CN102637947A - Lightning-protection reflection type high-strength dual-waveband directional antenna - Google Patents

Lightning-protection reflection type high-strength dual-waveband directional antenna Download PDF

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CN102637947A
CN102637947A CN2012101326663A CN201210132666A CN102637947A CN 102637947 A CN102637947 A CN 102637947A CN 2012101326663 A CN2012101326663 A CN 2012101326663A CN 201210132666 A CN201210132666 A CN 201210132666A CN 102637947 A CN102637947 A CN 102637947A
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metal
lightning
transducer
metallic
radiating elements
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CN2012101326663A
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CN102637947B (en
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夏继钢
曹振新
沙本桂
王安宁
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东南大学
中国人民解放军总装备部南京军事代表局
中电科技扬州宝军电子有限公司
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Abstract

The invention relates to a lightning-protection reflection type high-strength dual-waveband directional antenna. The lightning-protection reflection type high-strength dual-waveband directional antenna comprises a metallic reflection cavity, wherein microstrip plates are arranged in the metallic reflection cavity; a multiplexer is arranged on the microstrip plates; a coaxial cable is connected onto a main circuit of the multiplexer; a first radiation oscillator and a second radiation oscillator are respectively connected onto a first branch and a second branch of the multiplexer; a solid antenna housing covers on the first radiation oscillator and the second radiation oscillator; the solid antenna housing is provided with a lightning-protection reflection oscillator; the lightning-protection reflection oscillator is located at the same side of the first radiation oscillator and the second radiation oscillator; the first radiation oscillator and the second radiation oscillator adopt hollow sail-shaped unipolar metal oscillators; the hollow sail-shaped unipolar metal oscillators consist of first metallic straight strips, second metallic straight strips and arc-shaped metallic strips; the first metallic straight strips, the second metallic straight strips and the arc-shaped metallic strips are connected with one another in an end-to-end manner; angles formed by the first metallic straight strips, the second metallic straight strips and the arc-shaped metallic strips are acute angles; and metal blocks are arranged or directly welded on the hollow sail-shaped unipolar metal oscillators so as to form an inner-and-outer embattlement type structure.

Description

避雷反射式高强度双波段定向天线 Lightning reflection high-strength dual-band directional antenna

技术领域 FIELD

[0001] 本发明涉及一种适于飞行载体的内外城垛式避雷反射式高强度双波段定向天线,其典型工作频段为P波段和L波段,垂直极化工作,具有增益高、驻波小、效率高、双波段工作,主要应用于各种不同的飞行载体身份的识别系统、通讯系统等。 [0001] The present invention relates to internal and external lightning battlements reflective type high strength suitable for the flight of the dual band directional antenna carrier, which is the typical operating frequency P and L-band, vertical polarization work, having a high gain, low VSWR, high efficiency, dual-band operation, mainly used in all kinds of different flight carriers identity recognition systems, communication systems.

背景技术 Background technique

[0002]目前,民航系统中都安装了便于空中交通管制的识别系统;欧美发达国家的各式军用战机中都装备了基于西方体制的敌我识别系统,其主要工作波段为L波段;俄罗斯等国家的各式军用战机中则装备了基于东方体制的敌我识别系统,其主要工作波段为P波段;而还有一些工作的战机中则同时安装了基于西方体制和东方体制的敌我识别系统,显然其工作波段同时包含了L波段和P波段,并且要求两个波段接口兼容。 [0002] At present, the civil aviation system are easy to identify the air traffic control system is installed; all kinds of military aircraft in American and European countries are equipped with IFF system based on Western institutions, whose main job is the L band; Russia and other countries in all kinds of military aircraft is equipped with IFF system based on the East, the main operating band for the P-band; and there are few fighters in the work of the IFF system installed Western and Oriental institutional system based, it is clear that working band contains the P-band and L-band, two bands and requires compatible interfaces. 这些系统属于无线通信装备,天线属于关键设备之一。 These systems belonging to the wireless communication equipment, antennas belonging to one of the key equipment.

[0003] 此外,应用于这些系统的天线一般安装于飞机蒙皮的表面。 [0003] In addition, these systems typically applied to an antenna mounted on the surface of the aircraft skin. 当然飞弹也有通信控制系统,也需要配置天线才能工作。 Of course, there are missiles communication control system, also need to configure the antenna to work. 对于这类高速飞行载体,对天线都有相似的要求,即天线要求结构强度好、耐高低温、尺寸小、电性能好等。 Such vectors for high-speed flight, have similar requirements for the antenna, i.e. the antenna requires structural strength, high temperature resistance, small size, good electrical properties and the like.

[0004] 现有的天线要么只能工作于西方体制系统,要么只能工作于东方体制系统,而没有同时能够兼容两种体制的天线系统,且该种天线的天线罩不是采用模具浇铸成形,该种天线的缺点是结构强度低、尺寸大、带宽窄、增益较低,只能工作于一个波段。 [0004] The conventional antenna system or systems only work in the West, East or system can only work in the system, without also compatible antenna system of the two systems, and the types of antenna radome instead of using a mold cast molding, a disadvantage of this kind of antenna is low structural strength, large size, narrow bandwidth, low gain, only work in a band.

发明内容 SUMMARY

[0005] 本发明提供一种能够改善天线的带宽并能显著强化天线整体结构强度的飞行载体用避雷反射式高强度双波段定向天线。 [0005] The present invention provides an improved bandwidth of the antenna and is capable of significantly strengthening the structural strength of the entire antenna carrier flight dual band directional antenna with a high strength lightning reflective.

[0006] 本发明采用如下技术方案: [0006] The present invention adopts the following technical solution:

一种避雷反射式高强度双波段定向天线,包括:金属反射腔,在金属反射腔内设有微带板,在微带板上设有多工器,在多工器的主路上连接有同轴电缆,在多工器的第一支路及第二支路上分别连接有第一辐射振子及第二辐射振子,在第一辐射振子及第二辐射振子上包覆有实心天线罩,在实心天线罩还设有避雷反射振子,并且,避雷反射振子位于第一辐射振子及第二辐射振子的同侧,避雷反射振子与第一辐射振子相邻且避雷反射振子高于第一辐射振子,第一辐射振子高于第二辐射振子,所述避雷反射振子的下端设在金属反射腔上,避雷反射振子的上端延伸至实心天线罩的顶部,所述的第一辐射振子及第二辐射振子采用空心帆形单极金属振子,所述空心帆形单极金属振子由第一金属直条、第二金属直条及弧形金属条组成,第一金属直条、第二金属直条 Lightning one kind of high-strength dual-band reflective directional antenna, comprising: a metal reflective cavity, the cavity of the metal reflection plate is provided with a microstrip, the microstrip board is provided at the multiplexer, the multiplexer is connected to the main road with the same coaxial cable, in the first branch and the second branch are connected to a first multiplexer radiating elements and the second radiating elements, the radiating elements on the first and second radiating elements are coated with a solid radome, the solid the radome is also a lightning reflection transducer, and lightning reflection transducers on the same side of the first radiating elements and the second radiation transducer, lightning reflection transducer first radiating elements are adjacent and lightning reflection transducer above the first radiating elements, the first a radiation transducer above the second radiating elements, said lightning top lower reflection transducer disposed on the metal reflective cavity, an upper end of the lightning reflection transducers extending to the solid radome, a first radiating elements of said and second radiating elements employed hollow metal monopole transducer sail, said sail hollow metal monopole transducers straight first metal, a second metal straight and curved strips of metal, the first metal straight, the second straight metal 弧形金属条首尾相接,并且,第一金属直条、第二金属直条及弧形金属条形成的三个角为锐角,在空心帆形单极金属振子设置或直接焊接金属块,形成内外城垛式结构。 Arcuate metal strip end to end, and the three straight angle of the first metal, a second metal straight and arcuate metal strip is formed as an acute angle, or direct welding metal block disposed in the hollow metal sail monopole transducer, formed battlements and external structure.

[0007] 与现有技术相比,本发明具有如下优点: [0007] Compared with the prior art, the present invention has the following advantages:

(I)本发明中天线辐射部分由两个空心帆形单极金属振子构成,这种天线辐射结构不仅可以改善天线的带宽,双波段工作,同时也显著加强了天线整体结构强度。 (I) of the present invention, the antenna radiation portion is constituted by two hollow metal sail monopole transducers, such an antenna radiating structure not only can improve the bandwidth of the antenna, in both bands, but also significantly enhance the overall structural strength of the antenna.

[0008] (2)采用金属反射腔并在金属反射腔上设置阶梯形通孔且阶梯形通孔中的大孔位于金属反射腔的内侧,所述实心天线罩延伸进入并充实于阶梯形通孔中,换句话说,在本制备发明时,该结构能使高温实心天线罩介质流体直接流动到金属反射腔的下平面,最大程度的保证天线罩、辐射振子和金属反射腔的牢固结合,使得本发明的整体强度得以提高。 [0008] (2) using a metal reflective cavity and a stepped through-hole provided on the metal reflecting cavity and a stepped through hole is positioned inside the large hole in the metal reflective cavity, said solid into the radome and extends in a stepped through-enriched holes, in other words, at the time of preparation of the present invention, the high-temperature solid radome structure enables fluid flow directly to the medium plane of the metal reflective cavity, the maximum degree of assurance firm radome, radiating elements and the metal reflection binding cavity, so that the overall strength of the present invention is improved.

[0009] 实心天线罩利用模具采用高温高压浇铸成型工艺,其材质采用具有高强度、温度特性好的介质材料,保证该天线罩具备高强度、耐高温和低温;同时,有利于缩小天线的整体尺寸。 [0009] Solid radome using high temperature and pressure using a mold cast molding process, the material having a high strength, good temperature characteristics of dielectric material, to ensure that the radome with high strength, high temperature and low temperature; the same time, is conducive to reduce the overall antenna size.

[0010] (3)采用微带板设计了具有带内差损小、隔离度高的多工器,安全于金属腔的内侦牝使得两个支路和一个主路都具有很好的驻波特性。 [0010] (3) Design of microstrip plate having a difference in band loss, high isolation multiplexer, within the security investigation female metal cavity such that the two branches of a main road and have good in WAVE.

[0011] (4)在空心帆形单极金属振子设置或直接焊接金属块,形成内外城垛式结构,这种结构与未设置金属块的本发明的其他技术方案相比,能够进一步提高天线的整体强度和拓展天线工作带宽。 [0011] (4) disposed in the hollow metal sail monopole transducers or directly welded metal blocks, are formed inside and outside the battlements structure, this structure is not provided as compared with the metal block other aspect of the present invention, the antenna can be further improved the overall strength and work to expand the bandwidth of the antenna.

[0012] (5)由于避雷反射振子被设置为天线的最高端且为金属材质(通常为铜或铝合金),下端连接于金属反射腔,从而避雷反射振子具有避雷功能。 [0012] (5) Since the reflective Lightning antenna element is provided to the top end and made of metal (typically copper or aluminum), a metal lower end connected to the reflective cavity, thereby reflecting transducer having lightning arrester functions. 由于避雷反射振子位于第一辐射振子及第二辐射振子的同侧且与高于第二辐射振子的第一辐射振子相邻,从而避雷反射振子增强了第一辐射振子及第二辐射振子的方向性,参照图13和图15,分别对应P波段和L波段工作频段;同时给出了未设有避雷反射振子的天线方向图,参照图12和图14,分别对应P波段和L波段工作频段,两相比较,增加了避雷反射振子之后天线的方向性显著增强,增益显著提高。 Since lightning reflection transducers on the same side of the first and second radiating elements radiating elements and is adjacent to the first sub-radiating element above the second radiating elements so as to enhance the lightning protection reflected a first transducer and the second radiating elements radiating elements direction resistance, with reference to FIGS. 13 and 15, respectively, corresponding to P and L-band operating frequency bands; also given antenna pattern is not provided with the reflection transducer lightning, with reference to FIGS. 12 and 14, respectively, corresponding to P and L-band operating band after comparing the two, increase the reflection transducer lightning significantly enhanced antenna directivity, gain significantly improved. 此外,随着实心天线罩内避雷反射振子的增设,天线的整体结构强度得以增强。 Further, as the addition of solid radome lightning reflection transducer, the overall structural strength of the antenna is enhanced.

附图说明 BRIEF DESCRIPTION

[0013] 在结合附图阅读描述后,本发明的上述目的、其它特征和优点都会更明显,其中: 图I是本发明结构图的前视图。 [0013] After reading the description in conjunction with the accompanying drawings, the above-described object of the present invention, other features and advantages will be more apparent, wherein: Figure I is a front view of the structure of the present invention of FIG.

[0014] 图2是本发明结构图的侧视图。 [0014] FIG. 2 is a side structural view of the present invention.

[0015] 图3是本发明结构图的俯视图。 [0015] FIG. 3 is a plan view of the structure of the present invention FIG.

[0016] 图4是本发明结构图中的多工器示意图。 [0016] FIG. 4 is a schematic configuration diagram of the multiplexer of the present invention.

[0017] 图5是本发明中多工器主路驻波图。 [0017] FIG 5 is a main road of the present invention, the multiplexer standing wave pattern.

[0018] 图6是本发明中多工器第一支路驻波图。 [0018] FIG. 6 is a multiplexer according to the present invention, a first leg standing wave pattern.

[0019] 图7是本发明中多工器第二支路驻波图。 [0019] FIG. 7 is a multiplexer according to the present invention, the second branch of the standing wave of FIG.

[0020] 图8是本发明第一辐射振子的驻波图。 [0020] FIG. 8 is a first radiating elements of the present invention is a standing wave pattern.

[0021] 图9是普通的与第一辐射振子等长度的圆柱形单极子天线的驻波图。 [0021] FIG. 9 is a view of a general standing wave resonator or the like of the first cylindrical radiating monopole length.

[0022] 图10是本发明第二辐射振子的驻波图。 [0022] FIG. 10 is a second radiating elements of the present invention is a standing wave pattern.

[0023] 图11是普通的与第二辐射振子等长度的圆柱形单极子天线的驻波图。 [0023] FIG. 11 is a standing wave pattern of the second conventional oscillator radiation and other cylindrical monopole length.

[0024] 图12是未加避雷反射振子时P波段天线的辐射方向图。 [0024] FIG. 12 is not added lightning vibrator reflected radiation pattern P-band antenna.

[0025] 图13是本发明P波段天线的辐射方向图。 [0025] FIG. 13 is a P-wave radiation pattern of the antenna of the present invention.

[0026] 图14是未加避雷反射振子时L波段天线的辐射方向图。 [0026] FIG. 14 is not added lightning vibrator reflected L-band radiation pattern antenna.

[0027] 图15是本发明天线L波段的辐射方向图。 [0027] FIG. 15 is a radiation pattern of the L-band antenna of the present invention. 、具体实施方式 ,Detailed ways

[0028] 一种避雷反射式高强度双波段定向天线,包括:金属反射腔8,在金属反射腔8内设有微带板6,在微带板6上设有多工器11,在多工器11的主路11-3上连接有同轴电缆9,在多工器11的第一支路11-1及第二支路11-2上分别连接有第一辐射振子2及第二辐射振子3,在第一福射振子2及第二福射振子3上包覆有实心天线罩1,在实心天线罩I还设有避雷反射振子13,并且,避雷反射振子13位于第一辐射振子2及第二辐射振子3的同侧,避雷反射振子13与第一辐射振子2相邻且避雷反射振子13高于第一辐射振子2,第一辐射振子2高于第二辐射振子3,所述避雷反射振子13的下端设在金属反射腔8上,避雷反射振子13的上端延伸至实心天线罩I的顶部,所述的第一辐射振子2及第二辐射振子3采用空心帆形单极金属振子,所述空心帆形单极金属振子由第一金属直条、第二金属直条及弧形 [0028] A reflection-type lightning high strength dual-band directional antenna, comprising: a metal reflective cavity 8, the metal plate 6 has a microstrip reflective cavity 8 features, the multiplexer 11 is provided on a microstrip board 6, in a multi- 9 is connected to the coaxial cable on the main road workers 11-311 are respectively connected to a first and a second radiating elements 2 and the multiplexer 11 on the first leg of the second leg 11-2 11-1 radiating elements 3, a first Fu exit oscillator 2 and the first radiation at a second Four emitting transducer 3 is coated with a solid radome 1, cover solid antenna I is also a lightning reflection transducer 13, and the lightning reflection transducer 13 is located 2 and the second transducer radiating elements 3 on the same side of the transducer 13 and the reflector lightning first radiating oscillator 2 and adjacent to the transducer 13 lightning reflected radiation is higher than the first oscillator 2, the first sub-radiating element 2 above the second radiating elements 3, the lightning reflection transducer lower end 13 is provided on the metal reflecting cavity 8, lightning reflection transducer upper end 13 extends to a solid radome top I, the first radiating elements 2 and the second radiating elements 3 using hollow sail single vibrator source metal, said metal hollow sail monopole transducers straight first metal, a second metal straight and arcuate 属条组成,第一金属直条、第二金属直条及弧形金属条首尾相接,并且,第一金属直条、第二金属直条及弧形金属条形成的三个角为锐角。 Strips of metal, the first metal straight, curved and straight metal second metal strips connected end to end, and the first metal straight, three straight and angle of the second metal formed arcuate metal strip is acute. 在本实施例中, In the present embodiment,

在空心帆形单极金属振子设有金属块12,所述金属块12的形状不限,可以是矩形、正方形或者三角形等结构;在金属反射腔8设有阶梯形通孔4且阶梯形通孔中的大孔位于金属反射腔8的内侧,所述实心天线罩I延伸进入并充实于阶梯形通孔4中,阶梯形通孔4的形状和数量不限,可以是单个或者多个矩形、椭圆形等形状的阶梯形通孔。 Hollow metal sail monopole transducer is provided with metal block 12, the shape of the metal block 12 is not limited, and may be rectangular, square, triangular or the like structure; a reflective metal cavity 8 is provided with a stepped through hole and a stepped through-4 holes macropores positioned inside the metal reflection chamber 8, the solid radome extends into and I enriched in the stepped through-holes 4, the shape and number of stepped through-hole 4 is not limited, may be a single or a plurality of rectangular , the shape of the stepped through hole ellipse.

[0029] 本发明可以采用以下制备工艺来制造本发明的一种适于飞行载体的避雷反射式高强度双波段定向天线,具体步骤如下:首先根据实心天线罩和天线反射地结构开设模具,把天线反射地、一对天线辐射振子放置于模具中,同时在模具上通过小孔注入流体状实心天线罩介质材料,材料注满整个模具后,进行冷却,最后去除模具即得到一体化天线。 [0029] The present invention can be manufactured using the following preparation process of the present invention reflection type lightning flight carrier suitable for high-strength dual-band directional antenna, the following steps: First, the mold opened and the antenna radome according solid reflective fabric, the antenna reflector, a pair of antenna radiating elements placed in the mold, fluid-like radome solid dielectric material is injected simultaneously through small holes on the mold, the material filled the entire mold, cooled, and finally removing the mold to obtain an integrated antenna.

[0030] [0030]

下面参照附图,对本发明的一个优选实施例的进行更为详细的说明。 Examples below more detailed description of a preferred embodiment of the present invention with reference to the accompanying drawings.

[0031] 该实施例是一种用于基于东方体制和西方体制的敌我识别识别系统等设备的天线,其工作在两个波段,分别为P波段的580MHz-620MHz和L波段的980MHz_1060MHz,增益分别大于5dB和6dB,采用的结构如图I所示, [0031] This embodiment is an embodiment based on the antenna device for the East and West System System IFF identification system, which works in two bands, respectively 980MHz_1060MHz 580MHz-620MHz, and the P-band L-band, gain, respectively and 6dB greater than 5dB, employs a configuration shown in FIG. I,

即以空心帆形单极金属振子构成辐射振子,金属反射腔8上具有两个椭圆透孔构成,实心天线罩I采用高强度塑料材料构成,多工器11由微带板构成,多工器11的两个支路分别为端口11-1和端口11-2,多工器11的主路为端口11-3并作为天线外接端口。 I.e. a hollow metal sail monopole radiating elements constituting the transducer, the metal reflective cavity having two oval through holes 8 on the configuration, the solid I radome made of high strength plastic material, constituted by a microstrip plate multiplexer 11, multiplexer two branches 11 are ports 11-2 and 11-1 to the port, the main road to the port multiplexer 11 as an antenna and the external port 11-3. 该天线中多工器的主路11-3驻波如图5所示,该图表明天线主路的工作在双波段,驻波小于2的频带部分包括了P波段的560MHz-640MHz和L波段的960MHz_1080MHz,完全满足设计要求;该多工器的第一支路11-1驻波如图6所示,该图表明支路工作在单波段,驻波小于2的频带部分包括了P波段的560MHz-620MHz,完全满足设计要求;该多工器的第二支路11-2驻波如图7所示,该图表明该支路工作在单波段,驻波小于2的频带部分包括了L波段的960MHz-1080MHz,完全满足设计要求;第一辐射振子的驻波如图8所示,该图表明驻波小于2的频段部分包括了P波段的530MHz-650MHz,而普通等长度的圆柱形单极子天线的驻波如图9所示,两者相比,本发明中的第一辐射振子的驻波带宽要宽,并且驻波更小;第二辐射振子的驻波如图10所示,该图表明驻波小于2的频段部分包括了L波段的900MHz-1260MHz,而普通等 The main road antenna multiplexer 11-3 standing waves shown in Figure 5, this figure shows the band portion 2 comprises a P 560MHz-640MHz band and L-band operation of the antenna main road in a dual-band, VSWR less than the 960MHz_1080MHz, meets the design requirements; the first branch 11-1 standing wave multiplexer shown in FIG. 6, which shows that in a single working leg band VSWR less than the band part 2 comprises a P-band 560MHz-620MHz, meets the design requirements; the second branch multiplexer 11-2 standing waves shown in Figure 7, the figure shows a single band at the bypass work, VSWR less than the band part 2 comprises L band 960MHz-1080MHz, meets the design requirements; a first standing wave radiating elements shown in Figure 8, the graph shows that VSWR less than the band part 2 comprises a band 530MHz-650MHz P, while the average length of the other cylindrical standing wave monopole 9, comparing the two first radiating elements of the present invention to a wide bandwidth of the standing wave, the standing wave and less; 10 second standing wave radiating elements in FIG. shown, the figure shows VSWR less than the band part 2 comprises a L-band 900MHz-1260MHz, and other general 长度的圆柱形单极子天线的驻波如图11所示,两者相比,本发明中的辐射振子的驻波带宽要宽,并且驻波更小。 Cylindrical standing wave monopole length as shown in FIG. 11, comparing the two, the radiating elements of the present invention to a wide bandwidth of the standing wave and standing wave smaller.

[0032] 由于避雷反射振子位于第一辐射振子及第二辐射振子的同侧且与高于第二辐射振子的第一辐射振子相邻,从而避雷反射振子增强了第一辐射振子及第二辐射振子的方向性,参照图13和图15,分别对应P波段和L波段工作频段,最高增益分别为5. 84dB和6. 98dB ;同时给出了未设有避雷反射振子的天线方向图,参照图12和图14,分别对应P波段和L波段工作频段,最高增益分别为4. 60dB和4. 71dB,两相比较,增加了避雷反射振子之后天线的方向性显著增强,增益显著提高。 [0032] Because lightning reflection transducers on the same side of the first and second radiating elements radiating elements of the first and second radiating elements than an adjacent radiating elements, thereby enhancing the lightning reflection transducer and the second transducer first radiating radiation directional vibrator, 13 and 15, respectively, corresponding to P and L-band operating frequency bands, respectively, the highest gain 5. 84dB and 6. 98dB; also given antenna pattern is not provided with the reflection transducer lightning, with reference to Figures 12 and 14, respectively, corresponding to P and L-band operating frequency bands, respectively, the highest gain and 4. 60dB 4. 71dB, compared to two, increasing the lightning transducer after reflection significantly enhanced antenna directivity, gain significantly improved. 对应第一辐射振子的辐射方向图如图13所示,对应第二辐射振子的辐射方向图如图15所示(参考反射地的直径为60cm)。 Corresponds to the first radiation pattern radiating elements shown in Figure 13, corresponding to the radiation direction of the second radiating elements is shown in Figure 15 (the diameter of the reference reflector is 60cm).

[0033] 尽管本发明已经参照附图和优选实施例进行了说明,但是,对于本领域的技术人员来说,本发明可以有各种更改和变化。 [0033] While the invention has been described with reference to preferred embodiments and the accompanying drawings, however, to those skilled in the art, the present invention may have various changes and variations. 本发明的各种更改、变化,和等同物有所附的权利要求书的内容涵盖。 Book the invention for various modifications, variations, and equivalents of the appended claims have covers. ,

Claims (3)

1. 一种避雷反射式高强度双波段定向天线,其特征在于,包括:金属反射腔(8),在金属反射腔(8)内设有微带板(6),在微带板(6)上设有多工器(11),在多工器(11)的主路(11-3)上连接有同轴电缆(9),在多工器(11)的第一支路(11-1)及第二支路(11-2)上分别连接有第一辐射振子(2)及第二辐射振子(3),在第一辐射振子(2)及第二辐射振子(3)上包覆有实心天线罩(I ),在实心天线罩(I)还设有避雷反射振子(13),并且,避雷反射振子(13)位于第一辐射振子(2)及第二辐射振子(3)的同侧,避雷反射振子(13)与第一辐射振子(2)相邻且避雷反射振子(13)高于第一辐射振子(2),第一辐射振子(2)高于第二辐射振子(3),所述避雷反射振子(13)的下端设在金属反射腔(8)上,避雷反射振子(13)的上端延伸至实心天线罩(I)的顶部,所述的第一辐射振子(2)及第 A lightning reflective high strength dual-band directional antenna, characterized by comprising: a metal reflective cavity (8), a metal reflective cavity (8) is provided with a microstrip plate (6), the microstrip board (6 provided the multiplexer (11)), is connected to a coaxial cable (9) in the multiplexer (11) on the main road (11-3), the multiplexer (11) of the first branch (11 -1) and a second branch (11-2) are respectively connected to the first radiating elements (2) and the second radiating elements (3), on the first radiating elements (2) and the second radiating elements (3) coated with a solid radome (I), the solid radome (I) is also provided with lightning reflection transducer (13), and the lightning reflection transducer (13) located between the first radiating elements (2) and the second radiating elements (3 ) ipsilateral, lightning reflection transducer (13) and the first sub-radiating element (2) adjacent to the transducer and the reflector lightning (13) above the first radiating elements (2), the first sub-radiating element (2) is higher than the second radiation first radiating lower oscillator (3), the lightning reflection transducer (13) provided on the metal reflecting cavity (8), the upper end of the lightning reflection transducer (13) extends to the top of the solid radome (I), said the transducer (2) and 辐射振子(3)采用空心帆形单极金属振子,所述空心帆形单极金属振子由第一金属直条、第二金属直条及弧形金属条组成,第一金属直条、第二金属直条及弧形金属条首尾相接,并且,第一金属直条、第二金属直条及弧形金属条形成的三个角为锐角。 Radiation oscillator (3) the use of hollow metal monopole transducer sail, said sail hollow metal monopole transducers straight first metal, a second metal straight and curved strips of metal, metal straight first, second metal straight and arcuate metal strip end to end, and the first straight metal strip, and a second straight metal strip formed of three arcuate metal acute angle.
2.根据权利要求I所述的避雷反射式高强度双波段定向天线,其特征在于,在空心帆形单极金属振子设有金属块(12)。 The lightning high reflective intensity I dual band directional antenna according to claim, characterized in that the hollow metal sail monopole transducer is provided with metal block (12).
3.根据权利要求I所述的避雷反射式高强度双波段定向天线,其特征在于,在金属反射腔(8)设有阶梯形通孔(4)且阶梯形通孔中的大孔位于金属反射腔(8)的内侧,所述实心天线罩(I)延伸进入并充实于阶梯形通孔(4)中。 The lightning high reflective intensity I dual band directional antenna according to claim, characterized in that a stepped through hole (4) in a metal reflective cavity (8) and the stepped through hole macropores positioned at the metal inside the reflective cavity (8), the solid radome (I) and extends into the stepped through hole enriched in (4).
CN 201210132666 2012-04-28 2012-04-28 Lightning-protection reflection type high-strength dual-waveband directional antenna CN102637947B (en)

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