BATTERY SELF-HEATING CONTROL SYSTEM AND CONTROL METHOD, AND ELECTRIC TRANSPORTATION MEANS

Abstract: a battery self-heating control system includes a battery pack, a winding, a first switch assembly, a second switch assembly, a capacitor, and a controller. the battery pack includes a first battery group and a second battery group connected in series, a connection line led out between the first and the second battery groups, and connected to one end of the winding. the first switch assembly and the second switch assembly are connected in series, the first switch assembly is electrically connected to a positive electrode of the first battery group and a first end of the capacitor, the second switch assembly is electrically connected to a negative electrode of the second battery group and a second end of the capacitor, the first end and the second end of the capacitor connected to a load. the controller is electrically connected to the first switch assembly and the second switch assembly.

Inventor(s): Lei YAN, Wen GAO, Junwei ZHANG, Gan SONG

CPC Classification: B60L58/27 (PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles , ; arrangements or mounting of electrical gearing in vehicles , ; preventing wheel slip by reducing power in rail vehicles ; dynamo-electric machines ; control or regulation of electric motors ); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles ; electric heating for vehicles ); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors ); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES)

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