Anti-frost and anti-freezing apparatus

Abstract

The invention provides an anti-frost and anti-freezing apparatus which can solve the difficulty of effectively increasing temperature near crops in an energy-saving manner. For the anti-frost and anti-freezing apparatus, a fan at a high position blows down warm wind from a high place to a low place, and a fan at a low position blows wind at a substantially horizontal direction. A garden field is provided with a structure which has a heater. The fan at the high position is workable only when the temperature at a high place where a thermal inversion layer happens is higher than the temperature near crops. Subsequently, the heater is operated when the temperature near the crops is further lowered. On the contrary, when the temperature at the high place where the thermal inversion layer happens is below the temperature near the crops, the fan at the high position is not operated, and the heater and / or a heater at a low position are / is operated. Warm wind is blown at a substantially horizontal direction so as to prevent frost and freeze injuries.

Description

technical field [0001] The present invention relates to an anti-frost and anti-freeze device for anti-frost and anti-freeze of crops. Background technique [0002] As a countermeasure against frost and frost (frost damage) for crops such as pears, apples, peaches, grapes, and loquats, the air blowing method using a frost-proof fan is simple and commonly used. However, the current natural environment in recent years is extremely diverse depending on the local area or the day, even though it is warm in winter, and the current situation is that there are more and more cases of low temperature conditions. It is indeed beneficial to advance the development of crops in warm winters. However, especially in the occasions that need attention, the current situation is that the period from early April to early May when late frost occurs coincides with the period from germination to young fruit period when crops' low temperature resistance rapidly declines, and when the lowest temperat...

AI Technical Summary

Problems solved by technology

For example, in the case of combustion means, there are economic problems caused by rising fuel costs, and there are problems in the situation where it is necessary to prevent global warming (the situation where it is desired to reduce the amount of combustion)

In addition, in the case of sprinkling and icing means, it is problematic to ensure a large amount of water of 4 tons per hour and drainage measures, for example, in the case of 1,000 square meters, because the frost damage will be promoted if the sprinkling is insufficient.

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