CN208849073U - Dual-band patch directional aerial - Google Patents
Dual-band patch directional aerial Download PDFInfo
- Publication number
- CN208849073U CN208849073U CN201821555964.2U CN201821555964U CN208849073U CN 208849073 U CN208849073 U CN 208849073U CN 201821555964 U CN201821555964 U CN 201821555964U CN 208849073 U CN208849073 U CN 208849073U
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- Prior art keywords
- dual
- directional aerial
- frequency
- corner cut
- band patch
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Abstract
The utility model discloses a kind of dual-band patch directional aerial, including reflecting plate, radiation patch and feed ground structure, wherein radiation patch and feed ground structure are set on reflecting plate, and the feed ground structure is located at the downside of the radiation patch；The radiation patch is equipped with the first corner cut and the second corner cut close to the side of the feed ground structure, and first corner cut and second corner cut are axisymmetricly arranged about the axis of the cable of the dual-band patch directional aerial.The dual-band patch directional aerial that the application proposes, has the characteristics that double-frequency broadband, can satisfy the requirement of antenna frequency of use.Further, since dual-band patch directional aerial uses the scheme of paster antenna, therefore the outer dimension of antenna can also be reduced.
Description
Technical field
The utility model relates to field of antenna, in particular to a kind of dual-band patch directional aerial.
Background technique
With the hair of the electronic technology such as semiconductor technology, monolithic integrated microwave circuit (MMIC) technology and computer technology
Exhibition, demand of the people to message transmission rate and bandwidth is higher and higher, this makes traditional low-frequency range frequency spectrum resource increasingly
It is nervous.Therefore, to the frequency spectrum resource of high band carry out develop and utilize have become the communications industry development there is an urgent need to.
Bandwidth and gain are to determine two most basic factors of antenna performance, and broadband character is conducive to antenna and is suitable for more
More occasions, high gain characteristics are conducive to energy needed for saving signal transmission.With sharply increasing for wireless traffic demand, low frequency
The frequency spectrum resource of section has been unable to satisfy the growing wireless traffic demand of people, therefore the frequency wirelessly communicated is gradually to millimeter
The transfer of wave frequency section.By its special characteristics of atmospheric transmission, it is widely narrow using frequency range and antenna beam the features such as,
Millimeter-wave technology has broad application prospect in fields such as communication, radar, guidance, remote sensing technology and radio astronomies.Millimeter wave
Antenna already becomes the trend of antenna of new generation.
In millimeter wave antenna design, broadband character and high gain characteristics are undoubtedly the target that people pursue.Broadband, can
So that the transmission rate of aerial radiation signal is high, power system capacity is big, while can also be improved the ability of anti-multipath jamming；Gao Zeng
Benefit, can greatly reduce the power of transmitting signal, while can also greatly increase the distance of signal transmission.Therefore, one is needed at present
Kind can be improved the antenna of frequency bandwidth.
Utility model content
The main purpose of the utility model is to propose a kind of dual-band patch directional aerial, it is intended to increase dual-band patch orientation day
The frequency bandwidth of line.
To achieve the above object, the utility model proposes dual-band patch directional aerial include reflecting plate；Radiation patch, if
In on the reflecting plate；Feed ground structure is set on the reflecting plate, and the feed ground structure is located at radiation patch
The downside of piece；The radiation patch is equipped with the first corner cut and the second corner cut close to the side of the feed ground structure, and described the
One corner cut and second corner cut are axisymmetricly arranged about the axis of the cable of the dual-band patch directional aerial.
Preferably, the edge of first corner cut and second corner cut is arc-shaped setting.
Preferably, the dual-band patch directional aerial further includes frequency tuning structure, and the frequency tuning structure is set to institute
It states on reflecting plate.
Preferably, the frequency tuning structure includes adjustment sheet, and one end of the adjustment sheet connects first corner cut, institute
The other end for stating adjustment sheet connects the feed ground structure.
Preferably, the frequency tuning structure further includes extension adjustment sheet, and the extension adjustment sheet is from second corner cut
It is extended to feed ground structure side.
Preferably, the frequency tuning structure further includes the frequency regulating part on the upside of the radiation patch, the frequency
Rate regulating part is extended forward from the reflecting plate.
Preferably, the square setting of the radiation patch.
Preferably, the dual-band patch directional aerial has first frequency and second frequency, and the first frequency is greater than institute
Second frequency is stated, the side length of the radiation patch is the 1/2 of the corresponding wavelength of the first frequency.
Preferably, the feed ground structure is aluminium sheet, and the feed ground structure is equipped with parasitic adjustment sheet.
Preferably, the cable is coaxial cable, is single at the coaxial cable and the feed of the feed ground structure
Face PCB copper-clad plate.
The utility model dual-band patch directional aerial includes reflecting plate, radiation patch and feed ground structure, wherein radiation
Patch and feed ground structure are set on reflecting plate, and the feed ground structure is located at the downside of the radiation patch；It is described
Radiation patch is equipped with the first corner cut and the second corner cut, first corner cut and described the close to the side of the feed ground structure
Two corner cuts are axisymmetricly arranged about the axis of the cable of the dual-band patch directional aerial.The dual-band patch that the application proposes is fixed
To antenna, have the characteristics that double-frequency broadband, can satisfy the requirement of antenna frequency of use.Further, since dual-band patch directional aerial
Using the scheme of paster antenna, therefore the outer dimension of antenna can also be reduced.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model dual-band patch directional aerial；
Fig. 2 is the side structure schematic view of Fig. 1.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Reflecting plate | 600 | Frequency regulating part |
| 200 | Radiation patch | 210 | First corner cut |
| 300 | Feed ground structure | 220 | Second corner cut |
| 400 | Cable | 230 | Extension adjustment sheet |
| 500 | Adjustment sheet |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of dual-band patch directional aerial, the frequency bandwidth of the dual-band patch directional aerial is significant
Increase.
In the utility model embodiment, as depicted in figs. 1 and 2, the dual-band patch directional aerial include reflecting plate 100,
Radiation patch 200 and feed ground structure 300, wherein radiation patch 200 and feed ground structure 300 are set to reflecting plate 100
On, the feed ground structure 300 is located at the downside of the radiation patch 200；The radiation patch 200 connects close to the feed
The side of ground structure 300 is equipped with the first corner cut 210 and the second corner cut 200, first corner cut 210 and second corner cut 200
The axis of cable 400 about the dual-band patch directional aerial is axisymmetricly arranged.
Since the radiation patch 200 of the dual-band patch directional aerial of the application proposition is equipped with the first corner cut 210 and second
Corner cut 200, therefore can satisfy the frequency of electric current, to increase frequency bandwidth.Further, since dual-band patch directional aerial uses
The scheme of paster antenna, therefore the outer dimension of antenna can be reduced.
Further, Fig. 1 is please referred to, it is contemplated that if the first corner cut 210 and the second corner cut 200 are arranged in sharp right angle,
Then variation of the electric current in radiation patch 200 is right angle variation, is the process of a mutation, will affect the radianting capacity of antenna.
In order to avoid influencing the radianting capacity of antenna, in the present embodiment, the edge of first corner cut 210 and second corner cut 200
Be arc-shaped setting, arc-shaped corner cut is rounder and more smooth, frequency point present continuity variation, generate a gentle transition without
Mutation can be generated, electric current can smoothly radiate into electromagnetic wave, so as to increase the impedance matching of antenna, improve the spoke of antenna
Ability is penetrated, therefore, when rounded variation is arranged in the first corner cut 210 of radiation patch 200 and the second corner cut 200, electric current is more
Gently, thus the variation of input impedance it is also more gentle, the impedance bandwidth of antenna is wider.
Further, please continue to refer to Fig. 1, in order to further increase frequency bandwidth, the dual-band patch directional aerial
It further include frequency tuning structure, the frequency tuning structure is set on the reflecting plate 100.Pass through the frequency tuning structure energy
Parasitic tuning electromagnetic wave is enough generated, multimode resonance is formed.
Specifically, in one embodiment of the application, the frequency tuning structure includes adjustment sheet 500, the adjustment sheet 500
One end connects first corner cut 210, and the other end of the adjustment sheet 500 connects the feed ground structure 300.
In another embodiment of the application, the frequency tuning structure further includes extension adjustment sheet 230, and the extension is adjusted
Piece 230 is extended from second corner cut 200 to 300 side of feed ground structure.Specifically, the extension adjustment sheet
230 be a part of radiation patch 200, and extension adjustment sheet 230 has the function of frequency adjustment.
In the application another embodiment, the frequency tuning structure further includes positioned at 200 upside of radiation patch
Frequency regulating part 600, the frequency regulating part 600 are extended forward from the reflecting plate 100.Due to the embodiment of the present application
In, the frequency tuning structure includes adjustment sheet 500, extension adjustment sheet 230 and frequency regulating part 600 simultaneously, therefore has frequency
The advantage that rate adjusting range is big, effect is good.
Further, please referring now still to Fig. 1, the square setting of the radiation patch 200, the side of the radiation patch 200
The 1/2 of the wavelength of frequency range high frequency points needed for a length of so, it is possible the size for reducing antenna.Specifically, the patch directional aerial
With first frequency and second frequency, the first frequency is greater than the second frequency, and the side length of the radiation patch 200 is institute
State the 1/2 of the corresponding wavelength of first frequency.Specifically, in the present embodiment, the range of the first frequency is 806-870MHz, institute
The range for stating second frequency is 380-870MHz.
Now the feed ground structure 300 is illustrated, the feed ground structure 300 is aluminium sheet, and the feed connects
Ground structure 300 is equipped with parasitic adjustment sheet.Specifically, the feed ground structure 300 is 0.5 times of wavelength of width, height 0.16
The aluminium sheet of times wavelength, the middle welding cable ground connection feed of aluminium sheet, and the middle of aluminium sheet introduces parasitic adjustment sheet 500, such as
This, can generate the effect of undesire frequency by the method for boundary loading condition.
Further, the cable 400 is coaxial cable, the feedback of the coaxial cable and the feed ground structure 300
Single side PCB copper-clad plate is used at electricity, so, it is possible to increase feeding point area, couple feed advantageously reduces input impedance, into
Row impedance matching.It should be noted that coaxial cable refers to there are two concentric conductor, and conductor and shielded layer share together
The cable in one axle center.
In conclusion the dual-band patch directional aerial that this application proposes, which passes through, rationally designs paster antenna, by symmetrical
Plane corner cut, the setting of corner cut circular arc, boundary loading condition increase the modes such as feeding point area couple feed, to realize to low frequency
Direction carries out widening resonance frequency 806MHZ, increases frequency bandwidth, while generating and answering needed for parasitic tuning frequency multiplication 380-400MHZ
With frequency, have the advantages that small in size, at low cost.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of dual-band patch directional aerial, which is characterized in that including
Reflecting plate；
Radiation patch is set on the reflecting plate；
Feed ground structure is set on the reflecting plate, and the feed ground structure is located at the downside of the radiation patch；
The radiation patch is equipped with the first corner cut and the second corner cut, first corner cut close to the side of the feed ground structure
Axis with second corner cut about the cable of the dual-band patch directional aerial is axisymmetricly arranged.
2. dual-band patch directional aerial as described in claim 1, which is characterized in that first corner cut and second corner cut
Edge be arc-shaped setting.
3. dual-band patch directional aerial as described in claim 1, which is characterized in that the dual-band patch directional aerial further includes
Frequency tuning structure, the frequency tuning structure are set on the reflecting plate.
4. dual-band patch directional aerial as claimed in claim 3, which is characterized in that the frequency tuning structure includes adjusting
Piece, one end of the adjustment sheet connect first corner cut, and the other end of the adjustment sheet connects the feed ground structure.
5. dual-band patch directional aerial as claimed in claim 4, which is characterized in that the frequency tuning structure further includes extending
Adjustment sheet, the extension adjustment sheet are extended from second corner cut to feed ground structure side.
6. dual-band patch directional aerial as described in claim 4 or 5, which is characterized in that the frequency tuning structure further includes
Frequency regulating part on the upside of the radiation patch, the frequency regulating part are extended forward from the reflecting plate.
7. dual-band patch directional aerial as claimed in claim 6, which is characterized in that the square setting of radiation patch.
8. dual-band patch directional aerial as claimed in claim 7, which is characterized in that the dual-band patch directional aerial has the
One frequency and second frequency, the first frequency are greater than the second frequency, and the side length of the radiation patch is first frequency
The 1/2 of the corresponding wavelength of rate.
9. dual-band patch directional aerial as described in claim 1, which is characterized in that the feed ground structure is aluminium sheet, institute
It states feed ground structure and is equipped with parasitic adjustment sheet.
10. dual-band patch directional aerial as described in claim 1, which is characterized in that the cable is coaxial cable, described same
It is single side PCB copper-clad plate at shaft cable and the feed of the feed ground structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555964.2U CN208849073U (en) | 2018-09-21 | 2018-09-21 | Dual-band patch directional aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555964.2U CN208849073U (en) | 2018-09-21 | 2018-09-21 | Dual-band patch directional aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208849073U true CN208849073U (en) | 2019-05-10 |
Family
ID=66373588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821555964.2U Expired - Fee Related CN208849073U (en) | 2018-09-21 | 2018-09-21 | Dual-band patch directional aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208849073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782957A (en) * | 2021-09-16 | 2021-12-10 | 上海磐启微电子有限公司 | Broadband dual-frequency WIFI patch antenna |
-
2018
- 2018-09-21 CN CN201821555964.2U patent/CN208849073U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782957A (en) * | 2021-09-16 | 2021-12-10 | 上海磐启微电子有限公司 | Broadband dual-frequency WIFI patch 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 |
Granted publication date: 20190510 Termination date: 20210921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |