WO2023179087A1 - 端接扩频波导同轴转换器 - Google Patents

端接扩频波导同轴转换器 Download PDF

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Publication number
WO2023179087A1
WO2023179087A1 PCT/CN2022/136650 CN2022136650W WO2023179087A1 WO 2023179087 A1 WO2023179087 A1 WO 2023179087A1 CN 2022136650 W CN2022136650 W CN 2022136650W WO 2023179087 A1 WO2023179087 A1 WO 2023179087A1
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cavity
waveguide
spread spectrum
terminated
boss
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PCT/CN2022/136650
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English (en)
French (fr)
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胡南
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胡南
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Publication of WO2023179087A1 publication Critical patent/WO2023179087A1/zh
Priority to US18/528,836 priority Critical patent/US20240162593A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H01P5/082—Transitions between hollow waveguides of different shape, e.g. between a rectangular and a circular waveguide
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
    • H01P3/06—Coaxial lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/12—Hollow waveguides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the technical field of waveguide conversion devices, and in particular to a terminated spread spectrum waveguide coaxial converter with good spreading performance.
  • Waveguide-to-coaxial converters play an important role in the microwave field, mainly realizing the mutual conversion between coaxial signals and waveguide signals.
  • the coaxial inner conductor (the connector extends into the waveguide cavity) can be regarded as a probe in the waveguide.
  • the essence of energy exchange between the probe and the waveguide is the excitation process of the probe in the waveguide.
  • the insertion of a probe induces discontinuities that generate an infinite number of higher-order modes.
  • only the main mode can be transmitted in the waveguide, and the higher-order modes that cannot be transmitted will gather around the probe to produce a reactance effect, resulting in poor spread spectrum performance.
  • the technical problem to be solved by this application is to provide a terminated spread spectrum waveguide coaxial converter with good spread spectrum performance and wide operating frequency band.
  • a terminated spread spectrum waveguide coaxial converter including an upper cavity, a lower cavity, a cover plate and a connector.
  • a waveguide cavity is formed between them, openings are formed on the left and right sides of the waveguide cavity, the cover plate is fixed to the outside of the left end opening of the waveguide cavity, the connector is fixed to the outside of the cover plate, and the coaxial inner conductor on the connector passes through Pass through the through hole on the cover plate and extend into the waveguide cavity.
  • a further technical solution is that a continuous boss structure is formed on the left side of the inner surface of the lower cavity, and a sleeve is provided at the end of the boss corresponding to the coaxial inner conductor, and the end of the coaxial inner conductor is inserted into the sleeve. inside the cylinder.
  • the boss structure includes a first boss, a second boss and a third boss that gradually rise continuously from right to left, and the sleeve is located on the left side of the third boss and is connected with the sleeve.
  • a first groove is formed at the connection between the barrel and the third boss. The end of the coaxial inner conductor is inserted into the sleeve and extends into the first groove, and is kept at a distance from the bottom of the first groove.
  • a further technical solution is that the lower surface of the upper cavity is formed with an upwardly extending slope from the middle to the right end opening of the waveguide cavity, and the upper surface of the lower cavity is formed from the middle to the right end opening of the waveguide cavity. There is a slope extending downward.
  • a further technical solution is that an upper flange connection is formed on the right side of the upper cavity, a lower flange connection is formed on the right side of the lower cavity, and the upper flange connection and the lower flange connection constitute a flange connection. , a connection hole is formed on the flange connection part.
  • the upper cavity and the lower cavity are fixedly connected through matching screws and screw holes
  • the cover plate is fixed to the left ends of the upper cavity and the lower cavity through screws
  • the connector is fixed to the cover plate through screws.
  • the converter of this application uses a step structure to achieve impedance matching and expand the operating bandwidth.
  • the step structure is easy to debug and simple to process, which reduces the difficulty of processing.
  • a narrow b-side structure is used at the connection between the waveguide and the coaxial structure (the short side of the rectangular waveguide is called b-side) (the narrow b-side structure is realized by providing slopes on the upper and lower surfaces of the cavity) to further expand the high-frequency bandwidth, in It effectively widens the working bandwidth and ensures the easy processability of the structure.
  • the main mode cutoff frequency (low frequency) of the rectangular waveguide is mainly affected by the long side of the rectangular waveguide, that is, the size of side a. Therefore, reducing the size of side b has little effect on the main mode cutoff frequency of the waveguide; at the same time, narrowing side b
  • the structure can reduce the orifice size of the rectangular waveguide, change the rectangular aspect ratio, and increase the cutoff frequency (high frequency) of high-order modes to a certain extent, thereby achieving the purpose of expanding the bandwidth.
  • Figure 1 is a schematic three-dimensional structural diagram of a converter according to an embodiment of the present application.
  • Figure 2 is a schematic three-dimensional structural diagram of the converter according to the embodiment of the present application.
  • Figure 3 is a schematic front structural view of the converter according to the embodiment of the present application.
  • Figure 4 is a schematic left structural diagram of the converter according to the embodiment of the present application.
  • Figure 5 is a right structural schematic diagram of the converter according to the embodiment of the present application.
  • Figure 6 is a schematic cross-sectional structural diagram of the converter according to the embodiment of the present application.
  • Figure 7 is an enlarged structural schematic diagram of position A in Figure 6;
  • Figures 8-9 are schematic three-dimensional structural diagrams of the lower cavity in the embodiment of the present application.
  • Figures 10 and 11 are schematic three-dimensional structural diagrams of the upper cavity in the embodiment of the present application.
  • Figure 12 is a comparison chart of the standing wave curves of this application and the standard waveguide
  • Figure 13 is a comparison chart of the insertion loss curve of this application and the standard waveguide
  • the embodiment of the present application discloses a terminated spread spectrum waveguide coaxial converter, which includes an upper cavity 1, a lower cavity 2, a cover plate 3 and a connector 4.
  • the upper cavity 1 , the lower cavity 2, the cover 3 and the connector 4 are prepared using metal materials.
  • the upper cavity 1 and the lower cavity 2 are first fixed through matching screws 15 and screw holes. Connect them together, and then use screws to fix cover plate 3 to the left ends of upper cavity 1 and lower cavity 2, and then use screws to fix connector 4 to the cover plate.
  • positioning pins 16 and positioning holes are formed on the upper cavity 1 and the lower cavity 2 respectively, and the two can be quickly connected through the arrangement of the positioning pins 16 and the positioning holes.
  • a waveguide cavity 5 is formed between the upper cavity 1 and the lower cavity 2. Openings are formed on the left and right sides of the waveguide cavity 5, and the cover plate 3 is fixed to the left end of the waveguide cavity 5. Outside the opening, the connector 4 is fixed on the outside of the cover plate 3 , and the coaxial inner conductor 6 on the connector 4 passes through the through hole on the cover plate 3 and then enters the waveguide cavity 5 .
  • a continuous boss structure is formed on the left side of the inner surface of the lower cavity 2, and a sleeve 7 is provided at the end of the boss structure corresponding to the coaxial inner conductor 6, and the coaxial The end of the inner conductor 6 is inserted into the sleeve 7 .
  • the boss structure includes a first boss 8, a second boss 9 and a third boss 10 that gradually rise continuously from right to left.
  • the sleeve 7 is located on the third boss.
  • a first groove 11 is formed on the left side of the platform 10 and at the connection between the sleeve 7 and the third boss 10.
  • the end of the coaxial inner conductor 6 is inserted into the sleeve 7 and extends to the first groove. 11 and keep a certain distance from the bottom of the first groove 11 .
  • the upper surface of the third boss 10 is kept at a certain distance from the lower surface of the upper cavity 1 .
  • the above distance is 2.85mm.
  • a gap is maintained between the coaxial inner conductor 6 and the through hole of the cover plate 3 .
  • the converter of this application uses a stepped structure to achieve impedance matching and expand the operating bandwidth.
  • the stepped structure is easy to debug and simple to process, which reduces the difficulty of processing.
  • a narrow b-side structure is used at the connection between the waveguide and the coaxial structure (the short side of the rectangular waveguide is called b-side) (the narrow b-side structure is realized by providing slopes on the upper and lower surfaces of the cavity) to further expand the high-frequency bandwidth, in It effectively widens the working bandwidth and ensures the easy processability of the structure.
  • the main mode cutoff frequency (low frequency) of the rectangular waveguide is mainly affected by the long side of the rectangular waveguide, that is, the size of side a. Therefore, reducing the size of side b (short side of the rectangular waveguide) will have an impact on the main mode cutoff frequency of the waveguide. Very small; at the same time, the narrow b-side structure can reduce the size of the rectangular waveguide orifice and change the rectangular aspect ratio, which can increase the cutoff frequency (high frequency) of high-order modes to a certain extent, thereby achieving the purpose of expanding the bandwidth.
  • the distance between the upper cavity 1 and the lower cavity 2 gradually increases from left to right.
  • the lower surface of the upper cavity 1 forms an upwardly extending slope from the middle to the right end opening of the waveguide cavity 5
  • the upper surface of the lower cavity 2 forms an upwardly extending slope from the middle to the right end opening of the waveguide cavity 5 .
  • the downward extending slope is the downward extending slope.
  • a narrow b-side structure (the short side of the rectangular waveguide is called b-side) is used at the connection between the waveguide and the coaxial structure (the narrow b-side structure is realized by providing slopes on the upper and lower surfaces of the cavity), and the narrow b-side
  • the structure can reduce the orifice size of the rectangular waveguide, change the rectangular aspect ratio, and increase the cutoff frequency (high frequency) of high-order modes to a certain extent, thereby achieving the purpose of expanding the bandwidth. Further expanding the high-frequency bandwidth effectively broadens the operating bandwidth while ensuring the easy processability of the structure.
  • an upper flange connection part 12 is formed on the right side of the upper cavity 1
  • a lower flange connection part 13 is formed on the right side of the lower cavity 2.
  • the upper flange connection part 12 and The lower flange connection part 13 constitutes a flange connection part, and a connection hole 14 is formed on the flange connection part.
  • the converter can be connected to other components through the flange connection part, making its fixing more convenient.
  • Figure 12 is a comparison chart of the standing wave curve of this application and the standard waveguide
  • Figure 13 is a comparison chart of the insertion loss curve of this application and the standard waveguide; it can be seen from Figures 12 and 13 that the standing wave and insertion loss of this application are lower And more stable.
  • the converter of this application uses a stepped structure to achieve impedance matching and expand the operating bandwidth.
  • the stepped structure is easy to debug and simple to process, which reduces the difficulty of processing.
  • a narrow b-side structure is used at the connection between the waveguide and the coaxial structure (the short side of the rectangular waveguide is called b-side) (the narrow b-side structure is realized by providing slopes on the upper and lower surfaces of the cavity) to further expand the high-frequency bandwidth, in It effectively widens the working bandwidth and ensures the easy processability of the structure.
  • the main mode cutoff frequency (low frequency) of the rectangular waveguide is mainly affected by the long side of the rectangular waveguide, that is, the size of side a. Therefore, reducing the size of side b (the short side of the rectangular waveguide) will affect the main mode cutoff frequency of the waveguide. Very small; at the same time, the narrow b-side structure can reduce the size of the rectangular waveguide orifice and change the rectangular aspect ratio, which can increase the cutoff frequency (high frequency) of high-order modes to a certain extent, thereby achieving the purpose of expanding the bandwidth.

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Abstract

本申请公开了一种端接扩频波导同轴转换器，涉及波导转换装置技术领域。所述转换器包括上腔体、下腔体、盖板和连接器，所述上腔体与下腔体之间形成有波导腔体，所述波导腔体的左右两侧形成有开口，所述盖板固定到所述波导腔体的左端开口的外侧，连接器固定在所述盖板的外侧，且所述连接器上的同轴内导体穿过所述盖板上的通孔后进入到所述波导腔体内。

Description

端接扩频波导同轴转换器
本申请要求于2022年03月21日提交至中国国家知识产权局，申请号为202210278239.X，申请名称为“端接扩频波导同轴转换器”的专利申请的优先权。
技术领域
本申请涉及波导转换装置技术领域，尤其涉及一种扩频性能好的端接扩频波导同轴转换器。
背景技术
波导同轴转换器在微波领域中起着重要的作用，主要实现同轴信号和波导信号间的相互转换。同轴内导体(连接器伸入到波导腔体内)在波导中可以看成一个探针，探针和波导间能量交换的实质是探针在波导内的激励过程。在波导中，探针的插入会引起不连续性，进而产生无穷多的高次模。而波导中只能传输主模，不能传输的高次模会聚集在探针的周围产生电抗效应，造成扩频性能不好。
发明内容
本申请所要解决的技术问题是提供一种扩频性能好，工作频带宽的端接扩频波导同轴转换器。
为解决上述技术问题，本申请所采取的技术方案是：一种端接扩频波导同轴转换器，包括上腔体、下腔体、盖板和连接器，上腔体与下腔体之间形成有波导腔体，波导腔体的左右两侧形成有开口，盖板固定到波导腔体的左端开口的外侧，连接器固定在盖板的外侧，且连接器上的同轴内导体穿过盖板上的通孔并伸入波导腔体内。
进一步的技术方案在于：下腔体内表面的左侧形成有一个连续的凸台结构，且凸台与同轴内导体相对应的端部设置有套筒，同轴内导体的端部插入到套筒内。
进一步的技术方案在于：凸台结构包括连续从右到左逐渐升高的第一凸台、第二凸台和第三凸台，套筒位于第三凸台的左侧面上，且与套筒与第三凸台的 连接处形成有第一凹槽，同轴内导体的端部插入到套筒内并延伸到第一凹槽内，且与第一凹槽的底部保持有一段距离。
进一步的技术方案在于：上腔体的下表面从中部开始至波导腔体的右端开口处为止形成有向上延伸的斜面，下腔体的上表面从中部开始至波导腔体的右端开口处为止形成有向下延伸的斜面。
进一步的技术方案在于：上腔体的右侧形成有上法兰连接部，下腔体的右侧形成有下法兰连接部，上法兰连接部和下法兰连接部构成法兰连接部，法兰连接部上形成有连接孔。
优选的，上腔体与下腔体之间通过相互配合的螺钉和螺钉孔固定连接，盖板通过螺钉固定到上腔体和下腔体的左端，连接器通过螺钉固定到盖板上。
采用上述技术方案所产生的有益效果在于：本申请转换器利用台阶结构实现阻抗匹配，拓展工作带宽，且阶梯结构易于调试，加工简单，降低了加工难度。同时在波导和同轴结构的连接处使用窄b边结构(矩形波导的短边称为b边)(窄b边结构通过腔体内的上下表面设置有斜面来实现)进一步拓展高频带宽，在有效展宽工作带宽的同时保证了结构的易加工性。
此外，矩形波导的主模截止频率(低频频率)主要受矩形波导的长边，也就是a边尺寸的影响，因此缩减b边尺寸，对于波导的主模截止频率影响很小；同时窄b边结构，可减小矩形波导的口面尺寸，改变矩形长宽比，可在一定程度上提高高次模的截止频率(高频频率)，从而达到扩展带宽的目的。
附图说明
下面结合附图和具体实施方式对本申请作进一步详细的说明。
图1是本申请实施例所述转换器的立体结构示意图；
图2是本申请实施例所述转换器的立体结构示意图；
图3是本申请实施例所述转换器的主视结构示意图；
图4是本申请实施例所述转换器的左视结构示意图；
图5是本申请实施例所述转换器的右视结构示意图；
图6是本申请实施例所述转换器的剖视结构示意图；
图7是图6中A处的放大结构示意图；
图8-图9是本申请实施例中下腔体的立体结构示意图；
图10-图11是本申请实施例中上腔体的立体结构示意图；
图12是本申请与标准波导的驻波曲线对比图；
图13是本申请与标准波导的插损曲线对比图；
其中：1、上腔体；2、下腔体；3、盖板；4、连接器；5、波导腔体；6、同轴内导体；7、套筒；8、第一凸台；9、第二凸台；10、第三凸台；11、第一凹槽；12、上法兰连接部；13、下法兰连接部；14、连接孔；15、螺钉；16、定位销钉。
具体实施方式
下面结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，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，都属于本申请保护的范围。
在下面的描述中阐述了很多具体细节以便于充分理解本申请，但是本申请还可以采用其他不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本申请内涵的情况下做类似推广，因此本申请不受下面公开的具体实施例的限制。
如图1-图11所示，本申请实施例公开了一种端接扩频波导同轴转换器，包括上腔体1、下腔体2、盖板3和连接器4，上腔体1、下腔体2、盖板3和连接器4使用金属材料进行制备，其中在进行组装的过程中，首先将上腔体1与下腔体2之间通过相互配合的螺钉15和螺钉孔固定连接到一起，然后再使用螺钉将盖板3固定到上腔体1和下腔体2的左端，然后再使用螺钉将连接器4固定到盖板上。此外，上腔体1和下腔体2上分别形成有定位销钉16和定位孔，通过定位销钉16和定位孔的设置可以使得两者快速连接。
如图6-图7所示，上腔体1与下腔体2之间形成有波导腔体5，波导腔体5的左右两侧形成有开口，盖板3固定到波导腔体5的左端开口的外侧，连接 器4固定在盖板3的外侧，且连接器4上的同轴内导体6穿过盖板3上的通孔后进入到波导腔体5内。
如图6-图9所示，下腔体2内表面的左侧形成有一个连续的凸台结构，且凸台结构与同轴内导体6相对应的端部设置有套筒7，同轴内导体6的端部插入到套筒7内。
进一步的，如图6-图9所示，凸台结构包括连续从右到左逐渐升高的第一凸台8、第二凸台9和第三凸台10，套筒7位于第三凸台10的左侧面上，且套筒7与第三凸台10的连接处形成有第一凹槽11，同轴内导体6的端部插入到套筒7内并延伸到第一凹槽11内，且与第一凹槽11的底部保持有一段距离。进一步的，如图6所示，第三凸台10的上表面与上腔体1的下表面保持有一段距离。优选地，上述距离为2.85mm。进一步的，如图6所示，同轴内导体6与盖板3的通孔之间保持有间隙。
本申请转换器利用台阶结构实现阻抗匹配，拓展工作带宽，且阶梯结构易于调试，加工简单，降低了加工难度。同时在波导和同轴结构的连接处使用窄b边结构(矩形波导的短边称为b边)(窄b边结构通过腔体内的上下表面设置有斜面来实现)进一步拓展高频带宽，在有效展宽工作带宽的同时保证了结构的易加工性。
此外，矩形波导的主模截止频率(低频频率)主要受矩形波导的长边，也就是a边尺寸的影响，因此缩减b边(矩形波导的短边)尺寸，对于波导的主模截止频率影响很小；同时窄b边结构，可减小矩形波导的口面尺寸，改变矩形长宽比，可在一定程度上提高高次模的截止频率(高频频率)，从而达到扩展带宽的目的。
进一步的，如图6所示，上腔体1与下腔体2之间的距离从左到右逐渐增大。上腔体1的下表面从中部开始至波导腔体5的右端开口处为止形成有向上延伸的斜面，下腔体2的上表面从中部开始至波导腔体5的右端开口处为止形成有向下延伸的斜面。通过上述设置，在波导和同轴结构的连接处使用窄b边结构(矩形波导的短边称为b边)(窄b边结构通过腔体内的上下表面设置有斜 面来实现)，窄b边结构，可减小矩形波导的口面尺寸，改变矩形长宽比，可在一定程度上提高高次模的截止频率(高频频率)，从而达到扩展带宽的目的。进一步拓展高频带宽，在有效展宽工作带宽的同时保证了结构的易加工性。
此外，如图6-图11所示，上腔体1的右侧形成有上法兰连接部12，下腔体2的右侧形成有下法兰连接部13，上法兰连接部12和下法兰连接部13构成法兰连接部，法兰连接部上形成有连接孔14，通过法兰连接部能够将转换器与其它部件连接到一起，使其固定更方便。
图12是本申请与标准波导的驻波曲线对比图；图13是本申请与标准波导的插损曲线对比图；从图12和图13中可以看出本申请的驻波和插损更低且更稳定。
本申请转换器利用台阶结构实现阻抗匹配，拓展工作带宽，且阶梯结构易于调试，加工简单，降低了加工难度。同时在波导和同轴结构的连接处使用窄b边结构(矩形波导的短边称为b边)(窄b边结构通过腔体内的上下表面设置有斜面来实现)进一步拓展高频带宽，在有效展宽工作带宽的同时保证了结构的易加工性。
此外，矩形波导的主模截止频率(低频频率)主要受矩形波导的长边，也就是a边尺寸的影响，因此缩减b边(矩形波导的短边)尺寸，对于波导的主模截止频率影响很小；同时窄b边结构，可减小矩形波导的口面尺寸，改变矩形长宽比，可在一定程度上提高高次模的截止频率(高频频率)，从而达到扩展带宽的目的。

Claims (10)

  1. 一种端接扩频波导同轴转换器，其特征在于：包括上腔体(1)、下腔体(2)、盖板(3)和连接器(4)，所述上腔体(1)与下腔体(2)之间形成有波导腔体(5)，所述波导腔体(5)的左右两侧形成有开口，所述盖板(3)固定到所述波导腔体(5)的左端开口的外侧，连接器(4)固定在所述盖板(3)的外侧，且所述连接器(4)上的同轴内导体(6)穿过所述盖板(3)上的通孔并伸入所述波导腔体(5)内。
  2. 如权利要求1所述的端接扩频波导同轴转换器，其特征在于：所述下腔体(2)内表面的左侧形成有一个连续的凸台结构，且所述凸台结构与所述同轴内导体(6)相对应的端部设置有套筒(7)，所述同轴内导体(6)的端部插入到所述套筒(7)内。
  3. 如权利要求2所述的端接扩频波导同轴转换器，其特征在于：所述凸台结构包括连续从右到左逐渐升高的第一凸台(8)、第二凸台(9)和第三凸台(10)，所述套筒(7)位于所述第三凸台(10)的左侧面上，且所述套筒(7)与所述第三凸台(10)的连接处形成有第一凹槽(11)，所述同轴内导体(6)的端部插入到所述套筒(7)内并延伸到所述第一凹槽(11)内，且与所述第一凹槽(11)的底部保持有一段距离。
  4. 如权利要求3所述的端接扩频波导同轴转换器，其特征在于：所述第三凸台(10)的上表面与所述上腔体(1)的下表面保持有一段距离。
  5. 如权利要求1至4中任一项所述的端接扩频波导同轴转换器，其特征在于：所述同轴内导体(6)与所述盖板(3)的通孔之间保持有间隙。
  6. 如权利要求1至4中任一项所述的端接扩频波导同轴转换器，其特征在于：所述上腔体(1)与下腔体(2)之间的距离从左到右逐渐增大。
  7. 如权利要求6所述的端接扩频波导同轴转换器，其特征在于：所述上腔体(1)的下表面从中部开始至波导腔体(5)的右端开口处为止形成有向上延伸的斜面，所述下腔体(2)的上表面从中部开始至波导腔体(5)的右端开口处为止形成有向下延伸的斜面。
  8. 如权利要求1至4中任一项所述的端接扩频波导同轴转换器，其特征在 于：所述上腔体(1)的右侧形成有上法兰连接部(12)，所述下腔体(2)的右侧形成有下法兰连接部(13)，所述上法兰连接部(12)和所述下法兰连接部(13)构成法兰连接部，所述法兰连接部上形成有连接孔(14)。
  9. 如权利要求1至4中任一项所述的端接扩频波导同轴转换器，其特征在于：所述上腔体(1)与下腔体(2)之间通过相互配合的螺钉(15)和螺钉孔固定连接。
  10. 如权利要求1至4中任一项所述的端接扩频波导同轴转换器，其特征在于：所述盖板(3)通过螺钉固定到所述上腔体(1)和下腔体(2)的左端，所述连接器(4)通过螺钉固定到所述盖板(3)上。
PCT/CN2022/136650 2022-03-21 2022-12-05 端接扩频波导同轴转换器 WO2023179087A1 (zh)

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