Thermal flow sensors aid energy monitoring

February 19, 2016 //By Peter Clarke
Thermal flow sensors aid energy monitoring
HotBlock Onboard SA (Grenoble, France) has developed a range of silicon sensors that measure heat flow between two points of contact.

These can be used for measurement in energy management applications in buildings, windows, industrial equipment. The basic sensor/circuit design can also be made available as IP that can be integrated into ASICs and SoCs.

The sensor signal is proportional to the energy flow between the regions, with sensitivities of several mV per degree K.

The microFlux Tracker range of sensors over the operating temperature range from -20°C to 200°C. The sensors provide signals ranging from 6mV/K to 10mV/K of temperature difference. The sensors can be provided in plastic LGA packages measuring 2mm by 2mm, as bare bumped dice or integrated onto laminated or flexible substrates.

Inclusion within laminated glass for monitoring heat loss is one potential application of the technology.  

A white paper on Hotblock thermal flow sensors is available here

Hotblock's product portfolio also includes thermoelectric generators for energy harvest applications and solid-state cooling devices based on the Peltier effect.

Related links and articles:

White paper on thermal flow sensors

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