An agricultural product cultivating constant temperature control circuit
A technology of constant temperature control circuit and agricultural products, which is applied in the direction of temperature control, non-electric variable control, control/regulation system, etc. It can solve the problems of reduced reliability and anti-interference performance, high ambient humidity, and increased difficulty, so as to ensure production and time, high control precision and reasonable structural design
Inactive Publication Date: 2015-11-18
WUHU RUITAI PRECISION MACHINERY
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Problems solved by technology
However, due to the complex wiring, high humidity, strong light, and certain acidity in the greenhouse environment, the reliability and anti-interference performance of the system are reduced, and the difficulty of later maintenance is increased.
Method used
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Embodiment Construction
[0017] Such as figure 1 A constant temperature control circuit for cultivating agricultural products is shown, including a power supply circuit and a temperature detection control circuit.
[0018] The power supply circuit is composed of bleeder resistor R1, rectifier diodes VD1, VD2, zener diode VS, step-down capacitor C1, and filter capacitor C2. The bleeder resistor R1, step-down capacitor C1, and rectifier diodes VD1 and VD2 are respectively connected in parallel, the rectifier diode VD2 is also connected with a smoothing capacitor C2 and a voltage stabilizing diode VS connected in parallel.
[0019] The temperature control circuit is composed of integrated chip IC, thermistor RT, potentiometer RP1~RP3, resistors R2~R4, thyristor VT and heating wire EH. The 6 pins of the integrated chip are connected with the potentiometer RP1, and the potential Device RP1 is respectively connected with thermistor RT and potentiometer RP2, and said potentiometer RP2 is also connected with...
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The invention provides an agricultural product cultivating constant temperature control circuit comprising a power supply circuit and a temperature detection control circuit. The power supply circuit comprises a drain resistor, rectifier diodes, a voltage stabilizing diode, a voltage reduction capacitor and a filter capacitor, wherein the drain resistor, the voltage reduction capacitor and the rectifier diodes are connected in parallel. One rectifier diode is connected with the filter capacitor and the voltage stabilizing diode connected in parallel. The temperature control circuit comprises an integrated chip IC, a thermosensitive resistor, a potentiometer, a resistor, a thyristor and a heating wire. The control circuit is reasonable in structural design, high in control accuracy and low in energy consumption, facilitates operation, is convenient to use and low in manufacture cost, is generally applicable to constant temperature cultivation of various kinds of agricultural products, and can greatly guarantee the cultivation yield and time and increase the efficiency and yield.
Description
technical field [0001] The invention belongs to the technical field of agricultural automation control, and in particular relates to a constant temperature control circuit for cultivating agricultural products. Background technique [0002] my country's agriculture is in a new stage of transformation from traditional agriculture to modern agriculture with the goal of high quality, high yield and high benefit. As an important means to improve agricultural production efficiency, greenhouse planting is increasingly widely used in modern agriculture. The means of fast growth, high quality and high yield of agricultural organisms is an important symbol of agricultural modernization. In recent years, with the improvement of people's living standards, higher requirements have been placed on the quality of rice. The method of growing rice in greenhouses to improve rice quality has been more and more used in high-end ecological agriculture. [0003] At present, whether it is based on...
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Inventor 晋入龙涂超
Owner WUHU RUITAI PRECISION MACHINERY