Thermal measuring and testing – Temperature measurement – Combined with diverse art device
Patent
1998-06-29
2000-07-04
Bennett, G. Bradley
Thermal measuring and testing
Temperature measurement
Combined with diverse art device
374138, 236 51, 236DIG19, 250342, 250DIG1, 340567, G01K 1302, G01K 114, G08B 1319
Patent
active
060828943
ABSTRACT:
A temperature and passive infrared sensor module in which a temperature sensor is mounted so as to not be adversely affected by heat generating electrical components of the sensor module. One embodiment comprises a wallswitch-mounted unit which is designed to be mounted in a wallswitch electrical outlet box with a semi-cylindrical front of the sensor projecting forwardly therefrom. A top section of the projecting semi-cylindrical front has a front curved window, behind which a passive infrared sensor and an ambient light sensor are positioned. A bottom section of the projecting semi-cylindrical front is formed by a removable clip-in door which is provided with air flow vents in a bottom surface and also in projecting front and side surfaces thereof to provide a circulating air flow around a temperature sensor. The temperature sensor and the passive infrared sensor are mounted on a front electrical-lead side of a vertically positioned PC board, and heat generating electrical components are mounted on an opposite, back component side of the PC board. A second embodiment comprises a round ceiling-mounted unit in which heat generating electrical components are mounted on one radial side of a circular PC board, and the temperature sensor is mounted on the opposite radial side thereof circular PC board, as far away therefrom as possible. A shield is also provided to section off and isolate the temperature sensor.
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Baldwin John R.
Batko Thomas J.
'Hubbell Incorporated
Bennett G. Bradley
Presson Jerry M.
Roch William C.
Verbitsky Gail
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