WO2021208114A1 - 一种保护视力的电子显示装置 - Google Patents

一种保护视力的电子显示装置 Download PDF

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Publication number
WO2021208114A1
WO2021208114A1 PCT/CN2020/085683 CN2020085683W WO2021208114A1 WO 2021208114 A1 WO2021208114 A1 WO 2021208114A1 CN 2020085683 W CN2020085683 W CN 2020085683W WO 2021208114 A1 WO2021208114 A1 WO 2021208114A1
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unit
main control
electronic display
alarm
control unit
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PCT/CN2020/085683
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English (en)
French (fr)
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陈勇
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深圳市融纳海川科技有限公司
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Publication of WO2021208114A1 publication Critical patent/WO2021208114A1/zh

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

Definitions

  • the utility model relates to an electronic device, in particular to an electronic display device for protecting eyesight.
  • Electronic display devices generally include handheld electronic display products.
  • the electronic display products are related to electronic display products based on electrical energy, mainly including: e-books, smart phones, tablet computers, e-cards, etc.
  • the common technical means adopted for the display components of electronic display devices are: cathode ray tube (CRT), liquid crystal, electroluminescence, light emitting diode, plasma display, etc.
  • CTR cathode ray tube
  • liquid crystal liquid crystal
  • electroluminescence light emitting diode
  • plasma display etc.
  • the display effect is related to many factors, such as the size, resolution, afterglow time of the display screen, the shape, color, stroke width of the display symbol, and the brightness and contrast of the displayed image.
  • the present invention provides an electronic display device that protects eyesight.
  • the utility model discloses an electronic display device for protecting eyesight, comprising: a casing, a power supply unit, a main control unit, and a display unit.
  • the units are connected with the main control unit, the display unit of the display unit is arranged on the casing, and at least one ultrasonic distance measuring device connected to the main control unit is arranged on the casing.
  • Unit and alarm unit The ultrasonic distance measuring unit is used to measure the distance value of the user from the display screen, and the alarm unit is used to report the distance value to the The user issues an alarm.
  • the display unit, the ultrasonic distance measuring unit and the alarm unit are connected to the main control unit through a serial port or an SPI interface.
  • two ultrasonic distance measuring units are provided on the casing.
  • the alarm unit includes a buzzer and/or a flashable LED light strip.
  • the electronic display device is an electronic card.
  • main control unit is also connected to a clock unit, and the clock unit is used for when the distance value is lower than the set value and the duration is higher than the preset time, the alarm unit sends the The mentioned user issues an alarm.
  • the electronic display device for protecting eyesight of the present invention can detect and remind to protect eyesight, which is more beneficial to the user's eye health.
  • FIG. 1 is a schematic structural diagram of an electronic device for protecting eyesight according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the internal circuit module in FIG. 1;
  • an electronic display device for protecting eyesight includes: a housing 10, a power supply unit (not shown in the figure), a main control unit 20, a display unit 30, and a main control
  • the unit 20 is arranged in the housing 10, the display unit 30 and the power supply unit are both connected to the main control unit 20, the housing 10 is provided with a display screen of the display unit 30, and at least one is connected to the main control unit 20 on the housing 10
  • the ultrasonic distance measuring unit 40 is used to measure the distance value of the user from the display screen, and the alarm unit 50 is used to send an alarm to the user when the distance value is lower than the set value.
  • Ultrasound has strong directivity, slow energy consumption, low technical cost, high precision, simple operation, stable and reliable work, and is suitable for short-distance measurement and positioning.
  • the internal main control chip 20 reads the parameters fed back from the ultrasonic module by means of pulse width modulation capture, after processing, displays it and alerts by the buzzer of the sounder or the flashing LED light alarm;
  • the power supply unit can be charged or externally supplied
  • the display unit 30, the ultrasonic distance measuring unit 40, and the alarm unit 50 are connected to the main control unit 20 through a serial port or an SPI interface.
  • Two ultrasonic distance measuring units 40 are provided on the housing 10.
  • the single ultrasonic distance measuring unit 40 may include integrated modules that emit and receive ultrasonic waves. If two ultrasonic distance measurement units 40 are provided on the housing, one of the ultrasonic distance measurement units 40 can be set as an ultrasonic transmitter module, and the other ultrasonic distance measurement unit 40 can be set as an ultrasonic transmitter module.
  • the distance measuring unit 40 is an ultrasonic receiving module.
  • the alarm unit 50 includes a buzzer and/or a flashable LED light strip.
  • the electronic display device is an electronic card.
  • the main control unit 20 is also connected to a clock unit 60, and the clock unit 60 is used for the alarm unit 50 to send an alarm to the user when the distance value is lower than the set value for a preset period of time.
  • the display unit 30, the ultrasonic distance measuring unit 40, the alarm unit 50, and the clock unit 60 are all connected to the main control unit 20 through a serial port or an SPI interface.
  • the product model of the display unit is: LCM578322;
  • the product model of the ultrasonic ranging unit is: HC-SR04;
  • the product model of the alarm unit is: YS-MBZ9055DYB03;
  • the product model of the clock unit is: RCC2361-B;
  • the product model of the main control unit is nRF52832.
  • the working process of the electronic display device of the present invention is (take the electronic card in Figure 1 as an example):
  • the electronic card measures the distance through two ultrasonic test heads.
  • the upper part is equipped with an ultrasonic distance measuring unit for emitting ultrasonic waves (which can be sent through a horn)
  • the lower part is equipped with an ultrasonic distance measuring unit for receiving ultrasonic waves (which can be received by a microphone)
  • the middle part is electronic. Display screen, and flashable LED lamp beads or light strips can be set on the shell to give warning.
  • the upper ultrasonic distance measuring unit emits ultrasonic waves.
  • the reflected ultrasonic waves are blocked by the lower part.
  • the ultrasonic distance measuring unit receives it, and the main control chip calculates the time difference between the emission and arrival of the ultrasonic wave, so as to calculate the distance between the user and the device. Once it is close to a certain distance, it will warn through the LED lamp beads or lamp beads, and display the warning on the display screen. information.
  • the technical solution can be used for short-distance distance measurement, and can also be used for measuring the sitting posture of students, judging the distance between the students and the desktop, and protecting the eyesight of the students.
  • the electronic display device for protecting eyesight of the present invention can detect and remind to protect eyesight, which is more conducive to the eye health of the hand-held person.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

一种保护视力的电子显示装置，包括：壳体（10）、供电单元、主控单元、显示单元（30），所述的主控单元设置于所述的壳体（10）内，所述的显示单元（30）、供电单元均与所述的主控单元相连接，所述的壳体（10）上设置所述的显示单元（30）的显示屏，所述的壳体（10）上设置至少一个与所述的主控单元相连接的超声波测距单元（40）及报警单元，所述的超声波测距单元（40）用于测量用户距离所述的显示屏的距离数值，所述的报警单元用于当所述的距离数值低于设定值时，向所述的用户发出报警。所述保护视力的电子显示装置可检测及提醒保护视力，更有利于使用者的眼部健康。

Description

一种保护视力的电子显示装置 技术领域
本实用新型涉及电子装置，特别涉及一种保护视力的电子显示装置。
背景技术
电子显示装置一般包括手持式电子显示产品，该电子显示产品以电能为工作基础的进行电子显示的相关产品，主要包括：电子书、智能手机、平板电脑、电子卡片等。
电子显示装置的显示部件采用的技术手段常见的有：阴极射线管(CRT)、液晶、场致发光、发光二极管、等离子显示器等。其显示效果与多种因素有关，如显示屏的大小、分辨率、余辉时间，显示符的形状、颜色、笔画宽度，显示图像的亮度和对比度等。
随着电子显示装置的应用越来越广泛，也赋予了电子显示装置越来越多的功能，人们对于电子显示产品，特别手持式电子显示产品的依赖越来越大，长时间短距离盯着电子屏幕观看时，对使用者的视力会有损伤，严重者会导致失明，故，有必要保护使用者的视力。
实用新型内容
为了解决以上问题，本实用新型提供一种保护视力的电子显示装置。
本实用新型公开了一种保护视力的电子显示装置，包括：壳体、供电单元、主控单元、显示单元，所述的主控单元设置于所述的壳体内，所述的显示单元、供电单元均与所述的主控单元相连接，所述的壳体上设置所述的显示单元的显示屏，所述的壳体上设置至少一个与所述的主控单元相连接的超声波测距单元及报警单元，所述的超声波测距单元用于测量用户距离所述的显示屏的距离数值，所述的报警单元用于当所述的距离数值低于设定值时，向所述的用户发出报警。
进一步地，所述的显示单元、超声波测距单元及报警单元通过串口或SPI接口与所述的主控单元相连接。
进一步地，所述的壳体上设置两个超声波测距单元。
进一步地，所述的报警单元包括蜂鸣器和/或可闪烁的LED灯带。
进一步地，所述的电子显示装置为电子卡片。
进一步地，所述的主控单元还连接时钟单元，所述的时钟单元用于当所述的距离数值低于设定值的持续时长高于预设的时长时，所述的报警单元向所述的用户发出报警。
实施本技术方案的保护视力的电子显示装置，具有以下的技术效果：
区别于现有技术中的电子显示装置，无检测及提醒保护视力的机构，本实用新型的保护视力的电子显示装置可检测及提醒保护视力，更有利于使用者的眼部健康。
附图说明
为了清楚地说明本实用新型的实施例或技术方案，特使用附图作简单介绍。显而易见，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本实用新型的实施例一种保护视力的电子装置的结构示意图；
图2为图1中的内部电路模块的示意图；
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
请参阅图1、图2，本实用新型的实施例，一种保护视力的电子显示装置，包括：壳体10、供电单元(图中未示)、主控单元20、显示单元30，主控单元20设置于壳体10内，显示单元30、供电单元均与主控单元20相连接，壳体10上设置显示单元30的显示屏，壳体10上设置至少一个与主控单元20相连接的超声波测距单元40及报警单元50，超声波测距单元40用于测量用户距离显示屏的距离数值，报警单元50用于当距离数值低于设定值时，向用户发出报警。
超声波具有指向性强，能量消耗缓慢，技术成本低，精度高，操作简单，工作稳定可靠，适合用于短距离测量定位。
内部的主控芯片20通过脉冲宽度调制捕获的方式读取来自超声波的模块反馈的参数处理后通过显示出来以及发声器的鸣叫提醒或LED灯光闪烁报警；
供电单元可充电也可外部供电；
显示单元30、超声波测距单元40及报警单元50通过串口或SPI接口与主控单元20相连接。
壳体10上设置两个超声波测距单元40。
单独的超声波测距单元40可以包括发出超声波及接收超声波的集合式模块，若在壳体上设置两个超声波测距单元40，可以设置其中一个超声波测距单元40为超声波发出模块，另一个超声波测距单元40为超声波接收模块。
报警单元50包括蜂鸣器和/或可闪烁的LED灯带。
电子显示装置为电子卡片。
主控单元20还连接时钟单元60，时钟单元60用于当距离数值低于设定值持续预设的时长时，报警单元50向用户发出报警。
显示单元30、超声波测距单元40、报警单元50、时钟单元60均通过串口或SPI接口与主控单元20相连接。
下面进一步介绍如下：
显示单元的产品型号为：LCM578322；
超声波测距单元的产品型号为：HC-SR04；
报警单元的产品型号为：YS-MBZ9055DYB03；
时钟单元的产品型号为：RCC2361-B；
主控单元的产品型号为：nRF52832。
本实用新型的电子显示装置的工作过程为(以图1中的电子卡片为例)：
电子卡片通过两个超声波测试头测试距离，上部设置用于发出超声波的超声波测距单元(可通过喇叭发出)，下部设置用于接收超声波的超声波测距单元(可通过麦克风接收)，中部为电子显示屏，并可在壳体上设置发出警告的可闪烁的LED灯珠或灯带，使用时，上部的超声波测距单元发出超声波，遇到使用者的身体被阻挡，反射回的超声波被下部的超声波测距单元接收，主控芯片计算超声波发出与达到的时间差，以便计算出使用者距离设备的距离，一旦接近一定距离就通过LED灯珠或灯珠发出警告，并在显示屏上显示警告信息。
本技术方案可以用于近距离测距，也可以用于测量学生坐姿检测，判断学生距离桌面距离，保护学生的视力。
实施本技术方案的保护视力的电子显示装置，具有以下的技术效果：
区别于现有技术中的电子显示装置，无检测及提醒保护视力的机构，本实用新型的保护视力的电子显示装置可检测及提醒保护视力，更有利于手持者的眼部健康。
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型的其他使用案例，凡在本实用新型的精神和原则之内所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。

Claims (6)

  1. 一种保护视力的电子显示装置，包括：壳体、供电单元、主控单元、显示单元，所述的主控单元设置于所述的壳体内，所述的显示单元、供电单元均与所述的主控单元相连接，所述的壳体上设置所述的显示单元的显示屏，其特征在于，所述的壳体上设置至少一个与所述的主控单元相连接的超声波测距单元及报警单元，所述的超声波测距单元用于测量用户距离所述的显示屏的距离数值，所述的报警单元用于当所述的距离数值低于设定值时，向所述的用户发出报警。
  2. 根据权利要求1所述的电子显示装置，其特征在于，所述的显示单元、超声波测距单元及报警单元通过串口或SPI接口与所述的主控单元相连接。
  3. 根据权利要求1所述的电子显示装置，其特征在于，所述的壳体上设置两个超声波测距单元。
  4. 根据权利要求1所述的电子显示装置，其特征在于，所述的报警单元包括蜂鸣器和/或可闪烁的LED灯带。
  5. 根据权利要求1所述的电子显示装置，其特征在于，所述的电子显示装置为电子卡片。
  6. 根据权利要求1所述的电子显示装置，其特征在于，所述的主控单元还连接时钟单元，所述的时钟单元用于当所述的距离数值低于设定值持续时长高于预设的时长时，所述的报警单元向所述的用户发出报警。
PCT/CN2020/085683 2020-04-13 2020-04-20 一种保护视力的电子显示装置 WO2021208114A1 (zh)

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Publication number Priority date Publication date Assignee Title
US6384730B1 (en) * 2001-07-10 2002-05-07 Bing-Wen Chen Eye-protective alarm
CN201611515U (zh) * 2009-12-18 2010-10-20 西安科技大学 Pc机用视力保护监测装置
CN102508517A (zh) * 2011-10-25 2012-06-20 冠捷显示科技（厦门）有限公司 手提电脑上实现视线测距兼亮度自控的方法及装置
CN203250240U (zh) * 2013-04-11 2013-10-23 浙江商业职业技术学院 一种保护视力的电脑显示器
CN206601649U (zh) * 2017-03-01 2017-10-31 北京海洺泰信技术发展有限公司 一种带视力保护功能的电脑显示器
CN207938292U (zh) * 2017-07-03 2018-10-02 广东新安职业技术学院 多功能智能视力保护器
CN110782635A (zh) * 2019-10-26 2020-02-11 深圳市童心造物科技有限公司 一种视力保护系统及其使用方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6384730B1 (en) * 2001-07-10 2002-05-07 Bing-Wen Chen Eye-protective alarm
CN201611515U (zh) * 2009-12-18 2010-10-20 西安科技大学 Pc机用视力保护监测装置
CN102508517A (zh) * 2011-10-25 2012-06-20 冠捷显示科技（厦门）有限公司 手提电脑上实现视线测距兼亮度自控的方法及装置
CN203250240U (zh) * 2013-04-11 2013-10-23 浙江商业职业技术学院 一种保护视力的电脑显示器
CN206601649U (zh) * 2017-03-01 2017-10-31 北京海洺泰信技术发展有限公司 一种带视力保护功能的电脑显示器
CN207938292U (zh) * 2017-07-03 2018-10-02 广东新安职业技术学院 多功能智能视力保护器
CN110782635A (zh) * 2019-10-26 2020-02-11 深圳市童心造物科技有限公司 一种视力保护系统及其使用方法

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