US 11,680,852 B2
Temperature measurement system
Christopher Ring, Derry, NH (US); Jon C. Beaver, Syracuse, NY (US); and Stewart John Parfitt, Hertfordshire (GB)
Assigned to EATON INTELLIGENT POWER LIMITED, Dublin (IE)
Filed by Eaton Intelligent Power Limited, Dublin (IE)
Filed on May 21, 2021, as Appl. No. 17/326,748.
Claims priority of provisional application 63/029,133, filed on May 22, 2020.
Prior Publication US 2021/0364361 A1, Nov. 25, 2021
Int. Cl. G01J 5/48 (2022.01); G01J 5/06 (2022.01); H04N 5/33 (2023.01); G01J 5/00 (2022.01)
CPC G01J 5/48 (2013.01) [G01J 5/06 (2013.01); H04N 5/33 (2013.01); G01J 5/064 (2022.01); G01J 2005/0077 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A temperature measurement system comprising:
a thermal camera configured to capture a thermal image of individuals in a viewing space of the thermal camera to detect temperatures of the individuals; and
a reference device configured to present a reference temperature for detection by the thermal camera when the reference device is disposed in the viewing space of the thermal camera, the reference device being configured to maintain thermal stability in harsh or hazardous environments so that the system provides accurate and precise temperature detection of the individuals in the viewing space of the thermal camera, wherein the reference device includes a housing and a thermal load partially disposed in the housing such that at least a portion of the thermal load is disposed at an exterior of the housing, and wherein the housing defines a shroud projecting forward of the thermal load and positioned to shield the thermal load from a surrounding environment.