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The strongest wireless elevator monitoring program is here — Company News
The strongest wireless elevator monitoring program is here
Source:JLT
Click:212
Pubdate:2018.05.24
Elevator often appear in our work life, as the main equipment of high-rise passenger and cargo, which is commonly used in public life of the bearing tools, is each big enterprise, the indispensable transport equipment in factories, but many times we will appear no signal in an elevator, the elevator safety work and wireless coverage is the enterprise managers must attach importance to the problem.
  

Elevator often appear in our work life, as the main equipment of high-rise passenger and cargo, which is commonly used in public life of the bearing tools, is each big enterprise, the indispensable transport equipment in factories, but many times we will appear no signal in an elevator, the elevator safety work and wireless coverage is the enterprise managers must attach importance to the problem. In the elevator installation and wireless video monitoring equipment is necessary, by using digital network monitoring situation of the elevator security 24 hours video monitoring, when emergency occurs, able to respond immediately, to improve the safety of the elevator transportation, good wireless coverage can very good ascension of elevator owner and property.


Traditional closed circuit TV video monitoring system adopts special video line to transmit video signal in elevator. But with the passage of time, the domestic elevator users use more and more high, the user generally reflect the elevator video transmission lines in use process, several hundred times a day of twists and turns, more than half a year after the line start peeling, even some broken cannot use, caused many users will reflect this to live like the elevator signal problem, outside the elevator signal full immediately break into the elevator, this suggests that the elevator wireless coverage does not reach the designated position, unable to meet the needs of users in the process of up and down the elevator.. The replacement of this set of lines is a very complicated and time-consuming work, so when designing the elevator monitoring scheme, it is necessary to fully consider the two requirements, and use wireless transmission equipment to complete the project plan, to solve the problems of complex wiring, easy aging of the lines, and inadequate wireless coverage.



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The elevator wiring


If each floor is far away from the main monitoring center, it needs to be wound around the wire.

Using wireless networking system wiring is simple, save time and labor, save cost;

Floor wiring

If wired monitoring is connected, wiring construction needs to be carried out on each floor, which takes a long time.

Wireless bridge network transmission flexible, get rid of the limitation of wired transmission;

The late maintenance

Cable engineering has more maintenance and higher maintenance cost.

Wireless network group later maintenance equipment convenient, strong scalability, easy to add monitoring points.

Other advantages of the wireless network group

High-speed network transmission stability, improve network security;

Free installation, better solve the problem of blind area coverage

The project for a certain area of an 8 building elevator wireless monitoring scheme, village, a total of eight building need video monitoring on each building requires that every 8 building elevator video monitoring signal can carry on the summary of the intact back to the monitoring center, as a community around him, such as the wireless signal interference is not can use 2.4 G channel, but using 5.8 G equipment costs and on the high side, we choose the CPE - 450 / SR wireless bridge to layout, two wireless AP box installed in the elevator shaft, the top of the shaft as the transmitting terminal, mobile case as the receiver at the top. And install a video camera in the elevator compartment to monitor the situation in the box and connect with the receiving end bridge, transfer the monitored pictures to the switch through a wireless link and send them to the hard disk video recorder for storage, and finally send them back to the monitoring center. In order to coordinate with the operation of the upper and lower structure of the elevator and ensure the quality of signal transmission, cpe-450 /SR wireless bridge supporting 5.8ghz broadband channel transmission was selected as the transmitting end bridge. Because the use of spread spectrum channel, can effectively avoid crowded channels, transmission signal quality is better, to ensure the clarity of the monitoring screen.


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1-7 elevator, for example, the front-end monitoring hemisphere machine through the Ethernet cable connected with A wireless bridge (setting bridge: the receiver mode), and wireless bridge fixed on the top of the outside capsules, on top of the elevator shaft installed wireless bridge B (set forward as: transmitting terminal mode), then put the wireless bridge B and C wireless bridge (mode) set up A bridge for: the receiving end through Internet connection; C wireless bridge is mainly responsible for sending data back to D bridge for broadcasting signals, and all video signals in this building are sent back to the main control center by mobile phone.

8 elevators, for example, because of the master control room in 8, the front camera and capsules can be at the bottom of the wireless bridge E (set bridge to receive mode) connection, will the wireless bridge F (set the bridge to launch mode), connect the F wireless bridge is limited to the core of the master control center switches above, you can directly to 8 video signal of the lift back to the monitoring control center.


In this series of video signal return lines, each device performs its own duties:

1. Webcam: mainly responsible for video monitoring inside the elevator car;

2. Elevator signal collector: it is responsible for collecting all kinds of status and parameter information inside the elevator car, and transmitting it to wireless bridge through serial port;

3. Central monitoring host: realize remote synchronous monitoring, record and display the running state of the elevator.


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