Elevator overspeed governor speed measurement system

The elevator speed governor speed measurement system using wireless communication solves the problems of narrow measurement range, low accuracy and inconvenient operation in the existing technology, and realizes efficient and accurate speed governor speed measurement, which is suitable for the testing needs of different elevator models.

CN122126718APending Publication Date: 2026-06-02JIANGSU SECURITY TECH CARRER ACADEMY +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU SECURITY TECH CARRER ACADEMY
Filing Date
2026-03-23
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Current speed limiter speed measurement devices have a narrow measurement range, low accuracy, inconvenient operation, inability to simulate real operating scenarios, and data transmission relies on wired connections, resulting in low testing efficiency and insufficient data integrity.

Method used

The elevator speed governor speed measurement system using wireless communication includes a drive unit, a control unit, a power supply unit, an electrical contact detection unit, and a host computer. It achieves data transmission through wireless communication, simulates the complete operation process of the elevator from start-up to overspeed, and accurately measures the electrical and mechanical protection speed of the speed governor.

Benefits of technology

It achieves a wide measurement range, high accuracy, and convenient wireless data transmission. It can simulate real operating scenarios, improve testing efficiency and data integrity, and is highly adaptable to the testing needs of different models of speed limiters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses an elevator speed limiter speed measuring system, comprising: a driving device for driving the rotation of a speed limiter wheel; a control device for receiving instructions and controlling the rotation speed and acceleration of the driving device; a power supply device for supplying power to the driving device and the control device; a charging device for charging a battery in the power supply device; an electrical contact detection device for detecting the on-off state of the electrical contact of the speed limiter in real time; a wireless communication device for realizing the bidirectional data interaction between the control device and an upper computer; and the upper computer for realizing the information transmission with the control device through the wireless communication device. The application realizes the accurate and efficient measurement of the electrical protection speed and the mechanical protection speed of the speed limiter, has the functions of wireless data transmission and simulation of the real speed change process, and meets the high-standard requirements of the elevator safety detection.
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