Esempio di applicazione (case study) per apparecchiatura montata su rack

Introduzione

The client of Aavid, Thermal division of Boyd Corporation,manufactures mobile telecom equipment that serves rural areaswhile completely operating on solar power independent of the powergrid. Due to the unique application and physical environment Aavid'ssupport played a crucial part in the cellular transmissions success.


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La sfida

The client’s Rack Mounting Equipment was beginning to experienceairflow issues and inconsistent performance with their boards:

• Ricircolo interno
• Generazione di punti caldi
• Preriscaldamento da una fonte PSU all'altra
• Ventilazione inadeguata
• Guasto della ventola

La soluzione

The Aavid team evaluated all elements that may be an issue forairflow due to this unique application.

Aavid discovered that proper fan selection was needed to maintainless than 10°C average air temperature rise across the highesttemperature board within the product.

Design analysis showed there was inadequate ventilation toprovide uniform airflow distribution over the suspect areas offailure.

Esito finale

Aavid delivered a full board and system level thermal design analysisand recommendations for the next generation product.

With proper uniformed airflow due to change in board layout hasavoided risk of failure for this critical application.

The client has expanded by utilizing their dependable equipmentglobally. Today the client reaches some of the most remote places inthe world to help connect those who haven't been able to before.

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