Closed-loop, Passive Cooling solutions for Telecom Enclosure

2025-06-27 13:40

In order to solve the water and dust problems for passive cooling solution, BlackShields recommend to use Heat exchanger and Thermosiphon unit as Closed loop, passive cooling solutions for Telecom Enclosure.

Heat exchanger utilizes the outside air temperature, exchanges it in a high efficient counter flow recuperator and thereby cools the internal air inside the cabinet generating an internal, cooled closed loop
Thermosiphon fully utilizes nature indoor and outdoor temperature difference. The internal enclosure temperature is cooled via effective utilization of refrigerant evaporation. The passive heat exchange is based on the natural convection, which circulates liquid in a vertical closed loop circuit without requiring a conventional pump or compressor.

Related Products

Thermosipon Heat Exchanger

The BlackShields HM Series DC Thermosiphon Heat Exchanger is engineered to provide reliable, compressor-free thermal management for electronic enclosures in demanding indoor and outdoor environments. As a passive cooling system, it leverages phase-change energy to efficiently transfer heat, effectively solving thermal challenges in cabinets housing sensitive equipment. By utilizing the natural temperature differential between the interior and exterior, the unit facilitates cooling through refrigerant evaporation and condensation, driven entirely by natural convection within a sealed vertical loop—eliminating the need for energy-intensive compressors or pumps.

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HE Air to Air Heat Exchanger

The BlackShields HE Series Heat Exchanger offers a high-efficiency passive cooling solution for temperature control in both indoor and outdoor electronic cabinets operating in demanding environments. Utilizing external ambient air in a highly efficient counter-flow recuperator, it cools the internal air of the cabinet by establishing a closed-loop circulation. The heat exchangers are available in both AC and DC versions to meet various application requirements. This solution effectively dissipates heat from outdoor and indoor enclosures, making it ideal for cabinets housing sensitive electronic equipment.

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Related Applications

Climate Control Solutions for Telecom Enclosures

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