Agricultural greenhouse environment control circuit based on industrial waste heat

Agricultural greenhouse environment control circuit based on industrial waste heat

  • CN 105,824,342 A
  • Filed: 05/25/2016
  • Published: 08/03/2016
  • Est. Priority Date: 05/25/2016
  • Status: Active Grant
First Claim
Patent Images

1. the agricultural greenhouse environmental Kuznets Curves circuit utilizing industrial exhaust heat, including the first circuit interface J1, second circuit interface J2, power interface J3, temperature-control circuit and humidity control circuit, it is characterized in that, 1 pin and 2 pins of described first circuit interface J1 are connected to the first humistor and the second humistor, 5 pins of the first circuit interface J1 and 4 pins are connected to hot-water line three-way valve and cold water pipe three-way valve, and 6 pins of the first circuit interface J1 connect humidifying spraying nozzle;

  • 1 pin, 3 pins, 5 pins and 7 pins of described second circuit interface J2 are connected to the first critesistor, the second critesistor, the 3rd critesistor and the 4th critesistor;

    1 pin and 2 pins of described first circuit interface J1 are all connected with the input of humidity control circuit, the outfan of humidity control circuit and 6 pins of the first circuit interface J1 connect, second circuit interface J2 is connected with the input of temperature-control circuit, the outfan of temperature-control circuit and 5 pins of the first circuit interface J1 and 4 pins connect, and power interface J3 provides electric energy for humidity control circuit and temperature-control circuit;

    nullDescribed humidity control circuit includes operational amplifier U1-A、

    Model is the chip U11 of LM331、

    Operational amplifier U1-B、

    Operational amplifier U2-A、

    Comparator U2-B and photo-coupler PC1,

    The reverse input end of described operational amplifier U1-A is through electric capacity C1 ground connection GND,

    The reverse input end of operational amplifier U1-A and 1 pin of the first circuit interface J1 connect,

    The reverse input end of operational amplifier U1-A is connected with one end of resistance R1,

    The other end of resistance R1 and 2 pins of the first circuit interface J1 connect,

    The other end of resistance R1 is connected with one end of resistance R2,

    The other end of resistance R2 is connected with the outfan of operational amplifier U1-A,

    One end of resistance R2 is connected with one end of resistance R3,

    The other end of resistance R3 is connected with the in-phase input end of operational amplifier U1-A,

    The other end of resistance R3 is connected with one end of resistance R4,

    The other end ground connection GND of resistance R4,

    One end of resistance R2 is connected with one end of electric capacity C2,

    The other end of electric capacity C2 is connected with one end of resistance R5,

    The other end of resistance R5 is connected with 7 pins of the chip U11 that model is LM331,

    The other end of electric capacity C2 is connected with one end of resistance R6,

    The other end of resistance R6 is connected with one end of resistance R7,

    The other end of resistance R7 is connected with 7 pins of the chip U11 that model is LM331,

    Model is that 8 pins of the chip U11 of LM331 are connected with one end of resistance R7,

    Model is that 5 pins of the chip U11 of LM331 are connected with one end of resistance R10,

    The other end of resistance R10 is connected with one end of resistance R7,

    Model is that the 5 of the chip U11 of LM331 draws foot meridian capacitor C4 ground connection GND,

    Model is that 2 pins of the chip U11 of LM331 are through resistance R8 ground connection GND,

    Model is that 1 pin of the chip U11 of LM331 is through resistance R11 ground connection GND,

    Model is that the 1 of the chip U11 of LM331 draws foot meridian capacitor C3 ground connection GND,

    Model is 3 pins and 4 pins all ground connection GND of the chip U11 of LM331,

    Model is that 1 pin of the chip U11 of LM331 is connected through the in-phase input end of resistance R13 with operational amplifier U1-B,

    The reverse input end of operational amplifier U1-B is connected through the outfan of resistance R12 with operational amplifier U1-B,

    The outfan of operational amplifier U1-B is connected with one end of resistance R14,

    The other end of resistance R14 is connected with the reverse input end of operational amplifier U2-A,

    The in-phase input end of operational amplifier U2-A is through resistance R17 ground connection GND,

    The outfan of operational amplifier U2-A is connected with one end of resistance R16,

    The other end of resistance R16 is connected with one end of resistance R15,

    -15V the power supply of another termination power interface J3 of resistance R15,

    The outfan of operational amplifier U2-A is connected through the reverse input end of resistance R18 with comparator U2-B,

    The in-phase input end of comparator U2-B and the maximum end of potentiometer R19,

    The minima end of potentiometer R19 is connected with the slider of potentiometer R19,

    The minima end of potentiometer R19 is leading-out terminal REF1,

    The in-phase input end of comparator U2-B is connected through the outfan of resistance R20 with comparator U2-B,

    The outfan of comparator U2-B is connected with one end of resistance R21,

    The other end of resistance R21 is connected with 1 pin of photo-coupler PC1,

    The 2 pin ground connection GND of photo-coupler PC1,

    5 pins of photo-coupler PC1 connect the+5V power supply of power interface J3,

    4 pins of photo-coupler PC1 are connected with one end of resistance R22,

    The other end of resistance R22 is connected with the grid of field effect transistor Q1,

    The grounded drain GND of field effect transistor Q1,

    The source electrode of field effect transistor Q1 connects the+24V power supply of power interface J3 through resistance R23,

    The source electrode of field effect transistor Q1 and 6 pins of the first circuit interface J1 connect;

    nullDescribed temperature-control circuit includes operational amplifier U3-A、

    Operational amplifier U4-A、

    Operational amplifier U5-A、

    Operational amplifier U6-A、

    Comparator U7-B、

    Comparator U9-B and diode D1-D8,

    The reverse input end of described operational amplifier U3-A is connected with one end of resistance R26,

    The other end of resistance R26 is connected with one end of resistance R24,

    + 5V the power supply of another termination power interface J3 of resistance R24,

    The other end of resistance R26 is through resistance R25 ground connection GND,

    The other end of resistance R26 is through electric capacity C10 ground connection GND,

    The other end of resistance R26 is connected with 1 pin of second circuit interface J2,

    The in-phase input end of operational amplifier U3-A is connected with one end of resistance R27,

    The other end of resistance R27 is connected with the positive pole of diode D1,

    The outfan of operational amplifier U3-A is connected with the negative pole of diode D5,

    The negative pole of diode D5 is connected with the positive pole of diode D1,

    The positive pole of diode D5 is connected with the positive pole of diode D6,

    The negative pole of diode D6 is connected with the outfan of operational amplifier U4-A,

    The outfan of operational amplifier U4-A is connected with the positive pole of diode D2,

    The negative pole of diode D2 is connected with the negative pole of diode D1,

    The outfan of operational amplifier U4-A is connected through the in-phase input end of resistance R31 with operational amplifier U4-A,

    The reverse input end of operational amplifier U4-A is connected with one end of resistance R30,

    The other end of resistance R30 is connected with one end of resistance R28,

    + 5V the power supply of another termination power interface J3 of resistance R28,

    The other end of resistance R30 is through resistance R29 ground connection GND,

    The other end of resistance R30 is through electric capacity C11 ground connection GND,

    The other end of resistance R30 is connected with 3 pins of second circuit interface J2,

    The positive pole of diode D5 is connected with the positive pole of diode D7,

    The positive pole of diode D7 is connected through the reverse input end of resistance R40 with comparator U7-B,

    The in-phase input end of comparator U7-B is through resistance R42 ground connection GND,

    The in-phase input end of comparator U7-B is connected with the maximum end of potentiometer R41,

    The minima end of potentiometer R41 is connected with the slider of potentiometer R41,

    The minima end of potentiometer R41 is leading-out terminal REF2,

    The outfan of comparator U7-B connects through the input of resistance R43 NAND gate U10-B,

    The input of not gate U10-B is connected with an input of NAND gate U8-B,

    The input of not gate U10-B is connected with an input of NAND gate U8-A,

    The outfan of not gate U10-B is connected with an input of NAND gate U8-C,

    The negative pole of diode D7 is connected with the outfan of operational amplifier U5-A,

    The outfan of operational amplifier U5-A is connected through the in-phase input end of resistance R35 with operational amplifier U5-A,

    The outfan of operational amplifier U5-A is connected with the positive pole of diode D3,

    The reverse input end of operational amplifier U5-A is connected with one end of resistance R34,

    The other end of resistance R34 is through resistance R33 ground connection GND,

    The other end of resistance R34 is through electric capacity C12 ground connection GND,

    The other end of resistance R34 connects the+5V power supply of power interface J3 through resistance R32,

    The negative pole of diode D3 is connected with the negative pole of diode D1,

    The positive pole of diode D5 is connected with the positive pole of diode D8,

    The negative pole of diode D8 is connected with the outfan of operational amplifier U6-A,

    The outfan of operational amplifier U6-A is connected through the in-phase input end of resistance R39 with operational amplifier U6-A,

    The reverse input end of operational amplifier U6-A is connected with one end of resistance R38,

    The other end of resistance R38 is connected with one end of resistance R36,

    + 5V the power supply of another termination power interface J3 of resistance R36,

    The other end of resistance R38 is through resistance R37 ground connection GND,

    The other end of resistance R38 is through electric capacity C5 ground connection GND,

    The other end of resistance R38 is connected with 7 pins of second circuit interface J2,

    2 pins of second circuit interface J2、

    4 pins、

    6 pins and 8 pin ground connection GND,

    The outfan of operational amplifier U6-A is connected with the positive pole of diode D4,

    The negative pole of diode D4 is connected with one end of resistance R45,

    The other end of resistance R45 is connected with the reverse input end of comparator U9-B,

    The in-phase input end of comparator U9-B is through resistance R47 ground connection GND,

    The in-phase input end of comparator U9-B is connected with the maximum end of potentiometer R46,

    The minima end of potentiometer R46 is connected with the slider of potentiometer R46,

    The minima end of potentiometer R46 is leading-out terminal REF3,

    The outfan of comparator U9-B connects through the input of resistance R48 NAND gate U10-A,

    The input of not gate U10-A is connected with another input of NAND gate U8-B,

    The outfan of not gate U10-A is connected with another input of NAND gate U8-C,

    The outfan of not gate U10-A is connected with another input of NAND gate U8-A,

    The outfan of NAND gate U8-A is connected with one end of buzzer BL,

    + 5V the power supply of another termination power interface J3 of buzzer BL,

    The outfan of NAND gate U8-B is connected through 2 pins of resistance R50 and photo-coupler PC2,

    1 pin of photo-coupler PC2 connects the+15V power supply of power interface J3,

    5 pins of photo-coupler PC2 connect the+5V power supply of power interface J3,

    4 pins of photo-coupler PC2 are connected with one end of resistance R44,

    The other end of resistance R44 and 5 pins of the first circuit interface J1 connect,

    The outfan of NAND gate U8-C is connected through 2 pins of resistance R51 and photo-coupler PC3,

    1 pin of photo-coupler PC3 connects the+15V power supply of power interface J3,

    5 pins of photo-coupler PC3 connect the+5V power supply of power interface J3,

    4 pins of photo-coupler PC3 are connected with one end of resistance R49,

    The other end of resistance R49 and 4 pins of the first circuit interface J1 connect.

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