Outdoor lighting systems and methods for wireless network communications

• US 8,445,826 B2
• Filed: 08/31/2011
• Issued: 05/21/2013
• Est. Priority Date: 06/29/2007
• Status: Active Grant

• Current Assignee: Orion Energy Systems, Inc.
• Original Assignee: Orion Energy Systems, Inc.
• Inventors: Verfuerth, Neal R.
• Primary Examiner(s): Epps, Georgia Y
• Assistant Examiner(s): WILLIAMS, DON J
• Application Number:
  US13/223,129
• Publication Number:
  US 20120040606A1
• Time in Patent Office: 629 Days
• Field of Search: 250/204, 250/205, 315/52, 315/250, 315/294, 315312-314, 315/316, 315/318, 315/320, 315/322, 315/323, 315/324, 315/360, 315/362, 362/11, 362/13, 362/16, 362/18, 340/910, 340/917, 340/825.52, 348/173, 455/7
• US Class Current: 250/205
• CPC Class Codes: F21S 8/086 with lighting device attached sideways of the standard, e.g. for roads and highways
• CPC Class Codes: F21V 23/045 the sensor receiving a signal from a remote controller
• CPC Class Codes: F21W 2131/103 of streets or roads
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: H05B 47/105 in response to determined parameters
• CPC Class Codes: H05B 47/11 by determining the brightness or colour temperature of ambient light
• CPC Class Codes: H05B 47/115 by determining the presence or movement of objects or living beings
• CPC Class Codes: H05B 47/125 by using cameras
• CPC Class Codes: H05B 47/19 via wireless transmission
• CPC Class Codes: Y02B 20/40 Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

An outdoor lighting fixture includes at least a first ballast for controllably providing power to at least one lamp for illuminating an outdoor area. The outdoor lighting fixture further includes a housing and a radio frequency transceiver. The outdoor lighting fixture yet further includes an antenna coupled to the radio frequency transceiver and extending away from the housing. The outdoor lighting fixture also includes a control circuit that operates the radio frequency transceiver as a wireless router for wireless network communications.

Claims

1. An outdoor lighting fixture comprising:

at least a first ballast for controllably providing power to at least one lamp for illuminating an outdoor area;

a housing;

a radio frequency transceiver;

an antenna coupled to the radio frequency transceiver and extending away from the housing; and

a control circuit that operates the radio frequency transceiver as a wireless router for wireless network communications, wherein the control circuit is configured to wirelessly connect one or more computing devices proximate to the outdoor lighting fixture to a communications network using the radio frequency transceiver as a wireless router.

2. The outdoor lighting fixture of claim 1, wherein the control circuit is configured to use the radio frequency transceiver for a network communications uplink and a network communications downlink.

3. The outdoor lighting fixture of claim 1, wherein the control circuit is configured to distinguish messages for the outdoor lighting fixture from communications for routing to or from the one or more computing devices.

4. The outdoor lighting fixture of claim 3, wherein the control circuit is configured to parse the messages for the outdoor lighting fixture to determine whether the control circuit should cause the first ballast to change illumination states of the at least one lamp.

5. The outdoor lighting fixture of claim 1, wherein the control circuit and the radio frequency transceiver are wired to the power source for the outdoor lighting fixture.

6. The outdoor lighting fixture of claim 1, wherein the radio frequency transceiver is at least one of a WiFi and a WiMax compatible transceiver.

7. The outdoor lighting fixture of claim 1, wherein the control circuit includes a security module that checks a credential of at least one of the one or more computing devices attempting to connect to the radio frequency transceiver.

8. A system of outdoor lighting fixtures, comprising:

a first outdoor lighting fixture comprising a first housing and a first radio frequency transceiver mounted to the first housing; and

a second outdoor lighting fixture comprising a second housing and a second radio frequency transceiver mounted to the second housing;

wherein the first outdoor lighting fixture further comprises wireless routing circuitry and a wired uplink connection to a data communications network, wherein the wireless routing circuitry and wired uplink connection are configured to wirelessly connect one or more computing devices proximate to the first outdoor lighting fixture to the data communications network;

wherein the second radio frequency transceiver is configured to extend the range of the first radio frequency transceiver by forwarding data communications to and from the first radio frequency transceiver.

9. The system of outdoor lighting fixtures of claim 8, wherein the second radio frequency transceiver and the second outdoor lighting fixture do not include wireless routing circuitry, wherein the one or more computing devices proximate to the first outdoor lighting fixture comprise a first set of one or more computing devices, and wherein the second radio frequency transceiver is configured to connect a second set of one or more computing device proximate to the second outdoor lighting fixture to the data communications network by transmitting data communications between the second set of one or more computing devices and the first radio frequency transceiver.

10. The system of outdoor lighting fixtures of claim 8, wherein the second radio frequency transceiver and the second outdoor lighting fixture further comprise second wireless routing circuitry and an interface for a second wired uplink connection, wherein the one or more computing devices proximate to the first outdoor lighting fixture comprise a first set of one or more computing devices, and wherein the second radio frequency transceiver is configured to connect a second set of one or more computing device proximate to the second outdoor lighting fixture to the data communications network using the second wireless routing circuitry and the second wired uplink connection.

11. The system of outdoor lighting fixtures of claim 10, wherein the second radio frequency transceiver and the second wireless routing circuitry are configured to be set in a mode of operation comprising one of:

(a) a wireless extender mode of operation wherein the second radio frequency transceiver is configured to extend the range of the first radio frequency transceiver by forwarding data communications to and from the first radio frequency transceiver; and

(b) a wireless routing mode of operation wherein the second wireless routing circuitry is active and the second radio frequency transceiver does not operate to extend the range of the first radio frequency transceiver.

12. The system of outdoor lighting fixtures of claim 11, wherein the second radio frequency transceiver is coupled to automatic sensing circuitry that determines whether the interface for a second wired uplink connection is active.

13. The system of outdoor lighting fixtures of claim 12, wherein the second radio frequency transceiver defaults to the wireless extender mode of operation when the automatic sensing circuitry indicates that the interface for the second wired uplink connection is not active.

14. The system of outdoor lighting fixtures of claim 13, wherein the second radio frequency transceiver switches to the wireless routing mode of operation when the automatic sensing circuitry indicates that the interface for the second wired uplink connection is active.

15. The system of outdoor lighting fixtures of claim 8, wherein the first radio frequency transceiver is housed within the first housing.

16. The system of outdoor lighting fixtures of claim 8, wherein the first radio frequency transceiver is housed within a mount for mounting the first housing to a street light pole.

17. The system of outdoor lighting fixtures of claim 8, wherein the first radio frequency transceiver is coupled to a control circuit for the lighting fixture.

18. The system of outdoor lighting fixtures of claim 17, wherein the control circuit for the lighting fixture is configured to receive and interpret commands or messages for changing the operation of the lighting fixture.

19. The system of outdoor lighting fixtures of claim 17, wherein the control circuit is configured to cause usage information to be transmitted from the first radio frequency transceiver.

20. A method for providing municipal wireless network connectivity, comprising:

coupling a plurality of outdoor lighting fixtures to existing street light poles;

powering the plurality of outdoor lighting fixtures using power wires from the existing street light poles; and

establishing a wireless network of outdoor lighting fixtures by configuring radio frequency transceivers of the plurality of outdoor lighting fixtures to serve as wireless network access points, wherein the radio frequency transceivers of the outdoor lighting fixtures are configured to wirelessly connect one or more computing devices proximate to the outdoor lighting fixtures to a communications network.