Plant critical freezing injury temperature detector

Abstract

The invention discloses a plant critical freezing injury temperature detector and belongs to the field of monitoring and control of agro-meteorological disasters. The detector comprises a detector main engine which takes a power consumption microcontroller as a core, and a plant critical freezing injury temperature wireless sensor, wherein the detector main engine is in wireless communication with the plant critical freezing injury temperature wireless sensor through a wireless transmission communication protocol. According to the plant critical freezing injury temperature detector disclosed by the invention, portable and effective measurement of plant critical freezing injury temperatures is realized; the plant critical freezing injury temperature detector is simple in structure and low in cost; and the wireless sensor and the detector are used for carrying out wireless transmission of data, and multi-point monitoring of the plant critical freezing injury temperatures is realized.

Description

technical field [0001] The invention relates to the field of agricultural meteorological disaster monitoring and control, in particular to a plant critical freezing damage temperature detector technology. Background technique [0002] Early spring and late frost damage can cause serious damage to plant growth and development. In recent years, foreign countries have developed mechanized anti-frost equipment and technology. The Chinese patent No. 201310539973.8 discloses a plant automatic sprinkler irrigation frost-proof system and method; the Japanese patent No. JP2006238767 discloses a frost damage prevention device; The Chinese patent No. 201410620814.5 discloses a flight method for small unmanned helicopters to prevent plant frost damage; the U.S. patent No. US20110247263 proposes a critical low temperature inverse temperature difference control and an inverse temperature delay control. The methods are all based on the critical temperature of the freezing damage of tea tr...

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Problems solved by technology

In recent years, foreign countries have developed mechanized anti-frost equipment and technology. The Chinese patent No. 201310539973.8 discloses a plant automatic sprinkler irrigation frost-proof system and method; the Japanese patent No. JP2006238767 discloses a frost damage prevention device; The Chinese patent No. 201410620814.5 discloses a flight method for small unmanned helicopters to prevent plant frost damage; the U.S. patent No. US20110247263 proposes a critical low temperature inverse temperature difference control and an inverse temperature delay control. The methods are all based on the critical temperature of the freezing damage of tea trees as a necessary condition; the critical freezing damage temperature is one of the important control parameters of mechanized frost protection; the Chinese patent No. 201410405693.2 discloses a method and system for testing the critical freezing damage temperature of plants, which can Effectively test critical freezing damage temperature, but the test system is complex and cumbersome, and cannot be effectively used for multi-point monitoring; Chinese patent No. 201310683539.7 discloses a thermocouple temperature measuring instrument and its debugging device, which uses temperature calibration data to establish segments Data table, usually use table look-up calculation method to realize nonlinear correction and error compensation when measuring temperature, and realize factory debugging of multiple thermocouple temperature measuring instruments each time through stepping motor, but this measuring instrument cannot be used to measure plant freezing damage Temperature; the Chinese patent No. 201420438236.9 discloses a non-contact temperature measuring instrument, which is used to measure the temperature of the target object in a non-contact manner, but it cannot be effectively used to test the critical freezing damage temperature of plants

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