Patent ID: 6523602
Filing Date: 2003-02-25
Classification: H02B,H05K

Abstract:
In a switchgear cabinet having an air-conditioning device with a heat exchanger, wherein air in an interior of the switchgear cabinet is conducted to and can be conditioned by the heat exchanger, the improvement comprising: the heat exchanger having an underground heat exchanger (20) positioned into the ground, the heat exchanger having an interior heat exchanger assigned to an interior of the switchgear cabinet and the underground heat exchanger (20) forming a closed circuit system in which a fluid circulates, the underground heat exchanger (20) connected to an inlet line (24) and to an outlet line (21), wherein the air coming from the interior of the switchgear cabinet is supplied to the underground heat exchanger (20) through the inlet line (24) and is conditioned in the underground heat exchanger (20) and at least a portion of the conditioned air is returned to the interior of the switchgear cabinet through the outlet line (21) after flowing through the underground heat exchanger (20), and the inlet line (24) and the outlet line (21) closed off at the switchgear cabinet by air-permeable covers.