High intensity LED illumination device with automated sensor-based control

摘要

A lighting system includes an external sensor that is configured to measure a characteristic value of light received from the lighting system in a location of an environment that is illuminated by the lighting system, and a lighting device. The lighting device includes a plurality of LEDs that include a first group of LEDs that exhibit a first color temperature and a second group of LEDs that exhibit a second color temperature, a housing, and a device controller containing control circuitry that is configured to receive data from the external sensor and automatically alter a characteristic of light emitted by one or more of the LEDs in response to the received data. The housing may include an opening that receives and secures the plurality of LEDs, a body portion that provides a heat sink for the plurality of LEDs, and a power supply.

主权项

1. A lighting system, comprising:
an external sensor that is configured to measure a characteristic value of light received from the lighting system in a location of an environment that is illuminated by the lighting system; and a lighting device comprising:
a plurality of LEDs that include a first group of LEDs that exhibit a first color temperature and a second group of LEDs that exhibit a second color temperature,a housing comprising:
an opening that receives and secures the plurality of LEDs,a body portion that provides a heat sink for the plurality of LEDs, anda power supply that is secured to an area of the body portion that is distal from the opening, anda device controller containing control circuitry that is configured to receive data from the external sensor and automatically alter a characteristic of light emitted by one or more of the LEDs in response to the received data,wherein the control circuitry is programmed so that when the control circuitry receives data from the external sensor indicating that the detected characteristic value of light at the location has moved above or below a threshold, the control circuitry will generate commands to:
control drive currents delivered to the first group of LEDs and the second group of LEDs so that the light received at the location will exhibit a light characteristic that is within the threshold, andcontrol the first group of LEDs and the second group of LEDs so that the illuminance level of the light detected by an illuminance sensor will not substantially change when the drive currents change in response to the commands.