WO2018029739A1 - 移動体、及び撮像装置を製造する方法 - Google Patents
移動体、及び撮像装置を製造する方法 Download PDFInfo
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- WO2018029739A1 WO2018029739A1 PCT/JP2016/073264 JP2016073264W WO2018029739A1 WO 2018029739 A1 WO2018029739 A1 WO 2018029739A1 JP 2016073264 W JP2016073264 W JP 2016073264W WO 2018029739 A1 WO2018029739 A1 WO 2018029739A1
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- Prior art keywords
- housing
- image sensor
- unit
- mark
- moving body
- Prior art date
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Images
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/08—Arrangements of cameras
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U20/00—Constructional aspects of UAVs
- B64U20/80—Arrangement of on-board electronics, e.g. avionics systems or wiring
- B64U20/87—Mounting of imaging devices, e.g. mounting of gimbals
-
- 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
- G03B15/006—Apparatus mounted on flying objects
-
- 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
- H04N23/51—Housings
-
- 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
-
- 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
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
Definitions
- the present invention relates to a moving body and a method for manufacturing an imaging apparatus.
- Patent Document 1 and Patent Document 2 disclose a heat dissipation structure that dissipates heat generated by an image sensor.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2015-23343
- Patent Document 2 Japanese Patent Application Laid-Open No. 2015-72960
- heat generated by an image pickup device included in an image pickup device mounted on a moving body can be efficiently dissipated.
- a member that promotes the dissipation of heat generated by the imaging element can be disposed at an appropriate position in an imaging apparatus including the imaging element.
- a moving body includes an imaging unit, a support unit that supports the imaging unit, and a propulsion unit that propels the moving body.
- the imaging unit includes an image sensor, a housing that houses the image sensor, a member that transmits heat generated by the image sensor to the housing, and a heat dissipation unit that is provided on the outer surface of the housing.
- the imaging unit may further include a holding unit that holds the image sensor.
- the member may contact the inner surface of the housing and the holding portion.
- region which a member should contact may be provided in at least one of the inner surface of a housing
- the mark may be provided on the inner surface of the housing and may include a first mark indicating a region where a part of the member should contact.
- the mark may include a second mark that is provided on the holding portion and indicates a region that the other part of the member should contact.
- the holding unit may include a substrate on which the image sensor is mounted.
- An adjustment unit that is thermally connected to the substrate and adjusts the position or orientation of the substrate may be included.
- the member may contact the inner surface of the housing and the adjustment unit.
- the adjusting unit may include a first plate that adjusts the position of the substrate.
- the adjustment unit may include a second plate that adjusts the orientation of the substrate.
- the member may contact the inner surface of the housing and the first plate or the second plate.
- the heat dissipating part may be provided on a part of the outer surface of the casing, and may have higher heat dissipation efficiency than other regions on the outer surface of the casing.
- the heat radiating portion may have at least one of a concave portion and a convex portion provided on the outer surface of the housing.
- the heat dissipation part may have at least one fin as a convex part.
- the imaging unit may further include a lens that focuses incident light on the image sensor. At least one fin may be disposed along the optical axis of the lens.
- the heat dissipation part may have at least one of a plurality of dot-shaped concave portions and a plurality of dot-shaped convex portions as at least one of the concave portions and the convex portions.
- the heat radiating portion has at least one fin as a convex portion in the first region of the outer surface of the housing, and a plurality of dot-shaped concave portions as at least one of the concave portion and the convex portion in the second region of the outer surface of the housing. And at least one of a plurality of dot-like convex portions.
- the member may be a sheet.
- the sheet may include a metal layer.
- the sheet may further include an adhesive layer that partially contacts the inner surface of the housing.
- a moving body includes an imaging unit, a support unit that supports the imaging unit, and a propulsion unit that propels the moving body.
- the imaging unit may include an image sensor, a housing that houses the image sensor, and a sheet that transmits heat generated by the image sensor to the housing.
- the imaging unit may further include a holding unit that holds the image sensor.
- the sheet may contact the inner surface of the housing and the holding unit.
- seat should contact may be provided in at least one of the inner surface of a housing
- the mark may be provided on the inner surface of the housing, and may include a first mark indicating a region where a part of the sheet should contact.
- the mark may include a second mark that is provided on the holding unit and indicates a region that the other part of the sheet should contact.
- the holding unit may include a substrate on which the image sensor is mounted.
- the holding unit may include an adjusting unit that is thermally connected to the substrate and adjusts the position or orientation of the substrate.
- the sheet may contact the inner surface of the housing and the adjustment unit.
- the adjusting unit may include a first plate that adjusts the position of the substrate.
- the adjustment unit may include a second plate that adjusts the orientation of the substrate.
- the sheet may contact the inner surface of the housing and the first plate or the second plate.
- a moving body includes an imaging unit, a support unit that supports the imaging unit, and a propulsion unit that propels the moving body.
- the imaging unit is provided on at least one of the image sensor, the holding unit that holds the image sensor, the housing that houses the image sensor and the holding unit, and the inner surface of the housing or the holding unit, and generates heat generated by the image sensor. And a mark indicating an area to be contacted by a member transmitting to the housing.
- the mark may be provided on the inner surface of the housing, and may include a first mark indicating a region where a part of the member contacts.
- the mark may include a second mark that is provided on the holding portion and indicates a region that is in contact with another part of the member.
- the holding unit may include a substrate on which the image sensor is mounted.
- the holding unit may include an adjusting unit that is thermally connected to the substrate and adjusts the position or orientation of the substrate.
- the second mark may be provided on the adjustment unit.
- the adjusting unit may include a first plate that adjusts the position of the substrate.
- the adjustment unit may include a second plate that adjusts the orientation of the substrate.
- the second mark may be provided on the first plate or the second plate.
- the member may be a sheet.
- the sheet may include a metal layer.
- the sheet may further include an adhesive layer that partially contacts the inner surface of the housing.
- a method according to one embodiment of the present invention is a method of manufacturing an imaging device having an image sensor, a holding unit that holds the image sensor, and a housing that houses the image sensor and the holding unit, and the heat generated by the image sensor. Forming a mark indicating an area to be contacted by a member that transmits the material to the housing on at least one of the inner surface of the housing and the holding portion, and fixing the holding portion in the housing.
- the step of forming the mark may include a step of forming a first mark indicating a region where a part of the member should contact on the inner surface of the housing.
- the step of forming the mark may include a step of forming, on the holding portion, a second mark indicating a region to which another part of the member is to contact.
- the method of manufacturing the imaging device may further include a step of placing the member in contact with the holding portion and the inner surface of the housing in accordance with the mark.
- thermal radiation part It is a figure which shows an example of a thermal radiation part. It is a figure which shows an example of a thermal radiation part. It is a figure which shows an example of a thermal radiation part. It is a figure which shows an example of a thermal radiation part. It is a figure which shows an example of a thermal radiation part. It is a figure which shows an example of a thermal radiation part. It is a figure which shows another example of the member thermally connected with a 2nd board. It is a figure which shows an example of the state with which the 2nd board was attached to the housing
- FIG. 1 shows an example of the appearance of an unmanned aerial vehicle (UAV) 100.
- the UAV 100 includes a UAV main body 102, a gimbal 200, an imaging device 300, and a plurality of imaging devices 230.
- the UAV 100 is an example of a moving body propelled by a propulsion unit.
- the moving body is a concept including, in addition to UAV, other aircraft that moves in the air, vehicles that move on the ground, ships that move on the water, and the like.
- the UAV main body 102 includes a plurality of rotor blades.
- the plurality of rotor blades is an example of a propulsion unit.
- the UAV main body 102 flies the UAV 100 by controlling the rotation of a plurality of rotor blades.
- the UAV main body 102 causes the UAV 100 to fly using four rotary wings.
- the number of rotor blades is not limited to four.
- the UAV 100 may be a fixed wing aircraft that does not have a rotating wing.
- the imaging device 300 is an imaging camera that images a subject included in a desired imaging range.
- the imaging device 300 is an example of an imaging unit.
- the imaging apparatus 300 includes a lens unit including at least one lens and an imaging unit that generates image data from an image formed by the lens unit.
- the lens unit and the imaging unit may be configured integrally.
- the lens unit may be a so-called interchangeable lens and may be configured to be detachable from the imaging unit.
- the plurality of imaging devices 230 are sensing cameras that image the surroundings of the UAV 100 in order to control the flight of the UAV 100. Two imaging devices 230 may be provided on the front surface that is the nose of the UAV 100. Two other imaging devices 230 may be provided on the bottom surface of the UAV 100.
- the two imaging devices 230 on the front side may be paired and function as a so-called stereo camera.
- the two imaging devices 230 on the bottom side may also be paired and function as a stereo camera.
- Three-dimensional spatial data around the UAV 100 may be generated based on images captured by the plurality of imaging devices 230.
- the number of imaging devices 230 included in the UAV 100 is not limited to four.
- the UAV 100 only needs to include at least one imaging device 230.
- the UAV 100 may include at least one imaging device 230 on each of the nose, the tail, the side surface, the bottom surface, and the ceiling surface of the UAV 100.
- the angle of view that can be set by the imaging device 230 may be wider than that that can be set by the imaging device 300.
- the imaging device 230 may have a single focus lens or a fisheye lens.
- FIG. 2 shows an example of functional blocks of the UAV100.
- the UAV 100 includes a UAV control unit 110, a communication interface 150, a memory 160, a gimbal 200, a rotating blade mechanism 210, an imaging device 300, an imaging device 230, a GPS receiver 240, an inertial measurement device (IMU) 250, a magnetic compass 260, and an atmospheric pressure.
- An altimeter 270 is provided.
- the communication interface 150 communicates with an external transmitter.
- the communication interface 150 receives various commands for the UAV control unit 110 from a remote transmitter.
- the memory 160 stores programs necessary for the UAV control unit 110 to control the gimbal 200, the rotary blade mechanism 210, the imaging device 300, the imaging device 230, the GPS receiver 240, the IMU 250, the magnetic compass 260, and the barometric altimeter 270.
- the memory 160 may be a computer-readable recording medium and may include at least one of flash memory such as SRAM, DRAM, EPROM, EEPROM, and USB memory.
- the memory 160 may be provided inside the UAV main body 102. It may be provided so as to be removable from the UAV main body 102.
- the gimbal 200 supports the imaging device 300 so as to be rotatable about at least one axis.
- the gimbal 200 supports the imaging device 300 with the outer surface of the imaging device 300 exposed from the external environment.
- the gimbal 200 is an example of a support part.
- the gimbal 200 may support the imaging device 300 rotatably about the yaw axis, the pitch axis, and the roll axis.
- the gimbal 200 may change the imaging direction of the imaging device 300 by rotating the imaging device 300 about at least one of the yaw axis, the pitch axis, and the roll axis.
- the rotary blade mechanism 210 includes a plurality of rotary blades and a plurality of drive motors that rotate the plurality of rotary blades.
- the imaging apparatus 300 captures a subject within a desired imaging range and generates image data.
- Image data of the imaging apparatus 300 is stored in a memory included in the imaging apparatus 300 or the memory 160.
- the imaging device 230 captures the surroundings of the UAV 100 and generates image data.
- Image data of the imaging device 230 is stored in the memory 160.
- the GPS receiver 240 receives a plurality of signals indicating times transmitted from a plurality of GPS satellites.
- the GPS receiver 240 calculates the position of the GPS receiver 240, that is, the position of the UAV 100, based on the received signals.
- the inertial measurement device (IMU) 250 detects the posture of the UAV 100. As the posture of the UAV 100, the IMU 250 detects the acceleration in the three axial directions of the UAV 100 in the front, rear, left, and right directions, and the angular velocity in the three axial directions of pitch, roll, and yaw.
- the magnetic compass 260 detects the heading of the UAV 100.
- the barometric altimeter 270 detects the altitude at which the UAV 100 flies.
- the UAV control unit 110 controls the flight of the UAV 100 in accordance with a program stored in the memory 160.
- the UAV control unit 110 may be configured by a microprocessor such as a CPU or MPU, a microcontroller such as an MCU, or the like.
- the UAV control unit 110 controls the flight of the UAV 100 according to a command received from a remote transmitter via the communication interface 150.
- the UAV control unit 110 may specify the environment around the UAV 100 by analyzing a plurality of images captured by the plurality of imaging devices 230.
- the UAV control unit 110 controls the flight while avoiding obstacles based on the environment around the UAV 100, for example.
- the UAV control unit 110 may generate three-dimensional spatial data around the UAV 100 based on a plurality of images captured by the plurality of imaging devices 230, and control the flight based on the three-dimensional spatial data.
- FIG. 3 is a diagram illustrating an example of the appearance of the imaging apparatus 300.
- the imaging device 300 is supported by the UAV main body 102 via the gimbal 200.
- the imaging device 300 includes a housing 310 and a heat dissipation unit 320.
- the heat radiating part 320 is provided on the outer surface of the housing 310.
- the imaging device 300 includes an image sensor and a lens. The image sensor and the lens are accommodated in the housing 310. The lens focuses incident light on the image sensor.
- the heat dissipating part 320 may be provided on a part of the outer surface of the housing 310, and may have higher heat dissipation efficiency than other regions on the outer surface of the housing 310.
- the heat dissipating unit 320 may include a plurality of fins 322.
- the plurality of fins 322 may be disposed along the optical axis of the lens.
- the structure of the heat radiation part 320 is not limited to the above.
- the heat radiation part 320 may have at least one of a concave part and a convex part provided on the outer surface of the housing.
- the heat radiation part 320 may have at least one fin as a convex part.
- the heat radiation part 320 may have at least one of a plurality of dot-shaped concave portions and a plurality of dot-shaped convex portions.
- the heat dissipating part 320 has at least one fin as a convex part in the first region on the outer surface of the casing, and a plurality of dot-like shapes as at least one of the concave part and the convex part in the second region on the outer surface of the casing. You may have at least one of a recessed part and a some dot-shaped convex part.
- the imaging apparatus 300 may include a member such as a sheet that transmits heat generated by the image sensor to the housing 310.
- the member contacts the inner surface of the housing 310 and the holding unit that holds the image sensor. Heat generated by the image sensor is transmitted to the housing 310 through the member.
- the gimbal 200 supports the housing 310 in a state where the heat radiating unit 320 is exposed to the external environment.
- the external environment refers to a space in which the UAV 100 moves.
- the gimbal 200 may support the housing 310 in a state where the outer surface of the heat radiating unit 320 is exposed to the space in which the UAV 100 moves.
- the gimbal 200 may support the housing 310 in a state where the outer surface of the heat radiating unit 320 is exposed to the air in the space in which the UAV 100 moves.
- ⁇ Image quality deteriorates when the temperature of the image sensor rises. For example, when a handheld camera generates heat, measures are taken to interrupt the imaging operation by the camera, such as turning off the camera. However, since the imaging apparatus 300 mounted on the UAV 100 captures images in a limited time, it is not preferable to take measures that can be taken with a handheld camera. As the size of the image sensor increases, the need to cool the image sensor further increases. According to the imaging apparatus 300 according to the present embodiment, the heat transmitted to the housing 310 is efficiently dissipated through the heat radiating unit 320. When the UAV 100 is flying, it is easy for the heat radiation part 320 to hit the wind. Heat is more efficiently dissipated through the heat radiating part 320 by the wind.
- the imaging time of the image sensor can be lengthened. While the UAV 100 is flying, the imaging by the imaging device 300 can be continued. The size of the image sensor mounted on the imaging device 300 can be easily increased.
- FIG. 4 is an example of a cross-sectional perspective view of the imaging apparatus 300.
- the imaging apparatus 300 includes a lens 350 and an image sensor 330.
- the lens 350 includes a first lens group 352, a second lens group 354, a third lens group 356, and a fourth lens group 358.
- the first lens group 352, the second lens group 354, and the third lens group 356 may function as a zoom lens.
- the fourth lens group 358 may function as a focus lens.
- the configuration of the lens 350 is not limited to the above.
- the configuration of the lens 350 may be designed according to the function of the imaging device 300.
- the image sensor 330 is fixed to the housing 310 via the holding unit 340.
- the holding unit 340 holds the image sensor 330 while being thermally connected to the image sensor 330.
- the holding unit 340 includes a substrate 342, a first plate 344, and a second plate 346.
- the substrate 342 mounts the image sensor 330.
- the first plate 344 and the second plate 346 are an example of an adjustment unit that adjusts the position or orientation of the substrate 342.
- the first plate 344 and the second plate 346 may be metal plates.
- the image sensor 330, the substrate 342, the first plate 344, and the second plate 346 are thermally connected.
- a member such as a sheet may contact the inner surface 314 of the housing 310 and the adjustment unit.
- a member such as a sheet may contact the inner surface 314 of the housing 310 and the first plate 344 or the second plate 346.
- a state in which a certain member is thermally connected to the other member means that at least a part of the certain member and the other member are transferred so that heat from the certain member is directly transmitted to the other member.
- a state in which at least a part of the member is in direct contact. The state in which a certain member and another member are separated to such an extent that heat from the other member is indirectly transmitted to the other member via a medium such as air.
- the first plate 344 is fixed to the substrate 342 via screws. By adjusting the position of the substrate 342 relative to the first plate 344, the position of the image sensor 330 relative to the lens 350 can be adjusted.
- the second plate 346 is fixed to the first plate 344 via screws. By adjusting the direction of the substrate 342 with respect to the second plate 346, the direction of the image sensor 330 with respect to the lens 350 can be adjusted.
- the second plate 346 is fixed to the housing 310 via a screw.
- the imaging apparatus 300 further includes a shaft 360, a fixed cylinder 362, a cam cylinder 364, a holding frame 366, a gear unit 368, and a stepping motor 372.
- the fixed cylinder 362 is fixed to the housing 310.
- a cam pin is provided on the outer periphery of the fixed cylinder 362.
- the gear unit 368 rotates the cam cylinder 364 around the optical axis of the lens 350.
- the cam cylinder 364 is provided with a cam groove. Since the cam groove is guided by the cam pin, the cam cylinder 364 moves in the optical axis direction while rotating.
- the first lens group 352 is fixed to the fixed cylinder 362 via the first lens holding portion 353.
- the second lens group 354 is held on the shaft 360 via the second lens holding portion 355 so as to be slidable in the optical axis direction.
- the third lens group 356 is held on the shaft 360 via the third lens holding portion 357 so as to be slidable in the optical axis direction.
- the fourth lens group 358 is held on the shaft 360 via the fourth lens holding portion 359 so as to be slidable in the optical axis direction.
- the second lens holding portion 355 and the third lens holding portion 357 are provided with cam pins that engage with the cam grooves of the cam barrel 364.
- the cam pins of the second lens holding portion 355 and the third lens holding portion 357 are guided by the cam grooves of the cam barrel 364, and the second lens group 354 and the third lens group 356 move in the optical axis direction. To do.
- a cam portion is provided on the rotating shaft of the stepping motor 372.
- the fourth lens holding portion 359 is provided with a follower portion that engages with the cam portion.
- the follower portion moves along the cam surface of the cam portion.
- the fourth lens group 358 moves in the optical axis direction.
- the imaging apparatus 300 further includes a shutter unit 370 and an IMU substrate 380.
- the shutter unit 370 moves in the optical axis direction together with the second lens group 354.
- the IMU board 380 detects the posture of the imaging device 300.
- the housing 310 includes a lid 312.
- the lid 312 is detachably provided on the back surface of the housing 310. After various components such as the lens 350 and the image sensor 330 are accommodated in the housing 310, the lid 312 is fixed to the back surface of the housing 310.
- FIG. 5 is a diagram illustrating an arrangement example of the sheet 400 provided in the imaging apparatus 300.
- FIG. 5 shows a view of the imaging apparatus 300 with the lid 312 removed as viewed from the back of the imaging apparatus 300.
- FIG. 6 shows an example of the second plate 346 on which the sheet 400 is arranged.
- the sheet 400 is an example of a member that transmits heat generated by the image sensor 330 to the housing 310.
- the sheet 400 contacts the inner surface 314 of the housing 310 and the second plate 346.
- the sheet 400 thermally connects the housing 310 and the second plate 346.
- the heat generated by the image sensor 330 is transmitted to the housing 310 through the substrate 342, the first plate 344, the second plate 346 and the sheet 400.
- the sheet 400 may contact the first plate 344 or the substrate 342.
- the heat radiating part 320 may be provided on the outer surface opposite to the inner surface 314 of the housing 310 with which the sheet 400 contacts. Thereby, the heat transmitted from the sheet 400 to the housing 310 can be more easily dissipated to the external environment.
- FIG. 7 shows an example of the structure of the sheet 400.
- the sheet 400 may be composed of a multilayer film.
- the sheet 400 includes a base layer 402, an adhesive layer 404, an adhesive layer 406, and a metal layer 408.
- a base material layer 402 is disposed between the adhesive layer 404 and the adhesive layer 406.
- the base material layer 402, the adhesive layer 404, and the adhesive layer 406 may be configured by a double-sided tape.
- the base material layer 402 may be composed of a plastic film.
- the plastic film may be composed of a polyolefin film, a polyethylene film, a polypropylene film, an EVA film, an EAA film, an ionomer film, or the like.
- the metal layer 408 is disposed on the adhesive layer 404 disposed on one surface of the base material layer 402.
- the metal layer 408 may be formed of a film having a high heat transfer coefficient such as a metal foil such as aluminum, a film containing metal particles, or a graphite film.
- the sheet 400 comes into contact with the inner surface 314 and the holding portion 340 of the housing 310 via the adhesive layer 406 disposed on the other surface of the base material layer 402.
- the sheet 400 may be attached to the inner surface 314 and the holding portion 340 of the housing 310 via the adhesive layer 406.
- the landmark 500 includes a first landmark 502 and a second landmark 504.
- a first mark 502 is provided on the inner surface 314 of the housing 310 and indicates a region to which a part of the sheet 400 should come into contact.
- the second mark 504 is provided on the second plate 346 and indicates an area to which the other part of the sheet 400 should come into contact.
- the second mark 504 may be provided on another member constituting the holding unit 340.
- the second mark 504 may be provided on the substrate 342 as shown in FIG.
- the mark 500 only needs to include at least one of the first mark 502 and the second mark 504.
- the mark 500 may be provided only on the inner surface 314 of the housing 310. Alternatively, the mark 500 may be provided only on the second plate 346, the first plate 344, or the substrate 342.
- the mark 500 should just be provided in the aspect which can be visually recognized using the naked eye or an auxiliary instrument.
- the mark 500 may be provided by, for example, laser processing, scribe processing, scratch processing, printing, or the like. By providing the mark 500 in an area where the sheet 400 should come into contact, the sheet 400 can be easily arranged at an appropriate position.
- FIG. 10 is a diagram illustrating another arrangement example of the sheet 400 arranged in the imaging apparatus 300.
- the sheet 400 may contact the inner surface 314 of the housing 310 and the substrate 342.
- the plurality of fins 322 configuring the heat radiating unit 320 may be provided on a plurality of side surfaces that are the outer surface of the housing 310.
- the length of the plurality of fins 322 may be an arbitrary length.
- the plurality of fins 322 may have a longer shape than the plurality of fins 322 illustrated in FIG.
- the height of the plurality of fins 322 may be an arbitrary height.
- the plurality of fins 322 may have a higher shape than the plurality of fins 322 illustrated in FIG. 11.
- the number of fins 322 may be any number.
- the number of fins 322 may be larger than the number of fins 322 shown in FIG.
- the shape of the plurality of fins 322 may be any shape.
- the shape of the plurality of fins 322 may be a designed shape such as a delta wing.
- the plurality of fins 322 may have an arbitrary shape considering the air resistance of the UAV 100 during flight.
- the heat radiation part 320 may have a plurality of uneven shapes.
- the heat dissipation unit 320 may be configured by a plurality of dots 324.
- the heat radiation unit 320 may be configured by combining both the plurality of fins 322 and the plurality of dots 324.
- a plurality of fins 322 may be provided on two opposite side surfaces of the housing 310, and a plurality of dots 324 may be provided on the other two opposite side surfaces of the housing 310.
- the member that transmits the heat generated by the image sensor 330 to the casing 310 may be configured by a member other than the sheet 400.
- FIG. 17 shows another example of a member that is thermally connected to the second plate 346.
- FIG. 18 shows an example of a state in which the second plate 346 is attached to the housing 310.
- the member may be a screw receiving portion 316 used for fixing the second plate 346 to the housing 310.
- the screw receiving portion 316 is provided on the inner surface 314 of the housing 310.
- the screw receiving portion 316 may be configured integrally with the housing 310.
- the second plate 346 is fixed to the screw receiving portion 316 via a screw 347.
- the heat generated by the image sensor 330 is transmitted to the housing 310 via the second plate 346 and the screw receiving portion 316.
- FIG. 19 is a diagram illustrating another example of the imaging apparatus 300.
- the imaging apparatus 300 may not have a heat dissipation structure such as the fin 322 or the dot 324 provided on the outer surface of the housing 310.
- the heat generated by the image sensor 330 is efficiently transmitted to the housing 310 via the sheet 400. Therefore, the heat generated by the image sensor 330 is efficiently dissipated through the outer surface of the housing 310.
- FIG. 20 is a flowchart illustrating an example of a procedure for manufacturing the imaging device 300.
- a mark 500 is formed on at least one of the inner surface 314 and the holding portion 340 of the housing 310 (S100).
- the mark 500 may be formed by laser processing, scribing, scratching, printing, or the like at a predetermined position of at least one of the inner surface 314 and the holding portion 340 of the housing 310.
- a first mark 502 indicating a region to which a part of the sheet 400 should contact may be formed on the inner surface 314 of the housing.
- a second mark 504 indicating a region to which another part of the sheet 400 should contact may be formed on the holding unit 340.
- the holding unit 340 that holds the image sensor 330 is fixed in the housing 310 (S102). Further, according to the mark 500, the sheet 400 is disposed in contact with the holding portion 340 and the inner surface 314 of the housing 310 (S104). Thereafter, the lid 312 is fixed to the back surface of the housing 310.
- the mark 500 indicating the region that the sheet 400 should contact is formed on at least one of the inner surface 314 and the holding portion 340 of the housing 310. Therefore, the sheet 400 can be easily arranged at an appropriate position.
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Abstract
Description
特許文献1 特開2015-23343号公報
特許文献2 特開2015-72960号公報
102 UAV本体
110 UAV制御部
150 通信インタフェース
160 メモリ
200 ジンバル
210 回転翼機構
230 撮像装置
240 GPS受信機
260 磁気コンパス
270 気圧高度計
300 撮像装置
310 筐体
312 蓋部
314 内面
316 ネジ受け部
320 放熱部
322 フィン
324 ドット
330 イメージセンサ
340 保持部
342 基板
344 第1板
346 第2板
347 ネジ
350 レンズ
352 第1レンズ群
353 第1レンズ保持部
354 第2レンズ群
355 第2レンズ保持部
356 第3レンズ群
357 第3レンズ保持部
358 第4レンズ群
359 第4レンズ保持部
360 シャフト
362 固定筒
364 カム筒
366 保持枠
368 ギアユニット
370 シャッターユニット
372 ステッピングモータ
380 基板
400 シート
402 基材層
404 接着層
406 接着層
408 金属層
500 目印
502 第1目印
504 第2目印
Claims (31)
- 移動体であって、
撮像部と、
前記撮像部を支持する支持部と、
前記移動体を推進させる推進部と
を備え、
前記撮像部は、
イメージセンサと、
前記イメージセンサを収容する筐体と、
前記イメージセンサが発した熱を前記筐体に伝達する部材と、
前記筐体の外面に設けられた放熱部と
を有する、移動体。 - 前記撮像部は、前記イメージセンサを保持する保持部を更に有し、
前記部材は、前記筐体の内面及び前記保持部に接触する、請求項1に記載の移動体。 - 前記部材が接触すべき領域を示す目印が、前記筐体の内面又は前記保持部の少なくとも一方に設けられる、請求項2に記載の移動体。
- 前記目印は、
前記筐体の内面に設けられ、前記部材の一部が接触すべき領域を示す第1目印と、
前記保持部に設けられ、前記部材の他の一部が接触すべき領域を示す第2目印と
を含む、請求項3に記載の移動体。 - 前記保持部は、
前記イメージセンサが実装された基板と、
前記基板と熱的に連結し、前記基板の位置又は向きを調整する調整部と
を含み、
前記部材は、前記筐体の内面及び前記調整部に接触する、請求項2から4のいずれか1つに記載の移動体。 - 前記調整部は、
前記基板の位置を調整する第1板と、
前記基板の向きを調整する第2板と
を含み、
前記部材は、前記筐体の内面と、前記第1板又は前記第2板とに接触する、請求項5に記載の移動体。 - 前記放熱部は、前記筐体の外面の一部に設けられ、前記筐体の外面の他の領域よりも放熱効率が高い、請求項1から6のいずれか1つに記載の移動体。
- 前記放熱部は、前記筐体の外面に設けられた凹部及び凸部の少なくとも一方を有する、請求項1から7のいずれか1つに記載の移動体。
- 前記放熱部は、前記凸部として少なくとも1つのフィンを有する、請求項8に記載の移動体。
- 前記撮像部は、入射光を前記イメージセンサに結像させるレンズを更に有し、
前記少なくとも1つのフィンは、前記レンズの光軸に沿って配置される、請求項9に記載の移動体。 - 前記放熱部は、記凹部及び前記凸部の少なくとも一方として、ドット状の複数の前記凹部及びドット状の複数の前記凸部の少なくとも一方を有する、請求項8に記載の移動体。
- 前記放熱部は、前記筐体の外面の第1領域に、前記凸部として少なくとも1つのフィンを有し、前記筐体の外面の第2領域に、前記凹部及び前記凸部の少なくとも一方として、ドット状の複数の前記凹部及びドット状の複数の前記凸部の少なくとも一方を有する、請求項8に記載の移動体。
- 前記部材は、シートである、請求項1から12のいずれか1つに記載の移動体。
- 前記シートは、金属層を含む、請求項13に記載の移動体。
- 前記シートは、前記筐体の内面に一部が接触する接着層を更に含む、請求項14に記載の移動体。
- 移動体であって、
撮像部と、
前記撮像部を支持する支持部と、
前記移動体を推進させる推進部と
を備え、
前記撮像部は、
イメージセンサと、
前記イメージセンサを収容する筐体と、
前記イメージセンサが発した熱を前記筐体に伝達するシートと
を有する、移動体。 - 前記撮像部は、前記イメージセンサを保持する保持部を更に有し、
前記シートは、前記筐体の内面及び前記保持部に接触する、請求項16に記載の移動体。 - 前記シートが接触すべき領域を示す目印が、前記筐体の内面又は前記保持部の少なくとも一方に設けられる、請求項17に記載の移動体。
- 前記目印は、
前記筐体の内面に設けられ、前記シートの一部が接触すべき領域を示す第1目印と、
前記保持部に設けられ、前記シートの他の一部が接触すべき領域を示す第2目印と
を含む、請求項18に記載の移動体。 - 前記保持部は、
前記イメージセンサが実装された基板と、
前記基板と熱的に連結し、前記基板の位置又は向きを調整する調整部と
を含み、
前記シートは、前記筐体の内面及び前記調整部に接触する、請求項17から19のいずれか1つに記載の移動体。 - 前記調整部は、
前記基板の位置を調整する第1板と、
前記基板の向きを調整する第2板と
を含み、
前記シートは、前記筐体の内面と、前記第1板又は前記第2板とに接触する、請求項20に記載の移動体。 - 移動体であって、
撮像部と、
前記撮像部を支持する支持部と、
前記移動体を推進させる推進部と
を備え、
前記撮像部は、
イメージセンサと、
前記イメージセンサを保持する保持部と、
前記イメージセンサ及び前記保持部を収容する筐体と、
前記筐体の内面又は前記保持部の少なくとも一方に設けられ、前記イメージセンサが発した熱を前記筐体に伝達する部材が接触すべき領域を示す目印と
を有する、移動体。 - 前記目印は、
前記筐体の内面に設けられ、前記部材の一部が接する領域を示す第1目印と、
前記保持部に設けられ、前記部材の他の一部が接する領域を示す第2目印と
を含む、請求項22に記載の移動体。 - 前記保持部は、
前記イメージセンサが実装された基板と、
前記基板と熱的に連結し、前記基板の位置又は向きを調整する調整部と
を含み、
前記第2目印は、前記調整部に設けられる、請求項23に記載の移動体。 - 前記調整部は、
前記基板の位置を調整する第1板と、
前記基板の向きを調整する第2板と
を含み、
前記第2目印は、前記第1板又は前記第2板に設けられる、請求項24に記載の移動体。 - 前記部材は、シートである、請求項22から25のいずれか1つに記載の移動体。
- 前記シートは、金属層を含む、請求項16から21、及び26のいずれか1つに記載の移動体。
- 前記シートは、前記筐体の内面に一部が接する接着層を更に含む、請求項27に記載の移動体。
- イメージセンサ、前記イメージセンサを保持する保持部、並びに前記イメージセンサ及び保持部を収容する筐体を有する撮像装置を製造する方法であって、
前記イメージセンサが発した熱を前記筐体に伝達する部材が接触すべき領域を示す目印を前記筐体の内面及び前記保持部の少なくとも一方に形成する工程と、
前記保持部を前記筐体内に固定する工程と
を備える方法。 - 前記目印を形成する工程は、
前記部材の一部が接触すべき領域を示す第1目印を前記筐体の内面に形成する工程と、
前記部材の他の一部が接触すべき領域を示す第2目印を前記保持部に形成する工程と
を有する、請求項29に記載の方法。 - 前記目印に合わせて前記部材を前記保持部及び前記筐体の内面に接触させて配置する工程を更に備える、請求項29又は30に記載の方法。
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