| 摘要 |
PROBLEM TO BE SOLVED: To provide a three-dimensional flower bed provided with an automatic sprinkler not needing both of a commercial power source and tap water, and almost not needing labor for management, and to provide the automatic sprinkler and a container used in the flower bed. SOLUTION: This three-dimensional flower bed provided with an automatic sprinkler is composed of the following components: plural containers each having a built-in water reservoir provided with a water supply device; a stand on which the containers are three-dimensionally placed and supported; a cistern placed in the lower part of the stand and preferably capable of collecting and storing rain water; a submerged pump placed in the cistern; solar cells; a power circuit for storing output power from the solar cells and operating the above submerged pump in accordance with a predetermined program; a water pipe for guiding pumped water by the submerged pump to the water reservoir in the container located at the highest position; a water conduit for guiding overflowed water from the water reservoir in the container located at higher position to the water reservoir in the container located at lower position in order; and a drainage pipe for returning overflown water from the water reservoir in the container located at the lowest position to the inside of the cistern. |
