CN107464989A - Vehicle-mounted 4G blade antennas - Google Patents
Vehicle-mounted 4G blade antennas Download PDFInfo
- Publication number
- CN107464989A CN107464989A CN201710674024.9A CN201710674024A CN107464989A CN 107464989 A CN107464989 A CN 107464989A CN 201710674024 A CN201710674024 A CN 201710674024A CN 107464989 A CN107464989 A CN 107464989A
- Authority
- CN
- China
- Prior art keywords
- antenna
- vehicle
- minor matters
- medium substrate
- radiation unit
- 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.)
- Pending
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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
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
Landscapes
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses a kind of vehicle-mounted 4G blade antennas, it is characterized in that, it includes medium substrate, is printed on the positive antenna radiation unit of medium substrate, metal floor, antenna radiation unit includes one section of low frequency radiation minor matters, one section of high frequency radiation minor matters and one section of short-circuit minor matters, short-circuit minor matters are connected between antenna radiation unit and metal floor, antenna radiation unit edge is provided with the microstrip feed line for being fed to antenna, and the medium substrate back side is provided with parasitic couplings paster.The present invention has the characteristics that to meet that the requirement of shark fins housing dimensions, covering 4G band bandwidths, frequency band standing internal wave characteristic are good, communicated available for automobile 4G.
Description
Technical field
The present invention relates to antenna technical field, more particularly to a kind of radio communication day used on mobile terminals
Line.
Background technology
As Hyundai Motor constantly develops towards the direction of electronization, requirement of the people to automobile is no longer limited to only conduct
Walking-replacing tool uses.Based on the development of China's car networking technology, feature-rich car networking product is constantly released, and people thirst for enjoying
By more intelligent GPS location, on-line fault diagnosis, vehicle-state detection, abnormal alarm, location-based service, travelling data statistics,
The functions such as management and dispatching, and the fast development of the 4G communication technologys, the network service of high-speed is provided for the demand of people.Antenna
Equipment as launching and receiving wireless signal, the performance for antenna in the use of car networking product it is also proposed higher
It is required that.Current car antenna can realize mobile communication (such as 2G, 3G, 4G mobile communication), WLAN (such as WLAN and
WIFI), short-range data exchanges (such as Bluetooth) function, while generally portable antenna is incorporated into shark fins outer cover
And on roof metal shell.
Shark fins antenna has strict requirements for the size of antenna, and communication antenna unit uses monopole minor structure, high
Degree is in more than 50mm, PCB or sheet metal antenna oscillator is vertical is welded on one piece of horizontal PCB, the signal warp that antenna receives
Coaxial cable is output to mobile terminal device.The defects of such a antenna element, is：Have in national standard for protrusion outside vehicle bright
True requirement for height, the height of shark fins outer cover can not be more than 70mm, therefore the mobile communication antenna being incorporated into shark fins shell
Height need lower, the antenna that so can just concede space to other frequency ranges uses, and existing antenna is difficult to meet requirements above；It is right
For 4G antennas, realize a small size and cover 4G frequency ranges to be available for receiving and dispatching public antenna difficulty larger, mainly due to
The metal chassis of automobile has large effect for the performance of antenna, while is difficult to cover enough broadbands in the bandwidth of low-frequency range
Index request be also design one of difficult point.
The content of the invention
The purpose of the present invention is exactly to provide a kind of simple in construction to solve the deficiency of prior art, can be arranged on vapour
In car shark fins outer cover and cover the vehicle-mounted 4G blade antennas of 4G frequency ranges.
The present invention is to realize above-mentioned purpose using following technical solution：A kind of vehicle-mounted 4G blade antennas, its feature
It is, it includes medium substrate, is printed on the positive antenna radiation unit of medium substrate, metal floor, antenna radiation unit bag
Include one section of low frequency radiation minor matters, one section of high frequency radiation minor matters and one section of short-circuit minor matters, short-circuit minor matters and be connected to antenna radiation unit
Between metal floor, antenna radiation unit edge is provided with the microstrip feed line for being fed to antenna, and the medium substrate back side is set
It is equipped with parasitic couplings paster.
As a further illustration of the above scheme, the positive antenna radiation unit of medium substrate uses monopole minor structure
And realize that miniaturization broadband designs by folding microstrip line so as to extend current path.
The short-circuit minor matters of the antenna radiation unit form energy coupling with low frequency radiation minor matters, can be achieved to low-frequency range band
Wide broadening.
The parasitic couplings paster at the medium substrate back side and the low frequency radiation minor matters part of antenna radiation unit are on being situated between
Matter substrate is symmetrical, passes through the energy coupling with low frequency radiation minor matters, it is possible to provide is provided in the low-frequency band of antenna extra humorous
Shake a little, so as to broadening low-frequency band bandwidth.
The vehicle-mounted 4G blade antennas overall dimensions data are as follows：(H*W*T) 60.2mm*39.8mm*1mm, antenna are overall
Size meets the size requirement of shark fins outer cover；Vehicle-mounted 4G blade antennas impedance bandwidth can cover 824-960MHz, 1710-
2690MHz (actual bandwidth 787-960MHz, 1384-2721MHz), the band bandwidth of 4G frequency ranges can be covered.
The microstrip feed line uses 50 Ohm microstrip feeding lines, and impedance matching is formed with coaxial cable, so as to reduce cable damage
Consumption.
The beneficial effect that the present invention can be reached using above-mentioned technical solution is：
The present invention is extended antenna current paths, realized by the microstrip line for technology folded antenna radiating element of meandering
Miniaturization Design simultaneously widens the beamwidth of antenna, is coupled by short-circuit minor matters, increases the means such as parasitic couplings paster, effectively widens day
The low-frequency band bandwidth of line simultaneously improves the stationary wave characteristic of antenna, compared with existing antenna, it has, and compact-sized, design is simple,
The characteristics such as broader bandwidth, cost be low.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the present invention.
Description of reference numerals：1st, medium substrate 2, antenna radiation unit 2-1, low frequency radiation minor matters 2-2, high frequency radiation
Minor matters 2-3, short-circuit minor matters 2-4, microstrip feed line 3, metal floor 4, parasitic couplings paster.
Embodiment
The technical program is explained in detail below in conjunction with specific embodiment.
As Figure 1-Figure 2, the present invention is a kind of vehicle-mounted 4G blade antennas, and it includes medium substrate 1, is printed on medium base
The positive antenna radiation unit 2 of plate, metal floor 3, antenna radiation unit include one section of low frequency radiation minor matters 2-1, one section of high frequency
Minor matters 2-2 and one section of short-circuit minor matters 2-3, one section of low frequency radiation minor matters and one section of high frequency radiation minor matters are radiated, can be realized respectively low
Frequency resonance and high-frequency resonant；Coupled by short-circuit minor matters, increase parasitic couplings paster and antenna radiation unit form electromagnetic coupled
Etc. the low frequency bandwidth of technology broadening antenna, so as to meet the needs of covering 4G frequency ranges.Short-circuit minor matters are connected to antenna radiation unit
Between metal floor, antenna radiation unit edge is provided with the microstrip feed line 2-4 for being fed to antenna, the medium substrate back side
It is provided with parasitic couplings paster 4.In the present embodiment, microstrip feed line uses 50 Ohm microstrip feeding lines, and impedance is formed with coaxial cable
Matching, so as to reduce cable waste.
The antenna radiation unit uses the sub- form of microstrip-monopole, and folding microstrip line using technology of meandering extends electric current road
Footpath, realize that miniaturization broadband designs；The microstrip feed line is 50 ohm microstrips, and impedance matching is formed with coaxial cable, from
And reduce cable waste.
Wherein, medium substrate uses medium substrate of the dielectric constant for 4.4 FR-4, and its size is：60.2mm*
39.8mm*1mm；Metal floor size is 59.3mm*62.2mm*1mm.
The vehicle-mounted 4G blade antennas overall dimensions data are as follows：(H*W*T) 60.2mm*39.8mm*1mm, antenna are overall
Size meets the size requirement of shark fins outer cover；Vehicle-mounted 4G blade antennas impedance bandwidth can cover 824-960MHz, 1710-
2690MHz (actual bandwidth 787-960MHz, 1384-2721MHz), the band bandwidth of 4G frequency ranges can be covered.
The present invention compared with prior art, by the microstrip line for technology folded antenna radiating element of meandering, extends antenna
Current path, realize Miniaturization Design and widen the beamwidth of antenna, coupled by short-circuit minor matters, increase the hands such as parasitic couplings paster
Section, effectively widens the low-frequency band bandwidth of antenna and improves the stationary wave characteristic of antenna, compared with existing antenna, it has structure
The compact, characteristic such as design is simple, broader bandwidth, cost are low.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (6)
1. a kind of vehicle-mounted 4G blade antennas, it is characterised in that it includes medium substrate, is printed on the positive antenna spoke of medium substrate
Unit, metal floor are penetrated, antenna radiation unit includes one section of low frequency radiation minor matters, one section of high frequency radiation minor matters and one section of short-circuit branch
Section, short-circuit minor matters are connected between antenna radiation unit and metal floor, and antenna radiation unit edge is provided with for antenna
The microstrip feed line of feed, the medium substrate back side are provided with parasitic couplings paster.
2. vehicle-mounted 4G blade antennas according to claim 1, it is characterised in that the positive aerial radiation of medium substrate
Unit folds microstrip line using monopole minor structure.
3. vehicle-mounted 4G blade antennas according to claim 1, it is characterised in that the short-circuit minor matters of the antenna radiation unit
Energy coupling is formed with low frequency radiation minor matters.
4. vehicle-mounted 4G blade antennas according to claim 1, it is characterised in that the parasitic couplings at the medium substrate back side
The low frequency radiation minor matters part of paster and antenna radiation unit is symmetrical on medium substrate.
5. vehicle-mounted 4G blade antennas according to claim 1, it is characterised in that vehicle-mounted 4G blade antennas overall dimensions number
According to：(H*W*T)60.2mm*39.8mm*1mm；Vehicle-mounted 4G blade antennas impedance bandwidth covers 824-960MHz, 1710-2690MH.
6. vehicle-mounted 4G blade antennas according to claim 1, it is characterised in that the microstrip feed line uses 50 ohm microstrips
Feeder line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710674024.9A CN107464989A (en) | 2017-08-09 | 2017-08-09 | Vehicle-mounted 4G blade antennas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710674024.9A CN107464989A (en) | 2017-08-09 | 2017-08-09 | Vehicle-mounted 4G blade antennas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107464989A true CN107464989A (en) | 2017-12-12 |
Family
ID=60548666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710674024.9A Pending CN107464989A (en) | 2017-08-09 | 2017-08-09 | Vehicle-mounted 4G blade antennas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107464989A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473787A (en) * | 2018-12-11 | 2019-03-15 | 汽-大众汽车有限公司 | A kind of shark fins antenna module |
| CN110224218A (en) * | 2019-06-25 | 2019-09-10 | 广东盛路通信科技股份有限公司 | A kind of Onboard combined antenna of compatible 5G |
| CN110289492A (en) * | 2019-07-01 | 2019-09-27 | 西安电子科技大学 | A kind of Compact type broadband shark fin type Onboard combined antenna |
| CN110474157A (en) * | 2019-08-27 | 2019-11-19 | 南京邮电大学 | A kind of mobile communication frequency range printed monopole antenna |
| CN110518347A (en) * | 2019-08-27 | 2019-11-29 | 南京邮电大学 | A kind of multiband car antenna |
| CN111048888A (en) * | 2019-12-13 | 2020-04-21 | 惠州市德赛西威汽车电子股份有限公司 | Vehicle-mounted 5G antenna structure and vehicle-mounted shark fin |
| CN114678680A (en) * | 2022-04-09 | 2022-06-28 | 浙江金乙昌科技股份有限公司 | Middle hole that digs realizes tight coupling's 5G full frequency channel vehicle antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1793449A1 (en) * | 2005-11-11 | 2007-06-06 | Calearo Antenne S.P.A. | Vehicular multiband antenna for mobile telephony |
| CN207368212U (en) * | 2017-08-09 | 2018-05-15 | 广东盛路通信科技股份有限公司 | Vehicle-mounted 4G blade antennas |
-
2017
- 2017-08-09 CN CN201710674024.9A patent/CN107464989A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1793449A1 (en) * | 2005-11-11 | 2007-06-06 | Calearo Antenne S.P.A. | Vehicular multiband antenna for mobile telephony |
| CN207368212U (en) * | 2017-08-09 | 2018-05-15 | 广东盛路通信科技股份有限公司 | Vehicle-mounted 4G blade antennas |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473787A (en) * | 2018-12-11 | 2019-03-15 | 汽-大众汽车有限公司 | A kind of shark fins antenna module |
| CN109473787B (en) * | 2018-12-11 | 2023-10-27 | 一汽-大众汽车有限公司 | Shark fin antenna assembly |
| CN110224218A (en) * | 2019-06-25 | 2019-09-10 | 广东盛路通信科技股份有限公司 | A kind of Onboard combined antenna of compatible 5G |
| CN110224218B (en) * | 2019-06-25 | 2024-04-09 | 广东盛路通信科技股份有限公司 | Vehicle-mounted combined antenna compatible with 5G |
| CN110289492A (en) * | 2019-07-01 | 2019-09-27 | 西安电子科技大学 | A kind of Compact type broadband shark fin type Onboard combined antenna |
| CN110289492B (en) * | 2019-07-01 | 2020-10-23 | 西安电子科技大学 | Compact broadband shark fin type vehicle-mounted combined antenna |
| CN110474157A (en) * | 2019-08-27 | 2019-11-19 | 南京邮电大学 | A kind of mobile communication frequency range printed monopole antenna |
| CN110518347A (en) * | 2019-08-27 | 2019-11-29 | 南京邮电大学 | A kind of multiband car antenna |
| CN110518347B (en) * | 2019-08-27 | 2020-10-16 | 南京邮电大学 | Multi-band vehicle-mounted antenna |
| CN111048888A (en) * | 2019-12-13 | 2020-04-21 | 惠州市德赛西威汽车电子股份有限公司 | Vehicle-mounted 5G antenna structure and vehicle-mounted shark fin |
| CN114678680A (en) * | 2022-04-09 | 2022-06-28 | 浙江金乙昌科技股份有限公司 | Middle hole that digs realizes tight coupling's 5G full frequency channel vehicle antenna |
| CN114678680B (en) * | 2022-04-09 | 2023-04-28 | 浙江金乙昌科技股份有限公司 | 5G full-band vehicle-mounted antenna capable of realizing tight coupling through hollow holes in middle |
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