1.Underground Drainage network collection system product introduction

Underground Drainage network collection system is a set of underground water quality monitoring and acquisition system, which can be externally connected to analytical instruments and water quality sensors.GW1 Underground Drainage network collection system is an Internet of Things monitoring terminal independently developed by our company and specially developed for applications in the field of pipeline monitoring.

GW1 Underground Drainage network collection system products have the characteristics of high protection level, low power consumption and strong corrosion resistance, integrating data collection, data storage, power supply, display, data transmission and other functions.

It adopts wireless communication functions such as 4G and NB-IOT.The conventional products do not require external power supply, are convenient to install and maintenance-free.

The product can be externally connected to various sensors such as Doppler flowmeter, radar level meter, ultrasonic level meter, radar flowmeter, water quality COD/ammonia nitrogen/PH/conductivity, etc.

2.Advantages and features of Underground Drainage network collection system

Can be connected to a variety of external sensors, strong applicability, can measure instantaneous flow and accumulated flow

Low power consumption, maximum working current is only 15mA, standby current is only 0.3mA

Small footprint, simple and fast installation

Adopt the independently developed digital core acquisition control module, with stable functions and simple operation

Supports various wireless data transmission technologies such as 4G, NB-IOT, Zigbee, Lora, etc., making data transmission convenient and reliable

The system adopts a smart environment monitoring cloud platform, which can easily browse and view data and device management through computers, mobile phones and other methods.

The equipment structure is reasonable, which can ensure long-term continuous measurement outdoors

Remotely modify the pipe diameter

4-channel power supply independent control, can set sampling period and sampling interval

With remote time calibration function

3.Underground Drainage network collection system technical parameters

Power supply method: DC12V power supply or built-in 12.6V/40Ah lithium battery power supply (can expand battery capacity)

Processor: 32-bit low-power microcontroller using ARM7 core

Storage: Built-in 8M storage chip, can store 60,000 pieces of data continuously, data storage time > 10 years

Application interface: 1 RS485 interface or 1 analog interface (16-bit AD, support 4-20mA current signal input and 0~5V voltage signal input), 1 controlled output power supply (rated power supply 12V/1A built-in overcurrent protection)

Charging interface: 1-channel 12.6V charging interface

Debugging interface: 1-channel debugging RS485 interface

Communication method: Built-in 1 NB-IOT or 1 4G wireless transmission module

Antenna style: 1 NB-IOT or 4G fiberglass omnidirectional high-gain antenna

External sensors: can be freely matched with external flow meter (radar, ultrasonic Doppler and other flow meter), water level meter (radar, pressure type, ultrasonic level meter, etc.), water quality sensor (pH, conductivity, dissolved oxygen, suspended substance, COD, ammonia nitrogen, etc.).

Indicator: 1 operating status LED indicator

Key: 1 manual start-stop switch button.In low power mode, if you need to restart the device, power off at least 120 seconds

Communication protocol: Supports AN-UNION protocol, MODBUS-RTU protocol, SL 651-2014 regulations, HJ 212-2017, etc.

Charging method: Terminal equipped with lithium battery standard can be plugged in with factory-equipped charger for charging

Power consumption: Standby current: <0.3mA, communication upload average current: <15mA, does not include the current consumed by external sensors

Working mode:

1.Continuous working mode: The device is powered on and continuously working, and the data upload period (1~65535 minutes) can be set.

2.Low-power working mode: The equipment works intermittently, and the data upload period (5~65535 minutes) can be set

Remote management function: Support remote parameter configuration and remote program upgrade

Local upgrade: serial port upgrade

Local configuration method: Support Bluetooth and serial port configuration method

Overall shape: cylindrical, designed to save underground installation space and facilitate loading and unloading.It is equipped with a stainless steel handle for easy single-handed extraction

Dimensions: Φ160mm*H250mm

Shell material: wall thickness ≥5mm, 304 stainless steel (customizable 316L stainless steel)

Weight: 6.7kg

Shell protection level: IP68

Corrosion resistance level: Level 10

Explosion-proof grade: Ex ia IIC T6 Ga

Installation method: wall mount

4.Underground Drainage network collection system installation bracket

5.Underground Drainage network collection system installation rendering