Power management system for aircraft container tracking device
First Claim
Patent Images
1. A wireless RF transmitter device, the transmitter device comprising:
- a GPS positioning element;
an RF communication module having an RF operating frequency, the operating frequency having an operating wavelength;
a machine vision sensor to collect curvature data related to surroundings of the transmitter device;
a primary power source comprising a solar cell and a supercapacitor, the solar cell operably connected to the supercapacitor;
a secondary power source comprising a battery, the secondary power source being a back-up power source; and
a power management system operably connected to the primary power source and the secondary power source.
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Abstract
An RF asset tracking device for cargo containers that has an extended operational life, due to a power management system and multiple power sources. The device has a solar cell and high capacity supercapacitor as a principal power source and a rechargeable battery as an auxiliary power source. Control circuitries manage and regulate the usage of the primary and secondary sources. Together, these power sources provide sufficient power for the tracking device to operate for an extended period of time, thus increasing the period between needed maintenance and decreasing downtime and thus cost.
23 Citations
19 Claims
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1. A wireless RF transmitter device, the transmitter device comprising:
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a GPS positioning element; an RF communication module having an RF operating frequency, the operating frequency having an operating wavelength; a machine vision sensor to collect curvature data related to surroundings of the transmitter device; a primary power source comprising a solar cell and a supercapacitor, the solar cell operably connected to the supercapacitor; a secondary power source comprising a battery, the secondary power source being a back-up power source; and a power management system operably connected to the primary power source and the secondary power source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless RF transmitter device, the transmitter device comprising:
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a GPS positioning element; a sensor array comprising at least one motion sensor and at least one machine vision sensor to collect curvature data related to surroundings of the transmitter device; an RF communication module and a cellular communication module, each configured to deactivate and activate based on data detected by the sensor array; a primary power source comprising a solar cell and a supercapacitor, the solar cell operably connected to the supercapacitor; a secondary power source comprising a battery, the secondary power source being a back-up power source; and a power management system operably connected to the primary power source and the secondary power source. - View Dependent Claims (12, 13, 14)
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15. A wireless RF transmitter device, the transmitter device comprising:
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a GPS positioning element; an RF communication module having an RF operating frequency, the operating frequency having an operating wavelength; a primary power source comprising a solar cell and a supercapacitor; a secondary power source comprising a battery; a power management system operably connected to the primary power source and the secondary power source; and an enclosure having the communication module therein, the enclosure having at least one wall comprising a metallic plate having a pattern of apertures therethrough and a dielectric plate adjacent to the metallic plate, each of the apertures having a length and a width, with the apertures arranged in columns and rows, with adjacent apertures in a row having a spacing therebetween, and a spacing between centers of adjacent apertures in adjacent rows, wherein the apertures are shaped, sized and spaced to allow passage therethrough of the RF operating wavelength. - View Dependent Claims (16, 17, 18, 19)
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Specification