JP2000262148A - Plant environment control device utilizing liquid carbon dioxide - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject device which can easily give carbon dioxide to a plant placed in a green house, a green glass house, a heat-insulated structure or a test tube in a laboratory to raise or preserve the plant. SOLUTION: This plant environment control device utilizing liquid carbon dioxide is used by placing a plant in a heat-insulated structure or a covered structure such as a greenhouse, maintaining a low temperature environment state by the use of an air conditioner 2 and supplying carbon dioxide from a liquid carbon dioxide cylinder 3 in proportion to the changes of temperature in the structure. Since the device gives the carbon dioxide to the plant in proportion to the changes of the temperature in the structure, adverse effects given to the plant due to stresses are reduced, and the growth or preservation of the plant are improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for controlling liquid carbon dioxide, and more particularly to a method for producing a stable growth and preservation effect of plants.

[0002]

2. Description of the Related Art In order to control the growth and preservation of plants, they have relied solely on the amount of carbon dioxide at a constant concentration regardless of temperature changes from outside and inside. The resulting stress was too stressful, especially for plant preservation.

[0003]

The above-mentioned conventional method is a method for naturally and easily controlling the growth and preservation of plants, because the above-mentioned conventional method has too much stress on the plants and causes a rapid brake for the growth and preservation of plants. The purpose is to provide.

[0004]

[Means for Solving the Problems] In order to control the growth and preservation naturally and naturally for the cultivation and preservation of plants, gradually apply liquid carbonic acid in accordance with the heat generation temperature of the plants themselves and the temperature of the outside air. It is characterized by controlling growth and preservation.

[0005]

[Effect] The respiration and oxidation of the plant can be suppressed without difficulty, and growth and preservation can be controlled.

[0006]

According to the present invention, according to the present invention, an insulation structure provided in a general building, such as a cultivation house, a glass greenhouse, a warehouse, a prefab, a general building, or the like, an insulation house, a cool box, a pre-cooling, Easily and easily control plants grown in test tubes in laboratories, growing plants in test tubes in the laboratory, controlling flower bud differentiation and dormancy, and growing plants such as vegetables and potatoes. Obtained in a natural way.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic view of a plant environment control device utilizing liquid carbonic acid. To explain this schematic diagram, in order to make the inside of the heat insulating structure main body 1 into a low-temperature atmosphere state, it is held by the cooling device 2, the internal temperature of the heat insulating structure main body 1 is sensed by the temperature sensor 4, and the control panel 5 When set to automatic, the concentration of carbon dioxide gas is set in proportion to the temperature, and set and opened and closed.
Liquefied carbon dioxide gas 3 is sprayed from the spray nozzle 8 by opening the on-off valves 6 and 7. When the concentration of carbon dioxide rises above the designated concentration, the gas is exhausted at the ventilation port 9 and the concentration of carbon dioxide is proportionally controlled in accordance with the temperature inside the heat insulating structure body. By setting the control panel to manual, carbon dioxide gas of a certain concentration is sprayed from the spray nozzle 8 by opening the on-off valves 6 and 7. In addition, in the case of normal temperature or high temperature, the cooling device is unnecessary and controlled.

[Brief description of the drawings]

FIG. 1 is a plant environment control device using liquefied carbon dioxide according to the present invention.

[Explanation of symbols]

1. Insulation structure main body, 2. Cooling device, 3. Liquefied carbon dioxide, 4. Temperature sensor, 5. Control panel, 6, On-off valve, 7, On-off valve, 8, Spray nozzle , 9 ... ventilator,

Claims (7)

[Claims] 1. A plant is placed in a covering structure such as a cultivation house or a heat insulating structure, and kept in a low-temperature atmosphere by a cooling device, and the carbon dioxide of the liquid carbon dioxide is proportional to the rise and fall of the temperature inside the structure. A plant environment control device, characterized in that the plant environment control device is supplied. 2. The method according to claim 1, wherein the plant is placed in a covering structure such as a cultivation house or a heat insulating structure, and is kept in a low-temperature atmosphere state by a cooling device, and carbon dioxide of liquid carbon dioxide is supplied into the structure. Plant environment control device. 3. A plant, wherein the plant is placed in a covering structure or a heat insulating structure such as a cultivation house, and carbon dioxide of liquid carbon dioxide is supplied in proportion to a rise and fall of the temperature inside the structure. Environment control device. 4. A plant environment control device, wherein a plant is placed in a covering structure such as a cultivation house or a heat insulating structure, and carbon dioxide of liquid carbon dioxide is supplied into the structure. 5. A plant environment control apparatus utilizing liquefied carbonic acid according to claim 1, wherein a plant is placed in the heat insulating structure. 6. A plant environmental device utilizing liquefied carbonic acid according to claim 1, wherein the plant is placed in a part of the building where the inside of the building is insulated. 7. The plant environmental device utilizing liquid carbonic acid according to claim 1, wherein the plant is placed in a test tube in a laboratory.