CN111006918B - Intelligent monitoring instrument for organic pollutants in atmospheric environment - Google Patents
Intelligent monitoring instrument for organic pollutants in atmospheric environment Download PDFInfo
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- 239000002957 persistent organic pollutant Substances 0.000 title claims abstract description 108
- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 180
- 238000012937 correction Methods 0.000 claims abstract description 62
- 239000007789 gas Substances 0.000 claims description 116
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 5
- 239000008096 xylene Substances 0.000 claims description 5
- 101000878595 Arabidopsis thaliana Squalene synthase 1 Proteins 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 231100000378 teratogenic Toxicity 0.000 description 1
- 230000003390 teratogenic effect Effects 0.000 description 1
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Abstract
The invention discloses an intelligent monitoring instrument for organic pollutants in an atmospheric environment, which is used for solving the problems that the existing intelligent monitoring equipment for organic pollutants in the atmospheric environment has larger monitoring error and is inconvenient and reasonable to distribute the collection of the selected personnel on the detection position of a user along with the increase of the use time; the device comprises a gas conveying device, a gas detection module, a processor and an error correction module; according to the invention, the calibration time, the electrifying time, the last calibration time and the detection times of the gas sensor are counted, and the error correction value of the content of the organic pollutants is obtained by using a formula, so that the accuracy of the detection result is improved; through the reasonable distribution of distribution module to the personnel of selecting that correspond, select personnel to carry gas delivery device and gather, then detect through detecting module, the user can know the organic pollutant content of the air in the environment that wants to know the position correspondence.
Description
Technical Field
The invention relates to the technical field of monitoring of organic pollutants in an atmospheric environment, in particular to an intelligent monitoring instrument for organic pollutants in the atmospheric environment.
Background
Organic pollutants in the atmospheric environment become one of the hot spots of global attention today due to their potential "teratogenic, carcinogenic and mutagenic" effects on humans. The atmosphere is the main route for the global transportation of organic pollutants, and the organic pollutants in the atmosphere often exist in two forms of gas phase and solid phase (i.e. particulate matter binding state) and are very small in content.
The existing atmospheric environment organic pollutant monitoring equipment has the following defects: 1. as the use time increases, the sensitivity of the monitoring sensor is reduced, so that the detection result has larger error; 2. the user is inconvenient to submit the collection of the user detection position by the selected personnel, and the collection of the organic pollutant content of the position to be detected is required to be known.
Disclosure of Invention
The invention aims to provide an intelligent monitoring instrument for organic pollutants in an atmospheric environment, which is used for counting the calibration time, the electrifying time, the last calibration time and the detection times of a gas sensor and obtaining an error correction value of the content of the organic pollutants by using a formula so as to improve the accuracy of a detection result; through the reasonable distribution of distribution module to the personnel of selecting that correspond, select personnel to carry gas delivery device and gather, then detect through detection module, convenience of customers can know the organic pollutant content of the air in the environment that wants to know the position correspondence.
The technical problem to be solved by the invention is as follows:
(1) how to analyze and calculate through the calibration time, the electrifying time length, the last calibration time and the detection times of the gas sensor to obtain an error correction value of the content of the organic pollutants, thereby solving the problem that the existing intelligent monitoring equipment for the organic pollutants in the atmospheric environment has larger monitoring errors along with the increase of the use time length;
(2) how to distribute the detection position to the corresponding selected personnel according to the sending position of the user, automatically collecting the detection position by the gas conveying device carried by the selected personnel, and then detecting the detection position; the user can know the content of the organic pollutants in the air in the environment corresponding to the position; the problem of personnel to the collection of user detection position is selected in the inconvenient reasonable distribution of current atmospheric environment organic pollutant's intelligent monitoring equipment is solved.
The purpose of the invention can be realized by the following technical scheme: an intelligent monitoring instrument for organic pollutants in atmospheric environment comprises a gas conveying device, a gas detection module, a processor, an error correction module, a statistic acquisition module, a storage module, a communication module, a server, a message pushing module, an inquiry request module, a registration and login module and a distribution module;
the gas conveying device is used for conveying gas to be detected to the gas detection module; the gas detection module is used for detecting organic pollutants in the gas to be detected; the gas detection module comprises a plurality of gas sensors for detecting organic pollutants; the gas sensor converts the analog signal of the detected organic pollutant content into a digital signal and sends the digital signal to the processor, and the processor receives the digital signal, converts the digital signal into the corresponding organic pollutant content and sends the organic pollutant content to the error correction module;
the statistical acquisition module is used for counting the calibration time, the electrifying time, the last calibration time and the detection times of the plurality of gas sensors; wherein the detection times are the times of sending digital signals to the processor; the statistical acquisition module sends the acquired calibration time, the acquired electrifying time and the acquired detection times to the error correction module; the error correction module is used for correcting the error of the organic pollutant content of the gas sensor, and comprises the following specific steps:
the method comprises the following steps: setting a plurality of gas sensors including Qi, i is 1, … … and n; acquiring the time length of the gas sensor from the last calibration time according to the calibration time and the current time of the system, and marking the time length as TQi；
Step two: acquiring the power-on time length between the time lengths from the last calibration time according to the power-on and power-off of the gas sensor, and marking the power-on time length as UQi；
Step three: the number of detections corresponding to the gas sensor is set to be JQi(ii) a Setting the content value of the organic pollutants detected by the gas sensor as YQi；
Step four: using formulas
Obtaining an error correction value XY of the content of the organic pollutantsQi(ii) a Wherein d1Qi、d2Qi、d3QiAll the preset proportionality coefficients are corresponding to the gas sensors;
step five: the error correction module sends the error correction value of the organic pollutant content to the storage module for storage, and simultaneously the error correction module sends the error correction value of the organic pollutant content to the server for storage through the communication module.
The user and the staff of the registration login module submit user information and staff information through the mobile phone terminal to register and send the user information and the staff information which are successfully registered to the server for storage; the user information comprises a name and a mobile phone number; the staff information comprises staff positions, working hours, names and mobile phone numbers; the inquiry request module is used for sending an organic pollutant detection instruction, a detection position and a detection date to the server by a registered user through a mobile phone terminal; the server receives an organic pollutant detection instruction and then sends a detection position and a detection date to the distribution module; the distribution module is used for distributing the detection positions to corresponding workers; the specific distribution steps are as follows:
s1: setting staff as Rj, j is 1, … … and m; obtaining the distance difference of the staff according to the detection position and the position of the staff, and marking as GRj；
S2: setting the corresponding undetected number of the staff in the detection date as MRj(ii) a Setting the working time of the staff as TRj；
S3: using formulas
Obtaining a matching value P of a workerRj(ii) a Wherein b1, b2 and b3 are all preset proportionality coefficients;
s4: selecting the worker with the largest matching value as the selected worker; meanwhile, the corresponding undetected number of the selected person in the detection date is increased by one;
s5: when the detection date is reached, the selected personnel carry the gas conveying device to reach the detection position for collecting the atmospheric environment gas, and the staff convey the collected atmospheric environment gas to the gas detection module for detection;
the gas detection module sends the content of the detected organic pollutants to the error correction module through the processor; the error correction module performs error correction on the content of the organic pollutants and corrects the content of the organic pollutants into a corrected value through the server; the server receives the content of the organic pollutants and sends the content to the information pushing module; and the information pushing module sends the error correction value of the organic pollutant content to the corresponding user mobile phone terminal.
Furthermore, the gas detection module also comprises a detection chamber for installing a plurality of gas sensors; the gas sensor comprises a PM2.5 sensor, a sulfur dioxide sensor, a carbon monoxide sensor, a nitrogen dioxide sensor, an ozone sensor, a formaldehyde sensor, a benzene sensor, a toluene sensor and a xylene sensor;
an air inlet pipe is arranged on one side of the detection chamber, an air outlet pipe is arranged on the other side of the detection chamber, a first electromagnetic valve is mounted on the air outlet pipe, and the other end of the air outlet pipe is connected to the outside of the chamber;
furthermore, the gas conveying device comprises a collecting pipe, and an electric push rod is embedded in the collecting pipe; a piston containing cavity is formed in the collecting pipe, and a piston is arranged in the piston containing cavity; a piston rod is inserted into the piston containing cavity, and one end of the piston rod is fixedly connected with the piston; the other end of the piston rod is fixedly connected with the top end of the piston rod of the electric push rod; a sealing ring is arranged at the joint of one end of the collecting pipe and the piston rod; the acquisition pipe is provided with a control panel, and a touch display screen is embedded in the control panel; the controller, the mobile network module, the memory and the GPS positioning module are arranged in the control panel; the controller is in communication connection with the server through the mobile network module; one end of the collecting pipe is provided with an air faucet, and a second electromagnetic valve is mounted on the air faucet; the electromagnetic valve II and the electric push rod are both electrically connected with the controller; one end of the air tap is connected with the air inlet pipe through threads.
Further, the specific collection steps of collecting the atmospheric environment gas when the selected person with the gas delivery device arrives at the detection position in S5 are as follows:
SS 1: the server sends the detection position, the detection date, the name and the mobile phone number of the user to the corresponding controller; the controller receives the detection position, the detection date and the name and the mobile phone number of the user, displays the detection position and the detection date on the touch display screen, and simultaneously sends the detection position, the detection date, the name and the mobile phone number to the memory for storage;
SS 2: after the staff arrives at the detection position, an arrival instruction is input to the controller through the touch display screen; the controller receives the arrival designation, controls the GPS positioning module to work, and the GPS positioning module acquires the current real-time position and sends the current real-time position to the controller; the controller compares the real-time position with the detection position;
SS 3: after the positions are matched, the controller controls the second electromagnetic valve to be opened, and simultaneously controls the electric push rod to drive the piston rod to move, and the piston rod drives the piston to suck air at the detection position into the piston containing cavity; and then the controller controls the second control electromagnetic valve to close.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a gas to be detected is conveyed to a gas detection module through a gas conveying device; the gas detection module detects organic pollutants in the gas to be detected; the gas sensor converts the analog signal of the detected organic pollutant content into a digital signal and sends the digital signal to the processor, and the processor receives the digital signal, converts the digital signal into the corresponding organic pollutant content and sends the organic pollutant content to the error correction module; the statistical acquisition module is used for counting the calibration time, the electrifying time, the last calibration time and the detection times of the plurality of gas sensors; wherein the detection times are the times of sending digital signals to the processor; the statistical acquisition module sends the acquired calibration time, the acquired electrifying time and the acquired detection times to the error correction module; the error correction module is used for performing error correction on the organic pollutant content of the gas sensor and obtaining an error correction value of the organic pollutant content by using a formula; the accuracy of the detection result is improved by counting the calibration time, the electrifying time, the last calibration time and the detection times of the gas sensor and obtaining the error correction value of the content of the organic pollutants by using a formula;
2. the inquiry request module is used for a registered user to send an organic pollutant detection instruction, a detection position and a detection date to the server through the mobile phone terminal; the server receives the organic pollutant detection instruction and then sends the detection position and the detection date to the distribution module; the distribution module distributes the detection positions to corresponding workers; the user sends to organic pollutant detection instruction, detection position and detection date to server through mobile phone terminal, selects personnel to carry gas delivery device to gather through reasonable the distribution of distribution module to the personnel of selecting that correspond, then detects through detection module, and convenience of customers can know the organic pollutant content of the air in the environment that wants to know the position correspondence.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic block diagram of an intelligent monitoring apparatus for organic pollutants in an atmospheric environment according to the present invention;
FIG. 2 is a schematic structural diagram of the gas delivery device of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an intelligent monitoring instrument for organic pollutants in an atmospheric environment comprises a gas delivery device, a gas detection module, a processor, an error correction module, a statistics acquisition module, a storage module, a communication module, a server, a message push module, an inquiry request module, a registration module and a distribution module;
the gas conveying device is used for conveying the gas to be detected to the gas detection module; the gas detection module is used for detecting organic pollutants in the gas to be detected; the gas detection module comprises a plurality of gas sensors for detecting organic pollutants; the gas sensor converts the analog signal of the detected organic pollutant content into a digital signal and sends the digital signal to the processor, and the processor receives the digital signal, converts the digital signal into the corresponding organic pollutant content and sends the organic pollutant content to the error correction module;
the statistical acquisition module is used for counting the calibration time, the electrifying time, the last calibration time and the detection times of the plurality of gas sensors; wherein the detection times are the times of sending digital signals to the processor; the statistical acquisition module sends the acquired calibration time, the acquired electrifying time and the acquired detection times to the error correction module; the error correction module is used for correcting the error of the organic pollutant content of the gas sensor, and comprises the following specific steps:
the method comprises the following steps: setting a plurality of gas sensors including Qi, i is 1, … … and n; acquiring the time length of the gas sensor from the last calibration time according to the calibration time and the current time of the system, and marking the time length as TQi；
Step two: acquiring the power-on time length between the time lengths from the last calibration time according to the power-on and power-off of the gas sensor, and marking the power-on time length as UQi；
Step three: the number of detections corresponding to the gas sensor is set to be JQi(ii) a Setting the content value of the organic pollutants detected by the gas sensor as YQi；
Step four: using formulas
Obtaining an error correction value XY of the content of the organic pollutantsQi(ii) a Wherein d1Qi、d2Qi、d3QiAll the preset proportionality coefficients are corresponding to the gas sensors;
step five: the error correction module sends the error correction value of the organic pollutant content to the storage module for storage, and simultaneously the error correction module sends the error correction value of the organic pollutant content to the server for storage through the communication module.
The user and the staff of the login module are registered by submitting user information and staff information through the mobile phone terminal, and the user information and the staff information which are successfully registered are sent to the server for storage; the user information comprises a name and a mobile phone number; the staff information comprises staff positions, working hours, names and mobile phone numbers; the inquiry request module is used for sending an organic pollutant detection instruction, a detection position and a detection date to the server by a registered user through a mobile phone terminal; the server receives the organic pollutant detection instruction and then sends the detection position and the detection date to the distribution module; the distribution module is used for distributing the detection positions to corresponding workers; the specific distribution steps are as follows:
s1: setting staff as Rj, j is 1, … … and m; obtaining the distance difference of the staff according to the detection position and the position of the staff, and marking as GRj；
S2: setting the corresponding undetected number of the staff in the detection date as MRj(ii) a Setting the working time of the staff as TRj；
S3: using formulas
Obtaining a matching value P of a workerRj(ii) a Wherein b1, b2 and b3 are all preset proportionality coefficients;
s4: selecting the worker with the largest matching value as the selected worker; meanwhile, the corresponding undetected number of the selected person in the detection date is increased by one;
s5: when the detection date is reached, the selected personnel carrying the gas conveying device arrive at the detection position to carry out atmospheric environment gas collection, and the specific collection steps are as follows:
SS 1: the server sends the detection position, the detection date, the name and the mobile phone number of the user to the corresponding controller; the controller receives the detection position, the detection date and the name and the mobile phone number of the user, displays the detection position and the detection date on the touch display screen 27, and simultaneously sends the detection position, the detection date, the name and the mobile phone number to the memory for storage;
SS 2: after the staff arrives at the detection position, an arrival instruction is input to the controller through the touch display screen 27; the controller receives the arrival designation, controls the GPS positioning module to work, and the GPS positioning module acquires the current real-time position and sends the current real-time position to the controller; the controller compares the real-time position with the detection position;
SS 3: after the positions are matched, the controller controls the second electromagnetic valve 29 to be opened, and simultaneously controls the electric push rod 21 to drive the piston rod 22 to move, and the piston rod 22 drives the piston 25 to suck air at the detection position into the piston accommodating cavity 24; then the controller controls the second control electromagnetic valve 29 to close;
the staff conveys the collected atmospheric environment gas to a gas detection module for detection;
the gas detection module sends the detected content of the organic pollutants to the error correction module through the processor; the error correction module performs error correction on the content of the organic pollutants and corrects the content of the organic pollutants into a corrected value through the server; the server receives the content of the organic pollutants and sends the content to the information pushing module; the information pushing module sends the error correction value of the organic pollutant content to the corresponding user mobile phone terminal; organic contaminants include particulates, sulfur dioxide, carbon monoxide, nitrogen dioxide, ozone, formaldehyde, benzene, and xylene;
the gas detection module also comprises a detection chamber 1 for installing a plurality of gas sensors; the gas sensor comprises a PM2.5 sensor, a sulfur dioxide sensor, a carbon monoxide sensor, a nitrogen dioxide sensor, an ozone sensor, a formaldehyde sensor, a benzene sensor, a toluene sensor and a xylene sensor; the model of the carbon monoxide sensor is CO-B4; the model of the sulfur dioxide sensor is SO 2-B4; the model of the ozone sensor is OX-B431; the model of the nitrogen dioxide sensor is NO 2-B43F; the model of the PM2.5 sensor is TF-LP 01; the model of the benzene sensor is ME 3-CH; the model of the toluene sensor is ME3-C7H 8; the model of the xylene sensor is TD 830-CXHX;
an air inlet pipe 11 is arranged on one side of the detection chamber 1, an air outlet pipe 12 is arranged on the other side of the detection chamber 1, a first electromagnetic valve 14 is mounted on the air outlet pipe 12, and the other end of the air outlet pipe 12 is connected to the outside;
the gas conveying device comprises a collecting pipe 2, and an electric push rod 21 is embedded on the collecting pipe 2; a piston containing cavity 24 is formed in the collecting pipe 21, and a piston 25 is arranged in the piston containing cavity 24; a piston rod 22 is inserted into the piston cavity 24, and one end of the piston rod 22 is fixedly connected with a piston 25; the other end of the piston rod 22 is fixedly connected with the top end of the piston rod of the electric push rod 21; a sealing ring 23 is arranged at the joint of one end of the collection tube 2 and the piston rod 22; a control panel 26 is arranged on the collecting pipe 2, and a touch display screen 27 is embedded on the control panel 26; the control panel 27 is internally provided with a controller, a mobile network module, a memory and a GPS positioning module; the controller is in communication connection with the server through the mobile network module; one end of the collecting pipe 21 is provided with an air tap 28, and a second electromagnetic valve 29 is arranged on the air tap 28; the second electromagnetic valve 29 and the electric push rod 21 are both electrically connected with the controller; one end of the air nozzle 28 is screwed into the air inlet pipe 11.
The working principle of the invention is as follows: conveying the gas to be detected to a gas detection module through a gas conveying device; the gas detection module detects organic pollutants in the gas to be detected; the gas sensor converts the analog signal of the detected organic pollutant content into a digital signal and sends the digital signal to the processor, and the processor receives the digital signal, converts the digital signal into the corresponding organic pollutant content and sends the organic pollutant content to the error correction module; the statistical acquisition module is used for counting the calibration time, the electrifying time, the last calibration time and the detection times of the plurality of gas sensors; wherein the detection times are the times of sending digital signals to the processor; the statistical acquisition module sends the acquired calibration time, the acquired electrifying time and the acquired detection times to the error correction module; the error correction module is used for correcting the organic pollutant content of the gas sensor by using a formula
Obtaining an error correction value XY of the content of the organic pollutantsQi(ii) a The error correction module sends the error correction value of the organic pollutant content to the storage module for storage, and simultaneously sends the error correction value of the organic pollutant content to the server for storage through the communication module; the accuracy of the detection result is improved by counting the calibration time, the electrifying time, the last calibration time and the detection times of the gas sensor and obtaining the error correction value of the content of the organic pollutants by using a formula; the inquiry request module is used for sending an organic pollutant detection instruction, a detection position and a detection date to the server by a registered user through a mobile phone terminal; the server receives the organic pollutant detection instruction and then sends the detection position and the detection date to the distribution module; the distribution module distributes the detection positions to corresponding workers; using formulas
Obtaining a matching value P of a workerRj(ii) a Selecting the worker with the largest matching value as the selected worker; when the detection date is reached, the selected person reaches the detection position with the gas conveying device to collect the atmospheric environment gas, and the server sends the detection position, the detection date, the name of the user and the mobile phone number to the corresponding controller; the controller receives the detection position, the detection date, the name and the mobile phone number of the user and displays the detection position and the detection date on the touch display screen 27, and after the staff arrives at the detection position, the arrival instruction is input to the controller through the touch display screen 27; the controller receives the arrival designation, controls the GPS positioning module to work, and the GPS positioning module acquires the current real-time position and sends the current real-time position to the controller; the controller compares the real-time position with the detection position; after the positions are matched, the controller controls the second electromagnetic valve 29 to be opened, and simultaneously controls the electric push rod 21 to drive the piston rod 22 to move, and the piston rod 22 drives the piston 25 to suck air at the detection position into the piston accommodating cavity 24; then the controller controls the second control electromagnetic valve 29 to close; the staff conveys the collected atmospheric environment gas to a gas detection module for detection; the gas detection module sends the detected content of the organic pollutants to the error correction module through the processor; the error correction module performs error correction on the content of the organic pollutants and corrects the content of the organic pollutants into a corrected value through the server; the server receives the content of the organic pollutants and sends the content to the information pushing module; the information pushing module sends the error correction value of the organic pollutant content to the corresponding user mobile phone terminal; the user sends to organic pollutant detection instruction, detection position and detection date to server through mobile phone terminal, selects personnel to carry gas delivery device to gather through reasonable the distribution of distribution module to the personnel of selecting that correspond, then detects through detection module, and convenience of customers can know the organic pollutant content of the air in the environment that wants to know the position correspondence.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. An intelligent monitoring instrument for organic pollutants in atmospheric environment is characterized by comprising a gas conveying device, a gas detection module, a processor, an error correction module, a statistic acquisition module, a storage module, a communication module, a server, a message pushing module, an inquiry request module, a registration and login module and a distribution module;
the gas conveying device is used for conveying gas to be detected to the gas detection module; the gas detection module is used for detecting the content of organic pollutants in the gas to be detected; the gas detection module comprises a plurality of gas sensors for detecting the content of organic pollutants; the gas sensor converts the analog signal of the detected organic pollutant content into a digital signal and sends the digital signal to the processor, and the processor receives the digital signal, converts the digital signal into the corresponding organic pollutant content and sends the organic pollutant content to the error correction module;
the statistical acquisition module is used for counting the calibration time, the electrifying time, the last calibration time and the detection times of the plurality of gas sensors; wherein the detection times are the times of sending digital signals to the processor; the statistical acquisition module sends the acquired calibration time, the acquired electrifying time and the acquired detection times to the error correction module; the error correction module is used for correcting the error of the organic pollutant content of the gas sensor, and comprises the following specific steps:
the method comprises the following steps: setting a plurality of gas sensors including Qi, i is 1, … … and n; acquiring the time length of the gas sensor from the last calibration time according to the calibration time and the current time of the system, and marking the time length as TQi；
Step two: root of herbaceous plantAcquiring the power-on time length between the time lengths from the last calibration time according to the power-on and power-off of the gas sensor, and marking the power-on time length as UQi；
Step three: the number of detections corresponding to the gas sensor is set to be JQi(ii) a Setting the content value of the organic pollutants detected by the gas sensor as YQi；
Step four: using formulas
Obtaining an error correction value XY of the content of the organic pollutantsQi(ii) a Wherein d1Qi、d2Qi、d3QiAll the preset proportionality coefficients are corresponding to the gas sensors;
step five: the error correction module sends the error correction value of the organic pollutant content to the storage module for storage, and simultaneously the error correction module sends the error correction value of the organic pollutant content to the server for storage through the communication module.
2. The intelligent monitoring instrument for the organic pollutants in the atmospheric environment as claimed in claim 1, wherein the registration login module is used for submitting user information and staff information for registration through a mobile phone terminal by a user and staff and sending the user information and the staff information which are successfully registered to the server for storage; the user information comprises a name and a mobile phone number; the staff information comprises staff positions, working hours, names and mobile phone numbers; the inquiry request module is used for sending an organic pollutant detection instruction, a detection position and a detection date to the server by a registered user through a mobile phone terminal; the server receives an organic pollutant detection instruction and then sends a detection position and a detection date to the distribution module; the distribution module is used for distributing the detection positions to corresponding workers; the specific distribution steps are as follows:
s1: setting staff as Rj, j is 1, … … and m; obtaining the distance difference of the staff according to the detection position and the position of the staff, and marking as GRj；
S2: setting the corresponding undetected number of the staff in the detection date as MRj(ii) a Setting the working time of the staff as TRj；
S3: using formulas
Obtaining a matching value P of a workerRj(ii) a Wherein b1, b2 and b3 are all preset proportionality coefficients;
s4: selecting the worker with the largest matching value as the selected worker; meanwhile, the corresponding undetected number of the selected person in the detection date is increased by one;
s5: when the detection date is reached, the selected personnel carry the gas conveying device to reach the detection position for collecting the atmospheric environment gas, and the staff convey the collected atmospheric environment gas to the gas detection module for detection;
the gas detection module sends the content of the detected organic pollutants to the error correction module through the processor; the error correction module performs error correction on the content of the organic pollutants and sends the error correction value of the content of the organic pollutants into the server; the server receives the content of the organic pollutants and sends the content of the organic pollutants to the information pushing module; and the information pushing module sends the error correction value of the organic pollutant content to the corresponding user mobile phone terminal.
3. An intelligent monitoring instrument for organic pollutants in the atmospheric environment as claimed in claim 1, wherein the gas detection module further comprises a detection chamber (1) for installing a plurality of gas sensors; the gas sensor comprises a PM2.5 sensor, a sulfur dioxide sensor, a carbon monoxide sensor, a nitrogen dioxide sensor, an ozone sensor, a formaldehyde sensor, a benzene sensor, a toluene sensor and a xylene sensor;
an air inlet pipe (11) is arranged on one side of the detection chamber (1), an air outlet pipe (12) is arranged on the other side of the detection chamber (1), a first electromagnetic valve (14) is mounted on the air outlet pipe (12), and the other end of the air outlet pipe (12) is connected to the outside;
the gas conveying device comprises a collecting pipe (2), and an electric push rod (21) is embedded in the collecting pipe (2); a piston containing cavity (24) is formed in the collecting pipe (2), and a piston (25) is arranged in the piston containing cavity (24); a piston rod (22) is inserted into the piston cavity (24), and one end of the piston rod (22) is fixedly connected with a piston (25); the other end of the piston rod (22) is fixedly connected with the top end of the piston rod of the electric push rod (21); a sealing ring (23) is arranged at the joint of one end of the collection pipe (2) and the piston rod (22); a control panel (26) is installed on the collecting pipe (2), and a touch display screen (27) is embedded in the control panel (26); the controller, the mobile network module, the memory and the GPS positioning module are arranged in the control panel (26); the controller is in communication connection with the server through the mobile network module; an air tap (28) is arranged at one end of the collecting pipe (2), and a second electromagnetic valve (29) is mounted on the air tap (28); the second electromagnetic valve (29) and the electric push rod (21) are both electrically connected with the controller; one end of the air tap (28) is connected in the air inlet pipe (11) through threads.
4. An intelligent atmospheric environmental organic pollutant monitoring instrument according to claim 2, wherein the specific collection steps of collecting atmospheric environmental gas when the selected person arrives at the detection position with the gas delivery device in S5 are as follows:
SS 1: the server sends the detection position, the detection date, the name and the mobile phone number of the user to the corresponding controller; the controller receives the detection position, the detection date and the name and the mobile phone number of the user, displays the detection position and the detection date on the touch display screen (27), and simultaneously sends the detection position, the detection date, the name and the mobile phone number to the memory for storage;
SS 2: after the staff arrives at the detection position, an arrival instruction is input to the controller through the touch display screen (27); the controller receives the arrival instruction, the controller controls the GPS positioning module to work, and the GPS positioning module acquires the current real-time position and sends the current real-time position to the controller; the controller compares the real-time position with the detection position;
SS 3: after the positions are matched, the controller controls the second electromagnetic valve (29) to be opened, meanwhile, the controller controls the electric push rod (21) to drive the piston rod (22) to move, and the piston rod (22) drives the piston (25) to suck air at the detection position into the piston containing cavity (24); the second solenoid valve (29) is then controlled by the controller to close.
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