Lift truck with internal temperature monitor and system

Details Lift truck with internal temperature monitor and system Lift truck with internal temperature monitor and system

B - Operations, Transporting

60

L

B60L 3/00 (2006.01) B66F 9/075 (2006.01) G01R 31/34 (2006.01) H02H 6/00 (2006.01) H02H 7/08 (2006.01) H02K 11/00 (2006.01) H02H 7/085 (2006.01)

Patent

CA 2170011

A lift truck 1 has a current monitor 210 and a voltage monitor 250 to monitor the field current and the field voltage in field winding 142 of a traction motor TM. The monitored current and voltage signals are operated on by a microprocessor 33 to generate a resistance signal. The resistance signal is compared to known temperature-resistance data for the winding 142 to generate a temperature signal.

Chariot élévateur (1) ayant un contrôleur de courant (210) et un contrôleur de tension (250) pour contrôler le courant inducteur et la tension induite dans un enroulement d'excitation (142) d'un moteur de traction (TM). Les signaux relatifs au courant contrôlé et à la tension sont transformés par un microprocesseur (33) pour produire un signal de résistance. Le signal de résistance est comparé à des données sur la résistance à la température connues pour que l'enroulement (142) produise un signal de température.

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