WO2013014719A1 - Appareil de formation d'images - Google Patents

Appareil de formation d'images Download PDF

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Publication number
WO2013014719A1
WO2013014719A1 PCT/JP2011/007157 JP2011007157W WO2013014719A1 WO 2013014719 A1 WO2013014719 A1 WO 2013014719A1 JP 2011007157 W JP2011007157 W JP 2011007157W WO 2013014719 A1 WO2013014719 A1 WO 2013014719A1
Authority
WO
WIPO (PCT)
Prior art keywords
fan
movable cover
imaging apparatus
exhaust port
imaging unit
Prior art date
Application number
PCT/JP2011/007157
Other languages
English (en)
Japanese (ja)
Inventor
友徳 水谷
真 伊豫田
横田　康夫
美代子 入来院
康広 宮本
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Publication of WO2013014719A1 publication Critical patent/WO2013014719A1/fr

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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
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/043—Protective lens closures or lens caps built into cameras
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
    • 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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/04—Roll-film cameras
    • G03B19/07—Roll-film cameras having more than one objective
    • 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
    • G03B35/00—Stereoscopic photography
    • G03B35/08—Stereoscopic photography by simultaneous recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements

Definitions

  • the present invention relates to an imaging device including a plurality of imaging means.
  • Recent digital cameras have increased power consumption of image sensors and camera controllers due to higher image quality and video shooting support, and the amount of heat generated by image sensors and camera controllers has increased.
  • Patent Document 1 discloses a digital camera provided with a plurality of imaging means.
  • the digital camera described in Patent Literature 1 has two optical systems and two CCDs and other imaging elements to capture a stereoscopic image (3D image) that enables stereoscopic viewing, and controls the same subject to the left and right. It is possible to shoot from these two viewpoints.
  • the amount of heat generated in the image pickup unit is twice that of a digital camera having only one image pickup unit.
  • the amount of heat generated by the camera controller that processes the processed image is also relatively large.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an imaging apparatus that can prevent overheating inside the imaging apparatus.
  • an imaging apparatus includes an exterior case provided with an exhaust port, a fan, and a movable cover for protecting the exhaust port.
  • the fan exhausts the air inside the outer case to the outside through the exhaust port.
  • the movable cover closes the exhaust port in the closed state, and allows the exhaust port to communicate with the outside in the open state.
  • a vent hole for exhausting the fan is provided in the movable cover.
  • the exhaust port of the outer case and the vent hole of the movable cover may communicate with each other.
  • the image pickup apparatus can prevent overheating inside the image pickup apparatus when the fan provided inside the apparatus discharges air inside the apparatus.
  • the movable cover closes the exhaust port, thereby preventing dust and water droplets from entering the image pickup apparatus.
  • the perspective view which shows the external appearance of the digital camera of embodiment 1 is a perspective view showing the internal structure with the front case removed.
  • Schematic diagram explaining the detailed configuration of the imaging unit Schematic diagram centering on the configuration of the circuit block 1 is a front view with the slide cover removed.
  • FIG. 1 is a perspective view showing an appearance of a digital camera according to an embodiment of the present invention.
  • FIG. 2 is a perspective view showing the internal structure of FIG. 1 with the front case removed.
  • the digital camera is configured by housing a camera body 3 in an exterior case made up of a front case 1 and a back case 2.
  • the digital camera according to the present embodiment can capture a stereoscopic image that can be viewed stereoscopically.
  • the camera body 3 includes a first imaging unit 4 and a second imaging unit 5.
  • the first imaging unit 4 and the second imaging unit 5 are attached to a metal frame 6 inside the exterior case with a space therebetween.
  • the camera body 3 also includes a power supply block 7 that houses a battery (not shown) that serves as a power source for the digital camera, and a circuit block 8 that controls the operation of the camera body 3. Placed in the space.
  • the power supply block 7 supplies power for use in the camera body 3 to each unit.
  • the power supply block 7 accommodates a battery therein and further has a power supply terminal to which a power supply adapter for converting AC power into DC power is connected.
  • the first imaging unit 4 is disposed at the end of the exterior case (the right end in FIG. 1), and the second imaging unit 5 is disposed at substantially the center of the exterior case.
  • the first imaging unit 4 is an imaging unit that is always driven when an image is captured by a digital camera.
  • the second imaging unit 5 is an imaging unit that is driven only when capturing a stereoscopic image.
  • an operation unit 9 including a main power switch 9a and a release button 9b is provided on the upper surface of the outer case.
  • the front case 1 is provided with a slide cover 10 that can slide up and down to open and close the shooting windows 1a of the first imaging unit 4 and the second imaging unit 5.
  • a support attachment portion 11 is disposed on the bottom surface of the outer case so as to be exposed to the outside.
  • the support attachment part 11 is made of a metal such as a stainless alloy, and is used when the digital camera is installed on a support such as a tripod or a monopod.
  • the support fixture mounting portion 11 is fixed to the frame 6 and only a portion fixed to the support fixture such as a tripod or a monopod is exposed on the bottom surface portion of the exterior case.
  • an opening / closing lid 12 for opening and closing the opening for accommodating the battery in the internal space of the power supply block 7 is provided on the bottom surface of the back case 2 constituting the exterior case.
  • the user of the digital camera can attach / detach the battery to / from the power supply block 7 by opening / closing the opening / closing lid 12.
  • FIG. 3 is a schematic configuration diagram of a digital camera that explains the configuration of the first imaging unit 4 or the second imaging unit 5 in detail.
  • the first imaging unit 4 and the second imaging unit 5 have the same configuration.
  • the first imaging unit 4 and the second imaging unit 5 are arranged on the upper part of the front case 1 facing the shooting window 1a.
  • the first imaging unit 4 and the second imaging unit 5 include a lens unit, an image sensor 42 (52), a circuit board 43 (53), a lens group 44 (54), and an aperture unit. 45 (55) and a unit housing 46 (56).
  • the lens unit includes a lens 41a (51a) that receives the optical image A1 of the subject through the photographing window 1a, and a bending optical system 41b (51b) that guides the incident optical image A1 to the image sensor 42 (52).
  • the image sensor 42 (52) is disposed below the imaging unit, and converts the optical image A1 received by the lens unit into image data.
  • the image sensor 42 (52) is mounted on the circuit board 43 (53), and is composed of, for example, CMOS.
  • a circuit board 43 (53) is mounted with a circuit for controlling the image sensor 42 (52) and processing image data obtained from the image sensor 42 (52).
  • the lens group 44 (54) and the aperture unit 45 (55) are disposed between the lens unit and the image sensor 42 (52).
  • the unit housing 46 (56) accommodates the components constituting each of the first imaging unit 4 and the second imaging unit 5 as described above.
  • a camera monitor 13 composed of a liquid crystal display or the like is disposed on the rear surface of the rear case 2.
  • FIG. 4 is a schematic configuration diagram mainly showing the configuration of a circuit block that controls the operation of the camera body 3.
  • the circuit block 8 includes a camera controller 16, a lens controller 17, a drive unit, and a memory 19.
  • the circuit board 43 (53) includes the timing signal generator 14 and the AD converter 15.
  • the image sensor 42 (52) converts the optical image of the subject incident through the lens unit into image data such as still image data and moving image data.
  • the image sensor 42 (52) operates based on the timing signal from the timing signal generator 14 mounted on the circuit board 43 (53), and converts the optical image into image data.
  • the image data converted by the image sensor 42 (52) is converted into a digital signal by the AD converter 15 mounted on the circuit board 43 (53) and sent to the camera controller 16 for image processing.
  • the image processing here is, for example, gamma correction processing, white balance correction processing, scratch correction processing, YC conversion processing, electronic zoom processing, JPEG compression processing, and the like.
  • the camera controller 16 controls each part of the camera body 3 in response to an instruction from the operation unit 9. Specifically, the camera controller 16 transmits a signal for controlling the first imaging unit 4 and the second imaging unit 5 to the lens controller 17 and receives various signals from the lens controller 17. Based on the control signal of the lens controller 17, the drive unit 18 drives each lens group (zoom lens group, OIS lens group, focus lens group) of the optical system of the first imaging unit 4 and the second imaging unit 5, The diaphragm unit 45 (55) is controlled.
  • the aperture unit 45 (55) is a light amount adjusting member that adjusts the amount of light transmitted through the optical system.
  • the memory 19 is used for the camera controller 16 to temporarily store data when the camera controller 16 performs drive control of each lens group of the first imaging unit 4 and the second imaging unit 5 and the aperture unit 45 (55). It is used for storing programs and parameters for controlling the camera controller 16.
  • the card slot 20 is a slot into which the memory card 21 is detachably attached.
  • the card slot 20 controls the memory card 21 based on a control signal transmitted from the camera controller 16, and writes and reads still image data and moving image data obtained from the image sensor 42 (52).
  • the card slot 20 is attached to the space where the power supply block 7 is arranged in the outer case, and the memory card 21 is attached / detached by the card slot 20 by opening the opening / closing lid 12 for attaching / detaching the battery. Configured to be able to.
  • the moving image data generated by the image sensor 42 (52) is also used for displaying a through image.
  • the through image is an image in which data is not recorded in the memory card 21 among the moving image data.
  • the through image is processed by the camera controller 16 and displayed on the camera monitor 13 for the user to determine the composition of the moving image or still image.
  • the digital camera of this embodiment includes a slide cover 10. 1A shows a state where the slide cover 10 is closed, and FIG. 1B shows a state where the slide cover 10 is opened.
  • the slide cover 10 is installed on the front surface of the front case 1. When the slide cover 10 is opened / closed, the photographing window 1a is exposed / closed.
  • the slide cover 10 is provided with a plurality of slits 10 a as vent holes at an intermediate position corresponding to between the first imaging unit 4 and the second imaging unit 5.
  • FIG. 5 is a front view of the digital camera of this embodiment when the slide cover is removed.
  • the digital camera of this embodiment includes a fan 22 for exhausting air in the exterior case.
  • the fan 22 is provided at a position between the first imaging unit 4 and the second imaging unit 5.
  • the front case 1 is provided with an exhaust port 1b for exhausting the air flow generated by the fan 22 to the outside of the digital camera.
  • the fan 22 is accommodated in the exhaust port 1 b and installed on the camera body 3.
  • the first imaging unit 4 and the second imaging unit 5 generate image data based on the subject light incident through the imaging window 1a.
  • FIG. 6 is a cross-sectional view for explaining the positional relationship between the fan 22 and the slide cover 10.
  • This cross-sectional view is a cross-sectional view taken along line AA of FIG.
  • FIG. 6A is a diagram of a state when shooting is not performed
  • FIG. 6B is a diagram of a state when shooting is performed.
  • the slide cover 10 is arranged at a position to close the photographing window 1a and the exhaust port 1b provided in the front case 1 of the exterior case.
  • the slide cover 10 is provided with a slit 10a for the fan 22 to exhaust.
  • the slit 10a is provided in the slide cover 10 so as to be positioned at the front portion of the exhaust port 1b when the slide cover 10 is opened.
  • the fan 22 operates when, for example, the camera body 3 generates a particularly large amount of heat (such as when shooting a stereoscopic image or when shooting a high resolution). As the fan 22 discharges the heated air inside the exterior case, the camera body 3 is cooled. When the camera body 3 is cooled, noise from the image sensor caused by the operating temperature of the camera body 3 can be reduced.
  • the digital camera of this embodiment can prevent overheating inside the digital camera by the fan 22 discharging air inside the digital camera.
  • the slide cover 10 closes the exhaust port 1b and the photographing window 1a, thereby preventing intrusion of dust and water droplets from the exhaust port 1b. Can be protected.
  • the fan 22 is arranged in front of the digital camera, there is an advantage that the user can operate the digital camera without paying attention to the operation of the fan 22.
  • the installation of the exhaust port 1b and the fan 22 at the positions shown in FIG. 5 is particularly suitable for cooling the image sensors 42 and 52 that generate a lot of heat.
  • the fan 22 is operated during shooting when the camera body 3 generates a large amount of heat.
  • the fan may operate when the slide cover 10 is opened, and the fan may be stopped when the slide cover 10 is closed.
  • a temperature sensor may be disposed in the exterior case, and temperature information detected by the temperature sensor may be transmitted to the camera controller 16. Based on the temperature information from the temperature sensor, the camera controller 16 operates the fan 22 when the temperature inside the outer case exceeds the threshold temperature, and stops the fan 22 when the temperature inside the outer case falls below the threshold temperature. It ’s okay. Even if it is such a structure, the effect similar to the above-mentioned embodiment is acquired. Furthermore, there is an advantage that battery consumption by the fan 22 can be minimized.
  • the power switch of the digital camera body may be interlocked with the opening / closing of the slide cover 10. That is, the digital camera may be turned on when the slide cover 10 is opened, and the digital camera may be turned off when the slide cover 10 is closed.
  • the exhaust port 1b is disposed between the first imaging unit 4 and the second imaging unit 5.
  • the present invention is not limited to this, and is disposed at another position. May be done.
  • the fan 22 and the slit 10a are arranged according to the position of the exhaust port 1b.
  • the first imaging unit 4 is disposed at the end of the outer case, and the second imaging unit 5 is disposed at substantially the center of the outer case.
  • the 1st imaging unit 4 may be arrange
  • a digital camera including two imaging units is illustrated, but the present invention is not limited to this.
  • the present invention can also be applied to a digital camera including one imaging unit or a digital camera including three or more imaging units.
  • the slit 10a is provided in the slide cover 10 as a vent hole for exhausting the fan 22, but the present invention is not limited to this.
  • the vent hole of the slide cover 10 may have a shape other than the slit. For example, one hole having the same size as the fan 22 may be provided.
  • the slide cover 10 may not be provided with a vent hole. This will be described with reference to FIG. 7A shows a state where the slide cover 10 is closed, and FIG. 7B shows a state where the slide cover 10 is opened. As shown in FIG. 7, even if the slide cover 10 is not provided with a vent hole, the photographing window 1a and the exhaust port 1b can be closed simultaneously or communicated with the outside, as in the above-described embodiment. it can.
  • the movable cover for closing the photographing window 1a and the exhaust port 1b is a slide cover, but the present invention is not limited to this.
  • a movable system other than sliding may be used.
  • a cover having one end fixed by a hinge may be used.
  • the present invention is useful in preventing overheating of the imaging device.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Studio Devices (AREA)
  • Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Blocking Light For Cameras (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)

Abstract

L'invention concerne un appareil de formation d'images qui comporte un boîtier extérieur (1, 2) auquel est adjoint une ouverture d'échappement (1b), un ventilateur (22) et un couvercle mobile (10) destiné à protéger l'ouverture d'échappement. Le ventilateur (22) propulse de l'air depuis l'intérieur du boîtier extérieur (1, 2) vers l'extérieur par l'intermédiaire de l'ouverture d'échappement (1b). Le couvercle mobile (10) ferme l'ouverture d'échappement (1b) dans un état fermé et amène l'ouverture d'échappement (1b) à s'ouvrir vers l'extérieur dans un état ouvert. Un alésage de passage d'air (10a) destiné à propulser de l'air du ventilateur (22) peut également être prévu dans le couvercle mobile (10). On peut adopter une configuration dans laquelle on met en communication l'ouverture d'échappement (1b) dans le boîtier extérieur (1, 2) et l'alésage de passage d'air (10a) dans le couvercle mobile (10) lorsque le couvercle mobile (10) se trouve dans l'état ouvert.
PCT/JP2011/007157 2011-07-26 2011-12-21 Appareil de formation d'images WO2013014719A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011162730A JP2014194438A (ja) 2011-07-26 2011-07-26 撮像装置
JP2011-162730 2011-07-26

Publications (1)

Publication Number Publication Date
WO2013014719A1 true WO2013014719A1 (fr) 2013-01-31

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Application Number Title Priority Date Filing Date
PCT/JP2011/007157 WO2013014719A1 (fr) 2011-07-26 2011-12-21 Appareil de formation d'images

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JP (1) JP2014194438A (fr)
WO (1) WO2013014719A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017527120A (ja) * 2014-08-29 2017-09-14 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 電子製品
JP2021184586A (ja) * 2020-05-21 2021-12-02 株式会社エクサウィザーズ 撮像装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003249782A (ja) * 2002-02-26 2003-09-05 Ricoh Co Ltd 小型機器の放熱構造
JP2007208614A (ja) * 2006-02-01 2007-08-16 Fujifilm Corp 撮像装置
JP2009033718A (ja) * 2007-06-28 2009-02-12 Olympus Imaging Corp 電子カメラ
JP2010154428A (ja) * 2008-12-26 2010-07-08 Panasonic Corp 撮像装置
JP2011087021A (ja) * 2009-10-13 2011-04-28 Nikon Corp 撮像装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003249782A (ja) * 2002-02-26 2003-09-05 Ricoh Co Ltd 小型機器の放熱構造
JP2007208614A (ja) * 2006-02-01 2007-08-16 Fujifilm Corp 撮像装置
JP2009033718A (ja) * 2007-06-28 2009-02-12 Olympus Imaging Corp 電子カメラ
JP2010154428A (ja) * 2008-12-26 2010-07-08 Panasonic Corp 撮像装置
JP2011087021A (ja) * 2009-10-13 2011-04-28 Nikon Corp 撮像装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017527120A (ja) * 2014-08-29 2017-09-14 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 電子製品
US10130005B2 (en) 2014-08-29 2018-11-13 Huawei Technologies Co., Ltd. Electronic product
JP2021184586A (ja) * 2020-05-21 2021-12-02 株式会社エクサウィザーズ 撮像装置

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