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WO2018199077A1 - Dispositif d'antenne - Google Patents

Dispositif d'antenne Download PDF

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Publication number
WO2018199077A1
WO2018199077A1 PCT/JP2018/016575 JP2018016575W WO2018199077A1 WO 2018199077 A1 WO2018199077 A1 WO 2018199077A1 JP 2018016575 W JP2018016575 W JP 2018016575W WO 2018199077 A1 WO2018199077 A1 WO 2018199077A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
camera
camera body
cable
case
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.)
Ceased
Application number
PCT/JP2018/016575
Other languages
English (en)
Japanese (ja)
Inventor
林　健太郎
藤井　俊彦
優 清水
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokowo Co Ltd
Original Assignee
Yokowo Co Ltd
Yokowo Mfg Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yokowo Co Ltd, Yokowo Mfg Co Ltd filed Critical Yokowo Co Ltd
Priority to JP2019514525A priority Critical patent/JP7084917B2/ja
Priority to CN201890000430.5U priority patent/CN210129575U/zh
Publication of WO2018199077A1 publication Critical patent/WO2018199077A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • 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
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules

Definitions

  • the present invention relates to an antenna device including a camera.
  • Patent Document 1 an in-vehicle antenna device including a camera has been proposed.
  • an object of the present invention is to provide an antenna device with a camera in which a cable wired to a vehicle is reduced in weight.
  • An antenna device includes an antenna unit having an antenna element, a camera body, and an imaging unit having a wireless output unit that wirelessly outputs an image signal obtained by the camera body.
  • the image signal obtained by the camera body can be transmitted not only to the vehicle control device but also to other devices (for example, portable terminals) that can be wirelessly connected to the wireless output unit.
  • devices for example, portable terminals
  • the imaging unit is supplied with power from the substrate of the antenna unit.
  • the wireless output unit is provided outside the antenna case that covers the antenna unit.
  • the wireless output unit can be positioned away from the antenna unit. For this reason, it becomes possible to suppress interference between the radio wave received by the antenna element and the radio wave transmitted by the wireless output unit.
  • an antenna device with a camera in which a cable wired to a vehicle is reduced in weight.
  • FIG. 3 is a top view of the antenna device according to the first embodiment in which an exterior case and an interior case are omitted. It is a rear view of the antenna apparatus of 1st Embodiment. It is a perspective view of the antenna apparatus of 2nd Embodiment. It is a side view of the antenna apparatus of 2nd Embodiment. It is a section lineblock diagram of the antenna device of a 2nd embodiment.
  • FIG. 6 is a top view of an antenna device according to a second embodiment in which an exterior case and an interior case are omitted.
  • the antenna device 1 is attached to the upper surface of a vehicle such as a roof 100.
  • the antenna device 1 includes an antenna case 2, an antenna unit 3, an imaging unit 4, a base 5, and a mounting bracket 7 (see FIGS. 1 to 5).
  • the front-rear direction of the vehicle to which the antenna device 1 is attached will be described as the x direction, the left-right direction perpendicular to the x direction as the y direction, and the substantially vertical direction perpendicular to the x direction and the y direction as the z direction.
  • the directions indicated by the respective arrows on the xyz axis are defined as the forward direction, the right direction, and the upward direction, respectively.
  • the antenna case 2 is a member that covers members constituting the antenna device 1.
  • the antenna case 2 includes an exterior case 2a, an exterior pad 2b, and an interior case 2c.
  • the exterior case 2a and the interior case 2c have a so-called double case structure. It is desirable that the inner case 2c, the base 5, and the imaging unit 4 ensure the waterproofness of the upper surface of the base 5.
  • the outer case 2a is made of a synthetic resin having non-light-transmitting properties and radio wave transmitting properties.
  • the outer case 2a is a resin molded product formed of a synthetic resin containing polycarbonate and ASA (Acrylate Styrene Acrylonitrile).
  • ASA Acrylate Styrene Acrylonitrile
  • the exterior case 2a has, for example, a shark fin shape that is inclined so that the front side in the x direction is lower than the rear side in the x direction and both side surfaces are curved inward.
  • the exterior case 2a has an open bottom surface and covers the interior case 2c, the antenna unit 3, the imaging unit 4, and the like from above in the z direction.
  • the outer case 2a is provided with a first locking claw 2a1 for attachment to the base 5 so as to protrude downward from the inner wall in the z direction.
  • the first locking claw 2 a 1 engages with the second locking claw 5 a provided on the base 5.
  • the camera opening 21 is provided on an xz plane that passes through a substantially horizontal center on the back surface of the exterior case 2 a.
  • the camera opening 21 is disposed in a positional relationship passing on the xz plane passing through the substantially right and left center on the back surface of the exterior case 2a. For this reason, it is possible to shoot from the substantially right and left center on the back of the exterior case 2a, and it is possible to shoot a wide range of images in a state where the left and right are balanced.
  • the exterior pad 2b is an annular elastic member formed of an elastomer (Elastomer) or rubber.
  • the exterior pad 2b is fitted into the lower end periphery of the exterior case 2a, and functions as a blindfold for the gap between the lower end periphery of the exterior case 2a and the vehicle.
  • the lower surface and the rear surface of the interior case 2c are opened.
  • the interior case 2c covers the region from the portion where the antenna cable 35 of the antenna unit 3 is connected to the antenna substrate 33 to the point where the antenna cable 35 is inserted into the base opening 5b from above in the z direction.
  • the interior case 2c covers the antenna element 31 of the antenna unit 3 from above in the z direction.
  • the interior case 2c covers a region from the portion where the first camera cable 45a of the imaging unit 4 is connected to the camera substrate 46 to the time when the first camera cable 45a is inserted into the base opening 5b from above in the z direction.
  • the camera body 41 is attached to the opened portion on the back surface of the interior case 2c via the bracket 2c1 and packing.
  • the space between the interior case 2c and the camera body 41 is sealed by the bracket 2c1 and the packing.
  • the interior case 2c is made of a synthetic resin having a non-light-transmitting property and a radio wave transmitting property.
  • the interior case 2c is a resin molded product formed of a synthetic resin containing polycarbonate and ASA (Acrylate Styrene Acrylonitrile).
  • a screw hole used for screwing to the base 5 is provided at the lower end of the interior case 2c.
  • the antenna unit 3 includes an antenna element 31, an antenna substrate 33, and an antenna cable 35.
  • the antenna element 31 may be configured by a planar antenna for receiving satellite broadcasts, or may be configured by an upper element and a lower element for receiving AM / FM broadcasts.
  • the antenna element 31 is attached to the base 5 via the antenna substrate 33.
  • an antenna substrate 33 is attached to the base 5, a parasitic element is arranged on the upper surface, and an antenna element 31 including a patch antenna having a reception frequency of 2.4 GHz is mounted on the antenna substrate 33.
  • the antenna element 31 may be attached to the inner wall of the interior case 2c or the exterior case 2a.
  • the antenna cable 35 is used to supply power to an antenna amplifier provided on the antenna substrate 33 and to output a signal obtained by the antenna element 31.
  • the antenna cable 35 extending from the antenna substrate 33 extends downward in the z direction of the roof 100 through the base opening 5b and the roof opening 101.
  • the imaging unit 4 includes a camera body 41 including an imaging device such as a CMOS, a wireless output unit 42, a lens 43, a first camera cable 45 a, a camera substrate 46, and a cover 47.
  • the imaging unit 4 is disposed so that the imaging surface of the imaging element included in the camera body 41 faces the rear of the vehicle.
  • the image signal obtained by the camera body 41 may correspond to a moving image or may correspond to a still image.
  • the housing 41a of the camera body 41 is made of metal (for example, aluminum) that also serves as a shield conductor.
  • a housing 41a of the camera body 41 holds a circuit board and an image sensor. Further, the housing 41a of the camera body 41 covers other than the substantially x-direction rear side where the lens 43 is provided.
  • the wireless output unit 42 wirelessly transmits a control signal from a vehicle control device or a portable terminal to the camera body 41, or transmits an image signal obtained by the camera body 41 to a vehicle control device or a portable terminal.
  • the vehicle control device is a car navigation system.
  • a video signal line for outputting an image signal obtained by the imaging unit 4 to the outside, and a control signal from a vehicle control device or a mobile phone are transmitted to the camera body 41. There is no need to provide a cable including a control signal line.
  • the wireless communication means used in the wireless output unit 42 transmits its own identification information to the outside using a specific frequency band while the wireless communication means is turned on.
  • the specific frequency band includes at least one of a 2.4 GHz band and a 5 GHz band.
  • the wireless output unit 42 is provided in the vicinity of the camera body 41 between the outer case 2 a and the base 5.
  • the wireless output unit 42 is provided on the front side in the x direction of the camera body 41.
  • the power supply to the camera body 41 and the wireless output unit 42 is performed via the first camera cable 45a and the camera substrate 46 provided on the front side in the x direction of the camera body 41.
  • the power supply to the camera body 41 and the wireless output unit 42 may be performed via the antenna cable 35 and the antenna substrate 33 without providing the first camera cable 45a and the camera substrate 46.
  • the antenna device 1 can be miniaturized as much as the first camera cable 45a can be omitted, and the weight of the cable wired to the vehicle can be reduced.
  • the camera main body 41 and the lens 43 may be arranged at a position that does not face the camera opening 21 of the exterior case 2a.
  • a cylindrical light guide path connecting between the camera opening 21 and the lens 43 may be provided, and a light guide member such as a mirror may be provided in the light guide path.
  • the first camera cable 45a is used to supply power to the camera body 41.
  • the first camera cable 45a extends from the camera substrate 46 provided on the front side in the x direction of the camera body 41 through the interior case 2c, the base opening 5b, and the roof opening 101 to the lower side in the z direction of the roof 100.
  • the first camera cable 45a extending from the camera substrate 46 extends linearly in the substantially x direction perpendicular to the imaging surface of the image sensor and substantially in the x direction front side.
  • the first camera cable 45a is bent downward in the z direction near the upper side of the base opening 5b and extends downward in the z direction.
  • a cover 47 made of a synthetic resin having translucency is provided to protect the lens 43.
  • the cover 47 is attached to the camera body 41 in a detachable state with screws 47a or the like so as to seal the lens 43 with the camera body 41. That is, the cover 47 is disposed between the camera opening 21 and the lens 43.
  • the cover 47 is not limited to a form attached to the camera body 41, but may be a form attached to the outer case 2a (the inner wall thereof).
  • the base 5 is a metal base such as aluminum and has a substantially rectangular shape.
  • the base 5 has a second locking claw 5a that engages with the first locking claw 2a1 of the outer case 2a to lock the outer case 2a on the outer peripheral portion.
  • the base 5 is provided with a base opening 5b, and the antenna cable 35 and the first camera cable 45a extend from the antenna device 1 to the lower side in the z direction of the roof 100 through the base opening 5b.
  • the camera body 41 is connected to the base 5 via a ground plate (not shown), and the camera body 41 is grounded.
  • the camera body 41 and the base 5 may be connected to the ground via the bracket 2c1 or the first camera cable 45a.
  • the base 5 may be made of resin. In this case, it becomes easy to realize weight reduction and cost reduction compared with the form in which the base 5 is made of metal.
  • the camera body 41 is grounded by connecting a part of the first camera cable 45a to the roof 100 or connecting to a substrate (not shown) provided outside the camera body 41 using a plate (not shown). Is done.
  • the roof 100 of the vehicle is provided with a roof opening 101 through which a mounting member such as a bolt extending downward in the z direction from the base 5, the antenna cable 35, and the first camera cable 45 a pass.
  • the base 5 is fixed to the upper surface of the roof 100 by using a fitting 7 such as a capture fastener, a washer with a claw, or a nut.
  • the reception of the control signal to the camera body 41 and the transmission of the image signal from the camera body 41 are performed via the wireless output unit 42 housed in the antenna case 2. For this reason, it is not necessary to provide a video signal line inside the antenna case 2 for transmission and reception of control signals and image signals, and the first camera cable 45a can be made thinner by the amount of no video signal line. Therefore, it is possible to reduce the size of the antenna device 1 as compared with a mode in which the video signal line is included in the first camera cable 45a.
  • the vehicle control device for example, a car navigation system
  • the camera body 41 it is not necessary to provide a video signal line between the vehicle control device (for example, a car navigation system) and the camera body 41. For this reason, it can contribute to the weight reduction of the cable wired to a vehicle by the part which can omit a video signal line. In addition, the influence of the noise generated by the video signal line on the reception of the antenna element 31 of the antenna unit 3 can be reduced.
  • the first camera cable 45a includes only the power supply line. For this reason, the first camera cable 45a need not be wired from the camera body 41 to the vehicle control device. Therefore, the first camera cable 45a only needs to be wired to an electric device near the antenna device 1. For example, the first camera cable 45a is wired to the taillight. The distance between the electric device near the antenna device 1 and the camera body 41 is shorter than the distance between the vehicle control device and the camera body 41. For this reason, the cable length can also be shortened compared with the form which wires not only a power supply line but the cable containing a video signal line to the control apparatus of a vehicle.
  • the image signal obtained by the camera body 41 can be transmitted not only to the vehicle control device but also to other devices that can be wirelessly connected to the wireless output unit 42.
  • the image signal is transmitted to the mobile terminal.
  • the wireless output unit 42 is provided near the camera body 41 (front side in the x direction) between the exterior case 2a and the base 5 . However, it may be provided inside the vehicle and outside the antenna case 2 (see the second embodiment, FIGS. 6 to 9). For example, the wireless output unit 42 is provided below the base 5.
  • the wireless output unit 42 is disposed outside the antenna case 2.
  • the wireless output unit 42 and the camera board 46 are connected by a second camera cable 45b.
  • the second camera cable 45b includes a power supply line that supplies power to the camera body 41 via the wireless output unit 42, and a video signal line for transmitting and receiving control signals and image signals.
  • Power is supplied to the wireless output unit 42 from a power source connected to the wireless output unit 42.
  • power is supplied to the wireless output unit 42 from a power supply line to an electrical device near the wireless output unit 42 such as a taillight.
  • the power supply to the camera body 41 is performed from the power source connected to the wireless output unit 42 via the second camera cable 45b.
  • the wireless output unit 42 can be positioned away from the antenna unit 3. For this reason, it is possible to suppress interference between the radio wave received by the antenna element 31 and the radio wave transmitted by the wireless output unit 42.
  • the distance between the wireless output unit 42 and the camera body 41 is shorter than the distance between the vehicle control device and the camera body 41. For this reason, the cable length can be shortened as compared with a mode in which the video signal line is wired between the vehicle control device and the camera body 41, which can contribute to weight reduction of the cable wired to the vehicle.
  • the power supply to the camera body 41 may be performed via the antenna substrate 33.
  • power is supplied to the wireless output unit 42 through the antenna cable 35, the antenna substrate 33, and the second camera cable 45b. That is, a part of the power supplied to the antenna substrate 33 via the antenna cable 35 is supplied to the wireless output unit 42 via the second camera cable 45.
  • the power is supplied to the wireless output unit 42 directly from a power source (such as a taillight, to an electrical device near the wireless output unit 42) without using a device inside the antenna case 2 such as the antenna substrate 33. Supply line).
  • a power source such as a taillight, to an electrical device near the wireless output unit 42
  • the second camera cable 45 b between the camera body 41 and the wireless output unit 42 has a power supply line. It becomes unnecessary. For this reason, the 2nd camera cable 45b can be made thin compared with the case where an electric power supply line is included, and it can contribute to the weight reduction of the cable wired to a vehicle.
  • the mode in which the camera opening 21, the camera body 41, and the lens 43 are arranged in a positional relationship passing on the xz plane passing through the substantially right and left center on the back surface of the exterior case 2a has been described.
  • the camera opening 21, the camera body 41, and the lens 43 may be arranged in a positional relationship passing through an xz plane that is shifted from a substantially horizontal center on the back surface of the exterior case 2 a.
  • the camera opening 21, the camera body 41, and the lens 43 are arranged in a positional relationship passing on the xz plane that is shifted to the right in the y direction when viewed from the rear side in the x direction from the approximate left and right center on the back surface of the exterior case 2a.
  • the antenna element 31 is disposed on the front side in the x direction and the camera body 41 is disposed on the rear side in the x direction.
  • the positional relationship between the antenna element 31 and the camera body 41 is not limited to this.
  • the antenna element 31 may be disposed on the rear side in the x direction
  • the camera body 41 with the imaging surface of the image sensor facing the front of the vehicle may be disposed on the front side in the x direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)

Abstract

La présente invention concerne un dispositif d'antenne équipé d'une caméra dans lequel un câble câblé dans un véhicule peut être rendu plus léger. Un dispositif d'antenne 1 est pourvu d'une unité d'antenne 3 ayant un élément d'antenne 31. Le dispositif d'antenne 1 est pourvu d'une unité d'imagerie 4 comprenant: un corps de caméra 41; et une unité de sortie sans fil 42 qui fournit sans fil un signal d'image obtenu par le corps de caméra 41. L'unité de sortie sans fil 42 est disposée à l'extérieur d'un boîtier d'antenne 2 qui recouvre l'unité d'antenne 3.
PCT/JP2018/016575 2017-04-25 2018-04-24 Dispositif d'antenne Ceased WO2018199077A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019514525A JP7084917B2 (ja) 2017-04-25 2018-04-24 アンテナ装置
CN201890000430.5U CN210129575U (zh) 2017-04-25 2018-04-24 天线装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017085982 2017-04-25
JP2017-085982 2017-04-25

Publications (1)

Publication Number Publication Date
WO2018199077A1 true WO2018199077A1 (fr) 2018-11-01

Family

ID=63919761

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/016575 Ceased WO2018199077A1 (fr) 2017-04-25 2018-04-24 Dispositif d'antenne

Country Status (3)

Country Link
JP (1) JP7084917B2 (fr)
CN (1) CN210129575U (fr)
WO (1) WO2018199077A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113625509A (zh) * 2021-09-01 2021-11-09 深圳市神牛摄影器材有限公司 反光罩及其卡盘组件

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06188760A (ja) * 1992-12-22 1994-07-08 Mitsubishi Electric Corp 受信装置
US20060139454A1 (en) * 2004-12-23 2006-06-29 Trapani Carl E Method and system for vehicle-mounted recording systems
JP2012505115A (ja) * 2008-10-08 2012-03-01 デルファイ・テクノロジーズ・インコーポレーテッド 一体型レーダー−カメラセンサ
JP2016070926A (ja) * 2014-09-30 2016-05-09 日本電産エレシス株式会社 レーダー装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4062796B2 (ja) 1998-11-13 2008-03-19 ソニー株式会社 通信装置、通信方法及び通信装置を搭載する自動車
JP2004299511A (ja) 2003-03-31 2004-10-28 Clarion Co Ltd 車両後方確認装置
JP2013211652A (ja) 2012-03-30 2013-10-10 Jvc Kenwood Corp アンテナ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06188760A (ja) * 1992-12-22 1994-07-08 Mitsubishi Electric Corp 受信装置
US20060139454A1 (en) * 2004-12-23 2006-06-29 Trapani Carl E Method and system for vehicle-mounted recording systems
JP2012505115A (ja) * 2008-10-08 2012-03-01 デルファイ・テクノロジーズ・インコーポレーテッド 一体型レーダー−カメラセンサ
JP2016070926A (ja) * 2014-09-30 2016-05-09 日本電産エレシス株式会社 レーダー装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113625509A (zh) * 2021-09-01 2021-11-09 深圳市神牛摄影器材有限公司 反光罩及其卡盘组件

Also Published As

Publication number Publication date
JP7084917B2 (ja) 2022-06-15
CN210129575U (zh) 2020-03-06
JPWO2018199077A1 (ja) 2020-03-12

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