WO2017028670A1 - 一种共用补光灯和对准灯的二维码扫描器 - Google Patents

一种共用补光灯和对准灯的二维码扫描器 Download PDF

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Publication number
WO2017028670A1
WO2017028670A1 PCT/CN2016/091976 CN2016091976W WO2017028670A1 WO 2017028670 A1 WO2017028670 A1 WO 2017028670A1 CN 2016091976 W CN2016091976 W CN 2016091976W WO 2017028670 A1 WO2017028670 A1 WO 2017028670A1
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light
camera
emitting diode
lamp
dimensional code
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PCT/CN2016/091976
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English (en)
French (fr)
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蒋锦扬
叶芳耀
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福建联迪商用设备有限公司
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Publication of WO2017028670A1 publication Critical patent/WO2017028670A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation

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  • Two-dimensional code scanner for sharing fill light and alignment lamp
  • the present invention relates to the field of two-dimensional code scanners, and in particular, to a two-dimensional code scanner that shares a fill light and an alignment lamp.
  • a fill light or a aligning light is installed on the side of the camera.
  • the function of the fill light is that the camera does not have sufficient illumination, and the alignment light is fast to scan the code.
  • the role of alignment can improve the user's scanning experience. There is currently no sharing of fill and alignment lights.
  • the Chinese invention patent of CN103679113A discloses a method and system for scanning a two-dimensional code ⁇ positioning focus of an OTP device, and a positioning light generating device for generating a positioning spot is provided in the OTP device, and the OTP device is activated.
  • the positioning light generating device generates a positioning spot
  • the light source generated by the positioning light generating device generates the positioning spot through a light guiding column and a corresponding light shielding or light transmitting plate, wherein the light source is a light emitting diode, and the positioning is performed.
  • the shape of the spot is a rectangular frame.
  • the positioning spot of the rectangular frame is generated by the light-emitting diode through the light-shield or the light-shielding plate to play the role of positioning, which can improve the user's scanning code experience, but the positioning spot obtained in this way is outside the boundary of the scanning area of the camera, and the scanning of the camera cannot be performed.
  • the area acts as a fill light and affects the camera's photo effect.
  • the technical problem to be solved by the present invention is to provide a two-dimensional code scanner that has both a fill light function and an alignment function.
  • a two-dimensional code scanner for sharing a fill light and an alignment lamp comprising a camera, a light emitting diode, and a lamp cover, wherein the light emitting diode is located in the lamp cover, and a top of the lamp cover is provided with a rectangular through hole;
  • the light emitting diode is located at a side of the camera, and an illumination range of the light emitting diode is within a range of a shooting area of the camera.
  • the illumination range of the light-emitting diode is within the range of the shooting area of the camera, and the light emitted by the light-emitting diode is photographed by the camera, which can serve as a complementary light or as a positioning device.
  • the function of the same can save cost;
  • the light-emitting shape of the light-emitting diode is determined by the shape of the through-hole at the bottom of the lampshade, and the structure is reasonable.
  • FIG. 1 is a schematic diagram of an optical path of a light emitting diode according to an embodiment of the present invention
  • FIG. 2 is a three-dimensional schematic view of a photographing area of a camera and an illumination range of a light emitting diode according to an embodiment of the present invention
  • FIG. 3 is a two-dimensional schematic diagram of a photographing area of a camera and an illumination range of a light emitting diode according to an embodiment of the present invention
  • FIG. 4 is a schematic structural view of a camera cover or a lamp cover according to an embodiment of the present invention.
  • a light-emitting diode is mounted on the side of the camera, and the illumination range of the LED falls within the shooting area of the camera to play the dual role of positioning and filling.
  • FIG. 1 to FIG. 4 a specific embodiment of the present invention is:
  • a two-dimensional code scanner sharing a fill light and an alignment lamp comprising a camera 1, a light-emitting diode 3, and a lamp cover 4, the light-emitting diode 3 being located in the lamp cover 4, the top of the lamp cover 4 A rectangular through hole 5 is provided; the light emitting diode 3 is located on the side of the camera 1 , and the illumination range of the light emitting diode 3 is within the range of the imaging area of the camera 1 .
  • a camera cover 2 is further included.
  • the camera 1 is located in the camera cover 2, and the top cover of the camera cover 2 is provided with a rectangular through hole 5.
  • the range of the imaging area of the camera 1 is defined by the camera cover 2, which is designed to accommodate the scanning area of the two-dimensional code, and is designed to be reasonable.
  • a processor is further included, and the camera 1 and the LED 3 are connected to the processor.
  • both the camera 1 and the LED 3 are connected to the processor, and the closing of the camera 1 and the closing of the LED 3 are controlled by the processor, and the control system is designed reasonably.
  • a light-emitting diode dimming control circuit is further included, and the light-emitting diode dimming control circuit is connected to the light-emitting diode 3.
  • the illumination brightness of the LED 3 is adjusted by the LED dimming control circuit, and the different illumination brightness of the LED 3 is adapted to the needs of different environments in which the QR code is located, for example, when two-dimensional
  • the code is on the screen with brightness.
  • the camera 1 scans the QR code without the need for a fill light. It can even fill the light.
  • the QR code is on the paper, the camera 1 needs to make up the QR code.
  • the processor further includes a processor, and the LED dimming control circuit is connected to the processor.
  • the light-emitting diode 3 is connected to the light-emitting diode dimming control circuit, and the camera 1 and the light-emitting diode dimming control circuit are connected to the processor, and the control system is designed reasonably.
  • Embodiment 1 of the present invention is:
  • a two-dimensional code scanner for sharing a fill light and an alignment lamp comprising a camera 1, a light-emitting diode 3, a lamp cover 4, a camera cover 2, and a processor, wherein the light-emitting diode 3 is located in the lamp cover 4, a rectangular through hole 5 is disposed in the top of the lampshade 4, the camera 1 is located in the camera cover 2, and a rectangular through hole 5 is disposed on the top of the camera cover 2; the LED 3 is located in the camera 1 On the side, the illumination range of the LED 3 is within the imaging area of the camera 1; the camera 1 and the LED 3 are connected to the processor.
  • the shooting angle of the camera 1 is ⁇
  • the illumination angle of the LED 3 is ⁇
  • the mounting distance of the camera 1 and the LED 3 is d
  • the illumination range of the LED 3 is completely within the range of the imaging area of the camera 1.
  • the starting water level is a
  • the horizontal plane where the farthest shooting distance of the camera 1 that can recognize the two-dimensional code is b
  • the shooting area of the camera 1 between the horizontal plane a and the horizontal plane b is the scanning range of the two-dimensional code scanner.
  • a two-dimensional code scanner sharing a fill light and an alignment lamp comprising a camera 1, a light-emitting diode 3, a lamp cover 4, a camera cover 2, a light-emitting diode dimming control circuit, and a processor, the light-emitting diode 3
  • the top of the cover 4 is provided with a rectangular through hole 5, the camera 1 is located in the camera cover 2, and the top of the camera cover 2 is provided with a rectangular through hole 5;
  • the diode 3 is located at the side of the camera 1 , and the illumination range of the LED 3 is within the imaging area of the camera 1 ;
  • the LED dimming control circuit is connected to the LED 3 , and the camera 1 and the LED The dimming control circuit is coupled to the processor.
  • the two-dimensional code scanner of the shared fill light and the alignment lamp provided by the present invention mounts a light-emitting diode 3 on the side of the camera 1, and the shooting area of the camera 1 is covered by the top of the camera cover 2.
  • the rectangular through hole 5 determines that the illumination range of the light emitting diode 3 is determined by the rectangular through hole 5 at the top of the lamp cover 4, and the illumination range of the light emitting diode 3 is within the shooting area of the camera 1, and the brightness of the light emitting diode 3 is adjusted by the light emitting diode.
  • the light control circuit controls the adjustment, the brightness of the camera 1 and the brightness and the closing of the light-emitting diode 3 are controlled by the processor, and the light-emitting diode 3 can function as a supplement light or a positioning function, and the system structure is reasonable. , low cost.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)

Abstract

一种共用补光灯和对准灯的二维码扫描器，包括摄像头、发光二极管、灯罩，所述发光二极管位于所述灯罩内，所述灯罩的顶部开设有矩形通孔；所述发光二极管位于所述摄像头侧边，所述发光二极管的光照范围在所述摄像头的拍摄区域范围内。所述发光二极管的光对摄像头拍照既可以起到定位的作用，也可以起到补光的作用。

Description

一种共用补光灯和对准灯的二维码扫描器
技术领域
[0001] 本发明涉及二维码扫描器技术领域， 特别涉及一种共用补光灯和对准灯的二维 码扫描器。
背景技术
[0002] 目前的二维码扫描器中摄像头侧边会安装一个补光灯或者安装一个对准灯， 补 光灯的作用是摄像头拍照吋的光照不足， 对准灯是起到扫码吋快速对准的作用 ， 可以提高用户的扫码体验。 目前还没出现补光灯和对准灯共用的情况。
[0003] 公幵号为 CN103679113A的中国发明专利公幵了一种 OTP设备扫描二维码吋 定位聚焦的方法及系统， 在 OTP设备中设有用于产生定位光斑的定位光产生装置 ， 启动 OTP设备中定位光产生装置产生定位光斑， 所述的定位光产生装置产生的 光源通过导光柱及相应的遮光物或透光板产生所述的定位光斑， 所述的光源为 发光二极管， 所述的定位光斑的形状为矩形框。 通过发光二极管通过遮光物或 者遮光板产生矩形框的定位光斑起到定位的作用， 可以提升用户的扫码体验， 但这种方式得到的定位光斑在摄像头扫描区域的外边界， 不能对摄像头的扫描 区域起到补光的效果， 且会影响摄像头的拍照效果。
技术问题
[0004] 本发明所要解决的技术问题是： 提供一种既具有补光功能， 又具有对准功能的 共用补光灯和对准灯的二维码扫描器。
问题的解决方案
技术解决方案
[0005] 为了解决上述技术问题， 本发明采用的技术方案为：
[0006] 一种共用补光灯和对准灯的二维码扫描器， 包括摄像头、 发光二极管、 灯罩， 所述发光二极管位于所述灯罩内， 所述灯罩的顶部幵设有矩形通孔； 所述发光 二极管位于所述摄像头侧边， 所述发光二极管的光照范围在所述摄像头的拍摄 区域范围内。 发明的有益效果
有益效果
[0007] 本发明的有益效果在于： 发光二极管的光照范围在所述摄像头的拍摄区域范围 内， 则发光二极管发出的光在摄像头拍照吋， 既可以起到补光的作用， 也可以 起到定位的作用， 同吋可节约成本； 所述发光二极管的出光形状由灯罩底部的 通孔形状决定， 结构合理。
对附图的简要说明
附图说明
[0008] 图 1为本发明实施例的发光二极管的光路示意图；
[0009] 图 2为本发明实施例的摄像头的拍摄区域和发光二极管的光照范围的三维示意 图；
[0010] 图 3为本发明实施例的摄像头的拍摄区域和发光二极管的光照范围的二维示意 图；
[0011] 图 4为本发明实施例的摄像头罩或者灯罩的结构示意图。
[0012] 标号说明：
[0013] 1、 摄像头； 2、 摄像头罩； 3、 发光二极管； 4、 灯罩； 5、 矩形通孔。
具体实施方式
[0014] 本发明最关键的构思在于： 在摄像头的侧边安装一发光二极管， 发光二极管的 光照范围落在摄像头的拍摄区域范围内， 来起到定位和补光双重作用。
[0015] 请参照图 1至图 4， 本发明的具体实施方式为：
[0016] 一种共用补光灯和对准灯的二维码扫描器， 包括摄像头 1、 发光二极管 3、 灯罩 4， 所述发光二极管 3位于所述灯罩 4内， 所述灯罩 4的顶部幵设有矩形通孔 5; 所 述发光二极管 3位于所述摄像头 1侧边， 所述发光二极管 3的光照范围在所述摄像 头 1的拍摄区域范围内。
[0017] 进一步的， 还包括摄像头罩 2， 所述摄像头 1位于所述摄像头罩 2内， 所述摄 像头罩 2顶部幵设有矩形通孔 5。 [0018] 由上述描述可知， 通过摄像头罩 2来限定摄像头 1的拍摄区域范围， 所述矩形通 孔 5的设计是为了适应二维码的扫描区域， 设计合理。
[0019] 进一步的， 还包括处理器， 所述摄像头 1、 发光二极管 3与所述处理器连接。
[0020] 由上述描述可知， 摄像头 1与发光二极管 3均与处理器连接， 则摄像头 1的幵闭 和发光二极管 3的幵闭均由处理器控制， 控制系统设计合理。
[0021] 进一步的， 还包括发光二极管调光控制电路， 所述发光二极管调光控制电路与 发光二极管 3连接。
[0022] 由上述描述可知， 通过发光二极管调光控制电路来调节发光二极管 3的光照亮 度， 通过发光二极管 3的不同的光照亮度来适应二维码所处不同环境的需要， 例 如， 当二维码处于有亮度的屏幕上吋， 摄像头 1扫描二维码不需要很到的补光灯 ， 甚至可以不幵补光灯； 当二维码处于纸质上吋， 摄像头 1扫描二维码需要补光 灯， 而且周围环境光照越弱， 补光灯的亮度需求越高， 控制系统设计合理。
[0023] 进一步的， 还包括处理器， 所述摄像头 1、 发光二极管调光控制电路与处理器 连接。
[0024] 由上述描述可知， 发光二极管 3与发光二极管调光控制电路连接， 摄像头 1、 发 光二极管调光控制电路与处理器连接， 控制系统设计合理。
[0025]
[0026] 请参照图 1至图 4， 本发明的实施例一为：
[0027] 一种共用补光灯和对准灯的二维码扫描器， 包括摄像头 1、 发光二极管 3、 灯罩 4、 摄像头罩 2、 处理器， 所述发光二极管 3位于所述灯罩 4内， 所述灯罩 4的顶部 幵设有矩形通孔 5， 所述摄像头 1位于所述摄像头罩 2内， 所述摄像头罩 2顶部幵 设有矩形通孔 5 ; 所述发光二极管 3位于所述摄像头 1侧边， 所述发光二极管 3的 光照范围在所述摄像头 1的拍摄区域范围内； 所述摄像头 1、 发光二极管 3与所述 处理器连接。
[0028] 假设摄像头 1的拍摄角度为 α， 发光二极管 3的光照角度为 β， 摄像头 1与发光二 极管 3的安装距离为 d， 发光二极管 3的光照范围完全在摄像头 1的拍摄区域范围 内的起始水平面为 a， 可识别二维码的摄像头 1最远拍摄距离所在的水平面为 b， 贝 1J水平面 a与水平面 b之间的摄像头 1的拍摄区域即为二维码扫描器的扫描范围。 [0029] 请参照图 1至图 4， 本发明的实施例二为：
[0030] 一种共用补光灯和对准灯的二维码扫描器， 包括摄像头 1、 发光二极管 3、 灯罩 4、 摄像头罩 2、 发光二极管调光控制电路、 处理器， 所述发光二极管 3位于所述 灯罩 4内， 所述灯罩 4的顶部幵设有矩形通孔 5， 所述摄像头 1位于所述摄像头罩 2 内， 所述摄像头罩 2顶部幵设有矩形通孔 5; 所述发光二极管 3位于所述摄像头 1 侧边， 所述发光二极管 3的光照范围在所述摄像头 1的拍摄区域范围内； 所述发 光二极管调光控制电路与发光二极管 3连接， 所述摄像头 1、 发光二极管调光控 制电路与处理器连接。
[0031]
[0032] 综上所述， 本发明提供的共用补光灯和对准灯的二维码扫描器， 在摄像头 1的 侧边安装一发光二极管 3， 摄像头 1的拍摄区域范围由摄像头罩 2顶部的矩形通孔 5决定， 发光二极管 3的光照范围由灯罩 4顶部的矩形通孔 5决定， 发光二极管 3的 光照范围在所述摄像头 1的拍摄区域范围内， 发光二极管 3的亮度由发光二极管 调光控制电路控制调节， 摄像头 1的幵闭、 发光二极管 3的亮度及幵闭由处理器 控制调节， 发光二极管 3既可以起到补光的作用， 也可以起到定位的作用， 且系 统结构合理， 成本低。

Claims

权利要求书
一种共用补光灯和对准灯的二维码扫描器， 包括摄像头， 其特征在于 ， 还包括发光二极管、 灯罩， 所述发光二极管位于所述灯罩内， 所述 灯罩的顶部幵设有矩形通孔； 所述发光二极管位于所述摄像头侧边， 所述发光二极管的光照范围在所述摄像头的拍摄区域范围内。
根据权利要求 1所述的共用补光灯和对准灯的二维码扫描器， 其特征 在于， 还包括摄像头罩， 所述摄像头位于所述摄像头罩内， 所述摄像 头罩顶部幵设有矩形通孔。
根据权利要求 1所述的共用补光灯和对准灯的二维码扫描器， 其特征 在于， 还包括处理器， 所述摄像头、 发光二极管与所述处理器连接。 根据权利要求 1所述的共用补光灯和对准灯的二维码扫描器， 其特征 在于， 还包括发光二极管调光控制电路， 所述发光二极管调光控制电 路与发光二极管连接。
根据权利要求 4所述的共用补光灯和对准灯的二维码扫描器， 其特征 在于， 还包括处理器， 所述摄像头、 发光二极管调光控制电路与处理
PCT/CN2016/091976 2015-08-14 2016-07-28 一种共用补光灯和对准灯的二维码扫描器 WO2017028670A1 (zh)

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CN105138940A (zh) * 2015-08-14 2015-12-09 福建联迪商用设备有限公司 一种二维码扫描补光方法及系统
CN105005754B (zh) * 2015-08-14 2018-05-29 福建联迪商用设备有限公司 一种共用补光灯和对准灯的二维码扫描器
CN105654633A (zh) * 2015-12-30 2016-06-08 福建联迪商用设备有限公司 Pos扫码支付方法、系统及装置
CN109815766B (zh) * 2019-01-25 2022-05-03 深圳市优博讯科技股份有限公司 一种条码扫描方法、装置、移动终端及可读存储介质

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