Refrigeration – Using electrical or magnetic effect – Thermoelectric; e.g. – peltier effect
Patent
1998-06-16
2000-09-05
Bennett, Henry
Refrigeration
Using electrical or magnetic effect
Thermoelectric; e.g., peltier effect
62 33, 62 32, F25B 2100
Patent
active
061125253
ABSTRACT:
A cooling unit is structured such that a temperature sensor is formed on at least one of the substrates that form a thermoelectric conversion device to which thermoelectric elements are connected, an input/output electrode extending from the temperature sensor and an electrode formed on the other surface opposed to the substrate on which the temperature sensor is formed are connected to each other by electrically conductive material, and a control circuit for controlling a current supplied to the thermoelectric conversion device according to an output of the temperature sensor is connected thereto. By this structure, only one surface of the substrate is subjected to a manufacturing process, and there is no need for a temperature sensor such as a thermistor to be supplied as a discrete component for mounting on a substrate of the thermoelectric conversion device. There is also no need for a temperature sensor to be connected directly on a surface of the thermoelectric conversion device which is to be adjusted in temperature, thereby being capable of easily and accurately adjusting the temperature at the thermoelectric conversion device.
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Kishi Matsuo
Yamamoto Minao
Yoshida Yoshifumi
Bennett Henry
Seiko Instruments R&D Center Inc.
Shulman Mark
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