Building egress lighting apparatus, system, method and computer program product

1. An ambient lighting luminaire comprising:

an emergency egress light module;

a housing configured to be positioned above a designated egress path, the housing includes

a first receptacle configured to receive and couple the emergency egress light module thereto, and, under a condition the emergency egress light module is coupled to the first receptacle, the emergency egress light module is configured to rotate horizontally about a vertical axis thereof to align a center beam of the emergency egress light module in proximity to a central longitudinal axis of the designated path of egress below; and

a second receptacle configured to receive and couple an ambient light source thereto;

a primary building power source interface configured to power the ambient lighting source;

a secondary power source interface configured to controllably power the emergency egress light module; and

a power management module configured to electrically couple the secondary power source interface to power the emergency egress lighting light module under a condition that the primary building power of the ambient lighting luminaire is interrupted, wherein

the designated egress path is illuminated to form an illuminated path of egress during operation of the emergency egress light module, and

the emergency egress light module includes a dedicated optical lens covering and is configured to retain at least one lamp, the dedicated optical lens of the emergency egress light module providing directionality to light that passes therethrough.

2. The ambient lighting luminaire of claim 1 , wherein the first receptacle is configured to receive power, or power and data.

3. The ambient lighting luminaire of claim 2 , wherein the second receptacle is configured to have an IOT device detachably attach thereto.

4. The ambient lighting luminaire of claim 1 , wherein the emergency egress light module is detachably attached to the first receptacle.

5. The ambient lighting luminaire of claim 1 , wherein the emergency egress light module has a bi-directional data communication capability.

6. The ambient lighting luminaire of claim 1 , wherein a size of the emergency egress light module is set according to a mounting height of the ambient light luminaire.

7. The ambient lighting luminaire of claim 1 , further comprising another emergency egress light module that differs from emergency egress light module by at least one of an optical beam pattern, a number of lamps, and an input power.

8. The ambient lighting luminaire of claim 1 , further comprising a mechanical device that secures the ambient light source against rotation, or rotation and disengagement.

9. The ambient lighting luminaire of claim 1 , wherein the secondary power source interface is connected to a remote secondary power source configured to power at least one emergency egress light module.

10. The ambient lighting luminaire of claim 9 , wherein the remote secondary power source also provides power to at least one device other than the emergency egress light module.

11. The ambient lighting luminaire of claim 1 , wherein at least one of the first receptacle and the second receptacle is mechanically secured against rotation.

12. The ambient lighting luminaire of claim 1 , further comprising an indicator light that controllably illuminates to show a state of operational readiness of the at least one emergency egress lighting module.

13. The ambient lighting luminaire of claim 1 , wherein the emergency egress lighting module is configured to be periodically self-tested.

14. The ambient lighting luminaire of claim 1 , wherein the emergency egress light module is powered by the primary building power source during use in a non-emergency mode.

15. The ambient lighting luminaire of claim 1 , further comprising an IoT device that receives power from the primary building power source and the secondary power source.

16. The ambient lighting luminaire of claim 1 , wherein the ambient lighting luminaire is communicatively coupled to at least one other luminaire and/or a remote client.

17. The ambient lighting luminaire of claim 1 , wherein the ambient lighting luminaire further comprises an onboard processor that is coupled to at least one of the emergency egress light module, the primary power source, the secondary power source, a communication device, a sensing device, and an output device other than the ambient light source.

18. The ambient lighting luminaire of claim 17 , wherein the ambient lighting luminaire further comprises onboard processor code that upon execution by the onboard processor executes an AI algorithm to control one or more of the emergency egress light module, the primary power source, the secondary power source, the communication device, the sensing device, and an output device other than the ambient light source.

19. The ambient lighting luminaire of claim 18 , wherein the AI algorithm has a self-learning and/or a predictive capability.

20. The ambient lighting luminaire of claim 1 , wherein the housing and the emergency egress light module is configured to be non-obstructive for ambient lighting emitted by the ambient light source.

21. A method of operating an ambient lighting luminaire, the method comprising:

connecting an emergency egress light module to a first receptacle of a luminaire housing installed above a designated egress path;

controllably powering an ambient light source coupled to a second receptacle of the luminaire housing with power from a primary building power source;

controllably powering a secondary power source interface of the luminaire housing to a secondary power source;

rotating the emergency egress light module about its vertical axis to align a center beam of the emergency egress light module in proximity to the central longitudinal axis of the designated path of egress below; and

under a condition the primary building power of the ambient lighting luminaire is interrupted, automatically switching the emergency lighting light module to be electrically powered by the secondary power source and illuminating the path of egress below the ambient lighting luminaire during operation of the emergency egress light module.

22. The method of claim 21 , wherein the emergency egress light module includes a dedicated optical lens covering and is configured to retain at least one lamp, optics of the dedicated optical lens of the emergency egress light module being directional.

23. The method of claim 21 , a step of reducing a number of ceiling mounted egress luminaires required by a building code to illuminate the path of egress below the ambient lighting luminaire during interruption of the primary power.