Self-calibrating multi-directional security luminaire and associated methods

• US 9,402,294 B2
• Filed: 03/15/2013
• Issued: 07/26/2016
• Est. Priority Date: 05/08/2012
• Status: Active Grant

• Current Assignee: Lighting Science Group Corporation (Pegasus Capital Advisors, L.P.)
• Original Assignee: Lighting Science Group Corporation (Pegasus Capital Advisors, L.P.)
• Inventors: Burns, Benjamin Charles, Beck, John, Holland, Eric, Irvin, Julia Sharon, Thosteson, Eric
• Primary Examiner(s): Kim, Jung
• Application Number:
  US13/842,875
• Publication Number:
  US 20130300290A1
• Time in Patent Office: 1,229 Days
• US Class Current: 1/1
• CPC Class Codes: F21S 8/036 by means of a rigid support, e.g. bracket or arm
• CPC Class Codes: F21V 23/0478 by means of an image recording device, e.g. a camera
• CPC Class Codes: G08B 13/19663 Surveillance related processing done local to the camera
• CPC Class Codes: H05B 47/11 by determining the brightness or colour temperature of ambient light
• CPC Class Codes: Y02B 20/40 Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

A luminaire may include a wall mount and a driver circuit housing connected to the wall mount. The luminaire may also include a camera housing connected to the driver circuit housing, a light source housing connected to the camera housing, and a light source array that includes a plurality of light sources carried by the light source housing. The luminaire may include a prism, a heat sink in thermal communication with the light source array, and a camera carried by the camera housing. The luminaire may also include a sensor and a driver circuit carried by the driver circuit housing. The camera and/or the sensor may be configured to detect the presence and vicinity of an object in the target area. The light sources may be configured to emit light to illuminate the vicinity of the object sensed in the target area.

Claims

1. A luminaire comprising:

a wall mount;

a driver circuit housing connected to the wall mount;

a camera housing connected to the driver circuit housing;

a light source housing connected to the camera housing;

a light source array carried by the light source housing, the light source array including a plurality of light sources;

a plurality of prisms carried by the light source housing adjacent the light source array and arranged to direct light emitted by the light source array to different axial directions, respectively;

a heat sink in thermal communication with the light source array and carried by the light source housing;

a camera carried by the camera housing;

a sensor carried by the camera housing; and

a driver circuit carried by the driver circuit housing;

wherein at least one of the camera and the sensor is configured to detect presence and vicinity of an object in a target area;

wherein at least one of the light sources in the light source array is configured to emit light to illuminate the vicinity of the object sensed in the target area,

wherein the light source array is operated to illuminate the target area; and

wherein different ones of the light sources in the light source array corresponding to different ones of the prisms are selectively operated to illuminate different portions of the target area in a direction of the object sensed in the target area.

2. The luminaire according to claim 1 wherein the light sources are each a light-emitting diode (LED).

3. The luminaire according to claim 1 further comprising a controller wherein the sensor and camera generate data based on a sensed condition;

and wherein the controller operates the light source array based upon the data and established parameters.

4. The luminaire according to claim 3 further comprising a time-keeping device in communication with the controller;

and wherein time-keeping device is configured to generate timing data to operate the light source array based on the timing data.

5. The luminaire according to claim 3 further comprising a network connection in communication with the controller;

wherein data is transmittable through the network connection; and

wherein the light source array is operable responsive to the data transmitted through the network.

6. The luminaire according to claim 5 wherein the data is related to detection of an object in the target area;

and wherein the data is transmitted upon detection of the object in the target area.

7. The luminaire according to claim 1 wherein the luminaire is programmable to recognize a defined object so as not to illuminate the target area upon detecting the defined object.

8. The luminaire according to claim 1 wherein brightness of the light emitted from the light source array is variable depending on at least one of the time of day, size of the object detected in the target area, and detection of a malfunction in at least one of the camera and the sensor.

9. The luminaire according to claim 1 wherein:

the light source housing comprises a first light source housing and a second light source housing;

the light source array comprises a first light source array including a plurality of light sources carried by the first light source housing and a second light source array including a plurality of light sources carried by the second light source housing;

the prisms comprise first prisms carried by the first light source housing adjacent the first light source array and second prisms carried by the second light source housing adjacent the second light source array;

the heat sink comprises a first heat sink in thermal communication with the first light source array and carried by the first light source housing a second heat sink in thermal communication with the second light source array and carried by the second light source housing;

the camera housing includes a first camera housing associated with the first light source housing and a second camera housing associated with the second light source housing;

wherein the camera includes a first camera carried by the first camera housing and a second camera carried by the second camera housing;

wherein the sensor includes a first sensor carried by the first camera housing and a second sensor carried by the second camera housing;

wherein the first and second cameras and the first and second sensors are configured to detect presence and vicinity of an object in a target area;

wherein the first and second light source arrays are positioned within the first and second light source housings respectively to minimize the overlap of the light emitted from each light source array.

17. The luminaire according to claim 1 wherein the luminaire is programmable to recognize a defined object so as not to illuminate the target area upon detecting the defined object.

10. A luminaire comprising:

a first wall mount;

a second wall mount;

a first light source housing connected to the first wall mount;

a second light source housing connected to the second wall mount;

a first light source array carried by the first light source housing, the first light source array including a plurality of light sources;

a second light source array carried by the second light source housing, the second light source array including a plurality of light sources;

first prisms carried by the first light source housing adjacent the first light source array and arranged to direct light emitted by the first light source array to different axial directions, respectively;

a second prism carried by the second light source housing adjacent the second light source array;

a first heat sink in thermal communication with the first light source array and carried by the first light source housing;

a second heat sink in thermal communication with the second light source array and carried by the second light source housing;

a first camera housing associated with the first light source housing;

a second camera housing associated with the second light source housing;

a first camera carried by the first camera housing;

a second camera carried by the second camera housing;

a first sensor carried by the first camera housing;

a second sensor carried by the second camera housing;

a controller in communication with the first and second camera and the first and second sensor;

wherein at least one of the first camera, second camera, first sensor and second sensor is configured to detect presence and vicinity of an object in a target area;

wherein at least one of the light sources in the plurality of light sources is configured to emit light to illuminate the vicinity of the object sensed in the target area;

wherein the first light source array and second light source array are operated to illuminate the target area;

wherein different ones of the light sources in the first light source array corresponding to different ones of the first prisms are selectively operated to illuminate different portions of the target area in a direction of the object sensed in the target area;

wherein the sensor and camera generate data based on a sensed condition; and

wherein the controller operates the light source array based upon the data and established parameters.

11. The luminaire according to claim 10 wherein the second prism is configured to direct the light emitted from the plurality of light sources in a direction of the object sensed in the target area.

12. The luminaire according to claim 10 wherein the light sources are each a light-emitting diode (LED).

13. The luminaire according to claim 10 wherein the light sources in the second light source array are configured to emit light in multiple directions so that upon sensing an object in the target area, a selected at least one light source is illuminable to emit light in the direction of the sensed object.

14. The luminaire according to claim 10 further comprising a time-keeping device in communication with the controller;

and wherein the time-keeping device is configured to generate timing data to operate at least one of the first light source array and the second light source array based on the timing data.

15. The luminaire according to claim 10 further comprising a network interface configured to enable communication with a network;

wherein the controller is in communication with the network interface;

wherein the network interface is operable to receive communications across the network and provide an instruction to the controller; and

wherein the controller operates at least one light source of the plurality of lighting devices responsive to the instruction received from the network interface.

16. The luminaire according to claim 15 wherein the data is related to detection of an object in the target area;

and wherein the data is transmitted upon detection of the object in the target area.

18. The luminaire according to claim 10 wherein brightness of the light emitted from at least one of the first light source array is variable depending on at least one of the time of day, size of the object detected in the target area, and detection of a malfunction in at least one of the camera and the sensor.

19. The luminaire according to claim 10 wherein upon detection of an object in the target area, a selected at least one light source in the second light source array adjacent a selected prism section is illuminated to emit light in the direction of the object sensed in the target area.