Equipment adapted to use solar cell or device adapted to the equipment

摘要

An equipment adapted to use a solar cell, or a device adapted to this equipment, includes a first unit for setting the equipment in a first state in which the equipment is in use, and in a second state in which the equipment is not in use, and a second unit for setting the equipment in a third state for heat insulation, which is different from the first and second states, under a condition in which the solar cell generates electricity.