A ceiling fan comprising: a fan motor and blade assembly, a mounting tube for suspending the fan motor and blade assembly from a ceiling, and a power supply mounted within the mounting tube configured to power the fan motor. Also a ceiling fan comprising a moulded stator frame, a raised turret integrally moulded within the frame configured to enclose and mount a motor controller, and an external user changeable auxiliary module. Also ceiling fan comprising: a totally enclosed safety extra low voltage fan motor assembly configured to be suspended from an upper side, and a sealing arrangement within the assembly providing a substantial degree of ingress protection against dust and water incident from at least an under side. Also a method comprising providing a ceiling fan comprising moulded stator frame, and mounting an external user changeable auxiliary module to a raised turret integrally moulded within the frame.
1. A ceiling fan comprising
a fan motor and blade assembly,
a mounting tube for suspending the fan motor and blade assembly from a ceiling, and
a switched mode power supply (SMPS) mounted and fully enclosed within the mounting tube configured to power the fan motor.
2. The ceiling fan in claim 1 wherein the SMPS is configured to output a safety extra low voltage to power the fan motor.
3. The ceiling fan in claim 1 wherein the SMPS is configured to output a voltage less than or equal to 60V to power the fan motor.
4. The ceiling fan in claim 1 wherein the SMPS has 2 levels of output isolation.
5. The ceiling fan in claim 1 wherein the fan motor is an electrically commutated (EC) motor.
6. The ceiling fan in claim 5 wherein the fan motor comprises a double rotor, axial flux toroidally wound (TORUS) motor.
7. The ceiling fan in claim 5 further comprising a motor controller configured to control the fan motor using back emf sensing.
8. The ceiling fan in claim 1 further comprising a sealing arrangement within the fan motor and blade assembly providing ingress protection against dust and water incident from at least an underside thereof.
9. The ceiling fan in claim 8 wherein the ingress protection is one of at least water jets incident from at least the underside of the fan motor and blade assembly.
10. The ceiling fan in claim 1 further comprising a mounting on the underside of the fan motor and blade assembly for mounting a changeable auxiliary module.
11. The ceiling fan in claim 10 wherein the mounting is provided integrally moulded with a moulded stator frame.
12. The ceiling fan in claim 11 wherein the mounting is configured to enclose and mount:
a motor controller for the fan motor, and
the changeable auxiliary module.
13. The ceiling fan in claim 10 wherein the changeable auxiliary module is a lighting module.
14. The ceiling fan in claim 1 further comprising a remote control configured to receive a desired speed of the fan motor input by a user.
15. The ceiling fan in claim 14 , wherein the remote control is configured to receive a desired state of the lighting module input by a user.
16. The ceiling fan in claim 1 , wherein the mounting tube is secured to an upper part of the fan motor and blade assembly.
17. The ceiling fan in claim 1 , wherein the mounting tube is secured to a fan motor housing.
18. The ceiling fan in claim 1 , wherein the fan motor and blade assembly comprises blades secured to an outer surface of the fan motor.
19. The ceiling fan in claim 1 , wherein the mounting tube comprises an open lower end above the fan motor and blade assembly.
20. A fan mounting from a ceiling, comprising:
a fan motor having a fan motor housing and connected to a plurality of fan blades;
a mounting tube extending between the fan motor housing of the fan and the ceiling for suspending the fan motor from the ceiling, and
a switched mode power supply mounted and fully enclosed within the mounting tube configured to power the fan motor.
21. The fan of claim 20 , wherein the tube includes a hanger for hanging the fan motor from the ceiling.
22. The fan of claim 20 , further including a lead depending from the power supply for supplying power to the fan motor.
23. The fan of claim 22 , further including a tube extending at least partially within the motor housing for receiving the lead.
24. The fan of claim 20 , wherein the switched mode power supply is connected to at least one plug.
25. The fan of claim 20 , wherein the mounting tube includes an open lower end above the fan motor.
26. A fan mounting from a ceiling, comprising:
a fan motor having a fan motor housing including an upper surface, said fan motor being adapted for rotating a plurality of blades;
a mounting tube for suspending the fan motor from the ceiling, and
a switched mode power supply for supplying power to the fan motor, said switched mode power supply fully enclosed by the mounting tube.
27. The fan of claim 26 , wherein the switched mode power supply is connected to at least one plug.
28. The fan of claim 26 , further including a lead depending from the power supply for supplying power to the fan motor.