Title:
POWER CONVERSION DEVICE AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2018/074274
Kind Code:
A1
Abstract:
In order to provide a power conversion device that is inexpensive and that prevents damage to elements, the present invention is provided with: a first drive circuit (IC1) that drives a first and a second switch element (Q1, Q2), detects overcurrent in a current flowing in a bridge circuit, and has an output terminal (Fault terminal) that outputs a prescribed voltage signal (0V) when overcurrent is detected; a second drive circuit (IC2) that drives a third and a fourth switch element (Q3, Q4); and transmission elements (D5, D6) that are connected between the output terminal (Fault terminal) of the first drive circuit (IC1) and an input terminals (LIN, HIN) of the second drive circuit (IC2), and transmit the voltage signal (0V) to the input terminals (LIN, HIN).
More Like This:
| JP7080120 | Converter device, control signal generation method and program |
| WO/2014/189022 | MOTOR DRIVE DEVICE |
| JPH01268452 | POWER CONVERTER |
Inventors:
TSUKII KOJI (JP)
TAMURA KENJI (JP)
HASHIMOTO HIROYUKI (JP)
KANBARA EIJI (JP)
TAMURA KENJI (JP)
HASHIMOTO HIROYUKI (JP)
KANBARA EIJI (JP)
Application Number:
PCT/JP2017/036552
Publication Date:
April 26, 2018
Filing Date:
October 06, 2017
Export Citation:
Assignee:
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (JP)
International Classes:
H02M7/12
Foreign References:
| JP2012235632A | 2012-11-29 | |||
| JP2009044810A | 2009-02-26 | |||
| JP2015144496A | 2015-08-06 | |||
| JP2017055481A | 2017-03-16 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
Download PDF: