| 摘要 |
An oxygen supply device in an apartment house is provided to allow the residents to use the device conveniently in the indoor place and to use the device individually or at the same time in different indoor spaces. An oxygen supply device takes the outdoor air, concentrates the oxygen in the air, and provides the oxygen to the indoor place in an apartment house. The oxygen supply device comprises a case(41) mounted on the wall, an air supply valve installed inside the case, a filter mounted inside the case, and a cover(47) installed on the front side of the case. The air supply valve has a solenoid and a fluid passage opening and closing device in order to discharge or block the oxygen flowed in through the pipe. The filter includes an antibacterial filter, a deodorization filter, and a filter case. The cover includes a plurality of vents(471) and a switch(48) for power supply.
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