WO2021208562A1 - Support d'adaptateur de caméra, caméra et verrou de porte intelligent - Google Patents

Support d'adaptateur de caméra, caméra et verrou de porte intelligent Download PDF

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Publication number
WO2021208562A1
WO2021208562A1 PCT/CN2021/073938 CN2021073938W WO2021208562A1 WO 2021208562 A1 WO2021208562 A1 WO 2021208562A1 CN 2021073938 W CN2021073938 W CN 2021073938W WO 2021208562 A1 WO2021208562 A1 WO 2021208562A1
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WO
WIPO (PCT)
Prior art keywords
camera
groove
hole
side plate
top plate
Prior art date
Application number
PCT/CN2021/073938
Other languages
English (en)
Chinese (zh)
Inventor
张匡辉
贺茂元
江俊
Original Assignee
惠州视维新技术有限公司
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 惠州视维新技术有限公司 filed Critical 惠州视维新技术有限公司
Publication of WO2021208562A1 publication Critical patent/WO2021208562A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • 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
    • 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
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit

Definitions

  • the present disclosure relates to the technical field of smart door locks, in particular to a camera adapter frame, a camera and a smart door lock.
  • smart door locks In daily life, smart door locks are generally installed on the door at a height of 1 meter above the ground (in order to easily hold the handle on the door lock, it also conforms to the traditional door lock design position), and the camera with face recognition function is directly installed on the smart door.
  • the imaging range in the vertical height direction of the face recognition cannot cover the height of an adult when performing face recognition, which often results in a low recognition success rate.
  • the purpose of the present disclosure is to provide a camera adapter, a camera and a smart door lock, which aims to overcome the small recognition range of the smart door lock in the prior art when performing face recognition. Defects.
  • embodiments of the present disclosure provide a camera adapter frame for fixing a camera module, which includes a top plate, and a first side plate and a second side plate provided at both ends of the top plate; the top plate A waist-shaped groove is provided on the upper surface, the lower surface of the top plate is provided with an inclined surface groove, and the assembly surface enclosed by the lower surface of the top plate and the surface of the inclined surface groove is adapted to the mounting surface of the camera module .
  • the waist-shaped groove includes a groove top hole opened on the upper surface of the top plate, a groove bottom hole opened on the surface of the inclined groove, and The groove wall connecting the groove top hole and the groove bottom hole.
  • the waist-shaped groove is a through hole, which penetrates from the upper surface of the top plate to the lower surface of the top plate.
  • the slot top hole is larger than the slot bottom hole, and the center of the slot top hole and the center of the slot bottom hole are not on the same axis.
  • the top hole of the groove is a waist-shaped hole
  • the bottom hole of the groove is a round hole
  • the groove wall is an inclined surface
  • the groove top hole includes arc edges at both ends and straight edges on both sides, and the groove wall is inclined along the groove top hole to connect the groove top hole with The bottom holes of the groove are connected.
  • the inclination angle of the surface of the inclined groove with respect to the upper surface of the top plate is a first angle
  • the camera module includes a camera
  • the camera The imaging angle perpendicular to the upper surface of the top plate is the second angle
  • the first angle is less than or equal to one-half of the second angle
  • the camera module further includes a flash, and the waist-shaped groove corresponding to the flash is provided with light-shielding components.
  • the waist-shaped groove corresponding to the flash is larger than the waist-shaped groove corresponding to the camera.
  • fastening screw holes are provided on both sides of the inclined groove, and the fastening screw holes are used to fix the camera module.
  • the first side plate and the second side plate are symmetrical to each other, and the first side plate and the second side plate are both provided with at least four screw connections
  • the screw plate on the first side plate is perpendicular to the first side plate
  • the screw plate on the second side plate is perpendicular to the second side plate.
  • the shading component is shading cotton.
  • embodiments of the present disclosure provide a camera, which includes the above-mentioned camera adapter.
  • embodiments of the present disclosure provide a smart door lock, which includes the above-mentioned camera.
  • the camera adapter frame provided by the embodiment of the present disclosure includes a top plate, and a first side plate and a second side plate arranged at both ends of the top plate; the top plate is provided with a waist-shaped groove, and the lower surface of the top plate is provided with Inclined slot, the assembly surface enclosed by the lower surface of the top plate and the surface of the inclined slot is matched with the installation surface of the camera module.
  • the camera can further use the waist-shaped groove to guide light after being inclined at a certain angle , to realize face recognition in a larger range; the camera adapter provided by the embodiments of the present disclosure effectively eliminates the problem of too small range of the camera face recognition, thereby providing convenience for users.
  • Fig. 1 is a schematic structural diagram of a camera adapter provided by the present disclosure
  • Figure 2 is a top view of a camera adapter provided by the present disclosure
  • Figure 3 is a schematic diagram of the structure of the camera module
  • FIG. 4 is a schematic diagram of assembling a camera adapter and camera module provided by the present disclosure
  • FIG. 5 is a first principle diagram of face recognition through a camera adapter provided by the present disclosure
  • Fig. 6 is a second schematic diagram of face recognition through a camera adapter provided by the present disclosure.
  • FIG. 1 is a schematic structural diagram of a camera adapter provided by the present disclosure
  • FIG. 2 is a top view of a camera adapter provided by the present disclosure
  • FIG. 3 is a structure of a camera module Schematic.
  • the camera adapter frame in the present disclosure is used to place the camera module 400, the camera module 400 includes a camera 410 and a flash 420, wherein the camera adapter frame includes: a top board 100, and two sets on the top board 100 The first side plate 200 and the second side plate 300 at the end; the first side plate 200 and the second side plate 300 are respectively perpendicular to the top plate 100, the top plate 100 is provided with a waist-shaped groove 110, the top plate The lower surface of 100 is provided with an inclined groove 120, and the assembly surface enclosed by the lower surface 101 of the top plate 100 and the surface of the inclined groove 120 matches the installation surface 401 of the camera module 400, so The inclined slot 120 is used to place at least a part of the camera module 400, and the camera 410 and the flash 420 are correspondingly arranged in the waist-shaped groove 110.
  • the waist-shaped groove 110 is a through hole, which penetrates from the upper surface of the top plate 100 to the lower surface of the top plate 100.
  • the waist-shaped groove 110 includes a groove top hole 111 opened on the upper surface of the top plate 100, a groove bottom hole 112 opened on the surface of the inclined groove 120, and a groove top hole 111 connected to the groove bottom hole.
  • the groove top hole 111 is larger than the groove bottom hole 112, the groove top hole 111 is a waist-shaped hole, the groove bottom hole 112 is a round hole, and the groove top hole 111
  • the axis of the center of the groove is parallel to the axis of the center of the groove bottom hole 112, and the two are not on the same axis, and the groove wall 113 is an inclined surface.
  • the slot top hole 111 includes arc edges at both ends and straight edges on both sides.
  • the slot wall 113 is inclined along the slot top hole 111 to connect the slot top hole 111 and the slot bottom hole 112.
  • the groove wall 113 connecting the two is inclined, which is more conducive to the introduction of external light.
  • the camera arranged in the waist groove can take more pictures.
  • the flash set in the waist-shaped groove can also fully emit light.
  • the overall material of the camera adapter can be PC (polycarbonate).
  • FIG. 4 is a schematic diagram of assembling a camera adapter and a camera module provided by the present disclosure.
  • the camera adapter frame can be used to be placed in a smart door lock, wherein the lower surface of the top plate 100 of the camera adapter frame is provided with a sloped card slot 120, and the sloped card slot 120 is installed on the camera adapter frame. At least a part of the camera module 400 conforms to the shape.
  • a camera 410 and a flash 420 are provided on the camera module 400.
  • the camera module 400 may include two cameras 410 and a flash 420.
  • the flash 420 is located between the two cameras 410 and is on the same line as the two cameras 410.
  • the lower surface 101 of the top plate matches the assembly surface enclosed by the surface of the inclined groove 120, and at least a part of the camera module can be arranged in the inclined groove 120, so that the entire camera module 400 is inclined at a certain angle , Wherein the camera module 400 can be screwed or adhesively fixed in the inclined groove.
  • both sides of the inclined groove 120 are provided with fastening screw holes 121, and the fastening screw holes are used to fix the camera module 400, wherein, on both sides of the camera module 400
  • the corresponding position is also provided with a screw hole (not shown in the figure), which communicates with the fastening screw hole, and is used for screwing and fixing the camera module 400 in the inclined groove 120.
  • three waist-shaped grooves 110 are correspondingly provided on the surface of the top plate 100.
  • the inclined grooves are inclined to a certain degree.
  • the angled camera 410 can use the inclined groove wall 113 of the waist-shaped groove 110 to guide the entrance of external light, and finally make the recognition range of the camera 410 larger.
  • the flashlight after being inclined by the inclined slot can fully utilize the inclined groove wall 113 The light is diverged, so that the area captured by the camera 410 is clearer.
  • the specific number of the waist-shaped groove 110 should correspond to the number of the camera 410 and the flash 420 on the camera module 400 in an actual situation.
  • FIG. 5 is a first principle diagram of face recognition through a camera adapter provided by the present disclosure
  • FIG. 6 is a face recognition through a camera adapter provided by the present disclosure
  • the second schematic diagram during recognition The inclination angle of the surface of the inclined groove 120 with respect to the upper surface of the top plate 100 is a first angle A
  • the imaging angle of the camera 410 perpendicular to the upper surface of the top plate 100 is a second angle D
  • the angle A is less than or equal to one-half of the second angle D, that is, A ⁇ D/2
  • the first angle A is also the inclination angle of the camera module 400 placed in the inclined groove 120. It should be understood that the size of the first angle A should be adjusted according to actual conditions, so the adjustment range should satisfy A ⁇ D/2.
  • the height value recognized by the camera is Lmax
  • the height value recognized by the camera 410 is Lmin.
  • the Lmax 1+0.5*TAN(D/2+A) (unit: meter);
  • the Lmin 1-0.5*TAN(D/2-A) (unit: meter);
  • the installed camera module is tilted upward at the first angle A through the camera adapter frame, thereby adjusting the coverage area of the imaging angle of the camera module, increasing the height value of face recognition, and further combining with the waist-shaped groove guide The role of light, thereby covering a larger face recognition range.
  • the camera model of the smart door lock is adopted.
  • a flash 420 is added to the group 400 to fill light to improve the success rate of face recognition. Therefore, the camera adapter provided by the present disclosure is also provided with a waist-shaped groove 110 matching the flash 420. By setting the flash in the waist-shaped groove, the flash can fully diverge the light, but the light emitted by the flash 420 when filling light is easily reflected to the camera 410, which also reduces the success rate of face recognition of the camera 410.
  • a light-shielding component 500 is provided around the waist-shaped groove 110 corresponding to the flash 420.
  • the flash A layer of shading member 500 is provided around the surface of the waist groove 110 corresponding to 420, which can effectively block and absorb the light emitted by the flash 420, and prevent the camera 410 from being affected by the flash 420, so that the camera 410 performs face recognition. Can clearly identify the area taken.
  • the shading member 500 is shading cotton, and the shading cotton is rectangularly arranged around the waist-shaped groove 110 corresponding to the flashlight 420. It should be understood that the shading cotton can also be set in other shapes, which should be specifically based on actual conditions. set up.
  • the light-shielding cotton can be made of EPE (polyethylene foamed cotton).
  • the size of the waist-shaped groove corresponding to the flash 420 may be set to be larger than the size of the waist-shaped groove corresponding to the camera.
  • the top plate 100 is perpendicular to the first side plate 200 and the second side plate 300, and the first side plate 200 and the second side plate 300 are parallel to each other, and the first side plate 200 and the second side plate 300 are parallel to each other.
  • the board 300 has a symmetrical structure.
  • the first side plate 200 and the second side plate 300 are respectively provided with at least four screw connection plates 600, and the screw connection plates 600 on the first side plate 200 are respectively provided on both sides of the first side plate 200, and they are both It is perpendicular to the first side plate 200, and the screw plates 600 on the second side plate 300 are respectively arranged on both sides of the second side plate 300 and are perpendicular to the second side plate 300.
  • Each screw plate 600 is provided with screw holes for fixing with external components.
  • the screw holes on the first side plate 200 and the second side plate 300 can be tightly connected to other parts in the smart door lock .
  • the entire camera module 400 is inclined at a certain angle (the first angle A), and further, a plurality of correspondingly arranged on the top plate 100
  • the waist-shaped groove 110 by fixing the camera 410 and the flash 420 in the camera module 400 in the corresponding waist-shaped groove 110, the camera 410 can use the inclined arc-shaped groove wall 113 of the waist-shaped groove 110 Guide the entry of external light, so that the camera uses the waist-shaped groove to guide the light after tilting a certain angle to realize face recognition in a larger range.
  • the light emitted by the flash 420 can be effectively isolated, and the camera 410 is prevented from being affected by the flash 420, so that the camera 410 is in progress. Face recognition can clearly identify the captured area.
  • the present disclosure also discloses a camera, which includes the above-mentioned camera adapter. It should be understood that, of course, the camera also includes other structures, which are all the prior art, so they will not be repeated here.
  • the present disclosure also discloses an intelligent door lock, which includes the above-mentioned camera. It should be understood that, of course, the smart door lock also includes other structures, which are all the prior art, so they will not be repeated here.
  • the present disclosure provides a camera adapter frame, a camera, and a smart door lock
  • the camera adapter frame includes a top plate, and a first side plate and a second side plate provided at both ends of the top plate
  • the top plate is provided with a waist-shaped groove
  • the lower surface of the top plate is provided with an inclined groove
  • the lower surface of the top plate and the surface of the inclined groove surround the assembly surface and the camera module
  • the mounting surface is suitable.
  • the camera can further use the waist-shaped groove to guide light after being inclined at a certain angle , to realize face recognition in a larger range; the camera adapter provided by the embodiments of the present disclosure effectively eliminates the problem of too small range of the camera face recognition, thereby providing convenience for users.

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

Abstract

L'invention concerne un support d'adaptateur de caméra, une caméra (410) et un verrou de porte intelligent. Le support d'adaptateur de caméra comprend une plaque supérieure (100), une première plaque latérale (200) et une seconde plaque latérale (300) disposées au niveau des deux extrémités de la plaque supérieure (100) ; des rainures en forme de rein (110) sont formées dans la plaque supérieure (100) ; une rainure de serrage en biseau (120) est formée dans une surface inférieure (101) de la plaque supérieure (100) ; une surface de montage enfermée par la surface inférieure de la plaque supérieure (100) et la surface de la rainure de serrage en biseau (120) correspond à une surface de montage (401) d'un module de caméra (400). Au moins une partie du module de caméra (400) est disposée dans la rainure de serrage en biseau (120) sur la surface inférieure de la plaque supérieure (100), et la caméra (410) dans le module de caméra (400) est disposée dans les rainures en forme de rein (110), de telle sorte que la caméra (410) utilise en outre les rainures en forme de rein (110) pour guider la lumière après avoir été inclinée d'un certain angle.
PCT/CN2021/073938 2020-04-15 2021-01-27 Support d'adaptateur de caméra, caméra et verrou de porte intelligent WO2021208562A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202020561759.8U CN212562810U (zh) 2020-04-15 2020-04-15 一种摄像头转接架、摄像头及智能门锁
CN202020561759.8 2020-04-15

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WO2021208562A1 true WO2021208562A1 (fr) 2021-10-21

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101615243A (zh) * 2008-06-25 2009-12-30 汉王科技股份有限公司 一种斜坡式图像获取装置及人脸识别系统
CN202422246U (zh) * 2011-12-26 2012-09-05 汉王科技股份有限公司 一种人脸识别门锁装置
CN204554277U (zh) * 2015-04-10 2015-08-12 杭州惠光科技有限公司 基于多媒体智能交互式自助设备的摄像头前架组件
CN207749931U (zh) * 2017-07-07 2018-08-21 东莞市友联奕诺生物科技有限公司 一种人脸、指纹识别电子锁
CN209118306U (zh) * 2018-12-29 2019-07-16 广州市三棍通电子设备有限公司 一种人脸识别一体机的一体式主板支架
WO2019164213A1 (fr) * 2018-02-23 2019-08-29 주식회사 온페이스 Dispositif de verrouillage de porte à reconnaissance faciale précise et rapide
CN110191208A (zh) * 2019-05-14 2019-08-30 武汉华星光电半导体显示技术有限公司 移动终端
CN209517293U (zh) * 2018-11-20 2019-10-18 深圳东沅科技有限公司 一种用于智能快递柜的广角人脸识别摄像装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101615243A (zh) * 2008-06-25 2009-12-30 汉王科技股份有限公司 一种斜坡式图像获取装置及人脸识别系统
CN202422246U (zh) * 2011-12-26 2012-09-05 汉王科技股份有限公司 一种人脸识别门锁装置
CN204554277U (zh) * 2015-04-10 2015-08-12 杭州惠光科技有限公司 基于多媒体智能交互式自助设备的摄像头前架组件
CN207749931U (zh) * 2017-07-07 2018-08-21 东莞市友联奕诺生物科技有限公司 一种人脸、指纹识别电子锁
WO2019164213A1 (fr) * 2018-02-23 2019-08-29 주식회사 온페이스 Dispositif de verrouillage de porte à reconnaissance faciale précise et rapide
CN209517293U (zh) * 2018-11-20 2019-10-18 深圳东沅科技有限公司 一种用于智能快递柜的广角人脸识别摄像装置
CN209118306U (zh) * 2018-12-29 2019-07-16 广州市三棍通电子设备有限公司 一种人脸识别一体机的一体式主板支架
CN110191208A (zh) * 2019-05-14 2019-08-30 武汉华星光电半导体显示技术有限公司 移动终端

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