| 摘要 |
<p>A water heating apparatus includes a solar power collecting unit (2), a supporting device (5) operable to support movably the solar power collecting unit (2) on a supporting surface (100), a control module (6) for controlling the supporting device (5) based on a solar radiating direction such that the solar power collecting unit (2) is moved to face sunlight, and a cleaning device (7) controlled by the control module (6) for cleaning the solar power collecting unit (2) . The cleaning device (7) includes a water spraying pipe (72), a water pump (74), an air spraying pipe (73), and an air pump (75).</p> |
