CN113485184A - CPS-based industrial waste gas monitoring and chimney anti-falling voice alarm embedded real-time control device - Google Patents
CPS-based industrial waste gas monitoring and chimney anti-falling voice alarm embedded real-time control device Download PDFInfo
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Abstract
The invention relates to an industrial waste gas monitoring and chimney anti-falling voice alarm embedded real-time control device based on CPS, and belongs to the technical field of industrial safety. The system comprises a solar power supply module, an STM32 singlechip module, a harmful gas concentration monitoring module, a chimney safety detection module, a voice alarm module, an NB-IOT communication module, an NB-IOT base station and a server module. And the harmful gas concentration monitoring module and the chimney safety detection module are connected with the STM32 single chip microcomputer. The STM32 singlechip is connected with the NB-IOT communication module and the voice alarm module. The invention monitors the safety condition of the industrial chimney through the vibration sensor, detects whether the current industrial chimney is in a safe state and whether the concentration of harmful gas in the discharged industrial waste gas exceeds the standard through the harmful gas concentration monitoring module, and timely sends out early warning to workers according to the sent voice alarm signal, thereby greatly ensuring the personal safety of the workers.
Description
Technical Field
The invention relates to an industrial waste gas monitoring and chimney anti-falling voice alarm embedded real-time control device based on CPS, and belongs to the technical field of industrial safety equipment.
Background
With the development of modern industry, industrial chimneys become ubiquitous in everyday life. The industrial chimney mainly has the functions of drawing fire and smoke, exhausting smoke and improving combustion conditions. The fire can generate smoke when burning materials, and the industrial smoke usually contains dust and harmful gases, which cause harm to human bodies and pollution to the environment. Although each enterprise strictly controls the concentration standard of harmful gases in industrial waste gas, the method still has defects, so that the concentration monitoring of the harmful gases in a chimney of the discharged gases is necessary to remind the enterprises of performing necessary purification treatment on the discharged gases, including whether the equipment for purifying the gases is damaged or not.
In addition, industrial chimneys are usually built very high, since the higher the chimney, the less pollution to the environment. Once collapsed, it is likely to cause worker casualties and financial loss. Therefore, the industrial chimney needs to be monitored, and once the collapse risk exists, the enterprise is informed in time, and preventive measures and necessary repair and maintenance are made.
The invention is sourced from funding of a basic research plan key project (202001AS070064) in Yunnan province, a technical innovation talent project (2019HB113) in Yunnan province and an industrial technical lead talent project (cloud development and personnel change [2019] 1096) in Yunnan province.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an embedded real-time control device for industrial waste gas monitoring and chimney fall-prevention voice alarm based on CPS, wherein the safety condition of an industrial chimney is monitored by a vibration sensor, whether the current industrial chimney is in a safe state or not and whether the concentration of harmful gas in the discharged industrial waste gas exceeds the standard or not is detected by a harmful gas concentration monitoring module, the data is sent to a server, the server can establish a database to manage and analyze the data, and a targeted scheme is designed for prevention and industrial improvement. And early warning is timely sent to workers according to the voice alarm signal, so that the personal safety of the workers is greatly ensured. In addition, the factory is timely reminded of purifying harmful gases according to the feedback data and the voice alarm signal, and the environment is protected.
The technical scheme of the invention is as follows: the utility model provides an industrial waste gas monitoring and embedded real-time control device of voice alarm is prevented down to chimney based on CPS, includes solar energy power module, harmful gas concentration monitoring module, chimney safety detection module, STM32 single chip module, voice alarm module, NB-IOT communication module, NB-IOT basic station, high in the clouds server, terminal monitoring facilities.
The system comprises a harmful gas concentration monitoring module, a chimney safety detection module, an STM32 single chip microcomputer, an STM32 single chip microcomputer, an NB-IOT communication module and an NB-IOT base station, wherein the NB-IOT communication module is connected with the NB-IOT base station, the NB-IOT base station receives data sent by harmful gas concentration monitoring and industrial chimney anti-falling voice alarm equipment through NB-IOT radio frequency, and wirelessly forwards the data to a cloud server through a Socket protocol on a TCP/IP network transmission protocol. The cloud server receives the data forwarded by the NB-IOT base station, after the data are stored, a database can be added into the server, the data items are stored and the characteristics are extracted, the special data are normalized, then the obtained data are learned, a model is trained, the internal rules in the obtained data are analyzed, the collected abnormal data items are analyzed, and a wide conclusion is obtained for future improvement. And sharing or displaying the monitored harmful gas concentration data and the anti-backflow pre-alarm information of the industrial chimney to terminal monitoring equipment of a user through a TCP/IP protocol.
The other L type support that is equipped with of industrial chimney is equipped with annular solar panel on the short support of the horizontal direction of L type support, and the inside diameter of annular solar panel is greater than industrial chimney mouth diameter, and the short support of horizontal direction of L type support is equipped with gaseous detector, avoids influencing the original normal work of industrial chimney to the at utmost. The gas detector is connected with the storage battery and the control circuit board in the shell of the device through the internal circuit of the bracket. Meanwhile, a chimney safety detection module is arranged in the device shell, the chimney safety detection module is arranged on the outer wall of the industrial chimney and connected with the storage battery and the control circuit board, the device shell is connected with an L-shaped support, and the L-shaped support is arranged on the industrial chimney.
The solar power supply module comprises a solar power generation module and a voltage reduction and stabilization module and is used for saving energy. In addition, the voltage and current supplied by the solar cell to provide direct current are unstable, and the solar power controller and inverter need to convert them to the voltage and current required by the end load or the grid. However, it is necessary to protect the controller and the inverter from ESD and other electromagnetic interference, so the device also takes corresponding electrostatic protection measures in the circuit.
The solar power generation module comprises a CN3722 solar charging management chip, a storage battery interface JP1, a solar battery interface BAT, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a resistor R1, a resistor 2, a resistor 3, a resistor 4, a resistor 5, a resistor 6, a resistor 7, a resistor 8, a resistor R27, a resistor R28, a diode D1, a diode D2, a photodiode D3, an inductor L1, a P-channel MOS field effect transistor M1, a P-channel MOS field effect transistor M2, a CMOS3 and a charging current detection resistor RCS.
The pin No. 2 and the pin No. 3 of the CN3722 chip and the BAT interface of the solar cell are grounded simultaneously, the pin No. 1 of the CN3722 chip is connected with one end of a capacitor C5, the other end of the capacitor C5 is connected with one end of a solar panel interface JP1 and one end of a capacitor C1, the other end of the capacitor C1 is grounded, the pin No. 4 and the pin No. 5 of the CN3722 chip are connected with one end of a photodiode D3, the other end of the photodiode D3 is connected with one end of a resistor R5, the other end of the resistor R5 and the pin No. 15 of the MC3722 chip are connected with the ungrounded end of the capacitor C1 and the storage battery interface JP1, the pin No. 7 of the MC3722 chip is connected with one end of a resistor R8 and a resistor 686R 8, the other end of the resistor R8 is connected with the other end of the storage battery interface JP1 and the ungrounded end of the capacitor C1, the other end of the resistor R3 is grounded, the pin No. 6 of the MC3722 chip is connected with one end of the resistor R2, the capacitor C2 is grounded, pin 8 of the MC3722 chip is connected to one end of a capacitor C3, the other end of the capacitor C3 is connected to ground, pin 9 of the MC3722 chip is connected to one end of a R4, the other end of a resistor R4 and one end of a capacitor C4, the capacitor C4 is connected to ground, pin 10 of the MC3722 chip is connected to one end of a capacitor C7, the other end of the capacitor C7 is connected to pin 14 of the MC3722 chip and one end of a capacitor C6, one end of a charging current detection resistor RCS and a battery BAT interface, the other end of a capacitor C6 is connected to ground, the other end of the battery BAT interface is also connected to ground, pin 13 of the MC3722 chip is connected to one end of the charging current detection resistor RCS and one end of an inductor L1, the other end of the charging current detection resistor RCS is connected to one end of a capacitor C7, pin 14 of the MC 22 chip, the ungrounded end of the capacitor C6 and one end of the battery BAT interface ungrounded, pin 16 of the MC3722 chip is connected to one end of a mosfet M1 and a mosfet 1, the other end of the diode D1 is connected with one end of the diode D2 and one end of the inductor, the other end of the diode D2 is grounded, the other end of the inductor L1 is connected with the pin No. 13 of the MC3722 chip and one end of the charging current detection resistor RCS, the pin No. 9, the pin No. 10, the pin No. 13 and the pin No. 14 of the MC3722 chip are connected with one ends of resistors R27 and M2, the other end of the resistor R27 is connected with one ends of the CMOS3 and M2, the other ends of the CMOS3 and M2 are grounded, the third end of the CMOS3 is connected with the resistor R28, and the other end of the resistor R28 is grounded.
The buck voltage stabilizing module comprises an MP1842 chip, an inductor L2, a capacitor C8, a capacitor C9, a capacitor C11, a polar capacitor C10, a resistor R9, a resistor R10 and a resistor R11.
The pin No. 1 of the MP1482 chip is connected with one end of a capacitor C8, the other end of the capacitor C8 is connected with one end of an inductor L2 and the pin No. 3 of the MP1482 chip, the other end of the capacitor L2 is connected with one end of a resistor R10, one end of a polar capacitor C10, a 3.3V power supply and one end of a capacitor C11, the other end of the resistor R10 is connected with one end of a resistor R11 and the pin No. 5 of the MP1482 chip, the other end of the resistor R11 is connected with the pin No. 5 of the MP1482 chip, the other end of the polar capacitor C10 is connected with the pin No. 5 of the MP1482 and the ground, the other end of the capacitor C11 is connected with the pin No. 5 of the MP1482 and the ground, the pin No. 2 of the MP1482 chip is connected with the 5V power supply, the pin No. 7 of the MP1482 chip is connected with the 3.3V power supply, the pin No. 8 of the MP1482 chip is connected with a 24V storage battery and the ground, the MP1482 chip is connected with one end of the pin No. 6 of the capacitor C9, the other end of the capacitor C45 is connected with one end of the resistor R8536, and the other end of the MP1482 chip is connected with the ground.
The STM32 single chip microcomputer module is mainly supplied with power by a solar power supply, monitored information is transmitted to the STM32 single chip microcomputer module by the harmful gas concentration monitoring module and the chimney safety detection module, the STM32 single chip microcomputer module processes the information, and if the harmful gas concentration exceeds the standard and the chimney generates abnormal vibration, a control signal is sent to the voice alarm module to alarm. And sends the necessary information to the NB-IOT communication module. The STM32 single chip microcomputer module can be used for appointing own class application layer protocol format aiming at different enterprise applications, and editing own unique information format to prevent attacks, thereby being more practical. The STM32 single chip microcomputer module comprises an STM32F103CBT6 chip, a resistor R12, a resistor R13, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a crystal oscillator Y1 and a crystal oscillator Y2.
The chimney safety detection module comprises a SW420 chip, an LM393 chip, a resistor R14, a slide rheostat R15, a resistor R16, a resistor R17, a capacitor C16, a capacitor C17, a light-emitting diode D4 and a light-emitting diode D5.
One end of the SW420 chip is grounded, the other end of the SW420 chip is connected with one end of a capacitor C17, one end of a resistor R16 and a pin No. 1 of an LM393, the other end of the capacitor C17 is grounded, the other end of the resistor R16 is connected with a slide rheostat R15, a resistor R17, a capacitor C16, a power indicator D4 and a switch indicator D5 and a pin No. 4 of the LM393, a slide sheet of the slide rheostat R15 is connected with a pin No. 2 of the LM393, the other end of the slide rheostat R15 is grounded, a pin No. 3 of the LM393 is connected with a pin No. 32 of an STM32F103CBT6 chip, a resistor R17 and a switch indicator D5, the other end of the power indicator D4 is connected with a resistor R14, and the other end of the resistor R14 and the capacitor C16 is grounded.
The chimney safety detection module comprises a SW420 chip, an LM393 chip, a resistor R14, a slide rheostat R15, a resistor R16, a resistor R17, a capacitor C16, a capacitor C17, a light-emitting diode D4 and a light-emitting diode D5.
One end of the SW420 chip is grounded, the other end of the SW420 chip is connected with one end of a capacitor C17, one end of a resistor R16 and a pin No. 1 of an LM393, the other end of the capacitor C17 is grounded, the other end of the resistor R16 is connected with a slide rheostat R15, a resistor R17, a capacitor C16, a power indicator D4 and a switch indicator D5 and a pin No. 4 of the LM393, a slide sheet of the slide rheostat R15 is connected with a pin No. 2 of the LM393, the other end of the slide rheostat R15 is grounded, a pin No. 3 of the LM393 is connected with a pin No. 32 of an STM32F103CBT6 chip, a resistor R17 and a switch indicator D5, the other end of the power indicator D4 is connected with a resistor R14, and the other end of the resistor R14 and the capacitor C16 is grounded.
The voice alarm module comprises an SOP8 chip, a capacitor C18, a capacitor C19 and a loudspeaker LS 1.
The NB-IOT communication module comprises a WB _ NB73 chip, a resistor R18, a capacitor C20 and a capacitor C21.
No. 1 pin, No. 3 pin, No. 4 pin, No. 26 pin, No. 39 pin and No. 40 pin of the WB _ NB73 chip are grounded, No. 7 pin of the WB _ NB73 chip is connected with No. 13 pin of the STM32F103CBT6 chip, No. 8 pin of the WB _ NB73 chip is connected with No. 12 pin of the STM32F103CBT6 chip, No. 41 pin and No. 42 pin of the WB _ NB73 chip are connected with one end of a capacitor C20, a capacitor C21 and a resistor R18, the other end of the capacitor C20 and the other end of the capacitor C21 are grounded, and the other end of the resistor R18 is connected with a 3.3V power supply.
The harmful gas concentration monitoring module comprises a signal amplifying circuit, a serial-parallel conversion circuit and a digital-to-analog conversion circuit.
The signal amplification circuit comprises various harmful gas concentration sensors, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a capacitor C22, a capacitor C23, a capacitor C24, a capacitor C25, a capacitor C26, a capacitor C27, a capacitor C28, a capacitor C29, an inductor L2, an inductor L3, an inductor L4, an inductor L5, a CMOS1, a CMOS2, a varactor D6, a varactor D7, a varactor D8, a varactor D9, a varactor D10, a varactor D11, a D12 and a varactor D13. The gas sensor is connected with a resistor R19, a resistor R19 is connected with one end of a varactor D6, a varactor D7, a varactor D8 and a varactor D9, the other ends of a varactor D8 and a varactor D9 are grounded, the other ends of a varactor D6 and a varactor D7 are connected with one end of an inductor L2, the other end of an inductor L2 is connected with one end of a capacitor C22, the other end of a capacitor C22 is connected with a capacitor C23, a resistor R21, a resistor R20 and a CMOS1, the other end of the capacitor 23 is connected with one end of a capacitor 24, one end of an inductor L3, one end of a CMOS1 and a No. 27 pin of an ADC0809 chip, the other end of the capacitor 24 is grounded, the other end of the inductor L3 is connected with a resistor R22, the other end of the resistor R22 is grounded, the other end of the resistor R21 is grounded, the other end of the resistor R20 is connected with a 5V power supply, one end of a capacitor C25, one end of a CMOS1, the other end of the capacitor C25 is grounded, and the other half of the circuit is grounded.
The serial-parallel conversion circuit is used for converting an 8-bit serial signal into a 1-bit parallel signal, and comprises a 74HC595 chip. Pin 1 of 74HC595 chip is connected to pin 20 of ADC0809 chip, pin 2 of 74HC595 chip is connected to pin 19 of ADC0809 chip, pin 3 of 74HC595 chip is connected to pin 18 of ADC0809 chip, pin 4 of 74HC595 chip is connected to pin 8 of ADC0809 chip, pin 5 of 74HC595 chip is connected to pin 15 of ADC0809 chip, pin 6 of 74HC595 chip is connected to pin 14 of ADC0809 chip, pin 7 of 74HC595 chip is connected to pin 17 of ADC0809 chip, pin 8 of 74HC595 chip is grounded, pin 10, pin 13, pin 16 of 74HC595 chip are connected to 5V power supply, pin 11 of 74HC595 chip is connected to pin 39 of F32 CBT6 chip, pin 12 of 74HC595 chip is connected to pin 40 of STM32F103CBT6 chip, pin 14 of 74HC595 chip is connected to pin 41 of STM32F103CBT6 chip.
The digital-to-analog conversion circuit comprises an ADC0809 chip. Pin 6 of ADC0809 chip is connected with pin 42 of STM32F103CBT6 chip and pin 22 of ADC0809 chip, pin 7 of ADC0809 chip is connected with pin 44 of STM32F103CBT6 chip, pin 8 of ADC0809 chip is connected with pin 4 of 74HC595 chip, pin 9 of ADC0809 chip is connected with pin 43 of STM32F103CBT6 chip, pin 10 of ADC0809 chip is connected with pin 45 of STM32F103CBT6 chip, pin 11 and pin 12 of ADC0809 chip are connected with 5V power supply, pin 13, pin 16, pin 23, pin 24 and pin 25 of ADC0809 chip are grounded, pin 14 of ADC0809 chip is connected with pin 6 of 74HC595 chip, pin 15 of ADC0809 chip is connected with pin 5 of 74HC595 chip, pin 17 of ADC0809 chip is connected with pin 7 of 74 595, pin 74, pin 0809 of 0809 is connected with pin 18 of ADC0809, pin 0809 and pin 19 of ADC0809, the No. 21 pin of the ADC0809 chip is connected with the No. 15 pin of the 74HC595 chip, and the No. 26 pin, the No. 27 pin, the No. 28 pin, the No. 1 pin, the No. 2 pin, the No. 3 pin, the No. 4 pin and the No. 5 pin of the ADC0809 chip are connected with signal amplifying circuits of the gas sensors.
The invention has the beneficial effects that:
1. the safety condition of the chimney can be monitored in real time through the chimney safety detection module, if the chimney vibrates abnormally, collapse danger is possibly caused, a pulse signal is sent to the single chip microcomputer module, the single chip microcomputer module sends a message to the voice alarm module, the voice alarm module sends out warning information to remind factory personnel of paying attention to personal safety, people are evacuated in time and sent to the NB-IOT communication module, the NB-IOT communication module sends the message to the NB-IOT base station, the NB-IOT base station receives data sent by the industrial chimney collapse prevention voice alarm device through NB-IOT radio frequency, and wireless forwarding is carried out on a cloud server through a Socket protocol on a TCP/IP network transmission protocol; the cloud server receives the data forwarded by the NB-IOT base station, and after the data are stored, the cloud server sends information to relevant factory personnel through a TCP/IP protocol to take measures in time, so that casualties are greatly avoided.
2. The invention can monitor whether the harmful gas discharged by a factory exceeds the standard or not and whether a harmful gas purifying device of the factory breaks down or not in real time through the harmful gas concentration monitoring module. The harmful gas concentration monitoring module sends a pulse signal to the single-chip microcomputer module, the single-chip microcomputer module sends a message to the voice alarm module and the NB-IOT communication module, the voice alarm module sends alarm information, the NB-IOT communication module sends the information to the NB-IOT base station, the NB-IOT base station receives data sent by the harmful gas concentration monitoring module through NB-IOT radio frequency, and the data are wirelessly forwarded to the cloud server through a Socket protocol on a TCP/IP network transmission protocol; the cloud server receives the data forwarded by the NB-IOT base station, after the data are stored, a database can be added into the server, the data items are stored and the characteristics are extracted, the special data are normalized, then the obtained data are learned, a model is trained, the internal rules in the obtained data are analyzed, the collected abnormal data items are analyzed, and a wide conclusion is obtained for future improvement. And information is sent to factory management personnel or relevant environmental protection departments through a TCP/IP protocol, so that harmful gas purification equipment is maintained in time, and environmental pollution is avoided.
3. The solar energy power generation system utilizes the solar power generation panel to generate power, stores electric energy in the storage battery to supply power to the whole system, and accords with the concepts of energy conservation and environmental protection.
Drawings
FIG. 1 is a block diagram of a system of the present invention;
FIG. 2 is a circuit diagram of a solar power module of the present invention;
FIG. 3 is a circuit diagram of the 24V buck 3.3V buck regulator module of the present invention;
FIG. 4 is a circuit diagram of an NB-IOT communication module of the present invention;
FIG. 5 is a circuit diagram of an STM32 single chip microcomputer module and a voice alarm module of the invention;
FIG. 6 is a circuit diagram of a chimney security detection module of the present invention;
FIG. 7 is a circuit diagram of a harmful gas concentration monitoring module according to the present invention;
fig. 8 is an external view of the present invention.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
Example 1: as shown in fig. 1, the CPS-based embedded real-time industrial waste gas monitoring and chimney fall-prevention voice alarm control device comprises a solar power supply module 1, a harmful gas concentration monitoring module 2, a chimney safety detection module 3, an STM32 single chip microcomputer module 4, a voice alarm module 5, an NB-IOT communication module 6, an NB-IOT base station 7, a cloud server 8-1 and a terminal monitoring device 8-2; the harmful gas concentration monitoring module 2 and the chimney safety detection module 3 are connected with the STM32 single-chip microcomputer 4. STM32 singlechip 4 links to each other 6 with NB-IOT communication module 5 and voice alarm module. The NB-IOT communication module 6 is connected with an NB-IOT base station 7, the NB-IOT base station 7 receives data sent by harmful gas concentration monitoring and industrial chimney anti-falling voice alarm equipment through NB-IOT radio frequency, and wirelessly forwards the data to a cloud server through a Socket protocol on a TCP/IP network transmission protocol; the cloud server receives the data forwarded by the NB-IOT base station, after the data are stored, a database can be added into the server, the data items are stored and the characteristics are extracted, the special data are normalized, then the obtained data are learned, a model is trained, the internal rules in the obtained data are analyzed, the collected abnormal data items are analyzed, and a wide conclusion is obtained for future improvement. And sharing or displaying the monitored harmful gas concentration data and the anti-falling pre-alarm information of the industrial chimney to the terminal monitoring equipment 8-2 of the user through a TCP/IP protocol.
The solar power supply module 1 supplies power to other modules. The solar power supply module comprises a solar power generation module 1-1, a voltage reduction and stabilization module 1-2, a solar power generation panel 1-3 and a storage battery 1-4; the solar power generation module 1-1 can convert light energy into electric energy by using the solar power generation panel 1-31, redundant electric energy is stored in the storage battery 1-4, and power is supplied to equipment when sunlight is insufficient, at night or in rainy days. The voltage reduction and stabilization module 1-2 converts the 24V voltage into 3.3V voltage to supply power to each module, and prevents the circuit from being burnt out due to overhigh voltage. In addition, the solar power generation module is added with an electrostatic protection measure, the voltage and the current of the direct current provided by the solar battery are unstable, and the solar power supply controller and the inverter need to convert the voltage and the current into the voltage and the current required by a terminal load or a power grid. It is necessary to avoid the controller and inverter from ESD and other electromagnetic interference damage.
As shown in figure 8, an L-shaped support 11 is welded beside the industrial chimney, an annular solar panel 1-3 is welded on a short support in the horizontal direction of the L-shaped support 11, the inner diameter of the annular solar panel is larger than the diameter of the opening of the industrial chimney, and a gas detector 2-1 is welded at the tail end of the short support in the horizontal direction of the L-shaped support 11, so that the influence on the original normal work of the industrial chimney is avoided to the greatest extent. The gas detector 2-1 is connected to the storage battery 1-4 and the control circuit board 12 in the device housing 14 through the internal wiring of the holder. Meanwhile, a chimney safety detection module 3 is arranged in the device shell 13, and the chimney safety detection module 3 is welded on the outer wall of the industrial chimney and is connected with the storage batteries 1-4 and the control circuit board 12. The device shell 13 is welded with the L-shaped bracket 11, and the L-shaped bracket 11 is welded on the industrial chimney.
As shown in fig. 2, the solar power generation module 1-1 includes a CN3722 solar charging management chip, a storage battery interface JP1, a solar battery interface BAT, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a resistor R1, a resistor 2, a resistor 3, a resistor 4, a resistor 5, a resistor 6, a resistor 7, a resistor 8, a resistor R27, a resistor R28, a diode D1, a diode D2, a photodiode D3, an inductor L1, a P-channel MOS field effect transistor M1, a P-channel MOS field effect transistor M2, a CMOS3, and a charging current detection resistor RCS. And the No. 2 pin and the No. 3 pin of the CN3722 chip and the solar battery BAT interface are simultaneously grounded. The No. 1 pin of the CN3722 chip is connected with one end of a capacitor C5, the other end of the capacitor C5 is connected with one end of a solar panel interface JP1 and one end of a capacitor C1, and the other end of the capacitor C1 is grounded. The No. 4 pin and the No. 5 pin of the CN3722 chip are connected with one end of the photodiode D3, the other end of the photodiode D3 is connected with one end of a resistor R5, and the other end of the resistor R5 and the No. 15 pin of the MC3722 chip are simultaneously connected with the ungrounded end of the capacitor C1 and the storage battery interface JP 1. The No. 7 pin of the MC3722 chip is connected with one ends of a resistor R8 and a resistor R3, the other end of the resistor R8 is connected with the ungrounded end of the storage battery interface JP1 and the capacitor C1, and the other end of the resistor R3 is grounded. The No. 6 pin of the MC3722 chip is connected with one end of a resistor R2, and the other end of the resistor R2 is grounded. The No. 11 pin of the MC3722 chip is connected to one end of a capacitor C2, and the other end of the capacitor C2 is grounded. The No. 8 pin of the MC3722 chip is connected to one end of a capacitor C3, and the other end of the capacitor C3 is grounded. The No. 9 pin of the MC3722 chip is connected with one end of the R4, the other end of the resistor R4 and one end of the capacitor C4, and the capacitor C4 is grounded. The No. 10 pin of the MC3722 chip is connected with one end of a capacitor C7, the other end of the capacitor C7 is connected with the No. 14 pin of the MC3722 chip, one end of a capacitor C6, one end of a charging current detection resistor RCS and a storage battery BAT interface, the other end of the capacitor C6 is grounded, and the other end of the storage battery BAT interface is also grounded. The No. 13 pin of the MC3722 chip is connected with one end of a charging current detection resistor RCS and one end of an inductor L1, and the other end of the charging current detection resistor RCS is connected with one end of a capacitor C7, the No. 14 pin of the MC3722 chip, the ungrounded end of a capacitor C6 and the ungrounded end of a BAT interface. Pin 16 of the MC3722 chip is connected to one end of a P-channel MOS fet M1, the other end of the P-channel MOS fet M1 is connected to one end of a diode D1, the other end of the diode D1 is connected to one end of a diode D2 and one end of an inductor, the other end of the diode D2 is grounded, and the other end of the inductor L1 is connected to pin 13 of the MC3722 chip and one end of a charging current detection resistor RCS. The No. 9 pin, the No. 10 pin, the No. 13 pin and the No. 14 pin of the MC3722 chip are connected with one ends of resistors R27 and M2, the other end of the resistor R27 is connected with one ends of CMOS3 and M2, the other ends of CMOS3 and M2 are grounded, the third end of the CMOS3 is connected with the resistor R28, and the other end of the resistor R28 is grounded.
As shown in fig. 3, the buck regulator module 1-2 includes an MP1842 chip, an inductor L2, a capacitor C8, a capacitor C9, a capacitor C11, a polar capacitor C10, a resistor R9, a resistor R10, and a resistor R11; the No. 1 pin of the MP1482 chip is connected to one end of a capacitor C8, the other end of the capacitor C8 is connected to one end of an inductor L2 and the No. 3 pin of the MP1482 chip, the other end of the capacitor L2 is connected to one end of a resistor R10, one end of a polar capacitor C10, a 3.3V power supply and one end of a capacitor C11, the other end of the resistor R10 is connected to one end of a resistor R11 and the No. 5 pin of the MP1482 chip, the other end of the resistor R11 is connected to the No. 5 pin of the MP1482 chip, the other end of the polar capacitor C10 is connected to the No. 5 pin of the MP1482 and the ground, and the other end of the capacitor C11 is connected to the No. 5 pin of the MP1482 and the ground. Pin 2 of MP1482 chip is connected to 5V power supply. Pin 7 of MP1482 chip is connected to 3.3V power supply. The No. 8 pin of the MP1482 chip is connected with a 24V storage battery and the ground. The No. 6 pin of the MP1482 chip is connected to one end of a capacitor C9, the other end of the capacitor C9 is connected to one end of a resistor R9, and the other end of the resistor R9 is grounded. Pin No. 4 of the MP1482 chip is grounded.
As shown in fig. 4, the NB-IOT communication module 6 includes a WB _ NB73 chip, a resistor R18, a capacitor C20, and a capacitor C21; no. 1 pin, No. 3 pin, No. 4 pin, No. 26 pin, No. 39 pin and No. 40 pin of the WB _ NB73 chip are grounded, No. 7 pin of the WB _ NB73 chip is connected with No. 13 pin of the STM32F103CBT6 chip, No. 8 pin of the WB _ NB73 chip is connected with No. 12 pin of the STM32F103CBT6 chip, No. 41 pin and No. 42 pin of the WB _ NB73 chip are connected with one end of a capacitor C20, a capacitor C21 and a resistor R18, the other end of the capacitor C20 and the other end of the capacitor C21 are grounded, and the other end of the resistor R18 is connected with a 3.3V power supply.
As shown in fig. 5, the STM32 single chip microcomputer module 4 comprises an STM32F103CBT6 chip, a resistor R12, a resistor R13, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a crystal oscillator Y1 and a crystal oscillator Y2; pin 8, pin 23, pin 36 and pin 48 of the STM32F103CBT6 chip are grounded, pin 1, pin 24, pin 35 and pin 47 of the STM32F103CBT6 chip are connected to a 3.3V power supply, pin 3 of the STM32F103CBT6 chip is connected to one end of a capacitor C12 and a crystal Y1, the other end of the capacitor C12 is grounded, the other end of the crystal Y1 is connected to one end of a capacitor C13 and pin 4 of the STM32F103CBT6 chip, pin 5 of the STM32F103CBT6 chip is connected to one end of a capacitor C14 and a crystal Y82 2, the other end of the crystal Y2 is connected to one end of a capacitor C15, the other ends of a capacitor C14 and a capacitor C15 are grounded, pin 46 of the STM F103CBT6 chip is connected to one end of a resistor R12, the other end of a resistor R12, the other end of the pin 3.3V power supply, pin 103F 32F 103F 72 and pin 12 of the STM F12 are connected to a negative terminal pin RX pin 12 of the STM32F 12, pin 12 of the STM32F 12 chip is connected to a positive terminal of the STM32 b 12 chip 12, the terminal of the STM32F 12 chip 12 b 12 chip, the No. 32 pin of the STM32F103CBT6 chip is connected with the D0 pin of the LM393 chip, the No. 39 pin of the STM32F103CBT6 chip is connected with the No. 11 pin of the 74HC595 chip, the No. 40 pin of the STM32F103CBT6 chip is connected with the No. 12 pin of the 74HC595 chip, the No. 41 pin of the STM32F103CBT6 chip is connected with the No. 14 pin of the 74HC595 chip, the No. 26 pin of the STM32F103CBT6 chip is connected with one end of a resistor R13, and the other end of the resistor R13 is connected with the TG1 pin of the SOP8 chip. The STM32 single chip microcomputer module is mainly supplied with power by a solar power supply, monitored information is transmitted to the STM32 single chip microcomputer module by the harmful gas concentration monitoring module and the chimney safety detection module, the STM32 single chip microcomputer module processes the information, and if the harmful gas concentration exceeds the standard and the chimney generates abnormal vibration, a control signal is sent to the voice alarm module to alarm. And sends the necessary information to the NB-IOT communication module. The STM32 single chip microcomputer module can be used for appointing own class application layer protocol format aiming at different enterprise applications, and editing own unique information format to prevent attacks, thereby being more practical.
As shown in fig. 6, the chimney safety detection module 3 includes a SW420 chip, an LM393 chip, a resistor R14, a slide rheostat R15, a resistor R16, a resistor R17, a capacitor C16, a capacitor C17, a light emitting diode D4, and a light emitting diode D5; one end of the SW420 chip is grounded, the other end of the SW420 chip is connected with one end of a capacitor C17, one end of a resistor R16 and a pin No. 1 of an LM393, the other end of the capacitor C17 is grounded, the other end of the resistor R16 is connected with a slide rheostat R15, a resistor R17, a capacitor C16, a power indicator D4 and a switch indicator D5 and a pin No. 4 of the LM393, a slide sheet of the slide rheostat R15 is connected with a pin No. 2 of the LM393, the other end of the slide rheostat R15 is grounded, a pin No. 3 of the LM393 is connected with a pin No. 32 of an STM32F103CBT6 chip, a resistor R17 and a switch indicator D5, the other end of the power indicator D4 is connected with a resistor R14, and the other end of the resistor R14 and the capacitor C16 is grounded. Different alarming sounds are adjusted when different information is alarmed by adjusting the size of the resistor.
As shown in fig. 7, the harmful gas monitoring module includes a signal amplifying circuit, a serial-parallel conversion circuit, and a digital-to-analog conversion circuit.
The working process of the signal amplification circuit lies in that in a standby state, the gas sensor continuously monitors various industrial waste gas concentrations, when the industrial waste gas concentrations exceed a preset value, the sensor generates a voltage larger than a threshold voltage, then the oscillator starts to work to amplify the signals and transmit the signals to the digital-to-analog conversion circuit, a plurality of circuits can be connected according to application, not all the circuits are connected in the figure, the signal amplification circuit comprises various harmful gas concentration sensors, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a capacitor C22, a capacitor C23, a capacitor C24, a capacitor C25, a capacitor C26, a capacitor C27, a capacitor C28, a capacitor C29, an inductor L2, an inductor L3, an inductor L4, a CMOS 4, a varactor D72, a varactor D4 and D72, Varactor D11, varactor D12, varactor D13; the gas sensor is connected with a resistor R19, a resistor R19 is connected with one end of a varactor D6, a varactor D7, a varactor D8 and a varactor D9, the other ends of a varactor D8 and a varactor D9 are grounded, the other ends of a varactor D6 and a varactor D7 are connected with one end of an inductor L2, the other end of an inductor L2 is connected with one end of a capacitor C22, the other end of a capacitor C22 is connected with a capacitor C23, a resistor R21, a resistor R20 and a CMOS1, the other end of the capacitor 23 is connected with one end of a capacitor 24, one end of an inductor L3, one end of a CMOS1 and a No. 27 pin of an ADC0809 chip, the other end of the capacitor 24 is grounded, the other end of the inductor L3 is connected with a resistor R22, the other end of the resistor R22 is grounded, the other end of the resistor R21 is grounded, the other end of the resistor R20 is connected with a 5V power supply, one end of a capacitor C25, one end of a CMOS1, the other end of the capacitor C25 is grounded, and the other half of the circuit is grounded.
The serial-parallel conversion circuit is used for converting an 8-bit serial signal into a 1-bit parallel signal and comprises a 74HC595 chip; pin 1 of 74HC595 chip is connected to pin 20 of ADC0809 chip, pin 2 of 74HC595 chip is connected to pin 19 of ADC0809 chip, pin 3 of 74HC595 chip is connected to pin 18 of ADC0809 chip, pin 4 of 74HC595 chip is connected to pin 8 of ADC0809 chip, pin 5 of 74HC595 chip is connected to pin 15 of ADC0809 chip, pin 6 of 74HC595 chip is connected to pin 14 of ADC0809 chip, pin 7 of 74HC595 chip is connected to pin 17 of ADC0809 chip, pin 8 of 74HC595 chip is grounded, pin 10, pin 13, pin 16 of 74HC595 chip are connected to 5V power supply, pin 11 of 74HC595 chip is connected to pin 39 of F32 CBT6 chip, pin 12 of 74HC595 chip is connected to pin 40 of STM32F103CBT6 chip, pin 14 of 74HC595 chip is connected to pin 41 of STM32F103CBT6 chip.
The digital-to-analog conversion circuit is used for carrying out analog-to-digital conversion, and in order to be connected with the STM32 singlechip, an ADC0809 chip is selected for the system to carry out analog-to-digital conversion on the acquired gas information. The resolution ratio is 8 bits, zero point and full scale adjustment are not needed, the high impedance chopper stabilization comparator is provided, and meanwhile, a serial-parallel converter is used, and a multi-way switch with 8 channels can directly access any one of 8 single-ended analog signals. The A/D converter is started by writing of the single chip microcomputer, after conversion is finished, an interrupt request signal is sent to the STM32 single chip microcomputer by the ADC0809 chip, and the CPU responds to the interrupt request. The conversion result is read by a read operation of the decoder and sent to the corresponding memory area to be measured. Reselecting the measured object, starting A/D conversion again, and then interrupting and returning, wherein the ADC0809 chip is included; pin 6 of ADC0809 chip is connected with pin 42 of STM32F103CBT6 chip and pin 22 of ADC0809 chip, pin 7 of ADC0809 chip is connected with pin 44 of STM32F103CBT6 chip, pin 8 of ADC0809 chip is connected with pin 4 of 74HC595 chip, pin 9 of ADC0809 chip is connected with pin 43 of STM32F103CBT6 chip, pin 10 of ADC0809 chip is connected with pin 45 of STM32F103CBT6 chip, pin 11 and pin 12 of ADC0809 chip are connected with 5V power supply, pin 13, pin 16, pin 23, pin 24 and pin 25 of ADC0809 chip are grounded, pin 14 of ADC0809 chip is connected with pin 6 of 74HC595 chip, pin 15 of ADC0809 chip is connected with pin 5 of 74HC595 chip, pin 17 of ADC0809 chip is connected with pin 7 of 74 595, pin 74, pin 0809 of 0809 is connected with pin 18 of ADC0809, pin 0809 and pin 19 of ADC0809, the No. 21 pin of the ADC0809 chip is connected with the No. 15 pin of the 74HC595 chip, and the No. 26 pin, the No. 27 pin, the No. 28 pin, the No. 1 pin, the No. 2 pin, the No. 3 pin, the No. 4 pin and the No. 5 pin of the ADC0809 chip are connected with signal amplifying circuits of the gas sensors.
The specific communication mode and the function of the cloud server 8-1 and the terminal monitoring device 8-2 comprise that firstly, the connection is carried out through a socket based on a TCP/IP protocol, so that the stability is higher, and the information is not easy to make mistakes. The IP address and port number may uniquely identify a process on a device. In application, the client and the server can agree with own unique application layer protocols for transmitting harmful gas concentration data and industrial chimney collapse prevention information, are more targeted, and are suitable for being used in enterprises. Multithreading can be introduced into the communication between the client and the server, and the introduction of multithreading enables an originally single executed process to simultaneously execute multiple services, so that the real-time performance can be ensured, the information processing can be accelerated, and the high real-time performance between the physical equipment and software conforms to the idea of a modern information physical system. If necessary, a database can be added into the client or the server to store and extract the characteristics of the data items, the special data is normalized, the obtained data is learned, a model is trained, the internal rules in the model are analyzed, and the collected abnormal data items are analyzed to obtain a wide conclusion for future improvement.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides an industrial waste gas monitoring and embedded real-time control device of voice alarm is prevented down to chimney based on CPS which characterized in that: the system comprises a solar power supply module (1), a harmful gas concentration monitoring module (2), a chimney safety detection module (3), an STM32 single-chip microcomputer module (4), a voice alarm module (5), an NB-IOT communication module (6), an NB-IOT base station (7), a cloud server (8-1) and terminal monitoring equipment (8-2);
the system comprises a harmful gas concentration monitoring module (2) and a chimney safety detection module (3), wherein the STM32 single chip microcomputer is connected with an STM32 single chip microcomputer, an NB-IOT communication module (6) and a voice alarm module (5) are connected with the STM32 single chip microcomputer, the NB-IOT communication module (6) is connected with an NB-IOT base station (7), the NB-IOT base station (7) receives data sent by harmful gas concentration monitoring and industrial chimney anti-falling voice alarm equipment through NB-IOT radio frequency, and wirelessly forwards the data to a cloud server (8-1) through a Socket protocol on a TCP/IP network transmission protocol; the cloud server (8-1) receives the data forwarded by the NB-IOT base station (7), stores the data, and shares or displays the monitored harmful gas concentration data and the anti-falling pre-alarm information of the industrial chimney to the terminal monitoring equipment (8-2) of the user through a TCP/IP protocol;
an L-shaped support (11) is arranged beside an industrial chimney, an annular solar panel (1-3) is arranged on a short support in the horizontal direction of the L-shaped support (11), the inner diameter of the annular solar panel is larger than the diameter of an opening of the industrial chimney, a gas detector (2-1) is arranged at the tail end of the short support in the horizontal direction of the L-shaped support (11), the gas detector (2-1) is connected with a storage battery (1-4) and a control circuit board (12) in a device shell (14) through a circuit in the support, a chimney safety detection module (3) is arranged in the device shell (13), the chimney safety detection module (3) is arranged on the outer wall of the industrial chimney and connected with the storage battery (1-4) and the control circuit board (12), the device shell (13) is connected with the L-shaped support (11), and the L-shaped support (11) is arranged on the industrial chimney.
2. The CPS-based industrial waste gas monitoring and chimney collapse prevention voice alarm embedded real-time control device as claimed in claim 1, wherein: the solar power supply module (1) comprises a solar power generation module (1-1) and a voltage reduction and stabilization module (1-2);
the solar power generation module (1-1) comprises a CN3722 solar charging management chip, a storage battery interface JP1, a solar battery interface BAT, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a resistor R1, a resistor 2, a resistor 3, a resistor 4, a resistor 5, a resistor 6, a resistor 7, a resistor 8, a resistor R27, a resistor R28, a diode D1, a diode D2, a photodiode D3, an inductor L1, a P-channel MOS field effect transistor M1, a P-channel MOS field effect transistor M2, a CMOS3 and a charging current detection resistor RCS;
the pin No. 2 and the pin No. 3 of the CN3722 chip and the BAT interface of the solar cell are grounded simultaneously, the pin No. 1 of the CN3722 chip is connected with one end of a capacitor C5, the other end of the capacitor C5 is connected with one end of a solar panel interface JP1 and one end of a capacitor C1, the other end of the capacitor C1 is grounded, the pin No. 4 and the pin No. 5 of the CN3722 chip are connected with one end of a photodiode D3, the other end of the photodiode D3 is connected with one end of a resistor R5, the other end of the resistor R5 and the pin No. 15 of the MC3722 chip are connected with the ungrounded end of the capacitor C1 and the storage battery interface JP1, the pin No. 7 of the MC3722 chip is connected with one end of a resistor R8 and a resistor 686R 8, the other end of the resistor R8 is connected with the other end of the storage battery interface JP1 and the ungrounded end of the capacitor C1, the other end of the resistor R3 is grounded, the pin No. 6 of the MC3722 chip is connected with one end of the resistor R2, the capacitor C2 is grounded, pin 8 of the MC3722 chip is connected to one end of a capacitor C3, the other end of the capacitor C3 is connected to ground, pin 9 of the MC3722 chip is connected to one end of a R4, the other end of a resistor R4 and one end of a capacitor C4, the capacitor C4 is connected to ground, pin 10 of the MC3722 chip is connected to one end of a capacitor C7, the other end of the capacitor C7 is connected to pin 14 of the MC3722 chip and one end of a capacitor C6, one end of a charging current detection resistor RCS and a battery BAT interface, the other end of a capacitor C6 is connected to ground, the other end of the battery BAT interface is also connected to ground, pin 13 of the MC3722 chip is connected to one end of the charging current detection resistor RCS and one end of an inductor L1, the other end of the charging current detection resistor RCS is connected to one end of a capacitor C7, pin 14 of the MC 22 chip, the ungrounded end of the capacitor C6 and one end of the battery BAT interface ungrounded, pin 16 of the MC3722 chip is connected to one end of a mosfet M1 and a mosfet 1, the other end of the diode D1 is connected with one end of the diode D2 and one end of the inductor, the other end of the diode D2 is grounded, the other end of the inductor L1 is connected with the pin No. 13 of the MC3722 chip and one end of the charging current detection resistor RCS, the pin No. 9, the pin No. 10, the pin No. 13 and the pin No. 14 of the MC3722 chip are connected with one ends of resistors R27 and M2, the other end of the resistor R27 is connected with one ends of the CMOS3 and M2, the other ends of the CMOS3 and M2 are grounded, the third end of the CMOS3 is connected with the resistor R28, and the other end of the resistor R28 is grounded;
the voltage reduction and stabilization module (1-2) comprises an MP1842 chip, an inductor L2, a capacitor C8, a capacitor C9, a capacitor C11, a polar capacitor C10, a resistor R9, a resistor R10 and a resistor R11;
the pin No. 1 of the MP1482 chip is connected with one end of a capacitor C8, the other end of the capacitor C8 is connected with one end of an inductor L2 and the pin No. 3 of the MP1482 chip, the other end of the capacitor L2 is connected with one end of a resistor R10, one end of a polar capacitor C10, a 3.3V power supply and one end of a capacitor C11, the other end of the resistor R10 is connected with one end of a resistor R11 and the pin No. 5 of the MP1482 chip, the other end of the resistor R11 is connected with the pin No. 5 of the MP1482 chip, the other end of the polar capacitor C10 is connected with the pin No. 5 of the MP1482 and the ground, the other end of the capacitor C11 is connected with the pin No. 5 of the MP1482 and the ground, the pin No. 2 of the MP1482 chip is connected with the 5V power supply, the pin No. 7 of the MP1482 chip is connected with the 3.3V power supply, the pin No. 8 of the MP1482 chip is connected with a 24V storage battery and the ground, the MP1482 chip is connected with one end of the pin No. 6 of the capacitor C9, the other end of the capacitor C45 is connected with one end of the resistor R8536, and the other end of the MP1482 chip is connected with the ground.
3. The CPS-based industrial waste gas monitoring and chimney collapse prevention voice alarm embedded real-time control device as claimed in claim 1, wherein: the STM32 single-chip microcomputer module (4) comprises an STM32F103CBT6 chip, a resistor R12, a resistor R13, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a crystal oscillator Y1 and a crystal oscillator Y2;
pin 8, pin 23, pin 36 and pin 48 of the STM32F103CBT6 chip are grounded, pin 1, pin 24, pin 35 and pin 47 of the STM32F103CBT6 chip are connected to a 3.3V power supply, pin 3 of the STM32F103CBT6 chip is connected to one end of a capacitor C12 and a crystal Y1, the other end of the capacitor C12 is grounded, the other end of the crystal Y1 is connected to one end of a capacitor C13 and pin 4 of the STM32F103CBT6 chip, pin 5 of the STM32F103CBT6 chip is connected to one end of a capacitor C14 and a crystal Y82 2, the other end of the crystal Y2 is connected to one end of a capacitor C15, the other ends of a capacitor C14 and a capacitor C15 are grounded, pin 46 of the STM F103CBT6 chip is connected to one end of a resistor R12, the other end of a resistor R12, the other end of the pin 3.3V power supply, pin 103F 32F 103F 72 and pin 12 of the STM F12 are connected to a negative terminal pin RX pin 12 of the STM32F 12, pin 12 of the STM32F 12 chip is connected to a positive terminal of the STM32 b 12 chip 12, the terminal of the STM32F 12 chip 12 b 12 chip, the No. 32 pin of the STM32F103CBT6 chip is connected with the D0 pin of the LM393 chip, the No. 39 pin of the STM32F103CBT6 chip is connected with the No. 11 pin of the 74HC595 chip, the No. 40 pin of the STM32F103CBT6 chip is connected with the No. 12 pin of the 74HC595 chip, the No. 41 pin of the STM32F103CBT6 chip is connected with the No. 14 pin of the 74HC595 chip, the No. 26 pin of the STM32F103CBT6 chip is connected with one end of a resistor R13, and the other end of the resistor R13 is connected with the TG1 pin of the SOP8 chip.
4. The CPS-based industrial waste gas monitoring and chimney collapse prevention voice alarm embedded real-time control device as claimed in claim 1, wherein: the chimney safety detection module (3) comprises a SW420 chip, an LM393 chip, a resistor R14, a slide rheostat R15, a resistor R16, a resistor R17, a capacitor C16, a capacitor C17, a light-emitting diode D4 and a light-emitting diode D5;
one end of the SW420 chip is grounded, the other end of the SW420 chip is connected with one end of a capacitor C17, one end of a resistor R16 and a pin No. 1 of an LM393, the other end of the capacitor C17 is grounded, the other end of the resistor R16 is connected with a slide rheostat R15, a resistor R17, a capacitor C16, a power indicator D4 and a switch indicator D5 and a pin No. 4 of the LM393, a slide sheet of the slide rheostat R15 is connected with a pin No. 2 of the LM393, the other end of the slide rheostat R15 is grounded, a pin No. 3 of the LM393 is connected with a pin No. 32 of an STM32F103CBT6 chip, a resistor R17 and a switch indicator D5, the other end of the power indicator D4 is connected with a resistor R14, and the other end of the resistor R14 and the capacitor C16 is grounded.
5. The CPS-based industrial waste gas monitoring and chimney collapse prevention voice alarm embedded real-time control device as claimed in claim 1, wherein: the chimney safety detection module (3) comprises a SW420 chip, an LM393 chip, a resistor R14, a slide rheostat R15, a resistor R16, a resistor R17, a capacitor C16, a capacitor C17, a light-emitting diode D4 and a light-emitting diode D5;
one end of the SW420 chip is grounded, the other end of the SW420 chip is connected with one end of a capacitor C17, one end of a resistor R16 and a pin No. 1 of an LM393, the other end of the capacitor C17 is grounded, the other end of the resistor R16 is connected with a slide rheostat R15, a resistor R17, a capacitor C16, a power indicator D4 and a switch indicator D5 and a pin No. 4 of the LM393, a slide sheet of the slide rheostat R15 is connected with a pin No. 2 of the LM393, the other end of the slide rheostat R15 is grounded, a pin No. 3 of the LM393 is connected with a pin No. 32 of an STM32F103CBT6 chip, a resistor R17 and a switch indicator D5, the other end of the power indicator D4 is connected with a resistor R14, and the other end of the resistor R14 and the capacitor C16 is grounded.
6. The CPS-based industrial waste gas monitoring and chimney collapse prevention voice alarm embedded real-time control device as claimed in claim 1, wherein: the voice alarm module (5) comprises an SOP8 chip, a capacitor C18, a capacitor C19 and a loudspeaker LS 1;
pin 2 of the SOP chip is connected with pin 25 of the STM32F103CBT6 chip, pin 4 of the SOP8 chip is connected with one end of a capacitor C18, the other end of the capacitor C18 is grounded, pin 5 of the SOP8 chip is grounded, pin 6 of the SOP8 chip is connected with one end of a loudspeaker LS1, pin 8 of the SOP8 chip is connected with the other end of the loudspeaker LS1, pin 7 of the SOP8 is connected with one end of the capacitor C19, and the other end of the capacitor C19 is grounded.
7. The CPS-based industrial waste gas monitoring and chimney collapse prevention voice alarm embedded real-time control device as claimed in claim 1, wherein: the NB-IOT communication module (6) comprises a WB _ NB73 chip, a resistor R18, a capacitor C20 and a capacitor C21;
no. 1 pin, No. 3 pin, No. 4 pin, No. 26 pin, No. 39 pin and No. 40 pin of the WB _ NB73 chip are grounded, No. 7 pin of the WB _ NB73 chip is connected with No. 13 pin of the STM32F103CBT6 chip, No. 8 pin of the WB _ NB73 chip is connected with No. 12 pin of the STM32F103CBT6 chip, No. 41 pin and No. 42 pin of the WB _ NB73 chip are connected with one end of a capacitor C20, a capacitor C21 and a resistor R18, the other end of the capacitor C20 and the other end of the capacitor C21 are grounded, and the other end of the resistor R18 is connected with a 3.3V power supply.
8. The CPS-based industrial waste gas monitoring and chimney collapse prevention voice alarm embedded real-time control device as claimed in claim 1, wherein: the harmful gas concentration monitoring module (2) comprises a signal amplifying circuit, a serial-parallel conversion circuit and a digital-to-analog conversion circuit;
the signal amplification circuit comprises a harmful gas concentration sensor, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a capacitor C22, a capacitor C23, a capacitor C24, a capacitor C25, a capacitor C26, a capacitor C27, a capacitor C28, a capacitor C29, an inductor L2, an inductor L3, an inductor L4, an inductor L5, a CMOS1, a CMOS2, a varactor D6, a varactor D7, a varactor D8, a varactor D9, a varactor D10, a D11, a D12 and a varactor D13; the gas sensor is connected with a resistor R19, a resistor R19 is connected with one end of a variable capacitance diode D6, a variable capacitance diode D7, a variable capacitance diode D8 and a variable capacitance diode D9, the other ends of a variable capacitance diode D8 and a variable capacitance diode D9 are grounded, the other ends of a variable capacitance diode D6 and a variable capacitance diode D7 are connected with one end of an inductor L2, the other end of an inductor L2 is connected with one end of a capacitor C22, the other end of a capacitor C22 is connected with a capacitor C23, a resistor R21, a resistor R20 and a CMOS1, the other end of the capacitor 23 is connected with one end of a capacitor 24, one end of an inductor L3, one end of a CMOS1 and a No. 27 pin of an ADC0809 chip, the other end of the capacitor 24 is grounded, the other end of the inductor L3 is connected with a resistor R22, the other end of the resistor R22 is grounded, the other end of the resistor R21 is grounded, the other end of the resistor R20 is connected with a 5V power supply, one end of a capacitor C25, one end of a CMOS1, the other end of the capacitor C25 is grounded, and the other half of the circuit is grounded;
the serial-parallel conversion circuit comprises a 74HC595 chip; pin 1 of 74HC595 chip connects pin 20 of ADC0809 chip, pin 2 of 74HC595 chip connects pin 19 of ADC0809 chip, pin 3 of 74HC595 chip connects pin 18 of ADC0809 chip, pin 4 of 74HC595 chip connects pin 8 of ADC0809 chip, pin 5 of 74HC595 chip connects pin 15 of ADC0809 chip, pin 6 of 74HC595 chip connects pin 14 of ADC0809 chip, pin 7 of 74HC595 chip connects pin 17 of ADC0809 chip, pin 8 of 74HC595 chip connects ground, pin 10, pin 13, pin 16 of 74HC595 chip connect 5V power supply, pin 11 of 74HC595 chip connects pin 39 of STM32F CBT6 chip, pin 12 of 74HC595 chip connects pin 40 of STM32F103CBT6 chip, pin 14 of 74HC595 chip connects pin 41 of STM32F CBT6 chip;
the digital-to-analog conversion circuit comprises an ADC0809 chip; pin 6 of ADC0809 chip is connected with pin 42 of STM32F103CBT6 chip and pin 22 of ADC0809 chip, pin 7 of ADC0809 chip is connected with pin 44 of STM32F103CBT6 chip, pin 8 of ADC0809 chip is connected with pin 4 of 74HC595 chip, pin 9 of ADC0809 chip is connected with pin 43 of STM32F103CBT6 chip, pin 10 of ADC0809 chip is connected with pin 45 of STM32F103CBT6 chip, pin 11 and pin 12 of ADC0809 chip are connected with 5V power supply, pin 13, pin 16, pin 23, pin 24 and pin 25 of ADC0809 chip are grounded, pin 14 of ADC0809 chip is connected with pin 6 of 74HC595 chip, pin 15 of ADC0809 chip is connected with pin 5 of 74HC595 chip, pin 17 of ADC0809 chip is connected with pin 7 of 74 595, pin 74, pin 0809 of 0809 is connected with pin 18 of ADC0809, pin 0809 and pin 19 of ADC0809, the No. 21 pin of the ADC0809 chip is connected with the No. 15 pin of the 74HC595 chip, and the No. 26 pin, the No. 27 pin, the No. 28 pin, the No. 1 pin, the No. 2 pin, the No. 3 pin, the No. 4 pin and the No. 5 pin of the ADC0809 chip are connected with signal amplifying circuits of the gas sensors.
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