CONVERGING-MAGNETIC DIFFERENTIAL SOURCELESS ELECTROMAGNETIC CROSSING ALARM DEVICE

The utility model relates to a converging-magnetic differential sourceless electromagnetic crossing alarm device, which uses a converging-magnetic differential sourceless sensor as a vehicle wheel information sensing device. The discrimination is completed by adopting the logical discrimination in a...

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Bibliographische Detailangaben
Hauptverfasser:	LI LIANXI, ZHANG YULIN, LUO BOMIAN ET AL
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS ENSURING THE SAFETY OF RAILWAY TRAFFIC GUIDING RAILWAY TRAFFIC MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR ORDER TELEGRAPHS PERFORMING OPERATIONS PHYSICS RAILWAYS SIGNALLING SIGNALLING OR CALLING SYSTEMS TARIFF METERING APPARATUS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model relates to a converging-magnetic differential sourceless electromagnetic crossing alarm device, which uses a converging-magnetic differential sourceless sensor as a vehicle wheel information sensing device. The discrimination is completed by adopting the logical discrimination in a wheel after wheel method without an automatic cycle self checking circuit and a fault classification alarm circuit. The utility model has the advantages of low cost and strong interference resistance, and adopts the alternative and direct current power. Thus, the utility model is suitable for areas with no power or with instable power, and is also suitable for electrochemical sections. The converging-magnetic differential sourceless sensor is suitable for various automatic control systems.