WO2019119365A1 - Caméra, dispositif de photographie et véhicule aérien sans pilote - Google Patents

Caméra, dispositif de photographie et véhicule aérien sans pilote Download PDF

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Publication number
WO2019119365A1
WO2019119365A1 PCT/CN2017/117822 CN2017117822W WO2019119365A1 WO 2019119365 A1 WO2019119365 A1 WO 2019119365A1 CN 2017117822 W CN2017117822 W CN 2017117822W WO 2019119365 A1 WO2019119365 A1 WO 2019119365A1
Authority
WO
WIPO (PCT)
Prior art keywords
camera
heat sink
lens assembly
rear end
outer casing
Prior art date
Application number
PCT/CN2017/117822
Other languages
English (en)
Chinese (zh)
Inventor
王平
Original Assignee
深圳市大疆创新科技有限公司
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 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to PCT/CN2017/117822 priority Critical patent/WO2019119365A1/fr
Priority to CN201780027060.4A priority patent/CN109076722A/zh
Publication of WO2019119365A1 publication Critical patent/WO2019119365A1/fr

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Classifications

    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
    • H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff

Definitions

  • the present invention relates to the field of imaging device technologies, and in particular, to a camera, a camera device, and a drone.
  • Existing cameras usually use a heat source that is thermally coupled to the outer casing through a structural member for heat dissipation.
  • a heat pipe between the heat source of the camera and the casing or a method of using a fan to enhance air convection within the camera to achieve heat dissipation.
  • the above-mentioned existing heat dissipation design for the camera has high space requirements, complicated structure, and high cost.
  • the technical problem to be solved by the present invention is how to provide a heat dissipation design for a camera with low space requirements, simple structure, and low cost.
  • the present invention adopts the following technical solutions:
  • a camera comprising a housing, a lens assembly, a sensor module, and at least one heat sink.
  • the lens assembly is disposed inside the outer casing.
  • the sensor module is disposed inside the casing and disposed at a rear end of the lens assembly, the sensor module includes a circuit board and an imaging sensor, and the imaging sensor is disposed in front of the circuit board facing the lens assembly surface.
  • the heat sink includes a first end and a second end remote from the first end, the first end is connected to the circuit board, and the second end abuts against an inner wall of the outer casing for the Heat from the sensor module is transferred to the outer casing via the heat sink.
  • the first end of the heat sink is coupled to a front surface of the circuit board.
  • the first end of the heat sink is in contact with the front surface of the circuit board.
  • the heat sink is spaced apart from the imaging sensor.
  • the second end of the heat sink has a bent structure, and the second end of the heat sink is attached to the inner wall of the outer casing.
  • the outer casing is provided with a mounting port through which the sensor module and the lens assembly are loaded in a mounting direction; wherein the heat sink is second End bend The folding direction is opposite to the mounting direction.
  • the heat sink further includes a connecting portion connected between the first end and the second end, and the connecting portion is provided with a notch.
  • the camera includes a plurality of the fins, and the plurality of fins are spaced apart at a periphery of the circuit board.
  • the heat sink is a graphite sheet.
  • the rear end of the lens assembly has a rear end plate, and the rear end of the lens assembly has a rear end plate, the rear end plate is provided with an opening, and the opening is provided with a filter sheet.
  • the rear end plate is provided with a groove, the opening is disposed in the groove, the groove is for receiving the imaging sensor, and the filter is In contrast to the imaging sensor, the circuit board is attached to the rear end plate.
  • the rear end plate is provided with a plurality of first mounting holes, and the circuit board is provided with a plurality of second mounting holes respectively corresponding to the plurality of the first mounting holes,
  • the sensor module is coupled to the rear end plate of the lens assembly by a connector that is disposed through the first mounting hole and the second mounting hole.
  • the connector is a screw, a rivet or a locating pin.
  • the rear end of the outer casing is provided with a rear port for the sensor module and the lens assembly to be loaded into the outer casing via the rear port; wherein the inner wall of the outer casing is provided a root mounting tube, the peripheral edge of the rear end plate is provided with a plurality of third mounting holes respectively corresponding to the plurality of mounting tubes, and the lens assembly passes through a connecting member that is disposed through the mounting tube and the third mounting hole Connected to the outer casing.
  • the connector is a screw, a rivet or a locating pin.
  • the position of the heat sink abutting against the inner wall of the outer casing is spaced from the position of the inner wall of the outer casing where the mounting tube is disposed.
  • an image pickup apparatus includes a camera and a head mounted to the camera, the camera being the camera described in the above embodiment, and the head is connected to the camera The outer casing of the camera.
  • a drone including a body and a camera, the camera being coupled to the body through a pan/tilt head, the camera being described in the above embodiment
  • the camera is coupled between the body and the housing of the camera.
  • the camera, the camera device and the drone according to the present invention connect the first end of the heat sink to the circuit board of the sensor module by providing a heat sink on the sensor module, and the second end of the heat sink abuts the camera shell.
  • the inner wall is designed to transfer the heat generated by the sensor module of the sensor module to the outside via the circuit board and the heat sink.
  • the shell in order to achieve the effect of heat dissipation.
  • the above heat dissipation design of the invention has the characteristics of simple structure, small space requirement and low cost.
  • FIG. 1 is an assembled view of a lens assembly and a sensor module of a camera according to an exemplary embodiment
  • FIG. 2 is a schematic structural view of a sensor module of the camera shown in FIG. 1;
  • FIG. 3 is an assembled view of a lens assembly with a sensor module and a housing of the camera shown in FIG. 1;
  • FIG. 4 is a schematic structural diagram of a camera and a pan/tilt head of a drone according to an exemplary embodiment.
  • FIG. 1 a partial structural diagram of a camera capable of embodying the principles of the present invention is representatively shown, specifically showing an assembly diagram of a lens assembly and a sensor module of the camera.
  • the camera proposed by the present invention is described by taking an example of an image pickup apparatus with a pan/tilt head or a drone with a pan/tilt head. It will be readily understood by those skilled in the art that various modifications, additions, substitutions, deletions or other modifications are made to the specific embodiments described below in order to apply the related design of the camera to other types of camera devices or drones. Variations, these variations are still within the scope of the principles of the camera proposed by the present invention.
  • the camera 100 proposed by the present invention mainly includes a housing 110 , a lens assembly 120 , a sensor module 130 , and two fins 140 .
  • 2 is a schematic diagram showing the structure of a sensor module 130 of a camera 100 capable of embodying the principles of the present invention
  • FIG. 3 representatively shows a lens with a sensor module 130 of a camera 100 capable of embodying the principles of the present invention.
  • Assembly diagram of assembly 120 and housing 110 The structure, connection mode and functional relationship of the main components of the camera 100 proposed by the present invention will be described in detail below with reference to the above drawings.
  • the lens assembly 120 and the sensor module 130 are both mounted in the inner cavity 111 of the outer casing 110 , and the sensor module 130 is mounted on the rear end of the lens assembly 120 . That is, when the lens assembly 120 and the sensor module 130 are loaded into the inner cavity 111 of the outer casing 110, the sensor module 130 is closer to the rear port 112 of the outer casing 110 than the lens assembly 120.
  • the sensor module 130 mainly includes a circuit board 131 and an imaging sensor 132.
  • Circuit board 131 For example, a PCB board, the imaging sensor 132 is disposed on a front surface of the circuit board 131 facing the lens assembly 120, and the imaging sensor 132 is located substantially in the middle of the circuit board 131.
  • the rear end of the lens assembly 120 has a rear end plate 121 , and the rear end plate 121 defines three first mounting holes 1211 , and the circuit board 131 of the sensor module 130 is opened. There are three second mounting holes 1311, and three second mounting holes 1311 respectively correspond to the three first mounting holes 1211.
  • the sensor module 130 is connected to the lens by screws penetrating the first mounting hole 1211 and the second mounting hole 1311.
  • the rear end plate 121 of the assembly 120 is connected to the lens by screws penetrating the first mounting hole 1211 and the second mounting hole 1311.
  • the lens assembly 120 is not limited to having the structure of the rear end plate 121, that is, the sensor module 130 can be attached to other structures at the rear end of the lens assembly 120.
  • the number of the first mounting holes 1211, the second mounting holes 1311, and the screws is not limited to three, and the number of the three may be plural, and the number of the three is equal.
  • the sensor module 130 may also be connected to the rear end plate 121 of the lens assembly 120 through other types of connectors provided on the first mounting hole 1211 and the second mounting hole 1311, and the connector may be, for example, a rivet or a positioning pin.
  • the design of connecting the sensor module 130 and the lens assembly 120 based on the rear end plate 121 can further facilitate the adjustment of the mounting position of the sensor module 130.
  • the rear surface of the rear end plate 121 is further provided with a plurality of glue injection grooves 1214 , and the glue injection groove 1214 is filled with glue, and the sensor module 130 is connected to the rear end.
  • the adhesive tape is bonded between the rear end plate 121 and the circuit board 131 to achieve an auxiliary connection effect.
  • the above-mentioned adhesive may preferably be a thermal conductive adhesive having good thermal conductivity and electrical insulating properties such as a thermal conductive silica gel, thereby further improving the effect of assisting heat dissipation.
  • the lens assembly 120 further includes a filter 122 disposed on one side of the front surface of the rear end plate 121.
  • An opening 1212 is defined in the middle of the rear end plate 121, and the filter 122 is installed in the opening 1212.
  • the rear end plate 121 is provided with a groove 123, and the opening 1212 is opened in the groove 123, for example, at the groove bottom of the groove 123.
  • the rear end of the outer casing 110 is open with a rear port 112 communicating with the inner cavity 111 thereof, so that the sensor module 130 and the lens assembly 120 are loaded into the outer casing 110 via the rear port 112. .
  • the inner wall of the outer casing 110 is provided with a plurality of mounting tubes 113.
  • the periphery of the rear end plate 121 defines a plurality of third mounting holes 1213, and the plurality of third mounting holes 1213 respectively correspond to the plurality of mounting tubes 113, and the lens assembly 120 passes Screws that are passed through the mounting tube 113 and the third mounting hole 1213 are connected to the outer casing 110.
  • the outer casing 110 is not limited to having the structure of the mounting tube 113, that is, the lens assembly 120 can be coupled to the outer casing 110 by other means.
  • the lens assembly 120 may also be coupled to the outer casing 110 of the camera 100 through other types of connectors provided in the mounting tube 113 and the third mounting hole 1213, which may be, for example, rivets or locating pins.
  • the heat sink 140 may preferably be a graphite sheet and the number of the heat sinks 140 is two.
  • the two heat sinks 140 are respectively connected to the upper and lower ends of the sensor module 130 .
  • each of the fins 140 may be roughly divided into a first end 141, a second end 142, and a connecting portion 143.
  • the first end 141 of the heat sink 140 is connected to the circuit board 131 of the sensor module 130.
  • the second end 142 extends away from the first end 141, and when the sensor module 130 and the lens assembly 12 are inserted into the inner cavity 111 of the outer casing 110, the second end 142 abuts against the inner wall of the outer casing 110, and the second end 142 abuts The position of the inner wall of the outer casing 110 is spaced from the position of the inner wall of the outer casing 110 where the above-described mounting tube 113 is disposed.
  • the connecting portion 143 is connected between the first end 141 and the second end 142.
  • the first end 141 of the heat sink 140 is not in contact with the imaging sensor 132, that is, the heat sink 140 is spaced apart from the imaging sensor 132 on the front surface of the circuit board 131.
  • the direction of heat transfer during the heat dissipation process is roughly: imaging sensor 132 ⁇ circuit board 131 ⁇ heat sink 140 (first end 141 ⁇ connecting portion 143 ⁇ second end 142) ⁇ outer casing 110, thereby ensuring heat dissipation effect
  • the heat dissipation structure is prevented from directly contacting the imaging sensor 132 to affect its normal operation.
  • the first end 141 of the heat sink 140 and the front surface of the circuit board 131 are connected by a bonding.
  • the contact area between the heat sink 140 and the circuit board 131 can be increased, thereby improving the heat dissipation efficiency, and the connection strength between the heat sink 140 and the circuit board 131 can be enhanced by the surface contact connection.
  • the second end 142 of the heat sink 140 is designed to be bendable.
  • the second end 142 of the heat sink 140 is bent relative to the first end 141 (or the connecting portion 143), and the second end 142 is The bending direction is substantially opposite to the mounting direction X, so that the second end 142 is bent and then abuts against the inner wall of the outer casing 110 in a surface contact manner.
  • the contact area between the heat sink 140 and the inner wall of the outer casing 110 can be increased, thereby improving the heat dissipation efficiency, and at the same time, the heat sink 140 can be abutted against the inner wall of the outer casing 110 by utilizing the elastic recovery tendency of the bent structure. Ensures tight thermal contact.
  • the bending direction of the second end 142 is opposite to the mounting direction X, during the process of loading the sensor module 130 and the lens assembly 120 into the outer casing 110, the heat dissipation fins 140 and the inner wall of the outer casing 110 can be prevented from being jammed, thereby lifting the sensor.
  • the connecting portion 143 of the heat sink 140 is provided with a notch 1431.
  • the notch 1431 on the connecting portion 143 of the heat sink 140 can be used to connect the components.
  • the cable, the connector (such as a screw) or the protruding structure of the connecting member itself is passed through to prevent the heat sink 140 from interfering with the above structure.
  • the notch 1431 on the connecting portion 143 of the heat sink 140 can be flexibly designed according to the position and shape of the structure in which interference may occur, and is not limited to the embodiment.
  • the notch 1431 is provided on the connecting portion 143 of each of the fins 140, and the number and shape of the notches 1431 provided in each of the fins 140 are not unique. Moreover, since the connecting portion 143 is only a region defined on the heat sink 140 according to the difference of the connected structure, when the heat sink 140 does not have the connecting portion 143, the notch 1431 may be selectively disposed at the first end 141 thereof. Or the second end 142, that is, any position on the heat sink 140 can be opened as needed.
  • the number and distribution of the heat sinks 140 are not unique.
  • the number of the heat sinks 140 may be one, two or more depending on the shape and structure of the camera and the connection relationship of the various components. That is, the camera proposed by the present invention includes at least one heat sink 140.
  • the distribution manner thereof may preferably be spaced apart at the periphery of the circuit board 131 of the sensor module 130, that is, the portions of the inner surface of the circuit board 131 near the outer circumference are spaced apart and extend outward.
  • the camera of the present invention is configured by disposing a heat sink on the sensor module, connecting the first end of the heat sink to the circuit board of the sensor module, and abutting the second end of the heat sink against the inner wall of the camera housing.
  • the heat generated by the imaging sensor of the sensor module can be transmitted to the outer casing via the circuit board and the heat sink, thereby achieving the heat dissipation effect.
  • the above heat dissipation design of the invention has the characteristics of simple structure, small space requirement and low cost.
  • an exemplary embodiment of an image pickup apparatus proposed by the present invention will be described below.
  • the imaging device proposed by the present invention will be described based on an imaging device having a pan/tilt and a camera. It will be readily understood by those skilled in the art that various modifications, additions, substitutions, deletions, or other changes are made to the specific embodiments described below, in order to apply the design in this embodiment to an imaging device of another configuration. The variation is still within the scope of the principle of the image pickup apparatus proposed by the present invention.
  • the display device proposed by the present invention mainly includes a camera and a pan/tilt connected to the camera.
  • the camera is the camera described in the above embodiment, and the pan/tilt is connected to the outer casing of the camera.
  • the circuit board is further provided with a connection port for connecting with other components of the image pickup device, for example, connecting the camera control elements, thereby controlling functions such as zooming and focusing of the camera.
  • the present invention provides an image pickup apparatus.
  • the heat dissipation design of the image pickup apparatus has the characteristics of simple structure, small space requirement, and low cost.
  • FIG. 4 a partial structural diagram of a drone capable of embodying the principle of the present invention is representatively shown, and a schematic structural view of a combination of a camera and a pan/tilt head of the drone is specifically shown.
  • the drone proposed by the present invention is described as an example of a drone equipped with a camera through a pan/tilt head. It will be readily understood by those skilled in the art that various modifications, additions, substitutions, and deletions are made to the specific embodiments described below in order to apply the related design of the drone to other types of aircraft with camera functions. Or other variations, these variations are still within the scope of the principles of the drone proposed by the present invention.
  • the drone proposed by the present invention mainly includes a body and a camera.
  • the camera is the camera 100 described in the above embodiment, and the camera 100 is connected to the body through the pan/tilt axis 200 , and the pan/tilt head 200 is connected between the body and the outer casing 110 of the camera 100 .
  • the display device proposed by the present invention mainly includes a camera and a pan/tilt connected to the camera.
  • the camera is the camera described in the above embodiment, and the pan/tilt is connected to the outer casing of the camera.
  • the circuit board 131 of the camera 100 is further provided with two connection ports 1312 for respectively connecting with other components of the camera or the drone, for example, respectively with the camera control component. It is connected to the body of the drone to control the zoom and focus of the camera.
  • the present invention proposes a drone, and by adopting the camera proposed by the present invention, the heat dissipation design of the drone has the characteristics of simple structure, small space requirement and low cost.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)

Abstract

L'invention concerne une caméra (100), un dispositif de photographie et un véhicule aérien sans pilote, la caméra (100) comprenant un boîtier (110), un ensemble lentille (120), un module de capteur (130) et au moins une ailette de dissipation de chaleur (140). L'ensemble lentille (120) est disposé à l'intérieur du boîtier (110). Le module de capteur (130) est disposé à l'intérieur du boîtier (110) et disposé à l'extrémité arrière de l'ensemble lentille (120) ; le module de capteur (130) comprend une carte de circuit imprimé (131) et un capteur d'imagerie (132), et le capteur d'imagerie (132) est disposé sur la surface avant de la carte de circuit imprimé (131) faisant face à l'ensemble lentille (120). L'ailette de dissipation de chaleur (140) comprend une première extrémité (141) et une seconde extrémité (142) éloignée de la première extrémité (141) ; la première extrémité (141) est reliée à la carte de circuit imprimé (131), et la seconde extrémité (142) vient en butée contre la paroi interne du boîtier (110) de façon à délivrer de la chaleur du module de capteur (130) au boîtier au moyen de l'ailette de dissipation de chaleur (140).
PCT/CN2017/117822 2017-12-21 2017-12-21 Caméra, dispositif de photographie et véhicule aérien sans pilote WO2019119365A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2017/117822 WO2019119365A1 (fr) 2017-12-21 2017-12-21 Caméra, dispositif de photographie et véhicule aérien sans pilote
CN201780027060.4A CN109076722A (zh) 2017-12-21 2017-12-21 相机、摄像装置以及无人机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/117822 WO2019119365A1 (fr) 2017-12-21 2017-12-21 Caméra, dispositif de photographie et véhicule aérien sans pilote

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WO2019119365A1 true WO2019119365A1 (fr) 2019-06-27

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CN (1) CN109076722A (fr)
WO (1) WO2019119365A1 (fr)

Cited By (1)

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CN115184354A (zh) * 2022-07-11 2022-10-14 深圳市泽峰光电科技有限公司 集成式原木测量仪

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