What do the L and M floors of this elevator mean?

M comes from the word Mezzanine, which means mezzanine, middle floor, which can be the second floor of duplex house or the ticket-checking floor reached by subway escalator; L comes from the word lounge, which means lounge, hall and waiting room.

Applied technology:

1, full digital passenger identification technology (all passengers are identified before entering the elevator, including eye identification and fingerprint identification)

2, digital intelligent security control technology (through the passenger identification system or IC card and digital monitoring equipment, refuse outsiders to enter)

3, the fourth generation elevator technology without machine room (the main engine must be separated from the guide rail and the car, there is no * * * vibration * * sound at all, the speed can reach more than 2.0M/S, and the highest can be used above 30 floors. )

4. Two-way safety protection technology (two-way safety tongs and two-way speed limiter, which must be used in Europe, are widely used in China).

5, rapid installation technology (change the elevator installation way in the past, can be quickly assembled)

6. Energy-saving technology (adopting energy-saving technology to make elevators more energy-saving)

7, digital monitoring technology (completely using computer to monitor the elevator)

8. Wireless remote control alarm device (when the elevator breaks down, the elevator can send fault information to the mobile phone through the wireless device, and simply control the elevator by sending signals through the mobile phone. )

Extended data:

Manned elevator is an intelligent and automatic equipment controlled by microcomputer, which does not need special personnel to operate and drive. Ordinary passengers only need to ride and operate the elevator according to the following procedures.

1. At the elevator entrance of the elevator floor, press the up or down arrow button according to your own needs. As long as the light on the button is on, it means that your phone has been recorded. Just wait for the elevator to come.

2. After the elevator arrives and opens the door, let the people in the car get out of the elevator first, and then let the caller enter the elevator car. After entering the car, press the corresponding number button on the control panel in the car according to the floor you need to reach. Similarly, as long as the button is lit, it means that your layer selection has been recorded; At this time, you don't need to do anything else, just wait for the elevator to reach your destination floor and stop.

The elevator will automatically open the door after driving to your destination floor. At this point, step out of the elevator in order to end the process of taking the elevator.

Baidu encyclopedia-elevator floor display

Baidu encyclopedia-mezzanine

Baidu encyclopedia-elevator