CN1996665A - An angle reflection antenna of the printing tie dipole array - Google Patents
An angle reflection antenna of the printing tie dipole array Download PDFInfo
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- CN1996665A CN1996665A CN 200610022689 CN200610022689A CN1996665A CN 1996665 A CN1996665 A CN 1996665A CN 200610022689 CN200610022689 CN 200610022689 CN 200610022689 A CN200610022689 A CN 200610022689A CN 1996665 A CN1996665 A CN 1996665A
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Abstract
This invention discloses one print collar oscillator array angle reflection antenna, which is characterized by the following: comprising antenna radiation unit and antenna metal reflection surface; the radiation unit is composed of print collar oscillator array, earth layer, micro band and feedback network; the oscillator array and earth layer are on one side of metal layer and the micro band on other side; L shape feedback branch is to couple feedback on print collar oscillator to form T shape network through micro band wire and its connection to provide one feedback and resistance matching.
Description
Technical field
The present invention relates to a kind of corner reflector antenna of printing tie layered transducer elements, belong to field of antenna in the wireless device.
Background technology
Antenna is the critical component in the wireless device, and it is bearing the function of power conversion function and directed radiation (or reception), directly determines the efficient of electromagnetic energy in the space transmission, influences whole wireless system work effect.Along with the fast development of modern communication technology, many special and requirements harshness have been proposed antenna performance.For example in remote directed communication, require antenna will possess broadband, high radiation gain, high front and back ratio, low radiation secondary lobe, simple, the easy performances of processing and making etc. in enormous quantities of debugging simultaneously.Traditional antenna type is difficult to satisfy simultaneously above-mentioned all properties requirement.
Corner reflector antenna is the antenna of a class excellent performance, and it has compact conformation, easily realizes having characteristics such as broadband and higher radiation gain more widely and use in modern communication.The corner reflector antenna structure can roughly be divided into two parts: the radiating element of antenna reflective face and feed excitation.Corner reflector antenna adopts the radiating element of half-wave dipole oscillator as antenna more, in order to further expand the radiation bandwidth of antenna, also has the radiating element of segment angle reflecting antenna to adopt structures such as knot type oscillator.
Existing corner reflector antenna exists following shortcoming:
1. antenna is an all-metal construction, and weight is heavier.
2. adopt the corner reflector antenna bandwidth of half-wave dipole oscillator narrower, be difficult to satisfy the needs of broadband communications.Adopt the corner reflector antenna frequency band broad of knot type oscillator, generally can reach 2: 1 bandwidth.But the structure of knot type oscillator is complicated, and the difficulty and the cost of metal machining are higher, also are difficult to accomplish high-precision processing, and mismachining tolerance is bigger to the influence of antenna performance.
3. the antenna system overwhelming majority adopts the coaxial feeding of 50 Ω.Coaxial feeding belongs to unbalanced feed, and corner reflector antenna needs balanced feeding, needs non-equilibrium conversion to balanced feeding.The input impedance of many corner reflector antennas is not 50 Ω, and particularly the input impedance of knot type oscillator corner reflector antenna far above 50 Ω, needs impedance conversion to realize the impedance matching of antenna feed usually at 200～300 Ω.Therefore, corner reflector antenna also needs designing antenna Ba Lun (Balun) when design, finishes the non-equilibrium to balance conversion and impedance conversion of antenna feed.Under high frequency and wideband scenarios, the design of Ba Lun has suitable difficulty.
4. the radiating element of corner reflector antenna and Ba Lun two parts of normally separating, the connection between them all has no small trouble for Antenna Design, making and debugging.
5. the gain of corner reflector antenna is relevant with the size of reflecting surface, after the size of reflecting surface is big, just be difficult to further improve antenna gain by the size that increases reflecting surface again, therefore the maximum gain of corner reflector antenna is generally 13dBi～14dBi at present, is difficult to further improve the gain of antenna.
Corner reflector antenna is the widely used traditional antenna of a class.Corner reflector antenna gains or in order to widen its working band, people improve the structure of corner reflector antenna in order to improve, and has proposed some new antenna structure forms.In the 10th chapter of field of antenna authority's works " Antennas:For All Applications " that U.S. JohnD.Kraus writes, design and performance to half-wave dipole element and knot type oscillator two class corner reflector antennas are introduced all-sidely and are summed up, the gain of half-wave dipole oscillator corner reflector antenna when end-fire of enumerating is approximately 12dBi, and the gain of the centre frequency of knot type oscillator corner reflector antenna is 13dBi, and working band can reach 2: 1.But these corner reflector antennas are all-metal construction all, and weight is bigger, and gain lower (being 13dBi to the maximum); " ELECTRONICS LETTERS " the 32nd volume 16 phases (1996) paper " Triple corner reflector antenna and its performance in H-plane " has increased a subreflector at the reflecting surface edge of corner reflector antenna, thereby improve end-fire gain 3dBi, but still adopt the half-wave dipole oscillator of metal structure on this antenna structure, weight is big and working band is narrower." IEEE TRANSACTIONS ONANTENNAS AND PROPAGATION " the 3rd phase of nineteen eighty-three goes up paper " Cylindrical and Three-Dimensional Corner Reflector Antennas " and introduces a kind of improved half-wave dipole oscillator corner reflector antenna, increased a circular arc plate washer in the angle of reflecting surface, thereby improve the about 1dBi of antenna gain, but the working band of this antenna is narrower, do not take into account high-gain and wide band requirement simultaneously, be all-metal construction in addition, weight is big, and complex structure causes the machining cost height.
Summary of the invention
The objective of the invention is to provide a kind of corner reflector antenna of printing tie layered transducer elements at the deficiencies in the prior art.
The present invention is realized by following technical measures:
The corner reflector antenna of printing tie layered transducer elements contains antenna radiation unit and antenna metallic reflection face, antenna radiation unit is by printing tie place layered transducer elements, ground plane, little band parallelly feeding grid is formed, printing tie layered transducer elements and ground plane are printed on the metal surface of printed circuit board (PCB), little band parallelly feeding grid is printed on the another side metal surface, L shaped feed branch is respectively to the printing tie oscillator feed that is coupled, connect and compose T type microstrip network by microstrip line and microstrip line, for the printing tie layered transducer elements provides unified feed and impedance matching.
Antenna radiation unit is printed on the printed circuit board (PCB) with the microstrip antenna form, and printed circuit board (PCB) is divided into three layers, and upper and lower layer is a metal surface, and the centre is a dielectric layer, for realizing wide working band.
The printing tie layered transducer elements is made up of two groups or more printing tie oscillator, for improving antenna gain.
Dielectric layer is polytetrafluoroethylene or epoxy resin.
The present invention has following advantage:
1. antenna radiation unit is printed on pcb board, replaces traditional metal radiating doublet, has alleviated antenna weight.Reduce antenna simultaneously and add the tool processing capacity in making, reduced antenna Production Time and cost.
2. the printing tie layered transducer elements can adopt photoetching technique processing, and the machining accuracy height can reduce the influence of mismachining tolerance to antenna performance significantly.
3. the knot oscillator has the wide characteristics of working band, and therefore corner reflector antenna of the present invention has the working band of broad.
4. use with the printing tie layered transducer elements and be produced on feed and the impedance matching that realizes antenna radiation unit with the microstrip feed network on a slice pcb board.Antenna structure is compact more, and does not need extra Ba Lun to finish impedance conversion, has simplified Antenna Design, making and debugging.
Description of drawings
Fig. 1 is a corner reflector antenna structure chart of the present invention
The pcb board end view of Fig. 2 antenna radiation unit
One of pcb board front view of Fig. 3 antenna radiation unit
Two of the pcb board front view of Fig. 4 antenna radiation unit
1. antenna radiation unit, 2. antenna metallic reflection face, 3,5 metal surfaces, 4. dielectric layer, 6. printing tie oscillator, 7. metal ground plane, 8.50 Ω microstrip lines, 9.100 Ω microstrip lines, 10.L type feed branch
Specific embodiment
Below by embodiment the present invention is carried out concrete description, be necessary to be pointed out that at this present embodiment only is used for invention is further specified, can not be interpreted as limiting the scope of the invention.The person skilled in the art in this field can make some nonessential improvement and adjustment according to the content of the invention described above.
Embodiment:
The overall structure of the corner reflector antenna of printing tie layered transducer elements is shown in Fig. 1～4, and this corner reflector antenna is made up of antenna radiation unit 1 and metallic reflection face 2.
Antenna radiation unit is printed on the pcb board, the structure of this pcb board is divided into three layers as shown in Figure 2, upper and lower two-layer metal surface 3 and the metal surface 5 of being divided into, and the centre is a dielectric layer 4, dielectric layer is made up of materials such as little polytetrafluoroethylene of lossy microwave or epoxy resin, and relative dielectric constant is 4.4.
Through numerical simulation calculating and antenna measurement, the working frequency range of this routine corner reflector antenna can extend to 2.02GHz from 1.25GHz, possesses the ultra broadband service behaviour.Be of a size of 700mm * 700mm and the reflecting surface angle is under 90 ° of situations at metallic reflection face 2, its radiation gain is 16dBi, far surpasses the existing corner reflector antenna (about 13dBi) that adopts the metal radiating doublet.
Claims (4)
1. the corner reflector antenna of a printing tie layered transducer elements, contain antenna radiation unit and antenna metallic reflection face, it is characterized in that antenna radiation unit (1) forms layered transducer elements by printing tie, ground plane (7), little band parallelly feeding grid is formed, printing tie layered transducer elements and ground plane are printed on the metal surface (3) of printed circuit board (PCB), little band parallelly feeding grid is printed on the another side metal surface (5), L shaped feed branch (10) is respectively to printing tie oscillator (6) feed that is coupled, connect and compose T type microstrip network by microstrip line (8) and microstrip line (9), for the printing tie layered transducer elements provides unified feed and impedance matching.
2. the corner reflector antenna of printing tie layered transducer elements according to claim 1, it is characterized in that antenna radiation unit (1) is printed on the printed circuit board (PCB) with the microstrip antenna form, printed circuit board (PCB) is divided into three layers, upper and lower layer is metal surface (3) and metal surface (5), the centre is dielectric layer (4), for realizing wide working band.
3. the corner reflector antenna of printing tie layered transducer elements according to claim 1 is characterized in that the printing tie layered transducer elements is made up of two groups or more printing tie oscillator (6), is to improve antenna gain.
4. the corner reflector antenna of printing tie layered transducer elements according to claim 1 is characterized in that dielectric layer (4) is polytetrafluoroethylene or epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610022689A CN100583555C (en) | 2006-12-28 | 2006-12-28 | An angle reflection antenna of the printing tie dipole array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610022689A CN100583555C (en) | 2006-12-28 | 2006-12-28 | An angle reflection antenna of the printing tie dipole array |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1996665A true CN1996665A (en) | 2007-07-11 |
| CN100583555C CN100583555C (en) | 2010-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610022689A Expired - Fee Related CN100583555C (en) | 2006-12-28 | 2006-12-28 | An angle reflection antenna of the printing tie dipole array |
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| Country | Link |
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| CN (1) | CN100583555C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010098665A (en) * | 2008-10-20 | 2010-04-30 | Furuno Electric Co Ltd | Antenna apparatus |
| CN101699660B (en) * | 2009-09-01 | 2015-11-25 | 中国电子科技集团公司第五十四研究所 | A kind of high gain ultra-wide wave beam antenna |
| CN111755808A (en) * | 2020-07-02 | 2020-10-09 | 重庆邮电大学 | Broadband millimeter wave MIMO antenna loaded with horizontal radiation branches and butterfly parasitic units |
-
2006
- 2006-12-28 CN CN200610022689A patent/CN100583555C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010098665A (en) * | 2008-10-20 | 2010-04-30 | Furuno Electric Co Ltd | Antenna apparatus |
| US8847837B2 (en) | 2008-10-20 | 2014-09-30 | Furuno Electric Company Limited | Antenna and radar apparatus |
| CN101699660B (en) * | 2009-09-01 | 2015-11-25 | 中国电子科技集团公司第五十四研究所 | A kind of high gain ultra-wide wave beam antenna |
| CN111755808A (en) * | 2020-07-02 | 2020-10-09 | 重庆邮电大学 | Broadband millimeter wave MIMO antenna loaded with horizontal radiation branches and butterfly parasitic units |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100583555C (en) | 2010-01-20 |
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Granted publication date: 20100120 Termination date: 20121228 |