US 12,276,413 B2
Active thermal-control of a floodlight and associated floodlights
Ihab A. Ali, Cupertino, CA (US); and Duen Hsing Hsieh, Taipei (TW)
Assigned to Google LLC, Mountain View, CA (US)
Filed by Google LLC, Mountain View, CA (US)
Filed on Nov. 21, 2023, as Appl. No. 18/516,220.
Application 18/516,220 is a continuation of application No. 17/662,827, filed on May 10, 2022, granted, now 11,867,386.
Application 17/662,827 is a continuation of application No. 17/178,804, filed on Feb. 18, 2021, granted, now 11,346,539, issued on May 31, 2022.
Prior Publication US 2024/0085011 A1, Mar. 14, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F21V 29/70 (2015.01); F21V 23/02 (2006.01); F21V 29/87 (2015.01); F21V 33/00 (2006.01); H04N 23/51 (2023.01); H04N 23/52 (2023.01); H04N 23/56 (2023.01); H04N 23/667 (2023.01); H05B 45/18 (2020.01); H05B 47/125 (2020.01); F21Y 113/00 (2016.01); F21Y 115/10 (2016.01)
CPC F21V 29/70 (2015.01) [F21V 23/02 (2013.01); F21V 29/87 (2015.01); F21V 33/0052 (2013.01); H04N 23/51 (2023.01); H04N 23/52 (2023.01); H04N 23/56 (2023.01); H04N 23/667 (2023.01); H05B 45/18 (2020.01); H05B 47/125 (2020.01); F21Y 2113/00 (2013.01); F21Y 2115/10 (2016.08)] 20 Claims
OG exemplary drawing
 
1. A floodlight comprising:
a light-emitting diode (LED) array;
at least one sensor, the at least one sensor comprising one or more heat sensors configured to monitor one or more temperatures within the floodlight;
a first heat-transfer subsystem to transfer heat from the LED array to a first housing component containing the LED array;
a second heat-transfer subsystem to transfer heat from one or more power supply units to a second housing component;
logic circuitry configured to:
determine, based on temperature readings from the one or more heat sensors, a temperature profile of the floodlight; and
adjust, based on the temperature profile, electrical power supplied to at least one of the LED array or the at least one sensor to maintain:
a first temperature of a first thermal zone at or below a first prescribed temperature threshold, the first thermal zone including the LED array; and
a second temperature of a second thermal zone at or below a second prescribed temperature threshold, the second thermal zone including the at least one sensor.