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Cover Story February 2024

Spotlight – TK Elevator India February 2024

Elevator Technology and Safety: Achieving Higher Grounds

Modern elevators are equipped with cutting-edge control systems that constantly monitor and adjust the elevator’s performance. These systems utilize sophisticated algorithms to detect any irregularities or malfunctions in real-time, triggering immediate corrective actions. Regular maintenance and inspections further ensure that the elevators operate at peak performance, minimizing the risk of accidents. MANISH MEHAN, CEO & MD, TK ELEVATOR INDIA, dilates how technology is reshaping the safety landscape in the elevator industry.

Elevator safety has become a paramount concern as the demand for taller structures grows and urban infrastructure becomes increasingly intricate. Technological advancements are revolutionizing vertical transportation, enhancing its safety, efficiency, and convenience. According to a recent study conducted by Technavio, the elevator and escalator market in India is projected to expand by USD 784.24 million between 2022 and 2027, boasting a Compound Annual Growth Rate (CAGR) of 8.9%. The industry’s growth will be propelled by the proliferation of high-speed metro projects, a surge in disposable income and economic development, and the increasing number of office spaces and commercial establishments.

One of the most notable advancements in elevator safety is the implementation of real-time sensors designed to detect irregularities. As towering structures become more prevalent and urban infrastructure grows increasingly intricate, prioritizing elevator safety has gained immense significance. This technology represents a profound and transformative influence on elevator safety, transcending mere incremental enhancements and reshaping the safety landscape significantly.

Elevator safety is undergoing a fundamental transition because of cutting-edge technology breakthroughs. Destination Selection Control (DSC) technology, for instance, streamlines passenger experiences by efficiently assigning elevator vehicles to travellers heading to the same location, lowering wait and travel times while minimizing crowding. Smart elevators powered by the Internet of Things (IoT) not only monitor performance but also make real-time maintenance choices, detecting and preventing problems before they arise. Meanwhile, modern solutions such as the “TWIN” elevator reduce energy usage while accommodating more passengers in the same shaft space. With sheer speed elevators whisking people from ground to pinnacle in minutes and transit management systems increasing efficiency, the future of elevator safety is defined by a marriage of technology and design, promising not only greater security but also increased efficiency.

Sensors for Detecting Anomalies

Elevator sensors that identify anomalous behavior are critical to guaranteeing passenger safety and elevator reliability. Here is a breakdown of some typical elevator sensors and how they detect anomalous behavior:

Cable Tension Sensors:

Elevator cables oversee the transporting of the elevator car and its passengers. Cable tension sensors are used to continuously measure the tension in these cables. Any odd conduct, such as an abrupt spike or decrease in stress, can be a sign of a problem. Thus, if a cable begins to fray or weaken, the sensor detects the change in strain and sends a warning. This early warning system aids in the prevention of cable failures, which could be dangerous.   

Brake Performance Sensors:

An elevator’s braking procedure is critical for safety during both normal operation and emergencies. The quality and performance of the elevator’s brakes are continuously monitored by brake performance sensors. They can send a warning if they identify aberrant behavior, such as increased wear or diminished braking efficiency. This assures that the elevator is removed from service for repair prior to a severe brake failure.

Sensors for Vibration and Acceleration:

The elevator’s vibration and acceleration sensors act as internal detectives. They regularly check the elevator’s movements and vibrations for anything out of the ordinary. They promptly issue maintenance alerts if they detect odd vibrations or accelerations that could signal mechanical faults such as misalignment or imbalance. This preventative mechanism maintains the elevator working efficiently while maintaining passenger safety.

Overload Sensors:

The vigilant defenders of elevator safety, keep track of the combined weight of people and luggage in the elevator. When this weight exceeds the safe limit, these sensors immediately stop the elevator from moving until the excess weight is decreased. This proactive precaution assures passenger safety as well as the elevator’s structural integrity. The VG beam sensor, which has an unlimited capacity and monitors weight through crosshead beam deflection, is a highly recommended solution for boosting safety in both new installations and modernizations of larger cabins and goods elevators.

Remote monitoring and control solutions showed a new era of elevator safety, significantly elevating its standards. In emergency situations, the monitoring system acts as a vital lifeline, swiftly transmitting critical information to first responders. Beyond mere notifications, the system offers precise location tracking, delivering real-time data on elevator status and potential threats inside, thereby expediting rescue operations. This wealth of information not only informs but also dramatically enhances the speed and safety of passenger rescue efforts.

Furthermore, these solutions extend their impact beyond safety, upholding sustainability by reducing electricity consumption through intelligent elevator integration. Real-time monitoring and data analysis empower elevators to optimize their operations, effectively curbing energy usage and operational expenses for building owners. This eco-conscious approach aligns seamlessly with global initiatives to reduce carbon footprints, seamlessly integrating elevators into the green construction movement. In doing so, they benefit both passengers and the environment, presenting a win-win situation that underscores safety, convenience, and ecological responsibility.

Enhancing User Safety

Enhancing passenger safety within the elevator is just one facet of an all-encompassing transportation experience that transcends safety concerns. The elevator experience becomes more efficient with reduced waiting time, thanks to the seamless operation ensured by real-time monitoring and predictive maintenance. Furthermore, proactive maintenance protocols guarantee the dependable operation of elevators, particularly in bustling buildings, ultimately leading to minimal downtimes and disruptions.

A few of the elevator precaution that needs to be maintained while riding in the elevator are:

  • Prior to entering, passengers should wait for others to leave
  • Passengers should never try to hold the doors open or push others
  • It is advisable that passengers should never use an elevator during a fire; but instead go for stairs
  • Passengers should use the phone or the emergency button to call for assistance in an emergency
  • Passengers should be careful with young children and animals in the elevator
  • Passengers should let the lift come to a complete stop while getting out

The utilization of various cutting-edge technologies has ushered in a new era of elevator safety, particularly in the context of ascending to unprecedented heights. This transformation is largely attributed to innovations like smart elevators enabled by IoT technology, the incorporation of Cloud predictive space, and the adoption of cable-free elevator systems. These advancements have not only bolstered safety measures but also fundamentally changed the way we approach elevator safety. By integrating advanced sensors for anomaly detection and implementing remote monitoring systems, the traditional reactive approach to safety has evolved into a proactive and predictive endeavor.

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