CN205491950U - Green house atmospheric control system - Google Patents

Green house atmospheric control system Download PDF

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Publication number
CN205491950U
CN205491950U CN201620253352.2U CN201620253352U CN205491950U CN 205491950 U CN205491950 U CN 205491950U CN 201620253352 U CN201620253352 U CN 201620253352U CN 205491950 U CN205491950 U CN 205491950U
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relay
connects
resistance
control
outfan
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CN201620253352.2U
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赵雨辰
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赵雨辰
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

Abstract

The utility model provides an improve that green house atmospheric control system relates to a big -arch shelter atmospheric control system. The utility model provides a labour saving and time saving just regulates and control a timely green house atmospheric control system. The utility model discloses its characterized in that: does signal acquisition circuit include temperature and humidity sensor RH, temperature and humidity sensor RH's one end connecting resistance R2 and varistor ware RP2 one end, other end connecting resistance R1 one end and operational amplifier IC1 the A reverse input end, LED lamp one end and triode T's projecting pole is all connected to the varistor ware RP1 other end and the resistance R5 other end, the relay K3's of relay J other end connection control part circuit control end, two relay K4 of carrying are controlled to relay K3's controlled terminal, and relay K2's controlled terminal is connected to two years relay K4's controlled terminal one end, and relay K1's control end is connected to the other end, relay K1's controlled end control fan and the switching between the commercial power.

Description

A kind of agricultural greenhouse temperature and humidity control system
Technical field
This utility model relates to the improvement of a kind of green house temperature-humidity control system.
Background technology
Along with high molecular polymer-polrvinyl chloride, the generation of polyethylene, plastic sheeting is widely used in agricultural.Japan and American-European countries cover hotbed in initial stage fifties application greenhouse film and succeed, and cover hut the most again and greenhouse also obtains good result.China introduces poly agricultural film in autumn nineteen fifty-five, first covers vegetable in Beijing for hut, it is thus achieved that the effect of precocious volume increase.Booth is former be vegetable produce special equipment, along with produce development booth application the most extensive.Current booth has been used for potted flower and cut-flower cultivation;Production of fruit trees is for cultivating grape, Fructus Fragariae Ananssae, Citrullus vulgaris, Fructus Melo, Fructus Persicae and mandarin orange etc.;Production of forestry is used for forest seedling growth, the cultivation etc. of ornamental trees;Aquaculture is used for breeding silkworms, raises chickens, cowboying, raise pigs, fish and fry etc..Although booth application is more and more extensive, but the Temperature and Humidity Control in booth is the most not fully up to expectations, and the Temperature and Humidity Control in general booth is required to Non-follow control, the most easily occurs problem not in time but also wastes time and energy.
Summary of the invention
This utility model is aiming at the problems referred to above, it is provided that a kind of time saving and energy saving and regulation and control a kind of agricultural greenhouse temperature and humidity control system timely.
nullFor achieving the above object,This utility model adopts the following technical scheme that,This utility model includes signal acquisition circuit and controls partial circuit,It is characterized in that: described signal acquisition circuit includes warm and humid sensor RH,One end of Temperature Humidity Sensor RH connects resistance R2 and rheostat RP2 one end,The other end connects resistance R1 one end and operational amplifier IC1-A reverse input end,The positive input resistance of the other end concatenation operation amplifier IC1-A of resistance R2 and resistance R3 one end,The resistance R3 other end connects rheostat RP1 one end,The rheostat RP2 other end connects resistance R4 one end,Resistance R4 other end concatenation operation amplifier IC1-B reverse input end and resistance R5 one end,The resistance R1 other end、The rheostat RP1 other end and the resistance R5 other end are all connected with LED one end and the emitter stage of audion T,The outfan of operational amplifier IC1-A and operational amplifier IC1-B connects the input of comparator respectively,The outfan of comparator connects the other end and the base stage of audion of LED etc.,Collector connection relay J one end of audion;
The relay J other end connects the control end of the relay K 3 controlling partial circuit, the controlled terminal of relay K 3 controls double load relay electrical equipment K4, controlled terminal one end of double load relay K 4 connects the controlled terminal of relay K 2, the other end connects the control end of relay K 1, and the control end of relay K 2 connects power pack;The controlled end of relay K 1 controls the opening and closing between blower fan and civil power.
As a kind of preferred version, described relay J connects relay power supply part;Described relay power supply part includes transformator T2, the outprimary of transformator T2 connects civil power, the secondary coil end of transformator T2 connects rectifier bridge, and the outfan of rectifier bridge connects the input of two LM317 chips, and the outfan of LM317 chip connects the power end of relay J.
As another kind of preferred version, connect at rectification bridge output end and have filter capacitor C1.
This utility model beneficial effect.
During use, temperature and moisture signals is received by warm and humid sensor, and by signal by sending into comparator after operational amplifier, comparator passes control signal, controlling relay J, relay J controls relay K 4 by relay K 3 and realizes carrying out Non-follow control by relay K 2 and still automatically controlling of relay K 1;Workable, Non-follow control can be carried out when breaking down;Be used conveniently and safely, control timely and time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is this utility model signal acquisition circuit figure.
Fig. 2 is that this utility model controls partial circuit diagram.
Fig. 3 is this utility model relay power supply partial circuit diagram.
Detailed description of the invention
nullAs Figure 1-3,This utility model includes signal acquisition circuit and controls partial circuit,It is characterized in that: described signal acquisition circuit includes warm and humid sensor RH,One end of Temperature Humidity Sensor RH connects resistance R2 and rheostat RP2 one end,The other end connects resistance R1 one end and operational amplifier IC1-A reverse input end,The positive input resistance of the other end concatenation operation amplifier IC1-A of resistance R2 and resistance R3 one end,The resistance R3 other end connects rheostat RP1 one end,The rheostat RP2 other end connects resistance R4 one end,Resistance R4 other end concatenation operation amplifier IC1-B reverse input end and resistance R5 one end,The resistance R1 other end、The rheostat RP1 other end and the resistance R5 other end are all connected with LED one end and the emitter stage of audion T,The outfan of operational amplifier IC1-A and operational amplifier IC1-B connects the input of comparator respectively,The outfan of comparator connects the other end and the base stage of audion of LED etc.,Collector connection relay J one end of audion;
The relay J other end connects the control end of the relay K 3 controlling partial circuit, the controlled terminal of relay K 3 controls double load relay electrical equipment K4, controlled terminal one end of double load relay K 4 connects the controlled terminal of relay K 2, the other end connects the control end of relay K 1, and the control end of relay K 2 connects power pack;The controlled end of relay K 1 controls the opening and closing between blower fan and civil power.
As a kind of preferred version, described relay J connects relay power supply part;Described relay power supply part includes transformator T2, the outprimary of transformator T2 connects civil power, the secondary coil end of transformator T2 connects rectifier bridge, and the outfan of rectifier bridge connects the input of two LM317 chips, and the outfan of LM317 chip connects the power end of relay J.
As another kind of preferred version, connect at rectification bridge output end and have filter capacitor C1.
During use, temperature and moisture signals is received by warm and humid sensor, and by signal by sending into comparator after operational amplifier, comparator passes control signal, controlling relay J, relay J controls relay K 4 by relay K 3 and realizes carrying out Non-follow control by relay K 2 and still automatically controlling of relay K 1;Workable, Non-follow control can be carried out when breaking down;Be used conveniently and safely, control timely and time saving and energy saving.

Claims (3)

  1. null1. an agricultural greenhouse temperature and humidity control system,Including signal acquisition circuit and control partial circuit,It is characterized in that: described signal acquisition circuit includes warm and humid sensor RH,One end of Temperature Humidity Sensor RH connects resistance R2 and rheostat RP2 one end,The other end connects resistance R1 one end and operational amplifier IC1-A reverse input end,The positive input resistance of the other end concatenation operation amplifier IC1-A of resistance R2 and resistance R3 one end,The resistance R3 other end connects rheostat RP1 one end,The rheostat RP2 other end connects resistance R4 one end,Resistance R4 other end concatenation operation amplifier IC1-B reverse input end and resistance R5 one end,The resistance R1 other end、The rheostat RP1 other end and the resistance R5 other end are all connected with LED one end and the emitter stage of audion T,The outfan of operational amplifier IC1-A and operational amplifier IC1-B connects the input of comparator respectively,The outfan of comparator connects the other end and the base stage of audion of LED etc.,Collector connection relay J one end of audion;
    The relay J other end connects the control end of the relay K 3 controlling partial circuit, the controlled terminal of relay K 3 controls double load relay electrical equipment K4, controlled terminal one end of double load relay K 4 connects the controlled terminal of relay K 2, the other end connects the control end of relay K 1, and the control end of relay K 2 connects power pack;The controlled end of relay K 1 controls the opening and closing between blower fan and civil power.
  2. A kind of agricultural greenhouse temperature and humidity control system the most according to claim 1, it is characterised in that: described relay J connects relay power supply part;Described relay power supply part includes transformator T2, the outprimary of transformator T2 connects civil power, the secondary coil end of transformator T2 connects rectifier bridge, and the outfan of rectifier bridge connects the input of two LM317 chips, and the outfan of LM317 chip connects the power end of relay J.
  3. A kind of agricultural greenhouse temperature and humidity control system the most according to claim 2, it is characterised in that: connect at rectification bridge output end and have filter capacitor C1.
CN201620253352.2U 2016-03-30 2016-03-30 Green house atmospheric control system Active CN205491950U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620253352.2U CN205491950U (en) 2016-03-30 2016-03-30 Green house atmospheric control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620253352.2U CN205491950U (en) 2016-03-30 2016-03-30 Green house atmospheric control system

Publications (1)

Publication Number Publication Date
CN205491950U true CN205491950U (en) 2016-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620253352.2U Active CN205491950U (en) 2016-03-30 2016-03-30 Green house atmospheric control system

Country Status (1)

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CN (1) CN205491950U (en)

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