Title:
空気調和機
Document Type and Number:
Japanese Patent JP6405997
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To surely execute sequence for connecting/disconnecting negative voltage and positive voltage supplied to a high-voltage power supply part, and constitute double insulation on an air cleaning unit at low cost, in an air conditioner including the air cleaning unit containing the high-voltage power supply part.SOLUTION: An air conditioner includes: a direct current power supply 32 in which the primary side and secondary side of an input power supply are transformed for insulation, and an air cleaning unit is operated; a switch 14 connected in series between a positive output end 32b of the direct current power supply 32 and a positive input end 16a of the air cleaning unit 16; and a switch 15 connected in series between a negative output end 32c of the direct current power supply 32 and a negative input end 16b of the air cleaning unit 16. The switch 14 is turned off when an opening/closing panel is opened, and the switch 15 is turned off when a filter is removed.SELECTED DRAWING: Figure 2
Inventors:
Takeshi Murakami
Application Number:
JP2014261500A
Publication Date:
October 17, 2018
Filing Date:
December 25, 2014
Export Citation:
Assignee:
Fujitsu General Limited
International Classes:
F24F11/89; B01D46/42; B03C3/011; B03C3/02; B03C3/70; F24F1/00; F24F11/88; F24F13/20; F24F13/28; H02H5/12
Domestic Patent References:
| JP1151446A | ||||
| JP10274421A | ||||
| JP2007147181A | ||||
| JP2006234246A | ||||
| JP5621109U |
Foreign References:
| US20070039472 | ||||
| US4261712 |