Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
INTELLIGENT POWER MODULE AND AIR-CONDITIONER CONTROLLER
Document Type and Number:
WIPO Patent Application WO/2019/047474
Kind Code:
A1
Abstract:
An intelligent power module and an air-conditioner controller. An adjustment circuit (14A, 24A, 34A, 44A, 54A, 64A) is additionally provided between each drive circuit (14, 24, 34, 44, 54, 64) in the intelligent power module and a corresponding IGBT transistor (4121-4126), thus the adjustment circuit (14A, 24A, 34A, 44A, 54A, 64A) can detect, in real time, a change in the supply voltage value of a low-voltage area of the intelligent power module (4100), and enables the module (4100) to stop outputting when the voltage value is excessively low due to fluctuation of a low-voltage power supply, so as to be able to release charges accumulated in the IGBT transistor (4121-4126) in the module (4100) when energy storage of a drive motor (139) causes charge accumulation of the IGBT transistor (4121-4126) in the module (4100), and the adjustment circuit can also continuously release charges completely when the power supply voltage is restored to normal, preventing the impact of the charges on a circuit in the module (4100) from affecting working reliability.

Inventors:
FENG YUXIANG (CN)
Application Number:
CN2018/076068
Publication Date:
March 14, 2019
Filing Date:
February 09, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
GD MIDEA ARI CONDITIONING EQUIPMENT CO LTD (CN)
International Classes:
H02H9/04; H02P27/06
Foreign References:
CN107492879A2017-12-19
CN107492878A2017-12-19
CN107492876A2017-12-19
CN107492875A2017-12-19
CN107492874A2017-12-19
CN107492877A2017-12-19
CN104158428A2014-11-19
CN104620481A2015-05-13
CN202978255U2013-06-05
CN105024531A2015-11-04
KR20100023365A2010-03-04
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
Download PDF: