COOLING SYSTEM AND ELECTRIC CONSTRUCTION MACHINE WITH THE SAME

The present utility model relates to a cooling system for an electrical module of an electric construction machine, comprising a cooling loop in which a cooling liquid circulates. The cooling loop comprises a heat exchange unit associated with the electrical module to be temperature controlled, a he...

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Bibliographische Detailangaben
Hauptverfasser:	LIU, Dunli, CHEN, Zhe, SUN, Yining, YUAN, Jiangjiang, LIU, Zhenbin
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The present utility model relates to a cooling system for an electrical module of an electric construction machine, comprising a cooling loop in which a cooling liquid circulates. The cooling loop comprises a heat exchange unit associated with the electrical module to be temperature controlled, a heat dissipation device arranged downstream of the heat exchange unit along a flow direction of the cooling liquid, and a pumping unit for pumping the cooling liquid to circulate in the cooling loop, characterized in that the pumping unit comprises at least a first pump and a second pump, wherein the first pump and the second pump are connected in parallel and driven by respective electric motors, inlets of the first pump and the second pump are connected to serve as an inlet of the pumping unit, and outlets of the first pump and the second pump are connected to serve as an outlet of the pumping unit. The present utility model also relates to an electric construction machine comprising said cooling system.