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Enclosure Cooling

Electronic Enclosure Cooling Thermoelectric vs. Compressor-Based Air Conditioners

Introduction

Air conditioners utilizing thermoelectric coolers are often considered as an alternative to conventional vapor-compression systems for enclosure cooling. Because a thermoelectric cooler is compact, robust, and completely solid-state, the inherent reliability of such a system is attractive to engineers and end-users alike. However, there is an inherent reluctance to choose a thermoelectric-based system due to preconceptions about energy efficiency or lack of experience with thermoelectrics.

Thermoelectric Assemblies Optimize Thermal Performance in any Outdoor Environment


Laird Thermal Systems has introduced a series of thermoelectric assemblies (TEAs) designed for use in outdoor environments. The Outdoor Cooler Series are compact (cooling objects via convection) air-to-air TEAs said to provide a lower total cost of ownership by maintaining the appropriate temperature range using minimal energy due to its high coefficient of performance (COP).





SAA-110-24-22 Air-to-Air

The SAA-110-24-22 Air-to-Air thermoelectric assembly is a high performance thermoelectric based air conditioner. It is designed to temperature control small chambers used in medical diagnostics or sample storage compartments in analytical instrumentation. This unique, patent pending design offers a high performance hot side heat dissipation mechanism that convects heat more efficiently than conventional heat exchanger technologies. The design utilizes custom thermoelectric modules to maximize cooling capacity and premium grade fans to reduce noise.


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Thermoelectric Cooling for Outdoor Kiosks

Introduction

Outdoor kiosks have grown in popularity in a wide variety of applications and sectors, including banking, entertainment, retail, showrooms, industrial and education. You see kiosks everywhere, from banks and airports, to theme parks and train stations. Being located outdoors, kiosks and the sensitive electronics they contain are subjected to extreme temperatures, from the cold of winter to the heat of summer. Ambient temperatures can exceed 40°C or below 10°C. Heat loads for the electronics themselves can range from 20 to more than 200 Watts.




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AA-150-24-44 Air-to-Air

The AA-150-24-44 is an Air-to-Air thermoelectric assembly (TEA) that uses impingement flow to transfer heat. It offers dependable compact performance by cooling objects via convection. Heat is absorbed and dissipated through high density heat exchangers equipped with air ducted shrouds and brand name fans. The heat pumping action occurs from custom designed thermoelectric modules that achieve a high coefficient of performance (COP) to minimize power consumption.


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AAT-085-24-22 Air-to-Air

The AAT-085-24-22 is a thermoelectric based air conditioner designed to temperature control small chambers used in analytical and medical diagnostic instruments. The unique design offers premium fans pushing air across-high density heat sinks to minimize the number of air flow paths required to operate. The design utilizes custom thermoelectric modules to maximize cooling capacity with a high coefficient of performance. Moisture resistant insulation is used to keep condensation from penetrating the TEM cavity. The unit operates on DC and is designed for an indoor lab use environment.


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