Heat transfer device for at least one ventilation space

Abstract

The invention is based on a heat transfer device (10a) for at least one ventilation space (12a), comprising at least one supply element (14a) which is designed to guide a gaseous medium, in particular fresh air, from an environment into the ventilation space (12a), comprising at least one discharge element (16a) which is designed to guide a gaseous medium, in particular exhaust air (exhaust air), from the ventilation space (12a) into an environment, comprising at least one heat transfer unit (18a) which, in at least one operating state, is designed to transfer thermal energy from the gaseous medium of the discharge element (16a) to the gaseous medium of the supply element (14a) and / or to dissipate thermal energy from the gaseous medium of the supply element (14a) to the gaseous medium of the discharge element (16a), and comprising at least one blower unit (20a) which is designed toto convey the gaseous medium of the supply element (14a) and / or the discharge element (16a).It is proposed that the at least one blower unit (20a) is arranged outside the ventilation space (12a).

Claims

[1] Heat transfer device (10a; 10b; 10c) for at least one ventilation space (12a; 12b; 12c), with at least one supply element (14a; 14b; 14c) which is designed to guide a gaseous medium, in particular fresh air, from an environment into the ventilation space (12a; 12b; 12c), with at least one discharge element (16a; 16b; 16c) which is designed to guide a gaseous medium, in particular exhaust air (exhaust air), from the ventilation space (12a; 12b; 12c) into an environment, with at least one heat transfer unit (18a; 18b; 18c) which, in at least one operating state, is designed to transfer thermal energy from the gaseous medium of the discharge element (16a; 16b; 16c) to the gaseous medium of the supply element (14a; 14b; 14c) and / or to transfer thermal energy from the gaseous medium of the supply element (14a; 14b; 14c) to the gaseous medium of the discharge element (16a; 16b;16c), and with at least one blower unit (20a; 20b; 20c) which is designed to convey the gaseous medium of the supply element (14a; 14b; 14c) and / or the discharge element (16a; 16b; 16c); characterized by that the at least one blower unit (20a; 20b; 20c) is arranged outside the ventilation space (12a; 12b; 12c). [2] Heat transfer device (10a) according to claim 1, characterized by that the blower unit (20a) is arranged outside the ventilation space (12a) on the supply element (14a), wherein the blower unit (20a) moves a gaseous medium, in particular fresh air, via the supply element (14a) into the ventilation space (12a). [3] Heat transfer device (10b) according to claim 1 or 2, characterized bya further blower unit (22b) which is arranged outside the ventilation space (12b) on the discharge element (16b), wherein the further blower unit (22b) draws a gaseous medium, in particular exhaust air (exhaust air), from the ventilation space (12b) via the discharge element (16b). [4] Heat transfer device (10b) according to claim 3, characterized by a drive unit (24b) which drives the blower unit (20b) and / or the further blower unit (22b). [5] Heat transfer device (10a) according to one of the preceding claims, characterized by that the supply element (14a) and the discharge element (16a) have asymmetrical cross-sections perpendicular to a main extension direction. [6] Heat transfer device (10a) according to one of the preceding claims, characterized bythat the supply element (14a) and the discharge element (16a) run through a heat transfer unit (18a), wherein the supply element (14a) and the discharge element (16a) run in contact, in particular at least substantially parallel. [7] Heat transfer device (10b) according to one of the preceding claims, characterized by a further discharge element (26b) which is arranged in a heat transfer unit (18b) at least substantially parallel to a supply element (14b). [8] Heat transfer device (10c) according to claim 1, characterized byin that the supply element (14c) and the discharge element (16c) are formed by a line element (28c), wherein the blower unit (20c) is designed to alternate between moving a gaseous medium, in particular fresh air, into a ventilation space (12c) and extracting a gaseous medium, in particular exhaust air (exhaust air), from the ventilation space (12c). [9] Method for operating a heat transfer device (10a) according to one of the preceding claims, characterized byin that in at least one method step (30a) the heat transfer unit (18a) transfers thermal energy from a gaseous medium flowing through the discharge element (16a), in particular exhaust air (exhaust air), to a gaseous medium flowing through the supply element (14a), in particular fresh air, and / or dissipates thermal energy from a gaseous medium flowing through the supply element (14a), in particular fresh air, to a gaseous medium flowing through the discharge element (16a), in particular exhaust air (exhaust air). [10] Method according to claim 9, characterized by that in at least one method step (30a) a noise development generated by the blower unit (20a) and / or the drive unit (24a) is shielded from a ventilation space (12a) by the heat transfer unit (18a). [11] Method according to claim 9, characterized byin that in at least one method step (30a) the blower unit (20a) moves a gaseous medium, in particular fresh air, from ambient air via the supply element (14a) into a ventilation space (12a) and a gaseous medium, in particular exhaust air (exhaust air), is pressed out of the ventilation space (12a) via the discharge element (16a) via the overpressure generated in the ventilation space (12a). [12] Method according to claim 9, characterized by in that in at least one method step (30a) a mass flow of the gaseous medium, in particular exhaust air, of the discharge element (16a) is greater than or equal to a mass flow of the gaseous medium, in particular fresh air, of the supply element (14a). [13] Method according to claim 9, characterized byin that in at least one method step (30b) a blower unit (20b) moves a gaseous medium, in particular fresh air, from ambient air via the supply element (14b) into a ventilation space (12b) and with a further blower unit (22b) a gaseous medium, in particular exhaust air (exhaust air), is drawn from the ventilation space (12b) via the discharge element (16b). [14] Method according to claim 9, characterized by in that in at least one storage step (40c) the heat transfer unit (18c) stores thermal energy from a gaseous medium flowing through the discharge element (16c), in particular exhaust air (exhaust air), in the form of heat and / or cold and transfers it in a transfer step (42c) to a gaseous medium flowing through the supply element (14c), in particular fresh air. [15] Method according to claim 14, characterized byin that in at least one method step (30c) a supply of the ventilation space (12c) with a gaseous medium, in particular fresh air, alternates with an exchange of a gaseous medium, in particular exhaust air (exhaust air), wherein the supply line element (14c) and the discharge element (16c) are formed by the same line element (28c).

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