CN103682681A - Integrated antenna for vehicles - Google Patents
Integrated antenna for vehicles Download PDFInfo
- Publication number
- CN103682681A CN103682681A CN201310311424.5A CN201310311424A CN103682681A CN 103682681 A CN103682681 A CN 103682681A CN 201310311424 A CN201310311424 A CN 201310311424A CN 103682681 A CN103682681 A CN 103682681A
- Authority
- CN
- China
- Prior art keywords
- antenna
- broadcasting
- integrated
- gps
- vehicle
- 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
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
- H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
- B60R2011/0028—Ceiling, e.g. roof rails
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Details Of Aerials (AREA)
Abstract
According to the present invention, an integrated antenna for vehicles has a structure that an antenna used for broadcasting is plugged into a hole formed in a GPS antenna, thereby creating an effect that the internal space of the integrated antenna can be used effectively. In addition, by virtue of using a band elimination filter capable of resolving GPS frequency band domain signals, the effect of minimizing the interference between GPS signals and broadcasting signals can be created.
Description
Technical field
The invention relates to antenna integrated for vehicle, especially about antenna integrated for vehicle of in-built CMMB (China Mobile Multimedia Broadcasting, China Mobile multimedia broadcasting) antenna.
Background technology
Past, generally at automobile merely in order to receive AM/FM station broadcast, shaft-like telescopic antenna and even glass (Glass) antenna is only installed, still, prosperity and the various demand of consumer of electronic information communication, therefore installed the antenna with various function at vehicle recently.For example, be not only traditional AM/FM broadcast singal, along with DMB (Digital Multimedia Broadcasting, DMB) service is utilized widely, for receiving the exploitation of the antenna of DMB, popularize.In addition, in order to make the driver of steering vehicle can confirm vehicle location, gps antenna is set or for a plurality of antennas such as TMU (Telematics unit, onboard system unit) antenna of board units.
Fig. 1 is the existing antenna integrated exemplary plot for vehicle, this antenna integrated designed according to the broadcasting frequency band territory of every country respectively for vehicle, for example, various countries are the situation of digital broadcasting respectively, U.S. XM is used 2.3325GHz～2.345GHz frequency band territory, and SIRIUS is used 2.320GHz～2.3325GHz frequency band territory.In addition, Korea S DMB and European DAB are used the frequency band territory of 174MHz～216MHz.Because this digital broadcasting configuration is not connected with onboard system frequency band territory, North America 824MHz～894MHz, 1.850GHz～1.990GHz, therefore less on the impact of interfering.
On the other hand, situation as Chinese digital broadcasting CMMB (China Mobile Multimedia Broadcasting), use 470MHz～800MHz frequency band territory, and then be adjacent to the situation of the integrated design antenna of Chinese onboard system band territory 821MHz～894MHz, compare other countries and be difficult to guarantee characteristic.According to this, in order to reduce the impact of interference, interval between Chinese onboard system antenna and CMMB antenna is isolated to greatest extent and guarantee performance.
But the gps antenna of general antenna integrated inside, onboard system antenna and for the antenna of digital broadcasting, make it mutually can be subject to spatial restriction to isolate to greatest extent.In addition, if running comprises antenna integrated for vehicle of CMMB antenna, owing to generating the 1574MHz signal of the 787MHz of CMMB with the twice of territory signal.This situation, produces and interferes with the gps signal that uses 1575.42MHz, occurs to occur to produce compared with the situation of bad influence to receiving gps signal.
Summary of the invention
(technical problem that will solve)
The invention provides antenna integrated for vehicle, its object is, in conjunction with gps antenna and antenna for broadcasting.
The invention provides antenna integrated for vehicle, other object is, can prevent gps signal and mutual interference for broadcast singal.
(means of dealing with problems)
For reaching aforesaid technical problem, antenna integrated for vehicle according to a pattern of the present invention, comprising: gps antenna, receives the signal in GPS frequency band territory; And the antenna for broadcasting, the signal in reception broadcasting frequency band territory.Describedly for the antenna of broadcasting, be inserted in the hole (Hole) forming at described gps antenna, and there is the surperficial streaming current identical with described gps antenna.On the other hand, described gps antenna turns round by indirect current supply power mode.Described is CMMB (China Mobile Multimedia Broadcasting) antenna for the antenna of broadcasting.In addition, antenna integrated for vehicle, also comprises: band stop filter (band-stop filter), shields the signal in described GPS frequency band territory.Here, described band stop filter is positioned at the described bottom for the antenna of broadcasting, and is positioned at the prescribed level space of described gps antenna inside, pottery or metal mode, consists of.On the other hand, described gps antenna is incorporated into identical fixing base with described for the antenna of broadcasting.The described antenna for vehicle, also comprises: low noise amplifier (LNA), amplifies by described gps antenna and the described signal for the antenna reception of broadcasting.
(effect of invention)
The in-built antenna integrated structure for vehicle of the present invention is the antenna for broadcasting to be inserted in to the hole forming at gps antenna, and then to create and can effectively use the effect of antenna integrated inner space.
In addition, use can be eliminated the band stop filter of GPS frequency band territory signal, and then creates the minimized effect of interference of sening as an envoy between gps signal and broadcast singal.
Accompanying drawing explanation
Fig. 1 is traditional antenna integrated exemplary plot for vehicle.
Fig. 2 is according to one embodiment of the invention, for the antenna integrated exemplary plot of vehicle.
Fig. 3 is according to one embodiment of the invention, gps antenna exemplary plot.
Fig. 4 is according to one embodiment of the invention, in the antenna integrated interior gps antenna for vehicle and the exemplary plot combining for broadcast antenna.
Fig. 5 is according to one embodiment of the invention, in the exemplary plot for comprising in vehicle antenna integrated that band stop filter forms.
(label declaration)
100: for the antenna 200:GPS antenna of onboard system unit
300: for the antenna 400 of broadcasting: band stop filter
Embodiment
With reference to accompanying drawing, by explanation most preferred embodiment, can more clearly aforesaidly also have additional phenomenon of the present invention.Following, by this embodiment, in order to make practitioner easily understand and can reproduce, be elaborated.
Fig. 2 is according to one embodiment of the invention, for the antenna integrated exemplary plot of vehicle.
As shown in the figure, antenna integrated for vehicle, also comprises: for antenna 100, gps antenna 200 and the antenna 300 for broadcasting of onboard system unit (Telematics Unit, TMU).For the antenna 100 of board units, as forming for onboard system in vehicle, and then for the onboard system signal of antenna 100 receptions of onboard system unit, by matching circuit, be sent to the head unit of vehicle.
For the antenna 100 of board units, designed according to the frequency band territory for board units of every country.Preferably, at the antenna 100 for board units of the present invention, be, in order to be used in the antenna in Chinese onboard system 821MHz～894MHz frequency band territory.
As shown in Figure 3, there is hole (Hole) as paster antenna in gps antenna 200, and turn round by indirect supply power mode in order to form hole.Supply power mode is indirectly, utilizes the way of contact of the electrode of bipolar (Bipolar) phenomenon, in order to form hole at gps antenna 200, utilizes the indirect supply power mode of divergence type.
The antenna 300 that is used for broadcasting, as the antenna for receiving digital broadcast signal, by the signal of antenna 300 receptions for broadcasting, is sent to the head unit of vehicle by matching circuit, low noise amplifier and band pass filter.
In one embodiment of the invention, for the antenna 300 of broadcasting, be in order to receive the antenna of Chinese Digital broadcast (China Mobile Multimedia Broadcasting, CMMB) signal.As a reference, 470MHz～800MHz frequency band territory is used in Chinese Digital broadcast.
As shown in Figure 4, for the antenna integrated antenna 300 for broadcasting that makes unipole antenna form of vehicle, insert in the hole of gps antenna 200 and the combination of the holding wire electrical resistance of PCB face.At this moment, the holding wire of gps antenna 200 is separated respectively with the holding wire of antenna 300 for broadcasting, and then can avoid according to the hydraulic performance decline of interfering between passive antenna.
Of the present invention antenna integrated be gps antenna 200 with antenna 300 for broadcasting in conjunction with and be configured in an antenna space, and then make other antenna append location in the existing space for other antenna of the antenna integrated inside of vehicle.For example, for the antenna integrated interior remaining space of vehicle, can append and be suitable for for Wi-Fi, for the antenna of LTE.
In addition, as shown in Figure 5, for the antenna integrated band stop filter 400 that also comprises of vehicle.Band stop filter 400 comprise reason and effect as follows.
This situation, the radial pattern of gps antenna 200 is subject to the impact of the radial pattern of the antenna 300 for broadcasting, and causes the performance that receives signal to decline.
In order to prevent identical therewith hydraulic performance decline, in the bottom of the antenna 300 for broadcasting, insert band stop filter 400, can eliminate the signal in GPS frequency band territory.Preferably, band stop filter 400 can be inserted in the space that has prescribed level (for example, 1/4 of gps antenna 200 bottoms) in GPS inside.Band stop filter 400 is as the filter with the characteristic contrary with band pass filter, all frequencies between the top of attenuation settings and bottom screening frequencies, the filter that the upper lower frequency in this screening frequencies band territory is passed through.
By an embodiment, band stop filter 400 can be realized as Fig. 5 (a) inserts for the ceramic filter in territory, mask tape.Ceramic filter is by the intrinsic vibration control resonant tank of ceramic resonator (piezo-electric resonator), the filter that only makes the composition of this frequency field pass through.Because this ceramic filter is stronger than the selectivity characteristic of LC filter, it is the filter that is used in the parts in intermediate frequency loop.
By other embodiment, band stop filter 400 is likely metal mode.Band stop filter 400 is as Fig. 5 (b), in the inside of gps antenna 200, with the surface in the space of prescribed level, can directly realize with metal mode.
Identical therewith, utilize band stop filter 400 and then eliminate the gps signal in the broadcast singal receiving by the antenna 300 for broadcasting, can make the interference of broadcast singal and gps signal minimize.
Till now, centered by most preferred embodiment, the present invention is observed.Technical field under the present invention has the technical staff of common knowledge, is appreciated that, in being no more than the characteristic range of internal of the present invention, the form that can be out of shape realizes.Therefore disclosed embodiment is not determinate viewpoint, but will in illustrative viewpoint, consider.Scope of the present invention is to be embodied in claim scope, is not in aforesaid explanation, and all differences point in equal scope will be interpreted as being included in the present invention therewith.
Claims (10)
1. antenna integrated for vehicle, is characterized in that,
Be used for the antenna integrated of vehicle, comprise: gps antenna, the signal in reception GPS frequency band territory; And the antenna for broadcasting, the signal in reception broadcasting frequency band territory,
Describedly for the antenna of broadcasting, be inserted in the hole (Hole) forming at described gps antenna, and there is the surperficial streaming current identical with described gps antenna.
2. antenna integrated for vehicle according to claim 1, is characterized in that,
Described gps antenna is to turn round by indirect current supply power mode.
3. antenna integrated for vehicle according to claim 1, is characterized in that,
Described is CMMB (China Mobile Multimedia Broadcasting) antenna for the antenna of broadcasting.
4. antenna integrated for vehicle according to claim 1, is characterized in that, also comprises:
Band stop filter (band-stop filter), shields the signal in described GPS frequency band territory.
5. antenna integrated for vehicle according to claim 4, is characterized in that,
Described band stop filter is positioned at the described bottom for the antenna of broadcasting.
6. antenna integrated for vehicle according to claim 5, is characterized in that,
Described band stop filter is positioned at the prescribed level space of described gps antenna inside.
7. antenna integrated for vehicle according to claim 6, is characterized in that,
Described band stop filter consists of pottery or metal mode.
8. antenna integrated for vehicle according to claim 1, is characterized in that,
Described gps antenna is incorporated into identical fixing base with described for the antenna of broadcasting.
9. antenna integrated for vehicle according to claim 1, is characterized in that,
Unipole antenna form described inserts for the antenna of broadcasting in the hole of described gps antenna, and with the holding wire electrical resistance combination of identical fixing base, and the holding wire that makes respectively described gps antenna is separated with the described holding wire for the antenna of broadcasting.
10. according to arbitrary described antenna integrated for vehicle of claim 1 to 9, it is characterized in that, also comprise:
Low noise amplifier (LNA), amplifies by described gps antenna and the described signal for the antenna reception of broadcasting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0097170 | 2012-09-03 | ||
| KR1020120097170A KR20140030688A (en) | 2012-09-03 | 2012-09-03 | Integrated antenna for the vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103682681A true CN103682681A (en) | 2014-03-26 |
Family
ID=50319442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310311424.5A Pending CN103682681A (en) | 2012-09-03 | 2013-07-23 | Integrated antenna for vehicles |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20140030688A (en) |
| CN (1) | CN103682681A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099322A (en) * | 2016-08-01 | 2016-11-09 | 卜放 | Car antenna |
| CN107017455A (en) * | 2015-09-29 | 2017-08-04 | 原田工业株式会社 | Antenna assembly |
| CN111492534A (en) * | 2017-12-20 | 2020-08-04 | 株式会社友华 | Vehicle-mounted antenna device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102238497B1 (en) * | 2020-01-03 | 2021-04-08 | 경상국립대학교산학협력단 | Beam reconfigurable antenna apparatus for wide coverage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2305860A1 (en) * | 2000-04-20 | 2001-10-20 | Peter Johann Kielland | Car radio antenna with integrated gps means |
| CN1493095A (en) * | 2001-02-23 | 2004-04-28 | 株式会社友华 | Antenna incorporating filter |
| CN1778017A (en) * | 2003-04-24 | 2006-05-24 | 旭硝子株式会社 | Antenna device |
| US20090058731A1 (en) * | 2007-08-30 | 2009-03-05 | Gm Global Technology Operations, Inc. | Dual Band Stacked Patch Antenna |
| CN102427170A (en) * | 2010-07-30 | 2012-04-25 | 株式会社友华 | Antenna device |
| CN102468529A (en) * | 2010-11-18 | 2012-05-23 | 上海汽车集团股份有限公司 | Multifunctional integrated antenna |
-
2012
- 2012-09-03 KR KR1020120097170A patent/KR20140030688A/en not_active Application Discontinuation
-
2013
- 2013-07-23 CN CN201310311424.5A patent/CN103682681A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2305860A1 (en) * | 2000-04-20 | 2001-10-20 | Peter Johann Kielland | Car radio antenna with integrated gps means |
| CN1493095A (en) * | 2001-02-23 | 2004-04-28 | 株式会社友华 | Antenna incorporating filter |
| CN1778017A (en) * | 2003-04-24 | 2006-05-24 | 旭硝子株式会社 | Antenna device |
| US20090058731A1 (en) * | 2007-08-30 | 2009-03-05 | Gm Global Technology Operations, Inc. | Dual Band Stacked Patch Antenna |
| CN102427170A (en) * | 2010-07-30 | 2012-04-25 | 株式会社友华 | Antenna device |
| CN102468529A (en) * | 2010-11-18 | 2012-05-23 | 上海汽车集团股份有限公司 | Multifunctional integrated antenna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017455A (en) * | 2015-09-29 | 2017-08-04 | 原田工业株式会社 | Antenna assembly |
| CN106099322A (en) * | 2016-08-01 | 2016-11-09 | 卜放 | Car antenna |
| CN106099322B (en) * | 2016-08-01 | 2019-04-16 | 安费诺三浦（辽宁）汽车电子有限公司 | Car antenna |
| CN111492534A (en) * | 2017-12-20 | 2020-08-04 | 株式会社友华 | Vehicle-mounted antenna device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140030688A (en) | 2014-03-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |