CN206271875U - A kind of ultra-wideband antenna with three trap characteristics - Google Patents
A kind of ultra-wideband antenna with three trap characteristics Download PDFInfo
- Publication number
- CN206271875U CN206271875U CN201621404081.2U CN201621404081U CN206271875U CN 206271875 U CN206271875 U CN 206271875U CN 201621404081 U CN201621404081 U CN 201621404081U CN 206271875 U CN206271875 U CN 206271875U
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- CN
- China
- Prior art keywords
- ultra
- medium substrate
- radiating element
- wideband antenna
- trap
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Abstract
The utility model discloses a kind of ultra-wideband antenna with three trap characteristics, including medium substrate (1), the upper surface of the medium substrate is provided with radiating element (2), microstrip feed line (5), metal ground plate (3,4).Described radiating element is connected with described microstrip feed line.Described two pieces of metal ground plates (3,4) are symmetrically positioned in the both sides of described microstrip feed line.Described radiating element is half elliptic structure, and band is related to symmetrical big " L " shape (24,25) of medium substrate center line and small " L " shape (21,22) structure, there is rectangular indentation and on two symmetrical " L " shape (31,32) slot structures of medium substrate center line in described earth plate.Size of the present utility model is small, be easily integrated, and has three trap frequencies that can independently adjust, and effectively substitutes the function of wave filter, realizes the purpose that radio ultra wide band system cooperates with other wireless communication systems.
Description
Technical field
The utility model is related to ultra wide band (UWB) field of antenna, more particularly, to a kind of ultra-wide with three trap characteristics
Band antenna.
Background technology
Since FCC the Federal Communications Commission in 2002
(FCC) frequency range of ultra wide band has been determined for since 3.1~10.6GHz, ultra-wideband communication system is due to its high speed data transfer speed
Rate, low-power consumption, high power capacity, low cost the advantages of and be widely studied with application, as the important component of radio ultra wide band system, grind
Study carefully personnel and propose various ultra-wideband antennas.
But there is many current utilization rates nothing very high in the working frequency range (3.1~10.6GHz) of radio ultra wide band system
Line communication system, such as wireless MAN (WiMAX) and the wireless local of 5.15~5.825GHz frequency ranges of 3.3~3.7GHz frequency ranges
Net (WLAN), and the communication of X-band down-link satellite then works in 7.25~7.75GHz frequency ranges, satellite communication is due to having in recent years
Coverage rate is big, stability is high, the advantages of do not limited by geographical conditions, obtained extensively in fields such as mobile communication, radio and television
Using.
How to solve super broad band radio communication system and these have it is mutual between the wireless communication system of overlapped frequency bands
Interference is always study hotspot.Generally can cause to produce trap in corresponding band by introducing wave filter in ultra-wideband systems,
So as to reduce the signal mutual interference between radio ultra wide band system and other systems, but the method can cause the volume of radio ultra wide band system to become
Greatly, the problems such as cost increases.
A kind of effective alternative is ultra-wideband antenna of the design with trap characteristic, is such as adopted in the antenna structure
With grooving, addition parasitic element, using modes such as fractal structures, trap is produced in corresponding frequency band, so that without in radio-frequency front-end
On circuit signal mutual interference can be solved the problems, such as using wave filter.
Utility model content
The purpose of this utility model be provide a kind of simple structure, be readily produced, size is small, easily and RF front-end circuit
Ultra-wideband antennas integrated, with three trap characteristics.
The technical scheme that the utility model is used to achieve the above object is：Described a kind of have three trap characteristics
Ultra-wideband antenna includes medium substrate, and radiating element, microstrip feed line and metal ground plate are printed in described medium substrate upper surface.
Described radiating element is located at the middle and upper part of described medium substrate upper surface, described microstrip feed line and described radiating element
It is connected.
Described radiating element is half elliptic structure.
Described radiating element has on symmetrical big " L " shape of medium substrate center line and small " L " shape structure.
Described metal ground plate is made up of two pieces of unfilled corner rectangular metal earth plates.
Two pieces of described metal ground plates are symmetrically positioned in described microstrip feed line both sides and separate with described microstrip feed line
Mutually equidistantly.
Two pieces of described metal ground plates are respectively provided with symmetrical " L " the shape slot structure of medium substrate center line.
The beneficial effects of the utility model：
(1) by optimizing symmetrical big " L " the shape structure on radiating element described in the utility model, can produce 3.3~
The trap of 3.7GHz frequency ranges.
(2) by optimizing two " L " shape slot structures on two pieces of category earth plate described in the utility model, 5.15 can be produced
The trap of~5.825GHz frequency ranges.
(3) by optimizing symmetrical small " L " the shape structure on radiating element described in the utility model, can produce 7.25~
The trap of 7.75GHz frequency ranges.
(4) the utility model has good ultrabroad band characteristic, trap characteristic and omnidirectional radiation characteristic, can produce
The trap of 3.3~3.7GHz frequency ranges, 5.15~5.825GHz frequency ranges and 7.25~7.75GHz frequency ranges.So as to realize ultra-wide band logical
Letter cooperates with other with frequency wireless communication system.
Brief description of the drawings
Fig. 1 is top view of the present utility model；
Fig. 2 is side view of the present utility model；
Fig. 3 is S11 curve maps of the present utility model；
Fig. 4 is the utility model in the normalization E faces of 4.5GHz and the antenna pattern in H faces；
Fig. 5 is the utility model in the normalization E faces of 6.5GHz and the antenna pattern in H faces；
Fig. 6 is the utility model in the normalization E faces of 10GHz and the antenna pattern in H faces.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and detailed description, but reality of the present utility model
Apply mode not limited to this.
The utility model is a kind of ultra-wideband antenna with three trap characteristics, its structure as shown in Figure 1 and Figure 2, the antenna
Including medium substrate (1), described medium substrate upper surface is provided with radiating element (2), metal ground plate (3,4) and microstrip feed line
(5).Described radiating element (2) positioned at the middle and upper part of described medium substrate (1) upper surface, and positioned at described medium substrate
(1) microstrip feed line (5) of the middle and lower part of upper surface is connected, and two pieces of metal ground plates (3,4) are symmetrically distributed in microstrip feed line (5)
Both sides, and be separated by equidistant gap with microstrip feed line (5).
Medium substrate (1) of the present utility model is that dielectric constant is 4.4, and loss angle tangent is 0.02, and thickness is 1.6mm's
FR-4 epoxy glass cloth laminated boards, its length is 26mm, and width is 26mm；The width of microstrip feed line is 3.4mm；Grounding plate
Length be 10.3mm, width is 10.8mm；The unfilled corner rectangle length of metal ground plate (3,4) is 3mm, and width is 3mm；Metal
" L " shape groove (31,32) vertical component length of earth plate is 5.3mm, and horizontal component length is 2.8mm.
Radiating element (2) of the present utility model is half elliptic structure, with notching construction." convex " shape groove (23) is positioned at spoke
The middle part of unit (2) is penetrated, is had on symmetrical big " L " shape of medium substrate center line and small " L " shape structure in " convex " shape groove, it is excellent
The size for changing symmetrical big " L " shape structure (24,25) can produce trap in 3.3~3.7GHz frequency ranges.Symmetrical small " L " shape of optimization
The size of structure (21,22) can produce trap in 7.25~7.75GHz frequency ranges.Two pieces of metal ground plates (3,4) are all unfilled corner square
Shape metal ground plate and band is related to the symmetrical opening of medium substrate center line " L " shape groove (31,32).The described groove of optimization (31,
32) position and size can produce trap in 5.15~5.825GHz frequency ranges.Therefore, by adjusting size and the position of dependency structure
Put, be capable of achieving three trap frequencies.
Effect of the present utility model can be further illustrated by following emulation and test chart：
Fig. 3 is return loss (S11) curve map that the utility model antenna is produced, from Tu Ke get, antenna 3.3~
Trap is produced in 3.7GHz, 5.15~5.825GHz and 7.25~7.75GHz, tri- frequency ranges, be restrained effectively with ultra wide band frequently
The frequency band signals such as WiMAX, WLAN of section overlap and the communication of X-band down-link satellite, so using antenna system of the present utility model
Can without interfering with each other be worked with other communication systems.
Fig. 4, Fig. 5, Fig. 6 are respectively radiation of the utility model antenna in the E faces of 4.5GHz, 6.5GHz, 10GHz and H faces
Directional diagram, it can be seen that in E faces into the figure of eight, H faces can be seen ultra-wideband antenna of the present utility model into omnidirectional radiation
Going out the antenna has good omnidirectional radiation characteristic, can meet ultra-wideband communications demand.
The foregoing is only better embodiment of the present utility model, be not used to limit the utility model, it is all
Any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in this practicality new
Within the protection domain of type.
Claims (6)
1. a kind of ultra-wideband antenna with three trap characteristics, it includes medium substrate (1), and radiating element (2), two blocks of metals connect
Floor (3,4), microstrip feed line (5)；Described radiating element, metal ground plate, microstrip feed line are respectively positioned on described medium substrate
Upper surface；Described radiating element is located at medium substrate middle and upper part, and two pieces of described metal ground plates are symmetrically positioned in described micro-
Ribbon feeder both sides, described microstrip feed line is connected with described radiating element.
2. the ultra-wideband antenna with three trap characteristics according to claim 1, it is characterised in that：Described radiating element
It is half elliptic structure.
3. the ultra-wideband antenna with three trap characteristics according to claim 1, it is characterised in that：Two blocks of described metals
Earth plate is made up of two pieces of unfilled corner rectangular metal earth plates.
4. the ultra-wideband antenna with three trap characteristics according to claim 2, it is characterised in that：Described half elliptic
Radiating element band is related to symmetrical big " L " shape (24,25) of medium substrate center line and small " L " shape (21,22) structure.
5. the ultra-wideband antenna with three trap characteristics according to claim 3, it is characterised in that：Two blocks of described metals
Earth plate carries slot structure.
6. the ultra-wideband antenna with three trap characteristics according to claim 5, it is characterised in that：Described slot structure is
On two symmetrical " L " shape groove (31,32) structures of medium substrate center line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621404081.2U CN206271875U (en) | 2016-12-15 | 2016-12-15 | A kind of ultra-wideband antenna with three trap characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621404081.2U CN206271875U (en) | 2016-12-15 | 2016-12-15 | A kind of ultra-wideband antenna with three trap characteristics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206271875U true CN206271875U (en) | 2017-06-20 |
Family
ID=59046510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621404081.2U Expired - Fee Related CN206271875U (en) | 2016-12-15 | 2016-12-15 | A kind of ultra-wideband antenna with three trap characteristics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206271875U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767460A (en) * | 2018-05-23 | 2018-11-06 | 辽宁工程技术大学 | A kind of ultra-wideband antenna with three trap characteristics |
| CN112366457A (en) * | 2020-11-11 | 2021-02-12 | 辽宁工程技术大学 | Miniaturized ultra-wideband monopole antenna with double-trapped-wave characteristics |
| CN112467352A (en) * | 2020-11-19 | 2021-03-09 | 辽宁工程技术大学 | Wrench-shaped trapped wave reconfigurable ultra-wideband antenna |
-
2016
- 2016-12-15 CN CN201621404081.2U patent/CN206271875U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767460A (en) * | 2018-05-23 | 2018-11-06 | 辽宁工程技术大学 | A kind of ultra-wideband antenna with three trap characteristics |
| CN108767460B (en) * | 2018-05-23 | 2024-01-02 | 辽宁工程技术大学 | Ultra-wideband antenna with triple notch characteristics |
| CN112366457A (en) * | 2020-11-11 | 2021-02-12 | 辽宁工程技术大学 | Miniaturized ultra-wideband monopole antenna with double-trapped-wave characteristics |
| CN112467352A (en) * | 2020-11-19 | 2021-03-09 | 辽宁工程技术大学 | Wrench-shaped trapped wave reconfigurable ultra-wideband antenna |
| CN112467352B (en) * | 2020-11-19 | 2023-07-07 | 辽宁工程技术大学 | Wrench-shaped notch reconfigurable ultra-wideband antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20171215 |