CN204333271U - A kind of novel circular ultra-wideband antenna with helical ring resonator and hexagon hollow out - Google Patents
A kind of novel circular ultra-wideband antenna with helical ring resonator and hexagon hollow out Download PDFInfo
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- CN204333271U CN204333271U CN201420805451.8U CN201420805451U CN204333271U CN 204333271 U CN204333271 U CN 204333271U CN 201420805451 U CN201420805451 U CN 201420805451U CN 204333271 U CN204333271 U CN 204333271U
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- helical ring
- ring resonator
- planar waveguide
- radiating element
- medium substrate
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Abstract
The utility model discloses a kind of novel circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, its composition comprises: medium substrate (1), radiating element (2), co-planar waveguide signal feed band line (4), co-planar waveguide ground plane (5), helical ring resonator (3), described radiating element, co-planar waveguide signal feed band line, co-planar waveguide ground plane, helical ring resonator is printed on medium substrate upper surface, described radiating element is positioned at the middle part of medium substrate, co-planar waveguide signal feed microstrip line is guided radiating element into from medium substrate edge and is connected with it, two panels co-planar waveguide ground plane is individually fixed in co-planar waveguide signal feed microstrip line both sides and has gap with microstrip line, two helical ring resonators are positioned at the both sides of radiating element and have gap with radiating element.The utility model compact conformation, compact size, by adjusting and optimize size and the position of helical ring resonator, adjustable trap frequency, solves the problem of ultra-wideband communication system co-channel interference.
Description
Technical field
The utility model designs a kind of antenna, be specifically related to the circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, helical ring resonator is added, to realize trap characteristic and the object of do not degenerate UWB (Ultra Wideband) Antenna performance (S parameter is less than-10dB) in radiating element both sides.
Background technology
Ultra broadband (UWB) antenna is widely used in business and the military field of communication system, because it has low cost, volume is little, the characteristic easily manufactured.And this structure can be made by camera technique, have good polarization characteristic, therefore this technology has been applied in the design of ultra-wideband antenna and the design of relevant microwave circuit components and parts.
Frequency band shared by current ultra-wideband communications is 3.1GHz to 10.6GHz, it and WLAN (wireless local area network) (5.15GHz-5.825GHz) have shared part, therefore need the antenna designed to reduce and bring interference to WLAN (wireless local area network), the ultra-wideband antenna that design has trap characteristic becomes the focus studied at present.If do not have suitable design to come harmonic inhabitation resonance and parasitic emission, antenna produces electromagnetic interference by neighbouring equipment, jeopardizes the normal work of system itself and contiguous system, particularly causes interference to the LAN system used at present.Add the method that filter is the solution problems the most often used, but often cause antenna and microwave circuit not to mate, even reduce the overall efficiency of system, therefore design has the coplanar waveguide ultra wide band antenna of trap characteristic is one of important method of head it off, solves the problem of the Structure and energy more complicated of current antenna simultaneously.
For many years, in order to overcome the problem that various UWB (Ultra Wideband) Antenna is interfered mutually, mainly adopt the groove opening various shape on paster and ground.Nowadays several research group attempts by Meta Materials resonator, and such as split-ring resonator (SRR) structure achieves the goal.Meta Materials resonator can think the little resonator of electricity with very high q value, and on the filter that it has been used to build sharp-pointed trap or passband in special frequency channel, the structure of helical ring resonator (SLR) is different from SRR, but fundamental mechanism is identical.
Description
It is simple that the purpose of this utility model is to provide a kind of structure, compact, the circular ultra-wideband antenna with helical ring resonator and hexagon hollow out of broader bandwidth, this antenna can be used in the military equipments such as electronics investigation, electronic countermeasures and civil equipment, reduces the interference to WLAN (5.15 ~ 5.825GHz) band communication.
Technical scheme described in the utility model is:
A kind of novel circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, it is characterized in that: comprise medium substrate, radiating element, co-planar waveguide signal feed microstrip line, co-planar waveguide ground plane, helical ring resonator, described radiating element, co-planar waveguide signal feed band line, co-planar waveguide ground plane, helical ring resonator is printed on medium substrate upper surface, described radiating element is positioned at the middle part of medium substrate, co-planar waveguide signal feed microstrip line is guided radiating element into from medium substrate edge and is connected with it, two panels co-planar waveguide ground plane is individually fixed in co-planar waveguide signal feed microstrip line both sides and has gap with microstrip line, two helical ring resonators are positioned at the both sides of radiating element and have gap with radiating element.
The described circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, is characterized in that: the square structure of described medium substrate to be the length of side be 38mm, thickness is 0.812mm, and relative dielectric constant is 3.38.
The described circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, it is characterized in that: the cirque structure of described radiating element to be radius be 10.5mm, cirque structure there is the hexagon of a hollow out, hexagonal center is on the center of circle, have two limits parallel with medium substrate edge line, hexagonal length of side is 6.5mm.
The described circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, is characterized in that: described co-planar waveguide signal feed micro belt line width is 2.84mm.
The described circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, is characterized in that: described co-planar waveguide ground plane is that the rectangle structure metal of the square notch of 1.5mm is formed by two panels there being the length of side near the Shang Jiaochu at microstrip line place.
The described circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, is characterized in that: described co-planar waveguide ground plane lays respectively at the both sides of microstrip line, and structure is completely the same, and base overlaps with medium substrate edge line, and apart from microstrip line 0.27mm.
The described circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, it is characterized in that: described helical ring resonator is that rectangle structure that the length of 0.4mm is different rotates 7 times and forms by width, base is parallel with medium substrate edge line and distance radiating element beeline is 0.1mm, and the structure of two helical ring resonators is by parameter L
1, L
2,l
3determine, L
1, L
2,l
3value be respectively 3.3mm, 0.4mm, 0.7mm.
The described circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, is characterized in that: the center of described helical ring resonator is parallel with medium substrate edge line with the radiating element line of centres.
Beneficial effect:
(1) the utility model antenna single layer printed circuit plate technique can realize, simple and compact for structure, compact, and easy to process, cost is low, and has good impedance bandwidth and trap characteristic, adds its scope of application.
(2) described in the utility model at radiating element both sides placement helical ring resonator, by adjusting and optimize size and the position of helical ring resonator, adjustable trap frequency, realize ultra-wideband communications and disturb the compatible communication for coordination of communication system mutually, eliminate the design of filter, reduce the complexity of design cost and system, improve the overall performance of system simultaneously, reduce overall volume.
(3) antenna designed by the utility model adopts co-planar waveguide, be printed on medium substrate the same face, be conducive to microwave integrated circuit integrated, involved antenna can improve according to the actual requirements voluntarily, the size of radiating element, distance etc. between co-planar waveguide ground plane and radiating element are set, improve the performance of antenna.
Accompanying drawing explanation
Fig. 1 is the structural representation with the circular ultra-wideband antenna of helical ring resonator and hexagon hollow out described in the utility model;
Fig. 2 is the structure side view with the circular ultra-wideband antenna of helical ring resonator and hexagon hollow out described in the utility model;
Fig. 3 is the structural front view with the circular ultra-wideband antenna of helical ring resonator and hexagon hollow out described in the utility model;
Fig. 4 is the helical ring structural representation with the circular ultra-wideband antenna of helical ring resonator and hexagon hollow out described in the utility model.
Embodiment
As shown in Figure 1, a kind of novel circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, its composition comprises: medium substrate (1), radiating element (2), co-planar waveguide signal feed band line (4), co-planar waveguide ground plane (5), helical ring resonator (3), described radiating element, co-planar waveguide signal feed band line, co-planar waveguide ground plane, helical ring resonator is printed on medium substrate upper surface, described radiating element is positioned at the middle part of medium substrate, co-planar waveguide signal feed microstrip line is guided radiating element into from medium substrate edge and is connected with it, two panels co-planar waveguide ground plane is individually fixed in co-planar waveguide signal feed microstrip line both sides and has gap with microstrip line, two helical ring resonators are positioned at the both sides of radiating element and have gap with radiating element.
The square structure of described medium substrate to be the length of side be 38mm, thickness is 0.812mm, and relative dielectric constant is 3.38, and on medium substrate, all structures are about left and right, the axis full symmetric of medium substrate.
The cirque structure of described radiating element to be radius be 10.5mm, cirque structure has the hexagon of a hollow out, hexagonal center is on the center of circle, and have two limits parallel with medium substrate edge line, hexagonal length of side is 6.5mm.。
Described co-planar waveguide signal feed micro belt line width is 2.84mm, and co-planar waveguide signal feed microstrip line is guided radiating element into from medium substrate edge and is connected with it, and length is 9.1mm, characteristic impedance 50 Ω.
Described co-planar waveguide ground plane lays respectively at the both sides of microstrip line, structure is completely the same, the rectangle structure metal of square notch is had to form by two panels at the upper angle near microstrip line place, two limits of rectangle structure overlap with medium substrate edge line, long limit and medium substrate base coincident, apart from microstrip line 0.27mm, minor face overlaps with medium substrate side, length is the length of side 1.5mm of 8.8mm, square notch.
The center of described helical ring resonator is parallel with medium substrate edge line with the radiating element line of centres, helical ring resonator is that the rectangle structure being the different length of sides of 0.4mm by width rotates 7 times and forms, the square of each rectangle and another lap to be the length of side be 0.4mm.The long rectangular length of side of longest edge is 3.3mm, is spaced apart 0.4mm between adjacent rectangle, and the shortest rectangle length of side is 1.4mm, and wherein 0.4mm overlaps with another rectangle, and distance radiating element beeline is 0.1mm, namely as shown in Figure 4, and L
1=3.3mm, L
2=0.4mm, L
3=0.7mm.
Claims (8)
1. a novel circular ultra-wideband antenna with helical ring resonator and hexagon hollow out, it is characterized in that: comprise medium substrate, radiating element, co-planar waveguide signal feed microstrip line, co-planar waveguide ground plane, helical ring resonator, described radiating element, co-planar waveguide signal feed band line, co-planar waveguide ground plane, helical ring resonator is printed on medium substrate upper surface, described radiating element is positioned at the middle part of medium substrate, co-planar waveguide signal feed microstrip line is guided radiating element into from medium substrate edge and is connected with it, two panels co-planar waveguide ground plane is individually fixed in co-planar waveguide signal feed microstrip line both sides and has gap with microstrip line, two helical ring resonators are positioned at the both sides of radiating element and have gap with radiating element.
2. the circular ultra-wideband antenna with helical ring resonator and hexagon hollow out according to claim 1, is characterized in that: the square structure of described medium substrate to be the length of side be 38mm, thickness is 0.812mm, and relative dielectric constant is 3.38.
3. the circular ultra-wideband antenna with helical ring resonator and hexagon hollow out according to claim 1, it is characterized in that: the cirque structure of described radiating element to be radius be 10.5mm, cirque structure there is the hexagon of a hollow out, hexagonal center is on the center of circle, have two limits parallel with medium substrate edge line, hexagonal length of side is 6.5mm.
4. the circular ultra-wideband antenna with helical ring resonator and hexagon hollow out according to claim 1, is characterized in that: described co-planar waveguide signal feed micro belt line width is 2.84mm.
5. the circular ultra-wideband antenna with helical ring resonator and hexagon hollow out according to claim 1, it is characterized in that: described co-planar waveguide ground plane lays respectively at the both sides of microstrip line, structure is completely the same, and base overlaps with medium substrate edge line, and apart from microstrip line 0.27mm.
6. the circular ultra-wideband antenna with helical ring resonator and hexagon hollow out according to claim 1, is characterized in that: described co-planar waveguide ground plane is that the rectangle structure metal of the square notch of 1.5mm is formed by two panels there being the length of side near the Shang Jiaochu at microstrip line place.
7. the circular ultra-wideband antenna with helical ring resonator and hexagon hollow out according to claim 1, it is characterized in that: described helical ring resonator is that rectangle structure that the length of 0.4mm is different rotates 7 times and forms by width, base is parallel with medium substrate edge line and distance radiating element beeline is 0.1mm, and the structure of two helical ring resonators is by parameter L
1, L
2, L
3determine, L
1, L
2, L
3value be respectively 3.3mm, 0.4mm, 0.7mm.
8. the circular ultra-wideband antenna with helical ring resonator and hexagon hollow out according to claim 1, is characterized in that: the center of described helical ring resonator is parallel with medium substrate edge line with the radiating element line of centres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805451.8U CN204333271U (en) | 2014-12-17 | 2014-12-17 | A kind of novel circular ultra-wideband antenna with helical ring resonator and hexagon hollow out |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805451.8U CN204333271U (en) | 2014-12-17 | 2014-12-17 | A kind of novel circular ultra-wideband antenna with helical ring resonator and hexagon hollow out |
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| CN204333271U true CN204333271U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420805451.8U Expired - Fee Related CN204333271U (en) | 2014-12-17 | 2014-12-17 | A kind of novel circular ultra-wideband antenna with helical ring resonator and hexagon hollow out |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876914A (en) * | 2015-12-10 | 2017-06-20 | 哈尔滨黑石科技有限公司 | A kind of double trap UWB antennas of square with helical resonator and hexagon hollow out |
| CN109390686A (en) * | 2018-10-12 | 2019-02-26 | 天津大学 | A kind of wearable Miniaturisation ultra-wideband antenna based on polyimides |
| CN109546345A (en) * | 2018-10-12 | 2019-03-29 | 天津大学 | A kind of miniature ultra wide band hexagonal antenna dividing shape based on kock |
-
2014
- 2014-12-17 CN CN201420805451.8U patent/CN204333271U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876914A (en) * | 2015-12-10 | 2017-06-20 | 哈尔滨黑石科技有限公司 | A kind of double trap UWB antennas of square with helical resonator and hexagon hollow out |
| CN109390686A (en) * | 2018-10-12 | 2019-02-26 | 天津大学 | A kind of wearable Miniaturisation ultra-wideband antenna based on polyimides |
| CN109546345A (en) * | 2018-10-12 | 2019-03-29 | 天津大学 | A kind of miniature ultra wide band hexagonal antenna dividing shape based on kock |
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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: 20150513 Termination date: 20151217 |
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| EXPY | Termination of patent right or utility model |