The invention discloses an
electric vehicle heat management control method and an
electric vehicle heat management control system. The
electric vehicle heat management control method comprises the following steps: performing temperature detection, namely detecting and recording the temperature of a battery or a battery core; performing temperature judgment, namely judging whether the temperature of the battery or the battery core is within a high-temperature
working temperature range; if the temperature of the battery or the battery core is within the high-temperature
working temperature range, executing temperature comparison; performing temperature comparison, namely comparing the current temperature with the last temperature; if the current temperature is higher than the last temperature, executing a cooling operation; cooling, namely proportionally increasing the rotation speed of a
power component of cooling equipment; repeating the former step until the
power component of the cooling equipment is in full-speed operation. According to the electric vehicle heat management control method and the electric vehicle heat management
control system, through setting of an adjusting proportion, the rotation speed of the
power component of the cooling equipment is increased according to the set proportion, and the adjusting proportion can be revised to the optimal adjusting proportion according to an actual situation, an optimal operating state of the whole equipment is met and the
energy consumption is lowered; the before and after temperatures of the battery core are compared,the power of the cooling equipment is timely adjusted for cooling, the battery is adjusted to the optimal
working temperature range in the most energy-saving way, and the
energy consumption is loweredwhile the working efficiency of the battery is improved.