CN114264778B - VOCS monitoring system for on-line monitoring - Google Patents
VOCS monitoring system for on-line monitoring Download PDFInfo
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Abstract
The invention provides a VOCS monitoring system for on-line monitoring, which comprises: the system comprises a plurality of data acquisition terminals, a monitoring platform and a monitoring server, wherein the data acquisition terminals are in communication connection with the monitoring platforms of all enterprises in a one-to-one correspondence manner and are used for acquiring first VOCS monitoring data of the monitoring platforms of all enterprises; the system comprises a plurality of first data monitoring terminals, a plurality of second data monitoring terminals and a plurality of second data monitoring terminals, wherein the first data monitoring terminals are arranged at first positions outside enterprises or second positions of residential areas near the enterprises and used for monitoring second VOCS monitoring data in the air; and the server is in communication connection with the data acquisition terminal and the first data monitoring terminal respectively, and is used for acquiring the first VOCS monitoring data and the second VOCS monitoring data and constructing a visual monitoring interface based on the first VOCS monitoring data and the second VOCS monitoring data. The VOCS monitoring system for on-line monitoring of the invention realizes the real-time monitoring of VOCS in a monitoring area by an environmental monitoring department, and improves the response speed for dealing with the problem of VOCS abnormity.
Description
Technical Field
The invention relates to the technical field of environmental monitoring, in particular to a VOCS (volatile organic Compounds) monitoring system for on-line monitoring.
Background
Currently, VOCS (Volatile Organic Compounds); an organic compound having a saturated vapor pressure of more than 70Pa at normal temperature and a boiling point of 260 ℃ or less at normal pressure, or all organic compounds having a vapor pressure of 10Pa or more and having volatility at 20 ℃. Generally, the compounds are classified into non-methane hydrocarbons (NMHCs), oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds, and the like. VOCs participate in the formation of ozone and secondary aerosols in the atmospheric environment, which have important effects on regional atmospheric ozone pollution and PM2.5 pollution. Most VOCs have special unpleasant odor and have toxic, irritant, teratogenic and carcinogenic effects, and especially benzene, toluene, formaldehyde and the like cause great harm to human health. VOCs are important precursors causing urban dust haze and photochemical smog and mainly come from the processes of coal chemical industry, petrochemical industry, fuel coating manufacturing, solvent manufacturing and using and the like.
However, the supervision of the environmental regulatory department on the VOCS still mainly passes through public complaints, and the problem of VOCS emission cannot be timely solved, and the VOCS emission cannot be effectively supervised.
Disclosure of Invention
One of the objectives of the present invention is to provide a VOCS monitoring system for online monitoring, which implements real-time monitoring of VOCS in a monitoring area by an environmental monitoring department, and improves a response speed for responding to the VOCS abnormal problem.
The embodiment of the invention provides a VOCS monitoring system for on-line monitoring, which comprises:
the system comprises a plurality of data acquisition terminals, a monitoring platform and a monitoring platform management server, wherein the data acquisition terminals are in communication connection with the monitoring platforms of all enterprises in a one-to-one correspondence manner and are used for acquiring first VOCS monitoring data in the enterprises of the monitoring platforms of all the enterprises;
the system comprises a plurality of first data monitoring terminals, a plurality of second data monitoring terminals and a plurality of second data monitoring terminals, wherein the first data monitoring terminals are arranged at first positions outside enterprises or second positions of residential areas near the enterprises and used for monitoring second VOCS monitoring data in the air;
and the server is in communication connection with the data acquisition terminal and the first data monitoring terminal respectively, and is used for acquiring the first VOCS monitoring data and the second VOCS monitoring data and constructing a visual monitoring interface based on the first VOCS monitoring data and the second VOCS monitoring data.
Preferably, the first data monitoring terminal includes:
a first housing having a mounting structure at one side and an air inlet at the other side;
the VOCS sensor is arranged in a detection cavity in the first shell; the detection cavity is communicated with the air inlet;
the first processor is arranged in the first shell and is electrically connected with the VOCS sensor;
the first wireless communication module is arranged in the first shell, is electrically connected with the first processor and is used for being in communication connection with the server;
and the first positioning module is arranged in the first shell and is electrically connected with the first processor.
Preferably, the data acquisition terminal includes:
a second housing;
the communication interface is arranged on one side of the second shell and is used for being connected with the second communication interface of the monitoring platform through a data line;
the second processor is arranged in the second shell and is electrically connected with the communication interface;
the second wireless communication module is arranged in the second shell, is electrically connected with the second processor and is used for being in communication connection with the server;
and the second positioning module is arranged in the second shell and is electrically connected with the second processor.
Preferably, the VOCS monitoring system for online monitoring further includes:
and the first alarm terminals are in one-to-one correspondence with the first data monitoring terminals, are arranged at a third position outside the enterprise or a fourth position of a residential area near the enterprise, and are in communication connection with the server.
Preferably, the first alarm terminal includes:
a plurality of alarms;
the controller is respectively connected with the plurality of alarms through data lines;
and the third wireless communication module is electrically connected with the controller and is used for being in communication connection with the server.
Preferably, the server performs the following operations:
acquiring a distribution diagram of VOCS (volatile organic Compounds) related equipment of an enterprise uploaded by the enterprise through a monitoring platform;
analyzing the distribution diagram, and determining key parameters and setting positions of each VOCS related device;
acquiring a monitoring area determination library corresponding to each VOCS related device;
determining a monitoring area corresponding to each VOCS related device based on key parameters of each VOCS related device and a monitoring area determination library corresponding to each VOCS related device;
mapping the monitoring area to a distribution diagram based on the setting position of each VOCS related device, and determining a control area;
determining the setting position of each second data monitoring terminal in the enterprise based on the control region;
determining the monitoring area corresponding to each piece of VOCS related equipment based on the key parameters of each piece of VOCS related equipment and the corresponding monitoring area determination library, wherein the determining comprises the following steps:
extracting the characteristics of the key parameters and constructing a key vector;
matching the key vector with the identification vector in the monitoring area determination library to obtain a monitoring area corresponding to the identification vector matched with the key vector in the monitoring area determination library;
based on the control region, determining the setting position of each second data monitoring terminal in the enterprise, including:
step S11: counting and numbering the distribution control areas in the distribution map, and constructing a distribution control area list;
step S12: determining whether an overlapping area exists in a deployment area in the deployment area list; when the distributed control areas exist, determining a first number of distributed control areas corresponding to the overlapping areas;
step S13: the first number of overlapping areas which are larger than a preset threshold value are filtered and removed,
step S14: determining the relevance between the overlapping areas, grouping the overlapping areas and obtaining a plurality of association groups;
step S15: extracting the overlapping regions with the maximum first number in each association group, and taking the central position of the extracted overlapping regions as a first candidate position;
step S16: deleting the deployment area corresponding to the overlapping area corresponding to the first position to be selected from the deployment area list;
step S17: repeatedly executing the step S12 to the step S16 until the control area in the control area list does not have an overlapping area;
step S18: when the control area list is not empty, extracting any position from the control area in the control area list as a second candidate position;
step S19: and taking the first candidate position and the second candidate position as the setting positions of the second data monitoring terminal.
Preferably, the server is further configured to determine the second location, and the specific steps are as follows:
acquiring a city planning map of a monitoring area;
determining a first position point of a monitoring center point of each enterprise in a city planning map;
determining a second position point of the geometric center point of each residential area in the city planning map;
determining enterprises which influence the residential areas by taking the second position point as a center and preset the radius of the influence area;
constructing an influence vector list corresponding to each residential area based on the second position point corresponding to each residential area and the first position point corresponding to the enterprise influencing each residential area;
acquiring a plurality of controllable third candidate positions at the periphery of each residential area and determining third position points of the third candidate positions in the city planning map;
constructing a control vector list corresponding to each residential area based on the third position point and the second position point corresponding to each residential area;
sequentially extracting the influence vectors in the influence vector list, matching the extracted influence vectors with the deployment and control vectors in the deployment and control vector list, and determining the deployment and control vectors matched with the extracted influence vectors in the deployment and control vector list;
and taking all third candidate positions corresponding to the deployment vectors in the deployment vector list matched with the influence vectors in the influence vector list as second positions.
Preferably, the server is further configured to determine the first location, and the specific steps are as follows:
acquiring a city planning map of a monitoring area;
determining a fourth position point on the city planning map corresponding to the set position of each VOCS related device of each enterprise;
acquiring a plurality of distributable fourth candidate positions outside each enterprise and determining fifth position points of the fourth candidate positions in the city planning drawing;
calculating the sum of the distances from the fifth position point to each fourth position point;
determining a sixth position point of the geometric center point of each enterprise in the city planning map;
determining a reference vector based on the fifth position point and the sixth position point with the minimum distance sum; the reference vector is a fifth position point with the minimum sum of pointing distances of the sixth position point;
determining a comparison vector based on the other fifth and sixth location points; comparing the vector to indicate that the sixth position point points to the fifth position point;
calculating an included angle between the reference vector and the comparison vector;
and taking the fifth position point corresponding to the comparison vector with the largest included angle and the fifth position point with the smallest sum of the distances as the first position.
Preferably, when the first position is positioned at two sides of the road, an alarm of the first alarm terminal is arranged at the first position, and an alarm is arranged at two sides of the first position on the road at intervals of a preset interval distance;
the controller performs the following operations:
associating two alarms which are symmetrical at a first position to determine a plurality of control groups;
using the alarm arranged at the first position as a control group;
acquiring an alarm level division rule sent by a server;
determining an alarm mode corresponding to each alarm level based on the control group and the alarm level division rule;
the alarm level division rule comprises an alarm threshold corresponding to each alarm level and a corresponding control group control rule.
Preferably, the server constructs a visual monitoring interface based on the first VOCS monitoring data and the second VOCS monitoring data, including:
acquiring a city planning map of a monitoring area;
mapping and marking each first VOCS monitoring data and each second VOCS monitoring data to a monitoring position corresponding to the city planning map;
when the first VOCS monitoring data or the second VOCS monitoring data is normal, marking by adopting a first marking rule;
and marking by adopting a second marking rule when the first VOCS monitoring data or the second VOCS monitoring data is abnormal.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a VOCS monitoring system for on-line monitoring according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a server execution logic according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
An embodiment of the present invention provides a VOCS monitoring system for online monitoring, as shown in fig. 1, including:
the system comprises a plurality of data acquisition terminals 1, a monitoring platform and a monitoring server, wherein the data acquisition terminals are in communication connection with the monitoring platforms of all enterprises in a one-to-one correspondence manner and are used for acquiring first VOCS monitoring data of the monitoring platforms of all enterprises in the enterprises;
the first data monitoring terminals 3 are arranged at a first position outside an enterprise or a second position of a residential area near the enterprise and used for monitoring second VOCS monitoring data in the air;
and the server 2 is in communication connection with the data acquisition terminal 1 and the first data monitoring terminal 3 respectively, and is used for acquiring the first VOCS monitoring data and the second VOCS monitoring data and constructing a visual monitoring interface based on the first VOCS monitoring data and the second VOCS monitoring data.
The working principle and the beneficial effects of the technical scheme are as follows:
the data acquisition terminal 1 is used for monitoring VOCS (volatile organic Compounds) discharge or leakage in enterprises by acquiring monitoring data of VOCS sensors in the enterprises by the existing monitoring platforms in the enterprises; a plurality of first data monitoring terminals 3 are arranged outside an enterprise and in residential areas, so that the outward leakage or emission of the enterprise is monitored, VOCS gas influencing residents in the residential areas is monitored, and the physical health of the residents in the residential areas is guaranteed; the server 2 is arranged in a monitoring room of a supervision department to realize real-time monitoring; and realizing visual monitoring through a visual monitoring interface constructed by the VOCS monitoring data. The VOCS monitoring system for on-line monitoring of the invention realizes the real-time monitoring of VOCS in a monitoring area by an environmental monitoring department, and improves the response speed for dealing with the problem of VOCS abnormity.
In one embodiment, the first data monitoring terminal 3 includes:
a first housing, one side of which is provided with a mounting structure and the other side of which is provided with an air inlet; the mounting structure is convenient to mount the first shell on the mounting column, for example: a clamp structure or mounting hole, etc.; the air inlet is a reserved hole on the shell and is used for pumping the gas to be detected into the detection cavity from the air inlet for detection;
the VOCS sensor is arranged in a detection cavity in the first shell; the detection cavity is communicated with the air inlet; the VOCS sensor is a core component for detecting the content of volatile organic compounds in air;
the first processor is arranged in the first shell and is electrically connected with the VOCS sensor; the first processor mainly collects monitoring data of the VOCS sensor and sends the monitoring data to the server 2 through the first wireless communication module;
the first wireless communication module is arranged in the first shell, is electrically connected with the first processor and is used for being in communication connection with the server 2; the first wireless communication module includes: one or more of a WI F I communication module, an infrared communication module, a Bluetooth communication module and an 3/4/5G communication module are combined;
the first positioning module is arranged in the first shell and is electrically connected with the first processor; when the first processor sends monitoring data to the server 2 through the first wireless communication module, the first processor synchronously sends positioning data of the first positioning module to the server 2, and whether the first data monitoring terminal 3 moves in position or not and whether the monitoring data are real and effective are determined through the positioning data of the first positioning module.
In one embodiment, the data acquisition terminal 1 includes:
a second housing; the magnetic attraction structure or the sticking structure is arranged on the back of the second shell and can be directly stuck to the equipment of the monitoring platform of an enterprise;
the communication interface is arranged on one side of the second shell and is used for being connected with the second communication interface of the monitoring platform through a data line; data interconnection is carried out between the monitoring platform and the communication interface, so that first VOCS monitoring data of each second data monitoring terminal in the enterprise are obtained through the monitoring platform; the communication interface includes: one or more of a USB interface, an RS484 interface and an RS232 interface;
the second processor is arranged in the second shell and is electrically connected with the communication interface;
the second wireless communication module is arranged in the second shell, is electrically connected with the second processor and is used for being in communication connection with the server 2; the second processor acquires first VOCS monitoring data of each second data monitoring terminal in the enterprise from the monitoring platform through the communication interface, and sends the first VOCS monitoring data to the server 2 through the second wireless communication module;
the second positioning module is arranged in the second shell and is electrically connected with the second processor; and when the second processor sends the monitoring data to the server 2 through the second wireless communication module, the positioning data of the second positioning module is synchronously sent, and whether the data acquisition terminal 1 moves and the truth and effectiveness of the monitoring data are determined through the positioning data of the second positioning module.
In one embodiment, the VOCS monitoring system for online monitoring further comprises:
the first alarm terminals are in one-to-one correspondence with the first data monitoring terminals 3 and are arranged at a third position outside an enterprise or a fourth position of a residential area near the enterprise, and are in communication connection with the server 2.
Wherein, first warning terminal includes:
a plurality of alarms;
the controller is respectively connected with the plurality of alarms through data lines;
and the third wireless communication module is electrically connected with the controller and is used for being in communication connection with the server 2.
The working principle and the beneficial effects of the technical scheme are as follows:
the alarm can adopt one or more of a loudspeaker, an audible and visual alarm and an LED alarm lamp; through associating first alarm terminal and first data monitoring terminal 3 one-to-one, realize when the data that first data monitoring terminal 3 detected are unusual, output is reported to the police to remind the resident of crossing the enterprise outside and residential area to make protection work, avoid inhaling the gas harmful to the human body.
In one embodiment, as shown in FIG. 2, the server 2 performs the following operations:
step S1: acquiring a distribution diagram of VOCS (volatile organic Compounds) related equipment of an enterprise uploaded by the enterprise through a monitoring platform; the VOCS related equipment comprises VOCS gas generating equipment, VOCS gas purifying equipment, VOCS gas collecting/conveying pipelines and the like;
step S2: analyzing the distribution diagram, and determining key parameters and setting positions of each VOCS related device; wherein the key parameters include: parameters representing the type of the VOCS related equipment, parameters representing the shape of the VOCS related equipment, parameters representing the volume of the VOCS related equipment, parameters representing the sizes of all parts of the VOCS related equipment and the like;
step S3: acquiring a monitoring area determination library corresponding to each VOCS related device; the monitoring area determining library is constructed by analyzing a large amount of test data in advance, namely, the corresponding optimal and effective monitoring areas are determined corresponding to various types of VOCS related equipment; for example, 1M area around each connection point of the transfer line; a two meter area around the equipment generating the VOCS gas, etc.;
step S4: determining a monitoring area corresponding to each VOCS related device based on key parameters of each VOCS related device and a monitoring area determination library corresponding to each VOCS related device;
step S5: mapping the monitoring area to a distribution diagram based on the setting position of each VOCS related device, and determining a control area;
step S6: determining the setting position of each second data monitoring terminal in the enterprise based on the control region;
determining the monitoring area corresponding to each piece of VOCS related equipment based on the key parameters of each piece of VOCS related equipment and the corresponding monitoring area determination library, wherein the determining comprises the following steps:
extracting the characteristics of the key parameters and constructing a key vector; the parameter values of the key parameters can be directly extracted to be used as characteristic values or the key parameters are quantized to obtain the characteristic values, and then the extracted characteristic values are arranged according to a set sequence to determine key vectors;
matching the key vector with the identification vector in the monitoring area determination library to obtain a monitoring area corresponding to the identification vector matched with the key vector in the monitoring area determination library; wherein, with the identification vector phase-match in key vector and the monitoring area confirms the storehouse, can adopt the similarity matching mode, specifically be: calculating the similarity between the key vector and the identification vector, wherein the calculation formula is as follows:
wherein P is the similarity, γ i The ith parameter value of the key vector; theta i Is the ith parameter value of the identification vector; n is the total number of parameters in the key vector or the total number of parameters in the identification vector; when the similarity is the maximum in the monitoring area determination library and is greater than a preset threshold value, determining that the key vector is matched with the identification vector;
step S6: based on the control region, determining the setting position of each second data monitoring terminal in the enterprise, including:
step S11: counting and numbering the distribution control areas in the distribution map, and constructing a distribution control area list;
step S12: determining whether an overlapping area exists in a deployment area in the deployment area list; when the distributed control areas exist, determining a first number of distributed control areas corresponding to the overlapping areas;
step S13: screening and removing the overlapped areas with the first number larger than the preset threshold value, and when the number of the distributed control areas corresponding to the overlapped areas is too large, setting of the data monitoring terminals is not suitable, so that an enterprise is not facilitated to determine abnormal equipment according to the second data monitoring terminal which monitors data abnormality, and the achievement of the final purpose of monitoring is not facilitated; therefore, by setting a threshold value, it is avoided that such a position is set as a position set by the second data monitoring terminal, and the threshold value may be set to any value of 4 or more than 4;
step S14: determining the relevance between the overlapping areas, grouping the overlapping areas and obtaining a plurality of associated groups;
step S15: extracting the overlapping regions with the maximum first number in each association group, and taking the central position of the extracted overlapping regions as a first candidate position;
step S16: deleting the deployment area corresponding to the overlapping area corresponding to the first position to be selected from the deployment area list;
step S17: repeatedly executing the step S12 to the step S16 until the control area in the control area list does not have an overlapping area;
step S18: when the control area list is not empty, extracting any position from the control area in the control area list as a second candidate position;
step S19: and taking the first candidate position and the second candidate position as the setting positions of the second data monitoring terminal.
The working principle and the beneficial effects of the technical scheme are as follows:
through the central position of the overlapping area, the monitoring of the second data monitoring terminal on multiple devices is realized, the enterprise distribution and control cost is reduced, and the second data monitoring terminal is arranged in the effective monitoring area of the devices, so that the monitoring reliability is ensured.
In one embodiment, the server 2 is further configured to determine the second location, and the specific steps are as follows:
acquiring a city planning map of a monitoring area;
determining a first position point of a monitoring center point of each enterprise in a city planning map; the monitoring center can be a point in an enterprise with the shortest sum of distances to the positions set by the second data monitoring terminals set by the devices or a point with the shortest sum of distances to the set positions of the devices;
determining a second position point of the geometric center point of each residential area in the city planning map;
determining enterprises which influence each residential area by taking the second position point as a center and a preset radius of the influence area (such as 4 KM);
constructing an influence vector list corresponding to each residential area based on the second position point corresponding to each residential area and the first position point corresponding to the enterprise influencing each residential area; the influence vector list consists of various influence vectors, and the influence vectors point to the first position point from the second position point;
acquiring a plurality of controllable third candidate positions (determined by sampling the enclosing wall of the residential area by adopting a distance sampling method) at the periphery of each residential area and determining third position points of the third candidate positions in the urban planning map;
constructing a control vector list corresponding to each residential area based on the third position point and the second position point corresponding to each residential area; the control vector list consists of control vectors, and the control vectors point to a third position point from the second position point;
sequentially extracting the influence vectors in the influence vector list, matching the extracted influence vectors with the deployment and control vectors in the deployment and control vector list, and determining the deployment and control vectors matched with the extracted influence vectors in the deployment and control vector list;
and taking all third candidate positions corresponding to the deployment vectors in the deployment vector list matched with the influence vectors in the influence vector list as second positions.
And when the included angle is minimum, determining that the influence vector is matched with the control distribution vector.
The working principle and the beneficial effects of the technical scheme are as follows:
the first data monitoring terminal 3 is arranged at the position where the residential area is firstly contacted with the VOCS gas discharged from an enterprise, so that abnormity can be determined at the first time, and the timeliness of abnormity determination is guaranteed.
In one embodiment, the server 2 is further configured to determine the first location, and the specific steps are as follows:
acquiring a city planning map of a monitoring area;
determining a fourth position point on the city planning map corresponding to the set position of each VOCS related device of each enterprise;
acquiring a plurality of distributable fourth candidate positions outside each enterprise and determining fifth position points of the fourth candidate positions in the city planning drawing;
calculating the sum of the distances from the fifth position point to each fourth position point;
determining a sixth position point of the geometric center point of each enterprise in the city planning map;
determining a reference vector based on the fifth position point and the sixth position point with the minimum distance sum; the reference vector is a fifth position point with the minimum sum of pointing distances of the sixth position point;
determining a comparison vector based on the other fifth and sixth location points; comparing the vector to indicate that the sixth position point points to the fifth position point;
calculating an included angle between the reference vector and the comparison vector;
and taking the fifth position point corresponding to the comparison vector with the largest included angle and the fifth position point with the smallest sum of the distances as the first position.
The working principle and the beneficial effects of the technical scheme are as follows:
the monitoring of the discharge or leakage condition of the VOCS in the enterprise is realized by selecting reasonable distribution and control points outside the enterprise, the fifth position point with the minimum distance sum is used for timely and efficiently monitoring, and meanwhile, the fifth position point corresponding to the comparison vector with the maximum included angle is set to be matched with the monitoring condition of the discharge or leakage of the VOCS influenced by wind direction and the like.
In one implementation, when the first position is located on two sides of the road, one alarm of the first alarm terminal is arranged at the first position, and one alarm is arranged on the road at intervals of preset interval distance (50 meters) on two sides of the first position;
the controller performs the following operations:
associating two alarms which are symmetrical at a first position to determine a plurality of control groups;
using the alarm arranged at the first position as a control group;
acquiring an alarm level division rule sent by the server 2;
determining an alarm mode corresponding to each alarm level based on the control group and the alarm level division rule;
the alarm level division rule comprises an alarm threshold corresponding to each alarm level and a corresponding control group control rule.
The working principle and the beneficial effects of the technical scheme are as follows:
the method comprises the steps that by means of dividing alarm levels, the VOCS gas content is displayed in a high degree mode in an alarm mode of a first alarm terminal, and passers-by are reminded of avoiding; for example: the first alarm terminal is provided with 5 alarms, the first alarm is arranged at the first position, the number of the alarm is 1, in addition, every two alarms are arranged at the positions 50 meters away from the first position and 100 meters away from the first position respectively, the numbers of the alarms arranged at the positions 50 meters are 2 and 3, and the numbers of the alarms arranged at the positions 100 meters are 4 and 5. The alarm mode is divided into three stages from low to high; wherein, the first level, slight leakage, the number of alarm work is 1; second, moderate leakage, alarm numbers 1, 2 and 3; third, severe leak, alarm job numbers 1, 2, 3, 4 and 5.
In one embodiment, the server 2 constructs a visual monitoring interface based on the first VOCS monitoring data and the second VOCS monitoring data, including:
acquiring a city planning map of a monitoring area;
mapping and marking each first VOCS monitoring data and each second VOCS monitoring data to a monitoring position corresponding to the city planning map;
when the first VOCS monitoring data or the second VOCS monitoring data are normal, marking by adopting a first marking rule;
and marking by adopting a second marking rule when the first VOCS monitoring data or the second VOCS monitoring data is abnormal.
The working principle and the beneficial effects of the technical scheme are as follows:
the method comprises the steps that a city planning graph is used as a monitoring background, data of each monitoring point are marked, and visual data monitoring is achieved, wherein the first mark is displayed in a green font, and the second mark is displayed in a red font; still further, the incident may be ranked based on the excess value of the anomaly data, each ranking being indicated in a different color. In addition, a second alarm terminal can be connected to the server 2 to alarm and remind when data is abnormal.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.
Claims (9)
1. A VOCS monitoring system for online monitoring, comprising:
the system comprises a plurality of data acquisition terminals, a monitoring platform and a monitoring server, wherein the data acquisition terminals are in communication connection with the monitoring platforms of all enterprises in a one-to-one correspondence manner and are used for acquiring first VOCS monitoring data of the monitoring platforms of all enterprises;
the system comprises a plurality of first data monitoring terminals, a plurality of second data monitoring terminals and a plurality of second data monitoring terminals, wherein the first data monitoring terminals are arranged at first positions outside enterprises or second positions of residential areas near the enterprises and used for monitoring second VOCS monitoring data in the air;
the server is respectively in communication connection with the data acquisition terminal and the first data monitoring terminal and is used for acquiring the first VOCS monitoring data and the second VOCS monitoring data and constructing a visual monitoring interface based on the first VOCS monitoring data and the second VOCS monitoring data;
the server performs the following operations:
acquiring a distribution diagram of VOCS related equipment of the enterprise uploaded by the enterprise through the monitoring platform;
analyzing the distribution diagram, and determining key parameters and setting positions of each VOCS related device;
acquiring a monitoring area determination library corresponding to each piece of VOCS related equipment;
determining a monitoring region corresponding to each VOCS related device based on the key parameters of each VOCS related device and the corresponding monitoring region determination library;
mapping the monitoring area to the distribution diagram based on the set position of each VOCS related device to determine a distribution control area;
determining the setting position of each second data monitoring terminal in the enterprise based on the control region;
wherein, the determining the monitoring region corresponding to each VOCS-related device based on the key parameter of each VOCS-related device and the monitoring region determination library corresponding thereto includes:
extracting the characteristics of the key parameters and constructing a key vector;
matching the key vector with an identification vector in the monitoring region determination library to obtain the monitoring region corresponding to the identification vector matched with the key vector in the monitoring region determination library;
the determining the setting position of each second data monitoring terminal in the enterprise based on the control area comprises:
step S11: counting and numbering the control areas in the distribution diagram, and constructing a control area list;
step S12: determining whether the deployment areas in the deployment area list have overlapping areas; when the distributed control areas exist, determining a first number of the distributed control areas corresponding to the overlapped areas;
step S13: filtering out the overlapping areas with the first number larger than a preset threshold value,
step S14: determining the relevance among the overlapping areas, grouping the overlapping areas and acquiring a plurality of association groups;
step S15: extracting the overlapping regions with the maximum first number in each association group, and taking the central position of the extracted overlapping regions as a first candidate position;
step S16: deleting the deployment control area corresponding to the overlapping area corresponding to the first position to be selected from the deployment control area list;
step S17: repeating the steps S12-S16 until there is no overlapping area for the deployment areas in the list of deployment areas;
step S18: when the deployment area list is not empty, extracting any position from the deployment area in the deployment area list as a second candidate position;
step S19: and taking the first candidate position and the second candidate position as the setting positions of the second data monitoring terminal.
2. The VOCS monitoring system for on-line monitoring of claim 1, wherein the first data monitoring terminal comprises:
a first housing, one side of which is provided with a mounting structure and the other side of which is provided with an air inlet;
a VOCS sensor disposed in the detection chamber within the first housing; the detection cavity is communicated with the air inlet;
the first processor is arranged in the first shell and is electrically connected with the VOCS sensor;
the first wireless communication module is arranged in the first shell, is electrically connected with the first processor and is used for being in communication connection with the server;
and the first positioning module is arranged in the first shell and is electrically connected with the first processor.
3. The VOCS monitoring system for on-line monitoring of claim 1, wherein the data acquisition terminal comprises:
a second housing;
the communication interface is arranged on one side of the second shell and is used for being connected with the second communication interface of the monitoring platform through a data line;
the second processor is arranged in the second shell and is electrically connected with the communication interface;
the second wireless communication module is arranged in the second shell, is electrically connected with the second processor and is used for being in communication connection with the server;
and the second positioning module is arranged in the second shell and is electrically connected with the second processor.
4. The VOCS monitoring system for on-line monitoring as recited in claim 1, further comprising:
and the first alarm terminals are in one-to-one correspondence with the first data monitoring terminals, are arranged at a third position outside the enterprise or a fourth position of a residential area near the enterprise, and are in communication connection with the server.
5. The VOCS monitoring system for on-line monitoring of claim 4, wherein the first alarm terminal comprises:
a plurality of alarms;
the controller is respectively connected with the plurality of alarms through data lines;
and the third wireless communication module is electrically connected with the controller and is used for being in communication connection with the server.
6. The VOCS monitoring system for online monitoring of claim 1, wherein the server is further configured to determine the second location by the specific steps of:
acquiring a city planning map of a monitoring area;
determining a first position point of a monitoring center point of each enterprise in the city planning map;
determining a second position point of the geometric center point of each residential area in the urban planning map;
determining enterprises which affect each residential area by taking the second position point as a center and a preset radius of the affected area;
constructing an influence vector list corresponding to each residential area based on the second position point corresponding to each residential area and the first position point corresponding to the enterprise influencing each residential area;
acquiring a plurality of controllable third candidate positions at the periphery of each residential area and determining third position points of the third candidate positions in the city planning map;
constructing a control vector list corresponding to each residential area based on the third position point and the second position point corresponding to each residential area;
sequentially extracting the influence vectors in the influence vector list, matching the extracted influence vectors with the deployment and control vectors in the deployment and control vector list, and determining the deployment and control vectors matched with the extracted influence vectors in the deployment and control vector list;
and taking all the third candidate positions corresponding to the deployment vectors in the deployment vector list matched with the influence vectors in the influence vector list as the second positions.
7. The VOCS monitoring system for online monitoring of claim 5, wherein the server is further configured to determine the first location by the specific steps of:
acquiring a city planning map of a monitoring area;
determining that the set position of each VOCS related device of each enterprise corresponds to a fourth position point on the city planning map;
acquiring a plurality of controllable fourth candidate positions outside each enterprise and determining fifth position points of the fourth candidate positions in the city planning map;
calculating the sum of the distances from the fifth position point to each fourth position point;
determining a sixth location point of the geometric center point of each business in the city planning map;
determining a reference vector based on the fifth position point and the sixth position point where the sum of the distances is minimum; the reference vector points to a fifth position point with the minimum distance sum for the sixth position point;
determining a comparison vector based on the other of the fifth and sixth location points; the comparison vector indicates that the sixth position point points to a fifth position point;
calculating an included angle between the reference vector and the comparison vector;
and taking the fifth position point corresponding to the comparison vector with the largest included angle and the fifth position point with the smallest sum of the distances as the first position.
8. The VOCS monitoring system for on-line monitoring of claim 7, wherein when the first location is located at both sides of a road, one alarm of the first alarm terminal is provided at the first location, and one alarm is provided at every predetermined interval distance on both sides of the first location on the road;
the controller performs the following operations:
associating two alarms which are symmetrical at a first position to determine a plurality of control groups;
setting said alarm in a first position as one of said control groups;
acquiring an alarm level division rule sent by the server;
determining an alarm mode corresponding to each alarm level based on the control group and the alarm level division rule;
the alarm level division rule comprises an alarm threshold corresponding to each alarm level and a corresponding control group control rule.
9. The VOCS monitoring system for online monitoring as recited in claim 1, wherein the server constructs a visual monitoring interface based on the first VOCS monitoring data and the second VOCS monitoring data, comprising:
acquiring a city planning map of a monitoring area;
mapping and marking each first VOCS monitoring data and each second VOCS monitoring data to a monitoring position corresponding to the city planning map;
when the first VOCS monitoring data or the second VOCS monitoring data are normal, marking by adopting a first marking rule;
and when the first VOCS monitoring data or the second VOCS monitoring data is abnormal, marking by adopting a second marking rule.
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| US5832411A (en) * | 1997-02-06 | 1998-11-03 | Raytheon Company | Automated network of sensor units for real-time monitoring of compounds in a fluid over a distributed area |
| CN107064417A (en) * | 2016-12-21 | 2017-08-18 | 北京印刷学院 | A kind of VOCs on-line monitoring methods of printing machine neighborhood |
| CN106841436A (en) * | 2017-01-18 | 2017-06-13 | 上海市环境监测中心 | A kind of automatic monitoring and warning traceability systems of Industrial Area Atmospheric VOCs and its method |
| US11073503B2 (en) * | 2017-07-21 | 2021-07-27 | Molex, Llc | Area monitoring device, and method of operating same |
| CN207440038U (en) * | 2017-08-17 | 2018-06-01 | 山东保蓝数据服务有限公司 | A kind of VOCS on-line monitoring systems |
| CN110736808A (en) * | 2018-07-19 | 2020-01-31 | 上海云谱环保科技有限公司 | VOCs on-line monitoring method, monitoring system memory and monitoring device |
| CN208443819U (en) * | 2018-08-09 | 2019-01-29 | 深圳市奥缘科技有限公司 | A kind of VOCs on-Line Monitor Device |
| CN108984960B (en) * | 2018-08-14 | 2023-01-31 | 山东益华通润环保科技有限公司 | Rapid and accurate positioning and sampling point distribution method for volatile organic pollution |
| CN209690263U (en) * | 2019-01-26 | 2019-11-26 | 广州市绿森环保设备有限公司 | A kind of VOCS monitoring device of the movable type based on Internet of Things |
| CN112067755A (en) * | 2020-09-15 | 2020-12-11 | 山东光测环境科技有限公司 | VOCS (volatile organic Compounds) detection system for online monitoring |
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| CN113627020A (en) * | 2021-08-12 | 2021-11-09 | 中山火炬职业技术学院 | Printing workshop VOCs diffusion model and intelligent monitoring system |
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