Online multi parameter water quality monitoring system: integrating sensing technology to monitor multiple water quality indicators and scientifically formulate control decisions. [Model: TH-QSZ07, IoT integrated device, customized service supported by Yunjing Tianhe]The causes of water pollution are complex and varied, with industrial wastewater, agricultural non-point source pollution, and domestic sewage intertwined, resulting in dynamic fluctuations in water quality indicators such as pH, dissolved oxygen, ammonia nitrogen, heavy metals, etc. Single parameter monitoring is difficult to fully reflect the true state of water quality, and may lead to deviation in regulatory decisions due to lack of information, affecting the effectiveness of water environment governance. The application of online multi parameter water quality monitoring system provides comprehensive data support for scientific water management. The system integrates high-precision sensing technology to synchronously monitor more than ten core indicators such as water temperature, conductivity, turbidity, and chemical oxygen demand, and combines with the Internet of Things to achieve real-time data upload and cloud storage. The intelligent analysis module can perform cross comparison and trend prediction on multi parameter data, accurately identify pollution types and sources, and provide scientific basis for water eutrophication prevention and control, industrial wastewater standard discharge supervision, and drinking water source protection. From rivers and lakes to groundwater sources, from urban water supply to industrial circulating water, its all-weather and highly reliable monitoring capabilities are becoming the "smart brain" for water quality control decisions.

1、 Product Introduction

1. Overview

QSZ07The water supply quality station is a water quality monitoring microsystem based on Internet of Things technology, consisting of a stable flow exhaust unit, analysis and testing unit, system control unit, and remote communication unit. It has complete functions such as power supply, lightning protection, and network communication.

2. Product positioning

QSZ07Micro water quality automatic monitoring station

The water quality automatic monitoring station has an automatic monitoring function, and the main monitoring items of the integrated extraction micro water quality automatic monitoring station are: pH, temperature, turbidity, conductivity, dissolved oxygen, etc COD、 Ammonia nitrogen, suspended solids, etc. It adopts highly integrated technology to achieve automatic water quality monitoring function in one cabinet.

This device can be widely used for online monitoring of water quality in rivers, urban or rural water plants, water supply pipelines, secondary water supply, user terminals, indoor swimming pools, large-scale water purification equipment, and direct drinking water. It is an online analysis device in the fields of water plant production process control, water conservancy and water management, and health supervision.

3. Functions and Features

·GPRS networking 4G

·Support expanding RJ45 networking

·Support remote transmission of extended sensors

·Support LED screen display and 7.0-inch touch control screen

·Support expanding Android screen display and storage

·Expand Android screen support for 2G data storage and USB data export

·Support one RS485 Modbus RTU protocol slave station

·Support multi-channel RS485 modbus RTU sensor expansion

·Supporting IoT data display, storage, and analysis platform

·The platform supports multiple protocols such as TCP short links and HTTP protocol for data forwarding

2、 System composition

The water quality monitoring microsystem for water supply consists of a power supply unit, a water pump control unit, an analysis and testing unit, a display unit, a water pump unit, a remote communication unit, and an integrated box main unit.

1. Power supply unit

The power supply is AC220V.

2. Water pump control unit

Intelligent self-priming pump with maximum head of 25m and opening flow rate of 1.8m3/h

3. Analyze the testing unit

The analysis and testing unit mainly consists of pH, dissolved oxygen, conductivity, turbidity ORP、 The temperature sensor is composed of threads or tight fitting fasteners fixed to the circulation pool. The main parameters of the sensor are as follows:

Attention: The sensor should not be installed upside down or horizontally, and should be installed at an angle of at least 15 degrees. The working environment of the above water quality sensors is 0-50 ℃,<0.3Mpa

4. Display unit

Multi parameter monitoring device, installed at the cabinet door, for data collection, analysis, display, communication, and data storage operations,

·Android version: 4.4.2 · CPU: quad core Cortex ™- A7 · RAM/ROM: 512M/4G · Screen: 7-inch capacitive touch screen · Power supply: 12V/1A · Supports USB expansion and memory card expansion

5. Remote communication

RS485 interface MODBUS-RTU communication protocol factory equipment address 6 decimal support 03 function code reading data

6. Equipment box main unit