Misting fan

Abstract

A misting fan includes a fan assembly including fan blades and a first electric motor for driving the fan blades; a support assembly supporting the fan assembly; a nozzle spraying a water mist; a second electric motor and a water pump, where the second electric motor drives the water pump to supply a water source to the nozzle; and a power supply assembly for supplying power to the first electric motor and the second electric motor, where the power supply assembly includes a first power interface and a second power interface, the first power interface is configured to be electrically connected to a battery pack, and the second power interface is configured to be electrically connected to an external power supply. The power supply assembly further includes a charging circuit, and the charging circuit charges the battery pack using the external power supply when a charging condition is satisfied.

What is claimed is: 
     
         1 . A misting fan, comprising:
 a fan assembly comprising fan blades and a first electric motor for driving the fan blades to rotate;   a support assembly configured to support the fan assembly;   a nozzle disposed on the fan assembly and configured to spray a water mist;   a second electric motor and a water pump, wherein the second electric motor drives the water pump to supply a water source to the nozzle; and   a power supply assembly for supplying power to the first electric motor and the second electric motor;   wherein the power supply assembly comprises a first power interface and a second power interface, the first power interface is configured to be electrically connected to a battery pack, the second power interface is configured to be electrically connected to an external power supply, the power supply assembly further comprises a charging circuit, and the charging circuit charges the battery pack using the external power supply when a charging condition is satisfied.   
     
     
         2 . The misting fan according to  claim 1 , wherein the charging condition is that input power of the external power supply is greater than a required power for use of the misting fan. 
     
     
         3 . The misting fan according to  claim 1 , wherein when input power of the external power supply is less than a required power for use of the misting fan and the first power interface is electrically connected to the battery pack, the battery pack and the external power supply jointly supply power to the misting fan. 
     
     
         4 . The misting fan according to  claim 1 , wherein when input power of the external power supply is equal to a required power for use of the misting fan or the first power interface is not electrically connected to the battery pack, only the external power supply supplies power to the misting fan. 
     
     
         5 . The misting fan according to  claim 1 , wherein the second power interface is a direct current interface. 
     
     
         6 . The misting fan according to  claim 5 , wherein the second power interface is a bidirectional Type-C interface. 
     
     
         7 . The misting fan according to  claim 6 , wherein when the second power interface is connected to a second powered device and the first power interface is electrically connected to the battery pack, the battery pack supplies power to the second powered device. 
     
     
         8 . The misting fan according to  claim 1 , wherein the second power interface is an alternating current interface, and the power supply assembly further comprises an alternating current-direct current conversion circuit. 
     
     
         9 . The misting fan according to  claim 1 , wherein the power supply assembly is disposed on the support assembly. 
     
     
         10 . The misting fan according to  claim 1 , wherein the charging circuit comprises a direct current-direct current conversion circuit. 
     
     
         11 . The misting fan according to  claim 1 , wherein an angle between an extension direction of the first power interface and a horizontal plane extending along a front and rear direction is greater than or equal to 0° and less than or equal to 30°. 
     
     
         12 . The misting fan according to  claim 1 , wherein an angle between an extension direction of the second power interface and a horizontal plane extending along a front and rear direction is greater than or equal to 0° and less than or equal to 30°. 
     
     
         13 . The misting fan according to  claim 1 , further comprising a wireless communication module communicatively connected to a remote device, wherein the wireless communication module adopts a Bluetooth or Wi-Fi communication protocol, and the remote device remotely controls, based on the wireless communication module, spraying of the nozzle to be enabled and/or disabled. 
     
     
         14 . The misting fan according to  claim 13 , further comprising a third electric motor for driving the fan assembly to oscillate, wherein the remote device remotely controls, based on the wireless communication module, the misting fan to oscillate. 
     
     
         15 . The misting fan according to  claim 13 , further comprising a control motherboard, wherein the wireless communication module is disposed on the control motherboard. 
     
     
         16 . A misting fan, comprising:
 a fan assembly comprising fan blades and a first electric motor for driving the fan blades to rotate;   a support assembly configured to support the fan assembly;   a nozzle disposed on the fan assembly and configured to spray a water mist;   a second electric motor and a water pump, wherein the second electric motor drives the water pump to supply a water source to the nozzle; and   a power supply assembly comprising a first power interface configured to be electrically connected to a battery pack and a second power interface configured to be electrically connected to an external power supply configured to charge the battery pack and/or supply power to the misting fan.   
     
     
         17 . A misting fan, comprising:
 a fan assembly comprising fan blades and a first electric motor for driving the fan blades to rotate;   a support assembly configured to support the fan assembly;   a nozzle disposed on the fan assembly and configured to spray a water mist;   a second electric motor and a water pump, wherein the second electric motor drives the water pump to supply a water source to the nozzle; and   a power supply assembly comprising a first power interface configured to be electrically connected to a battery pack and a second power interface configured to be electrically connected to an external powered device;   wherein the battery pack is configured to supply power to the misting fan and/or the external powered device based on the second power interface.   
     
     
         18 . The misting fan according to  claim 17 , wherein the second power interface is a bidirectional Type-C interface. 
     
     
         19 . The misting fan according to  claim 17 , wherein the second power interface is further configured to be electrically connected to an external power supply for charging the battery pack and/or supplying power to the misting fan. 
     
     
         20 . The misting fan according to  claim 19 , wherein when the external power supply charges the battery pack and/or supplies power to the misting fan, input power of the external power supply is greater than a required power for use of the misting fan.