Peltier control circuit and a peltier device structure

Details Peltier control circuit and a peltier device structure Peltier control circuit and a peltier device structure

1996-02-26

1999-10-19

Benneti, Henry

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62 37, F25B 2102

Patent

active

059669381

ABSTRACT:
A Peltier control circuit detects a temperature of a device combined with a Peltier device and controls a current flowing through the Peltier device so as to keep the temperature of the device at a predetermined value. The circuit has a temperature sensing section for detecting the temperature of a device, a comparing section for comparing a temperature detection value with a predetermined temperature reference value, a limiting section for providing a comparison output with the limitation of a current flowing through the Peltier device and providing the limitation with a predetermined temperature characteristics, and a driving section for providing the Peltier device with an input or output driving current in accordance with the comparison output via the limiting section.

REFERENCES:
patent: 4761788 (1988-08-01), Dietrich
patent: 4873566 (1989-10-01), Hokanson
patent: 5065226 (1991-11-01), Kluitmans
patent: 5376184 (1994-12-01), Aspden
patent: 5802855 (1998-09-01), Yamaguchi

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