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Online water quality monitoring system: Anti collision and lightning protection technology ensures reliable operation of instruments in complex water areas
Date: 2025-12-26Read: 0

Water Quality Online Monitoring System: Anti collision and lightning protection technology ensures reliable operation of the instrument in complex water areas. [Model: TH-SFB05, IoT integrated device, customized service supported by Yunjing Tianhe]In complex water environments, water flow impact, sediment collision, and lightning interference often pose severe challenges to the stable operation of water quality online monitoring systems. When the water flow is turbulent, the equipment may experience sensor displacement or damage to the casing due to external collision, which may affect the accuracy of the data; During thunderstorms, the overvoltage and overcurrent generated by lightning can easily penetrate equipment through power or signal lines, causing core components to break down and leading to monitoring interruptions. To address these challenges, the online water quality monitoring system needs to integrate collision and lightning protection technologies: the shell is made of high-strength, impact resistant materials, and the internal sensors are equipped with shock absorbers, which can effectively buffer the impact of water flow and sediment collision; At the same time, the system needs to build a multi-level lightning protection system, including external direct lightning protection devices, grounding systems, and internal surge protectors, to ensure that lightning energy is quickly discharged into the ground through metal conductors and avoid equipment damage. In addition, the core components need to be designed with anti electromagnetic interference to reduce signal interference generated by surrounding industrial equipment or high-voltage lines, ensure the stability of data acquisition and transmission, and achieve reliable operation in complex water environments.

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1、 Function Introduction

1. The SFB buoy water quality monitoring station adopts an enhanced integrated cone structure, which increases equipment stability and durability more in line with buoy engineering.

Real time measurement of hydrological, water quality, and meteorological parameters within lakes or watersheds. The system integrates data collection and transmission, and has over limit SMS alarm function and automatic light sensing function. It has the characteristics of multiple measurement parameters, high measurement accuracy, large storage capacity, convenient networking, and stable operation. The buoy adopts an unmanned intelligent control system to complete the data collection and transmission of multiple sensors; The solar power supply system consists of solar panels and large capacity batteries, which can ensure the electricity required for long-term operation in the field; The buoy marker is made of ultra-high molecular weight polyethylene material, which has good anti-corrosion ability, prevents biological attachment, does not fade, strong collision resistance, lightning resistance, non-magnetic and other characteristics, and is suitable for complex hydrological and hydrodynamic conditions such as reservoirs.

The SFB05 buoy consists of six parts: water quality sensor (water temperature, conductivity, pH, dissolved oxygen, ammonia nitrogen), data acquisition instrument, communication system, power supply system, overall bracket, and water quality monitoring platform. At the same time, it can expand multiple water quality factors such as turbidity and COD. The data acquisition device has functions such as data acquisition, real-time clock, timed data storage, parameter setting, and standard 2G/4G (GPRS) communication.

2、 Product Features

1. Easy to deploy: Various types of probes are highly integrated and easy to install; Provide free cloud platform services and quickly launch the system;

2. Easy to maintain: After installation, the equipment can work on its own without the need for manual monitoring, and can also be ensured to operate normally through remote monitoring;

3. Easy to expand: The sensor probes all use a unified communication protocol, which can quickly interface with the original equipment and expand monitoring parameters quickly;

4. Low power consumption: The device can operate for a long time in a low-power state, increasing the convenience of device use;

5. Real time performance: The data monitored by the device is transmitted in real-time to the cloud platform, improving the timeliness of environmental data feedback.

3、 Technical parameters

1. Main parameters

Product Name description
Environmental water quality monitoring buoy Real time online monitoring of multiple parameters can be achieved. Can achieve battery level monitoring. Can achieve cloud platform data monitoring, data push, data storage, and alarm functions; Wireless transmission function of data. The peak power consumption is 5W; the sensor power consumption is around 0.25W per unit. Dimensions: 800 * 350mm. Floating body with a maximum diameter of 790mm and a weight of 26kg
core component description
Data collection by collector Reliable operation, anti-interference, capable of integrating multiple RS485/MODBUS-RTU slave devices
Collector data output 1-channel Rs485/JSON protocol output
battery Lithium battery 12VDC, 20AH (default)
Solar panels 18V/55W (default) 800mm circular solar panel frame aluminum alloy customized
Power supply capability Customized selection; Intermittent work for more than 5 days on rainy days
Position indication (optional) Warning lights; GPS positioning;
monitoring platform Cloud platform; Mobile/computer multi terminal login
protective shield 304 stainless steel filter cartridge protective cover
floating body 790mm diameter conical floating body * 1 integrated engineering plastic


Main parameters of optional sensors

serial number name measurement range Measuring principle measurement accuracy Is it standard? Remark
1 temperature 0~85℃ High precision digital sensor ±0.1℃
2 pH 0~14(ph) Electrochemistry (salt bridge) ± 0.1PH
±0.1℃
3 ORP -1500mv~1500mv Electrochemistry (salt bridge) ± 6mv

4 conductivity 0~10000uS/cm Contact electrode method ± 1.5%
5 turbidity 0~1000NTU scattered light method ± 1%
±0.3℃
6 dissolved oxygen 0~20mg/L Fluorescence lifetime method ± 2% ±0.3℃
7 ammonia nitrogen 0~1000mg/l Ion selective electrode method 10% of the reading, ± 0.5 ℃ Ammonia nitrogen pH integrated
pH 0~14(ph) Electrochemistry (salt bridge) ± 0.1PH,±0.1℃
8 cod 0~1000mg/ L UV254 absorption method ±5%, ±0.3℃
COD turbidity integrated; Equipped with an automatic cleaner, it can prevent biological attachment, avoid light window pollution, and ensure long-term monitoring stability; Automatic cleaning time and frequency can be set, with a power consumption of 0.7W
turbidity 0~400NTU scattered light method ± 1%, ±0.3℃
9 suspended solids 0~2000mg/L scattered light method ± 5% (depending on sludge homogeneity)

10 Chlorophyll 0~400ug/L fluorescence method R2>0.999
Equipped with an automatic cleaner, it can prevent biological attachment, avoid light window pollution, and ensure long-term monitoring stability; Automatic cleaning time and frequency can be set, with a power consumption of 0.7W

4、 Product dimension diagram

5、 Equipment installation requirements

1. Stay away from high-power radio transmission sources

2. Stay away from high-voltage transmission lines and microwave radio transmission channels

3. Try to get as close as possible to the data transmission network

4. Stay away from strong electromagnetic interference

6、 Introduction to Cloud Platform

1. CS architecture software platform, supporting direct observation through mobile and PC browsers No additional software installation is required.

2. Support multi account and multi device login

3. Support real-time data display and historical data display dashboard

4. Cloud servers Cloud data storage, stable and reliable, easy to expand, load balancing.

5. Support SMS alarm and threshold setting

6. Support map display and viewing device information.

7. Support data curve analysis

8. Support data export in tabular format

9. Support data forwarding, HJ-212 protocol, TCP forwarding, HTTP protocol, etc.

10. Support data post-processing function

11. Support external running of JavaScript scripts