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Biasing circuit-based temperature monitoring alarm system for greenhouse fig cultivation

A technology of bias circuit and alarm system, applied in the field of monitoring system, can solve the problem of large error of temperature monitoring system, and achieve the effect of improving accuracy, accurate monitoring and good adjustment

Inactive Publication Date: 2017-03-15
四川森迪科技发展股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defect that the existing temperature monitoring system has a large error, and provide a temperature monitoring and alarm system for growing figs in greenhouses based on a bias circuit

Method used

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  • Biasing circuit-based temperature monitoring alarm system for greenhouse fig cultivation
  • Biasing circuit-based temperature monitoring alarm system for greenhouse fig cultivation

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Embodiment

[0016] Such as figure 1 As shown, the present invention mainly consists of a temperature sensor G, a trigger switch circuit, a bias circuit connected to the trigger switch circuit, an amplifier P1, a P pole connected to the temperature sensor G, and an N pole connected to the output terminal of the amplifier P1 after passing through a resistor R3. Connected diode D1, the anode is connected to the N pole of the diode D1, and the cathode is connected to the cathode of the amplifier P1 after passing through the resistor R2. The capacitor C1, the N pole is connected to the output terminal of the amplifier P1, and the P pole is grounded after passing through the resistor R5. Zener diode D2, the positive pole is connected to the negative pole of capacitor C1 after resistor R1, the negative pole is connected to the P pole of Zener diode D2, the positive pole is connected to the output terminal of amplifier P1 after resistor R4, the negative pole is connected to The capacitor C3 conne...

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Abstract

The invention discloses a biasing circuit-based temperature monitoring alarm system for greenhouse fig cultivation. The system is characterized in that the system is mainly composed of a temperature sensor G, a trigger switch circuit, a biasing circuit which is connected with the trigger switch circuit, an amplifier P1 and the like. The system of the invention can filter out detection signals which are noise signals, so that the accuracy of greenhouse temperature monitoring can be improved, and therefore, a grower can better adjust temperature in a greenhouse; and the system of the present invention can perform distortion-free amplification on detection signals, so that the detection signals can be compared with a set value, and therefore, the temperature in the greenhouse can be monitored more accurately.

Description

technical field [0001] The invention relates to a monitoring system, in particular to a bias circuit-based temperature monitoring and alarm system for growing figs in greenhouses. Background technique [0002] Figs are rich in nutrients such as amino acids, organic acids, magnesium, manganese, copper and vitamins, and are deeply loved by people. With the development of greenhouse planting technology, figs have been planted in greenhouses. If figs are planted in greenhouses, the yield of figs will increase, and the fruit will be larger and the juice will be more. Because figs are not cold-resistant and have high temperature requirements, a temperature monitoring system is usually used to monitor the temperature in the greenhouse when planting in a greenhouse. When the temperature is too low, the greenhouse needs to be heated in time to ensure the normal growth of figs. However, the existing temperature monitoring system is doped with a large noise signal in the signal output...

Claims

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Application Information

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IPC IPC(8): G01K13/00G01K1/02
CPCG01K1/02G01K13/00
Inventor 杨志良孔利文辜晓平杨强
Owner 四川森迪科技发展股份有限公司
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