CN107037124B - A kind of Atmospheric particulates composition detection system based on ultrasonic detection technology - Google Patents
A kind of Atmospheric particulates composition detection system based on ultrasonic detection technology Download PDFInfo
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- CN107037124B CN107037124B CN201710267984.3A CN201710267984A CN107037124B CN 107037124 B CN107037124 B CN 107037124B CN 201710267984 A CN201710267984 A CN 201710267984A CN 107037124 B CN107037124 B CN 107037124B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
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Abstract
The invention discloses a kind of Atmospheric particulates composition detection systems based on ultrasonic detection technology of atmospheric detection technical field, including ultrasonic wave generating unit, the output end of the ultrasonic wave generating unit is electrically connected the input terminal of ultrasonic wave receiving unit, the output end of the ultrasonic wave receiving unit is electrically connected the output end of signal amplification unit, the single-chip microcontroller distinguishes two-way electric connection analytical unit and host computer, the output end of the host computer is electrically connected the input terminal of data storage cell, according to ultrasonic wave receiving unit received ultrasonic wave propagation time, calculate the spread speed of ultrasonic wave, then the constituent of the particulate matter in atmosphere is calculated according to the velocity of sound and Hygrothermograph, the present invention realizes the amplification and shaping that have passed through signal of ultrasonic wave during ultrasonic wave is received, it ensure that the accuracy for receiving signal , The invention also achieves the remote transmissions of detection data and testing result.
Description
Technical field
The present invention relates to atmospheric detection technical field, specially a kind of Atmospheric particulates group based on ultrasonic detection technology
At ingredient analysis system.
Background technique
Atmospheric particulates are the general names of various solid-states present in atmosphere and liquid particles shape substance.Various particulate materials
It is evenly dispersed in one metastable huge suspension system of composition, i.e. aerosol system, therefore airborne particulate in air
Object is also referred to as atmospheric aerosol.As being skyrocketed through for China's economy constantly accelerates with urbanization process, Atmospheric particulates are mesh
The primary pollutant in preceding China's majority city, gray haze pollution are in significant ascendant trend.Currently, China's group of cities atmosphere pollution is coal
The type for the special atmosphere combined pollution that cigarette type and tail gas pollution of motor-driven vehicle coexist has apparent Local anesthesia and regional pollution
The feature combine, to intercouple between pollutant, showing as high concentration Atmospheric particulates makes under atmosphere muddiness, visibility
Drop, " invisible blue sky " has become the common suffering in many cities, and atmosphere pollution returns human health and brings new threat, the common people
Respiratory disease illness rate significantly rises.The measurement method of traditional Atmospheric particulates chemical constituent mainly has mass spectrum, ion color
The methods of (IC), X-ray, hot light are composed, traditional detection method detection efficiency is low, testing result inaccuracy, and higher cost,
For this purpose, it is proposed that a kind of Atmospheric particulates composition detection system based on ultrasonic detection technology.
Summary of the invention
The Atmospheric particulates composition detection system based on ultrasonic detection technology that the purpose of the present invention is to provide a kind of
System, testing result inaccuracy low to solve traditional detection method detection efficiency mentioned above in the background art, and cost
Higher problem.
To achieve the above object, the invention provides the following technical scheme: a kind of atmosphere based on ultrasonic detection technology
Grain object composition detection system, including ultrasonic wave generating unit, the output end of the ultrasonic wave generating unit are electrically connected super
The input terminal of acoustic receiver unit, the output end of the ultrasonic wave receiving unit are electrically connected the input terminal of signal amplification unit,
The output end of the signal amplification unit is electrically connected the input terminal of echo shaping unit, the output end of the echo shaping unit
It is electrically connected the input terminal of microprocessor, the output end of the microprocessor is electrically connected the input terminal of single-chip microcontroller, the monolithic
The input terminal of display unit, print unit and wireless communication unit, the wireless telecommunications list is electrically connected in the output end of machine
The output end of member is electrically connected the input terminal of remote terminal, and the single-chip microcontroller distinguishes two-way electric connection analytical unit and upper
Machine, the output end of the host computer are electrically connected the input terminal of data storage cell, and the input terminal of the single-chip microcontroller is electrically connected
The output end of A/D converting unit, the input terminal of the A/D converting unit is electrically connected the output end of signal adjustment circuit, described
The output end of temperature sensor and humidity sensor is electrically connected in the input terminal of signal adjustment circuit；
Emit ultrasonic wave in needing the atmosphere detected by the ultrasonic wave generating unit, ultrasonic wave receiving unit receives
The ultrasonic wave that the ultrasonic wave generating unit is emitted receive by the signal amplification unit amplification of signal, amplification
Ultrasonic signal afterwards carries out the shaping of signal by the echo shaping unit, and the signal after shaping is transmitted to micro process
Device carries out digital filtering and calculating by the microprocessor, and transmits signals to single-chip microcontroller, passes through the temperature sensor
The information that the temperature and humidity in tested atmosphere is detected with humidity sensor carries out signal tune by the signal adjustment circuit
It is whole, and digital signal is converted analog signals by the A/D converting unit, and signal is fed back into single-chip microcontroller, pass through institute
It states analytical unit analyze the ultrasonic signal received and processed, and logic calculation is tested the constituent concentration of atmosphere,
And calculated result is fed back into single-chip microcontroller, by the display unit show institute received ultrasonic signal waveform and display divide
Analysis by the print unit by analysis as a result, being come out as the result is shown, issuing manipulation instruction by the host computer and receiving number
It is believed that breath, the storage of data is carried out by the data storage cell, believed by the data that the wireless communication unit will test
Breath is transmitted to the remote terminal.
Preferably, the echo shaping unit is Schmidt trigger.
Preferably, the remote terminal is smart phone, PC or tablet computer.
Preferably, the host computer is connect by RS232 serial ports with single-chip microcontroller.
Preferably, the core component of the microprocessor is Z80CPU.
Compared with prior art, the beneficial effects of the present invention are: one kind that the invention proposes is based on ultrasonic detection technology
Atmospheric particulates composition detection system, the principle of the technology based on ultrasound examination carries out Atmospheric particulates composition
Detection, by the transmitting and reception of ultrasonic wave, according to ultrasonic wave receiving unit received ultrasonic wave propagation time, calculate
The spread speed of ultrasonic wave, the constituent that the particulate matter in atmosphere is then calculated according to the velocity of sound and Hygrothermograph, the present invention exist
The amplification and shaping that have passed through signal that ultrasonic wave is realized during ultrasonic wave is received ensure that and receive the accurate of signal
Property, The invention also achieves the remote transmission of detection data and testing result, the invention is easy to detect, low in cost.
Detailed description of the invention
Fig. 1 is invention's principle block diagram.
In figure: 1 ultrasonic wave generating unit, 2 ultrasonic wave receiving units, 3 signal amplification units, 4 echo shaping units, 5 micro-
Processor, 6 single-chip microcontrollers, 7 temperature sensors, 8 humidity sensors, 9 signal adjustment circuits, 10 A/D converting units, 11 displays are single
Member, 12 print units, 13 analytical units, 14 host computers, 15 data storage cells, 16 wireless communication units, 17 remote terminals.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of Atmospheric particulates group based on ultrasonic detection technology
At ingredient analysis system, including ultrasonic wave generating unit 1, the output end of the ultrasonic wave generating unit 1 is electrically connected ultrasonic wave
The input terminal of receiving unit 2, the output end of the ultrasonic wave receiving unit 2 are electrically connected the input terminal of signal amplification unit 3, institute
The output end for stating signal amplification unit 3 is electrically connected the input terminal of echo shaping unit 4, the output of the echo shaping unit 4
End is electrically connected the input terminal of microprocessor 5, and the output end of the microprocessor 5 is electrically connected the input terminal of single-chip microcontroller 6, described
The input terminal of display unit 11, print unit 12 and wireless communication unit 16 is electrically connected in the output end of single-chip microcontroller 6, described
The output end of wireless communication unit 16 is electrically connected the input terminal of remote terminal 17, and the single-chip microcontroller 6 distinguishes two-way electric connection
Analytical unit 13 and host computer 14, the output end of the host computer 14 is electrically connected the input terminal of data storage cell 15, described
The input terminal of single-chip microcontroller 6 is electrically connected the output end of A/D converting unit 10, and the input terminal of the A/D converting unit 10 electrically connects
Connect the output end of signal adjustment circuit 9, temperature sensor 7 and wet is electrically connected in the input terminal of the signal adjustment circuit 9
Spend the output end of sensor 8；
Emit ultrasonic wave in needing the atmosphere detected by the ultrasonic wave generating unit 1, ultrasonic wave receiving unit 2 connects
The ultrasonic wave that the ultrasonic wave generating unit 1 is emitted is received, receive by the signal amplification unit 3 amplification of signal,
Amplified ultrasonic signal carries out the shaping of signal by the echo shaping unit 4, and the signal after shaping is transmitted to
Microprocessor 5 carries out digital filtering and calculating by the microprocessor 5, and transmits signals to single-chip microcontroller 6, by described
Temperature sensor 7 and humidity sensor 8 detect the information of the temperature and humidity in tested atmosphere, by the signal adjustment circuit
9 carry out signal adjustment, and convert analog signals into digital signal by the A/D converting unit 10, and signal is fed back to
Single-chip microcontroller 6 analyze the ultrasonic signal received and processed by the analytical unit 13, and logic calculation is tested
The constituent concentration of atmosphere, and calculated result is fed back into single-chip microcontroller 6, pass through the received ultrasonic wave of the display unit 11 display institute
The waveform of signal and display analysis come out as the result is shown as a result, will be analyzed by the print unit 12, pass through the host computer
14 issue manipulation instruction and receive data information, and the storage of data is carried out by the data storage cell 15, passes through the nothing
The data information transfer that line communication unit 16 will test is to the remote terminal 17.
Wherein, the echo shaping unit 4 be Schmidt trigger, by Schmidt trigger to received ultrasonic wave into
Row shaping, convenient for the processing in later period, the remote terminal 17 is smart phone, PC or tablet computer, smart phone, PC or plate
Computer is the product that user generally possesses, easy to carry, and the host computer 14 is connect by RS232 serial ports with single-chip microcontroller 6, institute
The core component for stating microprocessor 5 is Z80CPU.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of Atmospheric particulates composition detection system based on ultrasonic detection technology, including ultrasonic wave generating unit
(1), it is characterised in that: the output end of the ultrasonic wave generating unit (1) is electrically connected the input of ultrasonic wave receiving unit (2)
End, the output end of the ultrasonic wave receiving unit (2) are electrically connected the input terminal of signal amplification unit (3), the signal amplification
The output end of unit (3) is electrically connected the input terminal of echo shaping unit (4), the output end electricity of the echo shaping unit (4)
Property connection microprocessor (5) input terminal, the output end of the microprocessor (5) is electrically connected the input terminal of single-chip microcontroller (6), institute
Display unit (11), print unit (12) and wireless communication unit (16) is electrically connected in the output end for stating single-chip microcontroller (6)
Input terminal, the output end of the wireless communication unit (16) are electrically connected the input terminal of remote terminal (17), the single-chip microcontroller (6)
Two-way electric connection analytical unit (13) and host computer (14) respectively, the output end of the host computer (14) are electrically connected data and deposit
The input terminal of storage unit (15), the input terminal of the single-chip microcontroller (6) is electrically connected the output end of A/D converting unit (10), described
The input terminal of A/D converting unit (10) is electrically connected the output end of signal adjustment circuit (9), the signal adjustment circuit (9)
The output end of temperature sensor (7) and humidity sensor (8) is electrically connected in input terminal；
Emit ultrasonic wave in needing the atmosphere detected by the ultrasonic wave generating unit (1), ultrasonic wave receiving unit (2) connects
The ultrasonic wave that the ultrasonic wave generating unit (1) is emitted is received, carries out receiving putting for signal by the signal amplification unit (3)
Greatly, amplified ultrasonic signal carries out the shaping of signal by the echo shaping unit (4), and the signal after shaping is passed
Microprocessor (5) are transported to, carry out digital filtering and calculating by the microprocessor (5), and transmit signals to single-chip microcontroller
(6), the information that the temperature and humidity in tested atmosphere is detected by the temperature sensor (7) and humidity sensor (8), passes through
The signal adjustment circuit (9) carries out signal adjustment, and converts analog signals into number by the A/D converting unit (10)
Signal, and signal is fed back into single-chip microcontroller (6), it is carried out by the analytical unit (13) to the ultrasonic signal received and processed
It is analyzed, and logic calculation is tested the constituent concentration of atmosphere, and calculated result is fed back to single-chip microcontroller (6), by described aobvious
Show unit (11) display institute received ultrasonic signal waveform and display analysis as a result, by the print unit (12) will divide
Analysis comes out as the result is shown, issues manipulation instruction by the host computer (14) and receives data information, is stored by the data
Unit (15) carries out the storage of data, and the data information transfer that will test by the wireless communication unit (16) is to described long-range
Terminal (17).
2. a kind of Atmospheric particulates composition detection system based on ultrasonic detection technology according to claim 1,
It is characterized by: the echo shaping unit (4) is Schmidt trigger.
3. a kind of Atmospheric particulates composition detection system based on ultrasonic detection technology according to claim 1,
It is characterized by: the remote terminal (17) is smart phone, PC.
4. a kind of Atmospheric particulates composition detection system based on ultrasonic detection technology according to claim 1,
It is characterized by: the host computer (14) is connect by RS232 serial ports with single-chip microcontroller (6).
5. a kind of Atmospheric particulates composition detection system based on ultrasonic detection technology according to claim 1,
It is characterized by: the core component of the microprocessor (5) is Z80CPU.
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| CN201710267984.3A CN107037124B (en) | 2017-04-22 | 2017-04-22 | A kind of Atmospheric particulates composition detection system based on ultrasonic detection technology |
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| CN107037124A CN107037124A (en) | 2017-08-11 |
| CN107037124B true CN107037124B (en) | 2019-06-28 |
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| CN117074520B (en) * | 2023-10-12 | 2024-01-05 | 四川聚元药业集团有限公司 | Detection system for component analysis of white peony root extracting solution |
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| CN101539539A (en) * | 2009-04-17 | 2009-09-23 | 河海大学常州校区 | Sulfur hexafluoride gas ultrasonic detection node based on wireless network and detection method |
| CN101813673A (en) * | 2010-05-07 | 2010-08-25 | 河海大学常州校区 | Acoustic signal processing device and method for detecting concentration of trace binary-component gas |
| CN201819713U (en) * | 2010-09-14 | 2011-05-04 | 上海维思仪器仪表有限公司 | Ultrasonic transmitting and receiving circuit for ultrasonic flowmeters |
| CN102298107A (en) * | 2011-05-20 | 2011-12-28 | 华南理工大学 | Portable ultrasonic wave and cloud detection apparatus for partial discharge |
| CN102472727A (en) * | 2009-07-07 | 2012-05-23 | 皇家飞利浦电子股份有限公司 | Multifunction sensor system and method comprising an ultrasonic sensor for supervising room conditions |
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2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539539A (en) * | 2009-04-17 | 2009-09-23 | 河海大学常州校区 | Sulfur hexafluoride gas ultrasonic detection node based on wireless network and detection method |
| CN102472727A (en) * | 2009-07-07 | 2012-05-23 | 皇家飞利浦电子股份有限公司 | Multifunction sensor system and method comprising an ultrasonic sensor for supervising room conditions |
| CN101813673A (en) * | 2010-05-07 | 2010-08-25 | 河海大学常州校区 | Acoustic signal processing device and method for detecting concentration of trace binary-component gas |
| CN201819713U (en) * | 2010-09-14 | 2011-05-04 | 上海维思仪器仪表有限公司 | Ultrasonic transmitting and receiving circuit for ultrasonic flowmeters |
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