Ox horn bend microstrip
Technical field
The present invention relates to antenna, relate in particular to a kind of ox horn bend microstrip.
Background technology
Microstrip antenna is a kind of new antenna growing up after microstrip circuit occurs.From middle nineteen seventies, to application, this antenna is carried out to a large amount of research from theoretical, technology, the impetus does not subtract so far.Microstrip antenna is mainly used in microwave, millimere-wave band.In actual applications, the size of antenna, weight, cost, performance, installation difficulty or ease and aerodynamics form etc. are all restricted, and at this moment may need the antenna of low section.For meeting these requirements, can select microstrip antenna.This antenna has thin planar structure, is convenient to conformally, manufactures simply, and cost is low.By selecting specific patch shape and feeding classification can obtain required resonance frequency, polarization, pattern, impedance.Can adjust by loading between paster and dielectric substrate each parameters such as resonance frequency, polarization, pattern, impedance simultaneously.
Along with development and the active demand of space technology to low profile antenna of microwave integrated technology, launch in the world microstrip antenna extensively and in depth to study.In addition, modern age, development communication technologies was rapid, and required transmission rate is more and more higher, and bandwidth is also more and more wider.The not available advantages of other narrow-band communication systems such as Ultra-wideband Communication Technology is large with high speed, safety, capacity, anti-multipath are subject to extensive concern.Broadband, new construction and high performance microstrip antenna continue to bring out.Ultra-wideband microstrip antenna has larger frequency band range, can meet the demand of each frequency range.Therefore, small-sized in the urgent need to working out size, frequency band range is wide, the micro-strip paster antenna that radiation characteristic is good.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of ox horn bend microstrip is provided.
Ox horn bend microstrip comprises substrate, left inverted L-shaped radiation patch, right inverted L-shaped radiation patch, left hook-shaped radiation patch, right hook-shaped radiation patch, left quadrant ring radiation paster, right quadrant ring radiation paster, bend shape radiation patch, impedance matching input transmission line, upper left rectangular patch, upper right rectangular patch, left three-back-shaped paster, right three-back-shaped paster, left rectangular patch, right rectangular patch, rectangular metal ground plate, the upper surface of substrate is provided with left inverted L-shaped radiation patch, right inverted L-shaped radiation patch, left hook-shaped radiation patch, right hook-shaped radiation patch, left quadrant ring radiation paster, right quadrant ring radiation paster, bend shape radiation patch, impedance matching input transmission line, and the lower surface of substrate is provided with upper left rectangular patch, upper right rectangular patch, left three-back-shaped paster, right three-back-shaped paster, left rectangular patch, right rectangular patch, rectangular metal ground plate, one end of left hook-shaped radiation patch is connected with left inverted L-shaped radiation patch, the other end of left hook-shaped radiation patch is connected with left quadrant ring radiation paster one end, one end of right hook-shaped radiation patch is connected with right inverted L-shaped radiation patch, the other end of right hook-shaped radiation patch is connected with right quadrant ring radiation paster one end, the left quadrant ring radiation paster other end is connected with bend shape radiation patch two ends respectively with the right quadrant ring radiation paster other end, one end of impedance matching input transmission line is connected with bend shape radiation patch, the impedance matching input other end of transmission line and the bottom of substrate are connected, one end of left three-back-shaped paster is connected with upper left rectangular patch, the other end of left three-back-shaped paster is connected with left rectangular patch one end, one end of right three-back-shaped paster is connected with upper right rectangular patch, the other end of right three-back-shaped paster is connected with right rectangular patch one end, the left rectangular patch other end is connected with rectangular metal ground plate one end respectively with the right rectangular patch other end, and the other end of rectangular metal ground plate is connected with the bottom of substrate.
Described substrate is glass-epoxy material, and the length of substrate is 100mm~102mm, and width is 34mm~36mm.Described left inverted L-shaped radiation patch is identical with the dimensional parameters of right inverted L-shaped radiation patch, and total length is 13.5mm~14.5mm, and total height is 6mm~7mm, and width is 1.2mm~1.5mm.The dimensional parameters of the hook-shaped radiation patch in a described left side and right hook-shaped radiation patch is identical, and total length is 60mm~62mm, and total height is 3mm~3.5mm, and width is 0.3mm~0.5mm.Described left quadrant ring radiation paster is identical with the dimensional parameters of right quadrant ring radiation paster, and outer radius is 4mm~4.5mm, and width is 0.5mm~0.7mm.The total length of described bend shape radiation patch is 21.5mm~23.5mm, and total height is 20mm~22mm, and garden turning radius is 0.5mm~0.7mm.The length of described impedance matching input transmission line is 6mm~7mm, and width is 2mm~3mm.Described upper left rectangular patch is identical with the dimensional parameters of upper right rectangular patch, and length is 3.5mm~4.5mm, and width is 3mm~4mm.The dimensional parameters of the three-back-shaped paster in a described left side and right three-back-shaped paster is identical, and total length is 31mm~33mm, and total height is 10mm~11mm, and width is 2mm~3mm.Described left rectangular patch is identical with the dimensional parameters of right rectangular patch, and length is 30mm~32mm, and width is 3.6mm~4.5mm; The length of rectangular metal ground plate is 36mm~38mm, and width is 26mm~28mm.
Ox horn bend microstrip of the present invention has that radiation characteristic is good, two-band, simple in structure, volume is little, quality is light, easy to make and be easy to the advantages such as integrated.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of ox horn bend microstrip;
Fig. 2 is the structure schematic diagram of ox horn bend microstrip;
Fig. 3 is the S parametric plot of ox horn bend microstrip;
Fig. 4 is the E surface radiation directional diagram of antenna in the time of 10.3GHz;
Fig. 5 is the H surface radiation directional diagram of antenna in the time of 10.3GHz;
Fig. 6 is the E surface radiation directional diagram of antenna in the time of 14.3GHz;
Fig. 7 is the H surface radiation directional diagram of antenna in the time of 14.3GHz.
Embodiment
As shown in Figure 1 and 2, ox horn bend microstrip comprises substrate 1, left inverted L-shaped radiation patch 2, right inverted L-shaped radiation patch 3, left hook-shaped radiation patch 4, right hook-shaped radiation patch 5, left quadrant ring radiation paster 6, right quadrant ring radiation paster 7, bend shape radiation patch 8, impedance matching input transmission line 9, upper left rectangular patch 10, upper right rectangular patch 11, left three-back-shaped paster 12, right three-back-shaped paster 13, left rectangular patch 14, right rectangular patch 15, rectangular metal ground plate 16, the upper surface of substrate 1 is provided with left inverted L-shaped radiation patch 2, right inverted L-shaped radiation patch 3, left hook-shaped radiation patch 4, right hook-shaped radiation patch 5, left quadrant ring radiation paster 6, right quadrant ring radiation paster 7, bend shape radiation patch 8, impedance matching input transmission line 9, and the lower surface of substrate 1 is provided with upper left rectangular patch 10, upper right rectangular patch 11, left three-back-shaped paster 12, right three-back-shaped paster 13, left rectangular patch 14, right rectangular patch 15, rectangular metal ground plate 16, one end of left hook-shaped radiation patch 4 is connected with left inverted L-shaped radiation patch 2, the other end of left hook-shaped radiation patch 4 is connected with left quadrant ring radiation paster 6 one end, one end of right hook-shaped radiation patch 5 is connected with right inverted L-shaped radiation patch 3, the other end of right hook-shaped radiation patch 5 is connected with right quadrant ring radiation paster 7 one end, left quadrant ring radiation paster 6 other ends are connected with bend shape radiation patch 8 two ends respectively with right quadrant ring radiation paster 7 other ends, one end of impedance matching input transmission line 9 is connected with bend shape radiation patch 8, the other end of impedance matching input transmission line 9 is connected with the bottom of substrate 1, one end of left three-back-shaped paster 12 is connected with upper left rectangular patch 10, the other end of left three-back-shaped paster 12 is connected with left rectangular patch 14 one end, one end of right three-back-shaped paster 13 is connected with upper right rectangular patch 11, the other end of right three-back-shaped paster 13 is connected with right rectangular patch 15 one end, left rectangular patch 14 other ends are connected with rectangular metal ground plate 16 one end respectively with right rectangular patch 15 other ends, and the other end of rectangular metal ground plate 16 is connected with the bottom of substrate 1.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 100mm~102mm, and width is 34mm~36mm.Described left inverted L-shaped radiation patch 2 is identical with the dimensional parameters of right inverted L-shaped radiation patch 3, and total length is 13.5mm~14.5mm, and total height is 6mm~7mm, and width is 1.2mm~1.5mm.The hook-shaped radiation patch 4 in a described left side is identical with the dimensional parameters of right hook-shaped radiation patch 5, and total length is 60mm~62mm, and total height is 3mm~3.5mm, and width is 0.3mm~0.5mm.Described left quadrant ring radiation paster 6 is identical with the dimensional parameters of right quadrant ring radiation paster 7, and outer radius is 4mm~4.5mm, and width is 0.5mm~0.7mm.The total length of described bend shape radiation patch 8 is 21.5mm~23.5mm, and total height is 20mm~22mm, and garden turning radius is 0.5mm~0.7mm.The length of described impedance matching input transmission line 9 is 6mm~7mm, and width is 2mm~3mm.Described upper left rectangular patch 10 is identical with the dimensional parameters of upper right rectangular patch 11, and length is 3.5mm~4.5mm, and width is 3mm~4mm.The three-back-shaped paster 12 in a described left side is identical with the dimensional parameters of right three-back-shaped paster 13, and total length is 31mm~33mm, and total height is 10mm~11mm, and width is 2mm~3mm.Described left rectangular patch 14 is identical with the dimensional parameters of right rectangular patch 15, and length is 30mm~32mm, and width is 3.6mm~4.5mm; The length of rectangular metal ground plate 16 is 36mm~38mm, and width is 26mm~28mm.
embodiment 1
Select the glass-epoxy material that dielectric constant is 4.4 to make micro-belt substrate, thickness is 1.6mm.The length of substrate is 100mm, and width is 34mm.Left inverted L-shaped radiation patch is identical with the dimensional parameters of right inverted L-shaped radiation patch, and total length is 13.5mm, and total height is 6mm, and width is 1.2mm.The dimensional parameters of left hook-shaped radiation patch and right hook-shaped radiation patch is identical, and total length is 60mm, and total height is 3mm, and width is 0.3mm.Left quadrant ring radiation paster is identical with the dimensional parameters of right quadrant ring radiation paster, and inside radius is 4mm, and width is 0.5mm.The total length of bend shape radiation patch is 21.5mm, and total height is 20mm, and garden turning radius is 0.5mm.The length of impedance matching input transmission line is 6mm, and width is 2mm.Upper left rectangular patch is identical with the dimensional parameters of upper right rectangular patch, and length is 3.5mm, and width is 3mm.The dimensional parameters of left three-back-shaped paster and right three-back-shaped paster is identical, and total length is 31mm~5.5mm, and total height is 10mm, and width is 2mm.The dimensional parameters of left rectangular patch and right rectangular patch is identical, and length is 30mm, and width is 3.6mm; The length of rectangular metal ground plate is 36mm, and width is 26mm.The property indices of ox horn bend microstrip adopts CST software to carry out test analysis, and as shown in Figure 3, as seen from the figure, the working frequency range below-10dB is 10GHz~10.6GHz and 12.2GHz~15.2GHz to the S parameter curve of gained.Fig. 4-5 are depicted as E face and the H face directional diagram of antenna in the time of 10.3GHz, as seen from the figure, in the time that frequency is 10.3GHz, gain as 6.8dBi, and half power lobe width is 14.1 °.Fig. 6-7 are depicted as E face and the H face directional diagram of antenna in the time of 14.3GHz, as seen from the figure, in the time that frequency is 14.3GHz, gain as 8.3dBi, and half power lobe width is 66.1 °.