基于ENOCEAN的可佩戴病房呼叫系统的设计
[Abstract]:With the development of information technology, the medical field begins to upgrade rapidly in the direction of intelligence. At the same time, medical institutions are also focusing on the improvement of services to enhance patient experience. The inpatient ward is the area where the patients live for a long time, and is the focus of the hospital promotion service. As a bridge between hospitalized patients and medical staff, the call system of the ward plays an important role. At present, the call system has begun to change from wired mode to wireless mode. A wearable ward call system based on EnOcean wireless technology is designed in this paper, which includes four parts: pager terminal, gateway, database and monitor application. The wireless scheme used in the pager terminal is EnOcean wireless technology. The radio frequency module is mainly composed of the energy acquisition module (ECO200) and the radio frequency module (PTM330), which provides electrical energy for the RF module by collecting mechanical energy. The frequency band is 868 MHz. When the pager is pressed, the radio-frequency module sends out the wireless message signal and is received by the gateway in the region. The gateway is composed of raspberry pie development board and EnOcean radio frequency module TCM310. After receiving the radio signal of the pager, the gateway is resolved by the ESP protocol program to detect whether it is a call request that meets the requirements. Then the request information is uploaded to the database and monitor application through the TCP/IP-based network. The database is set up by MySQL, storing the hardware information of all pager terminals and gateways, as well as patient information and call request record. The monitoring program mainly completes the function of setting up and responding to the call request. It can add or remove the IDs of the pager terminal and gateway, input the patient information and distribute the pager, etc. The graphical interface is written by PyQt4, and other functional codes are implemented by Python language. By analyzing the present situation of hospital wards in our country, the system deployment scheme is set up, and the reception range of the pager in the room with obstacles is determined to be at least 9.5 meters or more. After testing, the signal receiving range of the gateway can meet the space requirement of the six-person ward. The call system is easy to use, easy to install and deploy, pager passive maintenance and other features, in medical institutions, nursing homes and other places of application value.
【学位授予单位】:天津工业大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:R197.39;TN872
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