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Method and apparatus for automatic control watering

A reverse osmosis membrane and volumetric technology, applied in botany equipment and methods, root waterers, gardening, etc., can solve the problems of unfavorable soil and root respiration, unfavorable plant growth, water waste, etc., to prolong the service life, soil biological and the effect of improving the living environment of plants and avoiding damage

Inactive Publication Date: 2016-01-06
张洪荣
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  • Claims
  • Application Information

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Problems solved by technology

But obviously this device can only provide continuous water supply. Although it is convenient to use, it consumes water, especially when the soil moisture is good and continues to water. The soil moisture is often in a saturated state. The lack of soil air is not conducive to soil and root respiration. plant growth, even root rot

Method used

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  • Method and apparatus for automatic control watering
  • Method and apparatus for automatic control watering
  • Method and apparatus for automatic control watering

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Embodiment Construction

[0033] The present invention will be described below in conjunction with embodiments and accompanying drawings.

[0034] For a first embodiment of the invention see figure 1 and figure 2 , this embodiment consists of: housing (see attached figure 1 upper part), water storage bag (that is, water source) 1, adjusting bolt 2, water delivery pipe 3, push rod 4, support plate 5, expansion membrane 6 and an immutable structure composed of reverse osmosis membrane fixed with expansion membrane 6 The closed cylinder formed by the volume part, the solution 8 of the osmotic adjustment substance contained in the closed cylinder, the water outlet 14 and the like are composed. Wherein: the closed cylinder is composed of: a hollow rigid framework 10 for enhancing the rigidity of the reverse osmosis membrane, and a metal net 11 which further enhances the rigidity of the reverse osmosis membrane is also arranged between the rigid framework 10 and the reverse osmosis membrane. The outside ...

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Abstract

The invention discloses a method and an apparatus for automatic control watering. The method comprises the steps of burying an container that has a reverse osmosis membrane thereon and liquid that has osmoregulation substance therein in an area that needs watering; part of the reverse osmosis membrane on the container is in full contact with the soil of the area that needs watering; the expansion force or contraction force generated in the container due to the change of the water potential of the soil in the watering area is used to open and close a water-supply-pipe connected to a water source. According to the invention, the watering can be controlled without relying on outside energy; the watering can be controlled according to the soil water potential, therefore the purpose of watering based on demand is realized; water content supply for plant growth can be completely satisfied; the rotten root caused by over watering is avoided; and the water can be saved.

Description

technical field [0001] The invention relates to a method and device for automatically controlling watering, in particular to a method and device for automatically turning on or off watering according to changes in soil water potential. Background technique [0002] In the prior art, one kind of control of irrigation water does not blindly supply water according to the level of soil water potential and whether the plants are short of water. Process and output the corresponding action signal, and the actuator drives the valve action to realize water supply or water cutoff, such as the technical solution disclosed in Chinese invention patent application 2012101422711, which takes into account the soil water potential and the water demand of plants. But obviously, the cost of this type of device is relatively high, the structure is relatively very complicated, and it needs to be realized under the condition of electric energy, and there are corresponding requirements for the wor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G29/00
CPCA01G29/00
Inventor 张洪荣张小小
Owner 张洪荣
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