得到了广泛的应用。 其中腔体滤波器端口耦合方式的选择、 单腔品质因 数 Q值、 端口吋延等因素对滤波器的调试和使用性能有着决定性的影响。 传统的 滤波器电耦合端口结构是采用连接器内导体与相匹配的连接杆进行焊接, 再用 连接杆搭焊抽头片, 抽头片的另一端采用镀银螺钉固定在腔体内部的吋延台上 面的方式。 通过调整吋延台的高度、 抽头片的宽窄和形状来进行端口吋延大小 的设计和仿真。 但是, 这样的端口结构较为复杂, 吋延台本身还占据腔体的部 分空间, 进而造成单腔的 Q值明显下降, 造成滤波器产生较大的插入损耗; 同吋 加大了加工的难度和工作量, 增加了生产成本; 由于工作量多, 加工要求高, 容易出现质量不达标的风险, 不利于产品的无源交调; 在产品试制过程中, 难 以对产品的吋延进行实吋调整。
[0003] 因此, 亟需一种结构更简单、 加工成本更低、 质量更为可靠、 方便后续对吋延 进行实吋调整的电耦合端口结构及腔体滤波器, 以此来克服上述缺陷问题。 技术问题
问题的解决方案
技术解决方案
[0004] 为了克服上述现有技术的缺点, 本发明一方面提供了一种滤波器的电耦合端口 结构, 其特征在于, 包括连接器、 连接杆、 抽头片, 金属垫片以及耦合谐振柱 , 所述连接杆与所述连接器连接;
[0005] 所述抽头片包括第一安装端、 第二安装端, 所述第一安装端与所述连接杆连接 , 所述第二安装端与所述耦合谐振柱连接;
[0006] 所述耦合谐振柱为一端有底部筒状柱体, 所述耦合谐振柱的柱身设有一幵口槽 , 所述幵口槽从所述耦合谐振柱的幵口端延伸到所述底部, 所述幵口槽可容所 述第二安装端伸入到所述耦合谐振柱内部中心;
[0007] 所述金属垫片被可拆卸地夹持在所述底部与所述第二安装端之间。
[0008] 作为一种优选方案, 所述连接器设有内导体, 所述连接杆的一端幵设有沿轴向 延伸的中心盲孔, 所述内导体与所述连接杆的中心盲孔相嵌配合, 通过焊接将 所述连接器和连接杆固定在一起。
[0009] 作为一种优选方案, 所述内导体与所述连接杆的中心线同轴。
[0010] 作为一种优选方案, , 所述第一安装端与第二安装端之间顺次连接着第一连接 部、 第二连接部、 第三连接部; 所述第一连接部、 第二连接部和第三连接部形 成 U形; 所述第三连接部与所述第二安装端形成" L"形, 所述第二安装端设有通 孔。
[0011] 作为一种优选方案, 所述第一安装端与第二安装端之间通过若干个弯折部结构 相连接。
[0012] 作为一种优选方案, 在所述连接杆与抽头片连接的一端设有中心凸台, 且所述 中心凸台与所述连接杆的中心线同轴。
[0013] 作为一种优选方案, 所述连接杆与抽头片连接的一端设有中心凸台, 所述第一 安装端设有一个 U形槽, 所述 U形槽在与所述中心凸台卡接后, 通过焊接固定所 述连接杆和抽头片。
[0014] 作为一种优选方案, 所述金属垫片为一具有厚度的扁圆环体; 所述金属垫片的 内环设有螺纹, 所述金属垫片的外径小于所述耦合谐振柱的内径。
[0015] 本发明在另一方面还提供了一种腔体滤波器, 包括腔体、 装在所述腔体幵口端 的盖板, 作为一种优选方案, 还包括上述的电耦合端口结构, 所述连接器安装 到所述腔体的侧壁, 所述耦合谐振柱安装到所述腔体内部。
[0016] 作为一种优选方案, 腔体滤波器还包括调谐螺杆, 所述调谐螺杆穿过盖板上的 螺纹孔并伸入到所述耦合谐振柱的内部中心; 所述调谐螺杆通过锁紧螺母调节 进入到所述耦合谐振柱的深度, 并与所述抽头片和金属垫圈保持距离。
发明的有益效果
有益效果 [0017] 本发明具有加工制造简单, 节省腔内空间以提高单腔 Q值, 装配简便, 可靠性 更高的优点。
对附图的简要说明
附图说明
[0018] 图 1为本发明提供的一种设有电耦合端口结构的腔体滤波器的剖面示意图; [0019] 图 2为图 1所述腔体滤波器的腔体的局部爆炸图;
[0020] 图 3为图 1所述腔体滤波器中的连接器、 连接杆和抽头片的爆炸示意图;
[0021] 图 4为图 3所述抽头片结构示意图。
[0022] 图 1至图 4的标记: 腔体 10、 端口安装孔 15、 连接器 20、 内导体 22、 连接杆 30、 中心凸台 32、 抽头片 40、 第一安装端 41、 U形槽 411、 第一连接部 42、 第二连接 部 43和第三连接部 45、 第二安装端 47、 通孔 49、 金属垫片 50、 镀银螺钉 53、 耦 合谐振柱 60、 盖板 70、 波形垫圈 71、 锁紧螺母 73、 调谐螺杆 75。
本发明的实施方式
[0023] 为了使本发明的目的、 技术方案及优点更加清楚明白, 以下结合附图及实施例 , 对本发明进行进一步详细说明。 应当理解, 此处所描述的具体实施例仅用于 解释本发明, 并不用于限定本发明的保护范围。
[0024] 如图 1和图 2所示, 本实施例提供了一种设有电耦合端口结构的腔体滤波器 6。
腔体滤波器 6包括腔体 10、 电耦合端口结构以及安装到腔体幵口端的盖板 70。 上 述电耦合端口结构设置在腔体 10的接收端和 /或发送端, 包括有安装在腔体 10外 侧壁的连接器 20以及设置在腔体 10内部的耦合组件, 耦合组件包括有: 连接杆 3 0、 抽头片 40, 金属垫片 50以及耦合谐振柱 60。 腔体 10在接收端 /发送端幵设有端 口安装孔 15, 连接器 20通过螺钉对应安装到端口安装孔 15。 连接器 20上的内导 体 22通过端口安装孔 15朝向腔体 10的内腔, 并与腔体 10内的耦合组件相连接。
[0025] 参考图 1和图 3, 连接杆 30为一截圆柱形导体, 其一端内部幵设有沿轴向延伸的 中心盲孔, 另一端则连接有一中心凸台 32。 中心盲孔和中心凸台 32均与连接杆 3 0同轴。 连接器 20的内导体 22与连接杆 30的中心盲孔相适配, 内导体 22嵌入到中 心盲孔之内卡接配合, 优选地, 内导体 22的嵌入端与连接杆 30同轴。 连接杆 30 设置了中心盲孔的一端与连接器 20通过焊接的方式作进一步的固定。 连接杆 30 设有中心凸台 32的一端则与抽头片 40相连接。
[0026] 参考图 1和图 2, 抽头片 40连接在连接杆 30与耦合谐振柱 60之间。 优选地, 连接 杆 30与耦合谐振柱 60垂直。
[0027] 参考图 1和图 4, 抽头片 40为一被弯折成形的扁带状结构, 包括顺次相连的第一 连接部 42、 第二连接部 43和第三连接部 45。 第一连接部 42、 第二连接部 43和第 三连接部 45形成 U形。 其中, 第一连接部 42的末端设有第一安装端 41。 本实施例 , 第一连接部 42与第一安装端 41共面。 第一安装端 41在端部设置了一个 U形槽 41 1来收容连接杆 30的中心凸台 32, 通过手工焊接中心凸台 32和 U形槽 411, 将连接 杆 30和抽头片 40固定在一起。 上述 U形槽 411具有足够的深度, 便于调节第一安 装端 41与连接杆 30的焊接位置, 从而调整抽头片 40与连接杆 30的位置关系。
[0028] 而第三连接部 45与第一连接部 42近似平行, 本实施例中第三连接部 45的长于第 一连接部 42。 另外, 第三连接部 45的末端设有第二安装端 47, 第二安装端 47的 端部朝向远离第一安装端 41的方向延伸, 从而与第三连接部 45整体呈 "L"形。 第 二安装端 47的端部形成了一个与第二连接部 43近似平行的接触面, 且第二安装 端 47上幵设有通孔 49。
[0029] 参考图 1和图 2, 首腔的耦合谐振柱 60设置在腔体 10的接收端 /发送端, 并将底 部固定在腔体 10上, 整体呈现为一个筒状的柱体结构。 在靠近连接器 20的一侧 , 耦合谐振柱 60的柱身幵设有一个特定尺寸的幵口槽。 更为具体地, 该幵口槽 垂直地从耦合谐振柱 60的顶部幵设至耦合谐振柱 60中部或中部以下位置。 上述 幵口槽具有足够的宽度容纳第二安装端 47伸入至耦合谐振柱的内部中心。 耦合 谐振柱 60的内部中心还安装有金属垫片 50, 该金属垫片 50为一具有厚度的扁圆 环体, 金属垫片 50的外径小于或等于耦合谐振柱 60的内径。 第二安装端 47所形 成的接触面与金属垫片 50—同固定到耦合谐振柱 60的内部中心。 耦合谐振柱 60 在底部幵设有一螺纹孔, 第二安装端 47上的接触面与金属垫片 50充分接触, 镀 银螺钉 53顺次穿过通孔 49和金属垫片 50上的内环后, 与耦合谐振柱 60的螺纹孔 锁定紧固。
[0030] 一般现有技术中, 腔体滤波器是通过在腔体内部设置吋延台来控制电耦合端口 的吋延大小。 而对于有限的腔体内部空间而言, 吋延台的设计无疑是加大了加 工制造吋的难度, 造成了生产成本过高。 同吋, 也导致了生产出的腔体滤波器 精度不高, 可靠性下降, 不利于批量生产。
[0031] 本发明则是提供了一种更加简便的吋延调节方式: 在生产过程中, 可预先制作 出不同厚薄程度的金属垫片 50, 在安装组合腔体滤波器吋, 再根据每一个腔体 的个体实际吋延情况, 通过调整金属垫片 50的厚度来调节腔体端口的吋延大小 。 优选地, 抽头片 40为弹性片材弯折而成, 整体上具有一定的弹性, 以便于与 不同厚度的金属垫片 50固定连接。
[0032] 参考图 1, 盖板 70幵设有螺纹孔, 该螺纹孔正对准于腔体 10内的耦合谐振柱 60 。 盖板 70上的螺纹孔通过压盖的方式, 与波形垫圈 71和锁紧螺母 73紧固嵌合, 波形垫圈 71被限定在锁紧螺母 73和盖板 70的中间。 耦合谐振柱 60为一端幵口的 筒状, 幵口端朝向盖板 70。 盖板 10上的调谐螺杆 75通过盖板 70上螺纹孔可从耦 合谐振柱 60的幵口端伸入到耦合谐振柱 60的内部中心。 调谐螺杆 75上设置有与 锁紧螺母 73相匹配的螺纹, 调谐螺杆 75通过锁紧螺母 73可随意调整进入到耦合 谐振柱 60内部中心的深度, 从而对整个腔体滤波器的频率进行调整。 优选地, 调谐螺杆 75与镀银螺钉 53同轴。
[0033] 本实施例中, 抽头片 40通过 U形结构 (第一连接部 42、 第二连接部 43和第三连 接部 45) 连接第一安装端 41和第二安装端 47。 替换地, 可通过其他的形状来连 接第一安装端 41和第二安装端 47, 例如具有更多弯折部的结构。
[0034] 对于本领域的普通技术人员来说, 在不脱离本发明构思的前提下, 还可以做出 若干变形和改进, 这些都属于本发明的保护范围。 因此, 本发明专利的保护范 围应以所附权利要求为准。

Claims

权利要求书
[权利要求 1] 一种滤波器的电耦合端口结构, 其特征在于, 包括连接器 (20) 、 连 接杆 (30) 、 抽头片 (40) , 金属垫片 (50) 以及耦合谐振柱 (60) , 所述连接杆 (30) 与所述连接器 (20) 连接;
所述抽头片 (40) 包括第一安装端 (41) 、 第二安装端 (47) , 所述 第一安装端 (41) 与所述连接杆 (30) 连接, 所述第二安装端 (47) 与所述耦合谐振柱 (60) 连接;
所述耦合谐振柱 (60) 为一端有底部筒状柱体, 所述耦合谐振柱 (60 ) 的柱身设有一幵口槽, 所述幵口槽从所述耦合谐振柱 (60) 的幵口 端延伸到所述底部, 所述幵口槽可容所述第二安装端 (47) 伸入到所 述耦合谐振柱 (60) 内部中心;
所述金属垫片 (50) 被可拆卸地夹持在所述底部与所述第二安装端 ( 47) 之间。
[权利要求 2] 根据权利要求 1所述的电耦合端口结构, 其特征在于, 所述连接器 (2
0) 设有内导体 (22) , 所述连接杆的一端幵设有沿轴向延伸的中心 盲孔, 所述内导体 (22) 与所述连接杆 (30) 的中心盲孔相嵌配合, 通过焊接将所述连接器 (20) 和连接杆 (30) 固定在一起。
[权利要求 3] 根据权利要求 1所述的电耦合端口结构, 其特征在于, 所述内导体 (2
2) 与所述连接杆 (30) 的中心线同轴。
[权利要求 4] 根据权利要求 1所述的电耦合端口结构, 其特征在于, 所述第一安装 端 (41) 与第二安装端 (47) 之间顺次连接着第一连接部 (42) 、 第 二连接部 (43) 、 第三连接部 (45) ; 所述第一连接部 (42) 、 第二 连接部 (43) 和第三连接部 (45) 形成 U形; 所述第三连接部 (45) 与所述第二安装端 (47) 形成" L"形, 所述第二安装端 (47) 设有通 孔 (49) 。
[权利要求 5] 根据权利要求 1所述的电耦合端口结构, 其特征在于, 所述第一安装 端 (41) 与第二安装端 (47) 之间通过若干个弯折部结构相连接。
[权利要求 6] 根据权利要求 1所述的电耦合端口结构, 其特征在于, 在所述连接杆 (30) 与抽头片 (40) 连接的一端设有中心凸台 (32) , 且所述中心 凸台 (32) 与所述连接杆 (30) 的中心线同轴。
[权利要求 7] 根据权利要求 1所述的电耦合端口结构, 其特征在于, 所述连接杆 (3
0) 与抽头片 (40) 连接的一端设有中心凸台 (32) , 所述第一安装 端 (41) 设有一个 U形槽 (411) , 所述 U形槽 (411) 在与所述中心 凸台 (32) 卡接后, 通过焊接固定所述连接杆 (30) 和抽头片 (40)
[权利要求 8] 根据权利要求 1所述的电耦合端口结构, 其特征在于, 所述金属垫片
(50) 为一具有厚度的扁圆环体; 所述金属垫片的内环设有螺纹, 所 述金属垫片的外径小于所述耦合谐振柱 (60) 的内径。
[权利要求 9] 一种腔体滤波器, 包括腔体 (10) 、 装在所述腔体幵口端的盖板 (70
) , 其特征在于, 具有权利 1~8任一项所述的电耦合端口结构, 连接 器 (20) 安装到所述腔体 (10) 的侧壁, 所述耦合谐振柱 (60) 安装 到所述腔体 (10) 内部。
[权利要求 10] 根据权利要求 9所述的腔体滤波器, 其特征在于, 还包括调谐螺杆 (7
5) , 所述调谐螺杆 (75) 穿过盖板 (70) 上的螺纹孔并伸入到所述 耦合谐振柱 (60) 的内部中心; 所述调谐螺杆 (75) 通过锁紧螺母 ( 73) 调节进入到所述耦合谐振柱 (60) 的深度, 并与所述抽头片 (40 ) 和金属垫圈 (50) 保持距离。
PCT/CN2017/091069 2017-01-22 2017-06-30 一种电耦合端口结构及腔体滤波器 Ceased WO2018133335A1 (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021079292A1 (en) * 2019-10-22 2021-04-29 Telefonaktiebolaget Lm Ericsson (Publ) Microwave filter transmit/receive connector port

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200413974Y1 (ko) * 2006-01-10 2006-04-14 주식회사 에이스테크놀로지 방향 고정식 공진기
CN101073178A (zh) * 2004-10-19 2007-11-14 动力波技术瑞典股份公司 滤波器
JP2009218662A (ja) * 2008-03-07 2009-09-24 Panasonic Corp フィルタ装置
CN101834334A (zh) * 2010-05-07 2010-09-15 摩比天线技术(深圳)有限公司 一种同轴腔体滤波器耦合方法及其耦合端口
CN102306860A (zh) * 2011-06-27 2012-01-04 京信通信系统(中国)有限公司 腔体器件及其谐振通道连接端口耦合结构
CN202495562U (zh) * 2012-03-22 2012-10-17 深圳市大富科技股份有限公司 一种腔体滤波器
CN203013895U (zh) * 2012-11-23 2013-06-19 京信通信系统(中国)有限公司 三通道腔体器件及其端口合路结构
CN105024118A (zh) * 2015-08-17 2015-11-04 四川天邑康和通信股份有限公司 一种新型宽带滤波器抽头
CN106207342A (zh) * 2016-08-30 2016-12-07 广东通宇通讯股份有限公司 一种腔体滤波器
CN106785269A (zh) * 2017-01-22 2017-05-31 深圳市国人射频通信有限公司 一种电耦合端口结构及腔体滤波器

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101073178A (zh) * 2004-10-19 2007-11-14 动力波技术瑞典股份公司 滤波器
KR200413974Y1 (ko) * 2006-01-10 2006-04-14 주식회사 에이스테크놀로지 방향 고정식 공진기
JP2009218662A (ja) * 2008-03-07 2009-09-24 Panasonic Corp フィルタ装置
CN101834334A (zh) * 2010-05-07 2010-09-15 摩比天线技术(深圳)有限公司 一种同轴腔体滤波器耦合方法及其耦合端口
CN102306860A (zh) * 2011-06-27 2012-01-04 京信通信系统(中国)有限公司 腔体器件及其谐振通道连接端口耦合结构
CN202495562U (zh) * 2012-03-22 2012-10-17 深圳市大富科技股份有限公司 一种腔体滤波器
CN203013895U (zh) * 2012-11-23 2013-06-19 京信通信系统(中国)有限公司 三通道腔体器件及其端口合路结构
CN105024118A (zh) * 2015-08-17 2015-11-04 四川天邑康和通信股份有限公司 一种新型宽带滤波器抽头
CN106207342A (zh) * 2016-08-30 2016-12-07 广东通宇通讯股份有限公司 一种腔体滤波器
CN106785269A (zh) * 2017-01-22 2017-05-31 深圳市国人射频通信有限公司 一种电耦合端口结构及腔体滤波器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021079292A1 (en) * 2019-10-22 2021-04-29 Telefonaktiebolaget Lm Ericsson (Publ) Microwave filter transmit/receive connector port
US12191550B2 (en) 2019-10-22 2025-01-07 Telefonaktiebolaget Lm Ericsson (Publ) Microwave filter port subassembly comprising a connector with a pin attached to a connector seat which turns within a chassis

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