Time delay type time relay for railway locomotive

By integrating the design of the time delay relay for railway locomotives, and utilizing components such as processors and optocouplers, the problems of insufficient vibration resistance and environmental adaptability of existing time relays for railway locomotives have been solved. This has enabled accurate and flexible adjustment of the delay time, and improved ease of use.

CN224318394UActive Publication Date: 2026-06-02HARBIN KECHUANG RELAY EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HARBIN KECHUANG RELAY EQUIP CO LTD
Filing Date
2025-06-11
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing time relays for railway locomotives are inadequate in terms of vibration resistance, environmental adaptability, and ease of adjustment, and their lifespan and accuracy are easily affected by locomotive vibration and harsh environments.

Method used

The railway locomotive delay-type time relay with integrated design includes a processor, trigger signal input circuit, power supply circuit and drive circuit inside the housing. It uses optocouplers and high-current Darlington transistor array to drive the relay, and combines power conversion circuit and DIP switch to realize flexible adjustment of delay time.

Benefits of technology

It achieves accurate and flexible adjustment of delay time, improves vibration resistance, reduces the impact of external interference, is easy to use in integrated applications, and adapts to the complex environment of locomotives.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a time relay of delay type for railway locomotive, including casing, is equipped with wiring terminal on casing, wherein, wiring terminal includes trigger terminal, output terminal and power terminal, the inside of casing is equipped with treater, and treater is connected with trigger signal input circuit, power supply circuit and drive circuit, trigger terminal connects trigger signal input circuit, and the signal output end of trigger signal input circuit is connected with the signal input end of treater, power terminal connects power supply circuit, and provides power supply through power supply circuit, the signal output end of drive circuit connects treater, and drive circuit connects output terminal, the utility model discloses through using controller to receive relay trigger signal, uses controller to the signal of relay to delay, guarantees the accuracy of delay time, and delay time is easy to adjust, convenient to use, in addition, the device realizes the use of integration, and when using, only need to connect corresponding wiring terminal.
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Citation Information

Patent Citations

  • Locomotive derailment alarm device

    CN221986441U