The system combines traditional power detection with modern Internet of Things technology, integrating data acquisition, wireless transmission and platform management! It is applied to real-time monitoring of the return channel current value and channel link connection in rail transit!
System components: acquisition unit, wireless transmission, platform management.
Acquisition unit: collect electrical parameters, battery status; function is to collect current, frequency / power frequency, battery power status.
Wireless transmission: NB-IOT is adopted; the function is to interact with platform data as collection and acquisition.
Platform management: used for receiving, storing, analyzing, and alarming; functions are data browsing/inquiry, issuing commands, setting thresholds, data analysis/management, and alarm.
2000maH lithium battery +1W solar panel, 3.7V
Rated power consumption
-20 ° C ~ 70 ° C, waterproof rating IP64
≤95% (no dew)
≤95% (no dew)
Input corresponding output: 2500V DC / 1 minute; isolation voltage between power supply and input: 2500V DC / 1 minute; isolation voltage between power supply and output: 2500V DC / 1 minute
2 times the nominal input voltage, lasting 1S, interval 10S, repeated 10 times;
10 times nominal input current, lasting 1S, interval 300S, repeating 5 times
Anti-lightning surge: power supply, input terminal ±4KV; digital port: ±2KV
Anti-group pulse: power supply, input terminal ±4KV; digital port: ±2KV
Antistatic: digital port ±8KV
SIM card type: Telecom
Supported bands: Band 1/2/3/5/8/12/13/17/18/19/20/25/26/28/66/70
Transmit power: <23dBm±2dB
Acceptance sensitivity: <-139dBm±1dB
Antenna interface: support SMA antenna interface
Transmission protocol: MODBUS (customizable)
1 System purpose: online monitoring, real-time alarm, maintenance-free or reduced maintenance
2 Equipment power supply: passive (built-in battery)
3 Monitoring type: real-time monitoring
4 Data transmission: Internet of Things NB-IOT
5 Data visualization: divided into two kinds of original data, curve graphics
6 Device management: positioning function (product, installation address associated)
7 Alarm settings: with dual power settings
8 Waterproof rating: IP65