CN208738440U - A kind of directional aerial - Google Patents
A kind of directional aerial Download PDFInfo
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- CN208738440U CN208738440U CN201821320954.0U CN201821320954U CN208738440U CN 208738440 U CN208738440 U CN 208738440U CN 201821320954 U CN201821320954 U CN 201821320954U CN 208738440 U CN208738440 U CN 208738440U
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- substrate
- reflecting plate
- directional aerial
- hole
- dipole
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Abstract
The utility model discloses a kind of directional aerial, comprising: first substrate is equipped with active dipole；The second substrate, is equipped with multiple director dipoles, and the director dipole is set to above the active dipole and is arranged successively setting along the vertical direction；And reflecting plate, the lower section of the first substrate is set parallel；The reflecting plate is fixed in the lower end of the second substrate；One end of the first substrate is connected to the second substrate, and supporting element is equipped between the first substrate and the reflecting plate.Technical solutions of the utility model can improve its directionality while realizing antenna high-gain.
Description
Technical field
The utility model relates to directional antenna technique field, in particular to a kind of directional aerial.
Background technique
With the development of wireless product, people are more and more wider to WIFI signal demand, want to WIFI antenna appearance and performance
Ask higher and higher.When carrying out sending and receiving signal, need a kind of area coverage wide, receptivity will be stablized, and signal penetration power is strong
Antenna, especially in the environment of the spaces such as subway tunnel, cavern more limit, it is desirable to provide high-gain and directionality is stronger
Directional aerial.
Utility model content
The main purpose of the utility model is to propose a kind of directional aerial, it is intended to improve it while realizing antenna high-gain
Directionality.
To achieve the above object, the utility model proposes directional aerial, comprising:
First substrate is equipped with active dipole；
The second substrate, is equipped with multiple director dipoles, and the director dipole is set to the active dipole top and vertically side
It is arranged to being arranged successively；And
The lower section of the first substrate is arranged in reflecting plate parallel；
The reflecting plate is fixed in the lower end of the second substrate；
One end of the first substrate is connected to the second substrate, and sets between the first substrate and the reflecting plate
There is supporting element.
Preferably, the second substrate bottom end is convexly equipped with weld part, and the reflecting plate corresponds to the weld part and is equipped with welding
Hole, the second substrate are welded in the reflecting plate.
Preferably, the supporting element is set as support column, and the upper and lower ends of the support column are equipped with snapping convex block, institute
It states first substrate and corresponds to the snapping convex block of the upper end and be equipped with upper buttonhole, the reflecting plate corresponds to the snapping convex block of the lower end
Equipped with lower buttonhole.
Preferably, one end that the first substrate connects the second substrate is equipped with protruding portion, and the second substrate is corresponding
The protruding portion is equipped with connecting hole, and the protruding portion is plugged in the connecting hole.
Preferably, multiple director dipoles are arranged at intervals in the second substrate, and are drawn described in arbitrary neighborhood two
It is gradually increased to the spacing of oscillator in the direction far from the active dipole.
Preferably, the second substrate with a thickness of 1 millimeter, altitude range is 162.8~163.2 millimeters, and width is
24.8~25.2 millimeters.
Preferably, the active dipole and the immediate director dipole in the vertical direction at a distance from be 0.2 times of work
Working frequency wavelength, the active dipole and the reflecting plate in the vertical direction at a distance from be 0.5 times of operating frequency wavelength.
Preferably, the directional aerial is additionally provided with CA cable assembly, and the reflecting plate corresponds to the feeding point of the active dipole
Equipped with cable-through hole, the CA cable assembly includes that the coaxial connector being installed under the reflecting plate and one end connection are described coaxial
Connector, the other end wear the cable-through hole and connect the coaxial cable of the active dipole feeding point.
Preferably, the directional aerial is additionally provided with outer cover and pedestal, and the outer edge of the pedestal is equipped with annular fixing groove, institute
The lower end for stating outer cover is plugged and fixed in the annular fixing groove.
Preferably, the periphery of the reflecting plate is overlapped in the internal ring wall upper end of the annular fixing groove, and the reflecting plate
On be additionally provided with fixation hole, the pedestal corresponds to the fixation hole equipped with screw hole, wears the screw hole and the fixation by stud
The reflecting plate is mounted in the pedestal by hole, stud described in nut check on the reflecting plate.
On the one hand technical solutions of the utility model pass through will be equipped with the setting of multiple director dipoles on active dipole, can reinforce
The gain of the directional aerial；On the other hand supporting element is also had additional, in order to debug by the supporting element for replacing different height
Spacing between active dipole and reflecting plate, so that the directionality of the directional aerial is even more ideal.
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 directional aerial；
Fig. 2 is the cross-sectional view in Fig. 1 along A-A；
Fig. 3 is the structural schematic diagram of the second substrate in Fig. 1；
Fig. 4 is the structural schematic diagram of first substrate in Fig. 1；
Fig. 5 is the structural schematic diagram of reflecting plate in Fig. 1；
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | First substrate | 11 | Active dipole |
| 111 | Feeding point | 12 | Protruding portion |
| 13 | Upper buttonhole | 2 | The second substrate |
| 21 | Director dipole | 22 | Connecting hole |
| 23 | Weld part | 3 | Reflecting plate |
| 31 | Welding hole | 32 | Lower buttonhole |
| 33 | Fixation hole | 34 | Metallic reflector |
| 35 | Cable-through hole | 4 | Supporting element |
| 5 | Outer cover | 6 | Pedestal |
| 60 | Screw hole | 61 | Annular fixing groove |
| 62 | Stud | 7 | Coaxial connector |
| 8 | Coaxial cable |
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.In addition, the meaning of the "and/or" occurred in full text is, and including three schemes arranged side by side, by taking " A and/or B " as an example,
The scheme met simultaneously including A scheme or B scheme or A and B.In addition, the technical solution between each embodiment can be mutual
In conjunction with, but must be based on can be realized by those of ordinary skill in the art, when mutual lance occurs in the combination of technical solution
Shield or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the protection scope of the requires of the utility model
Within.
The utility model proposes a kind of directional aerials.
In the utility model embodiment, as shown in Figures 1 to 5, which includes:
First substrate 1 is equipped with active dipole 11；
The second substrate 2, is equipped with multiple director dipoles 21, and director dipole 21 is set to the top of active dipole 11 and along the vertical direction
It is arranged successively setting；And
The lower section of first substrate 1 is arranged in reflecting plate 3 parallel；
Reflecting plate 3 is fixed in the lower end of the second substrate 2；
One end of first substrate 1 is connected to the second substrate 2, and supporting element is equipped between the first substrate 1 and reflecting plate 3
4。
On the one hand technical solutions of the utility model pass through will be equipped with the setting of multiple director dipoles 21 on active dipole 11,
It can reinforce the gain of the directional aerial；On the other hand supporting element 4 is also had additional, in order to pass through the supporting element of replacement different height
4 debug the spacing between active dipole 11 and reflecting plate 3, so that the directionality of the directional aerial is even more ideal.
Wherein, in the present embodiment, active dipole 11 uses half-wave doublet, half-wave doublet spoke with higher
Efficiency is penetrated, and receives and dispatches performance and stablizes.
Further, in the present embodiment, the second substrate 2 is fixedly welded on reflecting plate 3, can make the installation of the second substrate 2
More firm, 2 bottom end of the second substrate is convexly equipped with weld part 23, and the corresponding weld part 23 of reflecting plate 3 is equipped with welding hole 31, weld part 23
It is plugged in welding hole 31, so that the second substrate 2 and the welding of reflecting plate 3 are relatively reliable.
Further, in the present embodiment, referring in particular to Fig. 2, supporting element 4 is detachably secured to first substrate 1 and reflection
Between plate 3, specifically, supporting element 4 is set as support column, and the upper and lower ends of the support column are equipped with snapping convex block, and first
The snapping convex block of the corresponding upper end of substrate 1 is equipped with upper buttonhole 13, and the snapping convex block of the corresponding lower end of reflecting plate 3 is equipped with lower button
Connect hole 32.
Alternatively, being equipped with through-hole up and down in other embodiments, in supporting element 4, upper buttonhole is worn by screw
13, through-hole and lower buttonhole 32, first substrate 1 is locked on the support 4；First substrate 1 is another far from upper buttonhole 13
One end is equipped with protruding portion 12, and the corresponding protruding portion 12 of the second substrate 2 is equipped with connecting hole 22, and protruding portion 12 is inserted in connecting hole 22, the
One end face of one substrate 1 is connected in the second substrate 2.In this way, 1 one end of first substrate is plugged and fixed in the second substrate 2, the other end
Nail catcher it is fixed on the support 4, it can be achieved that first substrate 1 be parallel to reflecting plate 3, perpendicular to the second substrate 2 setting to improve
Radiation scope on vertically and horizontally.First substrate 1 is installed detachably, debugging easy to repair.
Further, in the present embodiment, first substrate 1, the second substrate 2, reflecting plate 3 are disposed as pcb board, active
Oscillator 11, director dipole 21 are paster vibrator that is built-in and running through pcb board, so can manufacture the first base by printing rapid batch
Plate 1, the second substrate 2, reflecting plate 3.
Further, in the present embodiment, multiple to guide into for the performance of further manufacture easy to produce and debugging antenna
The size of oscillator 21 is all the same, and is arranged at intervals in the second substrate 2, and the spacing of each adjacent two director dipole 21 is separate
The direction of active dipole 11 is gradually increased, can be according to the big of the standing wave setting interval that active dipole 11 and director dipole 21 generate
It is small to be lost with reducing standing wave, improve the radiation efficiency of the directional aerial.Specifically, in the present embodiment, active dipole 11 is arranged
For a half-wave doublet, director dipole 21 is provided with 12, not only can increase frequency bandwidth, and make the directional aerial can
Reach the high-gain of 12dBi.
Further, in the present embodiment, it will be understood that by reflecting plate 3,11 half of active dipole can be blocked
Radiation improves directionality so that radiation is concentrated.Reflecting plate 3 is reflecting surface towards the face of active dipole 11, and reflecting surface has in face
The region of source oscillator 11 is covered with metallic reflector 34, and metallic reflector 34 is preferably arranged to layers of copper.Certainly, in other embodiments
In, the coats of metal such as aluminium, magnesium can also be set as.
Further, in the present embodiment, referring in particular to Fig. 2, directional aerial is additionally provided with outer cover 5 and pedestal 6, pedestal 6
Outer edge is equipped with annular fixing groove 61, and the lower end of outer cover 5 is plugged and fixed in annular fixing groove 61.Outer cover 5 and pedestal 6 are constituted
The shell of the directional aerial plays the role of sealing waterproof.
Further, in the present embodiment, directional aerial is additionally provided with CA cable assembly, the corresponding active dipole 11 of reflecting plate 3
Feeding point 111 is equipped with cable-through hole 35, removes from and needs to go to be routed around reflecting plate 3, simplifies wire structures, avoids increasing alignment day
The size of line.CA cable assembly includes that the coaxial connector 7 for being installed on pedestal 6 and one end connection coaxial connector 7, the other end are worn
If cable-through hole 35 and the coaxial cable 8 for connecting 11 feeding point 111 of active dipole, it will be understood that led in general coaxial cable 8
Body is feed line, and outer conductor is ground line.The coaxial connector 7 being fixedly mounted on pedestal 6 plays the fixed function to cable,
And play the role of sealing the alignment antenna base 6, specifically, coaxial connector 7 is preferably N-K type connector.
Further, in the present embodiment, the working frequency of the directional aerial is in the region 5.15GHz~5.85GHz.
In the present embodiment, half-wave doublet is symmetrically raised one's arm including two, and each brachium is 0.25 times of work frequency
Rate wavelength, and this two settings that partly overlap connecting with coaxial cable 8 of symmetrically raising one's arm, one raises one's arm set on first substrate 1
Upper surface is connect with the feed line of coaxial cable 8, another the raise one's arm lower surface set on first substrate and ground connection with coaxial cable 8
Line connection.The length of each director dipole 21 is 0.35 times of operating frequency wavelength, and the length range of metallic reflector 34 is big
In 0.5 times of operating frequency wavelength and less than 1 times operating frequency wavelength.
Further, in the present embodiment, active dipole 11 and immediate director dipole 21 in the vertical direction away from
From for 0.2 times of operating frequency wavelength, active dipole 11 and reflecting plate 3 in the vertical direction at a distance from be 0.5 times of working frequency wave
It is long, it can preferably increase the gain of antenna.
Specifically, in the present embodiment, the thickness of first substrate 1, the second substrate 2, reflecting plate 3 is at 1 millimeter or so；The
The peripheral lengths of one substrate 1 are 26.50 millimeters, width is 25.00 millimeters, and the height of the second substrate 2 is 163 millimeters, width is
25 millimeters, the length and width of reflecting plate 3 is 56.00 millimeters, and length and width, the tolerance of height are 0.2 millimeter.By setting
An active dipole 11 and the relatively small director dipole 21 of multiple sizes are set, reaching can also be arranged while improving gain effect
At the relatively small directional aerial of size.
Further, in the present embodiment, the periphery of reflecting plate 3 is overlapped in the internal ring wall upper end of circumferential fixing groove 61, and
Fixation hole 33 is additionally provided on reflecting plate 3, the correspondence fixation hole 33 of pedestal 6 is equipped with screw hole 60, wears screw hole 60 by stud 62 and consolidate
Determine hole 33, nut locks stud 62 on reflecting plate 3, reflecting plate 3 is mounted in pedestal 6, in this way, this is fixed for simple realization
Firm installation to antenna-reflected plate 3.
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 directional aerial characterized by comprising
First substrate is equipped with active dipole；
The second substrate, is equipped with multiple director dipoles, the director dipole be set to above the active dipole and along the vertical direction according to
It is secondary to be arranged；And
The lower section of the first substrate is arranged in reflecting plate parallel；
The reflecting plate is fixed in the lower end of the second substrate；
One end of the first substrate is connected to the second substrate, and branch is equipped between the first substrate and the reflecting plate
Support member.
2. directional aerial as described in claim 1, which is characterized in that the second substrate bottom end is convexly equipped with weld part, described
Reflecting plate corresponds to the weld part equipped with welding hole, and the second substrate is welded in the reflecting plate.
3. directional aerial as described in claim 1, which is characterized in that the supporting element is set as support column, and the support
The upper and lower ends of column are equipped with snapping convex block, and the snapping convex block that the first substrate corresponds to the upper end is equipped with upper buttonhole, institute
It states reflecting plate and corresponds to the snapping convex block of the lower end equipped with lower buttonhole.
4. directional aerial as described in claim 1, which is characterized in that the first substrate connects one end of the second substrate
Equipped with protruding portion, the second substrate corresponds to the protruding portion equipped with connecting hole, and the protruding portion is plugged in the connecting hole.
5. directional aerial as described in claim 1, which is characterized in that multiple director dipoles are arranged at intervals at described second
In substrate, and the spacing of two director dipoles of arbitrary neighborhood is gradually increased in the direction far from the active dipole.
6. directional aerial as described in claim 1, which is characterized in that the second substrate with a thickness of 1 millimeter, altitude range
It is 162.8~163.2 millimeters, width is 24.8~25.2 millimeters.
7. directional aerial as described in claim 1, which is characterized in that the active dipole and the immediate director dipole
Distance in the vertical direction is 0.2 times of operating frequency wavelength, and the active dipole and the reflecting plate are in the vertical direction
Distance is 0.5 times of operating frequency wavelength.
8. directional aerial as described in claim 1, which is characterized in that the directional aerial is additionally provided with CA cable assembly, described anti-
Penetrate plate correspond to the active dipole feeding point be equipped with cable-through hole, the CA cable assembly include be installed on it is same under the reflecting plate
Mandrel connector and one end connect the coaxial connector, the other end wears the cable-through hole and connect the active dipole feed
The coaxial cable of point.
9. directional aerial as claimed in any one of claims 1 to 8, which is characterized in that the directional aerial be additionally provided with outer cover and
The outer edge of pedestal, the pedestal is equipped with annular fixing groove, and the lower end of the outer cover is plugged and fixed in the annular fixing groove.
10. directional aerial as claimed in claim 9, which is characterized in that it is solid that the periphery of the reflecting plate is overlapped in the annular
Determine the internal ring wall upper end of slot, and be additionally provided with fixation hole on the reflecting plate, the pedestal corresponds to the fixation hole equipped with screw hole, leads to
It crosses stud and wears the screw hole and the fixation hole, stud described in nut check pacifies the reflecting plate on the reflecting plate
Dress is fixed in the pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320954.0U CN208738440U (en) | 2018-08-16 | 2018-08-16 | A kind of directional aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320954.0U CN208738440U (en) | 2018-08-16 | 2018-08-16 | A kind of directional aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208738440U true CN208738440U (en) | 2019-04-12 |
Family
ID=66029899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821320954.0U Active CN208738440U (en) | 2018-08-16 | 2018-08-16 | A kind of directional aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208738440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117293517A (en) * | 2023-11-07 | 2023-12-26 | 福州岱云科技有限公司 | Tunnel base station antenna mount pad and antenna system |
-
2018
- 2018-08-16 CN CN201821320954.0U patent/CN208738440U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117293517A (en) * | 2023-11-07 | 2023-12-26 | 福州岱云科技有限公司 | Tunnel base station antenna mount pad and antenna system |
| CN117293517B (en) * | 2023-11-07 | 2024-04-26 | 福州岱云科技有限公司 | Tunnel base station antenna mount pad and antenna system |
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