Embedded cargo sensors for a refrigeration system
First Claim
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1. A refrigeration system, for use with a volume containing a cargo having a thermal mass, the refrigeration system comprising:
- at least two temperature sensors associated with the cargo to provide at least two temperatures associated with the thermal mass, wherein the first temperature sensor is disposed on an outside surface of the cargo, and wherein the second temperature sensor is embedded within the cargo;
a refrigeration unit associated with the volume; and
a controller configured to;
model a thermal accumulation characteristic of the thermal mass based at least in part on the at least two temperatures; and
control the refrigeration unit based at least in part on the modeled thermal accumulation characteristic and a temperature set point.
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Abstract
A method and system for use with a volume containing a cargo having a thermal mass includes, at least one temperature sensor associated with the cargo to provide at least one temperature associated with the thermal mass, a refrigeration unit associated with the volume, and a controller to control the refrigeration unit in response to the at least one temperature associated with the thermal mass and a temperature set point, wherein the controller models a temperature characteristic of the thermal mass.
45 Citations
14 Claims
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1. A refrigeration system, for use with a volume containing a cargo having a thermal mass, the refrigeration system comprising:
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at least two temperature sensors associated with the cargo to provide at least two temperatures associated with the thermal mass, wherein the first temperature sensor is disposed on an outside surface of the cargo, and wherein the second temperature sensor is embedded within the cargo; a refrigeration unit associated with the volume; and a controller configured to; model a thermal accumulation characteristic of the thermal mass based at least in part on the at least two temperatures; and control the refrigeration unit based at least in part on the modeled thermal accumulation characteristic and a temperature set point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for controlling a refrigeration system, comprising:
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providing a refrigeration unit associated with a volume containing a cargo, wherein the cargo has a thermal mass; providing at least two temperatures associated with the thermal mass to a controller via at least two temperature sensors, wherein the first temperature sensor is disposed on an outside surface of the cargo, and wherein the second temperature sensor is embedded within the cargo; modelling a thermal accumulation characteristic of the thermal mass based at least in part on the at least two temperatures via the controller; and controlling the refrigeration unit based at least in part on the modeled thermal accumulation characteristic of the thermal mass and a temperature set point via the controller. - View Dependent Claims (12, 13, 14)
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Specification