Novel automatic bidirectional air regulating device

The invention discloses a novel automatic bidirectional air regulating device, and provides the bidirectional air regulating device for automatic switching between a local fan and a standby local fanduring normal operation; the maintenance rate of the local fan air regulating device is reduced, and internal air leakage of the regulating device is completely eradicated. According to the followingtechnical scheme, the novel automatic bidirectional air regulating device includes a main hair dryer, a standby hair dryer, a three-links shell body, and a chimney fan, wherein an air guiding valve for switching air sources is installed in the three-links shell body; the novel automatic bidirectional air regulating device is characterized in that the three-links shell body is a Y-shaped shell body, the main hair dryer and the standby hair dryer are installed at the wider end of the three-links shell body, and the chimney fan is installed at the other end of the three-links shell body, and themain hair dryer and the sta