CN105147276B - Electrocardio interactive processing system and method based on Android and cloud computing - Google Patents
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Abstract
Description
技术领域technical field
本发明涉及一种基于Android和云计算的心电交互处理系统及方法，更具体的说，尤其涉及一种可实时地对用户的心电数据进行采集、上传和显示并且可实现用户与医生在线沟通的基于Android和云计算的心电交互处理系统及方法。The present invention relates to an electrocardiogram interactive processing system and method based on Android and cloud computing, and more specifically, to a system that can collect, upload and display the user's electrocardiogram data in real time and can realize online communication between the user and the doctor. A system and method for communicating ECG interaction based on Android and cloud computing.
背景技术Background technique
心电图是利用心电图机从体表记录心脏每一心动周期所产生的电活动变化图形的技术，从一定程度上客观反映了心脏的生理状况，是诊断心血管疾病的重要方法之一。对诊断急性心肌梗塞、心肌缺血、房室肥大和传导障碍等疾病有着重要价值。Electrocardiography is a technology that uses an electrocardiograph to record the electrical activity changes generated by each cardiac cycle of the heart from the body surface. It objectively reflects the physiological condition of the heart to a certain extent and is one of the important methods for diagnosing cardiovascular diseases. It is of great value in the diagnosis of acute myocardial infarction, myocardial ischemia, atrioventricular hypertrophy and conduction disorders and other diseases.
Android是由谷歌2007年发布的基于Linux内核的操作系统，Android平台具备极大的开放性、兼容性和完整性，为开发人员提供了非常便捷的开发环境，受到了市场的热捧，是移动通信技术领域的研究热点。Android is an operating system based on the Linux kernel released by Google in 2007. The Android platform has great openness, compatibility and integrity, and provides developers with a very convenient development environment. Research hotspots in the field of communication technology.
云计算是一种商业计算模型，它将计算任务分布在大量计算机构成的资源池上，使用户能够按需获取计算力、存储空间和信息服务，这种资源池就被称为“云”。云计算平台具有超大规模、虚拟化、通用性、高可靠性、高可伸缩性、按需服务和极其廉价的优势。Cloud computing is a business computing model that distributes computing tasks on a resource pool composed of a large number of computers, enabling users to obtain computing power, storage space and information services on demand. This resource pool is called "cloud". The cloud computing platform has the advantages of ultra-large scale, virtualization, versatility, high reliability, high scalability, on-demand service and extremely low cost.
现有心电图机绝大多数不具备网络功能，更不具备云计算平台数据共享功能，用户使用传统心电图机无法实时的与在异地的医生、子女进行共享。由于心电图信号的特殊性，在数据采集时需要保证数据的连续性，以保证所绘制出来的心电图波形准确无误，确保医疗诊断的正确性。Most of the existing electrocardiographs do not have the network function, let alone the data sharing function of the cloud computing platform. The traditional electrocardiograph cannot be used by users to share it with doctors and children in different places in real time. Due to the particularity of the electrocardiogram signal, it is necessary to ensure the continuity of the data during data collection, so as to ensure the accuracy of the drawn electrocardiogram waveform and the correctness of medical diagnosis.
通常情况下，心电图信号由心电波形数据和心电参数数据组成，其代表着心电信号两种不同的信息，在数据传输过程时，需要保证在接收端能正确将心电波形数据和心电参数数据分离开来，否者无法还原原始的心电 图数据，造成数据传输失败。Normally, the ECG signal is composed of ECG waveform data and ECG parameter data, which represent two different types of ECG signal information. During data transmission, it is necessary to ensure that the ECG waveform data and ECG The electrical parameter data is separated, otherwise the original ECG data cannot be restored, resulting in data transmission failure.
发明内容Contents of the invention
本发明为了克服上述技术问题的缺点，提供了一种基于Android和云计算的心电交互处理系统及方法。In order to overcome the disadvantages of the above-mentioned technical problems, the present invention provides an electrocardiogram interactive processing system and method based on Android and cloud computing.
本发明的基于Android和云计算的心电交互处理系统，其特别之处在于：包括心电图测量模块、Android主控板和云计算平台，所述心电图测量模块由模拟多路复用器、微处理器、多路传感信号放大电路以及多个导联电极组成，导联电极置于人体相应部位以实现心电信号测量；导联电极的输出经传感信号放大电路的处理后，接于模拟多路复用器的输入端，模拟多路复用器的输出依次经信号放大电路、滤波电路、模拟数字转换器的处理后输入至微处理器；微处理器对输入的心电信号处理后形成心电波形数据和心电参数数据，并经串口通信将其发送至Android主控板；The electrocardiographic interactive processing system based on Android and cloud computing of the present invention is characterized in that it includes an electrocardiogram measurement module, an Android main control board and a cloud computing platform, and the electrocardiogram measurement module is composed of an analog multiplexer, a microprocessor It is composed of a device, a multi-channel sensor signal amplifier circuit and a plurality of lead electrodes. The lead electrodes are placed on the corresponding parts of the human body to realize ECG signal measurement; the output of the lead electrodes is processed by the sensor signal amplifier circuit and then connected to the analog The input terminal of the multiplexer, the output of the analog multiplexer is input to the microprocessor after being processed by the signal amplification circuit, the filter circuit and the analog-to-digital converter in turn; the microprocessor processes the input ECG signal Form ECG waveform data and ECG parameter data, and send them to the Android main control board through serial port communication;
所述Android主控板用于运行Android应用程序，并具有采集、运算和控制作用，Android主控板连接有液晶显示屏、3G/4G/WIFI网络模块和身份证刷卡模块；Android主控板通过液晶显示屏将采集的心电信号以波形的形式显示出来，通过身份证刷卡模块验证用户身份，通过3G/4G/WIFI网络模块将接收的心电波形数据和心电参数数据以无线通信的形式上传至云计算平台；The Android main control board is used to run the Android application program, and has collection, calculation and control functions. The Android main control board is connected with a liquid crystal display, a 3G/4G/WIFI network module and an ID card swiping module; the Android main control board passes through The LCD screen displays the collected ECG signals in the form of waveforms, verifies the user's identity through the ID card swiping module, and transmits the received ECG waveform data and ECG parameter data in the form of wireless communication through the 3G/4G/WIFI network module Upload to the cloud computing platform;
云计算平台对用户身份信息进行管理，对Android主控板上传的心电波形数据和心电参数数据进行保存和处理；Android主控板上设置有摄像头和语音设备，用户利用Android主控板通过云计算平台可与医生进行视频、语音和/或短消息沟通，以对用户的病情进行远端指导。The cloud computing platform manages user identity information, saves and processes the ECG waveform data and ECG parameter data uploaded by the Android main control board; the Android main control board is equipped with a camera and voice equipment, and the user uses the Android main control board to pass The cloud computing platform can communicate with doctors via video, voice and/or short messages to provide remote guidance on the user's condition.
本发明的基于Android和云计算的心电交互处理系统，所述导联电极的数量为5个，以实现对用户的五导联心电波信号进行测量。In the ECG interactive processing system based on Android and cloud computing of the present invention, the number of the lead electrodes is five, so as to realize the measurement of the user's five-lead ECG signals.
本发明的基于Android和云计算的心电交互处理系统的处理方法，其特别之处在于，通过以下步骤来实现：a).导联电极的固定，用户根据心电信号测量时导联电极的固定方式，将其固定于身体的相应部位，然后保持平静和正确姿势，以便对心电信号进行测量；b).身份验证，用户通过将身 份证靠近身份证刷卡模块的方式输入身份证信息，Android主控板将获取的身份证信息通过3G/4G/WIFI网络模块上传至云计算平台，以请求登录；c).验证用户是否合法，云计算平台收到上传的身份证信息后，验证其是否合法，并返回验证结果；如果验证通过，则执行步骤d)；d).发送心电数据，用户的身份证信息验证通过后，云计算平台返回客户的网络ID至Android主控板，并进入Android主控板的心电信号测量界面，心电图测量模块将采集由心电波形数据和心电参数数据组成的心电信号发送至Android主控板的串口缓冲区；设心电图测量模块的心电信号采集频频为f；e).心电数据的接收，Android主控板通过以下步骤接收心电图测量模块发送的心电信号：e-1).缓冲区的清空，Android主控板从串口缓冲区读取数据之前，首先清空串口缓冲区中的历史数据，以确保心电图数据的实时性；e-2).心电数据的读取，从串口缓冲区被清空开始计算Tms后读取一次数据，每次均将缓冲区中的数据全部读出，以保证心电图数据的连续性；由公式(1)可计算出每TmsAndroid主控板可获取的心电信号数目k：The processing method of the electrocardiographic interactive processing system based on Android and cloud computing of the present invention is characterized in that it is realized by the following steps: a). The fixing of the lead electrodes, when the user measures the electrocardiogram according to the electrocardiographic signal Fixed way, fix it on the corresponding part of the body, and then keep calm and correct posture, so as to measure the ECG signal; b). Identity verification, the user enters the ID card information by putting the ID card close to the ID card swiping module, The Android main control board uploads the acquired ID card information to the cloud computing platform through the 3G/4G/WIFI network module to request login; c). Verify that the user is legal. After receiving the uploaded ID card information, the cloud computing platform verifies its Whether it is legal, and return the verification result; if the verification is passed, then perform step d); d). After sending the ECG data, after the user's ID card information is verified, the cloud computing platform returns the customer's network ID to the Android main control board, and Enter the ECG signal measurement interface of the Android main control board, and the ECG measurement module will collect the ECG signal composed of ECG waveform data and ECG parameter data and send it to the serial port buffer of the Android main control board; The frequency of signal acquisition is f; e). The reception of ECG data, the Android main control board receives the ECG signal sent by the ECG measurement module through the following steps: e-1). Before reading the data, first clear the historical data in the serial port buffer to ensure the real-time performance of the ECG data; e-2). To read the ECG data, read the data once after the Tms is calculated from the serial port buffer being emptied, All the data in the buffer are read out every time to ensure the continuity of the ECG data; the number k of ECG signals that can be obtained by each TmsAndroid main control board can be calculated by the formula (1):
f为心电图测量模块的心电信号采集频频，f＝250bps，k＝10；f is the electrocardiographic signal acquisition frequency of the electrocardiogram measurement module, f=250bps, k=10;
e-3).数据存储，Android主控板建立队列数据结构，将采集的心电信号以采集时间的前后顺序存入数据队列中；f).心电图的绘制，用户可通过Android主控板对心电图的模式设置、导联设置、增益设置参数进行设定，以显示符合自身要求的心电图；Android主控板每Tms绘制一次心电图，每次心电图绘制k组心电数据，这种心电图的绘制方法不仅可保证串口缓冲区内数据不溢出，同时也保证了心电图绘制的实时性和连贯性；g).心电数据的上传，Android主控板通过3G/4G/WIFI网络模块将获取的心电数据上传至云计算平台，通过以下步骤来实现：g-1).截取心电数据，用户通过Android主控板作出心电图保存功能后，Android主控板从实时采集的心电数据中截取时长为ts的心电数据，心电数据由心电波形数据和心电参数数 据组成；g-2).心电数据的加密，Android主控板将步骤g-1)中截取的心电波形数据按照导联形式进行base64编码和公钥加密，将截取的心电参数数据按照类型进行base64编码和公钥加密；g-3).心电数据的发送，编码和加密后的心电波形数据、心电参数数据和用户ID采用HTTP协议POST方式发送至云计算平台；g-4).数据的分离，云计算平台接收到Android主控板发送的心电数据后，首先分离出心电波形数据、心电参数数据和用户ID；g-5).数据的解密和解码，云计算平台对步骤g-4)中获取的心电波形数据和心电参数数据进行私钥解密和base64解码，得到心电图原始数据，并将得到的数据按照用户ID存储到云计算平台的数据库中；h).在线服务，在用户需要医生对当前病情实时指导的情况下，用户通过Android主控板向医生发出申请，申请通过后用户可与医生进行视频、语音和/或信息沟通，医生根据授权对用户当前的心电图信号进行查看，并对用户作出合理医疗指导。e-3). Data storage, the Android main control board establishes a queue data structure, and stores the collected ECG signals in the data queue in the order of the collection time; f). The drawing of the electrocardiogram, the user can use the Android main control board to The ECG mode setting, lead setting, and gain setting parameters are set to display an ECG that meets its own requirements; the Android main control board draws an ECG every Tms, and draws k groups of ECG data for each ECG. This ECG drawing method Not only can it ensure that the data in the serial port buffer does not overflow, but also ensure the real-time and continuity of the ECG drawing; g). Upload ECG data, and the Android main control board will obtain the ECG data through the 3G/4G/WIFI network module The data is uploaded to the cloud computing platform, which is realized by the following steps: g-1). Intercept ECG data. After the user performs the ECG saving function through the Android main control board, the Android main control board intercepts the ECG data from the real-time collection. The ECG data of ts, ECG data is made up of ECG waveform data and ECG parameter data; Conduct base64 encoding and public key encryption in the lead form, base64 encoding and public key encryption on the intercepted ECG parameter data according to the type; g-3). Sending of ECG data, encoded and encrypted ECG waveform data, ECG The electrical parameter data and user ID are sent to the cloud computing platform using the HTTP protocol POST method; g-4). Data separation, after the cloud computing platform receives the ECG data sent by the Android main control board, it first separates the ECG waveform data, ECG parameter data and user ID; g-5). Decryption and decoding of data, the cloud computing platform performs private key decryption and base64 decoding on the ECG waveform data and ECG parameter data obtained in step g-4), and obtains an ECG Raw data, and store the obtained data in the database of the cloud computing platform according to the user ID; h). Online service, when the user needs real-time guidance from the doctor on the current condition, the user sends an application to the doctor through the Android main control board, After the application is approved, the user can communicate with the doctor via video, voice and/or information. The doctor can check the user's current ECG signal according to the authorization, and give reasonable medical guidance to the user.
本发明的基于Android和云计算的心电交互处理系统的处理方法，步骤c)中所述的验证用户是否合法通过以下步骤来实现：c-1).判断用户是否合法，云计算平台接收到Android主控板上传的身份证信息后，通过判断其是否存储有该用户的身份证信息，来判断是否是合法用户，如果用户信息存在，则执行步骤c-2)；如果用户信息不存在，则执行步骤c-3)；c-2).判断用户名或密码是否正确，云计算平台判断用户输入的用户名和密码与存储的是否一致，如果一致，则用户验证通过，发送用户登录成功信息至Android主控板；如果密码不一致，则执行步骤c-4)；c-3).用户注册，发出“用户不存在的”信息至Android主控板，并提示用户进行新用户注册；用户按照步骤c-3-1)至c-3-3)进行注册：c-3-1)用户通过Android主控板根据用户身份证信息向云计算平台发送新用户注册信息，用户名为用户身份证号，默认登录密码为身份证号后六位；c-3-2)云计算平台收到新用户注册信息，通过存储用户信息完成新用户注册，并返回用户注册结果；c-3-3)用户收到“用户注册成功”信息后完成新用户注册，并自动登录进入心电 测量界面；c-4).重新输入信息，云计算平台向Android主控板发送“用户名或密码错误”信息，以提示用户重新输入用户名和密码。In the processing method of the ECG interactive processing system based on Android and cloud computing of the present invention, whether the verification user described in step c) is legal is realized through the following steps: c-1). Judging whether the user is legal, the cloud computing platform receives After the ID card information uploaded by the Android main control board, judge whether it is a legitimate user by judging whether it stores the ID card information of the user, if the user information exists, then perform step c-2); if the user information does not exist, Then execute step c-3); c-2). To judge whether the user name or password is correct, the cloud computing platform judges whether the user name and password entered by the user are consistent with the stored ones. If they are consistent, the user verification is passed and the user login success message is sent To the Android main control board; if the passwords are inconsistent, then perform step c-4); c-3). User registration, send the "user does not exist" message to the Android main control board, and prompt the user to register a new user; the user follows the Step c-3-1) to c-3-3) to register: c-3-1) the user sends new user registration information to the cloud computing platform through the Android main control board according to the user ID information, and the user name is the user ID card number, the default login password is the last six digits of the ID number; c-3-2) The cloud computing platform receives the new user registration information, completes the new user registration by storing the user information, and returns the user registration result; c-3-3) The user completes the new user registration after receiving the "user registration successful" message, and automatically logs into the ECG measurement interface; c-4). Re-enter the information, and the cloud computing platform sends the "username or password error" message to the Android main control board , to prompt the user to re-enter their username and password.
本发明的基于Android和云计算的心电交互处理系统的处理方法，步骤d)中所述的心电波形数据的采集频率为250bps，每组数据包括导联I、导联II、导联III、导联aVR、导联aVL、导联aVF和导联V波形幅度值；所述心电参数数据的采集频率为1bps，其包括心电状态、心率值、呼吸率值、ST段电压值以及异常心率代码，异常心率代码包括停搏、室颤/室速、R ON T、多个室早、成对室早、单个室早、二联律、三联律、心动过速、心动过缓、漏搏。The processing method of the ECG interactive processing system based on Android and cloud computing of the present invention, the acquisition frequency of the ECG waveform data described in step d) is 250bps, and each group of data includes lead I, lead II, lead III , lead aVR, lead aVL, lead aVF and lead V waveform amplitude value; the acquisition frequency of the ECG parameter data is 1bps, which includes ECG state, heart rate value, respiration rate value, ST segment voltage value and Abnormal heart rate codes, abnormal heart rate codes include asystole, ventricular fibrillation/ventricular tachycardia, R ON T, multiple premature ventricle, paired premature ventricle, single premature ventricle, bigeminy, triplet, tachycardia, bradycardia, missed beat.
本发明的基于Android和云计算的心电交互处理系统的处理方法，步骤h)中设用户A要向医生B发送申请，所述的在线服务通过以下步骤来实现：h-1).发送指导申请，用户A根据自己的实际需求，向医生B发出需要在线进行指导的VIP申请；h-2).拒绝或接受申请，医生B收到用户A发送的VIP申请后，根据实际情况，若接受则向用户A发出接受消息，若拒绝则发出拒绝消息；h-3).用户授权，用户A成为医生的VIP用户后，通过Android主控板授权医生B查看自己的心电数据；h-4).数据分析，医生B被授权后查看用户A的心电数据，并对用户A心电数据进行分析，以视频、语音或信息的形式向用户A发出分析结果，实现对用户的远程诊断和指导。In the processing method of the ECG interactive processing system based on Android and cloud computing of the present invention, in step h), it is assumed that user A wants to send an application to doctor B, and the online service is realized through the following steps: h-1). Sending guidance To apply, user A sends a VIP application to doctor B for online guidance according to his actual needs; h-2). To reject or accept the application, after doctor B receives the VIP application sent by user A, according to the actual situation, if he accepts Send an acceptance message to user A, and send a rejection message if rejected; h-3). After user authorization, user A becomes a VIP user of the doctor, and authorizes doctor B to check his ECG data through the Android main control board; h-4 ). Data analysis, doctor B is authorized to check the ECG data of user A, analyze the ECG data of user A, and send the analysis results to user A in the form of video, voice or information, so as to realize remote diagnosis and guide.
本发明的基于Android和云计算的心电交互处理系统的处理方法，步骤f)中所述的模式设置可在监护模式、诊断模式和手术模式中任选其一，所述的导联设置为在导联I、导联II、导联III、导联aVR、导联aVL、导联aVF和导联V中同时选择n个导联，1≤n≤7；所述的增益设置为在0.5倍增益、1倍增益和2倍增益中选择其一，选定后心电图纵坐标做对应的增益放大。In the processing method of the ECG interactive processing system based on Android and cloud computing of the present invention, the mode setting described in step f) can be selected in monitoring mode, diagnosis mode and operation mode, and the described lead is set to Select n leads simultaneously from lead I, lead II, lead III, lead aVR, lead aVL, lead aVF and lead V, 1≤n≤7; the gain is set at 0.5 Choose one of the multiplier gain, 1-fold gain and 2-fold gain, and after selection, the corresponding gain will be amplified on the ordinate of the ECG.
本发明的基于Android和云计算的心电交互处理系统的处理方法，步骤g)中所述的ts＝8s。In the processing method of the ECG interactive processing system based on Android and cloud computing of the present invention, ts=8s described in step g).
本发明的有益效果是：本发明的基于Android和云计算的心电交互处理系统及其处理方法，通过心电图测量模块对用户的心电波形数据和心电 参数数据进行测量，Android主控板采用先清空再取数据的形式获取心电信号数据，再对采用对心电波形数据和心电参数数据分别编码和加密，通过无线网络上传至数据云计算平台；由于心电波形与心电参数采用分开编码和加密的形式，保证了接收端对心电图数据的还原，保证了数据传输的正确性。云计算平台对接收的数据进行存储，用户通过Android控制板、医生通过上网设备可实现用户与医生的在线交流，医生通过查看用户的实时心电数据对用户作出合理医疗指导。The beneficial effects of the present invention are: the ECG interactive processing system and processing method based on Android and cloud computing of the present invention measure the user's ECG waveform data and ECG parameter data through the ECG measurement module, and the Android main control board adopts First clear and then take the form of data to obtain the ECG signal data, and then encode and encrypt the ECG waveform data and ECG parameter data respectively, and upload them to the data cloud computing platform through the wireless network; since the ECG waveform and ECG parameters use The form of separate encoding and encryption ensures the restoration of the ECG data at the receiving end and the correctness of data transmission. The cloud computing platform stores the received data. The user can communicate with the doctor online through the Android control panel and the doctor through the Internet device. The doctor can give reasonable medical guidance to the user by viewing the real-time ECG data of the user.
本发明的基于Android和云计算的心电交互处理系统及其处理方法，将传统心电图采集方式与时下流行的Android移动平台和云计算平台相结合，实现了心电图的实时解析、绘制、传输和授权共享，可作为一种有效的移动医疗设备，积极的推动了医疗信息化进程。The ECG interactive processing system and its processing method based on Android and cloud computing of the present invention combine the traditional ECG acquisition method with the popular Android mobile platform and cloud computing platform, and realize the real-time analysis, drawing, transmission and authorization of ECG Sharing, as an effective mobile medical device, actively promotes the process of medical informationization.
附图说明Description of drawings
图1为本发明的基于Android和云计算的心电交互处理系统的原理图；Fig. 1 is the schematic diagram of the ECG interactive processing system based on Android and cloud computing of the present invention;
图2为本发明中用户的身份验证和注册的流程图；Fig. 2 is the flow chart of user's authentication and registration in the present invention;
图3为本发明中心电数据的获取和心电图的绘制流程图；Fig. 3 is the flow chart of the acquisition of central electrical data and the drawing of electrocardiogram of the present invention;
图4为本发明中心电数据的上传流程图；Fig. 4 is the flow chart of uploading the electrical data of the center of the present invention;
图5为本发明中用户与医生实时交互的流程图；Fig. 5 is the flowchart of real-time interaction between user and doctor in the present invention;
图6为本发明中Android主控板通过液晶显示屏所显示的心电图波形。Fig. 6 is the electrocardiogram waveform displayed by the Android main control board through the liquid crystal display screen in the present invention.
具体实施方式detailed description
下面结合附图与实施例对本发明作进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
如图1所示，给出了发明的基于Android和云计算的心电交互处理系统的原理图，其由心电图测量模块、Android主控板和云计算平台组成，心电图测量模块由导联电极、传感信号放大电路、模拟多路复用器、信号放大器、滤波电路、模拟数字转换器和微处理器组成。导联电极的数量为5个，每个导联电极均经过一个传感信号放大电路的处理，然后接于模拟多路复用器的输入端；模拟多路复用器的输出依次经信号放大器、滤波电路、模拟数字转换器的信号放大、滤波以及数/模转换后，输出至微处理器中，微处理器将输入的心电信号处理后形成心电波形数据和心电参数数据，并 经串口通信将其发送至Android主控板。As shown in Figure 1, the schematic diagram of the inventive ECG interactive processing system based on Android and cloud computing is given. It consists of an ECG measurement module, an Android main control board and a cloud computing platform. The ECG measurement module consists of lead electrodes, It consists of sensing signal amplifying circuit, analog multiplexer, signal amplifier, filter circuit, analog-to-digital converter and microprocessor. The number of lead electrodes is 5, and each lead electrode is processed by a sensing signal amplification circuit, and then connected to the input terminal of the analog multiplexer; the output of the analog multiplexer is sequentially passed through the signal amplifier , filter circuit, analog-to-digital converter signal amplification, filtering, and digital/analog conversion, output to the microprocessor, and the microprocessor processes the input ECG signal to form ECG waveform data and ECG parameter data, and Send it to the Android main control board through serial communication.
Android主控板用于接收微处理器发送的心电波形数据和心电参数数据，Android主控板连接有液晶显示屏、3G/4G/WIFI网络模块和身份证刷卡模块，，Android主控板将接收的心电数据转化为心电图波形的形式通过液晶显示屏显示出来，以便形象、直观地观察用户的心电状况。Android主控板通过身份证刷卡模块对用户的身份进行验证，以确保经过注册的合法用户才能使用；Android主控板通过3G/4G/WIFI网络将经过加密和编码后的心电数据以无线的形式上传至远端的云计算平台。The Android main control board is used to receive the ECG waveform data and ECG parameter data sent by the microprocessor. The Android main control board is connected with an LCD screen, a 3G/4G/WIFI network module and an ID card swiping module. The Android main control board Convert the received ECG data into the form of ECG waveform and display it on the LCD screen, so as to visually and intuitively observe the user's ECG status. The Android main control board verifies the identity of the user through the ID card swiping module to ensure that only registered legal users can use it; the Android main control board transmits the encrypted and coded ECG data wirelessly through the 3G/4G/WIFI network The form is uploaded to the remote cloud computing platform.
云计算平台对接收的心电数据进行解密和解码处理，还原出原始的心电波形数据和心电参数数据，并进行存储。用户利用Android主控板、医生利用诸如智能手机、PC机等上网设备，通过云计算平台可实现实时沟通，医生通过查看用户的实时心电数据后，可在线对其作出医疗指导。The cloud computing platform decrypts and decodes the received ECG data, restores the original ECG waveform data and ECG parameter data, and stores them. Users use the Android main control board, and doctors use Internet devices such as smartphones and PCs to realize real-time communication through the cloud computing platform. After viewing the real-time ECG data of users, doctors can give medical guidance to them online.
本发明的基于Android和云计算的心电交互处理系统的处理方法，通过以下步骤来实现：The processing method of the ECG interactive processing system based on Android and cloud computing of the present invention is realized by the following steps:
a).导联电极的固定，用户根据心电信号测量时导联电极的固定方式，将其固定于身体的相应部位，然后保持平静和正确姿势，以便对心电信号进行测量；a). Fixing of the lead electrodes. The user fixes the lead electrodes to the corresponding parts of the body according to the fixing method of the lead electrodes during the ECG signal measurement, and then keeps calm and correct posture in order to measure the ECG signals;
b).身份验证，用户通过将身份证靠近身份证刷卡模块的方式输入身份证信息，Android主控板将获取的身份证信息通过3G/4G/WIFI网络模块上传至云计算平台，以请求登录；b). Identity verification. The user enters the ID card information by putting the ID card close to the ID card swiping module, and the Android main control board uploads the obtained ID card information to the cloud computing platform through the 3G/4G/WIFI network module to request login ;
c).验证用户是否合法，云计算平台收到上传的身份证信息后，验证其是否合法，并返回验证结果；如果验证通过，则执行步骤d)；c). Verify whether the user is legal. After receiving the uploaded ID card information, the cloud computing platform verifies whether it is legal and returns the verification result; if the verification is passed, then execute step d);
如图2所示，给出了本发明中用户的身份验证和注册的流程图；该步骤中，验证用户是否合法通过以下步骤来实现：As shown in Figure 2, the flow chart of identity verification and registration of the user among the present invention is provided; In this step, verify whether the user is legally realized through the following steps:
c-1).判断用户是否合法，云计算平台接收到Android主控板上传的身份证信息后，通过判断其是否存储有该用户的身份证信息，来判断是否是合法用户，如果用户信息存在，则执行步骤c-2)；如果用户信息不存在，则执行步骤c-3)；c-1). Judging whether the user is legal. After the cloud computing platform receives the ID card information uploaded by the Android main control board, it judges whether it is a legal user by judging whether it stores the user’s ID card information. If the user information exists , execute step c-2); if the user information does not exist, execute step c-3);
c-2).判断用户名或密码是否正确，云计算平台判断用户输入的用户名和密码与存储的是否一致，如果一致，则用户验证通过，发送用户登录成功信息至Android主控板；如果密码不一致，则执行步骤c-4)；c-2). To judge whether the user name or password is correct, the cloud computing platform judges whether the user name and password entered by the user are consistent with those stored. If inconsistent, execute step c-4);
c-3).用户注册，发出“用户不存在的”信息至Android主控板，并提示用户进行新用户注册；用户按照步骤c-3-1)至c-3-3)进行注册：c-3). User registration, send the message "user does not exist" to the Android main control board, and prompt the user to register a new user; the user registers according to steps c-3-1) to c-3-3):
c-3-1)用户通过Android主控板根据用户身份证信息向云计算平台发送新用户注册信息，用户名为用户身份证号，默认登录密码为身份证号后六位；c-3-1) The user sends new user registration information to the cloud computing platform through the Android main control board according to the user ID information. The user name is the user ID number, and the default login password is the last six digits of the ID number;
c-3-2)云计算平台收到新用户注册信息，通过存储用户信息完成新用户注册，并返回用户注册结果；c-3-2) The cloud computing platform receives the new user registration information, completes the new user registration by storing the user information, and returns the user registration result;
c-3-3)用户收到“用户注册成功”信息后完成新用户注册，并自动登录进入心电测量界面；c-3-3) The user completes the new user registration after receiving the "user registration successful" message, and automatically logs into the ECG measurement interface;
c-4).重新输入信息，云计算平台向Android主控板发送“用户名或密码错误”信息，以提示用户重新输入用户名和密码。c-4). Re-enter the information, and the cloud computing platform sends a message of "username or password error" to the Android main control board to prompt the user to re-enter the user name and password.
d).发送心电数据，用户的身份证信息验证通过后，云计算平台返回客户的网络ID至Android主控板，并进入Android主控板的心电信号测量界面，心电图测量模块将采集由心电波形数据和心电参数数据组成的心电信号发送至Android主控板的串口缓冲区；设心电图测量模块的心电信号采集频频为f；d). Send the ECG data. After the user's ID card information is verified, the cloud computing platform returns the customer's network ID to the Android main control board, and enters the ECG signal measurement interface of the Android main control board. The ECG measurement module will collect data from The ECG signal that ECG waveform data and ECG parameter data form is sent to the serial port buffer of Android main control board; The ECG signal acquisition frequency of setting ECG measurement module is f;
心电图测量模块具有五导联心电波，五级程控增益，三级滤波方式(诊断方式、监护方式、手术方式)，导联脱落报警，心率检测范围15～255BPM，抗除颤及电刀干扰等功能。心电图数据包括心电波形数据和心电参数数据，其中心电波形数据采集频率为250bps，每组数据具体包括导联I、导联II、导联III、导联aVR、导联aVL、导联aVF和导联V波形幅度值；心电参数数据采集频率为1bps，具体包括心电状态、心率值、呼吸率值、ST段电压值以及模块自动分析得到的异常心率代码。心率异常具体包括：停搏、室颤/室速、R ON T、多个室早、成对室早、单个室早、二联律、三联律、心 动过速、心动过缓、漏搏等。进行心电信号测量时，用户需正确连接心电导联，保持平静和正确姿势，开始对用户心电测量。The electrocardiogram measurement module has five-lead ECG, five-level programmable gain, three-level filtering mode (diagnostic mode, monitoring mode, and surgical mode), lead-off alarm, heart rate detection range 15-255BPM, anti-defibrillation and electrosurgical interference, etc. Function. ECG data includes ECG waveform data and ECG parameter data. The acquisition frequency of ECG waveform data is 250bps. Each set of data specifically includes lead I, lead II, lead III, lead aVR, lead aVL, lead AVF and lead V waveform amplitude values; ECG parameter data acquisition frequency is 1bps, including ECG status, heart rate value, respiration rate value, ST segment voltage value and abnormal heart rate code obtained by automatic analysis of the module. Abnormal heart rate specifically includes: asystole, ventricular fibrillation/ventricular tachycardia, R ON T, multiple premature ventricle, paired premature ventricle, single premature ventricle, bigeminy, triplet, tachycardia, bradycardia, missed beat, etc. . When measuring the ECG signal, the user needs to connect the ECG lead correctly, keep calm and correct posture, and start to measure the user's ECG.
e).心电数据的接收，Android主控板通过以下步骤接收心电图测量模块发送的心电信号：e). The reception of ECG data, the Android main control board receives the ECG signal sent by the ECG measurement module through the following steps:
如图3所示，给出了本发明中心电数据的获取和心电图的绘制流程图，其通过以下步骤来实现：As shown in Figure 3, the drawing flowchart of the acquisition of ECG data and electrocardiogram of the present invention is provided, and it is realized through the following steps:
e-1).缓冲区的清空，Android主控板从串口缓冲区读取数据之前，首先清空串口缓冲区中的历史数据，以确保心电图数据的实时性；e-1). Clearing of the buffer zone. Before the Android main control board reads data from the serial port buffer, first clear the historical data in the serial port buffer to ensure the real-time performance of the electrocardiogram data;
e-2).心电数据的读取，从串口缓冲区被清空开始计算Tms后读取一次数据，每次均将缓冲区中的数据全部读出，以保证心电图数据的连续性；由公式(1)可计算出每TmsAndroid主控板可获取的心电信号数目k：e-2). The reading of ECG data, after the serial port buffer is emptied to calculate Tms, read the data once, and read all the data in the buffer each time to ensure the continuity of ECG data; by the formula (1) The number k of ECG signals that can be obtained by each TmsAndroid main control board can be calculated:
f为心电图测量模块的心电信号采集频频，f＝250bps，k＝10；f is the electrocardiographic signal acquisition frequency of the electrocardiogram measurement module, f=250bps, k=10;
e-3).数据存储，Android主控板建立队列数据结构，将采集的心电信号以采集时间的前后顺序存入数据队列中；e-3). Data storage, the Android main control board establishes a queue data structure, and stores the collected ECG signals in the data queue in the order of the collection time;
f).心电图的绘制，用户可通过Android主控板对心电图的模式设置、导联设置、增益设置参数进行设定，以显示符合自身要求的心电图；Android主控板每Tms绘制一次心电图，每次心电图绘制k组心电数据，这种心电图的绘制方法不仅可保证串口缓冲区内数据不溢出，同时也保证了心电图绘制的实时性和连贯性；f). The drawing of the electrocardiogram, the user can set the mode setting, lead setting, and gain setting parameters of the electrocardiogram through the Android main control board to display the electrocardiogram that meets its own requirements; the Android main control board draws an electrocardiogram every Tms, and every Draw k groups of ECG data for each ECG. This ECG drawing method can not only ensure that the data in the serial port buffer does not overflow, but also ensure the real-time and continuity of ECG drawing;
该步骤中，所述的模式设置可在监护模式、诊断模式和手术模式中任选其一，所述的导联设置为在导联I、导联II、导联III、导联aVR、导联aVL、导联aVF和导联V中同时选择n个导联，1≤n≤7；所述的增益设置为在0.5倍增益、1倍增益和2倍增益中选择其一，选定后心电图纵坐标做对应的增益放大。如图6所示，给出了本发明中Android主控板通过液晶显示屏所显示的心电图波形。In this step, the mode setting can be selected in the monitoring mode, diagnosis mode and operation mode, and the lead is set to lead I, lead II, lead III, lead aVR, lead Select n leads from lead aVL, lead aVF and lead V at the same time, 1≤n≤7; the gain setting is to choose one of 0.5 times gain, 1 times gain and 2 times gain, after selection The corresponding gain is amplified on the ordinate of the electrocardiogram. As shown in Fig. 6, the electrocardiogram waveform displayed by the Android main control board through the liquid crystal display screen in the present invention is given.
g).心电数据的上传，Android主控板通过3G/4G/WIFI网络模块将获取的心电数据上传至云计算平台，通过以下步骤来实现：g). The upload of ECG data, the Android main control board uploads the obtained ECG data to the cloud computing platform through the 3G/4G/WIFI network module, and realizes through the following steps:
如图4所示，给出了发明中心电数据的上传流程图，As shown in Figure 4, the flow chart of uploading electrical data in the invention center is given.
g-1).截取心电数据，用户通过Android主控板作出心电图保存功能后，Android主控板从实时采集的心电数据中截取时长为ts的心电数据，心电数据由心电波形数据和心电参数数据组成；g-1). Intercept the ECG data. After the user performs the ECG saving function through the Android main control board, the Android main control board intercepts the ECG data with a duration of ts from the real-time collected ECG data. The ECG data is determined by the ECG waveform Composition of data and ECG parameter data;
g-2).心电数据的加密，Android主控板将步骤g-1)中截取的心电波形数据按照导联形式进行base64编码和公钥加密，将截取的心电参数数据按照类型进行base64编码和公钥加密；g-2). Encryption of ECG data, the Android main control board performs base64 encoding and public key encryption on the ECG waveform data intercepted in step g-1) according to the lead form, and encrypts the intercepted ECG parameter data according to the type base64 encoding and public key encryption;
g-3).心电数据的发送，编码和加密后的心电波形数据、心电参数数据和用户ID采用HTTP协议POST方式发送至云计算平台；g-3). The transmission of ECG data, the encoded and encrypted ECG waveform data, ECG parameter data and user ID are sent to the cloud computing platform by means of HTTP protocol POST;
g-4).数据的分离，云计算平台接收到Android主控板发送的心电数据后，首先分离出心电波形数据、心电参数数据和用户ID；g-4). Data separation, after the cloud computing platform receives the ECG data sent by the Android main control board, it first separates the ECG waveform data, ECG parameter data and user ID;
g-5).数据的解密和解码，云计算平台对步骤g-4)中获取的心电波形数据和心电参数数据进行私钥解密和base64解码，得到心电图原始数据，并将得到的数据按照用户ID存储到云计算平台的数据库中；g-5). Decryption and decoding of data, the cloud computing platform performs private key decryption and base64 decoding on the ECG waveform data and ECG parameter data obtained in step g-4), obtains the original ECG data, and converts the obtained data Store in the database of the cloud computing platform according to the user ID;
h).在线服务，在用户需要医生对当前病情实时指导的情况下，用户通过Android主控板向医生发出申请，申请通过后用户可与医生进行视频、语音和/或信息沟通，医生根据授权对用户当前的心电图信号进行查看，并对用户作出合理医疗指导。h). Online service. When the user needs a doctor’s real-time guidance on the current condition, the user sends an application to the doctor through the Android main control board. After the application is passed, the user can communicate with the doctor by video, voice and/or information. Check the user's current ECG signal and give reasonable medical guidance to the user.
如图5所示，给出了本发明中用户与医生实时交互的流程图，该步骤中，中设用户A要向医生B发送申请，所述的在线服务通过以下步骤来实现：As shown in Figure 5, a flow chart of the real-time interaction between the user and the doctor is given in the present invention. In this step, the user A in the middle set wants to send an application to the doctor B, and the online service is realized through the following steps:
h-1).发送指导申请，用户A根据自己的实际需求，向医生B发出需要在线进行指导的VIP申请；h-1). Send a guidance application. User A sends a VIP application to doctor B for online guidance according to his actual needs;
h-2).拒绝或接受申请，医生B收到用户A发送的VIP申请后，根据实际情况，若接受则向用户A发出接受消息，若拒绝则发出拒绝消息；h-2). Reject or accept the application. After doctor B receives the VIP application sent by user A, according to the actual situation, if he accepts, he will send an acceptance message to user A; if he rejects it, he will send a rejection message;
h-3).用户授权，用户A成为医生的VIP用户后，通过Android主控板 授权医生B查看自己的心电数据；h-3). User authorization. After user A becomes a VIP user of the doctor, he authorizes doctor B to view his ECG data through the Android main control board;
h-4).数据分析，医生B被授权后查看用户A的心电数据，并对用户A心电数据进行分析，以视频、语音或信息的形式向用户A发出分析结果，实现对用户的远程诊断和指导。h-4). Data analysis, doctor B is authorized to view user A's ECG data, and analyze user A's ECG data, and send analysis results to user A in the form of video, voice or information, so as to realize the user's Remote diagnosis and guidance.
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