CN105305030A - On-automobile multimode combined antenna - Google Patents
On-automobile multimode combined antenna Download PDFInfo
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- CN105305030A CN105305030A CN201510656106.1A CN201510656106A CN105305030A CN 105305030 A CN105305030 A CN 105305030A CN 201510656106 A CN201510656106 A CN 201510656106A CN 105305030 A CN105305030 A CN 105305030A
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Abstract
The invention provides an on-automobile multimode combined antenna which comprises a 4G main antenna, a 4G diversity antenna, an AM/FM antenna and a GNSS antenna. The 4G main antenna and the 4G diversity antenna are in a form of arranging antenna radiating metal sheets on antenna supporting brackets. The AM/FM antenna has a vertical PCB form. The GNSS antenna comprises an antenna platform and an antenna radiator which is arranged on the antenna platform. The combined antenna has high integrated level and can realize platform type production, thereby reducing production cost. The combined antenna is suitable for all vehicle types and can be conveniently mounted. The combined antenna facilitates inner cable layout in an automobile and reduces deadweight of an automobile body. Furthermore because the AM/FM antenna is integrated in the combined antenna, air noise is reduced, and comfort degree and safety in driving are improved. Additionally oil consumption amount is reduced. Through a reasonable combining manner, small interference among the antennae is reduced and the performance of the on-automobile multimode combined antenna is improved.
Description
Technical field
The present invention relates to field of antenna, more specifically, relate to vehicle multi-mode combined antenna.
Background technology
Along with the arrival in car networking epoch, car antenna applies more and more diversification, to meet the more and more higher information transmission of people, amusement, location navigation, and demand for security.Current car antenna design is of all kinds, generally comprises following several:
1. communication antenna, is installed in middle control usually, or front windshield lower end.
2.AM/FM reception antenna, use telescopic bar formula antenna, punch on vehicle head both sides, be fixed on outside car, or use non-telescoping formula antenna, be fixed on roof, or use printed antenna directly to embed rear window place, but vehicle-mounted AM/FM external antenna is different, especially the bar type AM/FM antenna of main flow and vehicle body inharmonious, outward appearance is not smooth.
3.GPS navigation antenna, placement location is then more flexible, and middle control, before the passenger side, in A/B post, roof front or rear, Jun You producer is fixed differently.
Along with the progress of technology, some antenna producers employ antenna integrated technology, and by communication 2G antenna, gps antenna, is integrated in an antenna, by corresponding connector, for car-mounted terminal.But product up-gradation is comparatively slow, and communication antenna only accomplishes 2G frequency range usually, and up-to-date 4G does not cover, and does not adopt up-to-date 4G antenna technology.Navigation type antenna is only limited to single mode or bimodulus usually, GNSS navigation frequency range not covering the whole world; And antenna integrated level is lower, AM/FM antenna is not integrated among combined antenna.
Simultaneously, combined antenna layout is unreasonable, and communication antenna assesses deficiency early stage, fails fully to emulate and realistic simulation, comprise antenna configurations, passive antenna is applied, and the selection etc. of antenna load point does not reach best, causes interference mutually large, isolation is not good, cause antenna performance bad, affect user's using character, practical application is experienced not good.
Current combined antenna can not meet 4G and 4G diversity double antenna demand, and possesses 4GMAIN (main antenna) simultaneously, 4G (DIV) diversity antenna, AM/FM, more than GNSS, die combination antenna industry fails to develop and application, and because of corresponding four coaxial lines of needs, specification is RG-174,2.8mm, antenna cables outlet restricted (automobile top installing hole can not be excessive, and excessive have dangerous, and leak equivalent risk), can not easily pass through, and easily scratch.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide high, the of good performance vehicle multi-mode combined antenna of a kind of integrated level.
For solving the problems of the technologies described above, technical scheme provided by the invention is: a kind of vehicle multi-mode combined antenna, comprise 4G main antenna, 4G diversity antenna, AM/FM antenna and GNSS antenna, described 4G main antenna and 4G diversity antenna all adopt the form of arranging aerial radiation sheet metal on antenna mounting support, described AM/FM antenna adopts upright pcb board form, and described GNSS antenna comprises antenna platform and is arranged on the antenna radiator on antenna platform.
Described multimode combined antenna is arranged in shark fins antenna casing.
Described 4G main antenna and AM/FM antenna are arranged at the highest rear end of shark fins antenna casing, and described 4G diversity antenna and GNSS antenna are arranged at shark fins antenna casing front end.
Described AM/FM antenna can carry out location swap with 4G main antenna, and described 4G diversity antenna can carry out location swap with GNSS antenna.
The feeder line matching connection circuit input end of described 4G diversity antenna, the feeder line of GNSS antenna connects amplifier circuit in low noise input, and the output of match circuit and amplifier circuit in low noise exports respectively by unified after filter circuit.
The radiant body of described GNSS antenna is square ceramic antenna.
The upright pcb board of described AM/FM antenna is provided with radial line.
Described radial line be around pcb board arrange around radial line.
Compared with prior art, tool of the present invention has the following advantages:
The invention provides a kind of vehicle multi-mode combined antenna, integrated level is high, implementation platformization can produce, thus reduces production cost; And be applicable to all vehicles, be convenient to install, be conducive to automotive interior wire cable layout, alleviate vehicle body deadweight, simultaneously due to AM/FM antenna is integrated into combined antenna inside, and reduces wind and make an uproar, improve driving comfort level, fail safe, and reduction oil consumption, by rational compound mode, make to affect between antenna little, and performance is improved, 4G diversity antenna and GNSS antenna use same cable to export as radio frequency, have saved certain cable and a connector, have reduced the cost of raw material, improve production efficiency, alleviate vehicle body deadweight.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 structural representation.
Fig. 2 is the embodiment of the present invention 2 structural representation.
Fig. 3 is the embodiment of the present invention 3 structural representation.
Fig. 4 is the embodiment of the present invention 4 structural representation.
Fig. 5 is the theory diagram that output unified by 4G diversity antenna of the present invention and GNSS antenna.
Fig. 6 is 4G main antenna antenna Wiring structure enlarged drawing of the present invention.
Fig. 7 is 4G diversity antenna antenna Wiring structure enlarged drawing of the present invention.
Wherein, 1 is 4G main antenna, 2 is AM/FM antenna, 3 is GNSS antenna, 4 is 4G diversity antenna, 5 is the drain pan of shark fins antenna casing, 11 is the first antenna supporting bracket, 12 is the antenna cabling of 4G main antenna, 13 is 4G main antenna low frequency part, 14 is 4G main antenna passive antenna part, 15 is 4G main antenna signal feed-in point, 16 is 4G main antenna HFS, 41 is the second antenna mounting support, 42 is the antenna cabling of 4G diversity antenna, 43 is 4G diversity antenna low frequency part, 44 is 4G diversity antenna HFS, 45 is 4G diversity antenna ground connection feedback point, 46 is 4G diversity antenna signals load point, 47 is 4G diversity antenna spurious portion.
Embodiment
The present invention to be explained in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that.
embodiment 1
As shown in Figure 1, a kind of vehicle multi-mode combined antenna, be arranged in shark fins antenna casing by integrated to 4G main antenna 1,4G diversity antenna 4, AM/FM antenna 2 and GNSS antenna 3, and the unified pcb board connected on shark fins antenna casing drain pan 5, with the match circuit acting in conjunction on pcb board, realize high integrated, high performance vehicle multi-mode combined antenna.According to the feature that shark fins antenna is low early and high after, successively 4G diversity antenna 4, GNSS antenna 3, AM/FM antenna 2 and 4G main antenna 1 are set on the drain pan 5 of shark fins antenna casing from front to back.
Wherein 4G main antenna 1 comprises the first antenna supporting bracket 11, and wiring arranges the antenna cabling 12 of 4G main antenna on the first antenna supporting bracket 11; 4G diversity antenna comprises the second antenna mounting support 41, and wiring arranges the antenna cabling 42 of 4G diversity antenna on the second antenna mounting support 41; The antenna cabling 12 of described 4G main antenna and the antenna cabling 42 of 4G diversity antenna are all aerial radiation sheet metal; Described AM/FM antenna comprises upright pcb board, and arrange on pcb board around radial line, described GNSS antenna comprises antenna platform and is arranged on the antenna radiator on antenna platform, and wherein the present embodiment adopts square ceramic antenna as the radiant body of GNSS antenna.
As shown in Figure 5, the application adopts 4G diversity antenna and GNSS antenna to unify the mode of output feeder, wherein 4G diversity antenna electric feed signal output matching connection circuit input end, the electric feed signal output of GNSS antenna connects amplifier circuit in low noise input, match circuit output and amplifier circuit in low noise output export respectively by unified after filter circuit, have saved certain cable and a connector, have reduced the cost of raw material, improve production efficiency, alleviate vehicle body deadweight.
As an embodiment, as shown in Figure 6, the antenna cabling of 4G main antenna comprises 4G main antenna low frequency part, 4G main antenna HFS, 4G main antenna passive antenna part and 4G main antenna signal feed-in point, as shown in Figure 7, the antenna cabling of 4G diversity antenna comprises 4G diversity antenna low frequency part, 4G diversity antenna HFS, 4G diversity antenna spurious portion, 4G diversity antenna ground connection feedback point and 4G diversity antenna signals load point.This design meets the double antenna demand of 4G main antenna and 4G diversity antenna, and stable performance, mutually interference are little, comply with the demand of era development simultaneously, car antenna more can be satisfied the demands of consumers.
4G main antenna is arranged at the rear end of combined antenna by the present embodiment, for 4G main antenna provides sufficient radiation space, makes 4G main antenna have good radiance; Simultaneously also AM/FM antenna is arranged at combined antenna rear end, for resonance frequency is low, wavelength is longer, while bulky AM/FM antenna provides sufficient space, also due to AM/FM antenna and 4G main antenna frequency difference greatly, therefore mutually cause interference less; GNSS antenna is arranged at the front end of combined antenna, compares bandwidth for GNSS antenna provides good spoke; 4G diversity antenna is arranged at combined antenna front end, for 4G diversity antenna provides sufficient signal receiving circumstance simultaneously; The present embodiment, by car antenna built-inization, is integrated in an assembly.Especially AM/FM antenna, uses the form of built-inization PCB, substitutes external AM/FM antenna.And antenna type covers vehicle-mounted main application, make again to influence each other little between antenna simultaneously, ensure that each antenna performance.
embodiment 2
As shown in Figure 2, a kind of vehicle multi-mode combined antenna, be arranged in shark fins antenna casing by integrated to 4G main antenna 1,4G diversity antenna 4, AM/FM antenna 2 and GNSS antenna 3, according to the feature that shark fins antenna is low early and high after, successively GNSS antenna 3,4G diversity antenna 4, AM/FM antenna 2 and 4G main antenna 1 are set on the drain pan 5 of shark fins antenna casing from front to back.
The present embodiment remainder is identical with embodiment 1, each antenna combination inner antenna, places arrangement optimization combination, also can reach combined antenna optimal performance through impedance matching to antenna.
embodiment 3
As shown in Figure 3, a kind of vehicle multi-mode combined antenna, be arranged in shark fins antenna casing by integrated to 4G main antenna 1,4G diversity antenna 4, AM/FM antenna 2 and GNSS antenna 3, according to the feature that shark fins antenna is low early and high after, successively 4G diversity antenna 4, GNSS antenna 3,4G main antenna 1 and AM/FM antenna 2 are set on the drain pan 5 of shark fins antenna casing from front to back.
The present embodiment remainder is identical with embodiment 1, each antenna combination inner antenna, places arrangement optimization combination, also can reach combined antenna optimal performance through impedance matching to antenna.
embodiment 4
As shown in Figure 4, a kind of vehicle multi-mode combined antenna, be arranged in shark fins antenna casing by integrated to 4G main antenna 1,4G diversity antenna 4, AM/FM antenna 2 and GNSS antenna 3, according to the feature that shark fins antenna is low early and high after, successively GNSS antenna 3,4G diversity antenna 4,4G main antenna 1 and AM/FM antenna 2 are set on the drain pan 5 of shark fins antenna casing from front to back.
The present embodiment remainder is identical with embodiment 1, each antenna combination inner antenna, places arrangement optimization combination, also can reach combined antenna optimal performance through impedance matching to antenna.
Be more than wherein specific implementation of the present invention, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.
Claims (8)
1. a vehicle multi-mode combined antenna, it is characterized in that: comprise 4G main antenna, 4G diversity antenna, AM/FM antenna and GNSS antenna, described 4G main antenna and 4G diversity antenna all adopt the form of arranging aerial radiation sheet metal on antenna mounting support, described AM/FM antenna adopts upright pcb board form, and described GNSS antenna comprises antenna platform and is arranged on the antenna radiator on antenna platform.
2. vehicle multi-mode combined antenna according to claim 1, is characterized in that: described multimode combined antenna is arranged in shark fins antenna casing.
3. vehicle multi-mode combined antenna according to claim 2, is characterized in that: described 4G main antenna and AM/FM antenna are arranged at the highest rear end of shark fins antenna casing, and described 4G diversity antenna and GNSS antenna are arranged at shark fins antenna casing front end.
4. vehicle multi-mode combined antenna according to claim 3, is characterized in that: described AM/FM antenna can carry out location swap with 4G main antenna, and described 4G diversity antenna can carry out location swap with GNSS antenna.
5. vehicle multi-mode combined antenna according to claim 1, it is characterized in that: the feeder line matching connection circuit input end of described 4G diversity antenna, the feeder line of GNSS antenna connects amplifier circuit in low noise input, and the output of match circuit and amplifier circuit in low noise exports respectively by unified after filter circuit.
6. vehicle multi-mode combined antenna according to claim 1, is characterized in that: the radiant body of described GNSS antenna is square ceramic antenna.
7. vehicle multi-mode combined antenna according to claim 1, is characterized in that: the upright pcb board of described AM/FM antenna is provided with radial line.
8. vehicle multi-mode combined antenna according to claim 7, is characterized in that: described radial line be around pcb board arrange around radial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656106.1A CN105305030A (en) | 2015-10-12 | 2015-10-12 | On-automobile multimode combined antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656106.1A CN105305030A (en) | 2015-10-12 | 2015-10-12 | On-automobile multimode combined antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105305030A true CN105305030A (en) | 2016-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510656106.1A Pending CN105305030A (en) | 2015-10-12 | 2015-10-12 | On-automobile multimode combined antenna |
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| CN (1) | CN105305030A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129595A (en) * | 2016-06-30 | 2016-11-16 | 大连楼兰科技股份有限公司 | A kind of car antenna of band thermolysis |
| CN106252844A (en) * | 2016-09-28 | 2016-12-21 | 上海安费诺永亿通讯电子有限公司 | Vehicular rear mirror LTE antenna |
| CN106356627A (en) * | 2016-08-25 | 2017-01-25 | 常州柯特瓦电子有限公司 | Method for combining coaxial feeders of vehicle-mounted GPS and 4G antennae |
| CN107611563A (en) * | 2017-07-27 | 2018-01-19 | 惠州硕贝德无线科技股份有限公司 | A kind of vehicle multi-mode antenna |
| CN107895849A (en) * | 2017-11-16 | 2018-04-10 | 上海守远通讯科技有限公司 | The Internet of Things antenna of intelligent charging spot |
| CN108565536A (en) * | 2018-03-19 | 2018-09-21 | 莱尔德无线技术（上海）有限公司 | By the VSWR bandwidth broadnings of LTE antenna element to low-frequency method and antenna module |
| CN110911803A (en) * | 2019-12-02 | 2020-03-24 | 沈阳安费诺三浦汽车电子有限公司 | Vehicle-mounted antenna |
| CN111630713A (en) * | 2018-02-19 | 2020-09-04 | 株式会社友华 | Vehicle-mounted antenna device |
| CN113725591A (en) * | 2016-12-06 | 2021-11-30 | 株式会社友华 | Antenna device |
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| JPH08204442A (en) * | 1995-01-31 | 1996-08-09 | Mitsumi Electric Co Ltd | Antenna unit and receiver with the unit |
| CN102394343A (en) * | 2011-07-14 | 2012-03-28 | 加利电子(无锡)有限公司 | Vehicular integrated antenna |
| US20120274519A1 (en) * | 2009-11-02 | 2012-11-01 | Guy-Aymar Chakam | Highly Integrated Multiband Shark Fin Antenna for a Vehicle |
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| CN204167472U (en) * | 2014-08-08 | 2015-02-18 | 莱尔德电子材料（上海）有限公司 | Shark fins antenna module |
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- 2015-10-12 CN CN201510656106.1A patent/CN105305030A/en active Pending
Patent Citations (6)
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| JPH08204442A (en) * | 1995-01-31 | 1996-08-09 | Mitsumi Electric Co Ltd | Antenna unit and receiver with the unit |
| US20120274519A1 (en) * | 2009-11-02 | 2012-11-01 | Guy-Aymar Chakam | Highly Integrated Multiband Shark Fin Antenna for a Vehicle |
| CN102394343A (en) * | 2011-07-14 | 2012-03-28 | 加利电子(无锡)有限公司 | Vehicular integrated antenna |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129595A (en) * | 2016-06-30 | 2016-11-16 | 大连楼兰科技股份有限公司 | A kind of car antenna of band thermolysis |
| CN106356627A (en) * | 2016-08-25 | 2017-01-25 | 常州柯特瓦电子有限公司 | Method for combining coaxial feeders of vehicle-mounted GPS and 4G antennae |
| CN106252844A (en) * | 2016-09-28 | 2016-12-21 | 上海安费诺永亿通讯电子有限公司 | Vehicular rear mirror LTE antenna |
| CN106252844B (en) * | 2016-09-28 | 2023-05-16 | 上海安费诺永亿通讯电子有限公司 | Vehicle-mounted rearview mirror LTE antenna |
| CN113725591A (en) * | 2016-12-06 | 2021-11-30 | 株式会社友华 | Antenna device |
| CN107611563A (en) * | 2017-07-27 | 2018-01-19 | 惠州硕贝德无线科技股份有限公司 | A kind of vehicle multi-mode antenna |
| CN107895849A (en) * | 2017-11-16 | 2018-04-10 | 上海守远通讯科技有限公司 | The Internet of Things antenna of intelligent charging spot |
| CN111630713A (en) * | 2018-02-19 | 2020-09-04 | 株式会社友华 | Vehicle-mounted antenna device |
| CN111630713B (en) * | 2018-02-19 | 2024-01-05 | 株式会社友华 | Vehicle-mounted antenna device |
| CN108565536A (en) * | 2018-03-19 | 2018-09-21 | 莱尔德无线技术（上海）有限公司 | By the VSWR bandwidth broadnings of LTE antenna element to low-frequency method and antenna module |
| CN110911803A (en) * | 2019-12-02 | 2020-03-24 | 沈阳安费诺三浦汽车电子有限公司 | Vehicle-mounted antenna |
| CN110911803B (en) * | 2019-12-02 | 2021-01-01 | 沈阳安费诺三浦汽车电子有限公司 | Vehicle-mounted antenna |
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Application publication date: 20160203 |
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| RJ01 | Rejection of invention patent application after publication |