Sensor board for luminaire/lighting system
According to some embodiments, a sensor board may be used with a luminaire. The sensor board may include an environment sensor disposed on a first side of the sensor board to function in a first direction and a color sensor disposed on a second side of the sensor board to function in a second direction. The environment sensor may include an adjustable lens assembly. The environment sensor and the color sensor may be oriented 180° apart from each on the sensor board and the first direction may be oriented 180° apart from the second direction.
1. A sensor board for use with a luminaire, the sensor board comprising:
an environment sensor disposed on a first side of the sensor board to function in a first direction; and
a color sensor disposed on a second side of the sensor board to function in a second direction,
wherein the environment sensor and the color sensor are oriented 180° apart from each other on the sensor board, the first direction is oriented 180° apart from the second direction, and the environment sensor comprises an adjustable lens assembly to set a predefined field of view.
2. The sensor board of claim 1 , wherein the environment sensor is configured to face away from a luminaire.
3. The sensor board of claim 2 , wherein the color sensor is configured to face towards the luminaire.
4. The sensor board of claim 1 , wherein the color sensor comprises an RGB pixel array to measure both an RGB content of a luminaire and a luminous flux of the luminaire, wherein the RGB pixel array is disposed on a photo sensitive area of a chip and each pixel in the RGB pixel array comprises a built-in transmission gate.
5. The sensor board of claim 1 , wherein the environment sensor and the color sensor are connected to a microcontroller unit via an inter-integrated circuit interface.
6. The sensor board of claim 1 , wherein an orientation of the environment sensor is configured to limit light being incident from the luminaire to eliminate false ambient light readings.
7. The sensor board of claim 1 , wherein an orientation of the RGB color sensor is configured to receive direct light from the luminaire.
8. A sensor board for use with a luminaire, the sensor board comprising:
a camera disposed on a first side of the sensor board and facing away from a luminaire; and
a color sensor disposed on a second side of the sensor board to face towards the luminaire,
wherein the camera and the color sensor are oriented 180° apart from each other on the sensor board, a direction of the camera is oriented 180° apart from a direction of the color sensor, and the camera comprises an adjustable lens assembly to set a predefined field of view.
9. The sensor board of claim 8 , wherein the color sensor comprises an RGB pixel array to measure both an RGB content of a luminaire and a luminous flux of the luminaire, wherein the RGB pixel array is disposed on a photo sensitive area of a chip and each pixel in the RGB pixel array comprises a built-in transmission gate.
10. The sensor board of claim 8 , wherein the camera and the RGB color sensor are connected via an actuator sensor interface.
11. The sensor board of claim 8 , wherein the camera and the RGB color sensor are connected to a microcontroller unit via an inter-integrated circuit interface.
12. The sensor board of claim 8 , wherein an orientation of the camera is configured to limit light being incident from the luminaire to eliminate false ambient light readings and an orientation of the RGB color sensor is configured to receive direct light from the luminaire.
13. A sensor board for use with a luminaire, the sensor board comprising:
an environment sensor disposed on a first side of the sensor board to function in a first direction; and
an RGB color sensor disposed on a second side of the sensor board to function in a second direction,
wherein the environment sensor and the RGB color sensor are oriented 180° apart from each other on the sensor board, the first direction is oriented 180° apart from the second direction, and the environment sensor comprises an adjustable lens assembly to set a predefined field of view.
14. The sensor board of claim 13 , wherein the RGB color sensor comprises an RGB pixel array to measure both an RGB content of a luminaire and a luminous flux of the luminaire.
15. The sensor board of claim 14 , wherein the RGB pixel array is disposed on a photo sensitive area of a chip.
16. The sensor board of claim 14 , wherein the RGB pixel array comprises 15×15 photodiodes with a pixel size of 30 μm×30 μm.
17. The sensor board of claim 14 , wherein each pixel in the RGB pixel array comprises a built-in transmission gate.
18. The sensor board of claim 14 , wherein the RGB pixel array comprises a plurality of red filter covered photodiodes, green filter covered photodiodes, and blue filter covered photodiodes.
19. The sensor board of claim 18 , wherein a sensitivity of the blue filter covered photodiodes is less than a sensitivity of the red filter covered photodiodes and a sensitivity of the green filter covered photodiodes.
20. The sensor board of claim 18 , wherein a number of blue filter covered photodiodes in the RGB pixel array is larger than a number of red filter covered photodiodes and green filter covered photodiodes.