Screen Door Power-supply System-Components of DC System
System Description
Shield door power-supply system is mainly used to provide safe,reliable and pure power for platform screen doors. Shield door power-supplysystem employs first level load. It issubdivided into two parts: control power-supply and gate driving power-supply,in which the former is for the control system of screen door, and the latterfor the gate.
System Components
Main components of the power-supply system of shield door include:driving power-supply, controlling power-supply, distribution unit andmonitoring unit.
Components of DC System
Driving power-supply
Commercial power AC380V
Input unit
Charger Module
Battery pack
Rectifier module
Up- and down driving loads
Control power-supply
Input unit
Battery pack
Control UPS
DC module
Isolation transformer
110Vdc loads
24Vdc loads
220Vac loads
Components of AC System
Commercial power AC380V
Input unit
Driving UPS
Battery pack
Isolation transformer
Up- and down driving loads
Control power-supply
Input unit
Battery pack
Control UPS
DC module
Isolation transformer
110Vdc loads
24Vdc loads
220Vac loads
System features
Excellent impact resistance:
Normal output of the module is
UPS solution:
UPS solution is employed to ensure reliable running of the screendoor power-supply.
Battery Management System
Intelligent battery management technology extends the life ofbattery, while ensuring full capacity of battery at any time.
High-quality components
Aseismatic, moisture-proof high-quality components and processdesign are adpoted to ensure safe and reliable running of the sytem in thesubway equipment rooms.
Flexible monitoring network deployment
Various types of load voltage is adopted. The monitoring system canbe used to control various power-supply modules at the same time.
