CN107681248A - A kind of car antenna - Google Patents
A kind of car antenna Download PDFInfo
- Publication number
- CN107681248A CN107681248A CN201710843969.9A CN201710843969A CN107681248A CN 107681248 A CN107681248 A CN 107681248A CN 201710843969 A CN201710843969 A CN 201710843969A CN 107681248 A CN107681248 A CN 107681248A
- Authority
- CN
- China
- Prior art keywords
- oblique arm
- oblique
- arm
- expander bar
- parallel
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
- H01Q1/3216—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used where the road or rail vehicle is only used as transportation means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
Landscapes
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
The invention discloses a kind of car antenna, includes for the antenna case installed in roof, and the antenna case is interior to be provided with a single-polarized antennas；The single-polarized antennas includes a feeder pillar, and one end of feeder pillar is provided with feeder panel；Average gain 8.2dBi in passband is tested, and has very high degree of roll-offing in passband edges, Out-of-band rejection is adapted to car antenna to use more than 22dBi in very wide stopband.
Description
Technical field
The present invention relates to a kind of car antenna.
Background technology
At present, with the development of the communications industry, mobile communication turns into the most active and industry of future, also to people's
Life brings great convenience.And with the growth that the continuous growth of mobile subscriber's quantity and mobile subscriber need, oscillator
Antenna is then that people make great efforts a perfect direction, the wide variety of antenna, and the current direction difference of each antenna causes it
Electric property is widely different, therefore it is stable to design Out-of-band rejection rate and direction stabilization, communication performance in a very wide stopband
Oscillator member seem particularly significant；
The communication antenna being particularly applied on vehicle-mounted, it should the communication performance more possessed.
The content of the invention
It is an object of the invention to overcome disadvantages described above, there is provided a kind of car antenna.
To achieve the above object, concrete scheme of the invention is as follows：A kind of car antenna, include for being arranged on roof
Antenna case, is provided with a single-polarized antennas in the antenna case.
The single-polarized antennas includes a feeder pillar, and one end of feeder pillar is provided with feeder panel.
Wherein, feeder pillar is L-shaped, also includes the radiation subelement each extended over away from the vertical pole both sides of feeder pillar；
Each radiation subelement includes an extension rod, and the one end of the extension rod away from feeder pillar is provided with vertical with extension rod the
One expander bar, one end of the first expander bar are connected with the first oblique arm, also include second oblique arm parallel with the first oblique arm and
Threeth oblique arm parallel with the second oblique arm；The angle of first oblique arm and the first expander bar is 50 ° -65 °；First oblique arm
And second be connected by first connecting rod between oblique arm, it is connected between the second oblique arm and the 3rd oblique arm by second connecting rod；
Also include the 4th oblique arm located at the first expander bar other end, the 4th oblique arm is opposite with the slope of the first oblique arm；4th
The angle of oblique arm and the first expander bar is 50 ° -65 °；Also include fiveth oblique arm parallel with the 4th oblique arm and with the 5th oblique arm
The 6th parallel oblique arm；It is connected between 4th oblique arm and the 5th oblique arm by third connecting rod, between the 5th oblique arm and the 6th oblique arm
It is connected by fourth link；
Also include the second expander bar；
One end of second expander bar is connected with the 7th oblique arm, also includes eightth oblique arm parallel with the 7th oblique arm and with the 8th
The 9th parallel oblique arm of oblique arm；The angle of 7th oblique arm and the second expander bar is 50 ° -65 °；7th oblique arm and the 8th
It is connected between oblique arm by the 5th connecting rod, is connected between the 8th oblique arm and the 9th oblique arm by six-bar linkage；
Also include the tenth oblique arm located at the second expander bar other end, the tenth oblique arm is opposite with the slope of the 7th oblique arm；Tenth
The angle of oblique arm and the second expander bar is 50 ° -65 °；Also include ten one oblique arm parallel with the tenth oblique arm and with the 11st
The 12nd parallel oblique arm of oblique arm；It is connected between tenth oblique arm and the 11st oblique arm by seven-link assembly, the 11st oblique arm and
It is connected between 12 oblique arms by the 8th connecting rod；
It is connected between the top of 7th oblique arm and the 4th oblique arm by center rod.
Wherein, two radiation subelements are apart 30mm in the length direction of the vertical pole of feeder pillar.
Wherein, the top of first expander bar is additionally provided with semicircular first separator.
Wherein, the top of second expander bar is additionally provided with semicircular second separator.
Wherein, in addition to center rod, remaining each connecting rod is vertical relation with corresponding oblique arm.
Beneficial effects of the present invention are：Average gain 8.2dBi in passband is tested, and has very high rolling in passband edges
Decreasing concentration, Out-of-band rejection is adapted to car antenna to use more than 22dBi in very wide stopband.
Brief description of the drawings
Fig. 1 is the structure chart of the present invention；
Fig. 2 is the front view of single-polarized antennas of the present invention；
Fig. 3 is the stereogram of single-polarized antennas of the present invention；
Description of reference numerals in Fig. 1 to Fig. 3：
A1- antenna cases；
B1- feeder pillars；B2- feeder panels；
C1- extension rods；C2- center rods；The expander bars of d1- first；The expander bars of d2- second；The oblique arms of e1- first；E2- second is oblique
Arm；The oblique arms of e3- the 3rd；The oblique arms of e4- the 4th；The oblique arms of e5- the 5th；The oblique arms of e6- the 6th；The oblique arms of e7- the 7th；The oblique arms of e8- the 8th；
The oblique arms of e9- the 9th；The oblique arms of e10- the tenth；The oblique arms of e11- the 11st；The oblique arms of e12- the 12nd；F1- first connecting rods；F2- second connects
Bar；F3- third connecting rods；F4- fourth links；The connecting rods of f5- the 5th；F6- six-bar linkages；F7- seven-link assemblies；The connecting rods of f8- the 8th.
Embodiment
The present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings, is not the reality the present invention
Apply scope and be confined to this.
As shown in Figure 1 to Figure 3, a kind of car antenna described in the present embodiment, includes for the antenna installed in roof
Shell a1, the antenna case is interior to include a feeder pillar b1 provided with a single-polarized antennas, and feeder pillar b1 one end is provided with feeder panel
b2；Feeder pillar b1 is L-shaped, and a2 also includes the radiation subelement each extended over away from feeder pillar b1 vertical pole both sides；Each
Radiation subelement includes an extension rod c1, and the described one end of extension rod c1 away from feeder pillar b1 is provided with vertical with extension rod c1
The first expander bar d1, the first expander bar d1 one end be connected with the first oblique arm e1, also include parallel with the first oblique arm e1
The second oblique arm e2 and threeth oblique arm e3 parallel with the second oblique arm e2；The first oblique arm e1 and the first expander bar d1 angle
For 50 ° -65 °；It is connected between the first oblique arm e1 and the second oblique arm e2 by first connecting rod f1, the second oblique arm e2 and the 3rd is oblique
It is connected between arm e3 by second connecting rod f2；Also include the 4th oblique arm e4 located at the first expander bar d1 other ends, the 4th is oblique
Arm e4 is opposite with the first oblique arm e1 slope；4th oblique arm e4 and the first expander bar d1 angle are 50 ° -65 °；Also include with
4th oblique arm e4 the 5th parallel oblique arm e5 and sixth oblique arm e6 parallel with the 5th oblique arm e5；4th oblique arm e4 and the 5th oblique arm
It is connected between e5 by third connecting rod f3, is connected between the 5th oblique arm e5 and the 6th oblique arm e6 by fourth link f4；Also include
There is the second expander bar d2；Second expander bar d2 one end is connected with the 7th oblique arm e7, also includes parallel with the 7th oblique arm e7
The 8th oblique arm e8 and nineth oblique arm e9 parallel with the 8th oblique arm e8；The angle of the 7th oblique arm e7 and the second expander bar d2
For 50 ° -65 °；It is connected between the 7th oblique arm e7 and the 8th oblique arm e8 by the 5th connecting rod f5, the 8th oblique arm e8 and the 9th is oblique
It is connected between arm e9 by six-bar linkage f6；Also include the tenth oblique arm e10 located at the second expander bar d2 other ends, the tenth is oblique
Arm e10 is opposite with the 7th oblique arm e7 slope；Tenth oblique arm e10 and the second expander bar d2 angle are 50 ° -65 °；Also include
The ten one oblique arm e11 parallel with the tenth oblique arm e10 and ten two oblique arm e12 parallel with the 11st oblique arm e11；Tenth oblique arm
It is connected between e10 and the 11st oblique arm e11 by seven-link assembly f7, is passed through between the 11st oblique arm e11 and the 12nd oblique arm e12
8th connecting rod f8 is connected；It is connected between the top of the 7th oblique arm e7 and the 4th oblique arm e4 by center rod c2.The present invention
Acquiescence is grounded according to actual design, to meet the emission requirements of telecommunication, this antenna pass through the adjustment of near thousand times with
The antenna is designed in modification, and specific test result the following is emulation and test | S11 | parameter and standard is consistent, the 10- of test
11dB impedance bandwidths are 28.5%, stopband | S11 | close to 0.Average gain 8.2dBi in passband is tested, and in passband edges
There is very high degree of roll-offing, Out-of-band rejection has preferable filter effect more than 22dBi in the range of 0~9GHz in very wide stopband,
Therefore it, which can be obtained, possesses stronger anti-electromagnetic field ability；This antenna frequency band internal efficiency is up to 95%.Greatest irradiation direction exists
The surface of radiant body, it is main polarization bigger more than 26dBi than cross polarization.Wherein, two radiation subelements are in the vertical of feeder pillar b1
The length direction of bar is apart 30mm.
A kind of car antenna described in the present embodiment, the top of the first expander bar d1 be additionally provided with semicircular first every
Separation disc.Wherein, the top of the second expander bar d2 is additionally provided with semicircular second separator.Wherein, in addition to center rod,
Remaining each connecting rod is vertical relation with corresponding oblique arm.In this way, found by its emulation, its better ideal.
Described above is only the preferred embodiment of the present invention, therefore all structures described according to present patent application scope
Make, the equivalent change or modification that feature and principle are done, in the protection domain of present patent application.
Claims (6)
- A kind of 1. car antenna, it is characterised in that：Include for the antenna case installed in roof（a1）, the antenna case（a1） Inside it is provided with a single-polarized antennas.
- A kind of car antenna described in 2., it is characterised in that：The single-polarized antennas includes a feeder pillar（b1）, feeder pillar （b1）One end be provided with feeder panel（b2）, feeder pillar（b1）For L-shaped, also include from feeder pillar（b1）Vertical pole both sides prolong respectively Stretch out the radiation subelement gone；Each radiation subelement includes an extension rod（c1）, the extension rod（c1）Away from feed Bar（b1）One end be provided with and extension rod（c1）The first vertical expander bar（d1）, the first expander bar（d1）One end be connected with One oblique arm（e1）, also include and the first oblique arm（e1）The second parallel oblique arm（e2）And with the second oblique arm（e2）Parallel Three oblique arms（e3）；First oblique arm（e1）With the first expander bar（d1）Angle be 50 ° -65 °；First oblique arm（e1）With Second oblique arm（e2）Between pass through first connecting rod（f1）It is connected, the second oblique arm（e2）With the 3rd oblique arm（e3）Between pass through second connect Bar（f2）It is connected；Also include located at the first expander bar（d1）4th oblique arm of the other end（e4）, the 4th oblique arm（e4）With the first oblique arm（e1） Slope it is opposite；4th oblique arm（e4）With the first expander bar（d1）Angle be 50 ° -65 °；Also include and the 4th oblique arm（e4） The 5th parallel oblique arm（e5）With with the 5th oblique arm（e5）The 6th parallel oblique arm（e6）；4th oblique arm（e4）With the 5th oblique arm （e5）Between pass through third connecting rod（f3）It is connected, the 5th oblique arm（e5）With the 6th oblique arm（e6）Between pass through fourth link（f4）Phase Even；Also include the second expander bar（d2）；Second expander bar（d2）One end be connected with the 7th oblique arm（e7）, also include and the 7th oblique arm（e7）Parallel the 8th is oblique Arm（e8）And with the 8th oblique arm（e8）The 9th parallel oblique arm（e9）；7th oblique arm（e7）With the second expander bar（d2）'s Angle is 50 ° -65 °；7th oblique arm（e7）With the 8th oblique arm（e8）Between pass through the 5th connecting rod（f5）It is connected, the 8th oblique arm （e8）With the 9th oblique arm（e9）Between pass through six-bar linkage（f6）It is connected；Also include located at the second expander bar（d2）Tenth oblique arm of the other end（e10）, the tenth oblique arm（e10）With the 7th oblique arm （e7）Slope it is opposite；Tenth oblique arm（e10）With the second expander bar（d2）Angle be 50 ° -65 °；Also include with it is the tenth oblique Arm（e10）The 11st parallel oblique arm（e11）With with the 11st oblique arm（e11）The 12nd parallel oblique arm（e12）；Tenth oblique arm （e10）With the 11st oblique arm（e11）Between pass through seven-link assembly（f7）It is connected, the 11st oblique arm（e11）With the 12nd oblique arm （e12）Between pass through the 8th connecting rod（f8）It is connected；7th oblique arm（e7）Top and the 4th oblique arm（e4）Between pass through center rod（c2）It is connected.
- A kind of 3. car antenna according to claim 2, it is characterised in that：Two radiation subelements are in feeder pillar（b1）'s The length direction of vertical pole is apart 30mm.
- A kind of 4. car antenna according to claim 2, it is characterised in that：First expander bar（d1）Top also set There is semicircular first separator.
- A kind of 5. car antenna according to claim 2, it is characterised in that：Second expander bar（d2）Top also set There is semicircular second separator.
- A kind of 6. car antenna according to claim 2, it is characterised in that：In addition to center rod, remaining each connecting rod It is vertical relation with corresponding oblique arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710843969.9A CN107681248B (en) | 2017-09-19 | 2017-09-19 | Vehicle-mounted antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710843969.9A CN107681248B (en) | 2017-09-19 | 2017-09-19 | Vehicle-mounted antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107681248A true CN107681248A (en) | 2018-02-09 |
| CN107681248B CN107681248B (en) | 2020-05-05 |
Family
ID=61137123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710843969.9A Active CN107681248B (en) | 2017-09-19 | 2017-09-19 | Vehicle-mounted antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107681248B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003087029A (en) * | 2001-09-07 | 2003-03-20 | Mitsumi Electric Co Ltd | Monopole antenna |
| US20100265145A1 (en) * | 2009-04-17 | 2010-10-21 | Hyundai Motor Company | Integrated antenna system for car and method of making same |
| CN103165970A (en) * | 2011-12-19 | 2013-06-19 | 启碁科技股份有限公司 | Antenna device |
| CN104241845A (en) * | 2013-06-21 | 2014-12-24 | 莱尔德技术股份有限公司 | Multiband mimo vehicular antenna assemblies |
| CN204391251U (en) * | 2015-01-21 | 2015-06-10 | 象山星旗电器科技有限公司 | A kind of unipolarity element antenna being provided with increasing frequency aperture |
| CN106523283A (en) * | 2016-11-04 | 2017-03-22 | 史坚鹏 | Wind power generation windmill steering along with wind |
-
2017
- 2017-09-19 CN CN201710843969.9A patent/CN107681248B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003087029A (en) * | 2001-09-07 | 2003-03-20 | Mitsumi Electric Co Ltd | Monopole antenna |
| US20100265145A1 (en) * | 2009-04-17 | 2010-10-21 | Hyundai Motor Company | Integrated antenna system for car and method of making same |
| CN103165970A (en) * | 2011-12-19 | 2013-06-19 | 启碁科技股份有限公司 | Antenna device |
| CN104241845A (en) * | 2013-06-21 | 2014-12-24 | 莱尔德技术股份有限公司 | Multiband mimo vehicular antenna assemblies |
| CN204391251U (en) * | 2015-01-21 | 2015-06-10 | 象山星旗电器科技有限公司 | A kind of unipolarity element antenna being provided with increasing frequency aperture |
| CN106523283A (en) * | 2016-11-04 | 2017-03-22 | 史坚鹏 | Wind power generation windmill steering along with wind |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107681248B (en) | 2020-05-05 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200403 Address after: 510623 room 705, No.8, Jinsui Road, Tianhe District, Guangzhou City, Guangdong Province Applicant after: GAOKE ANT Co.,Ltd. Address before: 523000 Guangdong province Dongguan Songshan Lake high tech Industrial Development Zone Technology Park building 11, floor 2, 201D Applicant before: DONGGUAN SONGYAN ZHIDA INDUSTRIAL DESIGN Co.,Ltd. |
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