Recently, a video caused a lot of panic. In a department store in Hubei, a woman suddenly fell into the pedal at the end of the escalator after taking the escalator. After that, she was swallowed up by the elevator and took her life. Most people are more angry when they are panicking. What a dull elevator is completely unaware of any abnormal resistance? In this era of intelligent sensors and cloud control, it is surprising that even the basic facilities of the escalator remain in the rudimentary state before the information age.
Using technology to avoid the recurrence of the "elevator cannibalism" tragedy
So what kind of escalator is safe? What is the difference between the so-called intelligent escalator and the “cannibal elevator�
Let's take a look at a smart elevator from the island country.
This escalator can be said to provide a more humane and safer solution. It has a self-diagnostic technology that combines a wireless remote monitoring system to pre-diagnose elevator failures. In addition, the elevator is designed to realize a number of safety design and services such as service support system, area detection and sensing device, kick safety boundary, etc., which greatly reduces the possibility of “cannibal elevator†accidents.
The so-called self-diagnosis technology is that it takes only 3 seconds to start the machine every day, and the escalator can complete the inspection of important mechanical parts. After the automatic diagnosis is completed, the escalator will feed the test data back to the remote monitoring center. Through the wireless network, the remote monitoring center can perform daily monitoring, data storage and sharing on the escalator, and diagnose in advance, and eliminate the hidden danger that the escalator may cause downtime in advance. For parts with lower safety, the manufacturer will immediately make proper and timely maintenance measures.
Another area detection sensing device is for children to ride an escalator. Many parents have been worried about what to do if a child pulls his hand outside the handrail when he takes the elevator. An area detection sensor is added to the cover on the outside of the escalator. Once a passenger is detected to detect the handrail, a broadcast warning is connected to arouse the passenger's attention.
It looks very high-end, in fact, this is the product that Hitachi launched a few years ago. And why is such a high-level elevator not mentioning the corresponding measures in the video of “Eating the Elevator†to prevent people from falling into the maintenance space? The reason is that it is actually a relatively primitive standard. That is to say, there should be a safety sensor switch under the pedal, and each manufacturer is designed to be fixed by screws or other means. Once the pedal is removed, the elevator should not continue to run. Therefore, the cause of this "elevator to eat people" is actually more complicated, and may involve the maintenance of personnel, accessories, etc., and the uncertain factors of the internal conditions of the specific escalator. To truly prevent such uncertainties, it is still necessary to look at the Internet of Things to play a role.
Incorporating all kinds of elevators, including escalators, into the Internet of Things, can effectively reduce the chance of "elevator eating"
IoT technology is familiar to everyone, that is, the ubiquitous types of sensors are connected through long-and short-range wired and wireless networks to achieve continuous monitoring and all-round control of the elevator. And further, each escalator becomes a terminal in the large network, transmitting and receiving data in real time, maintaining dynamic self-adjustment at any time, and maximally preventing accidents.
Specifically, the application of the Internet of Things technology to the escalator is equivalent to installing a “health diagnostic device†for the escalator, and collecting the operating state of the elevator through sensors, data acquisition terminals, etc. installed on the elevator car roof, real-time. Detecting the “health status†of the elevator. Once the escalator is in an abnormal situation such as retrograde, overweight, foreign matter entering, the system immediately terminates the operation, and at the same time, the real-time alarm is activated, and the property or elevator maintenance personnel are immediately notified to rush to the scene for disposal. Even if the "elevator eats people", you can minimize the damage.
At the same time, the escalator can establish an elevator information exchange network nationwide, and upload the real-time operation information and key parameter parameters of each elevator to the Internet. Through this information, elevator managers can find elevator faults in time, and advance maintenance in advance to further avoid the chance of "eaten elevators".
Of course, the escalators mentioned can also be lifts. The infrastructure of such public places is actually very high in terms of intelligence, which not only improves the safety of use, but actually the effect of energy conservation is society and enterprises. Most concerned about. Only companies and individuals must understand the truth, that is, safety first. To put it bluntly, this incident is not a "cannibal elevator" at all. In fact, a large part of it belongs to "people eating people". Maintenance personnel are responsible and the company does not save money. Such tragedies can be completely avoided. The elevator is a vegetarian, careless, and hungry, this is the person who eats.
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