CN203553358U - 8-18 GHz linear miniature taper open-groove antenna - Google Patents
8-18 GHz linear miniature taper open-groove antenna Download PDFInfo
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- CN203553358U CN203553358U CN201320611774.9U CN201320611774U CN203553358U CN 203553358 U CN203553358 U CN 203553358U CN 201320611774 U CN201320611774 U CN 201320611774U CN 203553358 U CN203553358 U CN 203553358U
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- gradual change
- printed board
- board substrate
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- shaped line
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Abstract
The utility model relates to an 8-18 GHz linear miniature taper open-groove antenna which is composed of a printed board substrate, conductor pasters, a microstrip stub line and a microstrip feed line. The printed board substrate has an upper surface and a lower surface; the conductor pasters, the microstrip stub line and the microstrip feed line are disposed on the surface of the printed board substrate; one end of the conductor paster is provided with a V-shaped linear gradual change open groove, a rectangular open groove is disposed in intersection of the V-shaped linear gradual change open groove, the long edge of the rectangular open groove is parallel with the direction of the tip of the V-shaped linear gradual change open groove, and a resonant cavity is disposed at the end of the rectangular open groove; a plurality of paster slits are disposed in the conductor pasters at two sides of the V-shaped linear gradual change open groove, and the paster slits are perpendicular to the direction of the tip of the V-shaped linear gradual change open groove; and the conductor pasters are parallel with the edge of the direction of the tip of the V-shaped linear gradual change open groove, wherein the edge is a curve bending inwards the printed board substrate; The taper open-groove antenna provided by the above technical scheme has a wide work frequency band and a wide wave beam width, and antenna gain is greatly raised.
Description
Technical field
The utility model relates to a kind of antenna, and it is the linear miniaturization taper of a kind of 8-18GHz slot antenna.
Background technology
Taper slot antenna is a kind of special case of tapered slot antenna, and this kind of antenna adopts planographic structure, have simple in structure, be easy to processing, the advantage such as integrated.This antenna, by extremely wide frequency bandwidth, has high-gain, directionality and good time domain specification, and E face is intimate equal with H ground roll beam width.While using as array element in addition, also there is very good scan characteristic, thereby become very promising ultra-wideband antenna.Main application scenario: active phase array antenna, array antenna, the radiation of wide bandwidth angle and reception etc.But conventional taper slot antenna gain fluctuation in bandwidth is larger, and its half-power beam width is narrower.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of taper slot antenna, and it can possess wide working band, wide beamwidth, and can make antenna gain be significantly improved.
For solving the problems of the technologies described above, the utility model relates to the linear miniaturization taper of a kind of 8-18GHz slot antenna, printed board substrate, conductor patch, microstrip stubs and microstrip feed line, consists of; Described printed board substrate contains upper surface and lower surface.Described conductor patch is arranged on printed board substrate upper surface; Described microstrip stubs and microstrip feed line are arranged on printed board substrate lower surface.Described conductor patch one end is provided with V-shaped line type gradual change fluting, and described V-shaped line type gradual change fluting intersection is provided with rectangle fluting, and the long end of rectangle fluting is parallel to the V-shaped line type gradual change most advanced and sophisticated direction of slotting.Described rectangle fluting end is provided with resonant cavity.The conductor patch of described V-shaped line type gradual change fluting both sides is provided with a plurality of pasters gap; Described paster gap is perpendicular to the V-shaped line type gradual change most advanced and sophisticated direction of slotting.Described conductor patch is parallel to the gradual change of V-shaped line type and slots the edge of most advanced and sophisticated direction for to the circular arc curve of printed board substrate interior curve.
As a kind of improvement of the present utility model, described V-shaped line type gradual change fluting is parallel to printed board substrate surface.Described resonant cavity adopts circular configuration.
As another kind of improvement of the present utility model, quantity, the position in the paster gap in the conductor patch of described V-shaped line type gradual change fluting both sides all equate with width, and gap width is between 0.3~0.6mm.Two, described conductor patch edge circular arc sweep is between 25~29mm.
Than prior art, the utlity model has following advantage:
1) antenna surface electric current runs into gap discontinuity and produces strong slot-coupled, gap is when being upwards coupled energy, also energy transmission is arrived to the paster structure place of circular arc, thereby the beamwidth of broadening antenna makes typical half-power beam width be greater than 90 °;
2) it is more concentrated that the paster structure of circular arc makes antenna surface CURRENT DISTRIBUTION, current strength is larger, electric current is along the curved side of paster along flowing and running into discontinuity boundary condition at electric current when strong and produce stronger radiation, make antenna element possess wide working frequency range, it can cover 8-18GHz, and antenna gain is improved, especially at high band, effect is more remarkable;
3) adopt the taper slot antenna of technique scheme, there is the feature of small size, low standing-wave ratio, its low cost of manufacture of while, and be easy to integrated.
Accompanying drawing explanation
Fig. 1 is printed board substrate upper surface schematic diagram in the utility model;
Fig. 2 is printed board substrate lower surface schematic diagram in the utility model;
Reference numerals list:
1-printed board substrate upper surface, 2-printed board substrate lower surface, 3-conductor patch, 4-microstrip stubs, 5-microstrip feed line, 6-V-shaped line type gradual change fluting, 7-rectangle fluting, 8-resonant cavity, 9-paster gap, 10-boundary curve.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand following embodiment and only for the utility model is described, be not used in restriction scope of the present utility model.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, and word " interior " and " outward " refer to respectively the direction towards or away from specific features geometric center.
The linear miniaturization taper of a kind of 8-18GHz slot antenna as shown in Figures 1 and 2, is comprised of with microstrip feed line 5 printed board substrate, conductor patch 3, microstrip stubs 4; Described printed board substrate contains upper surface 1 and lower surface 2.Described conductor patch 3 is arranged on printed board substrate upper surface 1; Described microstrip stubs 4 is arranged on printed board substrate lower surface 2 with microstrip feed line 5.
Described conductor patch one end is provided with V-shaped line type gradual change fluting 6, and described V-shaped line type gradual change 6 intersections that slot are provided with rectangle fluting 7, and the long end of rectangle fluting 7 is parallel to the V-shaped line type gradual change most advanced and sophisticated direction of slotting.Described rectangle 7 ends of slotting are provided with resonant cavity 8.
The slot conductor patch 3 of 6 both sides of described V-shaped line type gradual change is provided with a plurality of pasters gap 9; Described paster gap 9 is perpendicular to the V-shaped line type gradual change most advanced and sophisticated direction of slotting.Antenna surface electric current runs into gap discontinuity and produces strong slot-coupled, gap is when being upwards coupled energy, also energy transmission is arrived to the paster structure place of circular arc, thereby the beamwidth of broadening antenna makes typical half-power beam width be greater than 90 °.It is the circular arc curve to printed board substrate interior curve that described conductor patch is parallel to the slot boundary curve 10 of most advanced and sophisticated direction of V-shaped line type gradual change.The paster structure of circular arc makes antenna surface CURRENT DISTRIBUTION more concentrated, current strength is larger, electric current is along the curved side of paster along flowing and running into discontinuity boundary condition at electric current when strong and produce stronger radiation, make antenna element possess wide working frequency range, it can cover 8-18GHz, and antenna gain is improved, especially at high band, effect is more remarkable.
As a kind of improvement of the present utility model, described V-shaped line type gradual change fluting is parallel to printed board substrate surface.Described resonant cavity 8 adopts circular configuration.
As another kind of improvement of the present utility model, quantity, the position in the paster gap 9 in described V-shaped line type gradual change fluting both sides conductor patch 6 all equate with width, and gap width is between 0.3~0.6mm.The radius of two boundary curves 10 of described conductor patch is between 25~29mm.
Adopt the taper slot antenna of technique scheme, there is the feature of small size, low standing-wave ratio, its low cost of manufacture of while, and be easy to integrated.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned execution mode, also comprises the technical scheme being comprised of above technical characterictic combination in any.
Claims (5)
1. the linear miniaturization taper of a 8-18GHz slot antenna, is comprised of printed board substrate, conductor patch, microstrip stubs and microstrip feed line; Described printed board substrate contains upper surface and lower surface; Described conductor patch is arranged on printed board substrate upper surface; Described microstrip stubs and microstrip feed line are arranged on printed board substrate lower surface; It is characterized in that, described conductor patch one end is provided with V-shaped line type gradual change fluting, and described V-shaped line type gradual change fluting intersection is provided with rectangle fluting, and the long end of rectangle fluting is parallel to the V-shaped line type gradual change most advanced and sophisticated direction of slotting; Described rectangle fluting end is provided with resonant cavity; The conductor patch of described V-shaped line type gradual change fluting both sides is provided with a plurality of pasters gap; Described paster gap is perpendicular to the V-shaped line type gradual change most advanced and sophisticated direction of slotting; Described conductor patch is parallel to the gradual change of V-shaped line type and slots the edge of most advanced and sophisticated direction for to the circular arc curve of printed board substrate interior curve.
2. according to the linear miniaturization taper of 8-18GHz claimed in claim 1 slot antenna, it is characterized in that, described V-shaped line type gradual change fluting is parallel to printed board substrate surface.
3. according to the linear miniaturization taper of 8-18GHz claimed in claim 1 slot antenna, it is characterized in that, described resonant cavity is circular configuration.
4. according to the linear miniaturization taper of 8-18GHz described in claim 1 or 2 slot antenna, it is characterized in that, quantity, the position in the paster gap in the conductor patch of described V-shaped line type gradual change fluting both sides all equate with width, and gap width is between 0.3~0.6mm.
5. according to the linear miniaturization taper of the 8-18GHz described in claim 1,2,3 any one slot antenna, it is characterized in that, two, described conductor patch edge circular arc sweep is between 25~29mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320611774.9U CN203553358U (en) | 2013-10-04 | 2013-10-04 | 8-18 GHz linear miniature taper open-groove antenna |
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CN201320611774.9U CN203553358U (en) | 2013-10-04 | 2013-10-04 | 8-18 GHz linear miniature taper open-groove antenna |
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CN203553358U true CN203553358U (en) | 2014-04-16 |
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CN201320611774.9U Expired - Fee Related CN203553358U (en) | 2013-10-04 | 2013-10-04 | 8-18 GHz linear miniature taper open-groove antenna |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107834188A (en) * | 2017-11-27 | 2018-03-23 | 南京华讯方舟通信设备有限公司 | The high-gain Vivaldi antenna elements and aerial array of miniature size |
CN108767455A (en) * | 2018-05-07 | 2018-11-06 | 电子科技大学 | A kind of two-port ultra wide band combined antenna that plane is co-structured |
-
2013
- 2013-10-04 CN CN201320611774.9U patent/CN203553358U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107834188A (en) * | 2017-11-27 | 2018-03-23 | 南京华讯方舟通信设备有限公司 | The high-gain Vivaldi antenna elements and aerial array of miniature size |
CN107834188B (en) * | 2017-11-27 | 2023-09-19 | 武汉华讯国蓉科技有限公司 | High-gain Vivaldi antenna unit with miniaturized size and antenna array |
CN108767455A (en) * | 2018-05-07 | 2018-11-06 | 电子科技大学 | A kind of two-port ultra wide band combined antenna that plane is co-structured |
CN108767455B (en) * | 2018-05-07 | 2024-01-26 | 电子科技大学 | Planar co-structure two-port ultra-wideband composite antenna |
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Date | Code | Title | Description |
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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: 20140416 Termination date: 20171004 |
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CF01 | Termination of patent right due to non-payment of annual fee |