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WO2015158030A1 - 根据心电图实现近距离解锁的方法及其系统 - Google Patents

根据心电图实现近距离解锁的方法及其系统 Download PDF

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Publication number
WO2015158030A1
WO2015158030A1 PCT/CN2014/078868 CN2014078868W WO2015158030A1 WO 2015158030 A1 WO2015158030 A1 WO 2015158030A1 CN 2014078868 W CN2014078868 W CN 2014078868W WO 2015158030 A1 WO2015158030 A1 WO 2015158030A1
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WO
WIPO (PCT)
Prior art keywords
electrocardiogram
controlled device
wearable device
module
paired
Prior art date
Application number
PCT/CN2014/078868
Other languages
English (en)
French (fr)
Inventor
胡兵辉
张�杰
Original Assignee
惠州Tcl移动通信有限公司
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Tcl移动通信有限公司 filed Critical 惠州Tcl移动通信有限公司
Priority to US14/786,516 priority Critical patent/US9699596B2/en
Priority to EP14889456.1A priority patent/EP3116138B1/en
Priority to ES14889456T priority patent/ES2699308T3/es
Publication of WO2015158030A1 publication Critical patent/WO2015158030A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H04W84/20—Master-slave selection or change arrangements

Definitions

  • the invention relates to a short-distance communication and unlocking technology, in particular to a method and a system for realizing short-distance unlocking according to an electrocardiogram.
  • the car is unlocked by using a remote control before the car is started; the access control system is unlocked by scanning a fingerprint, a face or using a radio frequency card; the mobile terminal (such as a mobile phone or a tablet) is unlocked by sliding the screen, entering a password or pressing a button.
  • Some existing unlocking methods require corresponding unlocking devices, such as the above-mentioned car remote controller and radio frequency card; they require the user to carry and manually operate at any time, and cannot automatically unlock. Loss or damage to the unlocking device may cause inconvenience to the user, and if the unlocking device is obtained by others, the property and safety of the user will be lost.
  • unlocking methods require human operation, such as fingerprint scanning of the access control and manual unlocking of the mobile terminal; the unlocking method is easily grasped or cracked by others, the security performance is not high, and personal information security cannot be guaranteed.
  • a wearable device that uses a built-in sensor to detect a person's heart rate and draw an electronic electrocardiogram through a pulse is now available on the market.
  • each person's electrocardiogram is unique and does not overlap with any other's electrocardiogram. It is used as a graphic password, and the safety is higher than the eyeball retina, fingerprint, and the like.
  • the electrocardiograms of different people are different in different states, the difference is only in the difference of the amplitude of the electrocardiogram.
  • the heart rate bracelet can be scaled up or down to fix the amplitude of the ECG.
  • the output of the ECG is unique to the user, cannot be copied or imitated, and has higher confidentiality and security.
  • the present invention uses an electrocardiogram to improve the existing unlocking method.
  • an object of the present invention is to provide a method and system for implementing close-range unlocking according to an electrocardiogram, so as to solve the problem that the existing unlocking mode requires manual operation and cannot be automatically unlocked, and the safety performance is poor.
  • a method for achieving close-range unlocking according to an electrocardiogram comprising:
  • the wearable device searches for the paired controlled device, it is determined whether the controlled device and the wearable device are in a close state or a remote state;
  • the wearable device starts short-range communication, acquires the user's electrocardiogram, and wirelessly transmits to the paired controlled device;
  • the paired controlled device determines whether the received electrocardiogram matches the stored template electrocardiogram, and the controlled device automatically unlocks when matching.
  • the method further includes:
  • the wearable device performs initial pairing with the controlled device to identify the identity information of the other party and encrypt and save the same; the controlled device saves the initial electrocardiogram of the user sent by the wearable device and marks the template as an electrocardiogram.
  • the step A uses the Bluetooth method to search for the paired controlled device in the first preset range, which specifically includes: the Bluetooth module of the wearable device searches for the first preset. Whether there is a Bluetooth sensor of the paired controlled device in the range: if it exists, it is recognized as a close state; otherwise it is recognized as a remote state.
  • the step A specifically includes:
  • the Bluetooth module of the wearable device transmits a low frequency signal, and searches for a Bluetooth sensor of the paired controlled device in the first preset range within a first preset time: if it exists, it is recognized as a close state; otherwise, the step is performed.
  • the Bluetooth module of the wearable device transmits a high frequency signal, and searches for a Bluetooth sensor of the paired controlled device in the second preset range: if it exists, it is recognized as a remote state, and immediately returns to step A1; otherwise, After the second preset time is reached, the process returns to step A1.
  • the step A uses the NFC method to search whether there is a paired controlled device in the preset range, which specifically includes: the NFC module of the wearable device detects the paired controlled device.
  • the NFC sensor of the device is recognized as a close-range state; if the paired controlled device is not detected, it is recognized as a distant state.
  • the step C further includes: when the received electrocardiogram does not match the preset electrocardiogram, the controlled device turns on the manual unlocking mode.
  • a system for implementing the described proximity unlocking according to an electrocardiogram comprising a wearable device and a controlled device,
  • the wearable device includes:
  • the connection control module is configured to determine whether the controlled device and the wearable device are in a close state or a remote state when searching for the paired controlled device; and on the other hand, in the controlled device and the wearable device When the distance between the two is close, the proximity communication is turned on, and the electrocardiogram is wirelessly transmitted to the paired controlled device;
  • An electrocardiogram module configured to acquire a user's electrocardiogram when the controlled device and the wearable device are in a close state
  • the controlled device includes:
  • a communication module configured to receive and transmit an electrocardiogram sent by the connection control module
  • a data processing module configured to determine whether the electrocardiogram transmitted by the communication module matches the template electrocardiogram
  • An unlocking control module is configured to automatically unlock when the received electrocardiogram matches the template electrocardiogram
  • connection control module is connected to the electrocardiogram module and is also wirelessly connected to the communication module, and the communication module, the data processing module, and the unlock control module are sequentially connected.
  • the wearable device further includes:
  • An identity matching module configured to identify identity information of the controlled device transmitted by the connection control module and perform encryption and storage when the wearable device performs initial pairing with the controlled device;
  • the controlled device further includes:
  • An identity verification module configured to identify identity information of the wearable device transmitted by the communication module and encrypt and save when the wearable device performs initial pairing with the controlled device;
  • the data processing module is further configured to save an initial electrocardiogram of the user sent by the wearable device and mark the template as an electrocardiogram;
  • the identity matching module is connected to the connection control module, and the identity verification module and the memory are all connected to the communication module.
  • connection control module of the wearable device is a Bluetooth module
  • the communication module of the controlled device is a Bluetooth sensor
  • connection control module of the wearable device is an NFC unit
  • the communication module of the controlled device is an NFC sensor
  • the method and system for implementing close-range unlocking according to an electrocardiogram provided by the present invention, when searching for a paired controlled device by a wearable device, determining that the controlled device and the wearable device are in a close state
  • the user's electrocardiogram is obtained and wirelessly transmitted to the paired controlled device
  • the controlled device determines that the received electrocardiogram is automatically unlocked when it matches the template electrocardiogram, and can be automatically unlocked without manual operation by the user, which is convenient for the user to operate
  • the user's unique ECG is used as the unlocking key of the controlled device, which is not easy to be grasped or cracked by others, which greatly increases the security.
  • FIG. 1 is a flowchart of a method for implementing close-range unlocking according to an electrocardiogram according to an embodiment of the present invention.
  • FIG. 2 is a structural block diagram of a system for implementing close-range unlocking according to an electrocardiogram according to an embodiment of the present invention.
  • the present invention provides a method and system for achieving close-range unlocking according to an electrocardiogram.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • the method for realizing close-distance unlocking according to the electrocardiogram adopts the short-distance communication technology, the electrocardiogram sensing technology and the image processing technology.
  • the user's electrocardiogram is used as the unique key for unlocking the controlled terminal.
  • the automatic unlocking of the controlled terminal is not easy to be mastered by others, which greatly increases the security.
  • the method for implementing close-range unlocking according to an electrocardiogram includes the following steps:
  • the wearable device starts short-range communication, acquires the user's electrocardiogram, and wirelessly transmits the paired controlled device;
  • the paired controlled device determines whether the received electrocardiogram matches the stored template electrocardiogram, and the controlled device automatically unlocks when matching.
  • the wearable device is usually worn on a user.
  • the locked device can be automatically unlocked by using the user's electrocardiogram as the unlocked key.
  • the present embodiment needs to initialize and pair the wearable device with the controlled device before the step S100 to identify each other.
  • the identity information is encrypted and saved; the controlled device saves the user's initial electrocardiogram sent by the wearable device and marks it as a template electrocardiogram.
  • the wearable device can be initialized with multiple controlled devices. When the wearable device searches, it automatically filters out the successfully controlled devices and shields other devices, which greatly reduces the search time and search power consumption of the wearable devices.
  • the wearable device may search for the paired controlled device in the first preset range by using a Bluetooth mode, and specifically include: the Bluetooth module of the wearable device searches whether there is a paired in the first preset range.
  • Bluetooth sensor of the controlled device if present, it is recognized as a close state; otherwise it is recognized as a remote state.
  • the search range of the Bluetooth is less than or equal to 10 meters, and the distance between the wearable device and the controlled device is less than 1 meter, and the distance is greater than 1 meter.
  • the specific methods of Bluetooth search include:
  • Step 1 The Bluetooth module of the wearable device transmits a low frequency signal, and searches for the Bluetooth sensor of the paired controlled device within the first preset range within the first preset time: if it exists, it is recognized as a close distance state; otherwise, it is executed. Step 2.
  • Step 2 The Bluetooth module of the wearable device transmits a high frequency signal, and searches for a Bluetooth sensor of the paired controlled device in the second preset range: if it exists, it is recognized as a remote state, and immediately returns to step 1; otherwise Return to step 1 after the second preset time is reached.
  • the first preset time is 2 seconds; the first preset range is 0.2 meters to 1 meter, or less than 1 meter.
  • the second preset time is 5 seconds; the second preset range is less than 10 meters and greater than 1 meter.
  • the Bluetooth module When the wearable device is in standby, the Bluetooth module first uses the low frequency signal (its low power, short distance that can be propagated) to search for a paired controlled device within 0.2 meters to 1 meter, and the distance between the worn device and the controlled device is relatively close. It is equivalent to the distance that the controlled device is at a user's reach. In order to facilitate the user to unlock, step S200 is performed in a close range state.
  • the low frequency signal its low power, short distance that can be propagated
  • the Bluetooth module is changed into a high-frequency signal (its power is large, the distance of propagation is long) to search for less than 10 meters and more than 1 meter for controlled devices, and if so, the user (wearing the wearable device) and the controlled device There is a certain distance between them, which is recognized as a long-distance state. In this case, it is not necessary to unlock the controlled device. The user may be approaching or moving away from the controlled device. It is necessary to immediately return to step 1 to continue to search for the low-frequency signal to judge the user and the controlled device. The distance between them. If the controlled device is not searched in the long distance state, return to step 1 after 5 seconds to search again with the low frequency signal. In this embodiment, the search is performed in a low frequency and high frequency alternate manner, which can reduce the power of the Bluetooth module and save the signal emission amount.
  • the wearable device can also adopt NFC (Near Field) Communication, Near Field Communication) Searches for the presence of a paired controlled device within the preset range.
  • NFC Near Field
  • the effective use distance of NFC technology is within 20 cm
  • the working frequency is 13.56 MHz
  • the transmission speed includes 106. Kbit/sec, 212 Kbit/sec or 424 Kbit / second three. Therefore, when the NFC module of the wearable device detects the NFC sensor of the paired controlled device, the distance between the two is less than 20 cm, the recognition is a close state, step S200 is performed; if the paired control is not detected The device is identified as a remote state.
  • the wearable device can initiate short-range communication, which acquires the user's electrocardiogram and wirelessly transmits it to the paired controlled device.
  • the controlled device determines that the received ECG matches the template ECG, the controlled device automatically unlocks and enters the main interface to wait for the user to operate; if it does not match, the controlled device turns on the manual unlock mode, and the user needs to manually unlock or enter a password to unlock when the user needs to unlock. .
  • the embodiment of the present invention further provides a system for implementing close-range unlocking according to an electrocardiogram.
  • the system includes a wearable device 10 and a controlled device 20.
  • the wearable device 10 is worn on the user, and can search the controlled device 20, acquire the ECG of the user, and transmit the ECG to the controlled device.
  • the heart rate wristband can be used.
  • the controlled device is a device that needs to be unlocked, such as a car door lock, an access control, a mobile terminal (mobile phone, a tablet computer), and the like.
  • the wearable device 10 includes a connection control module and an electrocardiogram module 120
  • the controlled device 20 includes a communication module 210, a data processing module 220, and an unlock control module 230.
  • the connection control module 110 is connected to the electrocardiogram module 120 and is also wirelessly connected to the communication module 210.
  • the communication module 210, the data processing module 220, and the unlock control module 230 are sequentially connected.
  • connection control module 110 searches for the paired controlled device 20, it is determined whether the controlled device 20 and the wearable device 10 are in a close state or a remote state. When it is determined that it is a close-range state, the connection control module 110 controls the electrocardiogram module 120 to acquire the electrocardiogram of the user, and turns on the short-range communication, and wirelessly transmits the electrocardiogram to the paired controlled device 20.
  • the communication module 210 of the controlled device 20 receives the electrocardiogram sent by the connection control module 110 and transmits it to the data processing module 220.
  • the data processing module 220 determines whether the electrocardiogram matches the template electrocardiogram and outputs the determination result to the unlock control module 230.
  • the unlock control module 230 automatically unlocks when the received electrocardiogram matches the template electrocardiogram, and turns on the manual unlock mode when there is no match.
  • the wearable device 10 further includes an identity matching module 130
  • the controlled device 20 further includes an identity verification module 240.
  • the identity matching module 130 is connected to the connection control module 110, and the identity verification module and the memory are all connected to the communication module 210.
  • the identity matching module 130 identifies the identity information of the controlled device 20 transmitted by the connection control module 110 and encrypts and saves when the wearable device 10 performs initial pairing with the controlled device 20.
  • the identity verification module 240 identifies the identity information of the wearable device 10 transmitted by the communication module 210 and encrypts and saves when the wearable device 10 performs initial pairing with the controlled device 20.
  • the data processing module 220 also saves the initial electrocardiogram of the user transmitted by the wearable device and marks it as a template electrocardiogram.
  • connection control module 110 of the wearable device 10 can adopt a Bluetooth technology
  • the connection control module 110 is a Bluetooth module
  • the communication module 210 of the controlled device is a Bluetooth sensor.
  • the Bluetooth module and the Bluetooth sensor please refer to the above embodiment, which will not be described in detail here.
  • connection control module 110 of the wearable device 10 can also adopt NFC technology, and the connection control module 110 is NFC (Near).
  • NFC Near Field Communication
  • the communication module of the controlled device is an NFC sensor.
  • the working principle of the NFC unit and the NFC sensor please refer to the above embodiment, which will not be described in detail here.
  • the wearable device of the present invention searches for a close-range state between the paired controlled device and the wearable device, the wearable device turns on the short-range communication, acquires the user's electrocardiogram, and wirelessly transmits the device to the controlled device;
  • the device determines that the received ECG is automatically unlocked when it matches the template ECG, it can be automatically unlocked without manual operation by the user, which is convenient for the user to operate. Because the user's unique ECG is used as the key, it is not easy to be mastered or cracked by others, which greatly increases the security.

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  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
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Abstract

一种根据心电图实现近距离解锁的方法及其系统，其方法包括：Ａ、穿戴设备（10）搜索到已配对的受控设备（20）时，判断所述受控设备（20）与穿戴设备（10）之间是近距离状态还是远距离状态；Ｂ、受控设备（20）与穿戴设备（10）之间是近距离状态时，穿戴设备（10）开启近距离通信，获取用户的心电图并无线传输给已配对的受控设备（20）；Ｃ、所述已配对的受控设备（20）判断接收的心电图是否与其存储的模板心电图匹配，匹配时所述受控设备（20）自动解锁。所述的方法无需用户手动操作即可自动解锁，方便用户操作；采用用户唯一的心电图作为受控设备（20）的解锁密钥，不易被他人掌握或破解，增加了安全性。

Description

根据心电图实现近距离解锁的方法及其系统
技术领域
本发明涉及近距离通信、解锁技术，特别涉及一种根据心电图实现近距离解锁的方法及其系统。
背景技术
为了保护私人财产安全或个人隐私，车锁、门锁、屏锁等智能锁控技术越来越普及，对应地解锁方式也不断发展。例如，汽车开动前使用遥控器实现解锁；门禁系统通过扫描指纹、人脸或采用射频卡解锁；移动终端（如手机、平板电脑）通过滑动屏幕、输入密码或按键解锁。
现有的解锁方式一些需要对应的解锁装置，如上述的汽车遥控器、射频卡；其需要用户随时携带并手动操作，不能自动解锁。一旦解锁装置丢失或损坏会给用户带来不便，并且，若解锁装置被他人获得，用户的财产、安全将失去保障。
另一些解锁方式需要人为操作，如门禁的指纹扫描、移动终端的手动解锁；其解锁方式易被他人掌握或破解，安全性能不高，个人信息安全无法得到保障。
目前，各种穿戴设备不断融入人们的生活、工作，提供更多健康，保健，医疗，遥控等丰富的应用，给广大消费者带来了更多的便利，并提升人们的生活质量。目前市面上已出现一款由内置传感器通过脉搏来检测人的心率并绘制出电子心电图的穿戴设备——心率手环。根据专家研究发现，每个人的心电图是唯一的，不与任何他人的心电图重复，其作为图形密码使用，安全性比眼球视网膜、指纹等还要高。根据医学原理，每个人在不同状态下心电图形虽然不同，但其不同之处仅在于心电图的振幅的差异。该款心率手环能按照比例放大或缩小来固定心电图的振幅，其输出的心电图对于用户来说唯一的，不可复制或模仿的，保密性和安全性更高。
因此，本发明采用心电图对现有解锁方式进行改进。
发明内容
鉴于上述现有技术的不足之处，本发明的目的在于提供一种根据心电图实现近距离解锁的方法及其系统，以解决现有解锁方式需要手动操作不能自动解锁，安全性能较差的问题。
为了达到上述目的，本发明采取了以下技术方案：
一种根据心电图实现近距离解锁的方法，其包括：
A、穿戴设备搜索到已配对的受控设备时，判断所述受控设备与穿戴设备之间是近距离状态还是远距离状态；
B、受控设备与穿戴设备之间是近距离状态时，穿戴设备开启近距离通信，获取用户的心电图并无线传输给已配对的受控设备；
C、所述已配对的受控设备判断接收的心电图是否与其存储的模板心电图匹配，匹配时所述受控设备自动解锁。
所述的根据心电图实现近距离解锁的方法中，在所述步骤A之前，还包括：
A0、穿戴设备与受控设备进行初始化配对，相互识别对方的身份信息并加密保存；受控设备保存穿戴设备发送的用户的初始心电图并标记为模板心电图。
所述的根据心电图实现近距离解锁的方法中，所述步骤A采用蓝牙方式搜索第一预设范围内是否存在已配对的受控设备，其具体包括：穿戴设备的蓝牙模块搜索第一预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为近距离状态；否则识别为远距离状态。
所述的根据心电图实现近距离解锁的方法中，所述步骤A具体包括：
A1、穿戴设备的蓝牙模块发射低频信号，在第一预设时间内搜索第一预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为近距离状态；否则执行步骤A2；
A2、所述穿戴设备的蓝牙模块发射高频信号，搜索第二预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为远距离状态，立即返回步骤A1；否则，在第二预设时间达到后返回步骤A1。
所述的根据心电图实现近距离解锁的方法中，所述步骤A采用NFC方式搜索预设范围内是否存在已配对的受控设备，其具体包括：穿戴设备的NFC模块检测到已配对的受控设备的NFC传感器时，识别为近距离状态；若没有检测到已配对的受控设备，则识别为远距离状态。
所述的根据心电图实现近距离解锁的方法中，所述步骤C还包括：当接收的心电图与预设心电图不匹配时，所述受控设备开启手动解锁模式。
一种用于实现所述的根据心电图实现近距离解锁的系统，其包括穿戴设备和受控设备，
所述穿戴设备包括：
连接控制模块，一方面用于搜索到已配对的受控设备时，判断所述受控设备与穿戴设备之间是近距离状态还是远距离状态；另一方面用于在受控设备与穿戴设备之间是近距离状态时，开启近距离通信、并将心电图无线传输给已配对的受控设备；
心电图模块，用于在受控设备与穿戴设备之间是近距离状态时，获取用户的心电图；
所述受控设备包括：
通信模块，用于接收连接控制模块发送的心电图并传输；
数据处理模块，用于判断通信模块传输的心电图是否与模板心电图匹配；
解锁控制模块，用于在接收的心电图与模板心电图匹配时自动解锁；
所述连接控制模块连接心电图模块、还与通信模块无线连接，所述通信模块、数据处理模块、解锁控制模块依次连接。
所述的系统中，
所述穿戴设备还包括：
身份匹配模块，用于在穿戴设备与受控设备进行初始化配对时，识别连接控制模块传输的受控设备的身份信息并加密保存；
所述受控设备还包括：
身份验证模块，用于在穿戴设备与受控设备进行初始化配对时，识别通信模块传输的穿戴设备的身份信息并加密保存；
所述数据处理模块还用于保存穿戴设备发送的用户的初始心电图并标记为模板心电图；
所述身份匹配模块连接连接控制模块，所述身份验证模块、存储器均连接通信模块。
所述的系统中，所述穿戴设备的连接控制模块为蓝牙模块，所述受控设备的通信模块为蓝牙传感器。
所述的系统中，所述穿戴设备的连接控制模块为NFC单元，所述受控设备的通信模块为NFC传感器。
相较于现有技术，本发明提供的根据心电图实现近距离解锁的方法及其系统，通过穿戴设备搜索已配对的受控设备时，判断所述受控设备与穿戴设备之间是近距离状态时开启近距离通信，获取用户的心电图并无线传输给已配对的受控设备；受控设备判断接收的心电图与模板心电图匹配时自动解锁，无需用户手动操作即可自动解锁，方便用户操作；采用用户唯一的心电图作为受控设备的解锁密钥，不易被他人掌握或破解，大大增加了安全性。
附图说明
图1为本发明实施例提供的根据心电图实现近距离解锁的方法流程图。
图2为本发明实施例提供的根据心电图实现近距离解锁的系统的结构框图。
具体实施方式
本发明提供一种根据心电图实现近距离解锁的方法及其系统，为使本发明的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
本发明根据心电图实现近距离解锁的方法采用了近距离通信技术、心电图感应技术以及图像处理技术，在用户与受控设备的距离较近时，以用户的心电图作为受控终端解锁的唯一密钥，对受控终端进行自动解锁，这种解锁方式不易被他人掌握，大大增加了安全性。请参阅图1，所述的根据心电图实现近距离解锁的方法包括以下步骤：
S100、穿戴设备搜索到已配对的受控设备时，判断所述受控设备与穿戴设备之间是近距离状态还是远距离状态；
S200、受控设备与穿戴设备之间是近距离状态时，穿戴设备开启近距离通信，获取用户的心电图并无线传输给已配对的受控设备；
S300、所述已配对的受控设备判断接收的心电图是否与其存储的模板心电图匹配，匹配时所述受控设备自动解锁。
本实施例中，所述穿戴设备通常佩戴在用户身上。在用户靠近受控设备（相当于用户与受控设备的距离比较近，如1米以内）时，能以用户的心电图为解锁的密钥，自动解除受控设备的锁定。
由于现实生活中需要被锁的设备很多，为了减少穿戴设备的工作量，避免其他设备的影响，本实施在所述步骤S100之前，需要先对穿戴设备与受控设备进行初始化配对，相互识别对方的身份信息并加密保存；受控设备保存穿戴设备发送的用户的初始心电图并标记为模板心电图。穿戴设备可与多个受控设备进行初始化配对。穿戴设备在搜索时，自动筛选出已配对成功的受控设备，屏蔽其他设备，大大减少了穿戴设备的搜索时间和搜索功耗。
在具体搜索时，所述穿戴设备可采用蓝牙方式搜索第一预设范围内是否存在已配对的受控设备，其具体包括：穿戴设备的蓝牙模块搜索第一预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为近距离状态；否则识别为远距离状态。
本实施例中，蓝牙的搜索范围小于等于10米，设定穿戴设备与受控设备之间的距离小于1米时为近距离，大于1米则为远距离。则蓝牙搜索的具体方法包括：
步骤1、穿戴设备的蓝牙模块发射低频信号，在第一预设时间内搜索第一预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为近距离状态；否则执行步骤2。
步骤2、所述穿戴设备的蓝牙模块发射高频信号，搜索第二预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为远距离状态，立即返回步骤1；否则，在第二预设时间达到后返回步骤1。
其中，所述第一预设时间为2秒；所述第一预设范围是指0.2米~1米，或1米以内。所述第二预设时间为5秒；所述第二预设范围为小于10米且大于1米。
穿戴设备待机时，蓝牙模块先使用低频信号（其功率低，可传播的距离短）来搜索0.2米~1米内是否有已配对的受控设备，有则穿戴设备与受控设备的距离比较近，相当于受控设备处于用户能触及的距离，为了方便用户解锁，在近距离状态下执行步骤S200。
若2秒后没有发现受控设备， 则蓝牙模块改成高频信号（其功率较大，传播的距离较长）来搜索小于10米且大于1米是否有受控设备，若有，则用户（佩戴了穿戴设备）与受控设备之间存在一定的距离，识别为远距离状态，此时无需对受控设备解锁，用户可能正接近或远离受控设备，需要立即返回步骤1继续以低频信号搜索来判断用户与受控设备之间的距离。若在远距离状态下没有搜索到受控设备，则在5秒后再返回步骤1，以低频信号重新搜索。本实施例以低频、高频交替方式进行搜索，能减少蓝牙模块的功率，节约信号的发射量。
对应地，所述穿戴设备还可采用NFC（Near Field Communication，近距离无线通信）方式搜索预设范围内是否存在已配对的受控设备。NFC技术的有效使用距离为20厘米内，工作频率为13.56MHz，传输速度包括106 Kbit/秒、212 Kbit/秒或者424 Kbit/秒三种。因此，当穿戴设备的NFC模块检测到已配对的受控设备的NFC传感器时，两者之间的距离小于20厘米，识别为近距离状态，执行步骤S200；若没有检测到已配对的受控设备，则识别为远距离状态。
当受控设备与穿戴设备之间是近距离状态时，穿戴设备即可开启近距离通信，其获取用户的心电图并无线传输给已配对的受控设备。受控设备判断接收的心电图与模板心电图匹配时，受控设备自动解锁，进入主界面等待用户操作；若不匹配，则受控设备开启手动解锁模式，用户需要解锁时需要手动解锁或输入密码解锁。
本发明实施例还相应提供一种根据心电图实现近距离解锁的系统，请参阅图2，所述系统包括穿戴设备10和受控设备20。所述穿戴设备10佩戴在用户身上，其能搜索受控设备20、获取用户的心电图并传输给受控设备，具体实施时可采用心率手环。所述受控设备为需要解锁的设备，如汽车门锁，门禁、移动终端（手机、平板电脑）等。
所述穿戴设备10包括连接控制模块和心电图模块120，所述受控设备20包括通信模块210、数据处理模块220和解锁控制模块230。所述连接控制模块110连接心电图模块120、还与通信模块210无线连接，所述通信模块210、数据处理模块220、解锁控制模块230依次连接。
其中，连接控制模块110搜索到已配对的受控设备20时，判断所述受控设备20与穿戴设备10之间是近距离状态还是远距离状态。在判断为是近距离状态时，连接控制模块110控制心电图模块120获取用户的心电图，并开启近距离通信，将所述心电图无线传输给已配对的受控设备20。
所述受控设备20的通信模块210接收连接控制模块110发送的心电图并传输给数据处理模块220。数据处理模块220判断所述心电图是否与模板心电图匹配并输出判断结果给解锁控制模块230。解锁控制模块230在接收的心电图与模板心电图匹配时自动解锁，不匹配时开启手动解锁模式。
为了减少穿戴设备的工作量，屏蔽其他设备，所述穿戴设备10还包括身份匹配模块130，所述受控设备20还包括身份验证模块240。所述身份匹配模块130连接连接控制模块110，所述身份验证模块、存储器均连接通信模块210。身份匹配模块130在穿戴设备10与受控设备20进行初始化配对时，识别连接控制模块110传输的受控设备20的身份信息并加密保存。身份验证模块240在穿戴设备10与受控设备20进行初始化配对时，识别通信模块210传输的穿戴设备10的身份信息并加密保存。数据处理模块220还保存穿戴设备发送的用户的初始心电图并标记为模板心电图。
在具体实施时，所述穿戴设备10的连接控制模块110可采用蓝牙技术，则所述连接控制模块110为蓝牙模块，对应地所述受控设备的通信模块210为蓝牙传感器。蓝牙模块和蓝牙传感器的工作原理请参见上述实施例，此处对此不作详述。
对应地，所述穿戴设备10的连接控制模块110还可采用NFC技术，则所述连接控制模块110为NFC（Near Field Communication，近场通信）单元，所述受控设备的通信模块为NFC传感器。NFC单元和NFC传感器的工作原理请参见上述实施例，此处对此不作详述。
综上所述，本发明提供的穿戴设备搜索已配对的受控设备与穿戴设备之间是近距离状态时，穿戴设备开启近距离通信，获取用户的心电图并无线传输给受控设备；受控设备判断接收的心电图与模板心电图匹配时自动解锁，无需用户手动操作即可自动解锁，方便用户操作；由于采用用户唯一的心电图作为密钥，其不易被他人掌握或破解，大大增加了安全性。
可以理解的是，对本领域普通技术人员来说，可以根据本发明的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本发明所附的权利要求的保护范围。

Claims (15)

  1. 一种根据心电图实现近距离解锁的方法，其特征在于，包括：
    A、穿戴设备搜索到已配对的受控设备时，判断所述受控设备与穿戴设备之间是近距离状态还是远距离状态；
    B、受控设备与穿戴设备之间是近距离状态时，穿戴设备开启近距离通信，获取用户的心电图并无线传输给已配对的受控设备；
    C、所述已配对的受控设备判断接收的心电图是否与其存储的模板心电图匹配，匹配时所述受控设备自动解锁。
  2. 根据权利要求1所述的根据心电图实现近距离解锁的方法，其特征在于，在所述步骤A之前，还包括：
    A0、穿戴设备与受控设备进行初始化配对，相互识别对方的身份信息并加密保存；受控设备保存穿戴设备发送的用户的初始心电图并标记为模板心电图。
  3. 根据权利要求1所述的根据心电图实现近距离解锁的方法，其特征在于，所述步骤A采用蓝牙方式搜索第一预设范围内是否存在已配对的受控设备，其具体包括：穿戴设备的蓝牙模块搜索第一预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为近距离状态；否则识别为远距离状态。
  4. 根据权利要求3所述的根据心电图实现近距离解锁的方法，其特征在于，所述步骤A具体包括：
    A1、穿戴设备的蓝牙模块发射低频信号，在第一预设时间内搜索第一预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为近距离状态；否则执行步骤A2；
    A2、所述穿戴设备的蓝牙模块发射高频信号，搜索第二预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为远距离状态，立即返回步骤A1；否则，在第二预设时间达到后返回步骤A1。
  5. 根据权利要求1所述的根据心电图实现近距离解锁的方法，其特征在于，所述步骤A采用NFC方式搜索预设范围内是否存在已配对的受控设备，其具体包括：穿戴设备的NFC模块检测到已配对的受控设备的NFC传感器时，识别为近距离状态；若没有检测到已配对的受控设备，则识别为远距离状态。
  6. 根据权利要求1所述的根据心电图实现近距离解锁的方法，其特征在于，所述步骤C还包括：当接收的心电图与预设心电图不匹配时，所述受控设备开启手动解锁模式。
  7. 一种根据心电图实现近距离解锁的方法，其特征在于，包括：
    A0、穿戴设备与受控设备进行初始化配对，相互识别对方的身份信息并加密保存；受控设备保存穿戴设备发送的用户的初始心电图并标记为模板心电图；穿戴设备在搜索时，自动筛选出已配对成功的受控设备，屏蔽其他设备；
    A、穿戴设备搜索到已配对的受控设备时，判断所述受控设备与穿戴设备之间是近距离状态还是远距离状态；
    B、受控设备与穿戴设备之间是近距离状态时，穿戴设备开启近距离通信，获取用户的心电图并无线传输给已配对的受控设备；
    C、所述已配对的受控设备判断接收的心电图是否与其存储的模板心电图匹配，匹配时所述受控设备自动解锁；
    所述步骤C还包括：当接收的心电图与预设心电图不匹配时，所述受控设备开启手动解锁模式。
  8. 根据权利要求7所述的根据心电图实现近距离解锁的方法，其特征在于，所述步骤A采用蓝牙方式搜索第一预设范围内是否存在已配对的受控设备，其具体包括：穿戴设备的蓝牙模块搜索第一预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为近距离状态；否则识别为远距离状态。
  9. 根据权利要求8所述的根据心电图实现近距离解锁的方法，其特征在于，所述步骤A具体包括：
    A1、穿戴设备的蓝牙模块发射低频信号，在第一预设时间内搜索第一预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为近距离状态；否则执行步骤A2；
    A2、所述穿戴设备的蓝牙模块发射高频信号，搜索第二预设范围内是否存在已配对的受控设备的蓝牙传感器：若存在，则识别为远距离状态，立即返回步骤A1；否则，在第二预设时间达到后返回步骤A1。
  10. 根据权利要求7所述的根据心电图实现近距离解锁的方法，其特征在于，所述步骤A采用NFC方式搜索预设范围内是否存在已配对的受控设备，其具体包括：穿戴设备的NFC模块检测到已配对的受控设备的NFC传感器时，识别为近距离状态；若没有检测到已配对的受控设备，则识别为远距离状态。
  11. 根据权利要求9所述的根据心电图实现近距离解锁的方法，其特征在于，所述第一预设时间为2秒；所述第一预设范围是指0.2米~1米，或1米以内；所述第二预设时间为5秒；所述第二预设范围为小于10米且大于1米。
  12. 一种用于实现权利要求1所述的根据心电图实现近距离解锁的系统，其特征在于，包括穿戴设备和受控设备，
    所述穿戴设备包括：
    连接控制模块，一方面用于搜索到已配对的受控设备时，判断所述受控设备与穿戴设备之间是近距离状态还是远距离状态；另一方面用于在受控设备与穿戴设备之间是近距离状态时，开启近距离通信、并将心电图无线传输给已配对的受控设备；
    心电图模块，用于在受控设备与穿戴设备之间是近距离状态时，获取用户的心电图；
    所述受控设备包括：
    通信模块，用于接收连接控制模块发送的心电图并传输；
    数据处理模块，用于判断通信模块传输的心电图是否与模板心电图匹配；
    解锁控制模块，用于在接收的心电图与模板心电图匹配时自动解锁；
    所述连接控制模块连接心电图模块、还与通信模块无线连接，所述通信模块、数据处理模块、解锁控制模块依次连接。
  13. 根据权利要求12所述的系统，其特征在于，
    所述穿戴设备还包括：
    身份匹配模块，用于在穿戴设备与受控设备进行初始化配对时，识别连接控制模块传输的受控设备的身份信息并加密保存；
    所述受控设备还包括：
    身份验证模块，用于在穿戴设备与受控设备进行初始化配对时，识别通信模块传输的穿戴设备的身份信息并加密保存；
    所述数据处理模块还用于保存穿戴设备发送的用户的初始心电图并标记为模板心电图；
    所述身份匹配模块连接连接控制模块，所述身份验证模块、存储器均连接通信模块。
  14. 根据权利要求12所述的系统，其特征在于，所述穿戴设备的连接控制模块为蓝牙模块，所述受控设备的通信模块为蓝牙传感器。
  15. 根据权利要求12所述的系统，其特征在于，所述穿戴设备的连接控制模块为NFC单元，所述受控设备的通信模块为NFC传感器。
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