CN115754141A - Online analyzer for atmospheric quality based on Internet of things - Google Patents

Abstract

The invention discloses an online analyzer of air quality based on the Internet of things, which comprises a main mounting rack, a main bearing disc and a main bearing disc, wherein the main mounting rack is provided with the main bearing disc; the air pretreatment assembly is arranged on the main mounting frame; the air pretreatment component is provided with a filter cylinder, a plurality of filter plates are circumferentially clamped on the outer side wall of the filter cylinder, a coarse dust filtering channel is formed in each filter plate, the air pretreatment component is also provided with an inner support cylinder, a plurality of guide grooves are circumferentially and equidistantly formed in the outer wall surface of the inner support cylinder, and guide slits are formed in the bottoms of the guide grooves and correspond to the positions of the coarse dust filtering channels; the invention can simultaneously analyze a plurality of pollutants in the collected gas by utilizing the main controller to control the air pretreatment assembly, the air drying assembly and the gas analyzer, transmits monitoring data and position information to the signal tower in real time through the equipped GPS positioning system, and completes the closed loop of the atmosphere monitoring system after being received by the master control station.

Description

Online analyzer for atmospheric quality based on Internet of things

Technical Field

The invention relates to the technical field of gas sampling devices, in particular to an online analyzer for air quality based on the Internet of things.

Background

The atmospheric quality monitoring refers to a process of performing point distribution observation on main pollutants in the atmosphere of a region and evaluating the quality of the atmospheric environment, and generally, according to factors such as the scale of the region, the distribution condition and the source intensity of an atmospheric pollution source, meteorological conditions, topography and the like, a few or more than ten representative measuring points (atmospheric sampling points) are selected in the region to perform regular monitoring of specified items, and the current main atmospheric pollutants comprise total suspended particulate matters, nitrogen dioxide, sulfur dioxide, carbon monoxide, ozone, particulate matters with the particle size of less than or equal to 10 μm, nitrogen oxides, benzo (a) pyrene, lead and the like, wherein the total suspended particulate matters comprise solid particulate matters and liquid particulate matters floating in the air, and the smaller the particulate matters are, the more easily the particulate matters are inhaled into the human body by people, the harm to the health of the human body is caused, and the harm to the environment and the human body is also very serious.

One prior art disclosed concentrator (US 20180038775 A1) has an air handler that includes a sampling gas stream inlet slot that receives a sampling gas stream containing particles of a target material, a secondary gas stream inlet slot downstream of the sampling gas stream inlet slot that concentrates the particles containing the target material into a central portion of the sampling gas stream using centrifugal force and produces a non-collimated sampling gas stream, the secondary gas stream inlet slot operable to separate the secondary gas stream from at least a portion of the central portion of the sampling gas stream received by the secondary gas stream inlet slot from the sampling gas stream inlet slot, and the secondary gas stream inlet slot operable to separate a side primary gas stream from the non-collimated sampling gas stream produced by the sampling gas stream inlet slot, and finally, the secondary gas stream flows through the secondary gas stream inlet slot; the invention utilizes an inertia force dust removal method, can collect coarse dust particles of more than 10-20um, but can only be used for the first-stage dust removal in multi-stage dust removal, and cannot treat viscous and fibrous dust and water gas in gas.

Disclosure of Invention

The invention aims to provide an online analyzer for the air quality based on the Internet of things, which is used for improving the adsorption capacity of filter paper on viscous and fibrous dust in the air in an inertial dust removal method and solving the problems that the cooling effect and the cooling rate cannot be simultaneously controlled and condensed water is not easily discharged when air flow is in a constant flow speed and flow rate in a water removal process by using a cooling method.

In order to achieve the purpose, the invention provides the following technical scheme: an online atmosphere quality analyzer based on the Internet of things comprises a main mounting rack, wherein the main mounting rack is provided with a main bearing disc; the air pretreatment assembly is arranged on the main mounting frame; the air drying component is arranged above the air pretreatment component; the main bearing disc is provided with a gas analyzer; the air pretreatment assembly is provided with a filter cylinder, a plurality of filter plates are circumferentially clamped on the outer side wall of the filter cylinder, a coarse dust filtering channel is formed in each filter plate, the air pretreatment assembly is also provided with an inner support cylinder, the inner support cylinder is of a cylindrical structure and is coaxially arranged with the filter cylinder, the inner diameter of the inner support cylinder is larger than the sum of the length of the filter plates and the inner diameter of the filter cylinder, a plurality of flow guide grooves are circumferentially and equidistantly formed in the outer wall surface of the inner support cylinder, the wall surface of each flow guide groove is of an arc-surface-shaped structure, flow guide seams are formed in the bottoms of the flow guide grooves, and the flow guide seams correspond to the positions of the coarse dust filtering channels; an upper supporting piece is arranged at the upper end part of the inner supporting cylinder and provided with an outer supporting ring, an inner supporting ring is coaxially arranged in the outer supporting ring, the outer supporting ring is fixedly connected with the inner supporting ring through a supporting rod, a bottom plate is arranged at the lower end part of the inner supporting cylinder and provided with a disc-shaped structure, vortex holes are formed in the middle of the bottom plate, an outer filter screen is sleeved outside the inner supporting cylinder, an installation ring groove is formed below the bottom plate, and a turbofan installation part is arranged in the installation ring groove;

the air quality online analyzer based on the Internet of things can simultaneously analyze pollutants such as total suspended particulate matters, nitrogen dioxide, sulfur dioxide, carbon monoxide, ozone, particulate matters with the particle size of less than or equal to 10 mu m, nitrogen oxides, benzopyrene, lead and the like in collected gas, ensure the dryness of an analyzed sample, avoid the influence of moisture in the air on a monitoring result, transmit monitoring data and position information to a signal tower in real time through a GPS (global positioning system) which is equipped, and complete the closed loop of an atmosphere monitoring system after being received by a master console, and can also simultaneously realize fixed-point multi-time-period sampling and multi-point simultaneous time-period sampling;

the atmospheric quality online analyzer based on the Internet of things can collect and adsorb coarse dust, sticky dust, fibrous dust and other particulate matters in air of more than 10-20um through the design of an air pretreatment assembly, specifically, a turbine fan is mounted on a turbine fan mounting portion below a filter cylinder, airflow is guided to flow upwards through a vortex hole in a bottom plate, negative pressure is formed inside the filter cylinder, the air in a sampling area is sucked through a guide groove, the airflow enters a guide slit from the guide groove and is accelerated, wherein a first airflow turns under the action of a wedge-shaped surface at the edge of the filter plate, the coarse dust of more than 10-20um in a second airflow does not turn due to inertia, enters a coarse dust filtering channel along with the second airflow and is finally intercepted by the filter cylinder, and the sticky dust, the fibrous dust and other particulate matters impact on the filter plate adjacent to the filter plate along with the accelerated first airflow, so that the collision chance between the particulate matters and the filter paper is increased, or the particles are directly sucked into the direction of the filter cylinder, and the sticky dust, the fibrous dust and other particulate matters are immediately adsorbed on the filter plate; wherein, the particulate matter is adsorbed on filter paper or a section of thick bamboo, changes according to the pressure differential data, can calculate the content of particulate matter in the atmosphere to detect the degree that receives particulate matter pollution in the atmosphere.

The main bearing disc is of a circular plate-shaped structure, a plurality of feet are fixedly arranged on the lower surface of the main bearing disc, a plurality of fixing pieces are arranged on the upper surface of the main bearing disc, supporting rods are circumferentially arranged on the upper surface of the main bearing disc at equal intervals, the supporting rods are screwed on the upper surface of the main bearing disc, the other ends of the supporting rods are hinged to the mounting disc together, a locking part is arranged above the mounting disc, a locking piece is arranged on the locking part, an auxiliary bearing disc is fixedly arranged above the locking part, and an installation ring groove is fixedly connected to the auxiliary bearing disc;

this kind of atmospheric quality on-line analyzer based on thing networking, through the design of main mounting bracket, makes the holistic installation of device become simple and convenient, and guaranteed the stability after the device installation to can be through setting up the telescopic member in locking portion, with the raising and lowering functions who supports air preprocessing subassembly and its upper part, thereby can carry out sampling work to the air of co-altitude not.

The air drying assembly is provided with a sealing box, the bottom of the sealing box is provided with an airtight piston, the airtight piston penetrates through the bottom of the sealing box and extends into the inner support ring, the middle part of the airtight piston is provided with an air guide channel, one end part of the air guide channel is communicated with an air guide pipe, and the top of the sealing box is provided with a sealing cover;

this kind of atmospheric quality on-line analysis appearance based on thing networking, through the design of seal box, makes it can fill into inert gas such as nitrogen gas in the seal box, avoids being sneaked into the air that is not handled by the air of preliminary treatment, influences the accuracy of monitoring result, also utilizes airtight piston and air duct to make the air that has handled through air preliminary treatment subassembly directly leading-in to the drying cabinet inside, has avoided mixing the problem of the air that is not handled in the drying cabinet.

A base is arranged inside the sealing box, a drying box is arranged on the base, a gas guide opening is formed in the side wall of the drying box and communicated with the gas guide pipe, and a cooling assembly is arranged inside the drying box;

this kind of atmospheric quality on-line analysis appearance based on thing networking is equipped with drainage system through the interior bottom at the drying cabinet, and this drainage system can be by the drain tank of drying cabinet bottom, the outlet is seted up to the lateral wall to connect the device that the drain pipe is constituteed, and its aim at collects the comdenstion water that falls by cooling module and in time discharges the seal box outside.

The cooling assembly is provided with a mounting plate, the mounting plate is provided with a square plate-shaped structure with bent edges, the two mounting plates are arranged in parallel, the mounting plate is provided with a plurality of cooling plates in parallel and at equal intervals, the cooling plates are perpendicular to the mounting plate, a plurality of protrusions are arranged on the cooling plates, the cross sections of the protrusions are provided with arc-shaped structures, the protrusions are perpendicular to the mounting plate, the heights of the protrusions are sequentially reduced along the air flow direction, and the protrusions on the two adjacent cooling plates are arranged in a staggered mode.

A cooling pipe penetrates through the cooling plate, a cooling liquid inlet pipe is arranged at one end part of the cooling pipe, a cooling liquid outlet pipe is arranged at the other end part of the cooling pipe, and one side of the drying box is communicated with a temporary storage tank;

this online analyzer of atmospheric quality based on thing networking, through the design of cooling module, on the one hand, it can carry out cooling drying to the moisture in the gas that enters into the drying cabinet inside, enter into the scratch pad jar and keep in or input into gas analyzer afterwards, specifically, the gas guide port height of drying cabinet lateral wall should be less than the mounting height of cooling module to be favorable to the air current to flow upward through the cooling module, simultaneously, scratch pad jar inside dispose take out negative pressure device guide air current to flow upward and enter into scratch pad jar inside, the air current is after each cooling plate surface contact, the aqueous vapor condensation in it is the drop of water; on the other hand, the protruding parts arranged on the cooling plates can balance the temperature difference of the gas between two adjacent cooling plates, specifically, the temperature of the air initially entering from the lower part of the cooling assembly is higher than that of the air in the middle or the tail part of the cooling plate, in the space range between the two cooling plates, the hot air needs to be closer to the cooling plates to achieve a good heat dissipation effect, otherwise, the temperature of the air in the middle of the space range between the two cooling plates is higher than that of the air at the two sides;

on the other hand, the height of bellying reduces along the air current flow direction in proper order, the bellying on two adjacent cooling plates also staggers the setting, with this in-process of guaranteeing the air flow through the cooling plate, along with the reduction of air temperature, distance between two adjacent cooling plates crescent gradually, thereby the flow of air increases gradually, when avoiding hot-air and cold air all to be the same velocity of flow, the cooling effect or the problem that cooling rate reduces that lead to, and the air current that upwards flows and bellying all can cushion the downflow of the comdenstion water that forms on the cooling plate surface, avoid the direct bottom that falls to the drying cabinet of water droplet, arouse the water droplet to splash, be unfavorable for the timely discharge of comdenstion water.

The gas analyzer is provided with an analysis box, the analysis box is provided with a square box body structure, a main controller is fixedly connected to one side face of the analysis box, analysis tanks are fixedly connected to other side faces of the analysis box, exhaust ports are formed in the lower end portions of the analysis tanks, air inlet ports are formed in the tops of the analysis boxes, installation transverse plates are fixedly connected to the bottoms of the analysis boxes, installation bent plates are fixedly connected to the two end portions of the installation transverse plates, pressure gauges are arranged on the analysis tanks, and the installation bent plates are fixedly connected to a main bearing plate through fixing pieces;

this kind of atmospheric quality on-line analysis appearance based on thing networking, through gas analysis appearance's design, make the last inlet port of gas analysis appearance and the jar of keeping in pass through the gas-supply pipe intercommunication, and each analysis jar can carry out the analysis to the specific component in the air, and the analysis case then carries out the analysis to the principal ingredients in the atmosphere, and the analysis result gathers to main control unit output back master control platform, also can monitor its inside atmospheric pressure through being equipped with the pressure gauge on the analysis jar simultaneously.

Compared with the prior art, the invention has the beneficial effects that:

1. the atmospheric quality online analyzer based on the Internet of things can collect and adsorb coarse dust, sticky dust, fibrous dust and other particulate matters of more than 10-20um in air through the design of an air pretreatment assembly, accelerates and turns airflow by using a flow guide seam and a filter plate, so that the collision chance of the particulate matters and filter paper is increased, the particulate matters are adsorbed on the filter paper or a filter cylinder, and the content of the particulate matters in the atmosphere can be calculated according to the change of pressure difference data, so that the pollution degree of the particulate matters in the atmosphere is detected;

2. according to the online analyzer for the atmospheric quality based on the Internet of things, through the design of the cooling assembly, moisture in gas entering the drying box can be cooled and dried, and the temperature difference of the gas between two adjacent cooling plates can be balanced through the protruding parts arranged on the cooling plates;

3. according to the internet-of-things-based on-line analyzer for the atmospheric quality, through the design of the protruding part, the distance between two adjacent cooling plates is gradually increased along with the reduction of the air temperature in the process that air flows through the cooling plates, so that the flow of the air is gradually increased, and the problem of cooling effect or cooling rate caused when hot air and cold air are the same in flow speed and flow rate is avoided;

4. this kind of atmospheric quality on-line analysis appearance based on thing networking through bellying and the air current that upwards flows, can cushion the downflow of the comdenstion water that the cooling plate surface formed, avoids the water droplet directly to fall to the bottom of drying cabinet, causes the water droplet to splash, is unfavorable for the timely discharge of comdenstion water.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an internet-of-things-based online atmospheric quality analyzer according to the present invention;

FIG. 2 is a schematic diagram of the construction of the atmospheric mass analyzer shown in FIG. 1;

FIG. 3 is a partial cross-sectional view of FIG. 2;

FIG. 4 is an enlarged view of I-I in FIG. 3;

FIG. 5 is a schematic view of the air pre-treatment assembly of FIG. 2;

FIG. 6 is an exploded view of FIG. 5;

FIG. 7 is a front view of FIG. 5;

FIG. 8 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 7;

FIG. 9 is an enlarged view of II-II of FIG. 8;

fig. 10 is a flow diagram of the air flow in the channels of fig. 9;

FIG. 11 is a partial cross-sectional view of the air dryer assembly of FIG. 2;

FIG. 12 is a schematic structural view of the cooling module of FIG. 11;

FIG. 13 is another view of FIG. 12;

FIG. 14 is a side view of FIG. 12;

FIG. 15 is a cross-sectional view taken along line B-B of FIG. 14;

FIG. 16 is an enlarged view of III-III shown in FIG. 15;

fig. 17 is a schematic structural view of the gas analyzer shown in fig. 2.

In the figure: 1. a main mounting frame; 11. a main bearing disc; 111. ground feet; 112. a fixing member; 12. a strut; 13. mounting a disc; 14. a lock section; 15. a locking member; 16. a sub-carrier tray; 2. an air pre-treatment assembly; 21. a filter cartridge; 22. filtering the plate; 221. a coarse dust filtration channel; 23. an inner support cylinder; 231. a diversion trench; 232. a flow guide seam; 24. an upper support; 241. an outer support ring; 242. an inner support ring; 243. a support bar; 25. a base plate; 251. an swirl hole; 26. an outer filter screen; 27. mounting a ring groove; 271. a turbofan mounting portion; 3. an air drying assembly; 31. a sealing box; 311. an airtight piston; 312. an air guide channel; 313. an air duct; 314. a sealing cover; 32. a base; 33. a drying oven; 331. an air guide port; 34. a cooling assembly; 341. mounting a plate; 342. a cooling plate; 343. a boss portion; 35. a cooling tube; 36. a cooling liquid inlet pipe; 37. a coolant outlet pipe; 38. a temporary storage tank; 4. a gas analyzer; 41. an analysis box; 42. a main controller; 43. an analysis tank; 431. an exhaust port; 44. an air inlet port; 45. installing a transverse plate; 46. mounting a bent plate; 47. a pressure gauge; 5. a first air flow direction; 6. a second air flow direction.

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.

Referring to fig. 1-10, an embodiment of the present invention is shown: an online atmosphere quality analyzer based on the Internet of things comprises a main mounting rack 1, wherein the main mounting rack 1 is provided with a main bearing disc 11; the air pretreatment component 2 is arranged on the main mounting frame 1; the air drying component 3 is arranged above the air pretreatment component 2; the gas analyzer 4 is arranged on the main bearing disc 11; the air pretreatment component 2 is provided with a filter cylinder 21, a plurality of filter plates 22 are circumferentially clamped on the outer side wall of the filter cylinder 21, a coarse dust filtering channel 221 is formed in each filter plate 22, the air pretreatment component 2 is further provided with an inner support cylinder 23, each inner support cylinder 23 is of a cylindrical structure, the inner support cylinder 23 and the filter cylinder 21 are coaxially arranged, the inner diameter of each inner support cylinder 23 is larger than the sum of the length of each filter plate 22 and the inner diameter of the corresponding filter cylinder 21, a plurality of guide grooves 231 are circumferentially and equidistantly formed in the outer wall surface of each inner support cylinder 23, the wall surface of each guide groove 231 is of an arc-surface-shaped structure, the bottom of each guide groove 231 is provided with a guide slit 232, and the guide slits 232 correspond to the positions of the coarse dust filtering channels 221; an upper supporting piece 24 is arranged at the upper end part of the inner supporting cylinder 23, the upper supporting piece 24 is provided with an outer supporting ring 241, an inner supporting ring 242 is coaxially arranged inside the outer supporting ring 241, the outer supporting ring 241 is fixedly connected with the inner supporting ring 242 through a supporting rod 243, a bottom plate 25 is arranged at the lower end part of the inner supporting cylinder 23, the bottom plate 25 is provided with a disc-shaped structure, a vortex hole 251 is formed in the middle of the bottom plate 25, an outer filter screen 26 is sleeved outside the inner supporting cylinder 23, an installation ring groove 27 is arranged below the bottom plate 25, and a turbine fan installation part 271 is arranged inside the installation ring groove 27;

the air quality online analyzer based on the Internet of things can simultaneously analyze pollutants such as total suspended particulate matters, nitrogen dioxide, sulfur dioxide, carbon monoxide, ozone, particulate matters with the particle size of less than or equal to 10 mu m, nitrogen oxides, benzopyrene, lead and the like in collected gas by controlling the air pretreatment component 2, the air drying component 3 and the gas analyzer 4 through the main controller 42, ensures the dryness of an analyzed sample, avoids the influence of moisture in the air on a monitoring result, transmits monitoring data and position information to a signal tower in real time through a GPS (global positioning system) which is equipped, completes the closed loop of an atmosphere monitoring system after being received by a main console, and can also simultaneously realize fixed-point multi-time-period sampling and multi-point simultaneous time-period sampling;

the atmospheric quality on-line analyzer based on the internet of things can collect and adsorb coarse dust, sticky dust, fibrous dust and other particulate matters more than 10-20 um in air through the design of the air pretreatment assembly 2, specifically, a turbine fan is installed on a turbine fan installation part 271 below a filter cartridge 21, air flow is guided to flow upwards through a vortex hole 251 on a bottom plate 25, so that negative pressure is formed inside the filter cartridge 21, the air flow in a sampling area is sucked through a guide groove 231, the air flow enters a guide slit 232 from the guide groove 231 and is accelerated, wherein a first air flow direction 5 turns under the action of a wedge-shaped surface at the edge of the filter plate 22, the coarse dust more than 10-20 um in a second air flow direction 6 cannot turn due to inertia and enters a coarse dust filtering channel 221 along with the second air flow direction 6, and can be finally trapped by the filter cartridge 21, the sticky dust, the fibrous dust and other particulate matters impact the filter plate 22 adjacent to the filter plate 22 along with the accelerated first air flow direction 5, so that the opportunity of the sticky dust impacting the particulate matters with the sticky particulate matters or directly sucked into the sticky dust filtering channel 21, the filter plate 22 and the filter paper can adsorb the filter plate 22; wherein, particulate matter is adsorbed on filter paper or filter cylinder 21, changes according to the pressure differential data, can calculate the content of particulate matter in the atmosphere to detect the degree that receives particulate matter in the atmosphere and pollute.

Referring to fig. 1-3, the main carrier plate 11 has a circular plate-shaped structure, a plurality of feet 111 are fixedly arranged on the lower surface of the main carrier plate 11, a plurality of fixing members 112 are arranged on the upper surface of the main carrier plate 11, support rods 12 are circumferentially arranged on the upper surface of the main carrier plate 11 at equal intervals, the support rods 12 are screwed on the upper surface of the main carrier plate 11, the other end portions of the support rods 12 are jointly hinged on the mounting plate 13, a locking portion 14 is arranged above the mounting plate 13, a locking member 15 is arranged on the locking portion 14, an auxiliary carrier plate 16 is fixedly arranged above the locking portion 14, and an installation ring groove 27 is fixedly connected on the auxiliary carrier plate 16;

this kind of atmospheric quality on-line analyzer based on thing networking, through the design of main mounting bracket 1, make the holistic installation of device become simple and convenient, and guaranteed the stability after the device installation to can be through setting up the telescopic member in locking portion 14, with the raising and lowering functions who supports air preprocessing component 2 and its upper part, thereby can carry out sampling work to the air of co-altitude not.

Referring to fig. 3, the air drying module 3 has a sealing box 31, an airtight piston 311 is disposed at the bottom of the sealing box 31, the airtight piston 311 penetrates the bottom of the sealing box 31 and extends into the inner supporting ring 242, an air guide channel 312 is disposed at the middle of the airtight piston 311, an air guide tube 313 is communicated with one end of the air guide channel 312, and a sealing cover 314 is disposed at the top of the sealing box 31;

according to the atmosphere quality online analyzer based on the Internet of things, through the design of the seal box 31, inert gases such as nitrogen can be filled into the seal box 31, the problem that untreated air is mixed into the seal box 31 to influence the accuracy of a monitoring result is avoided, the air treated by the air pretreatment assembly 2 is directly guided into the drying box 33 through the airtight piston 311 and the air guide pipe 313, and the problem that untreated air is mixed into the drying box 33 is avoided.

Referring to fig. 3 and 11, a base 32 is disposed inside the sealing box 31, a drying box 33 is disposed on the base 32, an air guide port 331 is disposed on a side wall of the drying box 33, the air guide port 331 is communicated with the air guide tube 313, and a cooling assembly 34 is disposed inside the drying box 33;

this kind of online analyzer of atmospheric quality based on thing networking is through being equipped with drainage system at the interior bottom of drying cabinet 33, and this drainage system can be by the water drainage tank of the bottom in drying cabinet 33, the lateral wall is seted up the outlet, and connect the device that the drain pipe is constituteed, its purpose is collected the comdenstion water that falls by cooling module 34 and in time discharges outside seal box 31.

Referring to fig. 11 to 16, the cooling module 34 includes a mounting plate 341, the mounting plate 341 has a square plate-shaped structure with bent edges, two mounting plates 341 are arranged in parallel, a plurality of cooling plates 342 are arranged on the mounting plate 341 in parallel and equidistantly, the cooling plates 342 are perpendicular to the mounting plate 341, a plurality of protrusions 343 are arranged on the cooling plates 342, the cross section of each protrusion 343 has a circular arc-shaped structure, the protrusions 343 are arranged perpendicular to the mounting plate 341, the heights of the protrusions 343 are sequentially reduced along the airflow flowing direction, and the protrusions 343 on two adjacent cooling plates 342 are arranged in a staggered manner.

A cooling pipe 35 penetrates through the cooling plate 342, a cooling liquid inlet pipe 36 is arranged at one end of the cooling pipe 35, a cooling liquid outlet pipe 37 is arranged at the other end of the cooling pipe 35, and a temporary storage tank 38 is communicated with one side of the drying box 33;

according to the online analyzer for the air quality based on the internet of things, through the design of the cooling component 34, on one hand, moisture in air entering the drying box 33 can be cooled and dried, and then the air enters the temporary storage tank 38 for temporary storage or is input into the gas analyzer 4, specifically, the height of the air guide port 331 on the side wall of the drying box 33 is lower than the installation height of the cooling component 34, so that the air flow flows upwards through the cooling component 34, meanwhile, the temporary storage tank 38 is internally provided with a negative pressure pumping device to guide the air flow to flow upwards to enter the temporary storage tank 38, and after the air flow is contacted with the surface of each cooling plate 342, the moisture in the air flow is condensed into water drops; on the other hand, the protruding portion 343 on the cooling plate 342 can balance the temperature difference between two adjacent cooling plates 342, specifically, the temperature of the air entering from the lower side of the cooling module 34 is higher than that in the middle or the tail of the cooling plate 342, in the space range between the two cooling plates, the hot air needs to be closer to the cooling plates to achieve good heat dissipation effect, otherwise, the temperature of the air in the middle of the space range between the two cooling plates 342 is higher than that of the air at both sides;

on the other hand, the height of the protruding portion 343 is reduced in sequence along the airflow flowing direction, the protruding portions 343 on two adjacent cooling plates 342 are also arranged in a staggered manner, so as to ensure that the air flows through the cooling plates 342, the distance between two adjacent cooling plates 342 is gradually increased along with the reduction of the air temperature, thereby gradually increasing the air flow, and avoiding the problem of reduction of the cooling effect or the cooling rate when the hot air and the cold air are both at the same flow rate, and the upward flowing air and the protruding portions 343 can buffer the downward flow of the condensed water formed on the surface of the cooling plates 342, so as to avoid the water drops from directly falling to the bottom of the drying box 33, cause the water drops to splash, and are not beneficial to timely discharge of the condensed water.

Referring to fig. 1-2, fig. 17, the gas analyzer 4 includes an analyzing box 41, the analyzing box 41 has a square box structure, a main controller 42 is fixedly connected to one side surface of the analyzing box 41, an analyzing tank 43 is fixedly connected to the other side surface of the analyzing box 41, an exhaust port 431 is disposed at the lower end of the analyzing tank 43, an intake port 44 is disposed at the top of the analyzing box 41, a mounting transverse plate 45 is fixedly connected to the bottom of the analyzing box 41, mounting bent plates 46 are fixedly connected to both end portions of the mounting transverse plate 45, a pressure gauge 47 is disposed on the analyzing tank 43, and the mounting bent plates 46 are fixedly connected to the main tray 11 through fixing members 112;

this kind of atmospheric quality on-line analysis appearance based on thing networking, through the design of gas analysis appearance 4, make the inlet port 44 on the gas analysis appearance 4 and the jar 38 of keeping in pass through the gas-supply pipe intercommunication that keeps in, and each analysis jar 43 can carry out the analysis to the specific component in the air, analysis case 41 then carries out the analysis to the principal ingredients in the atmosphere, the analysis result gathers to main control unit 42 output back total accuse platform, also can monitor its inside atmospheric pressure through being equipped with pressure gauge 47 on the analysis jar 43 simultaneously.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. An online analyzer of atmospheric quality based on the Internet of things comprises,

a main mounting (1), the main mounting (1) having a main carrying tray (11);

the air pre-treatment component (2) is arranged on the main mounting rack (1);

the air drying component (3) is arranged above the air pretreatment component (2);

the gas analyzer (4) is arranged on the main bearing disc (11);

the method is characterized in that: the air pretreatment module (2) is provided with a filter cylinder (21), a plurality of filter plates (22) are arranged on the outer side wall of the filter cylinder (21) in a circumferential clamping mode, a coarse dust filtering channel (221) is formed in the filter plates (22), the air pretreatment module (2) is further provided with an inner support cylinder (23), the inner support cylinder (23) is provided with a cylindrical structure, the inner support cylinder (23) and the filter cylinder (21) are coaxially arranged, the inner diameter of the inner support cylinder (23) is larger than the length of the filter plates (22) and the sum of the inner diameters of the filter cylinders (21), a plurality of guide grooves (231) are formed in the outer wall surface of the inner support cylinder (23) in a circumferential equidistant mode, the wall surface of each guide groove (231) is provided with an arc-surface-shaped structure, guide slits (232) are formed in the bottoms of the guide grooves (231), and the guide slits (232) correspond to the position of the coarse dust filtering channel (221).

2. The internet of things-based online air quality analyzer according to claim 1, wherein: the upper end of interior support cylinder (23) is equipped with support piece (24), it has outer support ring (241) to go up support piece (24), the inside coaxial inner support ring (242) that is equipped with of outer support ring (241), outer support ring (241) with inner support ring (242) are through bracing piece (243) fixed connection, the lower tip of interior support cylinder (23) is equipped with bottom plate (25), bottom plate (25) have the disc structure, whirlpool flow hole (251) have been seted up at the middle part of bottom plate (25), the outside cover of interior support cylinder (23) is equipped with outer filter screen (26), the below of bottom plate (25) is equipped with installation ring groove (27), the inside of installation ring groove (27) is equipped with turbofan installation department (271).

3. The internet of things-based online atmospheric quality analyzer according to claim 2, characterized in that: the owner bears dish (11) and has a disc-shaped structure, a plurality of lower margins (111) have set firmly on the lower surface of the owner bears dish (11), be equipped with a plurality of mounting (112) on the upper surface of the owner bears dish (11), circumference equidistance is equipped with branch (12) on the upper surface of owner bears dish (11), branch (12) spiro union in the owner bears the upper surface of dish (11), another tip of branch (12) articulates jointly on mounting disc (13), the top of mounting disc (13) is equipped with locking portion (14), be equipped with locking piece (15) on locking portion (14), the top of locking portion (14) has set firmly vice bear dish (16), installation annular (27) fixed connection in vice bear on dish (16).

4. The internet of things-based online atmospheric quality analyzer according to claim 2, characterized in that: air drying subassembly (3) has seal box (31), the bottom of seal box (31) is equipped with airtight piston (311), airtight piston (311) run through the bottom of seal box (31) and extend to the inside of inner support ring (242), air guide channel (312) have been seted up in the middle part of airtight piston (311), an end intercommunication of air guide channel (312) has air duct (313), the top of seal box (31) is equipped with sealed lid (314).

5. The internet of things-based online atmosphere quality analyzer according to claim 4, characterized in that: the inside of seal box (31) is equipped with base (32), be equipped with drying cabinet (33) on base (32), air guide port (331) have been seted up on the lateral wall of drying cabinet (33), air guide port (331) with air duct (313) intercommunication, drying cabinet (33) inside is equipped with cooling module (34).

6. The internet of things-based online air quality analyzer according to claim 5, wherein: cooling unit (34) has mounting panel (341), mounting panel (341) have the square platelike structure of edge bend, two mounting panel (341) parallel arrangement, parallel equidistance is equipped with a plurality of cooling plate (342) on mounting panel (341), cooling plate (342) perpendicular to mounting panel (341), be equipped with a plurality of bellying (343) on cooling plate (342), the cross section of bellying (343) has circular arc surface column structure, bellying (343) perpendicular to mounting panel (341) set up, the height of bellying (343) reduces in proper order along the air current flow direction, adjacent two bellying (343) on cooling plate (342) are crisscross to be set up.

7. The internet of things-based online air quality analyzer according to claim 6, wherein: run through on cooling plate (342) and have cooling tube (35), a tip of cooling tube (35) is equipped with the coolant liquid and advances pipe (36), another tip of cooling tube (35) is equipped with coolant liquid exit tube (37), one side intercommunication of drying cabinet (33) has temporary storage tank (38).

8. The internet of things-based online atmosphere quality analyzer according to claim 1, characterized in that: gas analysis appearance (4) have analysis box (41), analysis box (41) have the square chest structure, fixedly connected with main control unit (42) on the side of analysis box (41), fixedly connected with analysis jar (43) on other sides of analysis box (41), the lower tip of analysis jar (43) is equipped with exhaust port (431), the top of analysis box (41) is equipped with inlet port (44), the bottom fixedly connected with installation diaphragm (45) of analysis box (41), the both ends fixedly connected with installation bent plate (46) of installation diaphragm (45), be equipped with pressure gauge (47) on analysis jar (43), installation bent plate (46) pass through mounting (112) fixed connection in on main tray (11) that bears.

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