| 摘要 |
<p>A conditioning apparatus for racks for electrical, electronic and telecommunications instruments and the like, of the type which comprises at least one cabinet (11) inside which there is a rack chassis (16) for supporting electronic devices and the like (17), air passage gaps (18, 19) being formed between the door (12) of the cabinet and the rack chassis (16) and between the cabinet back (15) and the rack chassis (16); the cabinet (11) is open in an upper region onto a first air conveyance element (20) and in a lower region onto a second air conveyance element (21); the first and second elements (20, 21) are connected respectively to at least one third (22, 26) and one fourth (23, 27) conveyance elements, which are arranged above and below at least one associated air-conditioning module (24, 25) which is laterally adjacent to the cabinet (11). At least one of two adjacent conveyance elements (20, 21, 22, 23, 26, 27) has at least one first shutter (28, 29) which is adapted to allow, modulate or inhibit the circulation of air between the two adjacent conveyance elements (20, 21, 22, 23, 26, 27), the first and second conveyance elements (20, 21) associated with the cabinet (11) being each provided with at least one second upper shutter (30) and at least one third lower shutter (32) for conditioning of the free cooling type of the interposed cabinet (11), and at least one of the first and second conveyance elements (20, 21) is provided with ventilation means for forced circulation of the ambient air inside the cabinet (11).</p> |
