WO2019037770A1 - 一种无线虚拟鼠标 - Google Patents

一种无线虚拟鼠标 Download PDF

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Publication number
WO2019037770A1
WO2019037770A1 PCT/CN2018/102160 CN2018102160W WO2019037770A1 WO 2019037770 A1 WO2019037770 A1 WO 2019037770A1 CN 2018102160 W CN2018102160 W CN 2018102160W WO 2019037770 A1 WO2019037770 A1 WO 2019037770A1
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WIPO (PCT)
Prior art keywords
pin
virtual mouse
wireless
power supply
head
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PCT/CN2018/102160
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English (en)
French (fr)
Inventor
仵博
陈梅芬
陆蓉
王瑛
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深圳职业技术学院
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Application filed by 深圳职业技术学院 filed Critical 深圳职业技术学院
Publication of WO2019037770A1 publication Critical patent/WO2019037770A1/zh
Priority to US16/801,044 priority Critical patent/US11042227B2/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0383—Signal control means within the pointing device
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/012—Head tracking input arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/013—Eye tracking input arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/038—Indexing scheme relating to G06F3/038
    • G06F2203/0384—Wireless input, i.e. hardware and software details of wireless interface arrangements for pointing devices

Definitions

  • the invention relates to a wireless virtual mouse, in particular to a mouse for use without a handicap.
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a wireless virtual mouse without arms.
  • a wireless virtual mouse includes a head mounted device and a wireless virtual mouse body, and the wireless virtual mouse body includes a head motion detecting module, an eye movement detecting module, a communication module, and a power supply module; and the head motion detecting module passes The air attitude sensor collects the relative change of the head position, and sends the head position change signal to the computer through the communication module, so that the screen cursor of the computer changes synchronously to complete the virtual mouse cursor movement positioning function; the eye movement detection module passes The photoelectric displacement sensor collects the distance and time of the eyelid movement, and sends the eyelid distance and time change signal to the computer through the communication module. When the moving distance reaches the closed eye distance and the time is longer than the blink time, the confirmation key function is valid.
  • the communication module sends the head position change signal collected by the head motion detection module and the eyelid distance and time change signal collected by the eye movement detection module to the computer to realize the cursor of the virtual mouse through the wireless transceiver. Moving and confirming work ; Power module head motion detector module, blinking eyelid detection module and a communication module power supply.
  • the head mounted device of the present invention includes, but is not limited to, glasses, a hat, an earphone, a hair clip, a hairpin, a headband, and the wireless virtual mouse body or part of the body is detachably mounted on the head mounted device.
  • the wireless virtual mouse body of the present invention further has one or more of a charging interface, an indicator light, and a signal acquisition port.
  • the glasses of the present invention have a frame and a temple, and the lower end of the wireless virtual mouse has a connection bracket, and the connection bracket is detachably mounted on the frame and/or the temple;
  • the head position change signal of the present invention includes relative change signals of up, down, left, right, and/or tilt of the head.
  • the head motion detecting module of the present invention comprises an MPU6000 model of the air attitude sensor, the 8-pin chip is selected to be connected with the wireless transceiver of the communication module to implement SPI chip selection, and the 9-pin serial data output is connected with the wireless transceiver to implement SPI.
  • Serial data output 23-pin serial clock and wireless transceiver connection to achieve SPI serial clock, 24-pin serial data input and wireless transceiver connection for SPI serial data input, 10-pin calibration filter capacitor connection, 13-pin power supply End, 18-pin power ground, 20-pin charge pump capacitor connection.
  • the eyelid detection module of the present invention comprises a photoelectric displacement sensor of the type PAW3205, the 2-pin output detection terminal is connected with the wireless transceiver to realize SPI serial data output, the 3-pin universal I/O serial bidirectional data interface and the wireless transceiver.
  • the connection realizes SPI serial data input
  • the 4-pin serial clock terminal is connected with the wireless transceiver to realize the SPI serial clock
  • the 5-pin is the laser diode input terminal, the 6-pin power supply ground, the 7-pin power supply terminal, and the 8-pin power regulator output.
  • the communication module of the present invention includes a model of the wireless transceiver nRF20L01, and the photoelectric displacement sensor and the air attitude sensor communicate with the wireless transceiver through the 2-5-pin SPI serial port of the wireless transceiver nRF20L01, and the 1-pin is not connected, so that the working state is Transmit status, 9-10 pin external 16MHz crystal oscillator, 16 pin external reference voltage, 19 pin digital power output, 11 pin power supply output, 12-13 pin antenna end, 8, 14, 17, 20 pin power ground, 7 , 15, 18 foot power supply.
  • the power supply module of the invention comprises a linear charging management controller MCP73831, a voltage regulator RT9193, a common cathode diode, a light emitting diode, a power switch, a battery interface; a linear charging management controller MCP73831, a pin 1 and a 2 pin are connected in series, and then the power terminal and the capacitor are connected. One end, the other end of the capacitor is grounded to achieve filtering; the 3-pin series resistor and the LED are connected in series with the 4-pin grounding, and the 6-pin is connected to the 7-pin and 8-pin in series to achieve filtering, common cathode diode to meet charging and power supply.
  • LED as charging indication
  • power switch realizes virtual mouse switch
  • battery interface is used to connect battery, voltage regulator RT9193 and peripheral circuit form voltage regulator circuit, voltage regulator RT9193 1 pin and two parallel capacitors, One end of the resistor is connected, the other end of the resistor is connected to the power terminal to achieve filtering, and the second leg is connected with two parallel capacitors for filtering.
  • the beneficial effects of the present invention are to help an armless person with a virtual mouse input to control the computer. It is easy to carry with the head-mounted device as an auxiliary tool. It can be disassembled and installed between different head-mounted devices. It has a wide range of suitable head-mounted devices and is suitable for life scenes. It is virtual compared to the movement of the legs and knees.
  • the mouse input, the head movement and the blinking scheme adopted by the invention have low physical energy consumption and high operation efficiency; the wireless virtual mouse of the invention can directly input the computer virtual keyboard without collecting user voice, so it is not affected by the noisy environment. At the same time, the voice information of the user's privacy will not be revealed.
  • the invention adopts wireless communication to realize a virtual mouse input control computer, and the user is free from the limitation of the traditional wired mouse connection line, and has a high degree of freedom; the invention is not only particularly suitable for computer operation of a hand-free handicapped person, and the use of a normal person is also It is very suitable to appropriately alleviate the "computer diseases" of modern people, such as mouse hands, keyboard hands or spine diseases.
  • FIG. 1 is a working principle diagram of the present invention
  • FIG. 2 is a schematic diagram of a wireless virtual mouse circuit according to a preferred embodiment of the present invention.
  • FIG. 3 is a circuit diagram of a power supply module according to a preferred embodiment of the present invention.
  • Figure 4 is a perspective view of a pair of glasses according to a preferred embodiment of the present invention.
  • Figure 5 is a second perspective view of a pair of glasses in accordance with a preferred embodiment of the present invention.
  • a wireless virtual mouse of the present invention works by converting a relative change in head position and a distance and time of eyelid movement into electrical signals, and then transmitting an electrical signal to the wireless mode.
  • the computer completes the cursor movement and confirmation of the computer mouse.
  • the wireless virtual mouse of the armless handicapped of the present invention comprises a head mounted device and a wireless virtual mouse body.
  • the glasses 1 are head mounted devices, and the glasses 1
  • the frame 11 and the temple 12 are included;
  • the wireless virtual mouse body 2 is detachably connected to the upper end of the frame 11 and the temple 12 via a bracket 5;
  • the wireless virtual mouse device 2 includes a charging interface 221 and a power switch 222.
  • the eye movement detection collection port 211 and the head motion detection collection port 233 are applicable to various glasses worn by different specifications, different uses, and different scenes.
  • the wireless virtual mouse body 2 includes a head motion detecting module 3, an eye motion detecting module 4, a communication module 5, and a power supply module 6; the head motion detecting module 3 collects a relative change of a head position through an air attitude sensor.
  • the relative change includes a relative change signal of the head up, down, left, right and/or tilt, and sends a head position change signal to the computer through the communication module 5, so that the screen cursor of the computer changes synchronously, and the virtual mouse cursor moves.
  • the eye movement detecting module 4 collects the distance and time of the eyelid movement by the photoelectric displacement sensor, and sends the distance and time change signal of the eyelid movement to the computer through the communication module 5, when the moving distance reaches the closed eye When the distance is longer than the blink time, it is determined that the confirmation key function is valid, and the virtual mouse confirmation key function is realized; the communication module 5 transmits the head position change signal and the eye movement collected by the head motion detection module 3 through the wireless transceiver. The distance and time change signal of the eyelid movement collected by the detecting module 4 is sent to the computer Now a virtual mouse cursor movement and confirmation function; power supply module 6 to module 3 detects the head movement, blinking eyelid detection module and a communication module 4 5 power.
  • the circuit schematic diagram of the wireless virtual mouse is shown in FIG. 2, and includes three integrated circuits: a photoelectric displacement sensor PAW3205, an air attitude sensor MPU6000, and a wireless transceiver circuit nRF20L01.
  • the photoelectric displacement sensor PAW3205 is a high-performance, low-power CMOS process optical sensor.
  • the photoelectric displacement sensor PAW3205 and peripheral components constitute an eye movement detection module for realizing the wireless virtual mouse confirmation key function; the photoelectric displacement sensor PAW3205 has 1 pin.
  • No, 2 feet is the mobile detection output and U5's 5 pin connection to achieve SPI serial data output, 3 feet is serial I / O interface and wireless transceiver circuit nRF20L0 4 pin connection to achieve SPI serial data input, 4 feet
  • the serial clock terminal is connected with the 3-pin of the wireless transceiver circuit nRF20L0 to realize the SPI serial clock, and the 5-pin is the laser diode input terminal, the 6-pin power supply ground, the 7-pin power supply terminal, and the 8-pin power conditioner output; the circuit diagram design makes the photoelectric
  • the displacement sensor PAW3205 communicates with the wireless transceiver circuit nRF20L0 through the SPI serial port.
  • the photoelectric displacement sensor PAW3205 collects the distance and time of the eyelid movement; when the moving distance reaches the closed eye distance, and the time is greater than 500 milliseconds It is determined that the confirmation key function is valid, and the wireless virtual mouse confirmation key function is completed.
  • the air attitude sensor MPU6000 integrates a 3-axis gyroscope, a 3-axis accelerometer, a gyroscope and an accelerometer with three 16-bit ADCs respectively, converting the measured analog quantity into an outputable digital quantity, the air attitude sensor MPU6000 and
  • the peripheral components constitute a head motion detection module for realizing the wireless virtual mouse cursor movement positioning function; the external attitude input of the air attitude sensor MPU6000 1 pin, the 6-pin I2C main serial data is not used, the 7-pin I2C main serial The clock is not used.
  • the 8-pin is connected to the 2-pin of the wireless transceiver circuit nRF20L0 to realize SPI chip selection.
  • the 9-pin and the null wireless transceiver circuit nRF20L0 are connected to the 5-pin to realize SPI serial data output, 10-pin calibration filter capacitor connection, 11-pin frame. Synchronous digital input is not used, 12-pin interrupt digital output is not used, 13-pin power supply terminal, 18-pin power supply ground, 19, 21-22-pin reserved unused, 20-pin charge pump capacitor connection, 23-pin and wireless transceiver circuit nRF20L0
  • the 3-pin connection realizes the SPI serial clock, the 24-pin is connected to the 4-pin connection of the wireless transceiver circuit nRF20L0 to realize the SPI serial data input, and the 2-5 and 14-17 pins are not connected; the circuit diagram design makes the air attitude transmission
  • the MPU6000 communicates with the wireless transceiver circuit nRF20L0 through the SPI serial port.
  • the air attitude sensor MPU6000 collects relative changes of the head up, down, left, right and/or tilt, and sends the change signal to the computer to make the screen
  • the cursor changes synchronously, and the virtual mouse cursor moves the positioning wheel function.
  • the wireless transceiver nRF20L01 and peripheral components form a communication module for wireless communication function;
  • the wireless transceiver circuit nRF20L0 has a 1-pin working state selected to be in a transmitting state, 2-5-pin SPI serial port, and 6-pin data receiving is not used, 9 -10 pin external 16MHz crystal oscillator, 16-pin external reference voltage, 19-pin digital power output, 11-pin power supply output, 12-13-pin antenna terminal, 8, 14, 17, 20-pin power ground, 7, 15, 18 Foot power terminal.
  • the air attitude sensor MPU6000 and the photoelectric displacement sensor PAW3205 are communicatively connected with the wireless transceiver circuit nRF20L0 through the SPI serial port, the air attitude sensor MPU6000 issues a cursor movement positioning signal, the photoelectric displacement sensor PAW3205 issues a function confirmation signal, and the wireless transmission circuit sends a signal to the computer to complete Input operation of a wireless virtual mouse.
  • the circuit schematic diagram of the power supply module 6 of the wireless virtual mouse in this embodiment is shown in FIG. 3.
  • the linear charge management controller MCP73831 and the peripheral circuit constitute a lithium battery charge management circuit, and the 1st and 2 feet of the linear charge management controller MCP73831 Connect the power supply terminal and the capacitor C101 in series to realize the input end filtering; the 3-pin series resistor R101 and the LED D101 are connected in series with the 4-pin grounding, the 5-pin is not connected, and the 6-pin is connected to the 7-pin and 8-pin in series by the capacitor C102.
  • the output terminal is filtered; D102 is a common cathode diode, which can meet charging and power supply simultaneously, D101 is a light-emitting diode as a charging indicator, SW1 is a power switch to realize a virtual mouse switch, BAT is a battery interface for accessing a battery; voltage regulator The RT9193 and the peripheral circuit form a voltage stabilizing circuit.
  • the pin 1 of the RT9193 is connected to one end of the capacitor C105, the capacitor C106, and the resistor R102.
  • the other end of the capacitor C105 and the capacitor C106 are connected to the ground end, and the other end of the resistor and the power terminal are connected.
  • Connection, realize output filter; 2 feet are input terminals connected to the capacitors C102 and C103, which are connected in parallel, to achieve input filter; the power supply module 6 Head movement detecting module 3, eyelid blink detection module 4, the communication module 5 power.

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  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
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Abstract

本发明公开了一种无线虚拟鼠标，是具有空中姿态传感器和光电位移传感器的眼镜，通过空中姿态传感器捕捉用户头部运动的轨迹，通过光电位移传感器检测眼睑眨动的频率信息，将头戴式设备上的无线虚拟鼠标所收集的信息通过无线传输技术传输到计算机上，实现虚拟鼠标移动和确认的功能。

Description

一种无线虚拟鼠标 技术领域
本发明涉及一种无线虚拟鼠标，特别是无臂残疾人使用的鼠标。
背景技术
据中国残联最新统计的数据显示，目前，中国各类残疾人总数已达8500万，已占全国总人数的6％，他们是我国社会最需要关心的特殊群体之一，无臂残疾人全面发展越来越受到社会的重视。目前适用于无臂残疾人的计算机输入设备比较缺乏。虽然有语音辅助输入功能，只能解决一般文字输入的功能，但光标定位及确认无法解决且存在会受环境噪声影响、语音泄露用户隐私等局限性。而通过双脚控制的计算机输入设备虽然可以实现光标移动及确认功能，但是设备具有体积大、不便携、操作效率低、用户体能消耗较大等诸多局限性。
发明内容
本发明的目的在于克服现有技术之不足，提供一种无臂残疾人无线虚拟鼠标。
本发明解决其技术问题所采用的技术方案是：
一种无线虚拟鼠标，包括头戴式设备和无线虚拟鼠标本体，所述无线虚拟鼠标本体包括头部运动检测模块、眼睑眨动检测模块、通信模块和供电模块；所述头部运动检测模块通过空中姿态传感器采集头部位置的相对变化，并通过通信模块将头部位置变化信号发送给计算机，使计算机的屏幕光标同步变化，以完成虚拟鼠标光标移动定位功能；所述眼睑眨动检测模块通过光电位移传感器采集眼睑移动的距离和时间，并通过通信模块将眼睑距离和时间变化信号发送给计算机，当移动的距离达到闭眼的距离，且时间大于眨眼的时间时，认定为确认键功能有效，完成鼠标确认键功能；通信模块通过无线收发器将头部运动检测模块采集到的头部位置变化信号和眼睑眨动检测模块采集到的眼睑距离和时间变化信号发送给计算机实现虚拟鼠标的光标移动和确认的功能；供电模块为头部运动检测模块、眼睑眨动检测模块和通信模块供电。
本发明的头戴式设备包括但不限于眼镜、帽子、耳机、发夹、发簪、头带，且所述无线虚拟鼠标本体或部份本体可拆卸安装在所述头戴式设备上。
本发明的无线虚拟鼠标本体还具有充电接口、指示灯和信号采集口的其中一种或多 种。
本发明的眼镜具有镜框与镜腿，所述无线虚拟鼠标的下端具有连接支架，所述连接支架可拆卸的安装在所述镜框和/或镜腿上；
本发明的头部位置变化信号包括头部上、下、左、右和/或倾斜的相对变化信号。
本发明的头部运动检测模块包括空中姿态传感器的型号为MPU6000，其8脚片选与所述通信模块的无线收发器连接实现SPI片选，9脚串行数据输出与无线收发器连接实现SPI串行数据输出，23脚串行时钟与无线收发器连接实现SPI串行时钟，24脚串行数据输入与无线收发器连接实现SPI串行数据输入，10脚校准滤波电容连线，13脚电源端，18脚电源地，20脚电荷泵电容连线。
本发明的眼睑眨动检测模块包括光电位移传感器的型号为PAW3205，其2脚输出检测端与无线收发器连接实现SPI串行数据输出，3脚通用I/O串行双向数据接口与无线收发器连接实现SPI串行数据输入，4脚串行时钟端与无线收发器连接实现SPI串行时钟，5脚是激光二极管输入端，6脚电源地，7脚电源端，8脚功率调节器输出。
本发明的通信模块包括无线收发器的型号为nRF20L01，所述光电位移传感器和空中姿态传感器通过无线收发器nRF20L01的2-5脚SPI串口与无线收发器进行通信其1脚不接使得工作状态为发射状态，9-10脚外接16MHz晶体振荡器，16脚外部参考电压，19脚数字电源输出，11脚功率电源输出，12-13脚天线端，8、14、17、20脚电源地，7、15、18脚电源端。
本发明的供电模块包括线性充电管理控制器MCP73831、电压调整器RT9193、共阴极二极管、发光二极管、电源开关、电池接口；线性充电管理控制器MCP73831的1脚与2脚串联再连接电源端和电容一端，电容另一端接地，实现滤波；3脚串联电阻与发光二极管后串联4脚接地，6脚通过电容与串联好的7脚和8脚连接，实现滤波，共阴极二极管，以满足充电与供电同时进行；发光二极管作为充电指示；电源开关实现虚拟鼠标的开关；电池接口用来接入电池，电压调整器RT9193与外围电路构成稳压电路，电压调整器RT9193的1脚与两个并联电容，电阻的一端连接，电阻另一端连接电源端，实现滤波，2脚与两个并联电容连接，实现滤波。
本发明的有益效果是：帮助无臂残疾人实现虚拟鼠标输入从而控制计算机。以头戴式设备为辅助工具方便携带，可在不同的头戴式设备之间拆卸和安装，适用的头戴式设备范围广，适用的生活场景多；相比双腿运动和膝盖运动实现虚拟鼠标输入，本发明采用的头部运动和眨眼方案的体能消耗小操作效率高；本发明的无线虚拟鼠标可以直接对 计算机虚拟键盘进行键入操作，无需采集用户语音，所以不会受嘈杂环境的影响同时不会泄露用户隐私的语音信息。本发明采用无线通信实现虚拟鼠标输入控制计算机，用户免受传统有线鼠标连接线的限制，具有较高的自由度；本发明不仅特别的适用于无臂残疾人的计算机操作，正常人的使用也非常合适，可适当缓解现代人的“计算机病”，例如鼠标手、键盘手或脊椎类疾病。
以下结合附图及实施例对本发明作进一步详细说明；但本发明的一种无臂残疾人无线虚拟鼠标不局限于实施例。
附图说明
图1是本发明的工作原理图；
图2是本发明的一较佳实施例的无线虚拟鼠标电路原理图；
图3是本发明的一较佳实施例的供电模块电路原理图；
图4是本发明的一较佳实施例的眼镜外观图之一；
图5是本发明的一较佳实施例的眼镜外观图之二。
具体实施方式
实施例参见图1所示，本发明的一种无线虚拟鼠标的工作原理是通过将头部位置的相对变化和眼睑移动的距离和时间分别转化为电信号，再通过无线模式将电信号发送至计算机完成计算机鼠标的光标移动和确认。
参见图4、图5所示，本发明的一种无臂残疾人无线虚拟鼠标，包括头戴式设备和无线虚拟鼠标本体，本实施例是以眼镜1为头戴式设备，所述眼镜1包括镜框11和镜腿12；所述无线虚拟鼠标本体2通过支架5可拆卸地连接在所述镜框11和所述镜腿12的上端；所述无线虚拟鼠标装置2包括充电接口221、电源开关222、眼睑眨动检测采集口211、头部运动检测采集口233，该方案适用不同规格尺寸、不同用途、不同场景下佩戴的各种眼镜。
所述无线虚拟鼠标本体2包括头部运动检测模块3、眼睑眨动检测模块4、通信模块5和供电模块6；所述头部运动检测模块3通过空中姿态传感器采集头部位置的相对变化，该相对变化包括头部上、下、左、右和/或倾斜的相对变化信号，并通过通信模块5将头部位置变化信号发送给计算机，使计算机的屏幕光标同步变化，实现虚拟鼠标光标移动定位滚轮功能；所述眼睑眨动检测模块4通过光电位移传感器采集眼睑移动的 距离和时间，并通过通信模块5将眼睑移动的距离和时间变化信号发送给计算机，当移动的距离达到闭眼的距离，且时间大于眨眼的时间时，认定为确认键功能有效，实现虚拟鼠标确认键功能；通信模块5通过无线收发器将头部运动检测模块3采集到的头部位置变化信号和眼睑眨动检测模块4采集到的眼睑移动的距离和时间变化信号发送给计算机实现虚拟鼠标的光标移动和确认的功能；供电模块6为头部运动检测模块3、眼睑眨动检测模块4和通信模块5供电。
本实施例中，所述无线虚拟鼠标的电路原理图参见图2，包括光电位移传感器PAW3205，空中姿态传感器MPU6000，无线收发电路nRF20L01三个集成电路。
光电位移传感器PAW3205是一种高性能低功耗的CMOS工艺的光学传感器，光电位移传感器PAW3205及外围元件构成眼睑眨动检测模块，用以实现无线虚拟鼠标确认键功能；光电位移传感器PAW3205的1脚不接，2脚是移动检测输出端与U5的5脚连接实现SPI串行数据输出，3脚是串行I/O接口与无线收发电路nRF20L0的4脚连接实现SPI串行数据输入，4脚是串行时钟端与无线收发电路nRF20L0的3脚连接实现SPI串行时钟，5脚是激光二极管输入端，6脚电源地，7脚电源端，8脚功率调节器输出；该电路图设计使得光电位移传感器PAW3205通过SPI串口与无线收发电路nRF20L0进行通信，当用户上眼睑眨动时，光电位移传感器PAW3205采集眼睑移动的距离和时间；当移动的距离达到闭眼的距离，且时间大于500毫秒时，认定为确认键功能有效，完成无线虚拟鼠标确认键功能。
空中姿态传感器MPU6000集成了3轴陀螺仪，3轴加速度计，陀螺仪和加速度计分别用了三个16位的ADC，将其测量的模拟量转化为可输出的数字量，空中姿态传感器MPU6000与外围元件构成头部运动检测模块，用以实现无线虚拟鼠标光标移动定位功能；空中姿态传感器MPU6000的1脚可选的外部时钟输入，6脚I2C主串行数据未使用，7脚I2C主串行时钟未使用，8脚与无线收发电路nRF20L0的2脚连接实现SPI片选，9脚与空无线收发电路nRF20L0的5脚连接实现SPI串行数据输出，10脚校准滤波电容连线，11脚帧同步数字输入未使用，12脚中断数字输出未使用，13脚电源端，18脚电源地，19、21-22脚预留未使用，20脚电荷泵电容连线，23脚与无线收发电路nRF20L0的3脚连接实现SPI串行时钟，24脚与无线收发电路nRF20L0的4脚连接实现SPI串行数据输入，2-5、14-17脚不接；该电路图设计使得空中姿态传感器MPU6000通过SPI串口与无线收发电路nRF20L0进行通信，移动头部时，空中姿态传感器MPU6000采集头部上、下、左、右和/或倾斜的相对变化，并将变化信号发送给计算机，使屏幕光标同 步变化，实现虚拟鼠标光标移动定位滚轮功能。
无线收发器nRF20L01及外围元件构成通信模块，用以实现无线通信功能；无线收发电路nRF20L0的1脚工作状态选择不接是发射状态，2-5脚SPI串口端，6脚数据接收未使用，9-10脚外接16MHz晶体振荡器，16脚外部参考电压，19脚数字电源输出，11脚功率电源输出，12-13脚天线端，8、14、17、20脚电源地，7、15、18脚电源端。
空中姿态传感器MPU6000和光电位移传感器PAW3205通过SPI串口与无线收发电路nRF20L0进行通信连接，空中姿态传感器MPU6000发出光标移动定位信号，光电位移传感器PAW3205发出功能确认信号，无线发射电路将信号发送给计算机，完成无线虚拟鼠标的输入操作。
本实施例中所述无线虚拟鼠标的供电模块6的电路原理图参见图3，线性充电管理控制器MCP73831与外围电路构成锂电池充电管理电路，将线性充电管理控制器MCP73831的1脚与2脚串联再连接电源端和电容C101，实现输入端滤波；3脚串联电阻R101与发光二极管D101后串联4脚接地，5脚不接，6脚通过电容C102与串联好的7脚和8脚连接，实现输出端滤波；D102是共阴极二极管，可满足充电与供电同时进行，D101是发光二极管作为充电指示，SW1是电源开关实现虚拟鼠标的开关，BAT是电池接口用来接入电池；电压调整器RT9193与外围电路构成稳压电路，将RT9193的1脚是输出端与电容C105、电容C106、电阻R102的一端连接，电容C105与电容C106的另一端与地端连接，电阻的另一端与电源端连接，实现输出端滤波；2脚是输入端连接已经并联好的电容C102与C103，实现输入端滤波；该供电模块6为头部运动检测模块3、眼睑眨动检测模块4、通信模块5供电。
上述实施例仅用来进一步说明本发明的一种无臂残疾人无线虚拟鼠标，但本发明并不局限于实施例，凡是依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均落入本发明技术方案的保护范围内。

Claims (10)

  1. 一种无线虚拟鼠标，其特征在于：包括头戴式设备和无线虚拟鼠标本体；
    所述无线虚拟鼠标本体包括头部运动检测模块、眼睑眨动检测模块、通信模块和供电模块；
    所述头部运动检测模块通过空中姿态传感器采集头部位置的相对变化，并通过通信模块将头部位置变化信号发送给计算机，使计算机的屏幕光标同步变化，实现虚拟鼠标光标移动定位滚轮功能；
    所述眼睑眨动检测模块通过光电位移传感器采集眼睑移动的距离和时间，并通过通信模块将眼睑移动的距离和时间变化信号发送给计算机，当眼睑移动的距离达到预设的距离，且时间大于预设的时间时，认定为确认键功能有效，实现虚拟鼠标确认键功能；通信模块通过无线收发器将头部运动检测模块采集到的头部位置变化信号和眼睑眨动检测模块采集到的眼睑移动的距离和时间变化信号发送给计算机实现虚拟鼠标的光标移动和确认的功能；供电模块为头部运动检测模块、眼睑眨动检测模块和通信模块供电。
  2. 根据权利要求1所述的无线虚拟鼠标，其特征在于：
    所述的头戴式设备包括眼镜、帽子、耳机、发夹、发簪、头带，且所述无线虚拟鼠标本体或部份本体可拆卸安装在所述头戴式设备上。
  3. 根据权利要求1所述的无线虚拟鼠标，其特征在于：
    所述无线虚拟鼠标本体还具有充电接口、指示灯和信号采集口的其中一种或多种。
  4. 根据权利要求2所述的无线虚拟鼠标，其特征在于：
    所述的头戴式设备为眼镜，所述眼镜具有镜框与镜腿，所述无线虚拟鼠标本体的下端具有连接支架，所述连接支架可拆卸的安装在所述镜框和/或镜腿上。
  5. 根据权利要求1所述的无线虚拟鼠标，其特征在于：
    所述头部位置变化信号包括头部上、下、左、右和/或倾斜的相对变化信号。
  6. 根据权利要求1所述的无线虚拟鼠标，其特征在于：
    所述头部运动检测模块中，所述空中姿态传感器的型号为MPU6000，其8脚片选与所述通信模块的无线收发器连接实现SPI片选，9脚串行数据输出与无线收发器连接实现SPI串行数据输出，23脚串行时钟与无线收发器连接实现SPI串行时钟，24脚串行数据输入与无线收发器连接实现SPI串行数据输入，10脚校准滤波电容连线，13脚电源端，18脚电源地，20脚电荷泵电容连线。
  7. 根据权利要求1所述的无线虚拟鼠标，其特征在于：
    所述的眼睑眨动检测模块，其中的所述光电位移传感器的型号为PAW3205，其2脚输出检测端与所述通信模块的无线收发器连接实现SPI串行数据输出，3脚通用I/O串行双向数据接口与无线收发器连接实现SPI串行数据输入，4脚串行时钟端与无线收发器连接实现SPI串行时钟，5脚是激光二极管输入端，6脚电源地，7脚电源端，8脚功率调节器输出。
  8. 根据权利要求1所述的无线虚拟鼠标，其特征在于：
    所述通信模块，其中的所述无线收发器的型号为nRF20L01，所述光电位移传感器和所述空中姿态传感器通过无线收发器nRF20L01的2-5脚SPI串口进行通信，其1脚不接使得工作状态为发射状态，9-10脚外接16MHz晶体振荡器，16脚外部参考电压，19脚数字电源输出，11脚功率电源输出，12-13脚天线端，8、14、17、20脚电源地，7、15、18脚电源端。
  9. 根据权利要求1所述的无线虚拟鼠标，其特征在于：
    所述的供电模块，包括线性充电管理控制器MCP73831、电压调整器RT9193、共阴极二极管、发光二极管、电源开关、电池接口；线性充电管理控制器MCP73831的1脚与2脚串联再连接电源端和电容一端，电容另一端接地，实现滤波；3脚串联电阻与发光二极管后串联4脚接地，6脚通过电容与串联好的7脚和8脚连接，实现滤波，共阴极二极管，以满足充电与供电同时进行；发光二极管作为充电指示；电源开关实现虚拟鼠标的开关；电池接口用来接入电池，电压调整器RT9193与外围电路构成稳压电路，电压调整器RT9193的1脚与两个并联电容，电阻的一端连接，电阻另一端连接电源端，实现滤波，2脚与两个并联电容连接，实现滤波。
  10. 根据权利要求1所述的无线虚拟鼠标，其特征在于：适用于无臂残疾人。
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