Mindray Eagus R9

4-20 Product Principle
4.5 New Power Supply Unit
AC-DC Module
DC-DC Module
AC input
Control System & Ultrasound Functions
AC output
Printer
DC supply
control
PHV Module
LiftControl_Unit
DC Unit
power
Power Unit
Devices
control
AC output
Power Box
12V to 24V
Control Board
Battery Manage
Module
Battery Module
Power&co ntrol
Figure 16 Schematic Diagram of New Power Supply Unit
The function of new power supply unit is to provide power for each unit of machine, including:
front-end unit, back-end unit, user interaction unit, user peripherals (auxiliary output). Power supply
is mainly from net power, the system is compatible with the standby status when powered by battery.
The power unit main include following modules:
 12V to 24V Control Board
 AC-DC Module
 DC-DC Module
 PHV Module
 Battery management module