Title:
BACK-UP POWER SOURCE APPARATUS IN INDOOR UNIT, CONTROLLING METHOD THEREOF AND MULTI-SPLIT AIR CONDITIONING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/090761
Kind Code:
A1
Abstract:
A back-up power source apparatus (100) in an indoor unit of a multi-split air conditioning system includes first and second voltage detecting circuits (10, 20) and a control circuit (30) connected with the first and second voltage detecting circuits (10, 20). The first and second voltage detecting circuits (10, 20) detect voltages of first and second power sources (401, 402) on a mainboard (200) of the indoor unit in real time respectively, and the control circuit (30) controls the back-up power source apparatus (100) to enter a corresponding operation state according to the voltages of the first and/or second power sources (401, 402). A controlling method of the back-up power source apparatus (100) and a multi-split air conditioning system including the back-up power source apparatus (100) are also provided.
Inventors:
LIANG ZHANHENG (CN)
JIANG YANJING (CN)
XIONG MEIBING (CN)
JIANG YANJING (CN)
XIONG MEIBING (CN)
Application Number:
PCT/CN2015/074325
Publication Date:
June 16, 2016
Filing Date:
March 16, 2015
Export Citation:
Assignee:
GD MIDEA HEATING & VENTILATING EQUIPMENT CO LTD (CN)
MIDEA GROUP CO LTD (CN)
MIDEA GROUP CO LTD (CN)
International Classes:
H02J9/06
Foreign References:
| CN101604867A | 2009-12-16 | |||
| CN201213222Y | 2009-03-25 | |||
| US6825578B2 | 2004-11-30 | |||
| CN101202468A | 2008-06-18 | |||
| US20010017485A1 | 2001-08-30 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (Trade Building Zhaolanyuan, Tsinghua University, Qinghuayuan, Haidian District, Beijing 4, CN)
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