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:
Sep. 13, 2022
Filed:
Mar. 13, 2019
Jing-jin Electric Technologies Co., Ltd, Beijing, CN;
JING-JIN ELECTRIC TECHNOLOGIES CO., LTD., Beijing, CN;
Abstract
The present disclosure discloses a discharge controlling circuit of an electric-motor controller, wherein the discharge controlling circuit includes a discharging-signal transmitting circuit, a switch circuit and a discharging circuit; the switch circuit is connected respectively to the discharging-signal transmitting circuit and the discharging circuit; the discharging circuit is connected to an anode of a busbar; an input end of the discharging-signal transmitting circuit is connected to a discharging-signal outputting pin of the electric-motor controller, and an output end of the discharging-signal transmitting circuit is connected to a cathode of the busbar; the discharging-signal transmitting circuit is configured to output a controlling signal to the switch circuit according to a received discharging signal; and the switch circuit is connected to the anode of the busbar, the cathode of the busbar and the output end of the discharging-signal transmitting circuit, and is configured to be turned on according to the received controlling signal and discharge via the discharging circuit. The discharge controlling circuit of an electric-motor controller of the present embodiment can realize active quick discharging, which prevents the risk of high-voltage leakage, and guarantees the safety of the electric-motor controller.