Fresh air device and fresh air system

[0038] Please refer to Figure 1 to Figure 9 , the present embodiment provides a fresh air device 10, which can selectively use air filtration and purification functions, avoiding the waste caused by the use of filtration functions for air that does not need to be filtered and purified, and thereby reducing the burden on the filter assembly 400 and The service life of the filter assembly 400 is improved, and the user's use cost is reduced.

[0039] see Figure 1 to Figure 3 , The fresh air device 10 provided in this embodiment includes a fan assembly 300, a switch 200, a filter assembly 400 and a device body. The device body is provided with an air inlet 101, a first air outlet 102 and a second air outlet 103; the filter assembly 400 is located in the device body and is arranged near the first air outlet 102, and the fan assembly 300 is arranged in the device body and is used to pass through the air inlet 101 Air intake; the switch 200 is movably connected with the device body

[0065] Please refer to Figure 1 to Figure 9 , the present embodiment provides a fresh air system, which has the similar effect of the fresh air device 10 above: the air filtration and purification functions can be selectively used, avoiding the waste caused by the use of the filtration function for air that does not need to be filtered and purified, and with This reduces the burden on the filter assembly 400 and improves the service life of the filter assembly 400, reducing the user's use cost.

[0066] The fresh air system provided in this embodiment includes a controller and a fresh air device 10 . The fresh air device 10 includes an air inlet pipe, a fan assembly 300 , a switch 200 , a filter assembly 400 and a device body. The device body is provided with an air inlet 101, a first air outlet 102 and a second air outlet 103; the air inlet pipe is connected to the air inlet 101, the filter assembly 400 is located in the device body and is arranged near the first air outlet 10