CN201868568U - Substrate integrated waveguide feed double-dipole antenna and array - Google Patents
Substrate integrated waveguide feed double-dipole antenna and array Download PDFInfo
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- CN201868568U CN201868568U CN201020621002XU CN201020621002U CN201868568U CN 201868568 U CN201868568 U CN 201868568U CN 201020621002X U CN201020621002X U CN 201020621002XU CN 201020621002 U CN201020621002 U CN 201020621002U CN 201868568 U CN201868568 U CN 201868568U
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Abstract
The utility model discloses a substrate integrated waveguide feed double-dipole antenna, which consists of double dipole radiation unit consisting of two printed dipoles. The double-dipole antenna is characterized in that the two printed dipoles are connected by printed parallel wires which are substrate integrated waveguide feed printed parallel wires, a microstrip input port is connected with a substrate integrated waveguide via a microstrip transmission wire, the substrate integrated waveguide is connected with the double dipole radiation unit through gradient printed parallel wires, and accordingly the double-dipole antenna which is wide in frequency range and high in gain can be used independently and can also be used as a basic radiation unit to form an antenna system. The utility model further discloses a double-dipole antenna array adopting a substrate integrated waveguide power distributor to feed, which is a wideband high-gain directional antenna array. The antenna array utilizes the substrate integrated waveguide power distributor as a feed network, adopts the double dipoles to form the independent radiation unit, and can be applied to fields of communication systems.
Description
Technical field
The utility model relates to a kind of printed dipole sub antenna, is specifically related to the double dipole antenna and the array of a kind of substrate integration wave-guide and power divider feed thereof.
Background technology
In recent years, wireless communication technology has obtained fast-developing and has obtained extensive use.Increasing communication system requires low cost, easily makes, is easy to and the integrated antenna of other microwave radio planar circuit.High band, broadband, high-gain, directed radiation, easy making, antenna easy of integration are one of present research focuses.The printed dipole sub antenna is common flat plane antenna, and easily making and easy realization are integrated with the coplane of other microwave radio circuit.But the gain of single dipole is limited, for improving radiation gain, dipole can be formed array, but the oscillator number in the same array is many more, feeding network will be complicated more, if can improve the radiation gain of single radiating element, can lower the complexity of feeding network.Reach higher frequency range at Ku simultaneously, common microstrip feed network or printing parallel wire feeding network, loss is big, parasitic radiation is serious, can greatly influence the operating efficiency and the radiation directivity of antenna.Select low-loss, feeding network easy of integration for printed dipole sub antenna and array thereof, design suitable feeding network, lower loss and parasitic radiation, become the key issue in the aerial array research, have the using value of reality.
The utility model content
The utility model purpose: the purpose of this utility model is to provide the double dipole antenna and the array of the feeding substrate integrated waveguide of a kind of Ku of being operated in wave band, wide bandwidth, high-gain, directed radiation.
Technical scheme: it is antenna and array-fed that the double dipole antenna of feeding substrate integrated waveguide described in the utility model and array adopt substrate integration wave-guide and chip integrated wave guide power rate distributor, and feeding substrate integrated waveguide circuit impedance bandwidth is big, loss is little, parasitic radiation is extremely low, be easy to realize the coplane of antenna and other microwave radio circuit and integrated.The double dipole antenna of feeding substrate integrated waveguide described in the utility model, concrete structure is: form the double dipole radiating element by two printed dipoles, two printed dipoles are connected by the printing parallel wire, adopt substrate integration wave-guide excitation feed printing parallel wire; Connect by little band transition line between little tape input port and the described substrate integration wave-guide, connect by gradation type printing parallel wire between described substrate integration wave-guide and the described double dipole radiating element.
One is long and the other is short for described two printed dipoles, and corresponding operating frequency is lower than respectively and is higher than the central task frequency; Described substrate integration wave-guide is arranged on the nearer side of distance printed dipole.
Described substrate integration wave-guide is to be made of two row's plated-through holes.
Antenna adopts planar circuit technology to be produced on the dielectric substrate.
The double dipole aerial array of chip integrated wave guide power rate distributor feed described in the utility model, concrete structure is: a plurality of double dipole radiating elements are formed array, adopting chip integrated wave guide power rate distributor is the array antenna feed, connect by little band transition line between little tape input port and the chip integrated wave guide power rate distributor, connect by gradation type printing parallel wire between the output port of chip integrated wave guide power rate distributor and the double dipole radiating element.
The described double dipole radiating element printing parallel wire of serving as reasons connects that one is long and the other is short two printed dipoles is formed, and corresponding operating frequency is lower than respectively and is higher than the central task frequency; Described chip integrated wave guide power rate distributor is arranged on the nearer side of distance printed dipole.
Described chip integrated wave guide power rate distributor is to be made of many rows plated-through hole.
Described chip integrated wave guide power rate distributor adopts circular arc type turning line.
Aerial array adopts planar circuit technology to be produced on the dielectric substrate.
The utility model compared with prior art, its beneficial effect is: 1, common single printed dipole is as radiating element, the impedance bandwidth relative narrower, adopt double dipole as radiating element in the utility model: the radiating element of antenna is made up of two long and short printed dipoles, and the impedance bandwidth of antenna radiation unit is also superposeed by the working frequency range of these two printed dipoles and forms; Use the printing parallel wire to connect the oscillator of these two different lengths, can obtain the optimum impedance bandwidth by width and the length of optimizing the printing parallel wire, and double dipole radiation simultaneously, in the radiation characteristic that keeps E face and H face, improved the far-field radiation gain, both can be used as independently antenna use and also can be used as basic radiating element formation antenna system; 2, the double dipole aerial array of the utility model chip integrated wave guide power rate distributor feed is a kind of wide band directed high-gain aerial, this antenna uses substrate integration wave-guide (Substrate Integrated Waveguide SIW) power divider as feeding network, adopt double dipole as independent radiating element, can be applied in the field such as communication system; 3, common microstrip feed network loss on this frequency range is bigger, and size and radiating element size are comparable, can bring bigger parasitic radiation, influence antenna performance, utilize substrate integration wave-guide can well reduce loss, reduce parasitic radiation as the feeding network of Ku wave band antenna; Common microstrip power divider bandwidth relative narrower can produce limitation to the bandwidth of array antenna to the array antenna feed, uses chip integrated wave guide power rate distributor as feeding network, can improve bandwidth of operation greatly; 4, in the utility model, substrate integration wave-guide adopts the circular arc type line that turns round to replace common right angle corner line, can further enlarge its bandwidth of operation; And the right-angle turning line of common substrate integration wave-guide needs to design a reflective metals through hole around the corner, adopts the line that turns round of circular arc type as seen to simplify this design procedure, thereby makes design more quick; 5, the utility model antenna and array structure thereof are simple, make and all utilize ripe standard industry technology, and cost is low, produce in batches easily, feeding network is that enclosed construction thereby radiation are little, isolate and antijamming capability strong, easy and other plane microwave radio circuit is integrated.
Description of drawings
Fig. 1 is the top level structure schematic diagram of feeding substrate integrated waveguide double dipole antenna;
Fig. 2 is the fabric schematic diagram of feeding substrate integrated waveguide double dipole antenna;
Fig. 3 is the double dipole aerial array of chip integrated wave guide power rate distributor feed;
Fig. 4 is emulation and the test result of array antenna input reflection coefficient S11;
Fig. 5 (a) is an array antenna 13GHz E surface radiation directional diagram;
Fig. 5 (b) is an array antenna 13GHz H surface radiation directional diagram;
Fig. 5 (c) is an array antenna 14GHz E surface radiation directional diagram;
Fig. 5 (d) is an array antenna 14GHz H surface radiation directional diagram;
Fig. 5 (e) is an array antenna 15GHz E surface radiation directional diagram;
Fig. 5 (f) is an array antenna 15GHz H surface radiation directional diagram;
Fig. 6 is the test result of antenna far-field radiation gain.
Embodiment
Below in conjunction with accompanying drawing, by embodiment technical solutions of the utility model are elaborated, but protection range of the present utility model is not limited to described embodiment.
Feeding substrate integrated waveguide double dipole antenna as shown in Figure 1 and Figure 2, among the figure, substrate integration wave-guide 1 is to be made of two row's plated-through holes 2, connect by little band transition line 4 between little tape input port 3 and the substrate integration wave-guide 1, connect by gradation type printing parallel wire 6 between substrate integration wave-guide 1 and the double dipole radiating element 5, connected by parallel wire 7 between the long and short dipole of double dipole, long dipole is nearer apart from substrate integration wave-guide; In the present embodiment, W=0.7mm; W1=0.5mm; W2=0.5mm; WW=3.6mm; L1=4.6mm; L2=3.7mm; LL=3.1mm; S=2.1mm; SIW_W=9.9mm; Taperl_W=2.8mm; Ms_W=1.45mm; Taperl_L=3.1mm; R1=0.6mm; D=1mm;
Fig. 3 is the double dipole array antenna of one 1 * 4 chip integrated wave guide power rate distributor feed, and four radiating elements 5 are arranged in the whole array.The double dipole radiating element should adopt the balanced feeding mode.At substrate integration wave-guide input 3 ', by little band transition line 4 little tape input port 3 ' is carried out impedance matching with substrate integration wave-guide, substrate integration wave-guide No. four power dividers 1 ' by a band arc corners line, be four double dipole radiating element constant amplitudes, homophase feed, described chip integrated wave guide power rate distributor 1 ' is to be made of many rows plated-through hole 2; Four way outlets of power divider are connected with radiating element 5 by gradation type printing parallel wire 6, realize impedance matching.The chip integrated wave guide power rate distributor 1 ' here adopts circular arc type turning line, can the simplified design step, expand bandwidth.AS is the spacing of adjacent double dipole radiating element; AS=13.8mm among the embodiment; X1=4.2mm; R2=0.6mm; The example antenna of making is operated in the 13-15GHz frequency range.Whole antenna feeder adopts planar circuit technology to be produced on the dielectric substrate.It is that the dielectric constant of 0.508mm is that 2.2 Rogers5008 is as dielectric-slab that example medium substrate has adopted thickness.Fig. 4 is in reflection coefficient emulation of actual antennas input port place and test result.The radiation pattern of Fig. 5 on five frequency 13GHz, 14GHz and 15GHz, recording respectively.Fig. 6 records the far-field radiation gain on five frequency 13GHz, 13.5GHz, 14GHz, 14.5GHz and 15GHz.
As mentioned above, although represented and explained the utility model that with reference to specific preferred embodiment it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make various variations in the form and details to it.
Claims (7)
1. the double dipole antenna of a feeding substrate integrated waveguide is formed the double dipole radiating element by two printed dipoles, it is characterized in that: two printed dipoles are connected by the printing parallel wire, adopt substrate integration wave-guide excitation feed printing parallel wire; Connect by little band transition line between little tape input port and the described substrate integration wave-guide, connect by gradation type printing parallel wire between described substrate integration wave-guide and the described double dipole radiating element.
2. the double dipole antenna of feeding substrate integrated waveguide according to claim 1, it is characterized in that: one is long and the other is short for described two printed dipoles, and corresponding operating frequency is lower than respectively and is higher than the central task frequency; Described substrate integration wave-guide is arranged on the nearer side of distance printed dipole.
3. the double dipole antenna of feeding substrate integrated waveguide according to claim 1 is characterized in that: antenna adopts planar circuit technology to be produced on the dielectric substrate.
4. the double dipole aerial array of a chip integrated wave guide power rate distributor feed, it is characterized in that: a plurality of double dipole radiating elements are formed array, adopting chip integrated wave guide power rate distributor is the array antenna feed, connect by little band transition line between little tape input port and the chip integrated wave guide power rate distributor, connect by gradation type printing parallel wire between the output port of chip integrated wave guide power rate distributor and the double dipole radiating element.
5. the double dipole aerial array of chip integrated wave guide power rate distributor feed according to claim 4, it is characterized in that: the described double dipole radiating element printing parallel wire of serving as reasons connects that one is long and the other is short two printed dipoles is formed, and corresponding operating frequency is lower than respectively and is higher than the central task frequency; Described chip integrated wave guide power rate distributor is arranged on the nearer side of distance printed dipole.
6. the double dipole aerial array of chip integrated wave guide power rate distributor feed according to claim 4 is characterized in that: described chip integrated wave guide power rate distributor adopts circular arc type turning line.
7. the double dipole aerial array of chip integrated wave guide power rate distributor feed according to claim 4 is characterized in that: aerial array adopts planar circuit technology to be produced on the dielectric substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020621002XU CN201868568U (en) | 2010-11-24 | 2010-11-24 | Substrate integrated waveguide feed double-dipole antenna and array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020621002XU CN201868568U (en) | 2010-11-24 | 2010-11-24 | Substrate integrated waveguide feed double-dipole antenna and array |
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| Publication Number | Publication Date |
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| CN201868568U true CN201868568U (en) | 2011-06-15 |
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| CN201020621002XU Expired - Fee Related CN201868568U (en) | 2010-11-24 | 2010-11-24 | Substrate integrated waveguide feed double-dipole antenna and array |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997171A (en) * | 2010-11-24 | 2011-03-30 | 东南大学 | Double dipole antenna and array thereof fed by substrate integrated waveguide |
| CN103178341A (en) * | 2013-03-12 | 2013-06-26 | 东南大学 | Indoor high-speed communication antenna of wide-beam Q-band millimeter waves |
| CN103414017A (en) * | 2013-08-23 | 2013-11-27 | 电子科技大学 | Double dipole directional antenna based on same-phase power divider feeding |
| CN109429423A (en) * | 2017-08-30 | 2019-03-05 | 中兴通讯股份有限公司 | Transmitting device and its method for terminal device WiFi11ad circuit |
| WO2021072630A1 (en) * | 2019-10-15 | 2021-04-22 | 深圳市大疆创新科技有限公司 | Antenna array, radar, and movable platform |
| US11901601B2 (en) | 2020-12-18 | 2024-02-13 | Aptiv Technologies Limited | Waveguide with a zigzag for suppressing grating lobes |
| US11949145B2 (en) | 2021-08-03 | 2024-04-02 | Aptiv Technologies AG | Transition formed of LTCC material and having stubs that match input impedances between a single-ended port and differential ports |
| US11962085B2 (en) | 2021-05-13 | 2024-04-16 | Aptiv Technologies AG | Two-part folded waveguide having a sinusoidal shape channel including horn shape radiating slots formed therein which are spaced apart by one-half wavelength |
-
2010
- 2010-11-24 CN CN201020621002XU patent/CN201868568U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997171A (en) * | 2010-11-24 | 2011-03-30 | 东南大学 | Double dipole antenna and array thereof fed by substrate integrated waveguide |
| CN103178341A (en) * | 2013-03-12 | 2013-06-26 | 东南大学 | Indoor high-speed communication antenna of wide-beam Q-band millimeter waves |
| CN103178341B (en) * | 2013-03-12 | 2014-12-10 | 东南大学 | Indoor high-speed communication antenna of wide-beam Q-band millimeter waves |
| CN103414017A (en) * | 2013-08-23 | 2013-11-27 | 电子科技大学 | Double dipole directional antenna based on same-phase power divider feeding |
| CN103414017B (en) * | 2013-08-23 | 2015-09-09 | 电子科技大学 | Based on the double dipole directional antenna of homophase power splitter feed |
| CN109429423A (en) * | 2017-08-30 | 2019-03-05 | 中兴通讯股份有限公司 | Transmitting device and its method for terminal device WiFi11ad circuit |
| WO2021072630A1 (en) * | 2019-10-15 | 2021-04-22 | 深圳市大疆创新科技有限公司 | Antenna array, radar, and movable platform |
| US11901601B2 (en) | 2020-12-18 | 2024-02-13 | Aptiv Technologies Limited | Waveguide with a zigzag for suppressing grating lobes |
| US11962085B2 (en) | 2021-05-13 | 2024-04-16 | Aptiv Technologies AG | Two-part folded waveguide having a sinusoidal shape channel including horn shape radiating slots formed therein which are spaced apart by one-half wavelength |
| US11949145B2 (en) | 2021-08-03 | 2024-04-02 | Aptiv Technologies AG | Transition formed of LTCC material and having stubs that match input impedances between a single-ended port and differential ports |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20181124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |