A method for controlling a motorized roller shade is provided. The motorized roller shade includes a shade attached to a shade tube, a microcontroller and a DC gear motor disposed within the shade tube. The DC gear motor includes a housing fixed to the shade tube and an output shaft coupled to a sup
A method for controlling a motorized roller shade is provided. The motorized roller shade includes a shade attached to a shade tube, a microcontroller and a DC gear motor disposed within the shade tube. The DC gear motor includes a housing fixed to the shade tube and an output shaft coupled to a support shaft fixed to a mounting bracket. The method includes receiving a command from a remote control, and moving the shade to a position associated with the command by energizing the DC gear motor to rotate the shade tube and the DC gear motor housing while the DC gear motor output shaft and support shaft remain fixed.
대표청구항▼
1. A method for controlling a motorized roller shade that includes a shade attached to a shade tube, a microcontroller and a DC gear motor disposed within the shade tube, the DC gear motor including a housing fixed to the shade tube and an output shaft coupled to a support shaft fixed to a mounting
1. A method for controlling a motorized roller shade that includes a shade attached to a shade tube, a microcontroller and a DC gear motor disposed within the shade tube, the DC gear motor including a housing fixed to the shade tube and an output shaft coupled to a support shaft fixed to a mounting bracket, the method comprising: receiving a command from a remote control; andmoving the shade to a position associated with the command by energizing the DC gear motor with at least one battery located within the shade tube to rotate the shade tube and the DC gear motor housing while the DC gear motor output shaft and support shaft remain fixed. 2. The method according to claim 1, wherein the remote control is a wireless transmitter, the motorized roller shade includes a wireless receiver and the method further comprises receiving a wireless message, including a transmitter identifier and the command, from the wireless transmitter. 3. The method according to claim 2, wherein each command is associated with one of a plurality of positions including 0% open, 25% open, 50% open, 75% open and 100% open. 4. The method according to claim 3, further comprising: receiving a second wireless message from the wireless transmitter, including a transmitter identifier and a different command, while the shade is moving in an upward direction; andstopping the movement of the shade if the position associated with the different command is 0% open. 5. The method according to claim 3, further comprising: receiving a second wireless message from the wireless transmitter, including a transmitter identifier and a different command, while the shade is moving in a downward direction; andstopping the movement of the shade if the position associated with the different command is 100% open. 6. The method according to claim 3, wherein the command is associated with the 25% open, 50% open or 75% open position and the method further comprises: receiving a second wireless message from the wireless transmitter, including a transmitter identifier and a different command associated with the 25% open, 50% open or 75% open position, while the shade is moving; andmoving the shade to the predetermined position associated with the different command. 7. A method for controlling a motorized roller shade that includes a shade attached to a shade tube, a microcontroller and a DC gear motor disposed within the shade tube, the DC gear motor including a housing fixed to the shade tube and an output shaft coupled to a support shaft fixed to a mounting bracket, the method comprising: receiving a command from a remote control; andmoving the shade to a position associated with the command by energizing the DC gear motor to rotate the shade tube and the DC gear motor housing while the DC gear motor output shaft and support shaft remain fixed,wherein the DC gear motor includes a motor shaft, and the method further comprises:detecting a manual movement of the shade using a sensor;determining a displacement associated with the manual movement by measuring a rotation of the motor shaft using an encoder; andif the displacement is less than a maximum displacement, moving the shade to a different position by energizing the DC gear motor to rotate the shade tube and the DC gear motor housing while the DC gear motor output shaft and support shaft remain fixed. 8. The method according to claim 7, wherein the manual movement is a downward movement. 9. The method according to claim 7, wherein the maximum displacement is about 2inches. 10. The method according to claim 7, wherein the encoder is a magnetic, optical or mechanical encoder. 11. The method according to claim 10, wherein the maximum displacement is associated with a predetermined number of encoder pulses. 12. The method according to claim 11, wherein each of the plurality of positions is associated with a different number of magnetic, optical or mechanical encoder pulses. 13. The method according to claim 12, wherein said moving the shade to a different position includes energizing the DC gear motor, measuring the rotation of the motor shaft using the encoder, and de-energizing the DC gear motor. 14. The method according to claim 13, wherein the different position is associated with a number of encoder pulses. 15. The method according to claim 14, wherein the encoder is a magnetic encoder and said measuring the rotation includes counting the number of pulses generated by a multi-pole magnet attached to the motor shaft. 16. The method according to claim 7, wherein said moving the shade is based on the current position of the shade. 17. The method according to claim 7, wherein the different position is one of a plurality of positions including 25% open, 50% open, 75% open and 100% open. 18. The method according to claim 17, wherein said moving the shade to a different position includes moving the shade to the predetermined position directly above the current position. 19. The method according to claim 7, further comprising if the displacement is greater than the maximum displacement, assigning the current position of the shade to one of a plurality of positions including 0% open, 25% open, 50% open and 75% open. 20. The method according to claim 1, wherein the DC gear motor includes a motor shaft, and the method further comprises: sensing a rotation of the shade tube, associated with a manual movement, by measuring the rotation of the motor shaft using an encoder; andif the rotation of the motor shaft is less than a predetermined number of encoder pulses, moving the shade to a different position by energizing the DC gear motor to rotate the shade tube and the DC gear motor housing while the DC gear motor output shaft and support shaft remain fixed, measuring the rotation of the motor shaft using the encoder, and de-energizing the DC gear motor when the rotation of the motor shaft equals a number of encoder pulses associated with the different position. 21. The method according to claim 1, further comprising: supplying a battery voltage to the DC gear motor that is less than the DC gear motor rated voltage; anddrawing less current than the DC gear motor rated current to enhance system efficiency and sound levels. 22. The method according to claim 21, wherein the battery is an alkaline, zinc or lead acid battery. 23. The method according to claim 1, further comprising: after the shade has been moved to the position associated with the command, applying a brake. 24. The method according to claim 23, further comprising: prior to moving the shade to the position associated with the command, releasing the brake. 25. A method for controlling a motorized roller shade that includes a shade attached to a shade tube, a microcontroller and a DC gear motor disposed within the shade tube, the DC gear motor including a housing fixed to the shade tube and an output shaft coupled to a support shaft fixed to a mounting bracket, the method comprising: counterbalancing the shade tube against a weight associated with the shade with a spring assembly located within the shade tube;receiving a command from a remote control; and moving the shade to a position associated with the command by energizing the DC gear motor to rotate the shade tube and the DC gear motor housing while the DC gear motor output shaft and support shaft remain fixed.
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