WO2016106638A1 - Cavity filter and connector thereof - Google Patents
Cavity filter and connector thereof Download PDFInfo
- Publication number
- WO2016106638A1 WO2016106638A1 PCT/CN2014/095803 CN2014095803W WO2016106638A1 WO 2016106638 A1 WO2016106638 A1 WO 2016106638A1 CN 2014095803 W CN2014095803 W CN 2014095803W WO 2016106638 A1 WO2016106638 A1 WO 2016106638A1
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- WO
- WIPO (PCT)
- Prior art keywords
- coaxial cable
- hole
- clamping
- fastener
- cavity filter
- Prior art date
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
- H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
Definitions
- the present invention relates to the field of cavity filters, and more particularly to a cavity filter and a connector therefor.
- the coaxial cable assembly includes a ground block 11, a coaxial cable 12, and a heat shrink sleeve 13.
- the coaxial cable 12 is passed through the ground block 11 and soldered to form a solder joint 14.
- the heat shrinkable sleeve 13 is sleeved at the junction of the grounding block 11 and the coaxial cable 12 to fasten the coaxial cable 12 and the grounding block 11.
- the ground block 11 is fixed to the cavity of the cavity filter.
- the fixing method causes the coaxial cable 12 to be deformed by external force
- the stress point mainly acts on the position of the solder joint 14, thereby causing structural instability at the solder joint to cause intermodulation jump, which makes the product intermodulation.
- the pass rate is low and the intermodulation is unstable.
- the technical problem to be solved by the present invention is to provide a cavity filter and a connector thereof, which can solve the intermodulation jump caused by the force of the solder joint position of the coaxial cable and the ground block in the existing cavity filter. Therefore, the product has a low intermodulation pass rate and unstable intermodulation.
- a technical solution adopted by the present invention is to provide a coaxial connector including a coaxial cable, a grounding block and a fastener; and a central portion of the grounding block is provided with a plug-in coaxial cable
- the outer circumference of the hole and the ground block includes a welding portion, a flange portion, a connecting portion and a clamping portion in the axial direction, and the grounding block is fixedly connected to the coaxial cable through the welding portion; one end of the fastener is sleeved and fixed to the connection The other end is sleeved on the clamping portion, and a clamping force in the radial direction is applied to the coaxial cable through the clamping portion.
- the end portion of the welded portion away from one end of the flange portion is provided with a guiding groove, and the guiding groove is frustoconical, and the guiding groove guides the flux to be poured into the gap between the welding portion and the coaxial cable.
- the outer circumference of the welded portion is provided with a monitoring hole that communicates with the through hole in the radial direction, and the monitoring hole is used to observe whether the flux is filled with the gap between the welded portion and the coaxial cable.
- the flange portion is provided with a screw hole extending in the axial direction, and the ground block is fixed on the cavity by a screw passing through the screw hole.
- the coaxial cable includes an inner core layer, an insulating layer and an outer shell layer in order from the inside and the outside, and the through hole is stepped, and the end surface of the outer shell layer abuts on the step surface of the through hole.
- the inner wall of one end of the fastener is provided with an internal thread
- the outer circumference of the connecting portion is provided with an external thread adapted thereto.
- the clamping portion has a frustoconical shape, and the inner wall of the other end of the fastener is adapted to the shape of the outer wall of the clamping portion, and the outer circumference of the clamping portion is provided with a slit extending in the axial direction, and the slit is inserted through the radial direction. Hold the department.
- a cavity filter including a cavity and a connector fixed to a sidewall of the cavity, the connector including a coaxial cable, a ground block, and Fastener;
- the center of the grounding block is provided with a through hole for inserting a coaxial cable
- the outer periphery of the grounding block includes a welding portion, a flange portion, a connecting portion and a clamping portion in the axial direction, and the grounding block passes through the flange
- the portion is fixed to the side wall of the cavity, and the grounding block is fixedly connected to the coaxial cable through the welding portion; one end of the fastener is sleeved and fixed to the connecting portion, and the other end is sleeved on the clamping portion, and the clamping portion is
- the coaxial cable exerts a radially inward clamping force.
- the end portion of the welded portion away from one end of the flange portion is provided with a guiding groove, and the guiding groove is frustoconical, and the guiding groove guides the flux to be poured into the gap between the welding portion and the coaxial cable.
- the outer circumference of the welded portion is provided with a monitoring hole that communicates with the through hole in the radial direction, and the monitoring hole is used to observe whether the flux is filled with the gap between the welded portion and the coaxial cable.
- the flange portion is provided with a screw hole extending in the axial direction, and the ground block is fixed on the cavity by a screw passing through the screw hole.
- the coaxial cable includes an inner core layer, an insulating layer and an outer shell layer in order from the inside and the outside, and the through hole is stepped, and the end surface of the outer shell layer abuts on the step surface of the through hole.
- the inner wall of one end of the fastener is provided with an internal thread
- the outer circumference of the connecting portion is provided with an external thread adapted thereto.
- the clamping portion has a frustoconical shape, and the inner wall of the other end of the fastener is adapted to the shape of the outer wall of the clamping portion, and the outer circumference of the clamping portion is provided with a slit extending in the axial direction, and the slit is inserted through the radial direction. Hold the department.
- the beneficial effects of the present invention are: the cavity filter and the connector of the present invention move the force point of the coaxial cable away from the welding by moving the welding spot back and the cooperation of the grounding block and the fastener.
- the point ensures that the structure of the welded joint is stable, reduces the risk of unstable intermodulation, can effectively reduce the intermodulation jump, improve the intermodulation stability, and improve the intermodulation pass rate of the product.
- FIG. 1 is a schematic cross-sectional view of a prior art coaxial cable assembly
- FIG. 2 is a schematic cross-sectional view of a coaxial cable assembly in accordance with a preferred embodiment of the present invention
- Figure 3 is a side elevational view of the ground block of Figure 2;
- FIG. 4 is a top plan view of the ground block of FIG. 2.
- Figure 2 is a schematic cross-sectional view of a connector in accordance with a preferred embodiment of the present invention.
- the connector 2 includes a ground block 21, a coaxial cable 22, and a fastener 23.
- FIG. 3 is a side view of the ground block of FIG. 2, and FIG. 4 is a top plan view of the ground block of FIG.
- a through hole 219 into which the coaxial cable 22 is inserted is provided at the center of the ground block 21.
- the outer periphery of the grounding block 21 is provided with a welded portion 213, a flange portion 211, a connecting portion 212, and a nip portion 217 in this order.
- One end of the flange portion 211 is connected to the connecting portion 212, and the other end is connected to the welded portion 213.
- One end of the connecting portion 212 is connected to the flange portion 211, and the other end is connected to the clamping portion 217.
- the through hole 219 penetrates the welded portion 213, the flange portion 211, the connecting portion 212, and the nip portion 217.
- the flange portion 211 is provided with a screw hole 216 extending in the axial direction, and the ground block 21 is fixed to the cavity of the cavity filter by a screw passing through the screw hole 216.
- a gap is formed between the welded portion 213 and the coaxial cable 22, and the flux is poured into the gap between the welded portion 213 and the coaxial cable 22 from the end of the welded portion 213 away from the connecting portion 212.
- a guide groove 215 is provided on an end surface of the welded portion 213 away from one end of the connecting portion 212. In a preferred embodiment, the guide slot 215 is frustoconical.
- the guide groove 215 guides the flux into the gap between the welded portion 213 and the coaxial cable 22.
- the guide grooves 215 are provided in plurality, and the plurality of guide grooves 215 are evenly distributed along the circumferential direction of the welded portion 213.
- the outer circumference of the welded portion 213 is provided with a monitoring hole 214 that communicates with the through hole 219 in the radial direction, and the monitoring hole 214 is used to observe whether the flux fills the gap between the welded portion 213 and the coaxial cable 22. At least two of the monitoring holes 214 are distributed along the circumferential direction of the welded portion 213 to facilitate observation.
- the flange portion 211, the connecting portion 212, the welded portion 213, and the clamping portion 217 are integrally formed.
- the flange portion 211, the connecting portion 212, the soldering portion 213, and the clamping portion 217 may be integrally connected by other means, such as welding, threading, or pasting, but it is necessary to ensure that the through flange
- the axis of the through hole 219 of the portion 211, the connecting portion 212, the welded portion 213, and the sandwiching portion 217 is a straight line and is perpendicular to the circumferential cross section of the flange portion 211, the connecting portion 212, the welded portion 213, and the sandwiching portion 217.
- the fastener 23 is sleeved and fixed to the connecting portion 212, and the other end is sleeved on the clamping portion 217, and a clamping force in the radial direction is applied to the coaxial cable 22 through the clamping portion 217.
- the clamping portion 217 has a frusto-conical shape, and the inner wall of the other end of the fastener 23 is adapted to the shape of the outer wall of the clamping portion 217, and the outer circumference of the clamping portion 217 is provided with a slit 218 extending in the axial direction.
- the nip portion 217 is radially penetrated.
- the inner wall of the open end of the fastener 23 is provided with an internal thread
- the outer circumference of the connecting portion 212 is provided with an external thread adapted thereto, and the fastener 23 and the connecting portion 212 are screwed.
- the fastener 23 is a nut and, for ease of installation, is preferably a hex nut.
- the coaxial cable 22 includes an inner core layer 221, an insulating layer 222, and an outer shell layer 223 in this order from the inside to the outside.
- the through hole 219 is stepped, and the end surface of the outer shell layer 223 abuts on the stepped surface of the through hole 219.
- the coaxial cable 22 is first passed through the fastener 23 and then through the through hole 219 of the ground block 21.
- the coaxial cable 22 is welded to the welded portion 213 of the ground block 21.
- the flux is poured into the gap between the welded portion 213 and the coaxial cable 22 from the end of the welded portion 213 away from the connecting portion 212, and the guiding groove 215 guides the flux.
- the welding is finished.
- the fastener 23 is connected and fixed to the ground block 21, and the entire installation process is completed.
- the beneficial effects of the present invention are: the cavity filter of the present invention and the coaxial cable assembly thereof are matched with the rigid kit by the grounding block, so that the stress point of the coaxial cable is moved backward, so that the main force point is Keeping away from the soldering point, the structure of the soldering station is stabilized, the risk of intermodulation instability is reduced, the intermodulation jump can be effectively reduced, the intermodulation stability is improved, and the intermodulation pass rate of the product is improved.
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- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Disclosed are a cavity filter and a coaxial cable assembly thereof. The coaxial cable assembly comprises a grounding block, a coaxial cable and a rigid sleeve member. The grounding block comprises a fixing plate and a fixing column disposed on one side of the fixing plate. The grounding block is provided with a through hole running through the fixing plate and the fixing column in the axis direction of the fixing column. The coaxial cable passes through the through hole and is fixed to the grounding block. The rigid sleeve member is sleeved on the fixing column. The first end of the rigid sleeve member close to the fixing plate is fixed to the fixing column, and the second end of the rigid sleeve member away from the fixing plate is provided with a narrowing opening, which tightens the free end of the fixing column, so as to form a stress point on the coaxial cable. In the foregoing manner, according to the cavity filter and the connector thereof in the present invention, by moving the soldering point backward and through cooperation of the grounding block and a fastening member, the stress point of the coaxial cable is away from the soldering point, structure stability at the soldering point is ensured, the risk of intermodulation instability is lowered, intermodulation jump can be effectively reduced, intermodulation stability is improved, and the intermodulation pass rate of the product is increased.
Description
【技术领域】[Technical Field]
本发明涉及腔体滤波器领域，特别是涉及一种腔体滤波器及其连接器。The present invention relates to the field of cavity filters, and more particularly to a cavity filter and a connector therefor.
【背景技术】 【Background technique】
在腔体滤波器中，需要使用同轴电缆来连接内部或外部的部件。但在现有技术中，参阅图1，同轴电缆组件包括接地块11、同轴电缆12以及热缩套管13。同轴电缆12穿设于接地块11中，并进行焊接，形成焊点14。热缩套管13套设于接地块11与同轴电缆12的连接处，从而将同轴电缆12与接地块11紧固。最后，再将接地块11与腔体滤波器的腔体进行固定。但此种固定方式使得同轴电缆12在受外力干扰而发生形变时，受力点主要作用于焊点14位置，从而导致焊点处的结构不稳定引起互调跳变问题，使得产品互调通过率低，互调不稳定。In a cavity filter, a coaxial cable is required to connect internal or external components. However, in the prior art, referring to FIG. 1, the coaxial cable assembly includes a ground block 11, a coaxial cable 12, and a heat shrink sleeve 13. The coaxial cable 12 is passed through the ground block 11 and soldered to form a solder joint 14. The heat shrinkable sleeve 13 is sleeved at the junction of the grounding block 11 and the coaxial cable 12 to fasten the coaxial cable 12 and the grounding block 11. Finally, the ground block 11 is fixed to the cavity of the cavity filter. However, when the fixing method causes the coaxial cable 12 to be deformed by external force, the stress point mainly acts on the position of the solder joint 14, thereby causing structural instability at the solder joint to cause intermodulation jump, which makes the product intermodulation. The pass rate is low and the intermodulation is unstable.
【发明内容】 [Summary of the Invention]
本发明主要解决的技术问题是提供一种腔体滤波器及其连接器，能够解决现有的腔体滤波器中同轴电缆与接地块的焊点位置受力引起互调跳变。从而使得产品互调通过率低、互调不稳定的问题。The technical problem to be solved by the present invention is to provide a cavity filter and a connector thereof, which can solve the intermodulation jump caused by the force of the solder joint position of the coaxial cable and the ground block in the existing cavity filter. Therefore, the product has a low intermodulation pass rate and unstable intermodulation.
为解决上述技术问题，本发明采用的一个技术方案是：提供一种同轴连接器，包括同轴电缆、接地块和紧固件；接地块的中央设有插接同轴电缆的通孔，接地块的外周沿轴向依次包括焊接部、法兰部、连接部和夹持部，接地块通过焊接部与同轴电缆固定连接；紧固件的一端套设并固定于连接部，另一端套设在夹持部上，通过夹持部向同轴电缆施加沿径向向内的夹持力。In order to solve the above technical problem, a technical solution adopted by the present invention is to provide a coaxial connector including a coaxial cable, a grounding block and a fastener; and a central portion of the grounding block is provided with a plug-in coaxial cable The outer circumference of the hole and the ground block includes a welding portion, a flange portion, a connecting portion and a clamping portion in the axial direction, and the grounding block is fixedly connected to the coaxial cable through the welding portion; one end of the fastener is sleeved and fixed to the connection The other end is sleeved on the clamping portion, and a clamping force in the radial direction is applied to the coaxial cable through the clamping portion.
其中，焊接部和同轴电缆之间具有间隙，焊剂从焊接部远离法兰部的一端灌入焊接部和同轴电缆之间的间隙。Wherein, there is a gap between the welded portion and the coaxial cable, and the flux is poured into the gap between the welded portion and the coaxial cable from one end of the welded portion away from the flange portion.
其中，焊接部远离法兰部一端的端面设有引导槽，引导槽呈截头圆锥状，引导槽引导焊剂灌入焊接部和同轴电缆之间的间隙。Wherein, the end portion of the welded portion away from one end of the flange portion is provided with a guiding groove, and the guiding groove is frustoconical, and the guiding groove guides the flux to be poured into the gap between the welding portion and the coaxial cable.
其中，焊接部的外周设有沿径向连通通孔的监测孔，监测孔用于观测焊剂是否充满焊接部与同轴电缆之间的间隙。Wherein, the outer circumference of the welded portion is provided with a monitoring hole that communicates with the through hole in the radial direction, and the monitoring hole is used to observe whether the flux is filled with the gap between the welded portion and the coaxial cable.
其中，监测孔至少有2两个，沿焊接部的圆周方向分布。Wherein, there are at least two monitoring holes distributed along the circumferential direction of the welded portion.
其中，法兰部上设有沿轴向延伸的螺钉孔，接地块通过穿过螺钉孔的螺钉固定在腔体上。Wherein, the flange portion is provided with a screw hole extending in the axial direction, and the ground block is fixed on the cavity by a screw passing through the screw hole.
其中，同轴电缆由内之外依次包括内芯层、绝缘层、外壳层，通孔呈阶梯状，外壳层的端面抵接在通孔的阶梯面上。The coaxial cable includes an inner core layer, an insulating layer and an outer shell layer in order from the inside and the outside, and the through hole is stepped, and the end surface of the outer shell layer abuts on the step surface of the through hole.
其中，紧固件一端的内壁设有内螺纹，连接部外周设有与之适配的外螺纹。Wherein, the inner wall of one end of the fastener is provided with an internal thread, and the outer circumference of the connecting portion is provided with an external thread adapted thereto.
其中，夹持部呈截头圆锥状，紧固件另一端的内壁与夹持部的外壁形状适配，夹持部的外周设有沿轴向延伸的切槽，切槽沿径向贯穿夹持部。Wherein, the clamping portion has a frustoconical shape, and the inner wall of the other end of the fastener is adapted to the shape of the outer wall of the clamping portion, and the outer circumference of the clamping portion is provided with a slit extending in the axial direction, and the slit is inserted through the radial direction. Hold the department.
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种腔体滤波器，包括腔体和固定在腔体侧壁的连接器，该连接器包括同轴电缆、接地块和紧固件；接地块的中央设有插接同轴电缆的通孔，接地块的外周沿轴向依次包括焊接部、法兰部、连接部和夹持部，接地块通过法兰部固定在腔体的侧壁，接地块通过焊接部与同轴电缆固定连接；紧固件的一端套设并固定于连接部，另一端套设在夹持部上，通过夹持部向同轴电缆施加沿径向向内的夹持力。In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a cavity filter including a cavity and a connector fixed to a sidewall of the cavity, the connector including a coaxial cable, a ground block, and Fastener; the center of the grounding block is provided with a through hole for inserting a coaxial cable, and the outer periphery of the grounding block includes a welding portion, a flange portion, a connecting portion and a clamping portion in the axial direction, and the grounding block passes through the flange The portion is fixed to the side wall of the cavity, and the grounding block is fixedly connected to the coaxial cable through the welding portion; one end of the fastener is sleeved and fixed to the connecting portion, and the other end is sleeved on the clamping portion, and the clamping portion is The coaxial cable exerts a radially inward clamping force.
其中，焊接部和同轴电缆之间具有间隙，焊剂从焊接部远离法兰部的一端灌入焊接部和同轴电缆之间的间隙。Wherein, there is a gap between the welded portion and the coaxial cable, and the flux is poured into the gap between the welded portion and the coaxial cable from one end of the welded portion away from the flange portion.
其中，焊接部远离法兰部一端的端面设有引导槽，引导槽呈截头圆锥状，引导槽引导焊剂灌入焊接部和同轴电缆之间的间隙。Wherein, the end portion of the welded portion away from one end of the flange portion is provided with a guiding groove, and the guiding groove is frustoconical, and the guiding groove guides the flux to be poured into the gap between the welding portion and the coaxial cable.
其中，焊接部的外周设有沿径向连通通孔的监测孔，监测孔用于观测焊剂是否充满焊接部与同轴电缆之间的间隙。Wherein, the outer circumference of the welded portion is provided with a monitoring hole that communicates with the through hole in the radial direction, and the monitoring hole is used to observe whether the flux is filled with the gap between the welded portion and the coaxial cable.
其中，监测孔至少有2两个，沿焊接部的圆周方向分布。Wherein, there are at least two monitoring holes distributed along the circumferential direction of the welded portion.
其中，法兰部上设有沿轴向延伸的螺钉孔，接地块通过穿过螺钉孔的螺钉固定在腔体上。Wherein, the flange portion is provided with a screw hole extending in the axial direction, and the ground block is fixed on the cavity by a screw passing through the screw hole.
其中，同轴电缆由内之外依次包括内芯层、绝缘层、外壳层，通孔呈阶梯状，外壳层的端面抵接在通孔的阶梯面上。The coaxial cable includes an inner core layer, an insulating layer and an outer shell layer in order from the inside and the outside, and the through hole is stepped, and the end surface of the outer shell layer abuts on the step surface of the through hole.
其中，紧固件一端的内壁设有内螺纹，连接部外周设有与之适配的外螺纹。Wherein, the inner wall of one end of the fastener is provided with an internal thread, and the outer circumference of the connecting portion is provided with an external thread adapted thereto.
其中，夹持部呈截头圆锥状，紧固件另一端的内壁与夹持部的外壁形状适配，夹持部的外周设有沿轴向延伸的切槽，切槽沿径向贯穿夹持部。Wherein, the clamping portion has a frustoconical shape, and the inner wall of the other end of the fastener is adapted to the shape of the outer wall of the clamping portion, and the outer circumference of the clamping portion is provided with a slit extending in the axial direction, and the slit is inserted through the radial direction. Hold the department.
通过上述方案，本发明的有益效果是：本发明的腔体滤波器及其连接器通过将焊接点后移，以及接地块与紧固件的配合，使得同轴电缆的受力点远离焊接点，保证了焊接处的结构稳定，降低了互调不稳定的风险，能够有效的降低互调跳变，提高互调稳定性，提高产品的互调通过率。Through the above solution, the beneficial effects of the present invention are: the cavity filter and the connector of the present invention move the force point of the coaxial cable away from the welding by moving the welding spot back and the cooperation of the grounding block and the fastener. The point ensures that the structure of the welded joint is stable, reduces the risk of unstable intermodulation, can effectively reduce the intermodulation jump, improve the intermodulation stability, and improve the intermodulation pass rate of the product.
【附图说明】 [Description of the Drawings]
图1是现有技术的同轴电缆组件的截面示意图；1 is a schematic cross-sectional view of a prior art coaxial cable assembly;
图2是本发明的一优选实施例的同轴电缆组件的截面示意图；2 is a schematic cross-sectional view of a coaxial cable assembly in accordance with a preferred embodiment of the present invention;
图3是图2中的接地块的侧视示意图；Figure 3 is a side elevational view of the ground block of Figure 2;
图4是图2中的接地块的俯视示意图。4 is a top plan view of the ground block of FIG. 2.
【具体实施方式】 【detailed description】
下面通过附图与实施例对本发明进行详细描述。The invention will now be described in detail by means of the drawings and embodiments.
参阅图2，图2是本发明的一优选实施例的连接器的截面示意图。在本实施例中，连接器2包括接地块21、同轴电缆22和紧固件23。Referring to Figure 2, Figure 2 is a schematic cross-sectional view of a connector in accordance with a preferred embodiment of the present invention. In the present embodiment, the connector 2 includes a ground block 21, a coaxial cable 22, and a fastener 23.
进一步参阅图3与图4，图3是图2中的接地块的侧视示意图，图4是图2中的接地块的俯视示意图。接地块21的中央设置有插接同轴电缆22的通孔219。接地块21的外周沿轴向依次设有焊接部213、法兰部211、连接部212和夹持部217。法兰部211的一端连接连接部212，另一端连接焊接部213。连接部212的一端连接法兰部211，另一端连接夹持部217。通孔219贯穿焊接部213、法兰部211、连接部212和夹持部217。法兰部211上设有沿轴向延伸的螺钉孔216，接地块21通过穿过螺钉孔216的螺钉固定在腔体滤波器的腔体上。焊接部213和同轴电缆22之间具有间隙，焊剂从焊接部213远离连接部212的一端灌入焊接部213和同轴电缆22之间的间隙。焊接部213远离连接部212一端的端面设有引导槽215。在优选实施例中，引导槽215呈截头圆锥状。引导槽215引导焊剂灌入焊接部213和同轴电缆22之间的间隙。优选的，引导槽215设置有多个，并且多个引导槽215沿焊接部213的周向均匀分布。焊接部213的外周设有沿径向连通通孔219的监测孔214，监测孔214用于观测焊剂是否充满焊接部213与同轴电缆22之间的间隙。监测孔214至少有2两个，沿焊接部213的圆周方向分布，以方便进行观察。3 and FIG. 4, FIG. 3 is a side view of the ground block of FIG. 2, and FIG. 4 is a top plan view of the ground block of FIG. A through hole 219 into which the coaxial cable 22 is inserted is provided at the center of the ground block 21. The outer periphery of the grounding block 21 is provided with a welded portion 213, a flange portion 211, a connecting portion 212, and a nip portion 217 in this order. One end of the flange portion 211 is connected to the connecting portion 212, and the other end is connected to the welded portion 213. One end of the connecting portion 212 is connected to the flange portion 211, and the other end is connected to the clamping portion 217. The through hole 219 penetrates the welded portion 213, the flange portion 211, the connecting portion 212, and the nip portion 217. The flange portion 211 is provided with a screw hole 216 extending in the axial direction, and the ground block 21 is fixed to the cavity of the cavity filter by a screw passing through the screw hole 216. A gap is formed between the welded portion 213 and the coaxial cable 22, and the flux is poured into the gap between the welded portion 213 and the coaxial cable 22 from the end of the welded portion 213 away from the connecting portion 212. A guide groove 215 is provided on an end surface of the welded portion 213 away from one end of the connecting portion 212. In a preferred embodiment, the guide slot 215 is frustoconical. The guide groove 215 guides the flux into the gap between the welded portion 213 and the coaxial cable 22. Preferably, the guide grooves 215 are provided in plurality, and the plurality of guide grooves 215 are evenly distributed along the circumferential direction of the welded portion 213. The outer circumference of the welded portion 213 is provided with a monitoring hole 214 that communicates with the through hole 219 in the radial direction, and the monitoring hole 214 is used to observe whether the flux fills the gap between the welded portion 213 and the coaxial cable 22. At least two of the monitoring holes 214 are distributed along the circumferential direction of the welded portion 213 to facilitate observation.
在本实施例中，法兰部211、连接部212、焊接部213和夹持部217为一体成型。而在其他实施例中，法兰部211、连接部212、焊接部213和夹持部217可通过其他方式连接成一体，例如焊接、螺纹咬合或者黏贴，但需要保证的是，贯穿法兰部211、连接部212、焊接部213和夹持部217的通孔219的轴为一条直线且与法兰部211、连接部212、焊接部213和夹持部217的周向截面垂直。In the present embodiment, the flange portion 211, the connecting portion 212, the welded portion 213, and the clamping portion 217 are integrally formed. In other embodiments, the flange portion 211, the connecting portion 212, the soldering portion 213, and the clamping portion 217 may be integrally connected by other means, such as welding, threading, or pasting, but it is necessary to ensure that the through flange The axis of the through hole 219 of the portion 211, the connecting portion 212, the welded portion 213, and the sandwiching portion 217 is a straight line and is perpendicular to the circumferential cross section of the flange portion 211, the connecting portion 212, the welded portion 213, and the sandwiching portion 217.
紧固件23的一端套设并固定于连接部212，另一端套设在夹持部217上，通过夹持部217向同轴电缆22施加沿径向向内的夹持力。夹持部217呈截头圆锥状，紧固件23另一端的内壁与夹持部217的外壁形状适配，夹持部217的外周设有沿轴向延伸的切槽218，切槽218沿径向贯穿夹持部217。另外，紧固件23开口端的内壁设有内螺纹，连接部212的外周设有与之适配的外螺纹，紧固件23与连接部212之间为螺纹连接。优选的，紧固件23为螺母，并且为了安装方便，最佳为六角螺母。One end of the fastener 23 is sleeved and fixed to the connecting portion 212, and the other end is sleeved on the clamping portion 217, and a clamping force in the radial direction is applied to the coaxial cable 22 through the clamping portion 217. The clamping portion 217 has a frusto-conical shape, and the inner wall of the other end of the fastener 23 is adapted to the shape of the outer wall of the clamping portion 217, and the outer circumference of the clamping portion 217 is provided with a slit 218 extending in the axial direction. The nip portion 217 is radially penetrated. In addition, the inner wall of the open end of the fastener 23 is provided with an internal thread, and the outer circumference of the connecting portion 212 is provided with an external thread adapted thereto, and the fastener 23 and the connecting portion 212 are screwed. Preferably, the fastener 23 is a nut and, for ease of installation, is preferably a hex nut.
同轴电缆22包括由内之外依次包括内芯层221、绝缘层222、外壳层223。在本实施例中，通孔219呈阶梯状，外壳层223的端面抵接在通孔219的阶梯面上。The coaxial cable 22 includes an inner core layer 221, an insulating layer 222, and an outer shell layer 223 in this order from the inside to the outside. In the present embodiment, the through hole 219 is stepped, and the end surface of the outer shell layer 223 abuts on the stepped surface of the through hole 219.
在安装时，先将同轴电缆22穿过紧固件23，然后再穿过接地块21的通孔219。当同轴电缆22的外壳层223的端面抵接在通孔219的阶梯面上后，将同轴电缆22与接地块21的焊接部213进行焊接。焊剂从焊接部213远离连接部212的一端灌入焊接部213和同轴电缆22之间的间隙，引导槽215对焊剂进行引导。当通过监测孔214观测到焊剂已经充满焊接部213与同轴电缆22之间的间隙后，焊接结束。最后，将紧固件23与接地块21连接并固定，便完成了整个安装过程。At the time of installation, the coaxial cable 22 is first passed through the fastener 23 and then through the through hole 219 of the ground block 21. When the end surface of the outer shell layer 223 of the coaxial cable 22 abuts on the stepped surface of the through hole 219, the coaxial cable 22 is welded to the welded portion 213 of the ground block 21. The flux is poured into the gap between the welded portion 213 and the coaxial cable 22 from the end of the welded portion 213 away from the connecting portion 212, and the guiding groove 215 guides the flux. When the flux has been observed to fill the gap between the welded portion 213 and the coaxial cable 22 through the monitoring hole 214, the welding is finished. Finally, the fastener 23 is connected and fixed to the ground block 21, and the entire installation process is completed.
通过上述方案，本发明的有益效果是：本发明的腔体滤波器及其同轴电缆组件通过接地块与刚性套件的配合，使得同轴电缆的受力点后移，使得主要受力点远离焊接点，保证了焊接处的结构稳定，降低了互调不稳定的风险，能够有效的降低互调跳变，提高互调稳定性，提高产品的互调通过率。Through the above solution, the beneficial effects of the present invention are: the cavity filter of the present invention and the coaxial cable assembly thereof are matched with the rigid kit by the grounding block, so that the stress point of the coaxial cable is moved backward, so that the main force point is Keeping away from the soldering point, the structure of the soldering station is stabilized, the risk of intermodulation instability is reduced, the intermodulation jump can be effectively reduced, the intermodulation stability is improved, and the intermodulation pass rate of the product is improved.
以上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。The above are only the embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.
Claims (18)
- 一种同轴连接器，其特征在于，包括同轴电缆、接地块和紧固件；A coaxial connector comprising a coaxial cable, a grounding block and a fastener;所述接地块的中央设有插接所述同轴电缆的通孔，所述接地块的外周沿轴向依次包括焊接部、法兰部、连接部和夹持部，所述接地块通过所述焊接部与所述同轴电缆固定连接；a center of the grounding block is provided with a through hole for inserting the coaxial cable, and the outer circumference of the grounding block includes a welding portion, a flange portion, a connecting portion and a clamping portion in the axial direction, the grounding Block is fixedly connected to the coaxial cable through the soldering portion;所述紧固件的一端套设并固定于所述连接部，另一端套设在所述夹持部上，通过夹持部向所述同轴电缆施加沿径向向内的夹持力。One end of the fastener is sleeved and fixed to the connecting portion, and the other end is sleeved on the clamping portion, and a clamping force in the radial direction is applied to the coaxial cable through the clamping portion.
- 根据权利要求1所述的连接器，其特征在于，所述焊接部和所述同轴电缆之间具有间隙，焊剂从所述焊接部远离所述法兰部的一端灌入所述焊接部和所述同轴电缆之间的间隙。The connector according to claim 1, wherein a gap is formed between the welded portion and the coaxial cable, and a flux is poured into the welded portion from an end of the welded portion away from the flange portion and a gap between the coaxial cables.
- 根据权利要求2所述的连接器，其特征在于，所述焊接部远离所述法兰部一端的端面设有引导槽，所述引导槽呈截头圆锥状，所述引导槽引导所述焊剂灌入所述焊接部和所述同轴电缆之间的间隙。The connector according to claim 2, wherein an end surface of the welded portion away from one end of the flange portion is provided with a guiding groove, the guiding groove is frustoconical, and the guiding groove guides the flux A gap between the welded portion and the coaxial cable is poured.
- 根据权利要求2所述的连接器，其特征在于，所述焊接部的外周设有沿径向连通所述通孔的监测孔，所述监测孔用于观测焊剂是否充满焊接部与所述同轴电缆之间的间隙。The connector according to claim 2, wherein the outer circumference of the welded portion is provided with a monitoring hole that communicates the through hole in a radial direction, and the monitoring hole is used to observe whether the flux is filled with the welded portion and the same The gap between the shaft cables.
- 根据权利要求4所述的连接器，其特征在于，所述监测孔至少有2两个，沿焊接部的圆周方向分布。The connector according to claim 4, wherein said monitoring holes are at least two and are distributed along the circumferential direction of the welded portion.
- 根据权利要求1至5任意一项所述的连接器，其特征在于，所述法兰部上设有沿轴向延伸的螺钉孔，所述接地块通过穿过所述螺钉孔的螺钉固定在腔体上。The connector according to any one of claims 1 to 5, wherein the flange portion is provided with a screw hole extending in the axial direction, and the ground block is fixed by a screw passing through the screw hole. On the cavity.
- 根据权利要求1至5任意一项所述的连接器，其特征在于，所述同轴电缆由内之外依次包括内芯层、绝缘层、外壳层，所述通孔呈阶梯状，所述外壳层的端面抵接在所述通孔的阶梯面上。The connector according to any one of claims 1 to 5, wherein the coaxial cable includes an inner core layer, an insulating layer and an outer shell layer in order from the inside and the outside, and the through hole is stepped. The end surface of the outer shell layer abuts on the step surface of the through hole.
- 根据权利要求1至5任意一项所述的连接器，其特征在于，所述紧固件一端的内壁设有内螺纹，所述连接部外周设有与之适配的外螺纹。The connector according to any one of claims 1 to 5, characterized in that the inner wall of one end of the fastener is provided with an internal thread, and the outer periphery of the connecting portion is provided with an external thread adapted thereto.
- 根据权利要求1至5任意一项所述的连接器，其特征在于，所述夹持部呈截头圆锥状，所述紧固件另一端的内壁与所述夹持部的外壁形状适配，所述夹持部的外周设有沿轴向延伸的切槽，所述切槽沿径向贯穿所述夹持部。 The connector according to any one of claims 1 to 5, wherein the clamping portion has a frustoconical shape, and an inner wall of the other end of the fastener is adapted to an outer wall shape of the clamping portion. The outer circumference of the clamping portion is provided with a slit extending in the axial direction, and the slit penetrates the clamping portion in the radial direction.
- 一种腔体滤波器，包括腔体和固定在腔体侧壁的连接器，其特征在于，所述连接器包括同轴电缆、接地块和紧固件；A cavity filter comprising a cavity and a connector fixed to the sidewall of the cavity, wherein the connector comprises a coaxial cable, a grounding block and a fastener;所述接地块的中央设有插接所述同轴电缆的通孔，所述接地块的外周沿轴向依次包括焊接部、法兰部、连接部和夹持部，所述接地块通过法兰部固定在所述腔体的侧壁，所述接地块通过所述焊接部与所述同轴电缆固定连接；a center of the grounding block is provided with a through hole for inserting the coaxial cable, and the outer circumference of the grounding block includes a welding portion, a flange portion, a connecting portion and a clamping portion in the axial direction, the grounding The block is fixed to the sidewall of the cavity by a flange portion, and the ground block is fixedly connected to the coaxial cable through the soldering portion;所述紧固件的一端套设并固定于所述连接部，另一端套设在所述夹持部上，通过夹持部向所述同轴电缆施加沿径向向内的夹持力。One end of the fastener is sleeved and fixed to the connecting portion, and the other end is sleeved on the clamping portion, and a clamping force in the radial direction is applied to the coaxial cable through the clamping portion.
- 根据权利要求10所述的腔体滤波器，其特征在于，所述焊接部和所述同轴电缆之间具有间隙，焊剂从所述焊接部远离所述法兰部的一端灌入所述焊接部和所述同轴电缆之间的间隙。The cavity filter according to claim 10, wherein a gap is formed between the solder portion and the coaxial cable, and solder is poured into the solder from an end of the solder portion away from the flange portion a gap between the portion and the coaxial cable.
- 根据权利要求11所述的腔体滤波器，其特征在于，所述焊接部远离所述法兰部一端的端面设有引导槽，所述引导槽呈截头圆锥状，所述引导槽引导所述焊剂灌入所述焊接部和所述同轴电缆之间的间隙。The cavity filter according to claim 11, wherein a guide groove is formed on an end surface of the welded portion away from one end of the flange portion, and the guide groove has a frustoconical shape, and the guide groove guides the guide The flux is poured into the gap between the solder portion and the coaxial cable.
- 根据权利要求11所述的腔体滤波器，其特征在于，所述焊接部的外周设有沿径向连通所述通孔的监测孔，所述监测孔用于观测焊剂是否充满焊接部与所述同轴电缆之间的间隙。The cavity filter according to claim 11, wherein the outer circumference of the welded portion is provided with a monitoring hole that communicates the through hole in a radial direction, and the monitoring hole is used to observe whether the flux is filled with the welded portion and the The gap between the coaxial cables.
- 根据权利要求13所述的腔体滤波器，其特征在于，所述监测孔至少有2两个，沿焊接部的圆周方向分布。The cavity filter according to claim 13, wherein said monitoring holes are at least two and are distributed along a circumferential direction of the welded portion.
- 根据权利要求10至14任意一项所述的腔体滤波器，其特征在于，所述法兰部上设有沿轴向延伸的螺钉孔，所述接地块通过穿过所述螺钉孔的螺钉固定在腔体上。The cavity filter according to any one of claims 10 to 14, wherein the flange portion is provided with a screw hole extending in the axial direction, and the ground block passes through the screw hole. The screw is fixed to the cavity.
- 根据权利要求10至14任意一项所述的腔体滤波器，其特征在于，所述同轴电缆由内之外依次包括内芯层、绝缘层、外壳层，所述通孔呈阶梯状，所述外壳层的端面抵接在所述通孔的阶梯面上。The cavity filter according to any one of claims 10 to 14, wherein the coaxial cable comprises an inner core layer, an insulating layer and an outer shell layer in order from the inside to the outside, and the through hole is stepped. The end surface of the outer shell layer abuts on the step surface of the through hole.
- 根据权利要求10至14任意一项所述的腔体滤波器，其特征在于，所述紧固件一端的内壁设有内螺纹，所述连接部外周设有与之适配的外螺纹。The cavity filter according to any one of claims 10 to 14, wherein an inner wall of one end of the fastener is provided with an internal thread, and an outer circumference of the connecting portion is provided with an external thread adapted thereto.
- 根据权利要求10至14任意一项所述的腔体滤波器，其特征在于，所述夹持部呈截头圆锥状，所述紧固件另一端的内壁与所述夹持部的外壁形状适配，所述夹持部的外周设有沿轴向延伸的切槽，所述切槽沿径向贯穿所述夹持部。The cavity filter according to any one of claims 10 to 14, wherein the clamping portion has a frustoconical shape, and an inner wall of the other end of the fastener and an outer wall shape of the clamping portion Suitably, the outer circumference of the clamping portion is provided with a slit extending in the axial direction, and the slit penetrates the clamping portion in the radial direction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201480084412.6A CN107112652B (en) | 2014-12-31 | 2014-12-31 | Cavity body filter and its connector |
| PCT/CN2014/095803 WO2016106638A1 (en) | 2014-12-31 | 2014-12-31 | Cavity filter and connector thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/095803 WO2016106638A1 (en) | 2014-12-31 | 2014-12-31 | Cavity filter and connector thereof |
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| WO2016106638A1 true WO2016106638A1 (en) | 2016-07-07 |
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| CN (1) | CN107112652B (en) |
| WO (1) | WO2016106638A1 (en) |
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| CN101179173A (en) * | 2007-10-22 | 2008-05-14 | 常州安费诺福洋通信设备有限公司 | Contact pin jack type coaxial ripple cable connector |
| CN101640358A (en) * | 2009-09-09 | 2010-02-03 | 中天日立射频电缆有限公司 | Coaxial cable jumper and welding manufacturing method thereof |
| CN102064396A (en) * | 2010-11-01 | 2011-05-18 | 华为技术有限公司 | Coaxial cable connector |
| CN104022369A (en) * | 2014-06-20 | 2014-09-03 | 常州普纳电子科技有限公司 | High-performance welding-type radio frequency coaxial connector used for cable |
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|---|---|---|---|---|
| EP0924791B1 (en) * | 1997-12-16 | 2004-03-03 | Spinner GmbH Elektrotechnische Fabrik | Bandpass filter |
| CN101738019A (en) * | 2008-11-14 | 2010-06-16 | 乐金电子(天津)电器有限公司 | Connecting structure of refrigerant tube |
| CN202564516U (en) * | 2012-04-27 | 2012-11-28 | 深圳市大富科技股份有限公司 | Cavity filter |
| CN203481564U (en) * | 2013-09-10 | 2014-03-12 | 深圳市大富科技股份有限公司 | Coaxial connector assembly |
-
2014
- 2014-12-31 WO PCT/CN2014/095803 patent/WO2016106638A1/en active Application Filing
- 2014-12-31 CN CN201480084412.6A patent/CN107112652B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179173A (en) * | 2007-10-22 | 2008-05-14 | 常州安费诺福洋通信设备有限公司 | Contact pin jack type coaxial ripple cable connector |
| CN101640358A (en) * | 2009-09-09 | 2010-02-03 | 中天日立射频电缆有限公司 | Coaxial cable jumper and welding manufacturing method thereof |
| CN102064396A (en) * | 2010-11-01 | 2011-05-18 | 华为技术有限公司 | Coaxial cable connector |
| CN104022369A (en) * | 2014-06-20 | 2014-09-03 | 常州普纳电子科技有限公司 | High-performance welding-type radio frequency coaxial connector used for cable |
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| CN107112652B (en) | 2019-07-26 |
| CN107112652A (en) | 2017-08-29 |
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