CN115639760A - Light hydrocarbon gas control system - Google Patents

Light hydrocarbon gas control system Download PDF

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Publication number
CN115639760A
CN115639760A CN202110180656.6A CN202110180656A CN115639760A CN 115639760 A CN115639760 A CN 115639760A CN 202110180656 A CN202110180656 A CN 202110180656A CN 115639760 A CN115639760 A CN 115639760A
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pin
resistor
gnd
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gas
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鞠振河
李鸿心
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Shenyang Qingneng Environmental Protection Technology Co ltd
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Shenyang Qingneng Environmental Protection Technology Co ltd
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    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

Light hydrocarbon gas control system belongs to control system technical field, especially relates to a light hydrocarbon gas control system. The invention provides a light hydrocarbon gas control system with good use effect. The invention comprises a microprocessor part, an intermediate relay circuit, a GPRS network, a power input part, a power anti-jamming circuit, an analog quantity acquisition part and a drive circuit, and is characterized in that a control signal output port of the microprocessor part is connected with a control signal input port of the intermediate relay circuit through the drive circuit, a detection signal input port of the microprocessor part is connected with a detection signal output port of the analog quantity acquisition part, and an information transmission port of the microprocessor part is connected with an information transmission port of the GPRS network.

Description

Light hydrocarbon gas control system
Technical Field
The invention belongs to the technical field of control systems, and particularly relates to a light hydrocarbon gas control system.
Background
Light hydrocarbons are byproducts of oil extraction and processing, and belong to hydrocarbon substances. According to the components of petroleum, the first-stage product of the petroleum in the distillation process is natural gas with carbon atoms of C1 and C2, the second-stage product is liquefied petroleum gas with carbon atoms of C3 and C4, the fourth-stage product is gasoline with carbon atoms of C7-C12, light hydrocarbon is a third-stage hydrocarbon product between the liquefied petroleum gas and the gasoline, the carbon atoms of the light hydrocarbon are C5 and C6, and the light hydrocarbon is liquid at normal temperature. In the former oil exploitation process, only a few light hydrocarbons are used as fuel and chemical raw material, and the rest is burnt by a spot 'torch'.
Light hydrocarbon as fuel can replace fire coal and fuel oil, has strategic significance on environmental protection and energy sustainable development in China, and has been rapidly developed in recent years.
Disclosure of Invention
Aiming at the problems, the invention provides a light hydrocarbon gas control system with good use effect.
The invention adopts the following technical scheme that the device comprises a microprocessor part, an intermediate relay circuit, a GPRS network, a power input part, a power anti-interference circuit, an analog quantity acquisition part and a drive circuit, and is characterized in that a control signal output port of the microprocessor part is connected with a control signal input port of the intermediate relay circuit through the drive circuit, a detection signal input port of the microprocessor part is connected with a detection signal output port of the analog quantity acquisition part, an information transmission port of the microprocessor part is connected with an information transmission port of the GPRS network, an electric energy input end of the power input part is connected with the power anti-interference circuit, and an electric energy output end of the power input part is respectively connected with a power port of the microprocessor part, a power port of the intermediate relay circuit, a power port of the GPRS network, a power port of the analog quantity acquisition part and a power port of the drive circuit.
Preferably, the microprocessor part of the invention comprises STM32F407VGT6 model U4, 23-26, 29-32, 67-72, 76, 77, 35-37, 89-93, 95, 96, 47, 48, 51-54 pins of U4 are respectively connected with ADC0, ADC1, ADC2, ADC3, ADC4, ADC5, PA8, PA10, PA9, PA6, PA7, PA11, PA12, TMS, TCK, PA15, BOOT1, PB5, PB6, PB7, PB8, PB9, PB10, PB11, PB12, PB13, PB14, PB15, PB0, PB1, PB4, PB3, 15-18, 33, 34, 63-66, 78-80, 7-9, 81-88, 55-62 of U4 are respectively connected with PC10, PC11, PC12, PC0, PC1, PC2, PC3, PC4, PC5, PC6, PC7, PC8, PC9, PC13, OSC32_ IN, OSC32_ OUT, PD0, PD1, PD2, PD3, PD4, PD5, PD6, PD7, PD8, PD9, PD10, PD11, PD12, PD13, PD14, PD 15;
97, 98, 1-5 and 38-46 of U4 are correspondingly connected with PE0, PE1, PE2, PE3, PE4, PE5, PE6, PE7, PE8, PE9, PE10, PE11, PE12, PE13, PE14 and PE15 respectively;
a 94 pin of U4 is connected with BOOT0, a 14 pin of U4 is connected with NEST, a 49 pin of U4 is respectively connected with GND and one end of a capacitor C16 through a capacitor C14, the other end of C16 is connected with a 73 pin of U4, a12 pin of U4 is respectively connected with one end of a crystal oscillator Y1 and one end of a capacitor C13, the other end of Y1 is respectively connected with a 13 pin of U4 and one end of a capacitor C12, and the other end of C12 is respectively connected with GND and the other end of C13;
the pin 6 of U4 is respectively connected with the cathode of a diode D3 and the cathode of a diode D5, the anode of D3 is connected with +3.3V, the anode of D5 is connected with P1, the pins 11, 19, 28, 50, 75, 100, 22 and 21 of U4 are connected with +3.3V, and the pins 10, 27, 74, 99 and 20 of U4 are connected with GND;
the OSC32_ IN is respectively connected with one end of a capacitor C11 and one end of a crystal oscillator Y2, the other end of the Y2 is respectively connected with the OSC32_ OUT and one end of a capacitor C15, and the other end of the C15 is respectively connected with the other end of the C11 and GND;
pins 1-4 of the connector P2 are correspondingly connected with the +3.3V, TMS, TCK and GND respectively;
pins 1-3 of the connector P3 are correspondingly connected with PA9, PA10 and GND respectively;
NEST is respectively connected with one end of a resistor R25 and one end of a capacitor C17, the other end of C17 is connected with GND, and the other end of R25 is connected with +3.3V;
BOOTO is respectively connected with GND and one end of a resistor R24 through a resistor R23, and the other end of R24 is connected with BOOT1;
+3.3V is connected with one end of each of the capacitors C1-C10, and the other end of each of the capacitors C1-C10 is connected with GND.
As another preferred scheme, the GPRS network of the present invention includes a SIM800C chip U16, pins 1 and 2 of U16 are respectively connected to SIM800_ TXD and SIM800_ RXD, pin 6 of U16 is connected to PB4 through a resistor R37, pins 8, 13, 19 and 21 of U16 are connected to GND, pins 15 to 18 of U16 are respectively connected to SIM _ DATA, SIM _ CLK, SIM _ RST and SIM _ VDD, pins 24 to 27 of U16 are respectively connected to USB _ BUS, USB _ DP, USB _ DN and GND, pin 28 of U16 is connected to GND through a capacitor C32, pins 30, 31 and 33 of U16 are connected to GND, pin 32 of U16 is connected to pin 1 of a connector J1, and pin 2 of J1 is connected to GND;
pins 34 and 35 of U16 are connected with +4.2V, pins 36 and 37 of U16 are connected with GND, pin 39 of U16 is connected with KEY, pin 41 of U16 is connected with the anode of the light-emitting diode D18 through a resistor R34, the cathode of D18 is connected with GND, and pin 42 of U16 is connected with PB5 through a resistor R36;
+5v \ u sim800 connected to the anode of diode D15, the cathode of D15 connected to the anode of diode D16, and the cathode of D16 connected to +4.2V;
+4.2V is respectively connected with a cathode of a voltage regulator tube ZD1, an anode of capacitors C18-C21, one end of a capacitor C22 and one end of a capacitor C23, and an anode of ZD1, a cathode of capacitors C18-C21, the other end of C22 and the other end of C23 are connected with GND;
the PE3 is respectively connected with one end of a resistor R31 and the base electrode of an NPN triode Q1 through a resistor R30, the collector electrode of the Q1 is connected with KEY, and the emitter electrode of the Q1 is respectively connected with the other end of the resistor R31 and GND;
the SIM800_ TXD is respectively connected with the pin 1 of the PE0 and the pin 1 of the connector P4 through a resistor R28, the pin 2 of the pin P4 is respectively connected with one end of a resistor R29 and the PE1, the other end of the resistor R29 is respectively connected with one end of the SIM800_ RXD and one end of a resistor R32, and the other end of the resistor R32 is respectively connected with the pin 3 of the GND and the pin P4.
As another preferred scheme, the GPRS network of the present invention includes an NPN triode Q2, wherein a collector of the NPN triode Q2 is connected to an anode of a diode D17 and a pin 1 of an HFD4/5-S chip K8, respectively, and a cathode of the diode D17 is connected to a pin 8 of +5V, K, respectively;
the base electrode of Q2 is respectively connected with one end of a resistor R33 and one end of a resistor R35, the other end of R33 is connected with PE4, and the other end of R35 is respectively connected with GND and the emitter of Q2;
the 2 and 3 feet of K8 are correspondingly connected with +5V _SIM800and +5V respectively;
a pin 1 of the mobile phone card holder U17 is connected with GND, a pin 2 of the U17 is respectively connected with a pin 1 of an SIM _ VDD, one end of a capacitor C33 and a pin 1 of an SMF05C chip U18, the other end of the C33 is respectively connected with GND and a pin 2 of the U18, a pin 4 of the U18 is respectively connected with a pin 4 of the U17 and one end of a resistor R40, the other end of the R40 is respectively connected with one end of a capacitor C34 and SIM _ RST, the other end of the C34 is respectively connected with one end of a capacitor C35, one end of a capacitor C36 and GND, the other end of the C35 is respectively connected with one end of a resistor R39 and SIM _ DATA, the other end of the C36 is respectively connected with one end of a resistor R38 and SIM _ CLK, the other end of the R38 is respectively connected with a pin 6 of the U17 and a pin 6 of the U18, and the other end of the R39 is respectively connected with a pin 5 of the U17 and a pin 5 of the U18.
As another preferred scheme, the power input part of the invention includes P10, where P10 is connected to one end of a fuse F1 and 1 pin of a DC005 connector CH1, pins 2 and 3 of CH1 are connected to P12, GND2 and one end of an inductor L5, respectively, the other end of F1 is connected to an anode of a diode D19, a cathode of D19 is connected to 24VDD and one end of an inductor L2, respectively, the other end of L2 is connected to one end of a capacitor C50 and 4 pins of a common mode inductor T1, the other end of C50 is connected to the other end of L5 and 2 pins of T1, pin 3 of T1 is connected to an anode of a capacitor C41, one end of a capacitor C47 and Vin + of a WRB2405YMD-6WR3 chip U19, vin-of U19 is connected to a cathode of C41 and the other end of C47, vout + of U19 is connected to an anode of a capacitor C42, one end of a capacitor C48 and one end of an inductor L3, and the other end of L3 is connected to a positive terminal of a capacitor AMS 42, AMS +5V, a capacitor C46, a positive pole of a capacitor C49, 20.4 + of a capacitor C3 + 20, 20 + of AMS 3, 20, 20.4 + of AMS 3, respectively;
the Vout-of the U19 is respectively connected with the cathode of the capacitor C42, the other end of the capacitor C48 and one end of the inductor L6, and the other end of the L6 is respectively connected with the cathode of the C43, the cathode of the C46, the other end of the C49, the GND of the U20, the cathode of the C44, the other end of the C45 and the GND.
As another preferable scheme, the driving circuit of the invention comprises U14 and U15 of the ULN2803 chip, pins 1 to 18 of U15 are respectively connected with PC8 to PC13, PD0, PD1, GND, 24VDD, and OUT10 to OUT17, and pins 1 to 18 of U14 are respectively connected with PC0 to PC7, GND, 24VDD, and OUT0 to OUT 7.
As another preferred scheme, the anti-interference circuit of the power supply comprises an inductor L1, one end of the inductor L1 is respectively connected with a positive electrode of 24VDD, a positive electrode of capacitors C24-C27 and one end of capacitors C28-C29, the other end of the inductor L1 is respectively connected with a positive electrode of a capacitor C30, one end of a capacitor C31 and +24VADC, and the negative electrodes of the capacitors C24-C27, the other ends of the capacitors C28-C29, the negative electrode of the capacitor C30 and the other end of the capacitor C31 are connected with GND.
As another preferred scheme, the analog quantity acquisition part comprises a resistor R41, one end of the R41 is connected with ADC0_ IN, the other end of the R41 is respectively connected with a cathode of a voltage regulator tube Z1, one end of the resistor R45 and one end of a resistor R43, an anode of the Z1 is respectively connected with the ground, the other end of the R45 and one end of a capacitor C37, and the other end of the capacitor C37 is respectively connected with the other ends of ADC0 and R43;
one end of a resistor R42 is connected with the ADC1_ IN, the other end of the resistor R42 is respectively connected with a cathode of a voltage regulator tube Z2, one end of a resistor R46 and one end of a resistor R44, an anode of the Z2 is respectively connected with the ground, the other end of the R46 and one end of a capacitor C38, and the other end of the C38 is respectively connected with the other ends of the ADC1 and the R44;
one end of a resistor R47 is connected with the ADC2_ IN, the other end of the resistor R47 is respectively connected with a cathode of a voltage regulator tube Z3, one end of a resistor R51 and one end of a resistor R49, an anode of the Z3 is respectively connected with the ground, the other end of the R51 and one end of a capacitor C39, and the other end of the capacitor C39 is respectively connected with the other ends of the ADC2 and the R49;
one end of a resistor R48 is connected with the ADC3_ IN, the other end of the resistor R48 is respectively connected with a voltage regulator tube Z4 cathode, one end of a resistor R52 and one end of a resistor R50, a Z4 anode is respectively connected with the ground, the other end of the R52 and one end of a capacitor C40, and the other end of the capacitor C40 is respectively connected with the ADC3 and the other end of the R50;
one end of a resistor R53 is connected with the ADC4_ IN, the other end of the resistor R53 is respectively connected with a cathode of a voltage regulator tube Z5, one end of a resistor R57 and one end of a resistor R55, an anode of the Z5 is respectively connected with the ground, the other end of the R57 and one end of a capacitor C51, and the other end of the capacitor C51 is respectively connected with the other ends of the ADC4 and the R55;
one end of a resistor R54 is connected with the ADC5_ IN, the other end of the resistor R54 is respectively connected with a cathode of a voltage regulator tube Z6, one end of a resistor R58 and one end of a resistor R56, an anode of the Z6 is respectively connected with the ground, the other end of the R58 and one end of a capacitor C52, and the other end of the C52 is respectively connected with the other ends of the ADC5 and the R56;
pins 1-3 of the connector P5 are correspondingly connected with ADC0_ IN, +24VADC and GND respectively;
pins 1-3 of the connector P6 are correspondingly connected with ADC1_ IN, +24VADC and GND respectively;
pins 1-3 of the connector P7 are correspondingly connected with ADC2_ IN, +24VADC and GND respectively;
pins 1-3 of the connector P8 are correspondingly connected with ADC3_ IN, +24VADC and GND respectively;
pins 1-3 of the connector P9 are correspondingly connected with ADC4_ IN, +24VADC and GND respectively;
pins 1-3 of the connector P11 are correspondingly connected with ADC5_ IN, +24VADC and GND respectively.
As another preferred scheme, the intermediate relay circuit comprises G5NB-1A-E chips U1 to U13, wherein pin 1 of U1 is connected to 24VDD and one end of a resistor R2 through a resistor R1, respectively, the other end of R2 is connected to the anode of a light emitting diode D1, the cathode of D1 is connected to pins 2 of OUT7 and U1, pin 3 of U1 is connected to COM1, and pin 4 of U1 is connected to pin Y07;
pin 1 of U2 is connected with one end of 24VDD and resistor R4 through resistor R3, the other end of R4 is connected with anode of LED D2, cathode of D2 is connected with pins 2 of OUT6 and U2, pin 3 of U2 is connected with COM1, pin 4 of U2 is connected with Y06;
pin 1 of U3 is connected with one end of 24VDD and resistor R6 through resistor R5, the other end of R6 is connected with the anode of light emitting diode D4, the cathode of D4 is connected with pins 2 of OUT5 and U3, pin 3 of U3 is connected with COM1, and pin 4 of U3 is connected with Y05;
pin 1 of U5 is connected with one end of 24VDD and resistor R8 through resistor R7, the other end of R8 is connected with anode of LED D6, cathode of D6 is connected with pins 2 of OUT4 and U5, pin 3 of U5 is connected with COM1, pin 4 of U5 is connected with Y04;
pin 1 of U6 is connected with one end of 24VDD and resistor R10 through resistor R9, the other end of R10 is connected with anode of light emitting diode D7, cathode of D7 is connected with pins 2 of OUT3 and U6, pin 3 of U6 is connected with COM1, and pin 4 of U6 is connected with Y03;
pin 1 of U7 is connected with one end of 24VDD and resistor R12 through resistor R11, the other end of R12 is connected with anode of LED D8, cathode of D8 is connected with pins 2 of OUT2 and U7, pin 3 of U7 is connected with COM1, pin 4 of U7 is connected with Y02;
pin 1 of U8 is connected with one end of 24VDD and resistor R14 through resistor R13, the other end of R14 is connected with anode of LED D9, cathode of D9 is connected with pins 2 of OUT1 and U8, pin 3 of U8 is connected with COM1, pin 4 of U8 is connected with Y01;
pin 1 of U9 is connected with one end of 24VDD and resistor R16 through resistor R15, the other end of R16 is connected with the anode of light emitting diode D10, the cathode of D10 is connected with pins 2 of OUT0 and U9, pin 3 of U9 is connected with COM1, and pin 4 of U9 is connected with Y00;
pin 1 of U10 is connected with one end of 24VDD and resistor R18 through resistor R17, the other end of R18 is connected with anode of LED D11, cathode of D11 is connected with pins 2 of OUT17 and U10, pin 3 of U10 is connected with COM1, pin 4 of U10 is connected with Y17;
pin 1 of U11 is connected with one end of 24VDD and resistor R20 through resistor R19, the other end of R20 is connected with anode of light emitting diode D12, cathode of D12 is connected with pins 2 of OUT16 and U11, pin 3 of U11 is connected with COM1, and pin 4 of U11 is connected with Y16;
pin 1 of U12 is connected with one end of 24VDD and resistor R22 through resistor R21, the other end of R22 is connected with the anode of light emitting diode D13, the cathode of D13 is connected with pins 2 of OUT15 and U12, pin 3 of U12 is connected with COM1, and pin 4 of U12 is connected with Y15;
pin 1 of U13 is connected with one end of 24VDD and resistor R27 through resistor R26, the other end of R27 is connected with anode of LED D14, cathode of D14 is connected with pins 2 of OUT14 and U13, pin 3 of U13 is connected with COM1, and pin 4 of U13 is connected with Y14;
a _ LINE is respectively connected with 1 pin of CJX2 type contactors KM 1-KM 5 and L1 ends of JQX-13F type relays K1-K7, 2 pins of KM 1-KM 5 are respectively correspondingly connected with Y07-Y03, and L2 ends of K1-K7 are respectively correspondingly connected with Y02-Y00 and Y17-Y14.
As another preferred scheme, the 3, 4 and 5 pins of KM1 to KM5 are respectively correspondingly connected to a _ LINE, B _ LINE and C _ LINE, the 9, 10 and 11 pins of KM1 are respectively correspondingly connected to C _1, B _1 and a _1, the 9, 10 and 11 pins of KM2 are respectively correspondingly connected to C _10, B _10 and a _10, the 9, 10 and 11 pins of KM3 are respectively correspondingly connected to C _11, B _11 and a _11, the 9, 10 and 11 pins of KM4 are respectively correspondingly connected to C _12, B _12 and a _12, and the 9, 10 and 11 pins of KM5 are respectively correspondingly connected to C _13, B _13 and a _ 13;
COMA of K1-K2 is connected with A _ LINE, COMA of K3-K4 is connected with B _ LINE, COMA of K5-K7 is connected with C _ LINE, COMB of K1-K7 is connected with COM1;
k1's SCA end, SCB end respectively with A _2, N _2 corresponds continuously, K2's SCA end, SCB end respectively with A _4, N _4 corresponds continuously, K3's SCA end, SCB end respectively with B _5, N _5 corresponds continuously, K4's SCA end, SCB end respectively with B _6, N _6 corresponds continuously, K5's SCA end, SCB end respectively with C _2, N _2 corresponds continuously, K6's SCA end, SCB end respectively with C _3, N _3 corresponds continuously, K7's SCA end, SCB end respectively with F _7, N _7 corresponds continuously.
The light hydrocarbon gas control system is applied to light hydrocarbon gas preparation equipment, the light hydrocarbon gas preparation equipment comprises a crude oil storage part and a gas preparation part, the crude oil storage part comprises an oil tank A and an oil tank B, the gas preparation part comprises a light hydrocarbon crude oil gas preparation tank, the oil tank A and the oil tank B are provided with an oil outlet, a first release port, a nitrogen gas port, a liquid level meter, a second release port, an oil discharge port (oil of a tank car enters the oil tank through the oil discharge port) and an access port, and the oil outlet, the first release port, the nitrogen gas port, the second release port and the oil discharge port are all connected with valves;
the oil outlets of the oil tank A and the oil tank B are connected with one end of an oil pipeline, the other end of the oil pipeline is respectively connected with one end of an electric stop valve DF and one end of an oil delivery gate valve through a flowmeter, the other end of the DF is respectively connected with an oil inlet of a light hydrocarbon crude oil gas making tank and the other end of the oil delivery gate valve, an air inlet of the light hydrocarbon crude oil gas making tank is connected with an air outlet of an air buffer tank through an air inlet valve, and a control port of the air inlet valve is connected with an intermediate relay circuit; an inlet of the air buffer tank is respectively connected with an outlet of the first Roots blower and an outlet of the second Roots blower; the control ports of the first Roots blower and the second Roots blower are connected with an intermediate relay circuit (KM 4);
the gas outlet of the gas making tank for light hydrocarbon crude oil is connected with the gas inlet of the gas outlet tank through a gas outlet valve, and the gas outlet of the gas outlet tank is connected with an output ball valve through a gas supply valve, an electromagnetic valve and a pressure meter in sequence; the control port of the electromagnetic valve is connected with the intermediate relay circuit; the pressure detection port of the air outlet tank is connected with the input port (ADC 3) of the analog quantity acquisition part; the control port of the air outlet valve is connected with the intermediate relay circuit; the control port of the air supply valve is connected with the intermediate relay circuit;
the nitrogen ports of the oil tank A and the oil tank B are connected with one end of a nitrogen pipeline, the other end of the nitrogen pipeline is connected with the outlet of an air compressor through a pressure gauge and a pressurizing valve in sequence, and the inlet of the air compressor is connected with the outlet of the nitrogen compressor through a dryer and a gate valve in sequence; the control port of the nitrogen machine is connected with an intermediate relay circuit (KM 2); the control port of the dryer is connected with an intermediate relay circuit (KM 3); the control port of the air compressor is connected with an intermediate relay circuit (KM 5); the control port of the pressure valve is connected with the intermediate relay circuit;
a pressure relief port of the light hydrocarbon crude oil gas preparation tank is connected with a pressure relief valve, and a control port of the pressure relief valve is connected with the intermediate relay circuit;
an oil drain port of the gas outlet tank is connected with an oil return port of the light hydrocarbon crude oil gas preparation tank through an oil drain valve, and a control port of the oil drain valve is connected with the intermediate relay circuit;
a control port of an electric heating part of a circulating pump of the light hydrocarbon crude oil gas preparation tank is connected with an intermediate relay circuit (KM 1);
pressure and temperature sensors of the light hydrocarbon crude oil gas preparation tank are connected with the analog quantity acquisition part (P9);
a liquid level meter of the light hydrocarbon crude oil gas making tank is connected with the analog quantity acquisition part (P8);
a differential pressure transmitter of the light hydrocarbon crude oil gas making tank is connected with the analog quantity acquisition part (P7);
oil discharge ports of the oil tank A and the oil tank B are connected with an oil discharge pipeline.
As another preferred scheme, valves at the oil outlet, the first release port, the nitrogen port, the second release port, the oil discharge port and the manhole are ball valves.
As another preferred scheme, a connecting pipe at the oil outlet is a DN40 connecting pipe, connecting pipes at the first diffusing port and the second diffusing port are DN50 connecting pipes, a connecting pipe at the nitrogen port is a DN20 connecting pipe, a connecting pipe at the oil discharging port is a DN80 connecting pipe, and a connecting pipe at the liquid level meter is a DN150 connecting pipe.
The oil tanks A and B of the present invention have a capacity of 50m 3 。
In addition, the air inlet valve, the pressure relief valve, the air outlet valve, the oil drain valve, the air supply valve and the pressurization valve are all pneumatic quick-cut ball valves, air source interfaces of the air inlet valve, the pressure relief valve, the air outlet valve, the oil drain valve, the air supply valve and the pressurization valve are respectively connected with an outlet of the air distribution cylinder through hoses, and an inlet of the air distribution cylinder is connected with an outlet of the air compressor through the oil-water separator and the gate valve in sequence.
The invention has the beneficial effects.
The invention is convenient for the reliable and accurate control of the light hydrocarbon gas preparation process through the mutual cooperation of the microprocessor part, the intermediate relay circuit, the GPRS network, the power input part, the power anti-interference circuit, the analog quantity acquisition part and the driving circuit.
Drawings
The invention is further described with reference to the following figures and detailed description. The scope of the invention is not limited to the following expressions.
FIG. 1 is a schematic diagram of a portion of the microprocessor circuit of the present invention.
Fig. 2 is a schematic diagram of a GPRS network circuit of the present invention.
Fig. 3 is a schematic diagram of the power input portion of the circuit of the present invention.
Fig. 4 is a schematic diagram of the drive circuit and power supply immunity circuit of the present invention.
FIG. 5 is a schematic diagram of the analog acquisition circuit of the present invention.
Fig. 6 and 7 are schematic diagrams of the intermediate relay circuit of the present invention.
FIG. 8 is a schematic view of the light hydrocarbon gas production apparatus of the present invention.
Fig. 9 is a partial enlarged view of fig. 8.
FIG. 10 is a schematic view of the angle adjustment method of the present invention.
FIG. 11 is a diagram illustrating the angle θ in the adjustment period according to the angle adjustment method of the present invention t Time-dependent function curve.
FIG. 12 is a schematic view of the rotation angle of the photovoltaic module for two consecutive adjustment cycles in accordance with the present invention.
Fig. 13 is a flow chart of the present invention.
Detailed Description
As shown in the figure, the invention comprises a microprocessor part, an intermediate relay circuit, a GPRS network, a power input part, a power anti-jamming circuit, an analog quantity acquisition part and a drive circuit, wherein a control signal output port of the microprocessor part is connected with a control signal input port of the intermediate relay circuit through the drive circuit, a detection signal input port of the microprocessor part is connected with a detection signal output port of the analog quantity acquisition part, an information transmission port of the microprocessor part is connected with an information transmission port of the GPRS network, an electric energy input end of the power input part is connected with the power anti-jamming circuit, and an electric energy output end of the power input part is respectively connected with a power port of the microprocessor part, a power port of the intermediate relay circuit, a power port of the GPRS network, a power port of the analog quantity acquisition part and a power port of the drive circuit.
The microprocessor part respectively controls a Roots blower, a solenoid valve, an air outlet valve, an air supply valve, a nitrogen machine, a dryer, an air compressor, a pressurizing valve, a pressure release valve, an oil drain valve and an electric heating part of a circulating pump through an intermediate relay circuit;
the microprocessor part acquires the pressure of the gas tank, the pressure and the temperature of the light hydrocarbon crude oil gas tank and the liquid level of the light hydrocarbon crude oil gas tank through the analog quantity acquisition part;
the microprocessor part acquires the temperature in the gas making tank, and when the temperature is lower than a lower limit set value; starting an electric heating part of the circulating pump to heat the gas making tank; when the temperature rises to the upper limit set value, the electric heating part of the circulating pump is closed, and heating is stopped;
the liquid level of the light hydrocarbon fuel in the oil tank is stabilized at a set value by controlling the opening and closing of the pressurizing valve;
the opening and closing of the air inlet valve is controlled by the pressure of the air tank, the air inlet valve is opened when the pressure of the air tank is lower than a lower limit set value, and the air inlet valve is closed when the pressure of the air tank exceeds an upper limit set value;
the pressure relief valve prevents the pressure of the gas making tank from being too high, opens to relieve the pressure when the pressure in the gas making tank exceeds a set value, and closes when the pressure in the gas making tank is lower than the set value;
the gas outlet valve controls the mixed air light hydrocarbon gas in the gas making tank to enter the gas outlet tank, and when the gas needs to be output, the gas outlet valve and the gas supply valve are opened simultaneously;
the oil drain valve controls the accumulated oil in the gas tank to flow back to the gas preparation tank.
The microprocessor part comprises STM32F407VGT6 models U4, U4 pins 23-26, 29-32, 67-72, 76, 77, 35-37, 89-93, 95, 96, 47, 48 and 51-54 which are respectively connected with ADC0, ADC1, ADC2, ADC3, ADC4, ADC5, PA8, PA10, PA9, PA6, PA7, PA11, PA12, TMS, TCK, PA15, BOOT1, PB5, PB6, PB7, PB8, PB9, PB10, PB11, PB12, PB13, PB14, PB15, PB0, PB1, PB4 and PB3 correspondingly, 15-18, 33, 34, 63-66, 78-80, 7-9, 81-88, 55-62 of U4 are respectively connected with PC10, PC11, PC12, PC0, PC1, PC2, PC3, PC4, PC5, PC6, PC7, PC8, PC9, PC13, OSC32_ IN, OSC32_ OUT, PD0, PD1, PD2, PD3, PD4, PD5, PD6, PD7, PD8, PD9, PD10, PD11, PD12, PD13, PD14, PD 15;
97, 98, 1-5 and 38-46 of U4 are correspondingly connected with PE0, PE1, PE2, PE3, PE4, PE5, PE6, PE7, PE8, PE9, PE10, PE11, PE12, PE13, PE14 and PE15 respectively;
a 94 pin of U4 is connected with BOOT0, a 14 pin of U4 is connected with NEST, a 49 pin of U4 is respectively connected with GND and one end of a capacitor C16 through a capacitor C14, the other end of C16 is connected with a 73 pin of U4, a12 pin of U4 is respectively connected with one end of a crystal oscillator Y1 and one end of a capacitor C13, the other end of Y1 is respectively connected with a 13 pin of U4 and one end of a capacitor C12, and the other end of C12 is respectively connected with GND and the other end of C13;
the pin 6 of U4 is respectively connected with the cathode of a diode D3 and the cathode of a diode D5, the anode of D3 is connected with +3.3V, the anode of D5 is connected with P1, the pins 11, 19, 28, 50, 75, 100, 22 and 21 of U4 are connected with +3.3V, and the pins 10, 27, 74, 99 and 20 of U4 are connected with GND;
the OSC32_ IN is respectively connected with one end of a capacitor C11 and one end of a crystal oscillator Y2, the other end of the Y2 is respectively connected with the OSC32_ OUT and one end of a capacitor C15, and the other end of the C15 is respectively connected with the other end of the C11 and GND;
pins 1-4 of the connector P2 are correspondingly connected with the +3.3V, TMS, TCK and GND respectively;
pins 1-3 of the connector P3 are correspondingly connected with PA9, PA10 and GND respectively;
NEST is respectively connected with one end of a resistor R25 and one end of a capacitor C17, the other end of C17 is connected with GND, and the other end of R25 is connected with +3.3V;
BOOT0 is connected with GND and one end of a resistor R24 through a resistor R23, and the other end of R24 is connected with BOOT1;
+3.3V is connected with one end of each of the capacitors C1-C10, and the other end of each of the capacitors C1-C10 is connected with GND.
The GPRS network comprises an SIM800C chip U16, pins 1 and 2 of the U16 are correspondingly connected with an SIM800_ TXD and an SIM800_ RXD respectively, pin 6 of the U16 is connected with PB4 through a resistor R37, pins 8, 13, 19 and 21 of the U16 are connected with GND, pins 15 to 18 of the U16 are correspondingly connected with SIM _ DATA, SIM _ CLK, SIM _ RST and SIM _ VDD respectively, pins 24 to 27 of the U16 are correspondingly connected with USB _ BUS, USB _ DP, USB _ DN and GND respectively, pin 28 of the U16 is connected with GND through a capacitor C32, pins 30, 31 and 33 of the U16 are connected with GND, pin 32 of the U16 is connected with pin 1 of a connector J1, and pin 2 of the J1 is connected with GND;
pins 34 and 35 of U16 are connected with +4.2V, pins 36 and 37 of U16 are connected with GND, pin 39 of U16 is connected with KEY, pin 41 of U16 is connected with the anode of the light-emitting diode D18 through a resistor R34, the cathode of D18 is connected with GND, and pin 42 of U16 is connected with PB5 through a resistor R36; d18, the network condition is displayed by flashing fast and slow, and the flashing is carried out once every 1 second, so that the unconnected network is displayed. Flashing once in 0.5 second, the connecting network is successfully sending the transmission data. A low light indicates that the network is not open. The GPRS network can be used to transmit system operating conditions (e.g., relay action conditions, analog acquisition conditions).
+5v \ u sim800 is connected with the anode of the diode D15, the cathode of D15 is connected with the anode of the diode D16, and the cathode of D16 is connected with +4.2V;
+4.2V is respectively connected with a cathode of a voltage regulator tube ZD1, an anode of capacitors C18-C21, one end of a capacitor C22 and one end of a capacitor C23, and an anode of ZD1, a cathode of capacitors C18-C21, the other end of C22 and the other end of C23 are connected with GND;
the PE3 is respectively connected with one end of a resistor R31 and the base electrode of an NPN triode Q1 through a resistor R30, the collector electrode of the Q1 is connected with KEY, and the emitter electrode of the Q1 is respectively connected with the other end of the resistor R31 and GND;
the SIM800_ TXD is respectively connected with the pin 1 of the PE0 and the pin 1 of the connector P4 through a resistor R28, the pin 2 of the pin P4 is respectively connected with one end of a resistor R29 and the PE1, the other end of the resistor R29 is respectively connected with one end of the SIM800_ RXD and one end of a resistor R32, and the other end of the resistor R32 is respectively connected with the pin 3 of the GND and the pin P4.
The GPRS network comprises an NPN triode Q2, a collector of the Q2 is respectively connected with an anode of a diode D17 and a pin 1 of an HFD4/5-S chip K8, and a cathode of the D17 is respectively connected with a pin 8 of +5V, K;
the base electrode of Q2 is respectively connected with one end of a resistor R33 and one end of a resistor R35, the other end of R33 is connected with PE4, and the other end of R35 is respectively connected with GND and the emitting electrode of Q2;
the 2 and 3 feet of K8 are correspondingly connected with +5V _SIM800and +5V respectively;
pin 1 of the mobile phone card holder U17 is connected with GND, pin 2 of the U17 is respectively connected with SIM _ VDD, one end of a capacitor C33 and pin 1 of an SMF05C chip U18, the other end of the C33 is respectively connected with GND and pin 2 of the U18, pin 4 of the U18 is respectively connected with pin 4 of the U17 and one end of a resistor R40, the other end of the R40 is respectively connected with one end of a capacitor C34 and SIM _ RST, the other end of the C34 is respectively connected with one end of a capacitor C35, one end of a capacitor C36 and GND, the other end of the C35 is respectively connected with one end of a resistor R39 and SIM _ DATA, the other end of the C36 is respectively connected with one end of a resistor R38 and SIM _ CLK, the other end of the R38 is respectively connected with pin 6 of the U17 and pin 6 of the U18, and the other end of the R39 is respectively connected with pin 5 of the U17 and pin 5 of the U18.
The power input part comprises a P10, the P10 is respectively connected with one end of a fuse F1 and a pin 1 of a DC005 connector CH1, pins 2 and 3 of the CH1 are respectively connected with a P12, a GND2 and one end of an inductor L5, the other end of the F1 is connected with an anode of a diode D19, a cathode of the D19 is respectively connected with a 24VDD and one end of the inductor L2, the other end of the L2 is respectively connected with one end of a capacitor C50 and a pin 4 of a common mode inductor T1, the other end of the C50 is respectively connected with the other end of the L5 and a pin 2 of the T1, pin 3 of T1 is connected with anode of capacitor C41, one end of capacitor C47, vin + of WRB2405YMD-6WR3 chip U19 separately, vin-of U19 is connected with pin 1 of T1, cathode of C41, another end of C47 separately, vout + of U19 is connected with anode of capacitor C42, one end of capacitor C48, one end of inductance L3 separately, another end of L3 is connected with anode of capacitor C43, +5V, anode of capacitor C46, one end of capacitor C49, and Vin of AMS1117-3.3 chip U20 separately, vout of U20 is connected with anode of capacitor C44, one end of capacitor C45, +3.3V separately through inductance L4;
the Vout-of the U19 is respectively connected with the cathode of the capacitor C42, the other end of the capacitor C48 and one end of the inductor L6, and the other end of the L6 is respectively connected with the cathode of the C43, the cathode of the C46, the other end of the C49, the GND of the U20, the cathode of the C44, the other end of the C45 and the GND.
The driving circuit comprises ULN2803 chips U14 and U15, pins 1-18 of U15 are respectively connected with PC 8-PC 13, PD0, PD1, GND, 24VDD and OUT 10-OUT 17, and pins 1-18 of U14 are respectively connected with PC 0-PC 7, GND, 24VDD and OUT 0-OUT 7.
The power supply anti-interference circuit comprises an inductor L1, one end of the inductor L1 is connected with a 24VDD anode, a capacitor C24-C27 anode and one end of a capacitor C28-C29 respectively, the other end of the inductor L1 is connected with a capacitor C30 anode, one end of a capacitor C31 and +24VADC respectively, and the cathodes of the capacitors C24-C27, the other ends of the capacitors C28-C29, the cathode of the capacitor C30 and the other end of the capacitor C31 are connected with GND.
The analog quantity acquisition part comprises a resistor R41, one end of the R41 is connected with the ADC0_ IN, the other end of the R41 is respectively connected with a voltage regulator tube Z1 cathode, one end of the resistor R45 and one end of the resistor R43, a Z1 anode is respectively connected with the ground, the other end of the R45 and one end of a capacitor C37, and the other end of the C37 is respectively connected with the ADC0 and the other end of the R43;
one end of a resistor R42 is connected with the ADC1_ IN, the other end of the resistor R42 is respectively connected with a cathode of a voltage regulator tube Z2, one end of a resistor R46 and one end of a resistor R44, an anode of the Z2 is respectively connected with the ground, the other end of the R46 and one end of a capacitor C38, and the other end of the C38 is respectively connected with the other ends of the ADC1 and the R44;
one end of a resistor R47 is connected with the ADC2_ IN, the other end of the resistor R47 is respectively connected with a cathode of a voltage regulator tube Z3, one end of a resistor R51 and one end of a resistor R49, an anode of the Z3 is respectively connected with the ground, the other end of the R51 and one end of a capacitor C39, and the other end of the capacitor C39 is respectively connected with the other ends of the ADC2 and the R49;
one end of a resistor R48 is connected with the ADC3_ IN, the other end of the resistor R48 is respectively connected with a voltage regulator tube Z4 cathode, one end of a resistor R52 and one end of a resistor R50, a Z4 anode is respectively connected with the ground, the other end of the R52 and one end of a capacitor C40, and the other end of the capacitor C40 is respectively connected with the ADC3 and the other end of the R50;
one end of a resistor R53 is connected with the ADC4_ IN, the other end of the resistor R53 is respectively connected with a cathode of a voltage regulator tube Z5, one end of a resistor R57 and one end of a resistor R55, an anode of the Z5 is respectively connected with the ground, the other end of the R57 and one end of a capacitor C51, and the other end of the capacitor C51 is respectively connected with the other ends of the ADC4 and the R55;
one end of a resistor R54 is connected with the ADC5_ IN, the other end of the resistor R54 is respectively connected with a cathode of a voltage regulator tube Z6, one end of a resistor R58 and one end of a resistor R56, an anode of the Z6 is respectively connected with the ground, the other end of the R58 and one end of a capacitor C52, and the other end of the C52 is respectively connected with the other ends of the ADC5 and the R56;
pins 1 to 3 of the connector P5 are correspondingly connected with ADC0_ IN, +24VADC and GND respectively;
pins 1-3 of the connector P6 are correspondingly connected with ADC1_ IN, +24VADC and GND respectively;
pins 1-3 of the connector P7 are correspondingly connected with ADC2_ IN, +24VADC and GND respectively;
pins 1-3 of the connector P8 are correspondingly connected with ADC3_ IN, +24VADC and GND respectively;
pins 1-3 of the connector P9 are correspondingly connected with ADC4_ IN, +24VADC and GND respectively;
pins 1-3 of the connector P11 are correspondingly connected with ADC5_ IN, +24VADC and GND respectively.
The intermediate relay circuit comprises G5NB-1A-E chips U1-U13, wherein a pin 1 of U1 is respectively connected with 24VDD and one end of a resistor R2 through a resistor R1, the other end of R2 is connected with an anode of a light emitting diode D1, a cathode of D1 is respectively connected with pins 2 of OUT7 and U1, a pin 3 of U1 is connected with COM1, and a pin 4 of U1 is connected with Y07;
pin 1 of U2 is connected with one end of 24VDD and resistor R4 through resistor R3, the other end of R4 is connected with anode of LED D2, cathode of D2 is connected with pins 2 of OUT6 and U2, pin 3 of U2 is connected with COM1, pin 4 of U2 is connected with Y06;
pin 1 of U3 is connected with one end of 24VDD and resistor R6 through resistor R5, the other end of R6 is connected with anode of light emitting diode D4, cathode of D4 is connected with pins 2 of OUT5 and U3, pin 3 of U3 is connected with COM1, pin 4 of U3 is connected with Y05;
pin 1 of U5 is connected with one end of 24VDD and resistor R8 through resistor R7, the other end of R8 is connected with anode of LED D6, cathode of D6 is connected with pins 2 of OUT4 and U5, pin 3 of U5 is connected with COM1, pin 4 of U5 is connected with Y04;
pin 1 of U6 is connected with one end of 24VDD and resistor R10 through resistor R9, the other end of R10 is connected with anode of light emitting diode D7, cathode of D7 is connected with pins 2 of OUT3 and U6, pin 3 of U6 is connected with COM1, and pin 4 of U6 is connected with Y03;
pin 1 of U7 is connected with one end of 24VDD and resistor R12 through resistor R11, the other end of R12 is connected with anode of LED D8, cathode of D8 is connected with pins 2 of OUT2 and U7, pin 3 of U7 is connected with COM1, pin 4 of U7 is connected with Y02;
pin 1 of U8 is connected with one end of 24VDD and resistor R14 through resistor R13, the other end of R14 is connected with anode of LED D9, cathode of D9 is connected with pins 2 of OUT1 and U8, pin 3 of U8 is connected with COM1, pin 4 of U8 is connected with Y01;
pin 1 of U9 is connected with one end of 24VDD and resistor R16 through resistor R15, the other end of R16 is connected with anode of LED D10, cathode of D10 is connected with pins 2 of OUT0 and U9, pin 3 of U9 is connected with COM1, pin 4 of U9 is connected with Y00;
pin 1 of U10 is connected with one end of 24VDD and resistor R18 through resistor R17, the other end of R18 is connected with anode of LED D11, cathode of D11 is connected with pins 2 of OUT17 and U10, pin 3 of U10 is connected with COM1, pin 4 of U10 is connected with Y17;
pin 1 of U11 is connected with one end of 24VDD and resistor R20 through resistor R19, the other end of R20 is connected with anode of light emitting diode D12, cathode of D12 is connected with pins 2 of OUT16 and U11, pin 3 of U11 is connected with COM1, and pin 4 of U11 is connected with Y16;
pin 1 of U12 is connected with one end of 24VDD and resistor R22 through resistor R21, the other end of R22 is connected with anode of LED D13, cathode of D13 is connected with pins 2 of OUT15 and U12, pin 3 of U12 is connected with COM1, pin 4 of U12 is connected with Y15;
pin 1 of U13 is connected with one end of 24VDD and resistor R27 through resistor R26, the other end of R27 is connected with anode of LED D14, cathode of D14 is connected with pins 2 of OUT14 and U13, pin 3 of U13 is connected with COM1, and pin 4 of U13 is connected with Y14;
a _ LINE is respectively connected with 1 pin of CJX2 type contactors KM 1-KM 5 and L1 ends of JQX-13F type relays K1-K7, 2 pins of KM 1-KM 5 are respectively correspondingly connected with Y07-Y03, and L2 ends of K1-K7 are respectively correspondingly connected with Y02-Y00 and Y17-Y14.
Pins 3, 4 and 5 of KM 1-KM 5 are correspondingly connected with A _ LINE, B _ LINE and C _ LINE respectively, pins 9, 10 and 11 of KM1 are correspondingly connected with C _1, B _1 and A _1 respectively, pins 9, 10 and 11 of KM2 are correspondingly connected with C _10, B _10 and A _10 respectively, pins 9, 10 and 11 of KM3 are correspondingly connected with C _11, B _11 and A _11 respectively, pins 9, 10 and 11 of KM4 are correspondingly connected with C _12, B _12 and A _12 respectively, and pins 9, 10 and 11 of KM5 are correspondingly connected with C _13, B _13 and A _13 respectively;
COMA of K1-K2 is connected with A _ LINE, COMA of K3-K4 is connected with B _ LINE, COMA of K5-K7 is connected with C _ LINE, COMB of K1-K7 is connected with COM1;
k1's SCA end, SCB end respectively with A _2, N _2 corresponds continuously, K2's SCA end, SCB end respectively with A _4, N _4 corresponds continuously, K3's SCA end, SCB end respectively with B _5, N _5 corresponds continuously, K4's SCA end, SCB end respectively with B _6, N _6 corresponds continuously, K5's SCA end, SCB end respectively with C _2, N _2 corresponds continuously, K6's SCA end, SCB end respectively with C _3, N _3 corresponds continuously, K7's SCA end, SCB end respectively with F _7, N _7 corresponds continuously. A _ LINE, B _ LINE and C _ LINE are connected with a three-phase alternating current phase LINE.
The light hydrocarbon gas control system is applied to light hydrocarbon gas preparation equipment, the light hydrocarbon gas preparation equipment comprises a crude oil storage part and a gas preparation part, the crude oil storage part comprises an oil tank A and an oil tank B, the gas preparation part comprises a light hydrocarbon crude oil gas preparation tank, the oil tank A and the oil tank B are provided with an oil outlet, a first release port, a nitrogen gas port, a liquid level meter, a second release port, an oil discharge port (oil of a tank car enters the oil tank through the oil discharge port) and an access port, and the oil outlet, the first release port, the nitrogen gas port, the second release port and the oil discharge port are all connected with valves;
the oil outlets of the oil tank A and the oil tank B are connected with one end of an oil pipeline, the other end of the oil pipeline is respectively connected with one end of an electric stop valve DF and one end of an oil delivery gate valve through a flowmeter, the other end of the DF is respectively connected with an oil inlet of a light hydrocarbon crude oil gas making tank and the other end of the oil delivery gate valve, an air inlet of the light hydrocarbon crude oil gas making tank is connected with an air outlet of an air buffer tank through an air inlet valve, and a control port of the air inlet valve is connected with an intermediate relay circuit; an inlet of the air buffer tank is respectively connected with an outlet of the first Roots blower and an outlet of the second Roots blower; the control ports of the first Roots blower and the second Roots blower are connected with an intermediate relay circuit (KM 4);
the gas outlet of the gas making tank for light hydrocarbon crude oil is connected with the gas inlet of the gas outlet tank through a gas outlet valve, and the gas outlet of the gas outlet tank is connected with an output ball valve through a gas supply valve, an electromagnetic valve and a pressure meter in sequence; the control port of the electromagnetic valve is connected with an intermediate relay circuit (K5); the pressure detection port of the air outlet tank is connected with the input port (ADC 3) of the analog quantity acquisition part; the control port of the air outlet valve is connected with the intermediate relay circuit; the control port of the air supply valve is connected with the intermediate relay circuit;
the nitrogen ports of the oil tank A and the oil tank B are connected with one end of a nitrogen pipeline, the other end of the nitrogen pipeline is connected with the outlet of an air compressor through a pressure gauge and a pressurizing valve in sequence, and the inlet of the air compressor is connected with the outlet of the nitrogen compressor through a dryer and a gate valve in sequence; the control port of the nitrogen machine is connected with an intermediate relay circuit (KM 2); the control port of the dryer is connected with an intermediate relay circuit (KM 3); the control port of the air compressor is connected with an intermediate relay circuit (KM 5); the control port of the pressure valve is connected with the intermediate relay circuit;
the pressure relief port of the light hydrocarbon crude oil gas preparation tank is connected with a pressure relief valve, and the control port of the pressure relief valve is connected with the intermediate relay circuit;
an oil drain port of the gas outlet tank is connected with an oil return port of the light hydrocarbon crude oil gas preparation tank through an oil drain valve, and a control port of the oil drain valve is connected with the intermediate relay circuit;
a control port of an electric heating part of a circulating pump of the light hydrocarbon crude oil gas preparation tank is connected with an intermediate relay circuit (KM 1);
pressure and temperature sensors of the light hydrocarbon crude oil gas preparation tank are connected with the analog quantity acquisition part (P9); the gas pressure sensor measures the pressure value of the mixed gas at the upper part of the gas making tank;
a liquid level meter of the light hydrocarbon crude oil gas making tank is connected with the analog quantity acquisition part (P8);
a differential pressure transmitter of the light hydrocarbon crude oil gas making tank is connected with the analog quantity acquisition part (P7); the differential pressure transmitter can measure the pressure difference between the upper measuring point and the lower measuring point, the liquid level height of the gas making tank can be calculated, the measured value is accurate to a thousandth position, and the liquid level can be controlled more accurately.
The oil discharge ports of the oil tank A and the oil tank B are connected with an oil discharge pipeline.
High-pressure nitrogen gas output by the air compressor can be directly pumped into the oil storage tank through a pipeline and a valve so as to control oil outlet of the oil storage tank, and is also pumped into the branch cylinder through the oil-water separator during passing so as to control the opening and closing of the pneumatic quick-cut ball valve.
Valves at the oil outlet, the first release port, the nitrogen port, the second release port, the oil discharge port and the human mouth are ball valves.
The connecting pipe of delivery port department adopts DN40 connecting pipe, and the connecting pipe of first diffusion mouth department and second diffusion mouth department adopts DN50 connecting pipe, and the connecting pipe of nitrogen gas mouth department adopts DN20 connecting pipe, and the connecting pipe of unloading delivery port department adopts DN80 connecting pipe, and the connecting pipe of level gauge department adopts DN150 connecting pipe.
The volumes of the oil tank A and the oil tank B are 50m 3 。
The air inlet valve, the pressure release valve, the air outlet valve, the oil drain valve, the air supply valve and the pressure valve are all pneumatic quick-cut ball valves, air source interfaces of the air inlet valve, the pressure release valve, the air outlet valve, the oil drain valve, the air supply valve and the pressure valve are respectively connected with an outlet of the air distribution cylinder through hoses, and an inlet of the air distribution cylinder is connected with an outlet of the air compressor through the oil-water separator and the gate valve in sequence.
The crude oil storage part consists of two 50m underground 3 The oil storage tank is buried underground, high-pressure nitrogen is pumped into the tank to facilitate oil discharge, and the working process is shown in figure 13.
The gas making part consists of gas making tank air, a buffer tank, a gas outlet tank, a Roots blower, an air compressor, a gas distributing cylinder, a plurality of valves and a sensor. Light hydrocarbon crude oil gets into the system gas pitcher from the oil storage tank, keep at certain liquid level height, air in the air buffer tank squeezes into the system gas pitcher after the roots's fan pressurizes, form light hydrocarbon mixed gas and maintain the atmospheric pressure in the system gas pitcher with the light hydrocarbon gas mixture on system gas pitcher upper portion, the light hydrocarbon crude oil heating to the uniform temperature in the system gas pitcher of the circulation electric heater unit of system gas pitcher bottom, guarantee that the catalyst in the system gas pitcher reaches best catalytic condition, let the enough gas furnace of gasification rate of light hydrocarbon crude oil last stable burning.
The gas making tank gasifies light hydrocarbon crude oil rapidly under certain conditions, and forms light hydrocarbon air-mixed gas with air pumped into the gas making tank. The sensor in the gas making tank comprises a liquid flow meter at an oil inlet of the gas making tank, a temperature sensor, a differential pressure liquid level sensor and a gas pressure sensor are mounted on the gas making tank body, and the sensors acquire the working state of the gas making tank in real time and transmit the working state to the control system. The gas making tank is provided with an electric stop valve which is arranged at an oil inlet of the gas making tank, and two pneumatic ball valves are respectively arranged between the gas making tank and the air buffer tank to control the air inlet of high-pressure air and between the gas making tank and the air outlet tank to control the air outlet of mixed air gas. The equipment for preparing the light hydrocarbon gas gasifies the light hydrocarbon and then adds air into the gasified light hydrocarbon gas, and the gasified light hydrocarbon gas enters the boiler to be combusted, so that the equipment is efficient, environment-friendly, cheap and practical.
The air buffer tank is a storage tank of compressed air, the compressed air in the air buffer tank is driven by one Roots blower, and the other Roots blower is reserved. And a pneumatic ball valve is arranged between the air buffer tank and the gas making tank and controls the air outlet of the air buffer tank.
The air outlet tank is a filtering and temporary storage tank for light hydrocarbon air-mixed gas, the air outlet tank consists of a tank body and an in-tank filter element, and the tank body is provided with an oil return port at the bottom besides an air inlet and an air outlet. The filter core is installed on the gas outlet, and with give vent to anger between the pipeline seal welding together, the mixed air gas of lighter hydrocarbons enters into the pipeline of giving vent to anger through the filter core, and the oil that the filter core can filter in the mixed air gas of lighter hydrocarbons drips, and these oil can deposit at the tank bottoms, guarantee that the mixed accuse gas that gets into combustion apparatus can not appear deposit oil. The gas inlet and the gas outlet of the gas outlet tank are respectively provided with a starting ball valve for controlling the inlet and the outlet of the light hydrocarbon air-mixed gas, and the oil return port end is also provided with a pneumatic ball valve for periodically returning the oil in the gas storage tank to the gas preparation tank.
The equipment for preparing the light hydrocarbon gas can be applied to heating, refrigerating, power generation and welding, an energy-saving and environment-friendly boiler can be selected in the aspect of heating, and a pressure reducing valve and a gas turbine flowmeter are installed at the air inlet end of the boiler. The gas turbine flowmeter is provided with a gas pressure detection function so as to check the intake air pressure.
The cooking range of the boiler can be divided into 4 groups, 3 cooking ranges are arranged in each group, water enters a heat circulation system of the cooking range to be heated to more than one hundred ℃, and the temperature of output steam can reach about 130 ℃. The environment-friendly energy-saving boiler is provided with one set of intelligent control system, the number of ignition stoves can be controlled according to actual requirements, and resource waste is greatly reduced.
And (3) constant temperature control: 4-20mA output by the pressure and temperature sensor is connected to the circuit board, the current temperature in the gas making tank is obtained by using an AD conversion circuit in U4, and when the temperature is lower than 36 ℃; and starting the circulating pump electric heating contactor to heat the gas making tank. When the temperature rises to 38 ℃, the circulating pump electric heating contactor is closed, and heating is stopped.
Constant liquid level height: light hydrocarbon fuel liquid level system adopts pressure differential changer and air compressor machine as actuating mechanism, when light hydrocarbon fuel's liquid level changed, through the switching of control pressurization valve (squeeze into nitrogen gas in oil tank A and B through the work of control air compressor machine, in carrying light hydrocarbon oil pressure system gas pitcher), makes light hydrocarbon fuel's liquid level stable at the setting value.
The opening and closing of the intake valve is controlled by the tank pressure, and it may be set such that the intake valve is opened when the tank pressure is lower than 36Kpa and closed when the tank pressure exceeds 38 Kpa.
The pressure relief valve prevents the air making tank from being excessively high, and may be configured to open for pressure relief when the pressure in the air making tank exceeds 50Kpa, and close when the pressure in the air making tank is lower than 50 Kpa.
The air outlet valve controls the mixed air light hydrocarbon gas in the gas making tank to enter the gas outlet tank, and when the gas is required to be output, the air outlet valve and the gas supply valve are opened simultaneously.
The oil drain valve controls the accumulated oil in the gas tank to flow back to the gas making tank, and the oil drain valve can be set to be opened for 120 seconds every hour.
The electric stop valve DF controls the light hydrocarbon crude oil in the oil storage tank to enter the gas making tank, and the liquid level of the gas making tank can be controlled at 430 mm-450 mm.
The pressure value of the air compressor and the dryer for pressurizing each pneumatic ball valve can be set to be 4 kilograms.
The nitrogen machine can be set to make the pressure of the oil tank be 60-80KPA, and the Roots blower can be set to make the pressure of the gas making tank be 38-40KPA.
The power input part of the invention can adopt a photovoltaic module to supply power, and the automatic tracking photovoltaic power generation system of the photovoltaic module can adopt an angle-advance photovoltaic system adjusting method. The method for adjusting the photovoltaic system with an angle advance is shown in fig. 10, wherein the dotted lines in the figure represent the normal direction of the photovoltaic module, the arrows at a1, a2, b1 and b2 represent the solar irradiation direction (a 1 and a2 represent the solar irradiation direction at the starting time of each adjustment cycle, and b1 and b2 represent the solar irradiation direction at the ending time of each adjustment cycle). At the starting time, the normal direction 1 of the photovoltaic module leads the solar radiation direction a1 by an angle theta s1 /2. In the 1 st regulation period t s In time, the solar radiation direction is gradually changed from the direction a1 to the direction b1, and the included angle between the normal direction of the photovoltaic module and the solar radiation direction is theta s1 The/2 is gradually changed into 0 and then gradually changed into theta from 0 s1 /2. In the 1 st regulation period t s Adjusting the rotation angle (theta) of the photovoltaic module at the end of the time s1 /2+θ s2 And/2) rotating the normal direction of the photovoltaic module from the position 1 to the position 2, wherein the normal direction 2 of the photovoltaic module is ahead of the solar radiation direction b1 and ahead of the solar radiation direction b1Angle theta s2 /2. And then, entering the next adjusting period, wherein the solar irradiation direction b1 at the end time of the previous period is the solar irradiation direction a2 at the starting time of the next period. In the 2 nd regulation period t s During the time, the solar radiation direction is gradually changed from the direction a2 to the direction b2, and in the 2 nd regulation period t s Adjusting the rotation angle (theta) of the photovoltaic module at the end of the time s2 /2+θ s3 And/2) rotating the normal direction of the photovoltaic module from the position 2 to the position 3, wherein the normal direction 3 of the photovoltaic module is ahead of the solar radiation direction b2 by an angle theta s3 /2. And the photovoltaic module angle adjusting process is analogized in each period.
At the initial time of the adjusting period, the normal direction of the photovoltaic module leads the solar irradiation direction by an angle theta sn /2(θ sn Is an angle adjusting step length, n represents the angle adjusting step length in the nth adjusting period), and the angle of the normal direction of the photovoltaic module lagging the solar radiation direction is theta at the end time of the adjusting period sn /2. Adjusting included angle theta in period t The time-dependent function is shown in FIG. 11.
In the first half of the regulation period 0-t s The included angle theta between the solar radiation direction and the normal direction of the photovoltaic module in 2 time t The function relationship with time t is:
Figure BDA0002942128260000131
in the second half of the regulation period t s /2～t s Included angle theta between solar irradiation direction and normal direction of photovoltaic module in time t The function of time t is:
Figure BDA0002942128260000132
during the regulation period t s The average included angle between the normal direction of the photovoltaic module and the solar irradiation direction in time is as follows:
Figure BDA0002942128260000133
during the regulation period t s The average included angle between the normal direction of the photovoltaic module and the solar irradiation direction in time is theta sn /4。
Generating capacity G = P × R × T of photovoltaic module
Wherein G is the power generation capacity (unit kW.h) of the photovoltaic module, P is the peak power (unit kWp) of the photovoltaic module, and R is the intensity (unit kW/m) of solar radiation received by the photovoltaic module 2 ) And T is time (unit h).
Wherein:
R＝R t ×COSθ t
in the formula [ theta ] t Is a function (unit degree) of the change of an included angle between the solar irradiation direction and the normal direction of the photovoltaic module along with time; r t As a function of the intensity of the irradiation over time (in kW/m) 2 )。
Adjusting period t s 1/3 hour (20 minutes), angle adjustment step size θ s The total power P of the photovoltaic module is 10kWp at 5 degrees. The power generation amount is calculated as follows.
Figure BDA0002942128260000134
In the first half period (the time t change interval is from 0 moment to 1/6 hour), the included angle between the normal direction of the photovoltaic module and the solar irradiation direction is gradually reduced from 2.5 degrees to 0 degree, and theta t The function relationship with time t is:
Figure BDA0002942128260000135
in the second half period (the time t change interval is from 1/6 hour to 1/3 hour), the included angle between the normal direction of the photovoltaic module and the solar radiation direction is gradually increased from 0 degree to 2.5 degrees, and theta t The function relationship with time t is:
Figure BDA0002942128260000141
the variation of the irradiation intensity function with time in a super-short period (which can be 15 minutes to 4 hours) comprises the following conditions: 1, the irradiation intensity is unchanged; 2, the irradiation intensity is monotonously increased; 3, the irradiation intensity is monotonically decreased; 4, the irradiation intensity is firstly reduced and then increased; 5, increasing the irradiation intensity first and then decreasing the irradiation intensity; 6, increasing the irradiation intensity, then decreasing and then increasing; 7 the irradiation intensity is firstly reduced, then increased and then reduced.
The following 7 irradiation intensity change functions represent the above 7 change conditions, and the power generation amount of the photovoltaic module adopting the photovoltaic system angle adjustment method of the invention is calculated:
(1) The irradiation intensity is not changed
R t ＝r
Wherein r =0.8kW/m 2 ；
Figure BDA0002942128260000142
(2) Monotonic increase in irradiation intensity
R t ＝r+kt
Wherein r =0.8kW/m 2 ，k＝0.6；
Figure BDA0002942128260000143
(3) Monotonic decrease of irradiation intensity
R t ＝r-kt
Wherein r =0.8kW/m 2 ，k＝0.6；
Figure BDA0002942128260000144
(4) The irradiation intensity is firstly decreased and then increased
R t ＝r+mcos(nt)
Wherein r =0.8kW/m 2 ，m＝0.2，n＝6π；
Figure BDA0002942128260000145
(5) The irradiation intensity is increased and then decreased
R t ＝r+mcos(nt+c)
Wherein r =0.8kW/m 2 ，m＝0.2，n＝6π，c＝π；
Figure BDA0002942128260000151
(6) The irradiation intensity is increased, decreased and increased
R t ＝r+msin(nt)
Wherein r =0.8kW/m 2 ，m＝0.2，n＝6π；
Figure BDA0002942128260000152
(7) The irradiation intensity is decreased first and then increased and then decreased
R t ＝r+msin(nt+c)
Wherein r =0.8kW/m 2 ，m＝0.2，n＝6π，c＝π；
Figure BDA0002942128260000153
The average included angle between the normal direction of the photovoltaic module and the solar irradiation direction in the regulation period is small, and the generated energy generated by the photovoltaic module is large.
The rotation angle of the photovoltaic module in each adjustment is (theta) s1 /2+θ s2 And/2) (shown in figure 10), keeping the normal direction of the photovoltaic module at the position of the angle adjusting step 1/2 corresponding to the adjusting period.
The end position of each adjustment is not fixed to the position of the angle adjustment step 1/2. Each adjusting period is divided into two time zones, namely a time zone a in which the normal direction of the photovoltaic module leads the solar irradiation direction and a time zone b in which the normal direction of the photovoltaic module lags the solar irradiation direction. And collecting the generated energy of the photovoltaic modules in the two time zones, and adjusting the position of the photovoltaic module in the normal direction after the next angle adjustment according to the proportion of the generated energy of the photovoltaic modules in the two time zones so that the normal direction of the photovoltaic module after the next adjustment deviates to the time zone with more generated energy.
As shown in fig. 12, the schematic view of the rotation angle of the photovoltaic module is shown for two consecutive adjustment periods. Adjusting the period length t s The angle adjusting step length of the two adjusting periods is theta s1 And theta s12 In the figure, the numbers 1 and 2 respectively represent the normal directions of the photovoltaic modules in the two regulation periods, a1 and a2 represent the solar irradiation directions at the starting time of the two regulation periods, and b1 and b2 represent the solar irradiation directions at the ending time of the two regulation periods. Theta s1a And theta s2a The angle theta that the normal direction of the photovoltaic module advances the solar radiation direction at the starting time of the two regulation periods is respectively s1b And theta s2b And respectively setting the angle of the normal direction of the photovoltaic module lagging the solar irradiation direction at the end time of the two regulation periods.
At the starting time, the normal direction 1 of the photovoltaic module leads the solar radiation direction a1 by an angle theta s1a . In the 1 st control period t s In time, the solar irradiation direction is gradually changed from the direction a1 to the direction b1, and the included angle between the normal direction of the photovoltaic module and the solar irradiation direction is changed from the advance angle theta s1a Gradually becomes 0 and gradually becomes the lag angle theta from 0 s1b . In the 1 st control period t s Adjusting the rotation angle (theta) of the photovoltaic module at the end of the time s1b +θ s2a ) The normal direction of the photovoltaic module is rotated from the position 1 to the position 2, at the moment, the normal direction 2 of the photovoltaic module is ahead of the solar irradiation direction b1, and the advance angle is theta s2a . And then, entering the next adjusting period, wherein the solar irradiation direction b1 at the end time of the previous period is the solar irradiation direction a2 at the starting time of the next period. In the 2 nd regulation period t s In time, the solar irradiation direction is gradually changed from the direction a2 to the direction b2, and the included angle between the normal direction of the photovoltaic module and the solar irradiation direction is changed from the advance angle theta s2a Gradually becomes 0 and gradually becomes the lag angle theta from 0 s2b 。
G 1a Is the normal line of the photovoltaic module in the 1 st periodThe direction is ahead of the generated energy G of the photovoltaic module in the solar irradiation direction time 1b The generated energy K of the photovoltaic module in the time that the normal direction of the photovoltaic module lags behind the solar irradiation direction in the 1 st period 1ab Is the 1 st period G 1a And G 1b Ratio of (A) to (B), K 1ba Is the 1 st period G 1b And G 1a A ratio of (d,. DELTA.G) ab A power generation amount adjustment value from a lead time zone to a lag time zone in the 1 st cycle, [ delta ] G ba Adjusting the amount of power generation from the lag time zone to the lead time zone in the 1 st cycle by delta theta 1ab Angle adjustment value from the lead time zone to the lag time zone in the 1 st cycle, [ delta ] theta 1ba The angle adjustment value from the lag time zone to the lead time zone in the 1 st period.
According to G in the 1 st period 1a And G 1b The relative size and the proportional relation of the angle are calculated for the 1 st cycle, and under the condition that the power generation amounts in the lead time zone and the lag time zone are adjusted to be the same, an angle adjusting value is calculated (the relation between the power generation amount and the angle is simplified into a linear proportional relation for calculation due to the randomness of solar irradiation change). And calculating the angle of the photovoltaic module in the 2 nd period in the direction of the normal line leading the solar irradiation direction according to the angle adjusting value and the angles of the leading time area and the lagging time area of the 1 st period, and obtaining the angle of the photovoltaic module to be adjusted. When the normal direction of the photovoltaic module is at the position of 1/2 of the angle interval of the period, if the solar energy irradiation amount of the leading time zone is not equal to that of the lagging time zone, if the normal direction of the photovoltaic module deviates to the time interval with larger solar energy irradiation amount, the photovoltaic module generates more power generation amount in the same adjusting period. After the optimal adjustment method is adopted, after each adjustment, the normal direction of the photovoltaic module is not fixed at the position of 1/2 of the angle interval of the next period, but is dynamically adjusted according to the proportion of the power generation amount of the photovoltaic module in the lead time area and the lag time area in the previous period (namely the proportion of the solar energy irradiation amount received by the photovoltaic module), so that the normal position of the photovoltaic module deviates to the time area with higher power generation amount of the photovoltaic module, and more power generation amount can be obtained through the adjustment.
(1) When the 1 st cycleWhen the power generation amount in the inner lead time zone is larger than the power generation amount in the lag time zone (G) 1a >G 1b )，
Figure BDA0002942128260000161
G 1a -ΔG ab ＝G 1b +ΔG ab
Figure BDA0002942128260000162
Figure BDA0002942128260000163
Calculating and adjusting the angle of the photovoltaic module to be rotated:
Figure BDA0002942128260000171
Figure BDA0002942128260000172
by theta s2a +θ s2b ＝θ s2 To obtain
Figure BDA0002942128260000173
Therefore, it is not only easy to use
Figure BDA0002942128260000174
Should be rotated by an angle of
Figure BDA0002942128260000175
(2) When the amount of electric power generation in the leading time zone is smaller than the amount of electric power generation in the lagging time zone in the 1 st cycle (G) 1a <G 1b )，
Figure BDA0002942128260000176
G 1a +ΔG ba ＝G 1b -ΔG ba
Figure BDA0002942128260000177
Figure BDA0002942128260000178
Calculating and adjusting the angle of the photovoltaic module to be rotated:
Figure BDA0002942128260000179
Figure BDA0002942128260000181
by theta s2a +θ s2b ＝θ s2 To obtain
Figure BDA0002942128260000182
Therefore, it is not only easy to use
Figure BDA0002942128260000183
Should be rotated by an angle of
Figure BDA0002942128260000184
(3) When the amount of electric power generation in the leading time zone is equal to the amount of electric power generation in the lagging time zone in the 1 st cycle (G) 1a ＝G 1b ) And calculating and adjusting the angle of the photovoltaic module to be rotated:
Figure BDA0002942128260000185
by theta s2a +θ s2b ＝θ s2 To obtain
Figure BDA0002942128260000186
Therefore, it is not only easy to use
Figure BDA0002942128260000187
Should be rotated by an angle of
Figure BDA0002942128260000188

Claims (4)

1. The light hydrocarbon gas control system comprises a microprocessor part, an intermediate relay circuit, a GPRS network, a power input part, a power anti-jamming circuit, an analog quantity acquisition part and a drive circuit, and is characterized in that a control signal output port of the microprocessor part is connected with a control signal input port of the intermediate relay circuit through the drive circuit, a detection signal input port of the microprocessor part is connected with a detection signal output port of the analog quantity acquisition part, an information transmission port of the microprocessor part is connected with an information transmission port of the GPRS network, an electric energy input end of the power input part is connected with the power anti-jamming circuit, and an electric energy output end of the power input part is respectively connected with a power port of the microprocessor part, a power port of the intermediate relay circuit, a power port of the GPRS network, a power port of the analog quantity acquisition part and a power port of the drive circuit;
the microprocessor part respectively controls the Roots blower, the electromagnetic valve, the air outlet valve, the air supply valve, the nitrogen machine, the dryer, the air compressor, the pressurizing valve, the pressure release valve, the oil drain valve and the electric heating part of the circulating pump through an intermediate relay circuit;
the microprocessor part acquires the pressure of the gas tank, the pressure and the temperature of the light hydrocarbon crude oil gas tank and the liquid level of the light hydrocarbon crude oil gas tank through the analog quantity acquisition part;
the microprocessor part acquires the temperature in the gas making tank, and when the temperature is lower than a lower limit set value; starting an electric heating part of the circulating pump to heat the gas making tank; when the temperature rises to the upper limit set value, the electric heating part of the circulating pump is closed, and heating is stopped;
the liquid level of the light hydrocarbon fuel in the oil tank is stabilized at a set value by controlling the opening and closing of the pressurizing valve;
the opening and closing of the air inlet valve is controlled by the pressure of the air tank, the air inlet valve is opened when the pressure of the air tank is lower than a lower limit set value, and the air inlet valve is closed when the pressure of the air tank exceeds an upper limit set value;
the pressure relief valve prevents the pressure of the gas making tank from being too high, opens to relieve the pressure when the pressure in the gas making tank exceeds a set value, and closes when the pressure in the gas making tank is lower than the set value;
the gas outlet valve controls the mixed air light hydrocarbon gas in the gas making tank to enter the gas outlet tank, and when the gas needs to be output, the gas outlet valve and the gas supply valve are opened simultaneously;
the oil drain valve controls the accumulated oil in the gas tank to flow back to the gas preparation tank.
2. A light hydrocarbon gas control system according to claim 1, wherein the microprocessor portion includes STM32F407VGT6 type U4, pins 23 to 26, 29 to 32, 67 to 72, 76, 77, 35 to 37, 89 to 93, 95, 96, 47, 48, 51 to 54 of U4 respectively connected to ADC0, ADC1, ADC2, ADC3, ADC4, ADC5, PA8, PA10, PA9, PA6, PA7, PA11, PA12, TMS, TCK, PA15, BOOT1, PB5, PB6, PB7, PB8, PB9, PB10, PB11, PB12, PB13, PB14, PB15, PB0, PB1, PB4, PB3, 15-18, 33, 34, 63-66, 78-80, 7-9, 81-88, 55-62 of U4 are correspondingly connected with PC10, PC11, PC12, PC0, PC1, PC2, PC3, PC4, PC5, PC6, PC7, PC8, PC9, PC13, OSC32_ IN, OSC32_ OUT, PD0, PD1, PD2, PD3, PD4, PD5, PD6, PD7, PD8, PD9, PD10, PD11, PD12, PD13, PD14, PD15, respectively;
97, 98, 1-5 and 38-46 of U4 are correspondingly connected with PE0, PE1, PE2, PE3, PE4, PE5, PE6, PE7, PE8, PE9, PE10, PE11, PE12, PE13, PE14 and PE15 respectively;
a 94 pin of U4 is connected with BOOT0, a 14 pin of U4 is connected with NEST, a 49 pin of U4 is respectively connected with GND and one end of a capacitor C16 through a capacitor C14, the other end of C16 is connected with a 73 pin of U4, a12 pin of U4 is respectively connected with one end of a crystal oscillator Y1 and one end of a capacitor C13, the other end of Y1 is respectively connected with a 13 pin of U4 and one end of a capacitor C12, and the other end of C12 is respectively connected with GND and the other end of C13;
the 6 feet of U4 are respectively connected with the cathode of a diode D3 and the cathode of a diode D5, the anode of D3 is connected with +3.3V, the anode of D5 is connected with P1, the 11, 19, 28, 50, 75, 100, 22 and 21 feet of U4 are connected with +3.3V, and the 10, 27, 74, 99 and 20 feet of U4 are connected with GND;
the OSC32_ IN is respectively connected with one end of a capacitor C11 and one end of a crystal oscillator Y2, the other end of the Y2 is respectively connected with the OSC32_ OUT and one end of a capacitor C15, and the other end of the C15 is respectively connected with the other end of the C11 and GND;
pins 1-4 of the connector P2 are correspondingly connected with the +3.3V, TMS, TCK and GND respectively;
pins 1-3 of the connector P3 are correspondingly connected with PA9, PA10 and GND respectively;
NEST is respectively connected with one end of a resistor R25 and one end of a capacitor C17, the other end of C17 is connected with GND, and the other end of R25 is connected with +3.3V;
BOOT0 is connected with GND and one end of a resistor R24 through a resistor R23, and the other end of R24 is connected with BOOT1;
+3.3V is connected with one end of each of the capacitors C1-C10, and the other end of each of the capacitors C1-C10 is connected with GND.
3. The light hydrocarbon gas control system according to claim 1, wherein the GPRS network comprises a SIM800C chip U16, pins 1 and 2 of U16 are respectively connected to SIM800_ TXD and SIM800_ RXD, pin 6 of U16 is connected to PB4 through a resistor R37, pins 8, 13, 19 and 21 of U16 are connected to GND, pins 15 to 18 of U16 are respectively connected to SIM _ DATA, SIM _ CLK, SIM _ RST and SIM _ VDD, pins 24 to 27 of U16 are respectively connected to USB _ BUS, USB _ DP, USB _ DN and GND, pin 28 of U16 is connected to GND through a capacitor C32, pins 30, 31 and 33 of U16 are connected to GND, pin 32 of U16 is connected to pin 1 of a connector J1, and pin 2 of J1 is connected to GND;
pins 34 and 35 of U16 are connected with +4.2V, pins 36 and 37 of U16 are connected with GND, pin 39 of U16 is connected with KEY, pin 41 of U16 is connected with the anode of the light-emitting diode D18 through a resistor R34, the cathode of D18 is connected with GND, and pin 42 of U16 is connected with PB5 through a resistor R36;
+5v \ u sim800 is connected with the anode of the diode D15, the cathode of D15 is connected with the anode of the diode D16, and the cathode of D16 is connected with +4.2V;
+4.2V is respectively connected with a cathode of a voltage regulator tube ZD1, an anode of capacitors C18-C21, one end of a capacitor C22 and one end of a capacitor C23, and an anode of ZD1, a cathode of capacitors C18-C21, the other end of C22 and the other end of C23 are connected with GND;
PE3 is respectively connected with one end of a resistor R31 and the base electrode of an NPN triode Q1 through a resistor R30, the collector electrode of Q1 is connected with KEY, and the emitter electrode of Q1 is respectively connected with the other end of R31 and GND;
the SIM800_ TXD is respectively connected with the pin 1 of the PE0 and the pin 1 of the connector P4 through a resistor R28, the pin 2 of the pin P4 is respectively connected with one end of a resistor R29 and the PE1, the other end of the resistor R29 is respectively connected with one end of the SIM800_ RXD and one end of a resistor R32, and the other end of the resistor R32 is respectively connected with the pin 3 of the GND and the pin P4.
4. A light hydrocarbon gas control system according to claim 1, wherein the GPRS network comprises an NPN triode Q2, the collector of the NPN triode Q2 is connected to the anode of a diode D17 and the 1 pin of the HFD4/5-S chip K8, respectively, and the cathode of the diode D17 is connected to the 8 pin of +5V, K, respectively;
the base electrode of Q2 is respectively connected with one end of a resistor R33 and one end of a resistor R35, the other end of R33 is connected with PE4, and the other end of R35 is respectively connected with GND and the emitting electrode of Q2;
the 2 and 3 feet of K8 are correspondingly connected with +5V _SIM800and +5V respectively;
a pin 1 of the mobile phone card holder U17 is connected with GND, a pin 2 of the U17 is respectively connected with a pin 1 of an SIM _ VDD, one end of a capacitor C33 and a pin 1 of an SMF05C chip U18, the other end of the C33 is respectively connected with GND and a pin 2 of the U18, a pin 4 of the U18 is respectively connected with a pin 4 of the U17 and one end of a resistor R40, the other end of the R40 is respectively connected with one end of a capacitor C34 and SIM _ RST, the other end of the C34 is respectively connected with one end of a capacitor C35, one end of a capacitor C36 and GND, the other end of the C35 is respectively connected with one end of a resistor R39 and SIM _ DATA, the other end of the C36 is respectively connected with one end of a resistor R38 and SIM _ CLK, the other end of the R38 is respectively connected with a pin 6 of the U17 and a pin 6 of the U18, and the other end of the R39 is respectively connected with a pin 5 of the U17 and a pin 5 of the U18.
CN202110180656.6A 2021-02-08 2021-02-08 Light hydrocarbon gas control system Pending CN115639760A (en)

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