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Elevator is a daily trip we used a tool, but in recent years a number of elevator safety incidents. Guangzhou Quality and Technical Supervision in the July 16, 2014 release data show that the first half of 2014, Guangzhou handled a total of 2562 trapped elevators, failure 1386, 6947 rescue trapped workers. Among them, the elevator failure in June took place in residential quarters Qicheng.
Shanghai as the world’s largest elevator ownership of the city (175,000), the maintenance of elevator safety is a huge work. Learned from Hangzhou elevator access network management platform, Shanghai has recently launched the elevator access Internet of Things management. Through the Internet of things platform, the elevator becomes “smart”, in the event of failure, wireless upload the central control center, lock “lesion” where, but also through sensors, remote automatic “physical examination”, warning sub-health state.
Intuitive map of which elevator something
Chang’an Road, Jing’an District, the newly opened Shanghai Mitsubishi User Service Center on a large screen wall, from the Chinese map to enlarge the map to Shanghai, as a pilot area of ​​Changning District and the FTA, “intelligent elevator” distribution of all visualization. They assume the responsibility of state-level enterprise technology center, research and development of this elevator Internet of things, the current elevator network of 4 million units. On this basis, the center also with the Municipal Quality Supervision Bureau, 110 linkage, as the Shanghai Elevator Emergency Response Center to assume the city’s first-aid command.
So far, the country’s largest elevator manufacturing and sales enterprises, the market has invested more than 50 million elevators. While the national elevator holdings is more than 300 million units, of which the eighties and nineties of last century, most of the elevator is still in use, into the “aging” or even “super-aging” period, parts wear serious, maintenance and maintenance costs Greatly increased, not safe, but also cost manpower. When an elevator is running, hundreds of thousands of components work together, and the “smart elevator” can monitor dozens of state parameters. Once a lift something, the center of the big screen map that is displayed, the first time to complete the remote fault diagnosis, maintenance personnel quickly respond to “prescribe the right medicine.” For the newly installed elevator, Internet of Things related modules can be embedded; for in-use elevator, but also easy to install.
Remote sensing of the key components of the Prophet
Elevator Internet of things is not “hindsight”, but “cure disease.” For example, for the elevator door is the card such a common fault, the door sensor can monitor the size of the door closing resistance, if the normal closing current as long as 1 ampere, and the fault before the current often used to 1.5 amps, is likely that the elevator door Pulley, chute there is a foreign body. According to reports, the elevator door is blocked by some small rubbish, the switch resistance will increase, and “wisdom elevator” not only in advance to foresee the failure, but also accurately determine which floor elevator door obstacles.
Even more amazing is that the “wisdom elevator” Internet of things can take the initiative to “remote sensing” detection and found potential risks. Take the elevator brake – brake, for example, elevator Internet of things in the morning when the dead of night, to the “wisdom elevator” issued instructions, suspended, no one, and then brake verification test. Internet of things to the elevator motor torque, analog elevator in the case of overloading afterburner to see whether it can stop in the specified floor. If you find the brakes a little powerless, then it is necessary to arrange “preventive maintenance”, take preventive measures.
Maintenance is no longer “go through the motions”
With the new generation of elevator running state safety monitoring system spread, “wisdom elevator” plan in 2018 to more than 10 million units. At the same time, the new system is changing the traditional model of maintenance operations.
At present, more than 90% of elevator enterprises after-sales maintenance, inspection methods, still rely on a pen, a piece of paper, pen records information can not quickly query, search and analysis. In many cases, some routine maintenance is often just an understatement “make a hook, go through the motions.” And supporting the Internet of things, it is based on the mobile terminal maintenance service management. Maintenance personnel are holding a similar mobile phone terminal work, in the handheld terminal to accept the system to distribute the “job package”, they did not to the maintenance site, to how much time, whether the step-by-step operation, one by one record. Even in some parts of the “operation”, the intelligent terminal support photo upload, to the control personnel “live” process, until the task fully compliance.