文献类型：专利

英文题名：Wireless DTU data transmission module has serial interface unit used to connect with client and transmit instructions and data and signal level conversion, and level conversion unit is connected to serial interface unit

作者：MA S;XIONG Y;ZHANG H;LIU Q;XU B

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN207339910-U

申请日：2017-08-04

公开日：2018-05-08

语种：英文

收录：DERWENT

摘要：NOVELTY - The utility model claims a wireless DTU data transmission module, comprising: a wireless network data transmission unit, the wireless network data transmission unit for accessing the Internet TCP/IP connection unit. the processor unit capable of connecting to a remote server through the MQTT protocol, the TCP/IP connection unit comprises a MQTT protocol stack, OneNET interface, serial interface unit, the serial interface unit for connecting the client and transmitting instructions and data, and a signal level conversion, processor unit, respectively connected with the wireless network data transmission unit and the serial interface unit, instruction unit, stack instruction analyzing protocol processor unit, a level conversion unit, a serial interface unit provides a RS-485/RS-232 bus interface. The utility model can be quickly connected to the internet and can realize the client and remote server of uploading and sending real-time data. In addition, the utility model has simple structure, stable and reliable, low communication traffic, a key configuration, multiple network environment changing, and the cost is low.