WO2016171415A1 - 차량용 안테나 - Google Patents
차량용 안테나 Download PDFInfo
- Publication number
- WO2016171415A1 WO2016171415A1 PCT/KR2016/003627 KR2016003627W WO2016171415A1 WO 2016171415 A1 WO2016171415 A1 WO 2016171415A1 KR 2016003627 W KR2016003627 W KR 2016003627W WO 2016171415 A1 WO2016171415 A1 WO 2016171415A1
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- WO
- WIPO (PCT)
- Prior art keywords
- disposed
- antenna
- spring
- vehicle
- metal
- Prior art date
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Classifications
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
- H01Q1/46—Electric supply lines or communication lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/085—Flexible aerials; Whip aerials with a resilient base
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
-
- 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
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
- H01Q5/364—Creating multiple current paths
- H01Q5/371—Branching current paths
Definitions
- the present invention relates to a vehicle antenna.
- an antenna for receiving AM and FM broadcasts mounted on an upper part of a vehicle is a spring applied to an upper part, a middle part, or a bottom part of a dipole antenna, and is embedded in a micro pole antenna or a shark fin antenna.
- the double micro pole antenna is formed in a cylindrical shape by first filling the inside of the antenna of the spring structure with plastic injection and then wrapping the outside with plastic again.
- a structure has a disadvantage in that the antenna of the spring structure does not match the resonance frequency of the antenna unless it is located at the center of the injection molding, and thus does not have a collective performance.
- the shark fin antenna is a structure in which the spring and the metal of various shapes are coupled, various structures are mass-produced, but there is a difficult problem to improve the reception performance compared to the micro pole antenna.
- micro pole antenna or shark fin antenna has a problem in that the size thereof is limited.
- the technical problem to be solved by the present invention is to provide a vehicle antenna as an antenna embedded in the shark fin housing, to enhance the performance by enhancing the horizontal and vertical polarization characteristics.
- Another technical problem to be solved by the present invention is to provide a vehicle antenna that is lighter and smaller than a conventional shark fin antenna.
- the vehicle antenna of an embodiment of the present invention the spring portion disposed perpendicular to the roof of the vehicle; And a metal part vertically disposed above the spring part, wherein the metal part comprises: a first part extending from a first body; A second part extending from the first body and disposed at a predetermined distance from the first part; And a third part extending from the first body, disposed between the first and second parts, and bent to form a predetermined angle with the first and second parts.
- the vehicle antenna of an embodiment of the present invention may further include a magnetic body portion formed under the metal portion.
- An antenna for a vehicle may include a power supply unit disposed under the spring unit to feed a current; And a transmission part disposed between the spring part and the metal part to transmit a current.
- the feeding part the second body having a diameter corresponding to the diameter of the cross section of the spring; A first insertion part configured on one surface of the second body and having a diameter smaller than that of the second body; And a first probe configured on the other surface of the second body to receive a current.
- the transmission unit the third body having a diameter corresponding to the diameter of the cross section of the spring; A second insertion part formed on one surface of the third body and having a diameter smaller than that of the third body; And a second probe configured on the other surface of the third body to transmit a current to the metal part.
- the metal portion, a hole corresponding to the second probe may be formed in the first body.
- the third portion may be bent in a U or V shape.
- the vehicle antenna of an embodiment of the present invention the first antenna disposed on the roof of the vehicle, for receiving a signal of a predetermined first band; And a second antenna disposed on a roof of the vehicle and receiving a signal of a predetermined second band in a shaded area of the first antenna, wherein the first antenna is disposed perpendicular to the roof of the vehicle.
- a spring part A metal part disposed vertically on the spring part; A magnetic body portion formed under the metal portion; A feeding part disposed under the spring part to feed a current; And a transmission part disposed between the spring part and the metal part to transmit a current
- the metal part comprises: a first part extending from the body; A second part extending from the body and disposed at a predetermined distance from the first part; And a third part extending from the body and disposed between the first and second parts and bent to form a predetermined angle with the first and second parts.
- the reception of vertical polarization is maximized by the metal part horizontal to the roof of the vehicle and the third part and the spring part bent at a predetermined angle from the metal part. It can be maximized.
- the magnetic body blocks the interference to the secondary radiation wave generated at the lower end of the antenna, and at the same time, the antenna can be miniaturized due to the high permeability.
- FIG. 1 is an exploded configuration diagram for schematically illustrating a vehicle antenna of an embodiment of the present invention.
- FIG. 2 is an enlarged view illustrating an example of A of FIG. 1.
- Figure 3 is an exemplary view of a vehicle antenna of an embodiment of the present invention actually implemented.
- 4A and 4B are exemplary views illustrating horizontal polarization reception rates of a vehicle antenna according to an embodiment of the present invention.
- 5A and 5B are exemplary views illustrating the vertical polarization reception rate of a vehicle antenna according to an embodiment of the present invention.
- 6A and 6B are exemplary views illustrating vertical and horizontal polarization reception rates of a vehicle antenna according to an embodiment of the present invention.
- FIG. 7 is an exemplary view for explaining the resonance characteristics of the vehicle antenna of the present invention.
- FIG. 8A illustrates an example in which a vehicle antenna of an embodiment of the present invention is mounted on a vehicle.
- 8B is an exemplary view illustrating an example in which antennas of various bands are mounted in a shaded area of a vehicle antenna of the present invention.
- FIG. 1 is an exploded configuration diagram schematically illustrating a vehicle antenna according to an embodiment of the present invention
- FIG. 2 is an exemplary enlarged view of A of FIG. 1
- FIG. 3 is a vehicle for an embodiment of the present invention actually implemented.
- An antenna One example of an antenna.
- the vehicle antenna 1 As shown in the figure, the vehicle antenna 1 according to an embodiment of the present invention, the power supply portion 10, the spring portion 20, the current transfer portion 30, the metal portion 40 and the magnetic body portion 50 It may include, it may be formed inside the shark antenna.
- the spring part 20 may be disposed perpendicular to the roof 2 of the vehicle, and the metal part 40 may be formed perpendicular to the spring part 20.
- the power supply unit 10 may feed the vehicle antenna 1 of the present invention. That is, the power supply unit 10 may be coupled to the spring unit 20 to supply a current required for the emission of the signal.
- the spring part 20 is coupled to the metal part 40 through the current transfer part 30, and in this case, an antenna for broadcasting reception is formed by directly coupling with the magnetic body part 50 formed under the metal part 40. can do.
- the magnetic body part 50 is disposed under the metal part 40 and, when mounted on a vehicle, blocks the interference of the secondary radiation wave generated from the lower part of the shark antenna and at the same time has a high permeability.
- the size is smaller and the reception performance is better.
- the magnetic body constituting the magnetic body part 50 includes a magnetic material, and may be made of various materials.
- one surface of the metal part 40 may be coated by the magnetic material.
- the exemplary embodiment is not limited thereto, and the magnetic material in the form of a film may be formed on the lower portion of the metal part 40 in various forms, such as being bonded through an adhesive.
- Metal part 40 of the present invention may be configured in a structure for enhancing the reception performance of the horizontal and vertical polarization.
- the metal part 40 of one embodiment of the present invention is formed to extend from the body 49, each parallel to the first portion 41, the second portion 43 and the first
- the third part 45 may be disposed between the first and second parts, and the third part 45 may be configured to be bent to form a predetermined angle with the first and second parts 41 and 43. .
- the third part 45 may be bent in a V shape or may be bent in a U shape from the first and second parts 41 and 43.
- the power supply unit 10 includes a body 11 having a diameter corresponding to the diameter of the cross section of the spring portion 20 and one surface of the body 11, and the diameter of the body 11.
- the insertion part 13 having a smaller diameter and the other surface of the body 11 may include a probe 17 for receiving a current.
- the insertion part 13 Since the insertion part 13 has a diameter smaller than the diameter of the cross section of the spring part 20, it may be inserted into the spring part 20.
- the current transmission unit 30 of the embodiment of the present invention the body 31 having a diameter corresponding to the diameter of the cross section of the spring portion 20, and is configured on one surface of the body 31, the body 31 Insertion portion 33 having a diameter smaller than) and the other surface of the body 31, and may include a probe 37 for transmitting a current to the metal portion (40).
- the insertion part 33 Since the insertion part 33 has a diameter smaller than the diameter of the cross section of the spring part 20, it may be inserted into the spring part 20.
- a hole 47 corresponding to the probe 37 may be formed in the body 49 of the metal part 40.
- the current applied from the probe 17 of the power supply unit 10 is transmitted to the current transfer unit 30 through the spring unit 20, and the metal unit 40 through the probe 37 of the current transfer unit 30.
- the signal applied through the metal part 40 may be transmitted in the reverse direction.
- 4A and 4B are exemplary views illustrating horizontal polarization reception rates of a vehicle antenna according to an embodiment of the present invention.
- the radiation pattern is formed as shown in Figure 4b by the metal part 40 of the vehicle antenna 1 of the present invention, the reception rate of the horizontal polarization is It can be seen that it is maximized.
- 5A and 5B are exemplary views illustrating the vertical polarization reception rate of a vehicle antenna according to an embodiment of the present invention.
- the third portion 45 of the metal portion 40 is formed at a predetermined angle with the horizontal surface along with the spring portion 20 in which the current is vertical from the horizontal plane, thereby vertically being an H-field.
- the current is formed, as the radiation pattern is formed as shown in FIG. 5B, the reception rate of the vertical polarized wave can be maximized.
- 6A and 6B are exemplary views illustrating vertical and horizontal polarization reception rates of a vehicle antenna according to an embodiment of the present invention.
- the E-field and the H-field are combined with each other, and as shown in FIG. 6A, the current is formed horizontally and vertically on the roof 2 of the vehicle and rotated as shown in FIG. 6B. By this, the reception performance can be maximized.
- FIG. 7 is an exemplary view for explaining the resonance characteristics of the vehicle antenna of the present invention.
- FIG 8A illustrates an example in which a vehicle antenna of an embodiment of the present invention is mounted on a vehicle.
- the housing of the shark fin antenna may be formed outside the vehicle antenna of the present invention.
- the vehicle antenna 1 of the present invention is disposed on the roof 2 of the vehicle, and it can be seen that a shaded area such as B occurs in the radiation of the antenna 1.
- an antenna having a different frequency band may be mounted in a shaded area.
- 8B is an exemplary view illustrating an example in which antennas of various bands are mounted in a shaded area of a vehicle antenna of the present invention.
- an antenna (not shown) for mobile communication is arranged in the C region, or digital multimedia broadcasting (digital)
- An antenna (not shown) for multimedia broadcasting (DMB) reception may be located in the D region.
- an antenna for receiving various signals may be disposed in a shaded area of the vehicle antenna of the present invention.
- the reception of the horizontal polarization is maximized by the metal part 40 horizontal to the roof of the vehicle, and the third part 45 bent at a predetermined angle from the metal part 40 and The spring portion 20 can maximize the reception of the vertical polarization.
- the magnetic body 50 blocks the interference of the secondary radiation wave generated at the lower end of the antenna, and at the same time, the antenna can be miniaturized due to the high permeability.
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Claims (8)
- 차량의 지붕에 수직으로 배치되는 스프링부; 및상기 스프링부의 상부에 수직으로 배치되는 메탈부를 포함하고,상기 메탈부는,제1바디로부터 연장되어 형성되는 제1부;상기 제1바디로부터 연장되어 형성되고, 상기 제1부와 소정 간격을 이루어 배치되는 제2부; 및상기 제1바디로부터 연장되어 형성되고, 상기 제1 및 제2부의 사이에 배치되며, 상기 제1 및 제2부와 소정 각도를 이루도록 절곡되어 형성되는 제3부를 포함하는 차량용 안테나.
- 제1항에 있어서,상기 메탈부의 하부에 형성되는 자성체부를 더 포함하는 차량용 안테나.
- 제1항에 있어서,상기 스프링부의 하부에 배치되어 전류를 급전하는 급전부; 및상기 스프링부와 상기 메탈부의 사이에 배치되어, 전류를 전달하는 전달부를 더 포함하는 차량용 안테나.
- 제3항에 있어서, 상기 급전부는,상기 스프링부의 단면의 지름에 대응하는 지름을 가지는 제2바디;상기 제2바디의 일면에 구성되며, 상기 제2바디의 지름보다 작은 지름을 가지는 제1삽입부; 및상기 제2바디의 타면에 구성되어, 전류를 수신하는 제1프로브를 포함하는 차량용 안테나.
- 제3항에 있어서, 상기 전달부는,상기 스프링부의 단면의 지름에 대응하는 지름을 가지는 제3바디;상기 제3바디의 일면에 구성되며, 상기 제3바디의 지름보다 작은 지름을 가지는 제2삽입부; 및상기 제3바디의 타면에 구성되어, 전류를 상기 메탈부에 전달하는 제2프로브를 포함하는 차량용 안테나.
- 제5항에 있어서, 상기 메탈부는,상기 제1바디에 상기 제2프로브에 대응하는 홀이 형성되는 차량용 안테나.
- 제1항에 있어서, 상기 제3부는,U 또는 V 형태로 절곡되는 차량용 안테나.
- 차량의 지붕에 배치되어, 소정 제1대역의 신호를 수신하는 제1안테나; 및상기 차량의 지붕에 배치되고, 상기 제1안테나의 음영지역에서, 소정 제2대역의 신호를 수신하는 제2안테나를 포함하고,상기 제1안테나는,차량의 지붕에 수직으로 배치되는 스프링부;상기 스프링부의 상부에 수직으로 배치되는 메탈부;상기 메탈부의 하부에 형성되는 자성체부;상기 스프링부의 하부에 배치되어 전류를 급전하는 급전부; 및상기 스프링부와 상기 메탈부의 사이에 배치되어, 전류를 전달하는 전달부를 포함하고,상기 메탈부는,바디로부터 연장되어 형성되는 제1부;상기 바디로부터 연장되어 형성되고, 상기 제1부와 소정 간격을 이루어 배치되는 제2부; 및상기 바디로부터 연장되어 형성되고, 상기 제1 및 제2부의 사이에 배치되며, 상기 제1 및 제2부와 소정 각도를 이루도록 절곡되어 형성되는 제3부를 포함하는 차량용 안테나.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/567,315 US10263322B2 (en) | 2015-04-24 | 2016-04-07 | Vehicle antenna |
JP2017554318A JP6679617B2 (ja) | 2015-04-24 | 2016-04-07 | 車両用アンテナ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2015-0057872 | 2015-04-24 | ||
KR1020150057872A KR102206159B1 (ko) | 2015-04-24 | 2015-04-24 | 차량용 안테나 |
Publications (1)
Publication Number | Publication Date |
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WO2016171415A1 true WO2016171415A1 (ko) | 2016-10-27 |
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ID=57143286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2016/003627 WO2016171415A1 (ko) | 2015-04-24 | 2016-04-07 | 차량용 안테나 |
Country Status (4)
Country | Link |
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US (1) | US10263322B2 (ko) |
JP (1) | JP6679617B2 (ko) |
KR (1) | KR102206159B1 (ko) |
WO (1) | WO2016171415A1 (ko) |
Families Citing this family (1)
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CN113839222B (zh) * | 2017-02-23 | 2024-01-02 | 株式会社友华 | 天线装置 |
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JPH10242731A (ja) * | 1997-02-24 | 1998-09-11 | Murata Mfg Co Ltd | アンテナ装置 |
JP2003017916A (ja) * | 2001-07-04 | 2003-01-17 | Nippon Antenna Co Ltd | 車載用アンテナ |
KR20110010607U (ko) * | 2011-02-17 | 2011-11-14 | 위너콤 주식회사 | 간접 커플링 급전구조 및 캐패시티브 톱 로딩 구조를 갖는 안테나 |
KR101347936B1 (ko) * | 2012-09-10 | 2014-01-08 | 주식회사 에이스테크놀로지 | 차량용 외장형 안테나 |
WO2014108176A1 (en) * | 2013-01-09 | 2014-07-17 | Thrane & Thrane A/S | A dual antenna |
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US7202826B2 (en) * | 2002-09-27 | 2007-04-10 | Radiall Antenna Technologies, Inc. | Compact vehicle-mounted antenna |
US7023379B2 (en) * | 2003-04-03 | 2006-04-04 | Gentex Corporation | Vehicle rearview assembly incorporating a tri-band antenna module |
CN103403964B (zh) * | 2011-01-12 | 2016-03-16 | 原田工业株式会社 | 天线装置 |
KR101431724B1 (ko) * | 2011-06-23 | 2014-08-21 | 위너콤 주식회사 | 방사효율을 향상시키고 신호간섭을 방지하는 차량용 방송안테나 및 이를 내부에 구비하는 차량용 샤크핀 안테나 장치 |
DE102011089805A1 (de) * | 2011-12-23 | 2013-06-27 | Continental Automotive Gmbh | Finnenförmiges Multiband-Antennenmodul |
JP5986634B2 (ja) * | 2012-06-26 | 2016-09-06 | 原田工業株式会社 | 低背型アンテナ装置 |
-
2015
- 2015-04-24 KR KR1020150057872A patent/KR102206159B1/ko active IP Right Grant
-
2016
- 2016-04-07 JP JP2017554318A patent/JP6679617B2/ja active Active
- 2016-04-07 US US15/567,315 patent/US10263322B2/en active Active
- 2016-04-07 WO PCT/KR2016/003627 patent/WO2016171415A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10242731A (ja) * | 1997-02-24 | 1998-09-11 | Murata Mfg Co Ltd | アンテナ装置 |
JP2003017916A (ja) * | 2001-07-04 | 2003-01-17 | Nippon Antenna Co Ltd | 車載用アンテナ |
KR20110010607U (ko) * | 2011-02-17 | 2011-11-14 | 위너콤 주식회사 | 간접 커플링 급전구조 및 캐패시티브 톱 로딩 구조를 갖는 안테나 |
KR101347936B1 (ko) * | 2012-09-10 | 2014-01-08 | 주식회사 에이스테크놀로지 | 차량용 외장형 안테나 |
WO2014108176A1 (en) * | 2013-01-09 | 2014-07-17 | Thrane & Thrane A/S | A dual antenna |
Also Published As
Publication number | Publication date |
---|---|
KR20160126602A (ko) | 2016-11-02 |
US20180108981A1 (en) | 2018-04-19 |
JP6679617B2 (ja) | 2020-04-15 |
US10263322B2 (en) | 2019-04-16 |
KR102206159B1 (ko) | 2021-01-21 |
JP2018514161A (ja) | 2018-05-31 |
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