Countdown clock is autonomously controllable

1、Countdown clock is autonomously controllableOverview of

Provided by Shanghai Ruicheng Electric Co., LtdCountdown clock is autonomously controllableIt is a highly intelligent and fully functional clock system designed in accordance with relevant national and industry norms and standards, and strictly in accordance with the various special requirements of the hospital's intelligent building project for the clock system. It can achieve the unification of time standards throughout the hospital, so that the staff and patients in the entire hospital can grasp accurate and unified time information at any time. This enables various business departments and functional departments to work in an orderly and coordinated manner, providing a standard time basis for organic coordination and close cooperation between various functional departments, ensuring adaptation to the high-speed operation needs of various related businesses in the hospital's intelligent building.

2Design area for countdown clock

Important areas should include, but are not limited to, corridors, halls, nurse stations, waiting areas, operating rooms, emergency rooms, infusion rooms, pharmacies, toll booths, doctor's offices, conference rooms, civil defense areas, and other spaces where personnel flow and require uniform time.

3Composition of Countdown Clock

The hospital clock system is composed ofGPSBeidou antenna, antenna lightning arrester, central master clockNTPComposed of time server, sub clock, clock monitoring terminal, switch, and transmission channel. The clock system adopts a central master clockNTPThe time server and sub clock form a local area network or are directly connected to the hospital intranet. In places where there is no wired network interface, the sub clock can also be wirelessWifiMethod of accessing the local area network.

Set up a central master clock in the weak current roomNTPThe time server and central master clock can be set up as a single unit or two dual machine backup units. When a single master clock is used,NTPThe time server can be built into the central master clock. The power supply for the master clock is centrally provided by the power system in the computer room220VAlternating current. The power supply of the sub clock is obtained locally, and the power supply of the sub clock is AC220V±15%Some low-power sub clocks can also be usedPOEPower supply method. The clock system communication cable adopts super5classUTPCable（4×2）； The power cord adoptsRVV3×1.5mm2Cable.

4Countdown clock--Performance indicators of the central master clock

Working power supply: AC power supply:220V±20%or110V±20%，47Hz～63HzDC power supply:220V±20%.

Power consumption: ≤20W.

Input:GPS+Beidou+IRIG-B(422)Redundant timing.

Output: Modular structure, capable of outputting1～14roadNTPNetwork timing signal,4～60roadRS422/485Serial port signal,1roadPPSPulse signal.

Alarm contact:1roadGPSBeidou signal out of step alarm contact output,1roadBCode signal out of step alarm contact output.

Size Structure: Standard2U,19Inch rack mounted chassis.

Time accuracy: less than30nS.

NTPTiming accuracy:0.2-10mS.

MTBFreachable150000Hours, with a service life of no less than20Under normal usage conditions, no maintenance is required.

5Countdown clock--Technical parameters of digital sub clock

Operating Temperature-20℃～＋70℃； humidity<95%

Power supply:220VorPOE

LEDDisplay unit luminous intensity: ≥200cd/m2

Contrast ≥10：1

LEDThe viewing angle of the display screen is ≥ ±75º

Timing accuracy: ≤1ms

Self travel time accuracy: ≤±0.05second/sky

Average repair time（MTTR）Generally not greater than30divide

The service life shall not be less than20Under normal usage conditions, no maintenance is required

Electromagnetic compatibility: Level III or above standard

LEDCharacter: Red/green/white/orange

Installation methods: lifting, wall mounting, inlay, installation on pillars, etc

6Countdown clock--Technical parameters of pointer clock

Operating Temperature-20℃～＋70℃； humidity<95%

Power supply:220VorPOE

torque 800gram.centimeter

Timing accuracy: ≤1ms

Self travel time accuracy: ≤±0.1second/sky

MTBF：≥150000hour

Average repair time（MTTR）Generally not greater than30divide