The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 12, 2023
Filed:
Jul. 16, 2021
Schneider Electric Industries Sas, Rueil-Malmaison, FR;
Zhangji Zhou, Shanghai, CN;
Lei Shi, Shanghai, CN;
Ying Shi, Shanghai, CN;
Bing Shuang, Shanghai, CN;
Haijun Zhao, Shanghai, CN;
Wenhua Wang, Shanghai, CN;
Shuang Sun, Shanghai, CN;
Siyu Liu, Shanghai, CN;
Schneider Electric Industries SAS, Rueil-Malmaison, FR;
Abstract
It is disclosed a motor thermal protection device and operation method thereof. The motor thermal protection device utilizes a power supply of a motor for power supplying and comprises: a capacitor timing circuit, configured to time after the motor is powered off; a power-off time determining unit, configured to perform a reading operation of reading an output voltage of the capacitor timing circuit after the motor is powered on, and determine a power-off time from when the motor is powered off to when the motor is powered on according to the output voltage; and a heat accumulation calculating unit, configured to calculate a remaining heat accumulation when the motor is powered on according to the power-off time and a heat accumulation when the motor is powered off.