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The ARD in the elevator is an automatic rescue device, also known as an elevator emergency rescue device or an elevator emergency power supply. Its main function is to automatically start and provide emergency power to the elevator control system when the elevator fails (such as power outages, line failures, etc.), so that the elevator can slowly run to the leveling position and open the door to release passengers.

According to the Global Elevator and Escalator Market Report (2025), the global green elevator market size will exceed $32 billion in 2024, with an annual growth rate of 9.7%. Driven by the EU's "Building Renovation Wave Plan", Southeast Asia's smart city infrastructure and China's "dual carbon" goals, energy-efficient, low-carbon and environmentally friendly elevator solutions are becoming the new standard for the global construction industry.

The Elevator traction system is the core part of the elevator operation, mainly composed of the following key components:

The Perfect Combination of Safety and Function

The elevator door motor is one of the important components in the elevator system. Its main functions include controlling the opening and closing of the elevator door, maintaining the safe state of the elevator door, and providing necessary feedback informat...

As an indispensable vertical transportation tool in high-rise buildings, the safety and stability of elevators are of vital importance. As one of the key components in the elevator system, the design and maintenance of the elevator traction sheave directly a...

With the acceleration of urbanization and the improvement of people's requirements for quality of life, home elevators have gradually become an indispensable part of modern families. However, in the design and installation process of home elevators, the adju...

As an indispensable vertical transportation tool in modern buildings, the safety of elevators is of vital importance. In order to ensure the safety of elevators during operation, the key components of elevators need to be strictly tested and verified. Among ...

In modern buildings, elevators are important vertical transportation tools, and their performance directly affects the overall function of the building and the user experience. However, over time, elevator equipment may age and malfunction frequently, and it...