WO2019128935A1 - Caméra à lentilles multiples et dispositif de complément de lumière pour caméra à lentilles multiples - Google Patents

Caméra à lentilles multiples et dispositif de complément de lumière pour caméra à lentilles multiples Download PDF

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Publication number
WO2019128935A1
WO2019128935A1 PCT/CN2018/123171 CN2018123171W WO2019128935A1 WO 2019128935 A1 WO2019128935 A1 WO 2019128935A1 CN 2018123171 W CN2018123171 W CN 2018123171W WO 2019128935 A1 WO2019128935 A1 WO 2019128935A1
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WO
WIPO (PCT)
Prior art keywords
light
bracket
annular
lens
fill
Prior art date
Application number
PCT/CN2018/123171
Other languages
English (en)
Chinese (zh)
Inventor
唐海龙
颜财盛
吴燕
叶展
徐鹏
李杨
容志强
Original Assignee
杭州海康威视数字技术股份有限公司
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
Priority claimed from CN201721872513.7U external-priority patent/CN207906750U/zh
Priority claimed from CN201820481642.1U external-priority patent/CN208128384U/zh
Priority claimed from CN201820498672.3U external-priority patent/CN208079235U/zh
Application filed by 杭州海康威视数字技术股份有限公司 filed Critical 杭州海康威视数字技术股份有限公司
Publication of WO2019128935A1 publication Critical patent/WO2019128935A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • 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
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units

Definitions

  • the present application relates to the technical field of camera design, and in particular to a light-filling device for a multi-camera camera and a multi-camera camera.
  • a multi-eye camera is a relatively common imaging device, and a multi-camera has a plurality of lenses mounted on the body, and a plurality of lenses are distributed along the circumferential direction of the body.
  • the multiple lenses of the current multi-camera are usually fixed on the pedestal for shooting in various angular directions.
  • the images captured by multiple lenses can be combined into a panoramic image of a multi-camera.
  • the shooting environment is dark, which requires the filling device for the multi-camera.
  • the current multi-camera fill light is generally placed on either side or side of the lens, and the fill light is mounted on the same level as the lens.
  • the shooting angles of the multiple lenses are preset, so the user cannot adjust the shooting angle according to the scene of interest.
  • the current multi-camera fill light can not meet the fill-in requirements of the multi-camera camera with adjustable lens, and there is often a situation where the near-field light intensity is strong and the far-field light intensity is weak, which affects the lens. The quality of the image.
  • the present application provides a light-filling device for a multi-camera camera and a multi-eye camera to solve the problem of poor light-filling effect of the light-filling device of the current multi-camera camera.
  • the light filling device of the multi-eye camera includes a plurality of fill lights and an annular lamp holder for mounting on the camera host of the multi-camera, wherein the ring-shaped lamp holder is used for arranging the plurality of
  • the annular lamp holder has an inclined mounting surface in an annular shape, the inclined mounting surface being obliquely arranged with respect to a plane in which the annular lamp holder is located, and a plurality of the fill light edges Disposed in a circumferential direction of the inclined mounting surface, the fill light comprising an illuminant and a biasing light element disposed on the illuminating body, wherein the biasing light element is used to illuminate the illuminating body Ejecting away from the outside of the annular socket, the plane of the annular socket is perpendicular to the axis of the annular socket.
  • a multi-view camera comprising a camera host and a light-filling device disposed on the camera host, the light-filling device being the light-filling device described above,
  • the camera host comprising a main body assembly, a lens, and being mounted a transparent cover on the main body casing assembly and a lens adjusting device, the transparent cover including a flat portion and a curved surface portion surrounding the flat portion, the lens being mounted on the lens adjusting device and disposed on the curved surface portion Within the space.
  • the light-filling device disclosed in the present application adopts a partial light-distributing component, and the peak light intensity of the partial light-distributing component and the optical axis of the illuminating body have a certain angle, and the peak light intensity and the multi-eye camera after the splicing of the plurality of fill light lamps
  • the axis has a large angle between the axes, so that more light is projected farther from the lens, which can achieve better fill light at a long distance, and at the same time reduce the near fill light intensity, thereby reducing the image near
  • the brightness at the location increases the brightness of the surface of the distant object, which ultimately improves the quality of the image acquired by the lens.
  • FIG. 1 is a schematic diagram of an explosion structure of a multi-camera camera disclosed in an embodiment of the present application
  • FIG. 2 is a schematic exploded view of a light-filling device of a multi-camera camera disclosed in an embodiment of the present application;
  • FIG. 3 is a schematic diagram of a multi-head camera disclosed in an embodiment of the present application in an assembled state
  • Figure 4 is a schematic view of the partial structure of Figure 2 taken from another perspective
  • FIG. 5 is a partial schematic structural diagram of a light-filling device according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of light distribution of a partial light distribution device according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of another bias optical component disclosed in an embodiment of the present application.
  • FIG. 8 is a schematic diagram showing the arrangement of eight fill lights disclosed in the embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an image capturing host of a multi-camera camera according to an embodiment of the present application.
  • FIG. 10 is a cross-sectional view of a camera host of the multi-camera camera disclosed in the embodiment of the present application;
  • FIG. 11 is a schematic structural diagram of a lens adjusting device according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a lens-mounted lens adjusting device according to an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of a first bracket disclosed in an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of a lens adjusting device according to another embodiment of the present application.
  • 100-fill light device 110-fill light, 111-sheet heat sink, 112-bias light element, 112a-polarizer, 112b-compression, 112c-mounting boss, 112d-defense, 113 - gland, 114-light board, 115-seal, 116-illuminator, 120-ring optical cover, 121-positioning slot, 122-drain gap, 130-ring base, 131-ring base , 1311 - receiving groove, 1312 - wire harness, 1313 - mounting hole, 1314 - inner ring wall, 1315 - outer ring wall, 132 - annular gasket, 133 - ring lamp cover, 1331 - sealing wire buckle, 1332 - threading hole, 1333-connecting piece, 140-filling cable;
  • 200-camera host 210-threaded connector, 220-host housing assembly, 230-lens, 240-transparent cover, 241-plane, 242-curved, 250-lens adjustment, 251-fixed disk, 2511- One tooth slot, 2512-avoidance hole, 252-lens bracket, 2521-first bracket, 2521a-first meshing tooth, 2521b-elastic connection, 2521c-snatch, 2521d-snap hole, 2522-second bracket, 2523-third bracket, 2523a-support surface, 2523b-second buckle;
  • an embodiment of the present application discloses a light-filling device 100 for a multi-view camera.
  • the light-filling device 100 includes a plurality of fill light lamps 110 and an image pickup host 200 for mounting on a multi-view camera.
  • the annular socket 130 is a mounting base of the plurality of fill lamps 110, and the annular socket 130 on which the plurality of fill lamps 110 are mounted is sleeved outside the plurality of lenses 230 of the multi-camera, and further is a plurality of lenses 230.
  • Implement fill light The plurality of fill lamps 110 may be dispersedly arranged along the circumferential direction of the annular socket 130.
  • the annular socket 130 may have an inclined mounting surface in a ring shape, and the plurality of fill lamps 110 are dispersedly arranged along the circumferential direction of the inclined mounting surface.
  • the plane in which the annular socket 130 is located is generally parallel to the mounting surface of the multi-camera, and the mounting surface of the multi-camera is generally perpendicular to the axial direction of the annular socket 130.
  • the inclined mounting surface is disposed obliquely with respect to the plane in which the annular socket 130 is located, and the plane of the annular socket 130 is perpendicular to the axis of the annular socket 130.
  • the axis of the annular socket 130 extends in a vertical direction, and the plane in which the annular socket 130 is located is in a horizontal plane.
  • the inclined mounting surface provides a mounting base for the fill light 110, so that the fill light 110 also obliquely projects light, thereby better enabling the fill light 110 to fill the lens, and the light filling device 100 Covers the lens position to adjust all areas of the visual field of view. Therefore, the tilt mounting is inclined toward the outer side of the plurality of lenses of the multi-eye camera. Referring again to FIG. 5, in a specific embodiment, the angle A between the plane in which the annular socket 130 is located and the inclined mounting surface may be 20-40 degrees.
  • the angle A is 20-40°
  • the light of the fill light 110 can have enough light to be projected to the outside of the lens 230, and at the same time, it is ensured that the plurality of fill lamps 110 are easier to be on the shooting side of the multi-view camera. Stitch into a panoramic fill area.
  • the angle between the two may be 32°.
  • the fill light 110 includes an illuminator 116 and a bias light element 112 that is disposed on the illuminator 116.
  • the bias light element 112 may be an optical element that realizes partial light distribution such as a bias light lens or a bias light reflector.
  • a rotationally symmetric optical element (such as a rotationally symmetric lens) is capable of modulating light, and the optical axis of the illuminant coincides with the peak intensity of the rotationally symmetric optical element, thereby making it easier to cause a large contrast between the distant and near portions of the fill light. , affecting the shooting effect of the lens.
  • the biasing light element 112 is configured to emit light emitted from the illuminator 116 toward the outside of the annular socket 130, thereby enabling the illuminating body 116 to emit light. More investment in the distance.
  • the peak light intensity of the partial light distribution element 112 and the optical axis of the illuminator 116 have a certain angle (non-coincidence), and the peak light intensity after merging the plurality of fill light lamps 110 is compared with the axis of the multi-eye camera.
  • the large angle which causes more light to be projected farther from the lens, achieves better fill light at a long distance, improves the brightness of the surface of distant objects, and reduces the fill light intensity in the vicinity, thereby reducing
  • the brightness of the image near the end can ultimately improve the quality of the image acquired by the lens.
  • the above-mentioned partial light distribution element 112 realizes the light distribution of the light in a direction parallel to the axis of the annular socket 130 (usually in the vertical direction).
  • a direction perpendicular to the axis of the annular socket 130 usually a horizontal plane
  • a plurality of fill lamps 110 are arranged in a circumferential direction around the annular socket 130, and a plurality of fill lamps 110 are spliced in the circumferential direction to form a full range. 360 ° fill light.
  • the number of the fill light lamps 110 may be 3-8, and the fill light 110 may be evenly arranged in the circumferential direction of the inclined mounting surface to achieve a relatively uniform fill light stitching effect.
  • the fill light 110 can be used in eight.
  • the fill light 110 should have a small fill range in the circumferential direction of the annular socket 130.
  • each fill light 110 is mounted obliquely.
  • the fill angle of the circumferential direction of the face may be 45-90°, as shown in FIG.
  • each fill light 110 When the fill light angle of each fill light 110 is too large on the inclined mounting surface, when the multi-eye camera is mounted on the corner, even if the fill light facing the corner is turned off, other fill light will still have more light incident. To the wall, which is reflected from the wall into the lens, will eventually result in poor image quality.
  • the fill light angle of each of the fill light 110 in the circumferential direction of the inclined mounting surface is too small, the dark area between the adjacent two fill light lamps is too long, which may cause the blind spot b near the multi-eye camera to be too large.
  • the fill angle a of each of the fill lamps 110 in the circumferential direction of the inclined mounting surface may be 45-90.
  • each of the fill lamps 110 can achieve 45-90° fill light on the circumference of the annular socket 130, and the multiple fill lamps 110 can be combined with the fill angle to form a 360° panoramic fill. Light.
  • Each of the above-mentioned fill light 110 has a suitable fill angle, and can flexibly adapt to the installation environment of the multi-camera, as shown in FIG.
  • the multi-view camera is likely to be mounted on the corner of the wall, and the light emitted from the fill light 110 facing the wall is reflected by the wall surface into the lens 230 to affect the photographing quality.
  • the multi-camera disclosed in the embodiment of the present application may further include a control device connected to the plurality of fill lamps 110, and the control device is configured to control each of the fill lamps 110 to be individually turned on and off. In this case, it can be closed by controlling the fill light 110 facing the wall surface, thereby solving the adverse effect of the wall facing the shooting.
  • the light-filling device 100 of the multi-camera camera disclosed in the embodiment of the present application may further include an annular optical transparent cover 120.
  • the annular optical transparent cover 120 is disposed on the plurality of fill light lamps 110, and the annular optical transparent cover 120 can The role of protection does not affect the fill light of the fill light 110.
  • the light-filling device 100 disclosed in the embodiment of the present application can be assembled on the camera host 200, which enables the multi-camera camera to integrate shooting and fill light, compared to some existing ones. In the case of a separate fill light device, this reduces the footprint of the fill light device and also reduces the operator's installation operation.
  • the annular lamp holder 130 may include an annular base 131 and an annular lamp cover 133.
  • the annular lamp cover 133 is mounted on the camera host 200 of the multi-camera, and the annular base 131 is provided with a receiving slot 1311.
  • the annular lamp cover 133 is capped on the notch of the receiving groove 1311.
  • the fill light cable 140 connected to the fill light 110 is disposed in the receiving groove 1311, and the fill light cable 140 supplies power to the fill light 110.
  • the accommodating groove 1311 can facilitate the wiring of the fill light cable 140 of the light-filling device 100.
  • the annular lamp holder 130 disclosed in the embodiment of the present application may further include an annular gasket 132, and the annular lamp cover 133 is sealingly connected to the annular base body 131 through the annular gasket 132.
  • the annular lamp cover 133 is sealed to the annular base 131 by the annular gasket 132, and the sealing of the receiving groove 1311 can be ensured.
  • the light-filling device 100 disclosed in the embodiment of the present application adopts the above structure to have better explosion-proof capability, thereby enabling the multi-eye camera to better adapt to shooting in an explosion-proof environment.
  • the power supply of the light-filling device 100 is an external power supply.
  • the annular lamp cover 133 and the annular gasket 132 can be provided with a threading hole 1332 through which the light-filling cable 140 passes.
  • the 140 passes through the threading hole 1332 to electrically connect the external power source with the fill light 110.
  • the power source (which can be a power line or a battery) is disposed in the camera host 200, as shown in FIG. 4, in this case, one end of the fill cable 140 is inserted into the light-filling device 100 to take power, and the other end is inserted into the camera host. Power supply within 200.
  • the threading hole 1332 is provided with a sealing wire buckle 1331 that is sealed and threaded on the fill light cable 140 and is sealingly engaged with the threading hole 1332.
  • the receiving slot 1311 may be provided with a cable tie 1312, and the cable tie 1312. It is used to fix the fill light cable 140, so that it can be better placed to avoid the confusion of the wiring.
  • the structure of the accommodating groove 1311 can be various. Referring again to FIGS. 1 and 2, the receiving groove 1311 may be a flared structure in which the width of the notch is gradually increased.
  • the annular base body 131 may include an inner annular wall 1314 and an outer annular wall 1315. One end of the inner annular wall 1314 is connected to one end of the outer annular wall 1315, and the other end of the inner annular wall 1314 and the outer annular wall. The other end of the 1315 extends obliquely toward each other.
  • the above-described connection relationship between the inner ring wall 1314 and the outer ring wall 1315 can form a receiving groove 1311 having a flared structure.
  • the accommodating groove 1311 of the above structure has a small volume, and the flared end has a sufficient space to be connected to the annular lamp cover 133.
  • the annular base body 131 may have a V-shaped cross section, and the receiving groove 1311 may be a V-shaped groove.
  • the V-shaped groove can better form an inclined mounting surface in an annular shape.
  • the annular optical cover 120 is disposed on the annular socket 130.
  • the inner wall of the annular optical cover 120 may be provided with a positioning slot 121, and the positioning slot 121 and the bottom of the annular socket 130 are limited.
  • the positional engagement further prevents the annular optical cover 120 from moving relative to the annular socket 130 in a direction adjacent the annular socket 130.
  • the positioning groove 121 may be an annular groove extending along the bottom edge of the annular optical cover 120.
  • the axial direction of the light-filling device 100 is a vertical direction, and the notch of the positioning groove 121 faces upward, so that water is easily accumulated in the positioning groove 121.
  • the annular groove is in the A plurality of water discharge slits 122 are opened on the circumference. The plurality of water discharge gaps 122 can discharge the accumulated water in the positioning groove 121 in time.
  • the fill light 110 includes an illuminator 116 and a mounting base, and the illuminator 116 is mounted in a ring shape through a mounting base.
  • the mounting base may include a light panel 114, the biasing light element 112 and the gland 113 described above.
  • the illuminator 116 is mounted on the lamp board 114, the biasing light element 112 is disposed on the illuminator 116, the gland 113 is fixedly connected to the annular lamp holder 130, and the biasing optical element 112 is sandwiched between the gland 113 and the ring lamp.
  • a sealing ring 115 is disposed between the biasing light element 112 and the mounting hole 1313 to further seal the receiving groove 1311.
  • the annular socket 130 is provided with a mounting hole 1313.
  • the lamp plate 114 is fixed to the inner side wall of the annular socket 130.
  • the illuminator 116 passes through the mounting hole 1313 and is connected to the lamp plate 114.
  • the gland 113 is fixed to the ring.
  • the outer side wall of the lamp holder 130, the partial light distribution element 112 is located in the mounting hole 1313, and the surface of the outer side wall of the annular lamp holder 130 is an inclined mounting surface.
  • the illuminant 116 may be an infrared lamp, and correspondingly, the lens is an infrared lens.
  • the light-filling device 100 can perform light filling for the imaging host 200 at night.
  • the lamp plate 114 can be fixed to the annular lamp holder 130 by the sheet metal heat sink 111.
  • the sheet metal heat sink 111 can achieve more efficient heat dissipation for the lamp plate 114 and the illuminator 116, and avoid heat accumulation in the light-filling device 100.
  • the partial light distribution element 112 can be a partial light distribution lens.
  • the partial light distribution lens may include a polarizing portion 112a and a pressing portion 112b, and the pressing portion 112b. It is fixed to the light-emitting end of the polarizing portion 112a and arranged around the light-emitting surface of the light-emitting end.
  • the pressing portion 112b is clamped and fixed between the gland 113 and the annular socket 130, and the polarizing portion 112a is placed on the illuminator 116.
  • the partial light lens of the above structure can be pressed and fixed relatively stably, and the assembly is relatively simple.
  • the inner side of the pressing portion 112b may be provided with a mounting boss 112c.
  • the mounting boss 112c is disposed around the light distributing portion 112a.
  • a sealing ring 115 may be fixed between the pressing portion 112b and the annular lamp holder 130.
  • the ring 115 is sleeved on the mounting boss 112c.
  • the sealing ring 115 can better achieve the sealing inside the fill light 110, preventing dust and moisture from entering the interior of the fill light 110, and is advantageous for extending the service life of the fill light 110.
  • the assembly of the mounting boss 112c on the inner side of the pressing portion 112b and then the sealing ring 115 on the mounting boss 112c facilitates stable assembly of the sealing ring 115.
  • the side wall of the pressing portion 112b may be provided with a foolproof portion 112d.
  • the foolproof portion 112d can realize the positioning and mounting of the partial light distribution element 112, and can prevent the misplacement of the partial light distribution element 112.
  • the embodiment of the present application discloses a multi-view camera, which includes a camera host 200 and a fill light disposed on the camera host 200.
  • the device 100 is the light-filling device 100 described in the above embodiment.
  • the annular lamp cover 133 may be provided with a connecting piece 1333.
  • the connecting piece 1333 can be fixedly connected to the camera host 200.
  • the connecting piece 1333 and the camera host 200 may be provided with connecting holes, and the connecting piece 1333 and the camera host 200 may be fixedly connected by a threaded connecting member matched with the connecting hole.
  • the multi-head camera may include a mounting plate 300, and after the camera main unit 200 is assembled with the light-filling device 100, the entire mounting can be achieved through the mounting plate 300.
  • the camera host 200 can be provided with a threaded connector 210.
  • the mounting plate 300 can be provided with a connecting post 310.
  • the connecting post 310 is provided with a threaded hole, and the threaded connecting member 210 is fixedly engaged with the threaded hole, thereby implementing the camera host 200.
  • the camera body 200 includes a main body casing assembly 220, a lens 230, and a transparent cover 240 and a lens adjusting device 250 mounted on the main casing assembly 220.
  • the transparent cover 240 includes a flat portion 241 and a curved portion surrounding the flat portion 241. 242.
  • the lens 230 is mounted on the lens adjusting device 250 and located in a space covered by the curved portion 242.
  • the disclosed lens adjusting device 250 includes a fixed disk 251 and at least two lens holders 252.
  • the fixed disk 251 is included in the camera host of the multi-camera, and the fixed disk 251 is the mounting base of the lens holder 252 and the lens 230.
  • the lens 230 is disposed on the fixed disk 251 through the lens holder 252.
  • the lens holder 252 includes a first bracket 2521 for mounting the lens 230, and the first bracket 2521 is movably disposed on the fixed disk 251 to be movable relative to the fixed disk 251. The movement of the first bracket 2521 will drive the lens 230 to follow the movement, thereby adjusting the position of the lens 230 on the fixed disk 251.
  • One of the first bracket 2521 and the fixed disk 251 is provided with a first tooth groove, and the other is provided with a first meshing tooth, and the first tooth groove is engaged with the first meshing tooth.
  • the first bracket 2521 and the fixed disk 251 are connected by the engagement of the first tooth groove with the first meshing teeth.
  • the lens 230 is mounted on the first bracket 2521, so that the first bracket 2521 can be moved on the fixed disk 251, and finally the position of the lens 230 is adjusted on the fixed disk 251.
  • the first bracket 2521 and the fixed disc 251 are connected by the engagement between the first tooth groove and the first meshing tooth, and during the adjustment, the operator can drive the first bracket 2521 to move by applying a certain force, in the first bracket During the movement of the 2521, the first tooth groove and the first meshing tooth are relatively moved. After the end of the adjustment (external force is removed), the meshing between the first tooth groove and the first meshing tooth can ensure the positioning of the first bracket 2521. At the adjusted position, the adjustment of the lens 230 is finally completed.
  • the lens adjusting device 250 disclosed in the present application does not need to use a large-sized magnet. Therefore, the lens adjusting device 250 disclosed in the present application can solve the current multi-camera adoption.
  • the way the magnet locks the lens has the problem of high quality and high cost.
  • the circular edge of the fixed disk 251 is partially or entirely provided with a first tooth groove 2511.
  • the first bracket 2521 is provided with a first meshing tooth 2521a.
  • the first bracket 2521 is movable around the circumferential direction of the fixed disk 251, and is further rotatable about the circumferential direction of the fixed disk 251.
  • the rotation of the first bracket 2521 will drive the lens 230 to follow the rotation, thereby adjusting the position of the lens 230 on the fixed disk 251.
  • This position adjustment is performed in parallel with the disk surface of the fixed disk 251, and is adjusted in the P direction of the lens 230.
  • the first tooth groove 2511 may be disposed on the first bracket 2521, and correspondingly, the first meshing teeth 2521a are disposed on the fixed plate 251.
  • the first bracket 2521 may include an elastic connecting portion 2521b, and the elastic connecting portion 2521b may be provided with a first engaging tooth 2521a, and the first engaging tooth 2521a is engaged with the first slot 2511. It should be noted that, in the present application, the engagement between the first tooth groove and the first meshing tooth means that the two are in a positioning state when the external tooth is not subjected to an external force, and the first tooth groove and the second meshing tooth cannot move relative to each other.
  • the first holder 2521 is rotated in the circumferential direction of the fixed disk 251, that is, the first holder 2521 is rotated in the circumferential direction of the fixed disk 251.
  • the elastic connecting portion 2521b ensures that the engagement between the first tooth groove 2511 and the first meshing tooth 2521a is better by its own elasticity, and the elastic connecting portion 2521b is elastically deformed by the external force, thereby making the first meshing The positioning between the teeth 2521a and the first slots 2511 is released, thereby enabling relative rotation of the two.
  • first bracket 2521 can rotate around the circumferential direction of the fixed disk 251.
  • the first bracket 2521 can roll along the circumferential direction of the fixed disk 251 to realize the rotation thereof, and the first bracket 2521 can also follow the fixed plate 251. The circumferential direction slides to achieve its rotation.
  • the fixed disk 251 can be provided with an annular slide.
  • the first bracket 2521 and the annular slide are positioned and aligned in a direction perpendicular to the disk surface of the fixed disk 251.
  • the first bracket 2521 is at the circumference of the fixed disk 251.
  • the direction is slidably engaged with the fixed disk 251.
  • the first bracket 2521 is in a positional engagement with the annular slide in a direction perpendicular to the disk surface of the fixed disk, meaning that the first bracket 2521 cannot move relative to the fixed disk 251 in a direction perpendicular to the disk surface, only along the circumference of the fixed disk 251.
  • the direction moves to achieve rotation.
  • the first bracket 2521 is positioned and engaged with the annular slide in a direction perpendicular to the disk surface of the fixed disk 251, so that the first bracket 2521 cannot move relative to the fixed disk 251 in a direction perpendicular to the disk surface of the fixed disk 251. .
  • the annular slide is opened on the disk surface of the fixed disk 251.
  • the center of the fixed disk 251 is provided with a relief hole 2512.
  • the escape hole 2512 can penetrate the fixed disk 251.
  • the opening of the relief hole 2512 causes the entire fixing plate 251 to become an annular structural member, and the first bracket 2521 moves along the annular structure, so that the first bracket 2521 can be rotated in the circumferential direction of the fixed disk 251.
  • At least one of the first bracket 2521 and the fixed disk 251 is provided to be able to be attached to the other. The tightening of the joint.
  • the lens holder 252 may be multiple, and the plurality of lens holders 252 may be distributed along the circumferential direction of the fixed disk 251. Specifically, the plurality of lens holders 252 may be dispersedly arranged along the circumferential direction of the fixed disk 254.
  • the lens holder 252 can also include a second bracket 2522.
  • the second bracket 2522 is disposed on the first bracket 2521.
  • the second bracket 2522 is coupled to the lens 230, thereby implementing the connection of the lens 230 to the first bracket 2521 through the second bracket 2522.
  • the second bracket 2522 can be rotatably engaged with the lens 230 to rotate the lens about its own axis to achieve the purpose of adjusting the lens 230, that is, to achieve the R-direction adjustment of the lens 230.
  • the second bracket 2522 is rotatably disposed on the first bracket 2521 and can be moved in a direction perpendicular to the disc surface of the fixed disc 251, so that the second bracket 2522 drives the lens 230 to perform a pitch rotation, and finally the lens 230 is perpendicular to the fixed disc.
  • the direction of rotation of the disk surface of 251 is adjusted, that is, the T direction is adjusted.
  • the first bracket 2521 can include a buckle 2521c, and the fixing hole 251 is provided with a relief hole 2512.
  • the buckle 2521c is engaged with the fixing plate 251 through the avoidance hole 2512. Further, the connection between the first bracket 2521 and the fixed disk 251 is achieved.
  • the engagement between the buckle 2521c and the fixed disk 251 enables the first bracket 2521 to be unable to move in the direction perpendicular to the disk surface of the fixed disk 251, but does not affect the movement of the first bracket 2521 in the circumferential direction of the fixed disk 251.
  • the disclosed lens adjustment device 250 includes a first bracket 2521 and a third bracket 2523.
  • the third bracket 2523 can be fixed to the body of the camera body by screws.
  • the first bracket 2521 is disposed on the third bracket 2523 and is used to mount the lens 230, and the lens 230 can follow the first bracket 2521.
  • the first bracket 2521 is rotatably engaged with the third bracket 2523, and the first bracket 2521 is rotatable in a direction parallel to the support surface 2523a of the third bracket 2523 in the driven state. That is to say, the rotational fit between the first bracket 2521 and the third bracket 2523 is a tight fit, and it is required to be driven by an external force to achieve relative rotation between the two.
  • the plurality of lenses 230 of the multi-view camera are disposed in a plane in which the support surface 2523a is located, and the lens 230 is rotated in a direction parallel to the support surface 2523a, which is referred to as P-direction adjustment of the lens 230.
  • each of the first brackets 2521 may be mounted on the corresponding third bracket 2523.
  • a first bracket 2521 is mounted on each of the third brackets 2523.
  • the third bracket 2523 can be one, and all the first brackets 2521 can be mounted on the third bracket 2523, that is, as shown in FIG. 11, the third bracket can be understood as a fixed disk.
  • a plurality of lightening holes may be opened in the third bracket 2523.
  • the first bracket 2521 may be provided with a latching hole 2521d
  • the third bracket 2523 may be provided with a plurality of second latches 2523b, and the plurality of second latches 2523b pass through the latching holes 2521d, and The first bracket 2521 is snap-fitted.
  • the plurality of second buckles 2523b can realize the connection between the first bracket 2521 and the third bracket 2523, and also provide a rotating basis for the rotation of the first bracket 2521.
  • the multi-camera camera disclosed in the embodiment of the present application has the advantages of the light-filling device disclosed in the embodiment of the present application.
  • the advantages refer to the description of the corresponding part in this document, and no further details are provided herein.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Studio Devices (AREA)

Abstract

L'invention concerne une caméra à lentilles multiples et un dispositif de complément de lumière associé. Le dispositif de complément de lumière (100) comprend une pluralité de lampes de complément de lumière (110) et un support de lampe annulaire (130) destiné à être monté sur une machine hôte (200) de la caméra à lentilles multiples, le support de lampe annulaire (130) étant emmanché à l'extérieur d'une pluralité de lentilles (230) de la caméra à lentilles multiples, le support de lampe annulaire (130) est pourvu d'une face de montage oblique dans une forme annulaire, la face de montage oblique est agencée obliquement par rapport à un plan où se trouve le support de lampe annulaire (130), la pluralité de lampes de complément de lumière (110) sont agencées de manière décentrée dans une direction circonférentielle de la face de montage oblique, la lampe de complément de lumière (110) comprend un corps électroluminescent (116) et une lumière d'élément de polarisation et de distribution (112) recouvrant le corps électroluminescent, la lumière d'élément de polarisation et de distribution (112) est utilisée pour irradier des rayons lumineux émis par le corps électroluminescent (116) vers l'extérieur à l'opposé du support de lampe annulaire (130), et le plan où le support de lampe annulaire (130) est situé est perpendiculaire à un axe du support de lampe annulaire (130). Le dispositif de complément de lumière résout le problème du pire effet de complément de lumière d'un dispositif de complément de lumière existant.
PCT/CN2018/123171 2017-12-27 2018-12-24 Caméra à lentilles multiples et dispositif de complément de lumière pour caméra à lentilles multiples WO2019128935A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201721872513.7 2017-12-27
CN201721872513.7U CN207906750U (zh) 2017-12-27 2017-12-27 多目摄像机及多目摄像机的镜头调节装置
CN201820481642.1 2018-04-04
CN201820481642.1U CN208128384U (zh) 2018-04-04 2018-04-04 多目摄像机及多目摄像机的镜头调节装置
CN201820498672.3 2018-04-09
CN201820498672.3U CN208079235U (zh) 2018-04-09 2018-04-09 多目摄像机及多目摄像机的补光装置

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WO2019128935A1 true WO2019128935A1 (fr) 2019-07-04

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CN112492229A (zh) * 2019-09-11 2021-03-12 杭州海康威视数字技术股份有限公司 一种摄像装置
CN115174795A (zh) * 2022-08-25 2022-10-11 杭州海康威视数字技术股份有限公司 摄像机
CN115348370A (zh) * 2022-07-18 2022-11-15 浙江科技学院 一种带有补光灯的水下摄影摄像装置
CN115396605A (zh) * 2022-08-04 2022-11-25 南京奥莱科技有限公司 一种异构低时延多目视频拼接方法
CN117108971A (zh) * 2023-10-24 2023-11-24 佳木斯市中心医院 一种多功能医疗护理灯
CN117560558A (zh) * 2024-01-11 2024-02-13 杭州海康威视数字技术股份有限公司 多目摄像机
CN117927906A (zh) * 2024-03-25 2024-04-26 杭州方千科技有限公司 一种可远程调节的补光装置
CN118075424A (zh) * 2024-03-05 2024-05-24 北京市水文总站(北京市水务局水质水生态监测中心) 一种鱼类ai在线识别的水生态监测装置及方法

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CN208079235U (zh) * 2018-04-09 2018-11-09 杭州海康威视数字技术股份有限公司 多目摄像机及多目摄像机的补光装置

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CN201345691Y (zh) * 2009-01-14 2009-11-11 远业科技股份有限公司 改良的监视器结构
WO2012135356A2 (fr) * 2011-03-29 2012-10-04 Automation 21 , Llc Support rotatif pour écran de télévision ou moniteur
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CN112492229A (zh) * 2019-09-11 2021-03-12 杭州海康威视数字技术股份有限公司 一种摄像装置
CN115348370A (zh) * 2022-07-18 2022-11-15 浙江科技学院 一种带有补光灯的水下摄影摄像装置
CN115348370B (zh) * 2022-07-18 2023-12-22 浙江科技学院 一种带有补光灯的水下摄影摄像装置
CN115396605A (zh) * 2022-08-04 2022-11-25 南京奥莱科技有限公司 一种异构低时延多目视频拼接方法
CN115174795A (zh) * 2022-08-25 2022-10-11 杭州海康威视数字技术股份有限公司 摄像机
CN117108971A (zh) * 2023-10-24 2023-11-24 佳木斯市中心医院 一种多功能医疗护理灯
CN117108971B (zh) * 2023-10-24 2024-01-26 佳木斯市中心医院 一种多功能医疗护理灯
CN117560558A (zh) * 2024-01-11 2024-02-13 杭州海康威视数字技术股份有限公司 多目摄像机
CN117560558B (zh) * 2024-01-11 2024-05-14 杭州海康威视数字技术股份有限公司 多目摄像机
CN118075424A (zh) * 2024-03-05 2024-05-24 北京市水文总站(北京市水务局水质水生态监测中心) 一种鱼类ai在线识别的水生态监测装置及方法
CN117927906A (zh) * 2024-03-25 2024-04-26 杭州方千科技有限公司 一种可远程调节的补光装置
CN117927906B (zh) * 2024-03-25 2024-05-28 杭州方千科技有限公司 一种可远程调节的补光装置

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