Intelligent digital loop resistance tester

The intelligent loop resistance tester's thimble design and automatic measurement function solve the problems of cumbersome operation and high labor costs of traditional testers, achieving fast and convenient resistance measurement and adapting to complex environments.

CN120594898AActive Publication Date: 2025-09-05STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JIAXING POWER SUPPLY CO
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Patent Information

Application Number
CN202511093558.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-06
Publication Date
2025-09-05
Estimated Expiration
2045-08-06

AI Technical Summary

Technical Problem

Traditional loop resistance testers rely on manual wiring, which is cumbersome and inefficient. In complex environments, the fixtures are prone to getting stuck and cannot adapt to multi-measurement point scenarios, resulting in high labor costs and long testing times.

Method used

Design an intelligent loop resistance tester that integrates wiring functions into the device, adopts a pin design for automatic measurement, combines micro switches and wireless communication to achieve one-button operation, and adapts to different contact surfaces through flexible and adjustable test probes.

Benefits of technology

Significantly reduce manpower requirements, shorten test time, improve test efficiency, adapt to complex environments, and reduce the impact of power outages and economic losses.

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Abstract

An intelligent digital loop resistance tester provided by the present invention comprises a host and a pair of handheld devices, the handheld devices and the host are connected through a cable to form a closed loop, and the handheld devices are fixedly connected with current thimbles and slidably connected with voltage thimbles. The cable is provided with a current lead connected with the current ejector pin and a voltage lead connected with the voltage ejector pin, a sub-control module in wireless communication connection with the host and a microswitch electrically connected with the sub-control module are arranged in the handheld device, and the microswitch is arranged at the tail end of the voltage ejector pin; according to the invention, the wiring function is integrated into the equipment, the traditional manual wiring step is cancelled, all operations can be completed by only one person, and the manpower demand is greatly reduced.
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