An improved LED lighting system is provided for overhead ceiling lighting, as well as for other uses. The LED lighting system comprises elongated linear lamps having an LED luminary as a source of illumination and configured to operate as a node of an automated networked lighting system. The linear
An improved LED lighting system is provided for overhead ceiling lighting, as well as for other uses. The LED lighting system comprises elongated linear lamps having an LED luminary as a source of illumination and configured to operate as a node of an automated networked lighting system. The linear LED lamps have internal modular network connectors and control components so that they can receive control data and power signals over a single network cable according to a standardized power and data network communications architecture such as Ethernet. The system includes connector assemblies designed to securely mount the networkable linear LED lamps to conventional tube lamp lighting fixtures or to another support housing and to provide integrated power and data connectivity to internal components of the lamps. In one form, the disclosed system includes a network enabled snap-fit connector assembly mounted to a lighting fixture and configured to provide Ethernet power and data connectivity to the lamp. The LED lamps have first and second mechanical connectors at opposite ends of the lamp body, and the snap-fit connectors are configured to secure the lamps to an overhead lighting fixture or other support structure as an incident of the lamp ends moving relative to the mounting connectors in a substantially straight path that is transverse to the length of the body into an engaged position. The snap-fit connectors are also configured to form a network connection with an internal modular network connector associated with the lamp with the lamp mounted in its operative state on a support. In another form, a clipping mechanism is provided for mounting linear networkable LED lamps to an overhead grid ceiling system.
대표청구항▼
1. A linear LED lamp for use as an addressable lighting node of a networked LED lighting system, the linear LED lamp comprising: an elongate body extending between spaced first and second ends and comprising an elongate heat sink formed of a heat dissipating material;at least one LED emitter panel s
1. A linear LED lamp for use as an addressable lighting node of a networked LED lighting system, the linear LED lamp comprising: an elongate body extending between spaced first and second ends and comprising an elongate heat sink formed of a heat dissipating material;at least one LED emitter panel secured to the heat sink, each LED emitter panel comprising a circuit board containing LED emitters connected in a circuit for emitting and distributing light outwardly from the LED emitter panel in a light distribution pattern;an interface connector operable to connect the linear LED lamp to a data network associated with the networked LED lighting system to receive power and data signals according to a standardized network communications protocol, directly or indirectly, from an external device connected to the network for use in powering the LED emitters and controlling one or more operational characteristics of the linear LED lamp; anda control module mounted within the elongate body of the linear LED lamp and electrically connected to the interface connector, the control module comprising memory storage and including a power circuit for communicating power received via the interface connector and a processor configured to execute instructions defined by data signals received via the interface connector. 2. The linear LED lamp according to claim 1, wherein the control module is operable to store executable code operable to perform one or more operations to generate one or more messages containing information regarding one or more operational characteristics of the linear LED lamp in accordance with one or more parameters of one or more query instructions received via the interface connector. 3. The linear LED lamp according to claim 1, further comprising a connector end board at the first end of the linear lamp, the interface connector and the control module each electrically connected to the connector end board and connected to each other via the connector end board. 4. The linear LED lamp according to claim 1, wherein the interface connector comprises an Ethernet connector. 5. The linear LED lamp according to claim 1, further comprising an elongate light diffuser cover providing a light transmissive lens positioned about and covering the LED emitters for reflecting, diffusing and/ or focusing light emitted from the LED emitters. 6. The linear LED lamp according to claim 1, wherein the control module is operable to store executable code operable to perform one or more operations to adjust one or more operational characteristics of the linear LED lamp in accordance with one or more parameters of one or more control instructions received via the interface connector. 7. The linear LED lamp according to claim 6, wherein the control module is operable to turn on or off the LED emitters, or to adjust a characteristic of the light emitted by the LED emitters. 8. The linear LED lamp according to claim 1, wherein the power circuit comprises a driver circuit for driving the LED emitters with a controlled level of electric current. 9. The linear LED lamp according to claim 8, wherein at least one LED emitter panel comprises first and second groups of LED emitters and the driver circuit comprises multiple parallel driver subcircuits for independently driving each group of LED emitters at a controlled current level. 10. The linear LED lamp according to claim 9, wherein the LED emitters of the first group are operable to emit light characterized by a first color correlated temperature and the LED emitters of the second group are operable to emit light characterized by a second color correlated temperature different from the first color temperature. 11. The linear LED lamp according to claim 10, wherein control module is operatable to process instructions in response to which the driver subcircuits adjust the relative current level provided to the first and the second group of LED emitters to electrically tune the color correlated temperature of the composite light emitted by the first and second LED emitter panels. 12. The linear LED lamp according to claim 1, further comprising a first end cap assembly at the first end of the elongate body, the first end cap assembly comprising a housing defining a receptacle, and the interface connector mounted within the receptacle. 13. The linear LED lamp according to claim 12, an outer wall portion of the first end cap assembly housing defining an opening, the opening allowing a connector of a network communications cable to engage and form an electrical connection with the interface connector within the receptacle. 14. The linear LED lamp according to claim 1, wherein the interface connector is external to the elongate body and connected thereto via a cable configured to communicate power and data signals according to the standardized network communications protocol. 15. The linear LED lamp according to claim 14, the cable extending from one of the first or the second ends of the elongate body. 16. The linear LED lamp according to claim 14, the cable extending from the heat sink between the first and second ends of the elongate body. 17. The linear LED lamp according to claim 1, wherein the external device is a network switch operable to communicate with a centralized lighting management system comprising a computer programmed to execute automated lighting control software, the network switch operable to route power and data signals to multiple individually addressable components of the networked LED lighting system. 18. The linear LED lamp according to claim 17, wherein the standardized network communications protocol is the Ethernet protocol. 19. The linear LED lamp according to claim 18, wherein the linear LED lamp interface connector is configured to connect the linear LED lamp directly to the network switch via Ethernet network cabling. 20. The linear LED lamp according to claim 17, wherein the communications interface module is operable to establish a communications link with the network switch, and wherein the establishing of the communications link comprises transmitting one or more messages to the network switch used to authenticate the linear LED lamp as an addressable node of the networked LED lighting system. 21. The linear LED lamp according to claim 20, wherein the control module is operable to store an identifier used to uniquely identify the linear LED lamp as an addressable node of the networked LED lighting system. 22. The linear LED lamp according to claim 1, wherein the heat sink is a multi-sided heat sink comprising first and second sidewalls comprising generally planar mounting portions lying in intersecting planes and a third sidewall having an outer surface forming outer surface of the lamp, and the at least one LED emitter panel comprises first and second LED emitter panels, the first LED emitter panel secured to the first sidewall and the second LED emitter panel secured to the second sidewall. 23. The linear LED lamp according to claim 22, wherein the heat sink defines a receptacle internal of the first, second and third sidewalls thereof, and the control module is mounted within the receptacle. 24. The linear LED lamp according to claim 22, wherein the multi-sided heat sink further comprising a fourth, generally planar sidewall extending between the first and second sidewalls, and a third LED emitter panel secured to the fourth sidewall, the control module being operable to drive the third LED emitter panel independent of the other LED emitter panels at a current level based on instructions received by the control module. 25. The linear LED lamp according to claim 22, wherein the linear LED lamp produces a light beam spread out over an angle of at least 210 degrees. 26. The linear LED lamp according to claim 1, further comprising one or more sensors that generate sensor data corresponding to one or more sensed environmental conditions. 27. The linear LED lamp according to claim 26, wherein the one or more sensed environmental conditions are associated with at least one of motion, room occupancy, ambient light conditions, temperature, humidity, or sound. 28. The linear LED lamp according to claim 26, wherein the control module is operable to store executable code operable to perform one or more operations to generate and communicate via the data network one or more messages containing information regarding one or more sensed environmental conditions. 29. The linear LED lamp according to claim 26, wherein the control module is operable to receive sensor data generated by the one or more sensors and is operable to store executable code operable to perform one or more operations to adjust one or more operational characteristics of the lamp in response to the sensor data. 30. The linear LED lamp according to claim 29, wherein the control module is operable to turn on or off the LED emitters or to adjust at least one of light intensity, light pulsing, or light color in response to the received sensor data.
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