WO2020164550A1 - Module de lentille et caméra - Google Patents

Module de lentille et caméra Download PDF

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Publication number
WO2020164550A1
WO2020164550A1 PCT/CN2020/075117 CN2020075117W WO2020164550A1 WO 2020164550 A1 WO2020164550 A1 WO 2020164550A1 CN 2020075117 W CN2020075117 W CN 2020075117W WO 2020164550 A1 WO2020164550 A1 WO 2020164550A1
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WO
WIPO (PCT)
Prior art keywords
mounting frame
lens
module
camera
lens module
Prior art date
Application number
PCT/CN2020/075117
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English (en)
Chinese (zh)
Inventor
李杨
颜财盛
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 CN201910118275.8A external-priority patent/CN111565266A/zh
Priority claimed from CN201910185525.XA external-priority patent/CN111698393B/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 WO2020164550A1 publication Critical patent/WO2020164550A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof

Definitions

  • This application relates to the field of camera technology, in particular to lens modules and cameras.
  • the camera includes a casing and a lens module installed in the inner cavity of the casing.
  • the lens module includes a lens.
  • a window is opened on the casing, and the window is arranged opposite to the lens.
  • a transparent protective cover is generally installed on the window.
  • the lens of the existing camera is fixedly installed in the inner cavity of the casing, and the direction of the lens cannot be adjusted.
  • Adjusting the position of the lens takes a long time, especially when the camera is heavy. , It is more difficult to adjust the position of the lens.
  • position adjustment is time-consuming and laborious, resulting in poor user experience.
  • the technical problem solved by this application is to provide a lens module and a camera that can improve the convenience of camera installation.
  • an embodiment of the present application provides a lens module, including:
  • a lens assembly including a lens
  • a first mounting frame, the lens assembly is connected to the first mounting frame
  • a second mounting frame the first mounting frame is rotatably connected with the second mounting frame, and the second mounting frame is used to connect with the camera housing;
  • the first driving assembly drives the first mounting frame to rotate.
  • the first drive assembly drives the first mounting frame to rotate in a first plane
  • the lens module further includes a third mounting frame and a second drive Assembly
  • the second mounting frame is rotatably connected with the third mounting frame
  • the second drive assembly drives the second mounting frame to rotate on a second plane; the first plane and the second plane vertical.
  • a first driven gear is provided on the first mounting frame, the first drive assembly includes a first drive gear, and the first drive gear and The first driven gear meshes, and the first driven gear is a sector gear.
  • the rotation angle of the first mounting frame is 0-20 degrees.
  • the lens module further includes a first elastic member, and the first elastic member applies to the first driving gear and the first driven gear. A force that drives the first driving gear and the first driven gear to approach each other.
  • the manufacturing material of the first elastic member is austenitic stainless steel.
  • the first drive assembly is mounted on the second mounting frame
  • the first elastic member is a torsion spring
  • the torsion spring includes a main body, A first elastic arm and a second elastic arm, the first elastic arm is pressed against the second mounting frame, and the second elastic arm is connected with the first mounting frame.
  • a first limiting slot is provided on the first mounting frame, and the first elastic arm is in a limiting fit with the first limiting slot, and /Or, a second limiting slot is provided on the second mounting frame, and the second elastic arm is in a limiting fit with the second limiting slot.
  • a first rotating shaft is provided on the first mounting frame, a shaft seat is provided on the second mounting frame, and a first shaft is provided in the shaft seat.
  • a shaft hole, the first shaft is rotatably connected with the first shaft hole, the main body has a through hole, and the main body is sleeved and matched with the first shaft or the shaft seat.
  • the first mounting frame is provided with two first rotating shafts, namely a rotating shaft A and a rotating shaft B, and the rotating shaft A and the rotating shaft B are respectively disposed on the On both sides of the first mounting frame, the first elastic member is sleeved on the rotating shaft A and the rotating shaft B.
  • a first open end is provided on the first limiting body, and a surface of the first limiting groove pressed by the first elastic arm Is a first pressing surface, the first open end is arranged opposite to the first pressing surface, and/or a second open end is provided on the second limiting groove, and the second limiting groove
  • the surface of the positioning groove pressed by the second elastic arm is a second pressing surface, and the second open end is disposed opposite to the second pressing surface.
  • a second driven gear is provided on the second mounting frame, and the second drive assembly includes a second drive gear, and the second drive gear and The second driven gear meshes, and the second driven gear is a sector gear.
  • the rotation angle of the second mounting frame is 0-20 degrees.
  • the third mounting frame is provided with an arc-shaped slot
  • the second mounting frame is connected with a limit arm
  • the limit arm is movably arranged In the arc-shaped slot, and the limiting arm is limited by both ends of the arc-shaped slot.
  • a second elastic member is provided on the second mounting frame, and a second elastic member is provided on the surface of the third mounting frame opposite to the second elastic member.
  • a damping surface, the second elastic member is pressed on the first damping surface, and the second elastic member is movably arranged on the first damping surface.
  • a protrusion is provided on the second elastic member, and the protrusion is pressed onto the first damping surface.
  • the surface of the second elastic member that is pressed against the first damping surface is a second damping surface
  • the first damping surface and the first damping surface are Both damping surfaces are biting surfaces.
  • an embodiment of the present application provides a camera, including a first housing and any of the above-mentioned lens modules, the first housing has a mounting cavity, and the first housing is provided with a first window , The lens module is arranged in the installation cavity of the first housing, and the lens is arranged opposite to the first window.
  • the lens module is a first camera module
  • the camera further includes a rotatable second housing
  • the second housing has an installation cavity
  • a second window is opened on the second housing
  • a second camera module is installed in the installation cavity of the second housing
  • the second camera module includes a camera, the camera and the second window Relative settings.
  • an embodiment of the present application provides a camera capture module.
  • the capture module includes a module base, a rotating capture part that is rotatably connected to the module base through a rotating shaft, and an elastic buffer sleeved on the rotating shaft. Part, a gear transmission part, and a driving part that is connected to the rotation capture part through the gear transmission part, one end of the elastic buffer part is connected with the rotation capture part, and the other end is connected with the module base.
  • the elastic buffer portion is a torsion spring.
  • the material of the elastic buffer part is austenitic stainless steel.
  • the rotating capture part includes a lens holder and a lens arranged on the lens holder, the lens holder is provided with a first slot, and one end of the elastic buffer part is locked in the first One card slot.
  • the module base is provided with a second slot, and one end of the elastic buffer portion is locked in the second slot.
  • the number of rotation shafts is set to two, namely a first rotation shaft and a second rotation shaft, and the first rotation shaft and the second rotation shaft are respectively disposed on the rotation capture On both sides of the part, the elastic buffer part is sleeved on the first rotating shaft and the second rotating shaft.
  • the module base includes a seat body and a shaft sleeve, the shaft sleeve is detachably fixed to the seat body by a first threaded fastener, the shaft sleeve defines a positioning hole, and At least a part of the rotating shaft is located in the positioning hole.
  • the gear transmission portion includes a gear and a rack that mesh with each other, the gear is connected to the driving portion, and the rack is fixed to the rotating capture portion.
  • the rack has an arc structure.
  • the driving part is a motor
  • the housing of the driving part is fixed to the module base by a second threaded fastener.
  • an embodiment of the present application provides a camera, including any one of the aforementioned capture modules.
  • the lens module is a first camera module
  • the camera further includes a rotatable second housing
  • the second housing has a mounting cavity
  • the second housing A second window is opened on the upper side
  • a second camera module is installed in the installation cavity of the second housing.
  • the second camera module includes a camera, and the camera is arranged opposite to the second window.
  • the advantage of the lens module of the present application is that the first mounting frame can be rotated by the driving of the first driving assembly, and the lens assembly rotates with the rotation of the first mounting frame, that is, all of the present application
  • the position of the lens of the lens module is adjustable, so that after the lens module of the present application is installed on the camera, when the camera is installed at the camera position, only the lens needs to be roughly aligned with the target to be photographed. , The requirements for the accuracy of the lens installation position are low. When the camera is shooting, the lens is accurately aligned at the target shooting position.
  • the lens position of the lens module of the present application is adjustable, thereby reducing the requirements for the installation accuracy of the camera when the camera is installed at the camera position, and it is convenient to install the camera.
  • FIG. 1 is an exploded view of the lens module of Embodiment 1 of the application
  • Figure 2 is a partial enlarged view of Figure 1 at I;
  • FIG. 3 is an overall view of the lens module according to Embodiment 1 of the application.
  • Figure 4 is a partial enlarged view of Figure 3 at II;
  • FIG 5 is an overall view of the lens module when the lens of Embodiment 1 of the application is in the upper limit position;
  • FIG. 6 is an overall view of the lens module when the lens of Embodiment 1 of the application is in the lower limit position;
  • FIG. 7 is an exploded view of the second mounting frame and the third mounting frame of Embodiment 2 of the application.
  • FIG. 8 is an assembly diagram of the second mounting frame and the third mounting frame of Embodiment 2 of the application.
  • FIG. 9 is a top view of the second mounting frame and the third mounting frame of the second embodiment of the application after being assembled;
  • FIG. 10 is an exploded view of the lens module according to Embodiment 2 of the application.
  • FIG 11 is an overall view of the lens module when the lens of Embodiment 2 of the application is at the left extreme position;
  • FIG. 13 is a cross-sectional view of the connection between the limiting arm and the arc-shaped groove in Embodiment 2 of the application;
  • FIG. 16 is an internal structure diagram of a camera according to Embodiment 3 of the application.
  • FIG. 17 is an external structure diagram of a camera according to Embodiment 3 of the application.
  • Fig. 19 is an exploded view of the capture module disclosed in an embodiment of the application.
  • Lens module 100 lens assembly 10, lens 11, first mounting frame 20, first driven gear 21, first rotating shaft 22, first limiting body 23, first limiting slot 231, first open end 2311 ,
  • Module base 110 seat body 111, sleeve 112, positioning hole 112a, rotating capture part 120, lens holder 121, lens 122, elastic buffer part 130, gear transmission part 140, gear 141, rack 142, drive part 150, rotation
  • this embodiment discloses a lens module 100.
  • the above-mentioned lens module 100 includes a lens assembly 10, a first mounting frame 20, a second mounting frame 30, and a first driving assembly 40.
  • the lens assembly 10 includes a lens 11.
  • the lens assembly 10 is connected to the first mounting frame 20.
  • the first mounting frame 20 and the second mounting frame 30 are rotatably connected, and the second mounting frame 30 is used to connect with the housing of the camera 200.
  • the first driving assembly 40 drives the first mounting frame 20 to rotate.
  • the advantage of the lens module 100 of this embodiment is that the first mounting frame 20 of this embodiment can be rotated under the drive of the first driving assembly 40, and the lens assembly 10 can rotate with the rotation of the first mounting frame 20, that is, the
  • the position of the lens 11 in the lens module 100 of the embodiment is adjustable, so that after the lens module 100 of this embodiment is installed on the camera 200, when the camera 200 is installed at the camera position, only the lens 11 needs to be roughly aligned. The target to be photographed is sufficient. Compared with the prior art, the requirement for the accuracy of the installation position of the lens 11 is lower.
  • the first driving component 40 is controlled to rotate by the control device, so that the lens 11 is accurately aligned with the target shooting position.
  • the position of the lens 11 of the lens module 100 of this embodiment is adjustable, thereby reducing the requirements for the installation accuracy of the camera 200 when it is installed at the shooting position, and the installation of the camera 200 is convenient.
  • a first driven gear 21 is provided on the first mounting frame 20, and the first driving assembly 40 includes a first driving gear 42, a first driving gear 42 It meshes with the first driven gear 21, and the first driven gear 21 is a sector gear.
  • the first driven gear 21 in this embodiment may be a sector gear, so that the first mounting frame 20 can be driven by the first driving gear 42 to rotate within a certain range of angles. Since the first driven gear 21 is a sector gear, the installation space is saved while meeting the requirements of the rotation range of the first mounting frame 20.
  • the first drive gear 42 is a complete gear.
  • the first driving assembly 40 is installed on the second mounting frame 30.
  • the first driving assembly 40 may further include a first power member 41.
  • the first power member 41 may be an electric motor.
  • the first power member 41 may be connected to the second mounting frame 30 through a second connecting member 82, and the second connecting member 82 may be a screw.
  • the output shaft of the electric motor is connected to the first drive gear 42 and the output shaft of the electric motor can be rotated forward and backward.
  • the rotation of the output shaft of the motor drives the first drive gear 42 to rotate, the first drive gear 42 drives the first driven gear 21 to rotate, and the first driven gear 21 rotates to drive the first mounting frame 20 to rotate.
  • the lens assembly 10 Since the lens assembly 10 is installed on the first On the mounting frame 20, the lens assembly 10 rotates with the rotation of the first mounting frame 20, that is, the lens 11 rotates with the rotation of the first mounting frame 20.
  • the first drive assembly 40 can also be installed on a bracket other than the first mounting frame 20 and the second mounting frame 30.
  • a through hole 36 is provided on the second mounting frame 30.
  • the through hole 36 is arranged opposite to the lens 11. It is a circular hole.
  • the rotation angle of the first mounting frame 20 in this embodiment is 0-20 degrees.
  • the lens 11 of this embodiment can rotate upwards, and the included angle with the horizontal plane reaches 10 degrees.
  • the lens 11 of this embodiment can be rotated downward, and the included angle with the horizontal plane reaches 10 degrees.
  • the size of the through hole 36 should be large enough so that the through hole 36 will not block the lens 11 during the entire rotation of the lens 11.
  • the lens module 100 of this embodiment further includes a first elastic member, which applies a force to the first driving gear 42 and the first driven gear 21 , The force drives the first drive gear 42 and the first driven gear 21 to approach each other.
  • the function of the first elastic member is to eliminate the matching gap between the first drive gear 42 and the first driven gear 21, thereby improving the first
  • the rotation accuracy of the mounting frame 20 further improves the rotation accuracy of the lens 11, so that after the lens module 100 is installed on the camera, the lens 11 can be accurately aligned with the position to be photographed when the camera is shooting.
  • the manufacturing material of the first elastic member is austenitic stainless steel, which has the advantages of high toughness, good plasticity, simple structure, and easy processing.
  • the first drive assembly 40 is mounted on the second mounting frame 30, the first elastic member is a torsion spring 50, and the torsion spring 50 includes a main body 53 and a second mounting frame. An elastic arm 51 and a second elastic arm 52. The first elastic arm 51 is pressed against the second mounting frame 30, and the second elastic arm 52 is connected to the first mounting frame 20.
  • the torsion spring 50 has a simple structure, low cost, and convenient installation.
  • a first limiting body 23 is provided on the first mounting frame 20, and a first limiting groove 231 is provided on the first limiting body 23.
  • An elastic arm 51 is in position-limiting cooperation with the first limiting slot 231, and the connection and disassembly of the first elastic arm 51 and the first mounting frame 20 are relatively convenient.
  • the first limiting body 23 is provided with a first open end 2311, the surface of the first limiting groove 231 pressed by the first elastic arm 51 is a first pressing surface 232, and the first open end 2311 is connected to the first pressing surface 232.
  • the pressing surfaces 232 are arranged oppositely.
  • the second mounting frame 30 is provided with a second limiting body 31, the second limiting body 31 is provided with a second limiting slot 311, the second elastic arm 52 and the second limiting
  • the slot 311 is in position-limiting cooperation, and the connection and disassembly of the second elastic arm 52 and the second mounting frame 30 are relatively convenient.
  • the second limiting groove 311 is provided with a second open end 3111.
  • the surface of the second limiting groove 311 pressed by the second elastic arm 52 is the second pressing surface 312.
  • the second open end 3111 is connected to the second pressing surface 312.
  • the pressing surfaces 312 are arranged oppositely.
  • both sides of the first mounting frame 20 are provided with a first rotating shaft 22, correspondingly, the second mounting frame 30 is provided with two shaft seats 35, and the first shaft is provided in the shaft seat 35.
  • the hole 351 one first shaft 22 is rotatably connected with one of the first shaft holes 351, and the other first shaft 22 is rotatably connected with the other first shaft hole 351.
  • the outer end of the first rotating shaft 22 has a threaded hole, and the inner end of the first connecting member 81 is threadedly connected to the threaded hole.
  • the outer end of the first connecting member 81 has a larger size and is limited outside the first shaft hole 351.
  • the first shaft 22 and the first shaft hole 351 are connected together by the first connecting member 81, and the first shaft 22 can rotate in the first shaft hole 351.
  • the first connecting member 81 may be a screw.
  • the main body 53 of the torsion spring 50 has a perforation 531.
  • the main body 53 is sleeved and matched with the first rotating shaft 22 or the shaft seat 35. It is convenient to install the torsion spring 50, and no additional installation structure is needed to install the torsion spring 50, thereby saving space. And production process.
  • the torsion spring 50 may be a metal spring.
  • the first mounting frame 20 is provided with two first rotating shafts 22, which are a rotating shaft A and a rotating shaft B, respectively.
  • the rotating shaft A and the rotating shaft B are respectively disposed on the first mounting frame 20.
  • the rotation axis A and the rotation axis B are fitted with first elastic parts.
  • the first elastic member is fitted on the moving shaft A and the rotating shaft B to apply force to the first mounting frame 20 at the same time, so the cushioning effect is better.
  • this embodiment One of the shaft base 35 is detachably connected to the second mounting frame 30.
  • first connect one of the first rotating shafts 22 to one of the first shaft holes 351 then connect the other first rotating shaft 22 to the first shaft hole 351 of the detachable shaft base 35, and finally connect the detachable shaft
  • the seat 35 is connected to the second mounting frame 30 through a connecting piece. Since one of the shaft seats 35 is detachably connected to the second mounting frame 30, it is also convenient to separate the first mounting frame 20 and the second mounting frame 30 when repairing or replacing parts.
  • the lens module 100 of this embodiment includes the lens module 100 of Embodiment 1.
  • the lens module 100 of this embodiment further includes a third mounting frame 60 and a second drive assembly 70.
  • the driving assembly 40 drives the first mounting frame 20 to rotate on the first plane
  • the second mounting frame 30 and the third mounting frame 60 are rotatably connected
  • the second driving assembly 70 drives the second mounting frame 30 to rotate on the second plane.
  • the first plane is perpendicular to the second plane.
  • the first plane may be a plane perpendicular to the ground
  • the second plane may be a plane horizontal to the ground.
  • a second rotating shaft 37 is provided on the surface of the second mounting frame 30 facing the third mounting frame 60. Accordingly, the third mounting frame 60 may be provided with a second shaft passing through the third mounting frame 60. A hole 63, the second rotating shaft 37 and the second shaft hole 63 are rotatably connected.
  • the first mounting frame 20 can be made of plastic material.
  • the second mounting frame 30 may be made of plastic material.
  • the shaft base 35 can be made of plastic material.
  • the third mounting frame 60 may be made of plastic material.
  • the third connecting member 83 has a disc-shaped structure, and a mounting hole is provided on the third connecting member 83.
  • the fourth connecting member 84 passes through the mounting hole to connect the third connecting member 83 and the second rotating shaft 37 together, and the third connecting member 83 is restricted outside the second shaft hole 63.
  • the third connecting member 83 and the fourth connecting member 84 are used to connect the second rotating shaft 37 and the second shaft hole 63, and the second rotating shaft 37 and the second shaft hole 63 are rotatably connected.
  • the fourth connecting member 84 may be a screw.
  • the advantage of the lens module 100 of this embodiment is that when the first driving component 40 is working, the lens 11 is finally driven to rotate in the first plane.
  • the second driving assembly 70 drives the second mounting frame 30 to rotate on the second plane. Since the first mounting frame 20 and the second mounting frame 30 are connected together, and the lens module 100 and the first mounting frame 20 are connected together, when the When the second driving assembly 70 works, the lens 11 is driven to rotate in the second plane. Therefore, the lens 11 of this embodiment can rotate in two mutually perpendicular planes. Compared with the lens 11 of the first embodiment, the lens 11 of this embodiment has a larger adjustable range and adjustable precision.
  • a second driven gear 32 is provided on the second mounting frame 30, and the second drive assembly 70 includes a second drive gear 72.
  • the driven gear 32 meshes, and the second driven gear 32 is a sector gear.
  • the second driven gear 32 in this embodiment is a sector gear, so that the second mounting frame 30 can be driven by the second driving gear 72 to rotate within a certain range of angles. Since the second driven gear 32 is a sector gear, it saves installation space while meeting the requirements of the rotation range of the second mounting frame 30. At the same time, the sector gear can limit the adjustment range to prevent equipment damage due to adjustment transition. .
  • the second drive gear 72 is a complete gear.
  • the second driving assembly 70 is installed on the third mounting frame 60.
  • the second driving assembly 70 further includes a second power member 71, which is connected to the third mounting frame 60 through a fifth connecting member 85, and the fifth connecting member 85 may be a screw.
  • the second power part 71 may be an electric motor.
  • the output shaft of the electric motor is connected to the second drive gear 72, and the output shaft of the electric motor can be rotated forward and backward.
  • the rotation of the output shaft of the motor drives the second driving gear 72 to rotate, the second driving gear 72 drives the second driven gear 32 to rotate, and the second driven gear 32 rotates to drive the second mounting frame 30 to rotate.
  • the second drive assembly 70 can also be installed on other brackets other than the second mounting frame 30 and the third mounting frame 60.
  • the rotation angle of the second mounting frame 30 in this embodiment is 0-20 degrees.
  • the centerline of the through hole 36 is used as a reference.
  • the lens 11 of this embodiment can rotate to the left and is aligned with the centerline of the through hole 36.
  • the included angle reaches 10 degrees.
  • the lens 11 of this embodiment can rotate to the right, and the included angle with the center line of the through hole 36 reaches 10 degrees.
  • the size of the through hole 36 should be large enough so that the through hole 36 will not block the lens 11 during the entire rotation of the lens 11.
  • the third mounting frame 60 is provided with an arc-shaped slot 61, the second mounting frame 30 is connected to a limit arm 33, and the limit arm 33 is movably arranged on the arc. In the groove 61, and the limit arm 33 is restricted by the two ends of the arc groove 61, so that the rotation range of the second mounting frame 30 in the second plane can be accurately controlled.
  • a limit hook 331 is provided on the limit arm 33, and the limit hook 331 is used to prevent the limit arm 33 from detaching from the arc groove 61.
  • the third mounting frame 60 is provided with a limiting portion 64 that cooperates with the limiting hook 331.
  • the surface of the limiting portion 64 surrounding the arc-shaped groove 61 is the limiting surface 641, and the limiting hook 331 is limited by the limiting surface 641. Face 641 limit.
  • the number of limit arms 33 may be two, and the two limit arms 33 are symmetrically arranged. When the third mounting frame 60 rotates to the left to the left limit position, the left limit arm 33 is limited by the left end of the arc-shaped slot 61. When the third mounting frame 60 rotates to the right limit position, the right limit arm 33 is limited by the right end of the arc groove 61.
  • a second elastic member 34 is provided on the second mounting frame 30, and the second elastic member 34 will move with the movement of the second mounting frame 30.
  • a first damping surface 62 is provided on the surface of the third mounting frame 60 opposite to the second elastic member 34, the second elastic member 34 is pressed against the first damping surface 62, and the second elastic member 34 is movably disposed on the first damping surface 62.
  • the second elastic member 34 is beneficial to eliminate the gap between the second driving gear 72 and the second driven gear 32, thereby improving the rotation accuracy of the second mounting frame 30 in the second plane, thereby improving the rotation accuracy of the lens 11.
  • the second elastic member 34 is provided with a protrusion 341, and the protrusion 341 is pressed against the first damping surface 62, so that the second elastic member can be reduced.
  • the mating area between 34 and the first damping surface 62 enables relative movement between the second elastic member 34 and the first damping surface 62 and has a suitable damping force.
  • the number of the second elastic members 34 in this embodiment may be two, and the two second elastic members 34 are symmetrically arranged.
  • the second elastic member 34 has elasticity.
  • the second elastic member 34 may be made of plastic.
  • the surface of the second elastic member 34 that is pressed against the first damping surface 62 is the second damping surface, because the protrusion 341 of the second elastic member 34 in this embodiment is pressed against the first damping surface.
  • the surface where the protrusion 341 is attached to the first damping surface 62 is the second damping surface.
  • Both the first damping surface 62 and the second damping surface are bitten surfaces, which are beneficial to increase the damping force between the first damping surface 62 and the second damping surface, and also make the first damping surface 62 and the second damping surface
  • the damping force is relatively stable, so that the rotation of the second mounting frame 30 has no sense of stagnation and is relatively stable.
  • Both the first damping surface 62 and the second damping surface may be surfaces formed by biting processing.
  • this embodiment discloses a camera 200.
  • the camera 200 includes a first housing 210 and the lens module 100 of the second embodiment.
  • the first housing 210 has a mounting cavity, and the first housing 210 A first window 211 is opened on the upper side, the lens module 100 is disposed in the installation cavity of the first housing 210, and the lens 11 is disposed opposite to the first window 221.
  • Both the first power part 41 and the second power part 71 of this embodiment can be signal connected to the control circuit board of the camera 200.
  • the camera 200 can be provided with an angle adjustment button or a knob, and the angle adjustment button or knob is used to control the lens 11 Rotate.
  • the advantage of the camera 200 of this embodiment is that the first mounting frame 20 can be rotated by the driving of the first driving assembly 40, and the lens assembly 10 rotates with the rotation of the first mounting frame 20, that is, the lens module 100 of this embodiment
  • the position of the lens 11 is adjustable, so that when the camera 200 is installed at the shooting position, the lens 11 only needs to be roughly aligned with the target to be photographed, and the accuracy of the installation position of the lens 11 is low.
  • the first driving assembly 40 can be controlled to rotate by the control device, so that the lens 11 can be accurately aimed at the target shooting position.
  • the position of the lens 11 of the lens module 100 of this embodiment is adjustable, thereby reducing the requirements for the installation accuracy of the camera 200 when it is installed at the shooting position, and the installation of the camera 200 is convenient.
  • the lens module 100 is a first camera module
  • the camera 200 further includes a rotatable second housing 220.
  • the second housing 220 has a mounting cavity therein, and the second housing 220 is provided with a second Window 221, a second camera module is installed in the installation cavity of the second housing 220, the second camera module includes a camera, and the camera is disposed opposite to the second window 221.
  • the lens module 100 can be used for global monitoring, and the second camera module can be used for detailed monitoring.
  • Both sides of the first window 211 are provided with first light supplement lamps 212, and the first light supplement lamps 212 are used to supplement light to the lens 11 of the lens module 100 when the lens module 100 is taking a picture.
  • Both sides of the second window 221 are provided with second light supplement lamps 222, and when the second camera module is taking pictures, the second light supplement lamps 222 are used to supplement light for the camera of the second camera module.
  • the embodiment of the present application discloses a camera, and the camera may specifically be a cylindrical camera.
  • the camera specifically includes a capture module, as shown in FIG. 18 and FIG. 19, the capture module includes a module base 110, a rotating capture part 120 connected to the module base 110 by a rotating shaft 160, and an elastic buffer part 130 sleeved on the rotating shaft 160 , The gear transmission part 140 and the driving part 150 which is connected to the rotating capture part 120 through the gear transmission part 140.
  • One end of the elastic buffer portion 130 is connected to the rotating snapping portion 120, and the other end is connected to the module base 110, and a spiral structure is arranged in the middle portion, and the spiral structure is sleeved on the rotating shaft 160.
  • the spiral structure can be set in one turn, two turns or even more turns.
  • the rotating capture part 120 may specifically include a lens holder 121 and a lens 122 arranged on the lens holder 121.
  • the rotating shaft 160 may be connected to the lens holder 121.
  • the driving part 150 may directly drive the lens holder 121 to rotate.
  • the lens 122 may be a telephoto lens or Wide-angle lens, etc., this application does not limit this.
  • the driving part 150 can drive the rotating capture part 120 to work through the gear transmission part 140. Since the elastic buffering part 130 is connected with the rotating capture part 120 and the module base 110 at the same time, the rotating capture part 120 will be elastic The force applied by the buffer part 130 can overcome the gravity and inertia of the rotating capture part 120 itself, make the movement of the rotating capture part 120 more stable, and prevent collision when the rotating capture part 120 rotates, thereby extending the work of the capture module life. At the same time, it can eliminate the tooth gap and achieve the effect of vibration reduction.
  • the above-mentioned elastic buffer portion 130 may be specifically configured as a torsion spring, so as to facilitate the installation of the elastic buffer portion 130 and at the same time produce a better buffer effect.
  • the manufacturing material of the torsion spring can be austenitic stainless steel, which has the advantages of high toughness, good plasticity, simple structure and easy processing.
  • a first slot may be provided on the lens holder 121, and one end of the elastic buffer portion 130 is locked in the first slot .
  • the elastic buffer portion 130 When installing the elastic buffer portion 130, it is only necessary to apply a force to the elastic buffer portion 130 to deform it so that one end of the elastic buffer portion 130 enters the first slot, thereby completing the elastic buffer portion 130 and the rotating capture portion 120 connection.
  • a force is also applied to the elastic buffer portion 130 to deform it so that one end of the elastic buffer portion 130 can escape from the first slot, thereby completing the separation of the elastic buffer portion 130 and the rotating snap portion 120 . It can be seen that the installation operation of the elastic buffer portion 130 is relatively simple, and the structure of the elastic buffer portion 130 and the rotating capture portion 120 will not be damaged during the disassembly and assembly process, which is more convenient for maintenance.
  • a second slot can be provided on the module base 110, and one end of the elastic buffer portion 130 is locked in the second slot.
  • the connection and disassembly operations between the elastic buffer portion 130 and the module base 110 are relatively easy to implement, and the structure of the module base 110 will not be damaged when the elastic buffer portion 130 is removed, which is more convenient for maintenance.
  • a first slot can be provided on the lens holder 121, and a second slot can be provided on the module base 110 at the same time. One end of the elastic buffer part 130 is locked in the first slot and the other end is locked. In the second card slot, to further strengthen the above effect.
  • two rotating shafts 160 may be provided.
  • the two rotating shafts 160 are respectively a first rotating shaft and a second rotating shaft.
  • the first rotating shaft and the second rotating shaft are respectively It is arranged on both sides of the rotating capture part 120.
  • the elastic buffer 130 can be fitted only on the first rotating shaft, or the elastic buffer 130 can be fitted only on the second rotating shaft, or the elastic buffer can be fitted on both the first rotating shaft and the second rotating shaft at the same time. ⁇ 130.
  • the elastic buffer portions 130 installed on the first rotation shaft and the second rotation shaft can simultaneously apply force to the rotation capture portion 120, so the buffer effect is better.
  • the module base 110 may include a seat body 111 and a shaft sleeve 112, and the shaft sleeve 112 is detachably fixed to the seat body 111 by a first threaded fastener 170.
  • the sleeve 112 defines a positioning hole 112a, and at least a part of the rotating shaft 160 is located in the positioning hole 112a. Since the rotating shaft 160 needs to bear a relatively large force, the force on the shaft sleeve 112 will also be relatively large, resulting in a relatively high replacement rate of the shaft sleeve 112.
  • the sleeve 112 By fixing the sleeve 112 on the base 111 by the first threaded fastener 170, the sleeve 112 can be easily replaced, and the maintainability of the entire capture module is better.
  • the shaft sleeve 112 can be separately configured as a structure with higher structural strength, so that its ability to withstand external forces is enhanced, and thus is not prone to damage, so that the setting will not increase the cost of the capture module too much.
  • the first threaded fastener 170 here may be provided as one or more, which may specifically be screws.
  • the gear transmission portion 140 may include a gear 141 and a rack 142 that are engaged with each other.
  • the gear 141 is connected to the driving portion 150.
  • the rack 142 is fixed to the rotating capture portion 120, specifically, to the lens holder 121 .
  • the gear 141 can specifically be sleeved on the output shaft of the driving part 150, so the driving part 150 can drive the gear 141 to rotate, and the gear 141 then drives the rack 142 to move, thereby driving the rotating capture part 120 to rotate.
  • the rack 142 may have an arc structure, so that the gear 141 and the rack 142 can maintain the meshing state more accurately.
  • the radian of the rack 142 may be determined according to factors such as the coverage of the rotating capture portion 120, which is not limited in the embodiment of the present application.
  • the driving part 150 in order to drive the gear transmission part 140 to move more stably, the driving part 150 may be configured as a motor, and the housing of the driving part 150 is fixed to the module base 110 through the second threaded fastener 180 so as to For the disassembly and assembly of the driving part 150 and subsequent maintenance.
  • the second threaded fastener 180 here may be provided as one or more, which may specifically be screws.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Structure And Mechanism Of Cameras (AREA)

Abstract

L'invention concerne un module de lentille et une caméra. Le module de lentille comprend un ensemble lentille, un premier cadre de montage, un second cadre de montage, et un premier ensemble d'entraînement, l'ensemble lentille comprenant une lentille. L'ensemble lentille est relié au premier cadre de montage. Le premier cadre de montage est relié rotatif au second cadre de montage, et le second cadre de montage est conçu pour être relié à un boîtier de la caméra. Le premier ensemble d'entraînement entraîne le premier cadre de montage afin de tourner. La caméra comprend un premier boîtier et le module de lentille, le premier boîtier est pourvu d'une cavité de montage à l'intérieur de celui-ci, une première fenêtre est formée dans le premier boîtier, le module de lentille est agencé dans la cavité de montage du premier boîtier, et la lentille est agencée à l'opposé de la première fenêtre. La position de la lentille du module de lentille de la présente invention est réglable, de sorte que, après que le module de lentille de la présente invention soit monté sur la caméra, lorsque la caméra est montée à une position de capture d'image, la lentille doit être approximativement alignée avec une cible à photographier, l'exigence de précision pour une position de montage de la lentille est faible, et le montage de caméra est pratique.
PCT/CN2020/075117 2019-02-14 2020-02-13 Module de lentille et caméra WO2020164550A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201910118275.8A CN111565266A (zh) 2019-02-14 2019-02-14 摄像机的抓拍模块及摄像机
CN201910118275.8 2019-02-14
CN201910185525.X 2019-03-12
CN201910185525.XA CN111698393B (zh) 2019-03-12 2019-03-12 镜头模组及摄像机

Publications (1)

Publication Number Publication Date
WO2020164550A1 true WO2020164550A1 (fr) 2020-08-20

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Application Number Title Priority Date Filing Date
PCT/CN2020/075117 WO2020164550A1 (fr) 2019-02-14 2020-02-13 Module de lentille et caméra

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Country Link
WO (1) WO2020164550A1 (fr)

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CN114449157A (zh) * 2020-11-05 2022-05-06 英业达科技有限公司 摄像装置
CN114785922A (zh) * 2022-04-08 2022-07-22 杭州海康威视数字技术股份有限公司 摄像装置
CN115002323A (zh) * 2022-05-27 2022-09-02 杭州海康威视数字技术股份有限公司 摄像机
CN116787492A (zh) * 2023-03-23 2023-09-22 安徽文达信息工程学院 一种配置图像采集单元的机械手
CN118080519A (zh) * 2024-04-18 2024-05-28 长沙创荣电子科技有限公司 一种提高影像投射效果的投影设备

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CN102377918A (zh) * 2010-08-10 2012-03-14 深圳市蓝恩数字技术有限公司 一种水下摄像机
CN208094668U (zh) * 2018-03-30 2018-11-13 杭州海康威视数字技术股份有限公司 一种摄像机
CN208094669U (zh) * 2018-03-30 2018-11-13 杭州海康威视数字技术股份有限公司 一种双目摄像机

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JP2002016909A (ja) * 2000-06-28 2002-01-18 Tokin Corp パノラマ画像撮影用カメラの遠隔制御方法およびその制御システム
CN102377918A (zh) * 2010-08-10 2012-03-14 深圳市蓝恩数字技术有限公司 一种水下摄像机
CN208094668U (zh) * 2018-03-30 2018-11-13 杭州海康威视数字技术股份有限公司 一种摄像机
CN208094669U (zh) * 2018-03-30 2018-11-13 杭州海康威视数字技术股份有限公司 一种双目摄像机

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114449157A (zh) * 2020-11-05 2022-05-06 英业达科技有限公司 摄像装置
CN114449157B (zh) * 2020-11-05 2024-06-07 英业达科技有限公司 摄像装置
CN114785922A (zh) * 2022-04-08 2022-07-22 杭州海康威视数字技术股份有限公司 摄像装置
CN114785922B (zh) * 2022-04-08 2024-01-19 杭州海康威视数字技术股份有限公司 摄像装置
CN115002323A (zh) * 2022-05-27 2022-09-02 杭州海康威视数字技术股份有限公司 摄像机
CN116787492A (zh) * 2023-03-23 2023-09-22 安徽文达信息工程学院 一种配置图像采集单元的机械手
CN116787492B (zh) * 2023-03-23 2023-12-12 安徽文达信息工程学院 一种配置图像采集单元的机械手
CN118080519A (zh) * 2024-04-18 2024-05-28 长沙创荣电子科技有限公司 一种提高影像投射效果的投影设备

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