CN209104354U - A kind of NVIS vehicle shortwave antenna without blind area - Google Patents
A kind of NVIS vehicle shortwave antenna without blind area Download PDFInfo
- Publication number
- CN209104354U CN209104354U CN201822263972.6U CN201822263972U CN209104354U CN 209104354 U CN209104354 U CN 209104354U CN 201822263972 U CN201822263972 U CN 201822263972U CN 209104354 U CN209104354 U CN 209104354U
- Authority
- CN
- China
- Prior art keywords
- radiator
- plastic feet
- plastic
- blind area
- nvis
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of NVIS vehicle shortwave antenna without blind area, including plastic feet, the plastic feet is set as ellipse, and plastic feet is internally provided with oval groove, ring radiation body is fixedly connected on the inner wall of the oval groove, the interior bottom of the plastic feet is fixedly connected with metal mesh, the top of the metal mesh is fixedly connected with the first radiator, second radiator and third radiator, the inside center of the plastic feet offers cable-through hole, and the interior bottom of plastic feet is through being connected with hollow posts, the inside of the plastic feet is fixedly installed with automatic day tune, the automatic day tune is connect by the second cable with the second radiator, the top of the plastic feet is fixedly installed with plastic protection shell by the second bolt.This antenna integral radiation area forms semiellipse overlay structure, radiationless blind area；Make full use of plastic feet with the inner space of plastic protection shell, it is small in size, it is beautiful and generous, it is suitable for vehicle-mounted installation.
Description
Technical field
The utility model relates to car antenna technical field, specially a kind of NVIS vehicle shortwave antenna without blind area.
Background technique
Antenna is a kind of converter, it is transformed into the guided wave propagated on transmission line (usually free in unbounded medium
Space) in the electromagnetic wave propagated, or carry out opposite transformation.It is used to emit or receive the portion of electromagnetic wave in wireless device
Part.The engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, it is all to utilize electricity
Magnetic wave transmits information, depends on antenna to work.In addition, in terms of transmitting energy with electromagnetic wave, the energy of non-signal
Amount radiation is also required to antenna.
Antenna applications are relatively broad, wherein it is vehicle-mounted it is upper be generally NVIS short-wave antenna, however the day on general automobile
Line is mounted on the top of automobile mostly, is arranged to the fin shape of attractive appearance.This structure causes the small volume of antenna, spoke
Penetrating area can not extend, blind area easy to form.It would therefore be desirable to propose the NVIS vehicle shortwave of compound fin structure a kind of without
Blind area antenna.
Utility model content
The purpose of this utility model is to provide a kind of NVIS vehicle shortwave antenna without blind area, this antenna integral radiation areas
Form semiellipse overlay structure, radiationless blind area；Make full use of plastic feet with the inner space of plastic protection shell, volume
It is small, it is beautiful and generous, it is suitable for vehicle-mounted installation, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of NVIS vehicle shortwave antenna without blind area,
Including plastic feet, the plastic feet is set as ellipse, and plastic feet is internally provided with oval groove, the oval groove
Inner wall on be fixedly connected with ring radiation body, the interior bottom of the plastic feet is fixedly connected with metal mesh, the metal mesh
Top be fixedly connected with the first radiator, the second radiator and third radiator, the inside center of the plastic feet opens up
There is cable-through hole, and the interior bottom of plastic feet, through hollow posts are connected with, the inside of the plastic feet is fixedly installed with automatically
It is adjusted, and the automatic day tune is connect by the second cable with the second radiator, and the top of the plastic feet passes through the second bolt
It is fixedly installed with plastic protection shell.
Preferably, first radiator, the second radiator and third radiator are staggered in parallel, and the first radiation
Body, the second radiator and third radiator are arc bar shaped radiator.
Preferably, the ring radiation body is oval ring radiator, and the lower part of ring radiation body is connect with metal mesh,
The metal mesh is aluminium net.
Preferably, the bottom of the plastic feet is fixedly connected with rubber heelpiece, and the top of the plastic feet offers
Convenient for the threaded hole of the second bolt installation.
Preferably, the side of the automatic day tune is connected with the first cable, and first cable is through cable-through hole.
Preferably, the inside of the hollow posts is equipped with the first bolt, and the lower end of first bolt extends to plastic bottom
The lower part of seat, and the first bolt is equipped with nut.
Compared with prior art, the utility model has the beneficial effects that
1, by the design of the first radiator, the second radiator, third radiator and ring radiation body, this antenna is whole
Swept area forms semiellipse overlay structure, radiationless blind area；
2, the plastic feet showing ellipsoidal structure of this antenna is more coincide, sufficiently with common fin shape car antenna
It is small in size using plastic feet with the inner space of plastic protection shell, it is beautiful and generous, it is suitable for vehicle-mounted installation.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of the utility model；
Fig. 2 is the inside top structural schematic diagram of the utility model plastic feet；
Fig. 3 is the side structure schematic view of the second radiator of the utility model.
In figure: 1 rubber heelpiece, 2 plastic feets, 3 plastic protection shells, 4 first bolts, 5 first cables, 6 nuts, 7
Two bolts, 8 automatic day tune, 9 threaded holes, 10 hollow posts, 11 first radiators, 12 ring radiation bodies, 13 second radiators, 14 gold medals
Belong to net, 15 third radiators, 16 cable-through holes, 17 second cables.
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 describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: the NVIS vehicle shortwave antenna without blind area, including
Plastic feet 2, the plastic feet 2 are set as ellipse, and plastic feet 2 is internally provided with oval groove, the oval groove
Inner wall on be fixedly connected with ring radiation body 12, the interior bottom of the plastic feet 2 is fixedly connected with metal mesh 14, the gold
The top for belonging to net 14 is fixedly connected with the first radiator 11, the second radiator 13 and third radiator 15, the plastic feet 2
Inside center offers cable-through hole 16, and the interior bottom of plastic feet 2 is through being connected with hollow posts 10, the plastic feet 2
Inside is fixedly installed with automatic day tune 8, and the automatic day tune 8 is connect by the second cable 17 with the second radiator 13, the modeling
The top of material pedestal 2 is fixedly installed with plastic protection shell 3 by the second bolt 7.
Specifically, first radiator 11, the second radiator 13 and third radiator 15 are staggered in parallel, and the
One radiator 11, the second radiator 13 and third radiator 15 are arc bar shaped radiator.Pass through the first radiator 11, the second spoke
The 12 elliptical irradiation structure of stroke class of beam 13, third radiator 15 and elliptical ring radiation body, non-blind area.
Specifically, the ring radiation body 12 is oval ring radiator, and the lower part of ring radiation body 12 and metal mesh
14 connections, the metal mesh 14 are aluminium net.Ring radiation body 12 is connect with metal mesh 14, further expansion swept area.
Specifically, the bottom of the plastic feet 2 is fixedly connected with rubber heelpiece 1, the top of the plastic feet 2 is opened up
There is the threaded hole 9 convenient for the installation of the second bolt 7.It is convenient for being sealingly mounted at the top of automobile by rubber heelpiece 1.
Specifically, (automatic day tune 8 is the standing component of car antenna to the automatic day tune 8, belongs to the prior art, this case
Do not describe excessively) side be connected with the first cable 5, first cable 5 is through cable-through hole 16.Just by cable-through hole 16
It passes through in the first cable 5 and is connect with automotive interior.
Specifically, the inside of the hollow posts 10 is equipped with the first bolt 4, the lower end of first bolt 4 extends to modeling
Expect the lower part of pedestal 2, and the first bolt 4 is equipped with nut 6.By the design of the first bolt 4, convenient for plastic feet 2 is installed
In automobile top.
Structural principle: this antenna passes through the first radiator 11, the second radiator 13, third radiator 15 and annular spoke
The design of beam 12, this antenna integral radiation area form semiellipse overlay structure, radiationless blind area；The plastic feet of this antenna
2 showing ellipsoidal structures, with common fin shape car antenna more coincide, make full use of plastic feet 2 with plastic protection outside
The inner space of shell 3, it is small in size, it is beautiful and generous, it is suitable for vehicle-mounted installation.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of NVIS vehicle shortwave antenna without blind area, including plastic feet (2), it is characterised in that: the plastic feet (2) sets
It is set to ellipse, and plastic feet (2) is internally provided with oval groove, and annular spoke is fixedly connected on the inner wall of the oval groove
The interior bottom of beam (12), the plastic feet (2) is fixedly connected with metal mesh (14), and the top of the metal mesh (14) is fixed
It is connected with the first radiator (11), the second radiator (13) and third radiator (15), the inside center of the plastic feet (2)
It offers cable-through hole (16), and the interior bottom of plastic feet (2) is through being connected with hollow posts (10), the plastic feet (2)
Inside is fixedly installed with automatic day tune (8), and the automatic day tune (8) is connected by the second cable (17) and the second radiator (13)
It connects, the top of the plastic feet (2) is fixedly installed with plastic protection shell (3) by the second bolt (7).
2. a kind of NVIS vehicle shortwave antenna without blind area according to claim 1, it is characterised in that: first radiator
(11), the second radiator (13) and third radiator (15) are staggered in parallel, and the first radiator (11), the second radiator
(13) and third radiator (15) is arc bar shaped radiator.
3. a kind of NVIS vehicle shortwave antenna without blind area according to claim 1, it is characterised in that: the ring radiation body
It (12) is oval ring radiator, and the lower part of ring radiation body (12) is connect with metal mesh (14), the metal mesh (14) is
Aluminium net.
4. a kind of NVIS vehicle shortwave antenna without blind area according to claim 1, it is characterised in that: the plastic feet
(2) bottom is fixedly connected with rubber heelpiece (1), and the top of the plastic feet (2) offers convenient for the second bolt (7) installation
Threaded hole (9).
5. a kind of NVIS vehicle shortwave antenna without blind area according to claim 1, it is characterised in that: the automatic day tune
(8) side is connected with the first cable (5), and first cable (5) is through cable-through hole (16).
6. a kind of NVIS vehicle shortwave antenna without blind area according to claim 1, it is characterised in that: the hollow posts (10)
Inside be equipped with the first bolt (4), the lower end of first bolt (4) extends to the lower part of plastic feet (2), and the first spiral shell
Bolt (4) is equipped with nut (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822263972.6U CN209104354U (en) | 2018-12-31 | 2018-12-31 | A kind of NVIS vehicle shortwave antenna without blind area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822263972.6U CN209104354U (en) | 2018-12-31 | 2018-12-31 | A kind of NVIS vehicle shortwave antenna without blind area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209104354U true CN209104354U (en) | 2019-07-12 |
Family
ID=67163618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822263972.6U Expired - Fee Related CN209104354U (en) | 2018-12-31 | 2018-12-31 | A kind of NVIS vehicle shortwave antenna without blind area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209104354U (en) |
-
2018
- 2018-12-31 CN CN201822263972.6U patent/CN209104354U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20201231 |