CN114280248A - VOCs pollution navigation real-time monitoring device and monitoring method - Google Patents
VOCs pollution navigation real-time monitoring device and monitoring method Download PDFInfo
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- CN114280248A CN114280248A CN202111637109.2A CN202111637109A CN114280248A CN 114280248 A CN114280248 A CN 114280248A CN 202111637109 A CN202111637109 A CN 202111637109A CN 114280248 A CN114280248 A CN 114280248A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention relates to the technical field of VOCs pollution monitoring, and discloses a VOCs pollution sailing real-time monitoring device and a monitoring method, wherein the device comprises a storage battery, a communication unit and a VOCs online monitor which are arranged in a carriage, and the top of the carriage is fixedly connected with an air box assembly for isolating sampling points; air inlet components are arranged at the air inlet ends on the two sides of the air box component; the wind speed that flows in through air inlet subassembly control, when sampling, through the air suction of convulsions subassembly in with bellows subassembly, make bellows subassembly be in negative pressure state, make bellows subassembly utilize air inlet subassembly slowly to go into the external air pump, the air speed that lets in only receives the influence of convulsions subassembly, make external air current can be stable go into the measuring terminal by the pump go into and detect, and simultaneously, through setting up the speedometer, the speedometer monitors vehicle speed, when the traffic jam, steerable aspiration pump stop work, avoid the aspiration pump to continue to bleed when the traffic jam, further promote the accuracy that detects.
Description
Technical Field
The invention relates to the technical field of VOCs pollution monitoring, in particular to a VOCs pollution sailing real-time monitoring device and a monitoring method.
Background
VOCs are generally 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 unpleasant special odor and have toxic, irritant, teratogenic and carcinogenic effects, and particularly 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.
At present, with the development of industrialization, the first stage is similar to a chemical plant, a petrochemical plant and the like are easy to generate pollution leakage, a pollution source cannot be found quickly when the leakage occurs, the diffusion track of pollution cannot be predicted quickly, if the pollution is diffused to public areas such as communities, parks, office buildings and the like, if the pollution is not processed and predicted quickly, some environmental events and complaints can be caused, and relevant negative messages are generated.
Among the prior art, at the in-process of navigating, the extraction sampling to gas receives the influence of wind speed and speed of a motor vehicle, and when wind speed or speed of a motor vehicle were very fast, the air disturbance around the sampling pole was great for the deviation of the air of sampling when the wind speed is great or less is very big, leads to measurement accuracy not high, and then influences the judgement that the VOCs vehicle of navigating traced to the source to the pollution.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a VOCs pollution real-time monitoring device and a monitoring method, which have the advantage of high measurement precision, and solve the problems that the extraction and sampling of gas are influenced by the wind speed and the vehicle speed in the process of sailing, and when the wind speed or the vehicle speed is higher, the air disturbance around a sampling rod is larger, so that the deviation of the sampled air is larger or smaller when the wind speed is higher or lower, the measurement precision is not high, and the judgment of the VOCs sailing vehicle on pollution source tracing is influenced.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a real-time monitoring device for VOCs pollution navigation comprises a storage battery, a communication unit and a VOCs online monitor which are arranged inside a carriage, wherein the top of the carriage is fixedly connected with an air box assembly for isolating sampling points;
the air inlet end of each of the two sides of the air box component is provided with an air inlet component, each air inlet component comprises a windshield, and the outer side wall of each windshield is provided with an air inlet groove;
an air draft assembly is fixedly connected inside the air box assembly and comprises an air draft pump, an air inlet end of the air draft pump is fixedly connected with a three-way pipe, two ends of the three-way pipe are fixedly connected with an air draft pipe, one end of the air draft pipe is provided with an air draft cover, and an air outlet end of the air draft pump is provided with a connecting pipe;
one end of the connecting pipe is provided with a drying component for drying gas, and one end of the drying component is connected with the sampling end of the VOCs online monitor.
Preferably, the bellows subassembly includes the box, the inside of box is equipped with the filter screen of symmetrical arrangement and crosses the filter pulp, the outside of filter screen is equipped with the PM sensor.
Through adopting above-mentioned scheme, the PM sensor in the outside of filter screen at first monitors the PM value in the inspiratory air, and impurity in the rethread filter screen and the filter pulp in to the air filters, avoids impurity to influence subsequent detection.
Preferably, the filter screen adopts stainless steel's metal filter screen, the filter pulp adopts multilayer non-woven fabrics structure.
By adopting the scheme, the filter screen preliminarily filters air, and the filter cotton adsorbs and filters fine particles.
Preferably, the top fixedly connected with environment monitoring subassembly of bellows subassembly, the environment monitoring subassembly includes the monitoring station, the electronic revolving stage of top fixedly connected with, miniature weather station and the small-size GPS of monitoring station, the top of electronic revolving stage is rotated and is connected with the camera, the top fixedly connected with light of camera.
Through adopting above-mentioned scheme, the monitoring station supports monitoring facilities, and the camera records a video to the road around the vehicle, conveniently knows the vehicle condition on road, and miniature weather station and small-size GPS monitor or the record to weather information and positional information respectively.
Preferably, the opposite side of the windshield is located the inside wall of the air box assembly is provided with a support, the outside wall of the support is fixedly connected with a spring rod, one end of the spring rod is fixedly connected with a wind shield, and the outside wall of the windshield is fixedly connected with a speedometer.
Through adopting above-mentioned scheme, through setting up the speedometer, when the speedometer monitoring speed of a motor vehicle stops, steerable aspiration pump stop work avoids the aspiration pump to continue to bleed when the traffic congestion, further promotes the accuracy that detects, and in addition, the deep bead blocks external air, avoids external air initiative admission incasement.
Preferably, dry subassembly includes the fibre drying tube, the one end of fibre drying tube with even union coupling, the other end and sampling union coupling, the sweep gas of sampling pipe flows back to the fibre drying tube in through the sweep gas pipe, the hydrofuge end of fibre drying tube is equipped with the hydrofuge pipe, the one end of hydrofuge pipe with the filter pulp links to each other.
Through adopting above-mentioned scheme, when the gas that dry lets in, the purge gas pipe is with partly dry air reflux to the fibre drying tube in, makes the moisture in the fibre drying tube get into the filter pulp by the hydrofuge pipe in, makes the device can carry out the humidification to the filter pulp voluntarily, further promotes the filtering quality of the device.
Preferably, a dehumidifying film is disposed inside the fiber drying tube.
By adopting the scheme, the dehumidification membrane separates water vapor by utilizing pressure difference.
A VOCs pollution navigation real-time monitoring method comprises the following steps:
s1: defining a navigation area and establishing a navigation path;
s2: accessing the equipment to an IOT data platform;
s3: starting the navigation vehicle to enable the navigation vehicle to travel along the navigation path;
s4: monitoring atmospheric data of the navigation environment by using an environment monitoring assembly;
s5: monitoring VOCs pollution of the navigation environment by using a VOCs online monitor;
s6: importing the monitored data into an IOT data platform, and carrying out full-automatic data acquisition by using navigation analysis software;
s7: the analyzed data is visualized, and the influence of external transportation and local pollution on the air quality of the urban area is conveniently estimated.
(III) advantageous effects
Compared with the prior art, the invention provides a VOCs pollution sailing real-time monitoring device and a monitoring method, and the device and the method have the following beneficial effects:
through setting up bellows subassembly and air inlet subassembly, utilize bellows subassembly to keep apart into sealed environment with the sampling point, the wind speed that rethread air inlet subassembly control flowed in, when sampling, through the air suction of air draft subassembly in with bellows subassembly, make bellows subassembly be in the negative pressure state, make bellows subassembly utilize air inlet subassembly slowly to go into with the external air pump, the air velocity that lets in only receives air draft subassembly's influence, make external air current can be stable go into to detect in the sense terminal by the pump, and simultaneously, through setting up the speedometer, the speedometer monitors vehicle speed, when the traffic jam, steerable aspiration pump stop work, avoid the aspiration pump to continue to bleed when the traffic jam, further promote the accuracy that detects.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an environmental monitoring assembly according to the present invention;
FIG. 3 is a schematic structural view of a bellows assembly according to the present invention;
FIG. 4 is a schematic structural view of an air intake assembly according to the present invention;
FIG. 5 is a schematic view of the structure of the air extraction assembly of the present invention;
fig. 6 is a schematic view of the structure of the drying assembly of the present invention.
In the figure: 10. a carriage;
20. a storage battery;
30. a communication unit;
40. VOCs on-line monitor;
50. a bellows assembly; 51. a box body; 52. a filter screen; 53. filtering cotton; 54. a PM sensor;
60. an environmental monitoring component; 61. a monitoring station; 62. an electric turntable; 63. a camera; 64. an illuminating lamp; 65. a micro weather station; 66. a small GPS;
70. an air intake assembly; 71. a windshield; 72. an air inlet groove; 73. a support; 74. a spring lever; 75. a wind deflector; 76. a vehicle speed meter;
80. an air draft assembly; 81. an air pump; 82. a three-way pipe; 83. an exhaust pipe; 84. an air draft cover; 85. connecting pipes;
90. a drying assembly; 91. a fiber drying tube; 92. a sampling tube; 93. a purge gas pipe; 94. and (4) a moisture removal pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
Example one
A VOCs pollution real-time monitoring device that navigates, including the inside battery 20 that is equipped with of carriage 10, communication unit 30 and VOCs on-line monitoring ware 40, the top fixedly connected with of carriage 10 is used for keeping apart bellows subassembly 50 of sampling point, bellows subassembly 50 includes box 51, the inside of box 51 is equipped with symmetrical arrangement's filter screen 52 and filter pulp 53, filter screen 52 adopts the metal filter screen of stainless steel material, filter pulp 53 adopts multilayer non-woven fabrics structure, the outside of filter screen 52 is equipped with PM sensor 54, the top fixedly connected with environment monitoring subassembly 60 of bellows subassembly 50, environment monitoring subassembly 60 includes monitoring station 61, the top fixedly connected with electric turntable 62 of monitoring station 61, miniature meteorological station 65 and 66, the top of electric turntable 62 rotates and is connected with camera 63, the top fixedly connected with light 64 of camera 63;
the air inlet end of the two sides of the air box assembly 50 is provided with an air inlet assembly 70, the air inlet assembly 70 comprises a windshield 71, the opposite side of the windshield 71 is positioned on the inner side wall of the air box assembly 50 and is provided with a bracket 73, the outer side wall of the bracket 73 is fixedly connected with a spring rod 74, one end of the spring rod 74 is fixedly connected with a windshield 75, the outer side wall of the windshield 71 is fixedly connected with a speedometer 76, and the outer side wall of the windshield 71 is provided with an air inlet groove 72;
an air draft assembly 80 is fixedly connected inside the air box assembly 50, the air draft assembly 80 comprises an air suction pump 81, an air inlet end of the air suction pump 81 is fixedly connected with a three-way pipe 82, two ends of the three-way pipe 82 are fixedly connected with an air draft pipe 83, one end of the air draft pipe 83 is provided with an air draft cover 84, and an air outlet end of the air suction pump 81 is provided with a connecting pipe 85;
one end of the connecting pipe 85 is provided with a drying component 90 for drying gas, and one end of the drying component 90 is connected with the sampling end of the VOCs online monitor 40.
Referring to fig. 1-6, before monitoring, firstly defining a navigation area, establishing a navigation path, accessing the equipment to an IOT data platform, after completing accessing, starting the navigation vehicle, enabling the navigation vehicle to travel along the navigation path, monitoring atmospheric data of the navigation environment by using an environment monitoring assembly 60, monitoring VOCs pollution of the navigation environment by using a VOCs online monitor 40, when sampling, pumping air in an air box assembly 50 through an air draft assembly 80, enabling the air box assembly 50 to be in a negative pressure state, enabling the air box assembly 50 to slowly pump in external air by using an air intake assembly 70, enabling the introduced air flow rate to be only influenced by the air draft assembly 80, enabling the external air flow to be stably pumped into a detection end for detection, meanwhile, by setting a speedometer 76, monitoring the vehicle speed by the speedometer 76, and when the vehicle is in operation, controlling the air pump 81 to stop, avoid aspiration pump 81 to continue to bleed when the traffic congestion, further promote the accuracy of detection, lead in the IOT data platform with the data of monitoring again, utilize the analysis software of navigating freely to carry out full automatization data acquisition, finally, with the data visualization of analysis, conveniently estimate the influence that external transport and local pollution produced urban area air quality.
Example two
The automatic humidifying function is added on the basis of the first embodiment.
Drying assembly 90 includes fibre drying tube 91, and fibre drying tube 91's one end is connected with connecting pipe 85, and the other end is connected with sampling tube 92, and sampling tube 92's sweep gas flows back to fibre drying tube 91 in through sweep gas pipe 93, and fibre drying tube 91's the end of dehumidifying is equipped with hydrofuge pipe 94, and the one end of hydrofuge pipe 94 links to each other with filter pulp 53, and fibre drying tube 91's inside is equipped with the dehumidification membrane.
Referring to fig. 1-6, when the introduced gas is dried, the purge gas pipe 93 returns a part of the dried air to the fiber drying pipe 91, so that the moisture in the fiber drying pipe 91 enters the filter cotton 53 through the moisture exhaust pipe 94, and the filter cotton 53 can be automatically humidified by the device, thereby further improving the filtering performance of the device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a VOCs pollutes real-time supervision device that navigates, is equipped with battery (20), communication unit (30) and VOCs on-line monitoring ware (40) including the inside of carriage (10), its characterized in that: an air box assembly (50) for isolating a sampling point is fixedly connected to the top of the carriage (10);
air inlet components (70) are arranged at air inlet ends of two sides of the air box component (50), each air inlet component (70) comprises a wind shield (71), and an air inlet groove (72) is formed in the outer side wall of each wind shield (71);
an air draft assembly (80) is fixedly connected inside the air box assembly (50), the air draft assembly (80) comprises an air suction pump (81), an air inlet end of the air suction pump (81) is fixedly connected with a three-way pipe (82), two ends of the three-way pipe (82) are fixedly connected with an air draft pipe (83), one end of the air draft pipe (83) is provided with an air draft cover (84), and an air outlet end of the air suction pump (81) is provided with a connecting pipe (85);
one end of the connecting pipe (85) is provided with a drying component (90) for drying gas, and one end of the drying component (90) is connected with the sampling end of the VOCs online monitor (40).
2. The device according to claim 1, wherein the device comprises: the bellows subassembly (50) include box (51), the inside of box (51) is equipped with filter screen (52) and filter pulp (53) of symmetrical arrangement, the outside of filter screen (52) is equipped with PM sensor (54).
3. The device according to claim 2, wherein the device comprises: the filter screen (52) adopts a metal filter screen made of stainless steel, and the filter cotton (53) adopts a multi-layer non-woven fabric structure.
4. The device according to claim 1, wherein the device comprises: the top fixedly connected with environment monitoring subassembly (60) of bellows subassembly (50), environment monitoring subassembly (60) are including monitoring station (61), the electronic revolving stage of top fixedly connected with (62), miniature weather station (65) and small-size GPS (66) of monitoring station (61), the top of electronic revolving stage (62) is rotated and is connected with camera (63), the top fixedly connected with light (64) of camera (63).
5. The device according to claim 1, wherein the device comprises: the opposite side of windshield (71) is located the inside wall of bellows subassembly (50) is equipped with support (73), the lateral wall fixedly connected with spring beam (74) of support (73), the one end fixedly connected with deep bead (75) of spring beam (74), the lateral wall fixedly connected with speedometer (76) of windshield (71).
6. The device according to claim 2, wherein the device comprises: drying assembly (90) include fibre drying tube (91), the one end of fibre drying tube (91) with even pipe (85) are connected, and the other end is connected with sampling pipe (92), the sweep gas of sampling pipe (92) flows back to fibre drying tube (91) in through sweep gas pipe (93), the hydrofuge end of fibre drying tube (91) is equipped with hydrofuge pipe (94), the one end of hydrofuge pipe (94) with filter pulp (53) link to each other.
7. The device according to claim 6, wherein the device comprises: and a dehumidifying film is arranged in the fiber drying pipe (91).
8. A real-time monitoring method for VOCs pollution navigation, according to any one of claims 1 to 7, comprising the following steps:
s1: defining a navigation area and establishing a navigation path;
s2: accessing the equipment to an IOT data platform;
s3: starting the navigation vehicle to enable the navigation vehicle to travel along the navigation path;
s4: monitoring atmospheric data of the navigation environment by using an environment monitoring assembly (60);
s5: monitoring VOCs pollution of the navigation environment by using a VOCs online monitor (40);
s6: importing the monitored data into an IOT data platform, and carrying out full-automatic data acquisition by using navigation analysis software;
s7: the analyzed data is visualized, and the influence of external transportation and local pollution on the air quality of the urban area is conveniently estimated.
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| CN118549603A (en) * | 2024-07-23 | 2024-08-27 | 深圳深态环境科技有限公司 | VOCs pollution navigation real-time monitoring device and monitoring method |
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| CN111650011A (en) * | 2020-06-04 | 2020-09-11 | 中国极地研究中心 | Shipborne intelligent multi-channel atmospheric sampling system, and use method and application thereof |
| CN212483059U (en) * | 2020-06-16 | 2021-02-05 | 江苏环保产业技术研究院股份公司 | Device for vertically monitoring atmospheric environment |
| CN112485319A (en) * | 2020-10-19 | 2021-03-12 | 上海畅合智能技术有限公司 | Atmospheric environment navigation monitoring method, information processing method and device and monitoring vehicle |
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| CN112577865A (en) * | 2020-12-03 | 2021-03-30 | 中国科学院大气物理研究所 | Road laying dust load navigation measuring system |
| CN113702574A (en) * | 2021-07-21 | 2021-11-26 | 北京师范大学 | Nitrogen dioxide sailing monitor |
| CN215296853U (en) * | 2021-07-22 | 2021-12-24 | 武汉聚合信环保科技有限公司 | Gas sampler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118549603A (en) * | 2024-07-23 | 2024-08-27 | 深圳深态环境科技有限公司 | VOCs pollution navigation real-time monitoring device and monitoring method |
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Denomination of invention: A real-time monitoring device and monitoring method for VOCs pollution during navigation Granted publication date: 20230901 Pledgee: Bank of China Limited Wuhan Donghu New Technology Development Zone Branch Pledgor: Wuhan Sanzang Technology Co.,Ltd. Registration number: Y2024980012866 |