A mobile lighting apparatus includes a portable frame such as a moveable trailer or skid having a light tower thereon. The light tower is moveable from a stowed position to a deployed position. A hydrogen-powered fuel cell is located on the portable frame to provide electrical power to an array of t
A mobile lighting apparatus includes a portable frame such as a moveable trailer or skid having a light tower thereon. The light tower is moveable from a stowed position to a deployed position. A hydrogen-powered fuel cell is located on the portable frame to provide electrical power to an array of the energy efficient lights located on the light tower.
대표청구항▼
1. A mobile lighting apparatus comprising: a portable frame;a hydrogen-powered fuel cell mounted on the portable frame, the fuel cell generating electrical power for the mobile lighting apparatus;at least one fuel storage tank mounted on the portable frame, the fuel storage tank being coupled to the
1. A mobile lighting apparatus comprising: a portable frame;a hydrogen-powered fuel cell mounted on the portable frame, the fuel cell generating electrical power for the mobile lighting apparatus;at least one fuel storage tank mounted on the portable frame, the fuel storage tank being coupled to the fuel cell to provide fuel to the fuel cell;a light tower having a proximal end portion pivotably coupled to the portable frame and a distal end portion, the light tower being movable between a stowed position and an upright, deployed position; anda plurality of lights coupled to the distal end portion of the light tower, each of the lights being coupled to the fuel cell to receive electrical power therefrom. 2. The apparatus of claim 1, wherein the portable frame is one of a trailer and a skid. 3. The apparatus of claim 1, wherein the at least one fuel storage tank is a high pressure hydrogen storage tank. 4. The apparatus of claim 3, wherein the high pressure hydrogen storage tank stores hydrogen therein at a pressure of about 2,500 psi to about 10,000 psi. 5. The apparatus of claim 1, wherein the at least one fuel storage tank is at least one metal hydride storage tank configured to supply hydrogen to the hydrogen-powered fuel cell, the at least one metal hydride storage tank including a metal hydride powder located within a heat exchange structure. 6. The apparatus of claim 5, further comprising at least one high pressure hydrogen storage tank located on the portable frame, the high pressure storage tank being coupled to and in fluid communication with the fuel cell and the at least one metal hydride storage tank through a valve to permit hydrogen to be supplied from the at least one high pressure storage tank to at least one the metal hydride storage tank to refuel the metal hydride storage tank. 7. The apparatus of claim 6, further comprising a fluid recirculation system located on the portable frame, the fluid recirculation system being configured to circulate fluid through the heat exchange structure of the at least one metal hydride fuel storage tank, and further comprising a heat exchanger located adjacent the fuel cell, the heat exchanger being in fluid communication with the fluid recirculation system so that the heat exchanger transfers heat generated by the fuel cell to the fluid to warm the metal hydride powder as the heated fluid passes through the heat exchange structure of the metal hydride fuel storage tank. 8. The apparatus of claim 7, further comprising a heater located on the portable frame and configured to provide supplemental heating to the fluid of the fluid recirculation system. 9. The apparatus of claim 8, further comprising a controller coupled to the fluid recirculation system and to the fuel cell, the controller configured to actuate a fan of the fuel cell at selected times when the fuel cell is not powering the lights, the fan being located adjacent the heat exchanger to cool fluid circulated by the fluid recirculation system through the heat exchange structure during refueling of the metal hydride fuel storage tank with hydrogen. 10. The apparatus of claim 1, wherein the fuel cell generates a DC electrical power output to supply power to the plurality of lights at the distal end portion of the light tower. 11. The apparatus of claim 1, wherein the plurality of lights each include a plasma light emitter powered by a radio frequency (RF) driver coupled to the emitter, both the emitter and the driver being coupled to the distal end portion of the light tower. 12. The apparatus of claim 1, further comprising a controller coupled to the plurality of lights to control operation and monitor conditions of the plurality of lights. 13. The apparatus of claim 12, further comprising a graphical user interface coupled to the controller, the graphical user interface being programmed with software to turn the plurality of lights on and off and adjust the intensity of each light in response to user inputs received by the graphical user interface. 14. The apparatus of claim 13, wherein the graphical user interface is a cell phone configured to wirelessly communicate with the controller. 15. The apparatus of claim 1, wherein the plurality of lights include an array of LEDs coupled to the distal end portion of the light tower. 16. The apparatus of claim 1, wherein each of the lights includes at least one glare control baffle coupled thereto. 17. The apparatus of claim 1, wherein each light comprises: a housing including a rear wall, first and second side panels, a top wall, a bottom wall and a front window cooperating to define an interior region of the housing;a light emitter located in the interior region of the housing;a driver for the emitter;a heat sink coupled to the driver, the heat sink including a plurality of fins for cooling the driver; anda driver mounting portion having a mounting surface and a side wall, the side wall being coupled to one of the heat sink and the driver so that the plurality of fins of the heat sink are exposed, and wherein the mounting surface of the driver mounting portion is coupled to the housing. 18. The apparatus of claim 17, wherein the driver is spaced apart from the mounting surface of the driver mounting portion to provide an air gap to reduce heat transfer from the housing containing the light emitter to the driver. 19. The apparatus of claim 18, wherein the heat sink is configured to maintain a temperature of the driver at less than or equal to 75° C. 20. The apparatus of claim 1, further comprising a controller configured to control operation of the plurality of lights and a motion sensor electrically coupled to the controller, the motion sensor being coupled to the light tower to sense movement in an area near the mobile lighting apparatus, the motion sensor sending a signal to the controller to turn on the lights in response to detecting movement in the area near the mobile light apparatus, and the controller turning off the lights when no movement is detected by the motion sensor for a predetermined time period.
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