CN203434283U - Opening rectangular ring coplanar type ultra wide band microstrip antenna - Google Patents
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Abstract
Description
技术领域technical field
本实用新型涉及天线,尤其涉及一种开口矩形环共面式超宽带微带天线。The utility model relates to an antenna, in particular to an open rectangular ring coplanar ultra-wideband microstrip antenna.
背景技术Background technique
随着无线通信技术的应用和发展,频谱成为一种非常重要和稀缺的资源。从厘米波段到毫米波段,很多频段已经被开发并用于各种电视系统、无线通信和侦查系统。由于工作在不同频带的无线移动通信系统的增加,在一栋建筑内需要安装多个天线来接收不同的无线移动通信系统的信号。而天线数量的增加将产生一系列的问题,如:增加生产成本、增大室内基站的容量和电磁兼容问题等。所以,将不同的通信网络整合到一个系统里使用数量较少的宽带或超宽带天线逐渐成为一种趋势。With the application and development of wireless communication technology, spectrum becomes a very important and scarce resource. From the centimeter wave band to the millimeter wave band, many frequency bands have been developed and used in various television systems, wireless communication and surveillance systems. Due to the increase of wireless mobile communication systems operating in different frequency bands, multiple antennas need to be installed in a building to receive signals of different wireless mobile communication systems. The increase in the number of antennas will cause a series of problems, such as: increasing production costs, increasing the capacity of indoor base stations, and electromagnetic compatibility issues. Therefore, it has gradually become a trend to integrate different communication networks into one system using a small number of broadband or ultra-wideband antennas.
微带天线有体积小、便于布阵、平面结构、便于集成、便于与载体共形等诸多优势,因此如何研制出小型化、平面结构、低成本、高性能的超宽带微带天线,也成为了国内外科研工作者重点的研究方向。超宽带天线所应用的频段范围包含了WiMAX和WLAN等几种其它系统所在的频段,为解决这几种不同系统之间出现的互扰的问题,近几年出现了多种不同结构的能够实现带阻特性的小型平面超宽带微带天线,这些民用领域里具有巨大应用价值的超宽带微带天线都是超宽带研究领域的重要研究课题。Microstrip antennas have many advantages such as small size, easy array arrangement, planar structure, easy integration, and conformal with the carrier. Therefore, how to develop a miniaturized, planar structure, low cost, and high-performance ultra-wideband microstrip antenna has become The key research direction of domestic and foreign scientific researchers. The frequency bands used by ultra-wideband antennas include the frequency bands of several other systems such as WiMAX and WLAN. In order to solve the problem of mutual interference between these different systems, a variety of different structures have emerged in recent years. Small planar ultra-wideband microstrip antennas with band-rejection characteristics, and these ultra-wideband microstrip antennas with great application value in civilian fields are important research topics in the field of ultra-wideband research.
发明内容Contents of the invention
本实用新型为了克服现有技术在无线局域网中损耗大,增益低的不足,提供一种开口矩形环共面式超宽带微带天线。In order to overcome the disadvantages of large loss and low gain in the wireless local area network in the prior art, the utility model provides an open rectangular ring coplanar ultra-wideband microstrip antenna.
为了达到上述目的,本实用新型的技术方案如下:In order to achieve the above object, the technical scheme of the utility model is as follows:
开口矩形环共面式超宽带微带天线包括基板,带缺口矩形环贴片,L形贴片,阻抗匹配输入传输线,矩形贴片,带缺口环形矩形接地板;基板的上表面设有带缺口矩形环贴片、L形贴片、阻抗匹配输入传输线、矩形贴片、带缺口环形矩形接地板,L形贴片的左端与带缺口矩形环贴片的右侧连接,带缺口矩形环贴片的底端与阻抗匹配输入传输线的顶端连接,阻抗匹配输入传输线的底端与基板的底端连接,带缺口环形矩形接地板的底端与基板的底端连接。The open rectangular ring coplanar ultra-wideband microstrip antenna includes a substrate, a rectangular ring patch with a notch, an L-shaped patch, an impedance matching input transmission line, a rectangular patch, and a circular rectangular ground plate with a notch; the upper surface of the substrate is provided with a notch Rectangular ring patch, L-shaped patch, impedance matching input transmission line, rectangular patch, notched circular rectangular ground plane, the left end of the L-shaped patch is connected to the right side of the notched rectangular ring patch, and the notched rectangular ring patch The bottom end of the impedance matching input transmission line is connected to the top end of the impedance matching input transmission line, the bottom end of the impedance matching input transmission line is connected to the bottom end of the substrate, and the bottom end of the notched annular rectangular ground plate is connected to the bottom end of the substrate.
所述的基板为玻璃纤维环氧树脂材料,基板的长度为40mm~45mm,宽度为40mm~45mm。所述的带缺口矩形环贴片的总长度为10mm~12mm,总宽度为10mm~12mm,贴片宽度为2mm~3mm,右侧缺口长度为1mm~2mm。所述的L形贴片的总长度为5mm~10mm,总宽度为4mm~8mm,贴片宽度为2mm~3mm。所述的阻抗匹配输入传输线的长度为6mm~10mm,宽度为2mm~4mm。所述的矩形贴片的长度为8mm~12mm,宽度为2mm~3mm。所述的带缺口环形矩形接地板由一个矩形环底边开一个矩形缺口组成,矩形环的总长度为40mm~45mm,总宽度为40mm~45mm,贴片宽度为5mm~7mm,缺口宽度为4mm~6mm。The substrate is made of glass fiber epoxy resin material, the length of the substrate is 40mm-45mm, and the width is 40mm-45mm. The total length of the notched rectangular ring patch is 10mm-12mm, the total width is 10mm-12mm, the patch width is 2mm-3mm, and the length of the notch on the right side is 1mm-2mm. The total length of the L-shaped patch is 5mm-10mm, the total width is 4mm-8mm, and the patch width is 2mm-3mm. The impedance matching input transmission line has a length of 6 mm to 10 mm and a width of 2 mm to 4 mm. The length of the rectangular patch is 8mm-12mm, and the width is 2mm-3mm. The circular rectangular grounding plate with notches is composed of a rectangular notch on the bottom edge of a rectangular ring, the total length of the rectangular ring is 40mm-45mm, the total width is 40mm-45mm, the patch width is 5mm-7mm, and the notch width is 4mm ~6mm.
本实用新型具有损耗低,辐射特性好,成本低,尺寸小,易于制作,便于集成等优点。The utility model has the advantages of low loss, good radiation characteristics, low cost, small size, easy manufacture and integration.
附图说明:Description of drawings:
图1是开口矩形环共面式超宽带微带天线的正面结构图;Fig. 1 is the front structural diagram of the coplanar UWB microstrip antenna with open rectangular rings;
图2是开口矩形环共面式超宽带微带天线的损耗图;Fig. 2 is the loss diagram of the coplanar UWB microstrip antenna with split rectangular rings;
图3是开口矩形环共面式超宽带微带天线在2.85GHz时的E面辐射方向图;Figure 3 is the E-plane radiation pattern of the open rectangular ring coplanar ultra-wideband microstrip antenna at 2.85 GHz;
图4是开口矩形环共面式超宽带微带天线在2.85GHz时的H面辐射方向图;Fig. 4 is the H-plane radiation pattern of the coplanar UWB microstrip antenna with open rectangular ring at 2.85 GHz;
图5是开口矩形环共面式超宽带微带天线在8.3GHz时的E面辐射方向图;Fig. 5 is the E-plane radiation pattern of the open rectangular ring coplanar ultra-wideband microstrip antenna at 8.3 GHz;
图6是开口矩形环共面式超宽带微带天线在8.3GHz时的H面辐射方向图。Fig. 6 is the H-plane radiation pattern at 8.3 GHz of the split rectangular loop coplanar ultra-wideband microstrip antenna.
具体实施方式Detailed ways
如图1所示,开口矩形环共面式超宽带微带天线包括基板1,带缺口矩形环贴片2,L形贴片3,阻抗匹配输入传输线4,矩形贴片5,带缺口环形矩形接地板6;基板1的上表面设有带缺口矩形环贴片2、L形贴片3、阻抗匹配输入传输线4、矩形贴片5、带缺口环形矩形接地板6,L形贴片3的左端与带缺口矩形环贴片2的右侧连接,带缺口矩形环贴片2的底端与阻抗匹配输入传输线4的顶端连接,阻抗匹配输入传输线4的底端与基板1的底端连接,带缺口环形矩形接地板6的底端与基板1的底端连接。As shown in Figure 1, the open rectangular ring coplanar ultra-wideband microstrip antenna includes a
所述的基板1为玻璃纤维环氧树脂材料,基板1的长度为40mm~45mm,宽度为40mm~45mm。所述的带缺口矩形环贴片2的总长度为10mm~12mm,总宽度为10mm~12mm,贴片宽度为2mm~3mm,右侧缺口长度为1mm~2mm。所述的L形贴片3的总长度为5mm~10mm,总宽度为4mm~8mm,贴片宽度为2mm~3mm。所述的阻抗匹配输入传输线4的长度为6mm~10mm,宽度为2mm~4mm。所述的矩形贴片5的长度为8mm~12mm,宽度为2mm~3mm。所述的带缺口环形矩形接地板6由一个矩形环底边开一个矩形缺口组成,矩形环的总长度为40mm~45mm,总宽度为40mm~45mm,贴片宽度为5mm~7mm,缺口宽度为4mm~6mm。实施例1The
选择介电常数为4.4的玻璃纤维环氧树脂材料制作微带基板,厚度为1mm。基板的长度为40mm,宽度为40mm。带缺口矩形环贴片的总长度为11mm,总宽度为10mm,贴片宽度为2mm,右侧缺口长度为2mm。L形贴片的总长度为8mm,总宽度为5mm,贴片宽度为2mm。阻抗匹配输入传输线的长度为7mm,宽度为3mm。矩形贴片的长度为9mm,宽度为2mm。带缺口环形矩形接地板由一个矩形环底边开一个矩形缺口组成,矩形环的总长度为40mm,总宽度为40mm,贴片宽度为5mm,缺口宽度为4mm。开口矩形环共面式超宽带微带天线的各项性能指标采用CST软件进行测试,所得的损耗曲线如附图2所示。由图可见,-10dB以下的工作频段为2.63GHz~4.61GHz和7.4GHz~10.52GHz。图3-4所示为开口矩形环共面式超宽带微带天线在2.85GHz时的E面和H面方向图,由图可见,在频率为2.85GHz时,增益为3.6dBi,半功率波瓣宽度为83.6°。图5-6所示为开口矩形环共面式超宽带微带天线在8.3GHz时的E面和H面方向图,由图可见,在频率为8.3GHz时,增益为5.9dBi,半功率波瓣宽度为62.1°。A glass fiber epoxy resin material with a dielectric constant of 4.4 is selected to make a microstrip substrate with a thickness of 1mm. The substrate has a length of 40 mm and a width of 40 mm. The overall length of the notched rectangular ring patch is 11mm, the overall width is 10mm, the patch width is 2mm, and the length of the notch on the right side is 2mm. The total length of the L-shaped patch is 8mm, the total width is 5mm, and the patch width is 2mm. The impedance-matched input transmission line has a length of 7mm and a width of 3mm. The rectangular patch has a length of 9mm and a width of 2mm. The circular rectangular grounding plate with notch is composed of a rectangular notch on the bottom edge of a rectangular ring. The total length of the rectangular ring is 40mm, the total width is 40mm, the patch width is 5mm, and the notch width is 4mm. The various performance indicators of the split rectangular ring coplanar ultra-wideband microstrip antenna are tested by CST software, and the loss curve obtained is shown in Figure 2. It can be seen from the figure that the working frequency bands below -10dB are 2.63GHz-4.61GHz and 7.4GHz-10.52GHz. Figure 3-4 shows the E-plane and H-plane pattern of the open rectangular ring coplanar ultra-wideband microstrip antenna at 2.85GHz. It can be seen from the figure that when the frequency is 2.85GHz, the gain is 3.6dBi, and the half-power wave The flap width is 83.6°. Figure 5-6 shows the E-plane and H-plane pattern of the open rectangular ring coplanar ultra-wideband microstrip antenna at 8.3GHz. It can be seen from the figure that when the frequency is 8.3GHz, the gain is 5.9dBi, and the half-power wave The flap width is 62.1°.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104916908A (en) * | 2015-03-11 | 2015-09-16 | 浙江大学 | Ultrahigh-frequency broadband circularly-polarized RFID reader antenna |
CN105870611A (en) * | 2015-01-21 | 2016-08-17 | 冠捷投资有限公司 | Broadband microstrip antenna |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN105870611A (en) * | 2015-01-21 | 2016-08-17 | 冠捷投资有限公司 | Broadband microstrip antenna |
CN105870611B (en) * | 2015-01-21 | 2019-03-22 | 冠捷投资有限公司 | Broadband microstrip antenna |
CN104916908A (en) * | 2015-03-11 | 2015-09-16 | 浙江大学 | Ultrahigh-frequency broadband circularly-polarized RFID reader antenna |
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