| The monitoring of water resources is the main means for understanding and revealing hydrological phenomena,and hydrological flow measurement data is the fundamental basis for water conservancy operation.The hydrological flow measurement platform of major rivers in my country generally adopts the cableway hanging box system.The current hydrological flow measurement platform is mostly controlled by local PC software,and the flow measurement data is stored on the local PC.The staff enters the hydrological system after the flow measurement is completed.Reported.In this mode,although there is not much data for each hydrological station,a completed database system must be established,which is a huge waste of local resources and increases the difficulty of operation and installation of the system.In order to improve the degree of automation of water temperature measurement flow,realize the flow measurement data from the platform directly upload the server,reduce the flow measurement process and after the completion of the manual operation,this topic in the existing automated hydrologic test platform based on the design of the Internet technology-based hydrological remote flow measurement system.The system applies Internet technology to the hydrological flow measurement system to realize the direct communication between the server and the flow measurement platform.With this system,various movements of the hydrological flow measurement platform can be remotely controlled to complete the flow measurement task.Flow measurement data can be uploaded to the cloud in real time to realize remote sharing of hydrological flow measurement data.Using Io T technology and MQTT protocol,the system realizes that the hydrologic flow platform is directly connected to the remote server,changes the mode of the previous local control system,stores all the hydrologic data and user data set on the cloud server,and effectively reduces the local resource consumption.The system divides all access users into device side,client and server,and develops corresponding software based on their respective operating platform.The device side uses STM32 L as the master chip of the lower machine to communicate with PLC through the Modbus protocol to realize the hardware control of the hydrologic flow measurement platform,and communicates remotely with the client and server through the network function of the BC28 module.Clients add network functions to existing local PC control software for remote real-time control.The server uses the ECS cloud server of the Alibaba Cloud platform and has written specialized software to operate the database and provide data to the client and device side.A web service-based back-end management system was developed using the separation of front-end and back-end.The back-end program uses the Spring framework and integrates the Spring Security authority authentication framework,which can realize login authentication and authenticate and authorize users with different roles;the front-end page of the management system It is a single-page application.After a page is requested once,the subsequent HTTP request does not refresh the page.Instead,the browser renders the requested data after receiving the requested data,which reduces the loading time and improves the fluency of the user.The equipment is currently running well at Fugu Hydrological Station,which solves the difficulty of the hydrological station's inability to automatically upload hydrological data,improves the automation of hydrological flow measurement,reduces personnel operations in the process of flow measurement,and is the daily work of the hydrological station staff.Provides great convenience. |
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