CN204441477U - Omnidirectional antenna - Google Patents
Omnidirectional antenna Download PDFInfo
- Publication number
- CN204441477U CN204441477U CN201520162410.6U CN201520162410U CN204441477U CN 204441477 U CN204441477 U CN 204441477U CN 201520162410 U CN201520162410 U CN 201520162410U CN 204441477 U CN204441477 U CN 204441477U
- Authority
- CN
- China
- Prior art keywords
- antenna
- link slot
- riser
- oscillator
- kerve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of omnidirectional antenna, comprising: substrate (10), and (10) are provided with conducting medium layer with substrate; Riser (20), is arranged on conducting medium layer; Antenna oscillator (30), is arranged on riser (20); Conducting medium layer is provided with the groove (40) of the Electric Field Distribution for changing antenna oscillator (30), groove (40) comprises interconnective foundation trench (41) and extension slot, and extension slot is arranged at least side of foundation trench (41); Wherein, extension slot comprises kerve and is connected at least two straight troughs on kerve, and the two ends of kerve are all connected with straight trough.Main purpose of the present utility model is to provide a kind of and is different from prior art and can improves the omnidirectional antenna of isolation between antenna oscillator.
Description
Technical field
The utility model relates to technical field of communication equipment, in particular to a kind of omnidirectional antenna.
Background technology
At present, in the design of antenna, ensure that it is very important for having good isolation between antenna oscillator.Especially in portable communication device, due to the small volume of antenna, antenna oscillator arranges tightr, therefore increases the isolation between antenna oscillator, and the degree of coupling reduced between antenna is very important.
In prior art, there is a lot of method to be used for increasing the isolation between antenna oscillator, such as, utilize mushroom-shaped bandgap structure can surface wave between suppressing antenna oscillator, and then increase the isolation between antenna oscillator.But adopt said method to need below antenna oscillator, arrange a large amount of mushroom-shaped structures, and need the position occupying larger area.
For the defect of mushroom-shaped bandgap structure, also proposing use in prior art, to have feed port antenna integrated, but antenna integrated based on patch antenna design, therefore above-mentioned antenna integrated size may not be suitable for the antenna with very little form factor.
In addition, in the prior art, the method of the isolation of conventional raising antenna oscillator also comprises: pull open the spacing distance of antenna oscillator, the polarization mode of the antenna oscillator that staggers, add isolator and slot on antenna oscillator between antenna oscillator, these methods are applicable to different antenna types.
Utility model content
Main purpose of the present utility model is to provide a kind of and is different from above-mentioned prior art and can improves the omnidirectional antenna of isolation between antenna oscillator.
To achieve these goals, the utility model provides a kind of omnidirectional antenna, comprising: substrate, substrate is provided with conducting medium layer; Riser, is arranged on conducting medium layer; Antenna oscillator, is arranged on riser; Conducting medium layer is provided with the groove of the Electric Field Distribution for changing antenna oscillator, groove comprises interconnective foundation trench and extension slot, and extension slot is arranged at least side of foundation trench; Wherein, extension slot comprises kerve and is connected at least two straight troughs on kerve, and the two ends of kerve are all connected with straight trough.
Further, groove also comprises the link slot be arranged between foundation trench and extension slot, and kerve is connected to link slot one end away from foundation trench.
Further, groove is arranged on the one or both sides of the junction of substrate and riser.
Further, foundation trench is yi word pattern groove, and the junction along substrate and riser extends, and a long limit of foundation trench overlaps with a long limit of riser, and the minor face of foundation trench extends along the direction deviating from riser.
Further, extension slot comprises the first extension slot and the second extension slot, link slot comprises the first link slot and the second link slot, and the first extension slot is connected with foundation trench with the second link slot respectively by the first link slot with the second extension slot, and the length of the first link slot is less than the length of the second link slot.
Further, the first link slot is all vertical with foundation trench with the second link slot, and the first link slot is equal with the width of the second link slot, and the first link slot and the second link slot are oppositely arranged on the both sides of foundation trench.
Further, the width of foundation trench is greater than the width of the first link slot and the second link slot.
Further, first extension slot comprises the first straight trough and the first kerve, second extension slot comprises the second straight trough and the second kerve, first straight trough is perpendicular to the first kerve, and the bearing of trend of at least two the first straight troughs is identical, second straight trough is perpendicular to the second kerve, and the bearing of trend of at least two the second straight troughs is identical.
Further, the first extension slot and the second extension slot are U-lag, and the opening of U-lag is towards the direction deviating from riser.
Further, the width of the first kerve is greater than the width of the first link slot, and the width of the second kerve is greater than the width of the second link slot.
Further, riser is intersect two that arrange, the second antenna oscillator that the antenna oscillator on each riser comprises two first day linear oscillators and is arranged between two first day linear oscillators.
Further, the spacing between the second antenna oscillator with two first day linear oscillators is equal.
Further, the second antenna oscillator is arranged on the top, middle part of riser, and two first day linear oscillators are arranged on the bottom of riser symmetrically.
Further, the groove of a corresponding riser is two, and two first day linear oscillator one_to_one corresponding of two grooves and this riser are arranged.
Further, the bottom of riser is provided with conducting strip, and conducting strip between first day linear oscillator and groove, and is connected with conducting medium layer.
Further, first day linear oscillator is monopole antenna oscillator, and the second antenna oscillator is dipole antenna oscillator.
Further, two risers are all vertical with substrate to be arranged, and the crossing angle of two risers is 90 degree.
Further, the position of groove on conducting medium layer is near the corresponding projected position of antenna oscillator on conducting medium layer.
Application the technical solution of the utility model, omnidirectional antenna comprises substrate and is arranged on the riser on substrate, and substrate is provided with conducting medium layer.Omnidirectional antenna also comprises the antenna oscillator be arranged on riser.Above-mentioned conducting medium layer is provided with groove, and groove can change the CHARGE DISTRIBUTION on conducting medium layer, and then can change the Electric Field Distribution on antenna oscillator.The Electric Field Distribution changed on antenna oscillator can reduce the degree of coupling between antenna oscillator, strengthens the isolation between antenna oscillator, reduces standing-wave ratio.Therefore the utility model can improve isolation between antenna oscillator effectively.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the schematic front view of the embodiment according to omnidirectional antenna of the present utility model;
Fig. 2 shows the schematic top plan view of the omnidirectional antenna of Fig. 1;
Fig. 3 shows the perspective view of the omnidirectional antenna of Fig. 1;
Fig. 4 shows the perspective view of another angle of the omnidirectional antenna of Fig. 1;
Fig. 5 shows the antenna pattern of omnidirectional antenna in 2.4GHz frequency range of Fig. 1;
Fig. 6 shows the antenna pattern of omnidirectional antenna in 5.8GHz frequency range of Fig. 1;
Fig. 7 shows the radiation field three-dimensional figure of omnidirectional antenna in 2.4GHz frequency range of Fig. 1;
Fig. 8 shows the radiation field three-dimensional figure of omnidirectional antenna in 5.8GHz frequency range of Fig. 1;
Fig. 9 shows the standing-wave ratio performance plot of omnidirectional antenna in 2.4GHz frequency range of Fig. 1;
Figure 10 shows the standing-wave ratio performance plot of omnidirectional antenna in 5.8GHz frequency range of Fig. 1;
The omnidirectional antenna that Figure 11 shows Fig. 1 is in the isolation of 2.4GHz frequency range and return loss plot; And
The omnidirectional antenna that Figure 12 shows Fig. 1 is in the isolation of 5.8GHz frequency range and return loss plot.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, substrate; 20, riser; 30, antenna oscillator; 31, first day linear oscillator; 32, the second antenna oscillator; 40, groove; 41, foundation trench; 42, the first extension slot; 43, the second extension slot; 44, the first link slot; 45, the second link slot; 46, the first kerve; 47, the first straight trough; 48, the second kerve; 49, the second straight trough; 50, conducting strip.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figures 1 to 4, the omnidirectional antenna of the present embodiment comprises substrate 10, riser 20 and antenna oscillator 30.Wherein, substrate 10 is provided with conducting medium layer; Riser 20, is arranged on conducting medium layer; Antenna oscillator 30, is arranged on riser 20.Conducting medium layer is provided with the groove 40 of the Electric Field Distribution for changing antenna oscillator 30.Groove 40 comprises interconnective foundation trench 41 and extension slot.Extension slot is arranged at least side of foundation trench 41.Wherein, extension slot comprises kerve and is connected at least two straight troughs on kerve.The two ends of kerve are all connected with straight trough.
The omnidirectional antenna of application the present embodiment, the riser 20 that omnidirectional antenna comprises substrate 10 and arranges on the substrate 10, and substrate 10 is provided with conducting medium layer.Omnidirectional antenna also comprises the antenna oscillator 30 be arranged on riser 20.Above-mentioned conducting medium layer is provided with groove 40, and groove 40 can change the CHARGE DISTRIBUTION on conducting medium layer, and then can change the Electric Field Distribution on antenna oscillator 30.The Electric Field Distribution changed on antenna oscillator 30 can reduce the degree of coupling between antenna oscillator 30, strengthens the isolation between antenna oscillator 30, reduces standing-wave ratio.Therefore the utility model can solve the problem that between antenna oscillator 30, isolation is low.
As shown in Figures 2 to 4, in the omnidirectional antenna of the present embodiment, groove 40 is arranged on the side of the junction of substrate 10 and riser 20.When groove 40 changes the CHARGE DISTRIBUTION on conducting medium layer, said structure can make the CHARGE DISTRIBUTION on conducting medium layer more remarkable on the impact of the Electric Field Distribution on antenna oscillator 30, and then the degree of coupling more effectively reduced between antenna oscillator 30 can be had, strengthen the isolation between antenna oscillator 30.
As shown in Figures 1 to 4, the omnidirectional antenna of the present embodiment comprises the antenna that is operated under 2.4GHz frequency band and the antenna under being operated in 5.8GHz frequency band.The conducting medium layer of antenna is Copper Foil, and on Copper Foil, etching has groove 40, and groove 40 is arranged on the side of substrate 10 and riser 20 junction.Hereafter the concrete structure of groove 40 in the present embodiment will be specifically described.
In the present embodiment, groove 40 comprises foundation trench 41, foundation trench 41 is arranged on groove 40 and is arranged on substrate 10 and riser 20 junction, and foundation trench 41 long limit overlaps with a long limit of riser 20, and the minor face of foundation trench 41 extends along the direction deviating from riser.Foundation trench 41 is yi word pattern groove, and in other execution modes unshowned in the drawings, foundation trench 41 is not limited to yi word pattern groove, can adopt other straight groove structures or non-straight groove structure.
In the present embodiment, groove 40 also comprises the link slot be arranged between foundation trench 41 and extension slot, and kerve is connected to link slot one end away from foundation trench 41.In other execution modes unshowned in the drawings, kerve is not limited to the one end being connected to link slot, can also adopt other link positions.
In the present embodiment, extension slot comprises the first extension slot 42 and the second extension slot 43 that two are separately positioned on foundation trench 41 both sides.Link slot comprises the first link slot 44 and the second link slot 45.First extension slot 42 and the second extension slot 43 are connected on foundation trench 41 respectively by the first link slot 44 and the second link slot 45.Especially, the length of the first link slot 44 is less than the length of the second link slot 45, makes the first extension slot 42 more be close to foundation trench 41 compared to the second extension slot 43.
Vertical being connected on the first link slot 44 of the first straight trough 47, first kerve 46 that first extension slot 42 comprises the first kerve 46 and is vertically connected on the first kerve 46.In the present embodiment, the first link slot 44 is perpendicular to foundation trench 41 and the first kerve 46, and one end of the first link slot 44 is connected to the middle part of the first kerve 46.First straight trough 47 is set to two, and one end of two the first straight troughs 47 is connected to the two ends of the first kerve 46, and two the first straight trough 47 length is equal and extend facing one direction.The arrangement of above-mentioned first kerve 46 and the first straight trough 47 makes the first extension slot 42 to take the shape of the letter U groove, and the opening of U-lag is towards the direction deviating from riser 20.
Vertical being connected on the second link slot 45 of the second straight trough 49, second kerve 48 that second extension slot 43 comprises the second kerve 48 and is vertically connected on the second kerve 48.In the present embodiment, the second link slot 45 is perpendicular to foundation trench 41 and the second kerve 48, and one end of the second link slot 45 is connected to the middle part of the second kerve 48.Second straight trough 49 is set to two, and one end of two the second straight troughs 49 is connected to the two ends of the second kerve 48, and two the second straight trough 49 length is equal and extend facing one direction.The arrangement of above-mentioned second kerve 48 and the second straight trough 49 makes the second extension slot 43 to take the shape of the letter U groove, and the opening of U-lag is towards the direction deviating from riser 20.
Groove 40 in the present embodiment is defect grounding structure (DGS).Particularly, in the present embodiment, the first extension slot 42 and the second extension slot 43 are U-lag, and therefore groove 40 is U-shaped defect grounding structure (U-aperture DGS).In unshowned in the drawings execution mode, when the first extension slot 42 and the second extension slot 43 are other forms, groove 40 is other forms of defect grounding structure (DGS).
The conducting medium layer of substrate 10 etches the distribution that above-mentioned U-shaped defect grounding structure can change the effective dielectric constant of conducting medium layer, thus the distributed inductance changed based on the microstrip line of this antenna and distributed capacitance, and then make this type of antenna have band gap properties and slow wave characteristic, have make simple, volume is little, be convenient to the advantages such as integrated.
The single U-shaped defect grounding structure be etched on conducting medium layer can be equivalent to LC parallel circuits.The size and dimension changing U-shaped defect grounding structure also will change the LC parameter value of its frequency characteristic and equivalence.When the radiation frequency of antenna just in time drops on the band resistance frequency range of U-shaped defect grounding structure time, surface wave is suppressed, thus reduces the coupling between antenna oscillator 30.The U-shaped defect grounding structure be arranged on the conducting medium layer of substrate 10 can reduce the coupling between antenna oscillator 30 effectively, thus the isolation that can improve between antenna oscillator 30, and the standing-wave ratio that can reduce between antenna oscillator 30, improves the performance of omnidirectional antenna.
As shown in Figures 2 to 4, in the omnidirectional antenna of the present embodiment, riser 20 is intersect two that arrange, and the antenna oscillator 30 on each riser 20 comprises two first day linear oscillators 31 and is arranged on the second antenna oscillator 32 between two first day linear oscillators 31.
In the present embodiment, riser 20 is intersect two that arrange, and vertical with substrate 10.Two risers 20 can realize intersecting by engaged slot and arrange, and two risers 20 also can be structure as a whole.
The mode that riser 20 is arranged on the substrate 10 does not limit, and in the present embodiment, riser 20 is arranged on the substrate 10 by welding.In unshowned in the drawings execution mode, riser 20 and substrate 10 can also reach fixing object by the fit system of such as ridge and mounting groove.
As shown in Figure 1, Figure 3 and Figure 4, two risers 20 are respectively equipped with first day linear oscillator 31 and the second antenna oscillator 32.First day linear oscillator 31 is arranged on the top, middle part of riser 20.Second antenna oscillator 32 is two, two the second antenna oscillators 32 are symmetrical is respectively arranged on first day linear oscillator 31 both sides, and the second antenna oscillator 32 is arranged on the bottom of riser 20, two the second antenna oscillators 32 are equal with the distance between first day linear oscillator 31.Said structure can make the second antenna oscillator 32 and two first day linear oscillators 31 distribute more even, thus ensure that to have higher isolation between the second antenna oscillator 32 and two first day linear oscillators 31.
In the technical scheme of the present embodiment, the groove 40 of a corresponding riser 20 is two, and two grooves 40 and first day linear oscillator 31 one_to_one corresponding of this riser 20 are arranged, and groove 40 is arranged on the below of first day linear oscillator 31.And the position of groove 40 on conducting medium layer is near the corresponding projected position of antenna oscillator 30 on conducting medium layer.By the close antenna oscillator 30 that above-mentioned method for arranging makes groove 40 try one's best, affect the Electric Field Distribution on first day linear oscillator 31 and the second antenna oscillator 32 as much as possible, and then the isolation strengthened between first day linear oscillator 31 and the second antenna oscillator 32, reduce standing-wave ratio.
As shown in Figure 1, Figure 3 and Figure 4, in the omnidirectional antenna of the present embodiment, the bottom of riser 20 is provided with conducting strip 50, and conducting strip 50 between first day linear oscillator 31 and groove 40, and is connected with conducting medium layer.The bottom of two risers 20 is provided with conducting strip 50.Above-mentioned two risers 20 are connected with the conducting medium layer on substrate 10 by conducting strip 50, and conducting strip 50 and conducting medium layer are altogether.In the present embodiment, conducting strip 50 is copper foil, and conducting medium layer is copper foil layer, and the connected mode between conducting strip 50 with conducting medium layer is for welding.
In the omnidirectional antenna of the present embodiment, first day linear oscillator 31 is dipole antenna oscillator, and the second antenna oscillator 32 is monopole antenna oscillator.Alternatively, first day linear oscillator 31 and the second antenna oscillator 32 can be dipole antenna oscillator.Alternatively, first day linear oscillator 31 and the second antenna oscillator 32 can be monopole antenna oscillator.Alternatively, first day linear oscillator 31 is monopole antenna oscillator, and the second antenna oscillator 32 is dipole antenna oscillator.Polarization mode above by stagger first day linear oscillator 31 and the second antenna oscillator 32 strengthens the isolation between first day linear oscillator 31 and the second antenna oscillator 32 further.
In the omnidirectional antenna of the present embodiment, the crossing angle of two risers 20 is 90 degree.The crossing angle of above-mentioned two risers 20 is set to 90 degree, each antenna oscillator 30 be arranged on two risers 20 can be made to be uniformly distributed, ensure that to have higher isolation between antenna oscillator 30.
In the omnidirectional antenna of the present embodiment, under the antenna oscillator 30 in two risers 20 is operated in the first frequency range (2.4GHz), the antenna oscillator 30 on another in two risers 20 is operated in the second frequency range (5.8GHz).
It should be noted that, in the present embodiment, substrate 10 is pcb board (printed circuit board).Pcb board can make compact structure, effectively reduces space, and with low cost.The material of pcb board is FR4 (ε r=4.4, tan δ=0.02).In addition, as shown in Figure 1, in the present embodiment, substrate 10 is circular.It should be noted that, according to the restriction of the factors such as the installation site of antenna, substrate 10 also can be rectangle, triangle or other shapes.
Fig. 5 is the antenna pattern of emulation gained omnidirectional antenna in 2.4GHz frequency range.
Pole axis in figure in polar coordinate system is the gain of omnidirectional antenna, and the polar angle in polar coordinate system is the electromagnetic wave incident angle of omnidirectional antenna.Wherein, the unit of antenna gain is dBi, and the unit of antenna electric magnetic wave incident angle is deg.
As can be seen from the figure omnidirectional antenna is substantially along normal direction radiated electromagnetic wave.When electromagnetic wave incident angle is 0deg, the antenna gain of omnidirectional antenna in 2.4GHz frequency range of emulation gained is about 8dBi.
Fig. 6 is the antenna pattern of emulation gained omnidirectional antenna in 5.8GHz frequency range.
Pole axis in figure in polar coordinate system is the gain of omnidirectional antenna, and the polar angle in polar coordinate system is the electromagnetic wave incident angle of omnidirectional antenna.Wherein, the unit of antenna gain is dBi, and the unit of antenna electric magnetic wave incident angle is deg.
As can be seen from the figure omnidirectional antenna is substantially along normal direction radiated electromagnetic wave.When electromagnetic wave incident angle is 0deg, the antenna gain of omnidirectional antenna in 5.8GHz frequency range of emulation gained is about-20dBi.
Fig. 7 is the radiation field three-dimensional figure of emulation gained omnidirectional antenna in 2.4GHz frequency range.
Chrominance sections different in figure is the numerical value of different omnidirectional antenna gain, and the unit of antenna gain is dBi.
As can be seen from the figure, when 2.4GHz frequency range, the peak gain of the antenna gain of emulation gained is about 7.65dBi.
Fig. 8 is the radiation field three-dimensional figure of emulation gained omnidirectional antenna in 5.8GHz frequency range.
Chrominance sections different in figure is the numerical value of different antennae gain, and the unit of antenna gain is dBi.
As can be seen from the figure, when 5.8GHz frequency range, the peak gain of the antenna gain of emulation gained is about 4.12dBi.
Fig. 9 is the standing-wave ratio performance plot of emulation gained omnidirectional antenna in 2.4GHz frequency range.
Transverse axis in figure is the radiation frequency of omnidirectional antenna, and the longitudinal axis is the standing-wave ratio of omnidirectional antenna, and wherein the unit of antenna radiation frequencies is GHz.
As can be seen from the figure, when 2.4GHz frequency range, the antenna standing wave ratio of emulation gained is all less than 2.
Figure 10 is the standing-wave ratio performance plot of emulation gained omnidirectional antenna in 5.8GHz frequency range.
Transverse axis in figure is the radiation frequency of omnidirectional antenna, and the longitudinal axis is the standing-wave ratio of omnidirectional antenna, and wherein the unit of antenna radiation frequencies is GHz.
As can be seen from the figure, when 5.8GHz frequency range, the antenna standing wave ratio of emulation gained is all less than 1.6.
Figure 11 is emulation gained omnidirectional antenna in the isolation of 2.4GHz frequency range and return loss plot.
Transverse axis in figure is the radiation frequency of omnidirectional antenna, and the longitudinal axis is the isolation of omnidirectional antenna, and wherein the unit of antenna radiation frequencies is GHz, and the unit of isolation between antennas is dBi.
As can be seen from the figure, when 2.4GHz frequency range, the isolation between antennas of emulation gained is all less than-20dBi.
Figure 12 is emulation gained omnidirectional antenna in the isolation of 5.8GHz frequency range and return loss plot.
Transverse axis in figure is the radiation frequency of omnidirectional antenna, and the longitudinal axis is the isolation of omnidirectional antenna, and wherein the unit of antenna radiation frequencies is GHz, and the unit of isolation between antennas is dBi.
As can be seen from the figure, when 5.8GHz frequency range, the isolation between antennas of emulation gained is all less than-26dBi.
In sum, after the conducting medium layer etching of omnidirectional antenna has U-shaped defect grounding structure (U-aperture DGS), isolation when omnidirectional antenna is operated in two frequency ranges is all less than-20dBi, namely the absolute value of omnidirectional antenna isolation is all greater than 20dBi, and the isolation between antenna oscillator 30 is improved.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (18)
1. an omnidirectional antenna, comprising:
Substrate (10), (10) are provided with conducting medium layer with described substrate;
Riser (20), is arranged on described conducting medium layer;
Antenna oscillator (30), is arranged on described riser (20);
It is characterized in that, described conducting medium layer is provided with the groove (40) of the Electric Field Distribution for changing described antenna oscillator (30), described groove (40) comprises interconnective foundation trench (41) and extension slot, and described extension slot is arranged at least side of described foundation trench (41);
Wherein, described extension slot comprises kerve and is connected at least two straight troughs on described kerve, and the two ends of described kerve are all connected with described straight trough.
2. omnidirectional antenna according to claim 1, it is characterized in that, described groove (40) also comprises the link slot be arranged between described foundation trench (41) and described extension slot, and described kerve is connected to described link slot one end away from described foundation trench (41).
3. omnidirectional antenna according to claim 1, is characterized in that, described groove (40) is arranged on the one or both sides of the junction of described substrate (10) and described riser (20).
4. omnidirectional antenna according to claim 1, it is characterized in that, described foundation trench (41) is yi word pattern groove, junction along described substrate (10) and described riser (20) extends, a long limit of described foundation trench (41) overlaps with a long limit of described riser (20), and the minor face of described foundation trench (41) extends along the direction deviating from described riser (20).
5. omnidirectional antenna according to claim 2, it is characterized in that, described extension slot comprises the first extension slot (42) and the second extension slot (43), described link slot comprises the first link slot (44) and the second link slot (45), described first extension slot (42) is connected with described foundation trench (41) with the second link slot (45) respectively by described first link slot (44) with described second extension slot (43), and the length of described first link slot (44) is less than the length of described second link slot (45).
6. omnidirectional antenna according to claim 5, it is characterized in that, described first link slot (44) is all vertical with described foundation trench (41) with described second link slot (45), described first link slot (44) is equal with the width of described second link slot (45), and described first link slot (44) and described second link slot (45) are oppositely arranged on the both sides of described foundation trench (41).
7. omnidirectional antenna according to claim 5, is characterized in that, the width of described foundation trench (41) is greater than the width of described first link slot (44) and described second link slot (45).
8. omnidirectional antenna according to claim 5, it is characterized in that, described first extension slot (42) comprises the first straight trough (47) and the first kerve (46), described second extension slot (42) comprises the second straight trough (48) and the second kerve (49), described first straight trough (47) is perpendicular to described first kerve (46), and the bearing of trend of described at least two the first straight troughs (47) is identical, described second straight trough (49) is perpendicular to described second kerve (48), and the bearing of trend of described at least two the second straight troughs (49) is identical.
9. omnidirectional antenna according to claim 8, is characterized in that, described first extension slot (42) and described second extension slot (43) are U-lag, and the opening of described U-lag is towards the direction deviating from described riser (20).
10. omnidirectional antenna according to claim 9, it is characterized in that, the width of described first kerve (46) is greater than the width of described first link slot (44), and the width of described second kerve (48) is greater than the width of described second link slot (45).
11. omnidirectional antennas according to claim 1, it is characterized in that, described riser (20) is intersect two that arrange, and the described antenna oscillator (30) on each described riser (20) comprises two first day linear oscillators (31) and is arranged on the second antenna oscillator (32) between described two first day linear oscillators (31).
12. omnidirectional antennas according to claim 11, is characterized in that, the spacing between described second antenna oscillator (32) with two described first day linear oscillators (31) is equal.
13. omnidirectional antennas according to claim 11, it is characterized in that, described second antenna oscillator (32) is arranged on the top, middle part of described riser (20), and described two first day linear oscillators (31) are arranged on the bottom of described riser (20) symmetrically.
14. omnidirectional antennas according to claim 11, it is characterized in that, the described groove (40) of a corresponding described riser (20) is two, and described two grooves (40) are arranged with described two first day linear oscillator (31) one_to_one corresponding of this described riser (20).
15. omnidirectional antennas according to claim 11, it is characterized in that, the bottom of described riser (20) is provided with conducting strip (50), described conducting strip (50) is positioned between described first day linear oscillator (31) and described groove (40), and is connected with described conducting medium layer.
16. omnidirectional antennas according to claim 11, is characterized in that, described first day linear oscillator (31) is monopole antenna oscillator, and described second antenna oscillator (32) is dipole antenna oscillator.
17. omnidirectional antennas according to claim 11, is characterized in that, two described risers (20) are all vertical with described substrate (10) to be arranged, and the crossing angle of described two risers (20) is 90 degree.
18. omnidirectional antennas according to claim 1, is characterized in that, the position of described groove (40) on described conducting medium layer is near the corresponding projected position of described antenna oscillator (30) on described conducting medium layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520162410.6U CN204441477U (en) | 2015-03-20 | 2015-03-20 | Omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520162410.6U CN204441477U (en) | 2015-03-20 | 2015-03-20 | Omnidirectional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441477U true CN204441477U (en) | 2015-07-01 |
Family
ID=53609302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520162410.6U Active CN204441477U (en) | 2015-03-20 | 2015-03-20 | Omnidirectional antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204441477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450797A (en) * | 2015-08-06 | 2017-02-22 | 启碁科技股份有限公司 | Antenna system |
-
2015
- 2015-03-20 CN CN201520162410.6U patent/CN204441477U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450797A (en) * | 2015-08-06 | 2017-02-22 | 启碁科技股份有限公司 | Antenna system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104103897B (en) | A kind of compact ultra-wideband antenna based on L-type parasitism band | |
| CN104466418A (en) | Magnetic-field-adjustable half-mode substrate integrated waveguide antenna | |
| Ghosh et al. | Miniaturization of slot antennas using wire loading | |
| US20110032155A1 (en) | Antenna device | |
| CN203760653U (en) | Small multiband electromagnetic band gap structure | |
| CN102544713B (en) | Frequency-reconfigurable ultra broad band antenna based on planar bi-layer section electromagnetic slit structure | |
| CN107799892B (en) | Super-surface magnetoelectric dipole antenna with stacked dielectric plates | |
| CN103311661A (en) | Fractal ultra-wideband trap antenna with C band suppression function | |
| Feng et al. | A dual-wideband double-layer magnetoelectric dipole antenna with a modified horned reflector for 2G/3G/LTE applications | |
| CN103500883B (en) | Broadband substrate integrated waveguide circularly polarized antenna | |
| CN211578982U (en) | Novel double-layer multi-frequency broadband microstrip antenna | |
| CN105789876A (en) | Compact type ultra-wideband antenna based on parasitic strip | |
| CN204668463U (en) | Omnidirectional antenna | |
| CN102170043A (en) | Wireless terminal and antenna thereof | |
| CN110112549A (en) | A kind of three frequency dual polarized antenna of differential feed | |
| US20110291902A1 (en) | Wideband l-shaped circular polarized monopole slot antenna | |
| CN204441477U (en) | Omnidirectional antenna | |
| CN204680752U (en) | Omnidirectional antenna | |
| CN204696238U (en) | Omnidirectional antenna | |
| CN102800953B (en) | Indirect feed type omnidirectional printed antenna with radiant load | |
| CN104681949A (en) | Dual-notch UWB (ultra wide band) antenna based on Mushroom-EBG (electromagnetic band gap) structure | |
| Parvez et al. | Miniaturization of slot antenna using meander slits | |
| CN104577343A (en) | Compact dual-circular-polarization RFID (radio frequency identification) microstrip antenna | |
| CN203910961U (en) | Omnidirectional antenna | |
| CN201741806U (en) | Low temperature co-fired ceramic (LTCC) electric small-integrated antenna for radio frequency (RF) front end system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN GUANGQI INTELLIGENT PHOTONICS TECHNOLOGY Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INNOVATION TECHNOLOGY CO., LTD. Effective date: 20150702 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150702 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Patentee after: Shenzhen Guang Qi intelligent photonic Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210415 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 518000 Guangdong, Shenzhen, Futian District, Shennan Road and colored field road intersection C East Block New World Plaza 2007-27 Patentee before: KUANG-CHI INTELLIGENT PHOTONIC TECHNOLOGY Ltd. |