【 Weak current College 】 barrier-free bathroom common distress system introduction

Barrier-free bathroom SOS system widely used in public, Office and within the design of high-rise buildings have barrier-free toilet buildings. In order to ensure the safe use of the disabled, the system usually uses low-voltage isolation of power supply. The system of luminous body to have LED, intermittent alarm sounds. When people with disabilities press switch prays at the door of the bathroom on the top of the sound and light display will beep sound and synchronized Flash signal indicating rescue personnel directly. Product points for help switching, sound and light display, location code host and the power of four parts.

Working principle: when the turn signal switch prays, set in the bathroom door sound and light display emits intermittent alarm and flashing lights to indicate that the rescue. Shift Center location code shows the host also emits intermittent alarm sound and displays the alarm switch position coding tips, watch some alarm and alerting of location. When the alarm or get other people help themselves and help to close the alarm switch on their own. Alarm switch off, sound and light display stop alarm and flashing, watch Center also stop alarm, displays the last alarm encoding.

Help-switch
Chosen by the national CCC certification of products, supported by dedicated integrated circuit. According to the urban roads and constructions barrier-free design standard "JGJ50-2001 section 7.8.2 (mandatory provisions) regulations, and recourse to switch from terrestrial 0.40 ~ 0.50 metres.

Sound and light display
Installed in the bathroom door. Sound and light display side with sound alarm, not blocking the sound installation. Order to indicate alarm time is often not.

Position coding show host
Installed in the shift Center. The device is equipped with power outlet and bus socket.

Power supply
By isolating transformer power supply, very good assurance and mains isolation, use a more secure and reliable. Power supply design with two hours of battery backup power and design have an overcurrent and short circuit protection devices, the need for manual control. Input voltage, output voltage AC220V DC18V.

System
System bus lines, bus to RVV3× 0.5 sheathed cable. Power connection without anode and cathode, connections that are connected with the center line of the switch.