CN103219575B - Multi-channel combiner capable of improving low pressure power capacity - Google Patents
Multi-channel combiner capable of improving low pressure power capacity Download PDFInfo
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- 238000010586 diagram Methods 0.000 description 5
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- 239000008358 core component Substances 0.000 description 2
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Abstract
本发明提供了一种提高低气压功率容量的多通道合路器,其包括三个SMA法兰、三根半刚性电缆和十字芯组件,外围设备包括滤波器机壳和TNC插座;其中十字芯组件包括两个介质套、十字芯、SMA法兰d和两个十字接头;两个介质套对扣在十字芯的外侧,两个十字接头对扣在两个介质套的外侧,并通过SMA法兰d将两个十字接头固定;十字芯组件底部固定在滤波器机壳的混合腔中心,十字芯组件的顶部与TNC插座连接,滤波器机壳的混合腔内有三个通道分别为a、b、c,三根半刚性电缆的一端分别通过SMA法兰固定在通道a、b、c的出口上,另一端分别固定在十字芯的三个凹槽内,TNC插座的内导体也固定在十字芯剩余的凹槽内。本发明具有低损耗且低气压功率容量大的优点。
The invention provides a multi-channel combiner for improving low air pressure power capacity, which includes three SMA flanges, three semi-rigid cables and a cross-core assembly, and peripheral equipment includes a filter casing and a TNC socket; wherein the cross-core assembly Including two dielectric sleeves, cross core, SMA flange d and two cross joints; two dielectric sleeves are buckled on the outside of the cross core, two cross joints are buckled on the outside of the two dielectric sleeves, and pass through the SMA flange d Fix the two cross connectors; the bottom of the cross core assembly is fixed in the center of the mixing chamber of the filter casing, the top of the cross core assembly is connected to the TNC socket, and there are three channels in the mixing chamber of the filter casing, namely a, b, c. One end of the three semi-rigid cables are respectively fixed on the outlets of channels a, b, and c through SMA flanges, and the other ends are respectively fixed in the three grooves of the cross core. The inner conductor of the TNC socket is also fixed on the rest of the cross core. in the groove. The invention has the advantages of low loss and large power capacity under low air pressure.
Description
技术领域technical field
本发明涉及一种合路器,具体涉及一种提高低气压功率容量的多通道合路器,属于微波技术领域。The invention relates to a combiner, in particular to a multi-channel combiner with improved low air pressure power capacity, and belongs to the field of microwave technology.
背景技术Background technique
对于多通道合成技术,目前常用公共耦合腔形式对微波信号进行合路输出,这会导致公共腔内功率密度大,电场强度最大值大,低气压功率容量不超过1W,容易发生放电现象。若为了提高低气压功率容量,采用在公共腔内填充介质的方法,由于介质损耗大,会增大系统损耗。For multi-channel synthesis technology, the microwave signal is combined and output in the form of a public coupling cavity, which will lead to a large power density in the public cavity, a large maximum value of the electric field strength, and a low-pressure power capacity of less than 1W, which is prone to discharge. If the method of filling the common cavity with a dielectric is used to improve the low-pressure power capacity, the system loss will be increased due to the large dielectric loss.
发明内容Contents of the invention
有鉴于此,本发明提供了一种提高低气压功率容量的多通道合路器,采用十字芯组件并与各通道滤波器分别用半刚性电缆连接,实现三个通道合成。In view of this, the present invention provides a multi-channel combiner with improved low-air pressure power capacity, which adopts a cross-core component and connects each channel filter with a semi-rigid cable to realize three-channel synthesis.
一种提高低气压功率容量的多通道合路器,该多通道合路器包括三个SMA法兰、三根半刚性电缆和十字芯组件,外围设备包括滤波器机壳和TNC插座,TNC插座安装在滤波器机壳上;其中十字芯组件包括介质套a、十字芯、SMA法兰d、十字接头a、介质套b和十字接头b;A multi-channel combiner to improve low air pressure power capacity, the multi-channel combiner includes three SMA flanges, three semi-rigid cables and a cross-core assembly, peripheral equipment includes filter housings and TNC sockets, TNC socket installation On the filter casing; the cross core assembly includes a dielectric sleeve a, a cross core, an SMA flange d, a cross joint a, a dielectric sleeve b and a cross joint b;
所述介质套a和介质套b为十字形半圆柱体,两个介质套的中心沿轴向和径向加工有半圆形凹槽形成十字槽;所述十字芯为十字形圆柱体且其四端均沿轴向加工有凹槽;所述十字接头a和十字接头b均为长方体,且长方体的底面向外延伸形成安装台,十字接头a和十字接头b的一个表面中心加工有半圆形的十字槽;The dielectric sleeve a and the dielectric sleeve b are cross-shaped semi-cylinders, and the centers of the two dielectric sleeves are processed with semicircular grooves in the axial and radial directions to form cross grooves; the cross core is a cross-shaped cylinder and its The four ends are processed with grooves along the axial direction; the cross joint a and the cross joint b are cuboids, and the bottom surface of the cuboid extends outward to form a mounting platform, and the center of one surface of the cross joint a and the cross joint b is processed with a semicircle shaped cross groove;
安装关系:介质套a和介质套b对扣在十字芯的外侧,将十字芯固定在两者的十字槽内,十字接头a和十字接头b对扣在介质套a和介质套b的外侧,也将介质套a和介质套b固定在十字接头a和十字接头b的十字槽内,并通过SMA法兰d将十字接头a和十字接头b固定;Installation relationship: the medium sleeve a and the medium sleeve b are buckled on the outside of the cross core, and the cross core is fixed in the cross groove of the two, the cross joint a and the cross joint b are buckled on the outside of the medium sleeve a and the medium sleeve b, Also fix the medium sleeve a and the medium sleeve b in the cross grooves of the cross joint a and the cross joint b, and fix the cross joint a and the cross joint b through the SMA flange d;
十字芯组件底部通过十字接头a和十字接头b底面的安装台固定在滤波器机壳的混合腔中心,十字芯组件的顶部与TNC插座连接,滤波器机壳的混合腔内有三个通道分别为a、b、c,三根半刚性电缆的一端分别通过SMA法兰固定在通道a、b、c的出口上,另一端分别固定在十字芯的三个凹槽内,TNC插座的内导体也固定在十字芯剩余的凹槽内。The bottom of the cross core assembly is fixed in the center of the mixing chamber of the filter casing through the mounting platform on the bottom surface of the cross joint a and cross joint b, the top of the cross core assembly is connected to the TNC socket, and there are three channels in the mixing chamber of the filter housing, respectively a, b, c, one end of the three semi-rigid cables are respectively fixed on the outlets of channels a, b, and c through SMA flanges, and the other ends are respectively fixed in the three grooves of the cross core, and the inner conductor of the TNC socket is also fixed in the remaining groove of the cross core.
有益效果:Beneficial effect:
本发明采用十字芯组件作为合路器,相比传统的公共腔内功率合成技术,使低气压功率容量从1W提高至5W,因此具有低损耗且低气压功率容量大的优点。The present invention adopts the cross-core component as a combiner, and compared with the traditional public cavity power combining technology, the low-pressure power capacity is increased from 1W to 5W, so it has the advantages of low loss and large low-pressure power capacity.
附图说明Description of drawings
图1为本发明多通道合路器的结构图。FIG. 1 is a structural diagram of a multi-channel combiner of the present invention.
图2为本发明十字芯组件的结构图。Fig. 2 is a structural diagram of a cross core assembly of the present invention.
图3为本发明十字芯组件除去SMA法兰d的结构图。Fig. 3 is a structural diagram of the cross core assembly of the present invention without the SMA flange d.
图4为本发明十字芯的结构图。Fig. 4 is a structural diagram of the cross core of the present invention.
图5为本发明十字接头的结构图。Fig. 5 is a structural diagram of the cross joint of the present invention.
其中,1-滤波器机壳,2-SMA法兰a,3-半刚性电缆a,4-TNC插座,5-十字芯组件,6-半刚性电缆b,7-SMA法兰b,8-半刚性电缆c,9-SMA法兰c,11-介质套,12-十字芯,13-SMA法兰d,14-十字接头aAmong them, 1-filter housing, 2-SMA flange a, 3-semi-rigid cable a, 4-TNC socket, 5-cross core assembly, 6-semi-rigid cable b, 7-SMA flange b, 8- Semi-rigid cable c, 9-SMA flange c, 11-dielectric sleeve, 12-cross core, 13-SMA flange d, 14-cross connector a
具体实施方式Detailed ways
下面结合附图并举实施例,对本发明进行详细描述。The present invention will be described in detail below with reference to the accompanying drawings and examples.
如附图1所示,本发明提供了一种提高低气压功率容量的多通道合路器,该多通道合路器包括SMA法兰a2、半刚性电缆a3、十字芯组件5、半刚性电缆b6、SMA法兰b7、半刚性电缆c8和SMA法兰c9,外围设备包括滤波器机壳1和TNC插座4,TNC插座4安装在滤波器机壳1上;As shown in accompanying drawing 1, the present invention provides a kind of multi-channel combiner that improves low air pressure power capacity, and this multi-channel combiner comprises SMA flange a2, semi-rigid cable a3, cross core assembly 5, semi-rigid cable b6, SMA flange b7, semi-rigid cable c8 and SMA flange c9, peripheral equipment includes filter case 1 and TNC socket 4, TNC socket 4 is installed on filter case 1;
如附图2和附图3所示,其中十字芯组件5实现三个滤波器通道合路,它包括介质套a11、十字芯12、SMA法兰d13、十字接头a14、介质套b和十字接头b;As shown in Figure 2 and Figure 3, the cross core assembly 5 realizes the combination of three filter channels, which includes a dielectric sleeve a11, a cross core 12, an SMA flange d13, a cross joint a14, a dielectric sleeve b and a cross joint b;
介质套a11和介质套b为十字形半圆柱体,两个介质套的中心沿轴向和径向加工有半圆形凹槽,并形成十字槽。The dielectric sleeve a11 and the dielectric sleeve b are cross-shaped semi-cylindrical bodies, and the centers of the two dielectric sleeves are machined with semicircular grooves along the axial and radial directions to form cross grooves.
如附图4所示,十字芯12为十字形圆柱体且四端沿轴向加工有凹槽。As shown in FIG. 4 , the cross core 12 is a cross-shaped cylinder with grooves processed in the axial direction at four ends.
如附图5所示,十字接头a14和十字接头b均为长方体,且长方体的底面向外延伸形成安装台,十字接头a14和十字接头b的一个表面中心开有半圆形的十字槽;As shown in Figure 5, both the cross joint a14 and the cross joint b are cuboids, and the bottom surface of the cuboid extends outward to form a mounting platform, and a semicircular cross groove is opened in the center of one surface of the cross joint a14 and the cross joint b;
十字芯组件5的安装关系:介质套a11和介质套b对扣在十字芯12的外侧,将十字芯12固定在两者的十字槽内,十字接头a14和十字接头b对扣在介质套a11和介质套b的外侧,也将介质套a11和介质套b固定在十字接头a14和十字接头b的十字槽内,并通过SMA法兰d13将十字接头a14和十字接头b固定。The installation relationship of the cross core assembly 5: the medium cover a11 and the medium cover b are buckled on the outside of the cross core 12, the cross core 12 is fixed in the cross groove of the two, the cross joint a14 and the cross joint b are buckled on the medium sleeve a11 And the outer side of the medium cover b, also fix the medium cover a11 and the medium cover b in the cross groove of the cross joint a14 and the cross joint b, and fix the cross joint a14 and the cross joint b through the SMA flange d13.
整体安装关系:十字芯组件5通过十字接头a14和十字接头b底面的安装台固定在滤波器机壳1的混合腔中心,十字芯组件5的顶部与TNC插座4连接,滤波器机壳1的混合腔内有三个通道分别为a、b、c,半刚性电缆a3的一端通过SMA法兰a2固定在通道a的出口上,另一端固定在十字芯12的一个凹槽内,半刚性电缆b6的一端通过SMA法兰b7固定在通道b的出口上,另一端也固定在十字芯12的一个凹槽内,半刚性电缆c8的一端通过SMA法兰c9固定在通道c的出口上,另一端固定在十字芯12的凹槽内,TNC插座4的内导体也固定在十字芯12的凹槽内。The overall installation relationship: the cross core assembly 5 is fixed in the center of the mixing chamber of the filter case 1 through the mounting table on the bottom surface of the cross joint a14 and the cross joint b, the top of the cross core assembly 5 is connected to the TNC socket 4, and the filter case 1 There are three channels in the mixing chamber, a, b, and c. One end of the semi-rigid cable a3 is fixed on the outlet of the channel a through the SMA flange a2, and the other end is fixed in a groove of the cross core 12. The semi-rigid cable b6 One end of the cable c8 is fixed on the outlet of the channel b through the SMA flange b7, and the other end is also fixed in a groove of the cross core 12. One end of the semi-rigid cable c8 is fixed on the outlet of the channel c through the SMA flange c9, and the other end Fixed in the groove of the cross core 12, the inner conductor of the TNC socket 4 is also fixed in the groove of the cross core 12.
十字芯组件5的介质套a11和介质套b为低损耗聚四氟乙烯介质,信号分别从三根半刚性电缆的一端进入十字芯组件5内,通过十字芯组件5合成一路并从TNC插座4导出。The dielectric sleeve a11 and dielectric sleeve b of the cross core assembly 5 are low-loss polytetrafluoroethylene dielectrics. The signals enter the cross core assembly 5 from one end of the three semi-rigid cables respectively, and are synthesized into one channel through the cross core assembly 5 and exported from the TNC socket 4. .
本发明已经通过了5W连续波低气压放电试验考核,并且已在多个型号的输出多工器上成功应用,通过了飞行验证,在轨工作正常,即采用该合路器使低气压功率容量从1W提高至5W。The invention has passed the 5W continuous wave low-pressure discharge test assessment, and has been successfully applied to multiple types of output multiplexers, passed the flight verification, and works normally on orbit, that is, the use of the combiner makes the low-pressure power capacity Increased from 1W to 5W.
综上所述,以上仅为本发明的较佳实施例而已,并非用于限定本发明的保护范围。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。To sum up, the above are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
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CN102709660A (en) * | 2012-05-14 | 2012-10-03 | 山东国威卫星通信有限公司 | Three-port waveguide power divider with adjustable power division |
CN202871943U (en) * | 2012-10-29 | 2013-04-10 | 南京长峰航天电子科技有限公司 | Tetra-microwave signal switch matrix combining module |
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CN201638920U (en) * | 2009-09-30 | 2010-11-17 | 华南理工大学 | Ka-waveband multi-path waveguide spatial power synthesis amplifier |
CN201667382U (en) * | 2010-03-25 | 2010-12-08 | 上海新杰芯微波技术有限公司 | Four-way synthesizer for spatial power synthesis in Ku-wave-band waveguide |
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CN102709660A (en) * | 2012-05-14 | 2012-10-03 | 山东国威卫星通信有限公司 | Three-port waveguide power divider with adjustable power division |
CN202871943U (en) * | 2012-10-29 | 2013-04-10 | 南京长峰航天电子科技有限公司 | Tetra-microwave signal switch matrix combining module |
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