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Automatic control circuit of greenhouse

An automatic control and circuit technology, applied in the direction of program control, computer control, comprehensive factory control, etc., can solve problems such as unsuitable for popularization, high production cost, and difficult wiring, so as to reduce manual operation cost, low production cost, and control The process is simple and easy to control the effect

Inactive Publication Date: 2016-01-20
WUHU CHENGTONG AUTOMATION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The greenhouse control circuit in the prior art has a complex structure, difficult wiring and complicated control, serious loss, and high production cost, so it is not suitable for popularization and use

Method used

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  • Automatic control circuit of greenhouse

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Such as figure 1 The greenhouse automation control circuit shown includes a control chip U1, and the control chip U1 adopts a single-chip microcomputer AT89C51 chip. The RESET terminal of the control chip U1 is connected with a reset button, a capacitor C7 and a resistor R19, and the reset button, capacitor C7 and resistor R19 form a reset circuit.

[0016] The RXD end of the control chip U1 is connected to the base of the resistor R15 and the transistor Q5 through the capacitor C3, and the collector of the transistor Q5 is connected to the base of the transistor Q7, the base of the transistor Q6 and the resistor R16 respectively. The emitters of the triode Q7 and the triode Q6 are commonly connected to a capacitor C4 and a speaker LS.

[0017] The T0 terminal of the control chip U1 is connected with a function button, the T1 terminal of the control chip U1 is connected with a parameter button, the WR terminal of the control chip U1 is connected with an increase button...

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PUM

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Abstract

Disclosed in the invention is an automatic control circuit of a greenhouse. The automatic control circuit comprises a control chip connected with a clock circuit, a nixie tube display circuit, a nixie tube drive circuit, a button input circuit, a button control circuit, and a relay control circuit respectively. The nixie tube display circuit employs a common-anode quaternity 12-pin nixie tube. The nixie tube drive circuit is formed by a plurality of resistors and a triode. The button input circuit includes a function button, a parameter button, an increasing button, a reduction button, and a reset button. The button control circuit is formed by a multi-stage amplification circuit. According to the invention, the provided automatic control circuit has advantages of reasonable structural design, simple control principle, simple and easily-controlled control process, convenient operation, and low manufacturing cost; matching of all control lamps, temperature control and humidity control inside a greenhouse is realized; automatic control is realized; and the manual operation cost is lowered.

Description

technical field [0001] The invention relates to an automatic control circuit, in particular to an automatic control circuit applied in a greenhouse. Background technique [0002] Facility agriculture is one of the most dynamic emerging industries at present, and greenhouses are typical equipment for facility agriculture. A greenhouse is a place that can change the plant growth environment, create the best conditions for plant growth, and avoid the influence of seasonal changes and harsh weather outside. It has the advantages of rational use of agricultural resources, protection of the ecological environment, and increase of agricultural production. Greenhouse control technology is a cutting-edge research field in the world. Its key technology is to collect and effectively control environmental factors such as temperature, humidity, and light. The ultimate goal of this technology is to improve control and operation accuracy. [0003] With the continuous improvement of the sc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/042Y02P90/02
Inventor 邵斌斌
Owner WUHU CHENGTONG AUTOMATION EQUIP
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