Patent ID: 9565811
Date: 2017-02-14
CPC Classifications: A01G,F04F,Y02P

Claim:
1. An external cultivation liquid siphon system, comprising: a plant cultivation pot; a cultivation liquid storage tank; and an external cultivation liquid siphon bridging the plant cultivation pot and the cultivation liquid storage tank to provide reciprocal siphonage action, the external cultivation liquid siphon comprising: liquid delivery equipment including a liquid pumping device located in the cultivation liquid storage tank and a liquid delivery pipe bridging the liquid pumping device and the plant cultivation pot; and external siphon equipment which defines an upper level in the plant cultivation pot corresponding to a plant cultivating location and a lower level away from the plant cultivating location and is connected to a liquid input tube corresponding to the lower level, the liquid input tube being connected to a first end of an inverse U-shaped tube corresponding to the upper level via a first connection tube, the inverse U-shaped tube including a second end connected to a liquid discharge tube via a second connection tube to deliver cultivation liquid to the cultivation liquid storage tank; wherein the liquid discharge tube and the second connection tube are internally bridged by an intermediate tube having an inner diameter smaller than that of the second connection tube and the liquid discharge tube.