CN116474479B - Air quality detection system and detection method based on environmental protection - Google Patents
Air quality detection system and detection method based on environmental protection Download PDFInfo
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- CN116474479B CN116474479B CN202310466922.0A CN202310466922A CN116474479B CN 116474479 B CN116474479 B CN 116474479B CN 202310466922 A CN202310466922 A CN 202310466922A CN 116474479 B CN116474479 B CN 116474479B
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000007613 environmental effect Effects 0.000 title claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 10
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 4
- 238000000746 purification Methods 0.000 abstract description 17
- 239000000428 dust Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
- B01D46/121—V-type arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides an air quality detection system and a detection method based on environmental protection, which belong to the technical field of air detection and purification, and comprise a PM2.5 sensor connected with a controller, a suction pump and a purification filter, wherein the purification filter sequentially comprises a sterilizer, an exhaust pipeline, a filtering pipeline and an air inlet pipeline which are in butt joint from top to bottom, an outlet of the suction pump is in butt joint with the air inlet pipeline, and an upper port of the air inlet pipeline is provided with a smooth platform; the filter pipeline comprises two groove bodies with n-shaped cross sections, the two groove bodies are horizontally and slidably arranged on the platform, the two groove bodies are elastically connected in a telescopic manner through a horizontally arranged tension spring, one groove body is dynamically and sealingly inserted into a groove of the other groove body, so that a rectangular cavity with adjustable horizontal length is formed, and a plurality of folding snake-shaped filter screen plates are arranged in the rectangular cavity. The invention has simple and reliable structure, can detect and improve pollution of air dust particles and the like in real time, and is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of air detection, in particular to an air quality detection system and method based on environmental protection.
Background
In the existing air quality detection, the corresponding sensors are mostly directly adopted to detect the air quality index, only the effect of detecting the quality condition can be achieved, if the purification maintenance of the air environment is required, the environment required by the house or production is protected, the independent purification equipment is required to be arranged, the purification efficiency of the purification equipment cannot be flexibly adjusted, the ventilation, the filtration and the purification of the air are carried out at a constant or high or even low filtration and purification speed, an observer needs to observe the air quality condition at any time, and the corresponding purification equipment is selected to be started or stopped. Of course, there are some intelligent air purifying devices on the market at present, but while these devices are intelligent, the price is relatively high, and for the environment polluted by single PM2.5, the comprehensive detection purifying device similar to formaldehyde, benzene, ozone and sulfur oxide is not suitable, so to speak, it is a waste, and for PM2.5 detection and air improvement, no special economical device is available.
Disclosure of Invention
The invention aims to solve the problems of the prior art, provides an air quality detection system and an air quality detection method based on environmental protection, solves the problem that no economic equipment specially aiming at PM2.5 is available in the market at present, can automatically adjust the filtering and purifying speed aiming at the light and heavy pollution degree of the PM2.5 in the environment, saves energy consumption as much as possible, and ensures the quality of the environmental air.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the air quality detection system based on environmental protection comprises a PM2.5 sensor connected with a controller, and further comprises an air suction pump and a purification filter, wherein the start and stop of the air suction pump and the rotating speed of the air suction pump are controlled by the controller, the air suction pump inputs absorbed air into the purification filter, the purification filter sequentially comprises a sterilizer, an exhaust pipeline, a filter pipeline and an air inlet pipeline which are sequentially in butt joint from top to bottom, an outlet of the air suction pump is in butt joint with the air inlet pipeline, and a smooth platform is arranged at an upper port of the air inlet pipeline; the filter pipeline comprises two groove bodies with n-shaped cross sections, the two groove bodies are horizontally and slidably arranged on the platform, the two groove bodies are elastically connected in a telescopic manner through a horizontally arranged tension spring, and one groove body is dynamically and hermetically inserted into a groove of the other groove body, so that a rectangular cavity with adjustable horizontal length is formed.
According to the invention, the plurality of filter screen plates are freely placed in the rectangular cavity, and all the filter screen plates are sequentially hinged end to end, so that the filter screen plates are arranged in a serpentine manner in the vertical height direction in the rectangular cavity, and the filter screen plates positioned outside the rectangular cavity are vertically and slidably arranged in the exhaust pipeline in a matching manner, so that when the air inflow of the air inlet pipeline is increased, the filter screen plates in the rectangular cavity adaptively move towards a horizontal position to enlarge the horizontal length of the rectangular cavity.
Further, the bottom end of the exhaust pipe is provided with a flat plate, and the top end of the filter pipe is in dynamic sealing contact with the flat plate.
Further, n-shaped sealing strips are embedded at the upper end and the lower end of the groove body, and a rectangular sealing gasket fixed on the end face of the groove body is arranged between the inner sealing strip and the outer sealing strip.
Further, upright posts are vertically fixed on two sides of the platform respectively; a pair of lug plates is fixed on the outer side of a notch of the groove body positioned on the outer side, a pair of lug plates is also fixed on the outer side of the groove bottom of the other groove body, two lug plates which are opposite to each other are penetrated by a sliding rod in a sliding fit manner, the sliding rod between the two lug plates is sleeved with a tension spring, and two ends of each sliding rod are fixed on two upright posts on the side where the two upright posts are positioned.
Preferably, the bottom side of the filter screen plate at the bottommost end of the rectangular cavity is placed on the extension plate at the bottom end of the pipe wall of the filter pipe, and the top side of the filter screen plate is embedded with a balancing weight towards one side of the bottom port of the filter pipe.
Further, a rib plate is vertically arranged in the exhaust pipeline, a sliding mounting cavity for vertically sliding mounting a plurality of filter screen plates is arranged in the rib plate, exhaust holes are respectively formed in the top wall of the exhaust pipeline on two sides of the rib plate, and the exhaust holes are connected with the inlet of the sterilizer.
Further, the top of the sliding installation cavity is vertically connected with a light spring, and the light spring is connected with a filter screen plate positioned at the topmost end in a hanging manner.
Preferably, the connecting hole of the air inlet pipeline and the filter pipeline is in an isosceles triangle shape, and the bottom edge of the isosceles triangle is positioned on one side of the bottom side edge of the bottom filter screen plate.
Meanwhile, the invention also provides an air quality detection method based on environmental protection, which mainly adopts the air quality detection system based on the environmental protection to detect and adjust the air quality based on the detection result, and specifically comprises the steps of firstly installing the PM2.5 sensor at a target position; when the value detected by the PM2.5 sensor meets the environmental requirement, the getter pump is stopped; when the value detected by the PM2.5 sensor does not meet the environmental requirement, starting the getter pump;
when the value detected by the PM2.5 sensor continues to rise, the rotation speed of the suction pump is increased, and when the detected value is reduced, the rotation speed of the suction pump is reduced, and the suction pump is stopped until the detected value meets the environmental requirement.
Compared with the prior art, the invention has the following beneficial effects: the invention has simple structure, directly installs the existing PM2.5 sensor at the corresponding position, collects real-time data, starts and stops and increases and decreases the gas transmission amount of the suction pump according to the data, and automatically adjusts the number of layers and the gas volume of the filter screen plate in the filter pipeline by combining the relation of the air inlet amount and the folding change of the filter screen plate, thereby realizing the rapid and slow operation without continuous operation with full load power and low-efficiency delay purification mode, and realizing intelligent control to a greater extent in a relatively simple mechanical mode.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of an air quality detection system based on environmental protection in the present invention;
FIG. 2 is a top view of a filter tube;
FIG. 3 is an enlarged view of the connection of the inlet duct to the filter duct;
fig. 4 is a top view of the platform.
The PM2.5 sensor 1, the controller 2, the suction pump 3, the sterilizer 4, the exhaust pipeline 5, the flat plate 6, the filter pipeline 7, the groove body 701, the ear plate 702, the air inlet pipeline 8, the platform 9, the upright post 10, the slide bar 11, the filter screen plate 12, the balancing weight 13, the extension plate 14, the interface 15, the tension spring 16, the sealing strip 17, the rectangular sealing gasket 18 and the rib plate 19.
Description of the embodiments
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present invention more clear and easy to understand, the present invention is further described below with reference to the accompanying drawings and the detailed description:
as shown in fig. 1, the present invention proposes an air quality detection system based on environmental protection, which not only can detect the PM2.5 value in the air in real time, but also can perform air purification and filtration adjustment in real time, specifically, it mainly includes a PM2.5 sensor 1 connected with a controller 2, and a suction pump 3 and a purification filter, and the start and stop of the suction pump 3 and the rotation speed of the suction pump are controlled by the controller 2, and the suction pump 3 is used for inputting the absorbed air into the purification filter to perform filtration and purification treatment, so as to optimize the air quality. Specifically, as shown in fig. 1, the purifying filter sequentially comprises a sterilizer 4, an exhaust pipeline 5, a filtering pipeline 7 and an air inlet pipeline 8 which are sequentially connected from top to bottom, wherein the sterilizer 4 can be any air sterilizing device directly purchased in the market or is adaptively designed by adopting ultraviolet lamp sterilizing principle and the like. When in installation, the outlet of the suction pump 3 is in butt joint with the air inlet pipeline 8, and the upper port of the air inlet pipeline 8 is provided with a smooth platform 9 for supporting and installing the filtering pipeline 7. The filtering pipeline 7 comprises two groove bodies 701 with n-shaped cross sections, the two groove bodies 701 are horizontally and slidably arranged on the platform 9, the two groove bodies 701 are elastically connected in a telescopic manner through a horizontally arranged tension spring 16, and one groove body 701 is inserted into a groove of the other groove body 701 in a dynamic sealing manner, so that a rectangular cavity with adjustable horizontal length is formed.
In order to adaptively adjust the rectangular cavity according to the air flow and increase the number of filter layers, as shown in fig. 1, in this embodiment, a plurality of filter screen plates 12 are freely placed in the rectangular cavity, all the filter screen plates 12 are hinged in sequence from the head to the tail, so that the filter screen plates 12 are arranged in a serpentine manner in the vertical height direction of the rectangular cavity, and those filter screen plates 12 located outside the rectangular cavity can be vertically and slidably mounted in the exhaust pipeline 5, so that when the air inflow of the air inlet pipeline 8 is increased, the force pushing the filter screen plates 12 upwards is increased, the filter screen plates 12 in the rectangular cavity adaptively move towards the horizontal position, so that the original filter screen plates 12 in the rectangular cavity are close to each other, and further fold, so that the filter plates suspended above naturally fall down into a plurality of filter screen plates in the rectangular cavity of the filter pipeline 7, on the one hand, expand the horizontal length of the rectangular cavity, increase Rong Qiliang, and correspondingly automatically increase the stacking number of the filter screen plates 12, but structurally very simple, but extremely ingenious and practical, and the simple and practical structure can enable the air to be reasonably and dynamically required to be produced in a proper condition when the air is detected in a horizontal condition or a proper condition.
In order to realize dynamic sealing of the rectangular cavity of the filter tube 7 with the exhaust tube 5 and with the intake tube 8 during the expansion process, first, the bottom end of the exhaust tube 5 of the present embodiment has a flat plate 6, and the top end of the filter tube 7 is in dynamic sealing contact with the flat plate 6.
Then, as shown in fig. 2, n-shaped sealing strips 17 are embedded at the upper and lower ends of the tank body 701, and a rectangular sealing gasket 18 fixed on the end face of the tank body 701 is further arranged between the inner sealing strip 17 and the outer sealing strip 17, so that dynamic sealing is reliably performed, sealing can be maintained no matter how the dynamic sealing moves, and air in the filtering pipeline 7 is prevented from leaking out.
With continued reference to fig. 1-2, upright posts 10 are vertically fixed on both sides of the platform 9, correspondingly, a pair of ear plates 702 are fixed on the outer side of the notch of the groove body 701 positioned on the outer side, a pair of ear plates 702 are also fixed on the outer side of the groove bottom of the other groove body 701, two ear plates 702 opposite to each other are penetrated by a sliding rod 11 in a sliding fit manner, tension springs 16 are sleeved on the sliding rod 11 between the two ear plates 702, two ends of each sliding rod 11 are fixed on the two upright posts 10 on the side where the sliding rod 11 is positioned, and the tension springs 16 always have the function of pulling the two groove bodies 701 together and approaching each other, so that when the air inflow of the filtering pipeline 7 is reduced, the two groove bodies 701 can be pulled to approach each other, and the size of a rectangular cavity is reduced adaptively.
Likewise, for the installation of the filter screen 12 at the bottom end of the filter tube 7, as shown in fig. 3, the bottom side of the filter screen 12 at the bottommost end of the rectangular cavity is placed on the extension plate 14 at the bottom end of the tube wall of the filter tube 7, and the top side of the filter screen 12 is embedded with the balancing weight 13 toward the side of the bottom end of the filter tube 7, and the balancing weight 13 has an important role of being very convex, namely, the folding of the filter screen 12 can be facilitated to be closed: this requires that when all the screen panels 12 are in a vertical natural condition, the weights 13 of adjacent two screen panels 12 are not on the same side, and that the weights 13 are all located at the top side of each screen panel 12, so that when the bottom screen panel 12 is pushed upwards, the two channels 701 are separated from each other, and that this particular staggered arrangement of weights 13 makes the serpentine fold more natural and rapid.
In addition, a rib plate 19 is vertically arranged in the exhaust pipeline 5, a sliding installation cavity for vertically sliding installation of a plurality of filter screen plates 12 is arranged in the rib plate 19, the top wall of the exhaust pipeline 5 at two sides of the rib plate 19 is respectively provided with an exhaust hole, and the exhaust holes are connected with the inlet of the sterilizer 4 so that filtered air is discharged into the atmosphere after being sterilized. In the above embodiment, a series of filter screen plates 12 positioned in the exhaust duct 5 can naturally stay in the sliding installation cavity due to friction with the rib plates 19 and interference between the filter duct 7 and the side edges of the filter screen plates 12 under the action of certain wind force, but, in specific manufacturing, a light spring can be vertically connected to the top of the sliding installation cavity, and the light spring is suspended and connected with the filter screen plate 12 positioned at the topmost end, so that the filter screen plate 12 is suspended, and when the rectangular cavity of the filter duct 7 automatically expands, the filter screen plate 12 in the filter duct further falls, approaches and folds, the falling gravity overcomes the suspending tension of a part of the light spring, so that the filter screen plate 12 falls down again for a plurality of blocks to become a folded state. If more electric automatic control is adopted, a pull rope can be directly arranged to be connected with the filter screen plate 12 at the topmost end, the pull rope is controlled by an electric hoist, the electric hoist is also controlled by the controller 2, and the pull rope is automatically selected to be pulled up or released according to the air delivery quantity of the air pump.
In order to better push and fold the filter screen plate 12, particularly, the connecting hole of the air inlet pipeline 8 and the filter pipeline 7 is processed into an isosceles triangle shape as shown in fig. 4, and the bottom edge of the isosceles triangle is positioned on the side where the bottom side edge of the bottom filter screen plate 12 is positioned, so that the air inflow on the bottom end side of the filter screen plate 12 is large, and the air inflow on the high end side is small, so that the stress required by folding the filter screen plate 12 is more uniform and reliable.
The embodiment also provides an air quality detection method based on environmental protection, which mainly adopts the air quality detection system based on the environmental protection to detect and adjust the air quality based on the detection result, and specifically comprises the steps of firstly installing the PM2.5 sensor 1 at a target position; when the value detected by the PM2.5 sensor 1 meets the environmental requirement, the getter pump 3 is stopped; when the value detected by the PM2.5 sensor 1 does not meet the environmental requirement, the getter pump 3 is started; when the value detected by the PM2.5 sensor 1 continues to rise, the rotation speed of the suction pump 3 is increased, and when the detected value is reduced, the rotation speed of the suction pump 3 is reduced, until the detected value meets the environmental requirement, the suction pump 3 is stopped, so that the implementation detection and improvement of the environmental air quality are simply and effectively realized.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (9)
1. An air quality detection system based on environmental protection, comprising a PM2.5 sensor (1) connected to a controller (2), characterized in that: the device also comprises a suction pump (3) and a purifying filter, wherein the start and stop and the rotating speed of the suction pump (3) are controlled by the controller (2), the suction pump (3) inputs the absorbed air into the purifying filter,
the purifying filter sequentially comprises a sterilizer (4), an exhaust pipeline (5), a filtering pipeline (7) and an air inlet pipeline (8) which are sequentially connected from top to bottom, wherein the outlet of the suction pump (3) is connected with the air inlet pipeline (8) in a butt joint mode, and a smooth platform (9) is arranged at the upper port of the air inlet pipeline (8); the filtering pipeline (7) comprises two groove bodies (701) with n-shaped cross sections, the two groove bodies (701) are horizontally and slidably arranged on the platform (9), the two groove bodies (701) are elastically connected in a telescopic manner through a horizontally arranged tension spring (16), and one groove body (701) is dynamically and hermetically inserted into a groove of the other groove body (701) to form a rectangular cavity with adjustable horizontal length;
a plurality of filter screen plates (12) are freely placed in the rectangular cavity, all the filter screen plates (12) are hinged in sequence from head to tail, so that the filter screen plates (12) are arranged in a serpentine mode in the vertical height direction of the rectangular cavity, the filter screen plates (12) located outside the rectangular cavity are vertically installed in the exhaust pipeline (5) in a sliding fit mode, and when the air inflow of the air inlet pipeline (8) is increased, the filter screen plates (12) in the rectangular cavity adaptively move towards the horizontal position to enlarge the horizontal length of the rectangular cavity.
2. The environmental protection-based air quality detection system of claim 1, wherein: the bottom end of the exhaust pipeline (5) is provided with a flat plate (6), and the top end of the filter pipeline (7) is in dynamic sealing contact with the flat plate (6).
3. The environmental protection-based air quality detection system of claim 2, wherein: the upper end and the lower end of the groove body (701) are embedded with n-shaped sealing strips (17), and a rectangular sealing gasket (18) fixed on the end face of the groove body (701) is arranged between the inner sealing strip (17) and the outer sealing strip (17).
4. An environmental protection-based air quality detection system according to claim 3 and wherein: two sides of the platform (9) are respectively and vertically fixed with upright posts (10); a pair of lug plates (702) are fixed on the outer side of a notch of a groove body (701) positioned on the outer side, a pair of lug plates (702) are also fixed on the outer side of a groove bottom of another groove body (701), two lug plates (702) which are opposite to each other are penetrated through by a sliding rod (11) in a sliding fit manner, the sliding rod (11) between the two lug plates (702) is sleeved with a tension spring (16), and two ends of each sliding rod (11) are fixed on two upright posts (10) on the side where the two slide rods are positioned.
5. The environmental protection-based air quality detection system of claim 1, wherein: the bottom side edge of the filter screen plate (12) positioned at the bottommost end of the rectangular cavity is placed on an extension plate (14) at the bottom end of the pipe wall of the filter pipe (7), the top side edge of the filter screen plate (12) is embedded with a balancing weight (13) towards one side of the bottom port of the filter pipe (7), when all the filter screen plates (12) are in a vertical natural state, the balancing weights (13) of two adjacent filter screen plates (12) are not on the same side, and the balancing weights (13) are all positioned at the top side edge of each filter screen plate (12).
6. The environmental protection-based air quality detection system of claim 5, wherein: the inside of the exhaust pipeline (5) is vertically provided with a rib plate (19), a sliding installation cavity for vertically sliding installation of a plurality of filter screen plates (12) is arranged in the rib plate (19), the top wall of the exhaust pipeline (5) at two sides of the rib plate (19) is respectively provided with an exhaust hole, and the exhaust holes are connected with the inlet of the sterilizer (4).
7. The environmental protection-based air quality detection system of claim 6, wherein: the top of the sliding installation cavity is vertically connected with a light spring, and the light spring is connected with a filter screen plate (12) positioned at the topmost end in a hanging manner.
8. The environmental protection-based air quality detection system of claim 1, wherein: the connecting hole of the air inlet pipeline (8) and the filter pipeline (7) is in an isosceles triangle shape, and the bottom edge of the isosceles triangle is positioned on one side of the bottom side edge of the bottom filter screen plate (12).
9. An air quality detection method based on environmental protection is characterized in that: -detecting with an environmental protection based air quality detection system according to any of claims 1-8, first installing the PM2.5 sensor (1) at a target location;
when the value detected by the PM2.5 sensor (1) meets the environmental requirement, the suction pump (3) is stopped;
when the value detected by the PM2.5 sensor (1) does not meet the environmental requirement, the suction pump (3) is started;
when the value detected by the PM2.5 sensor (1) continues to rise, the rotation speed of the suction pump (3) is increased, and when the detected value is reduced, the rotation speed of the suction pump (3) is reduced, and the suction pump (3) is stopped until the detected value meets the environmental requirement.
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| CN202310466922.0A CN116474479B (en) | 2023-04-27 | 2023-04-27 | Air quality detection system and detection method based on environmental protection |
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| CN202310466922.0A CN116474479B (en) | 2023-04-27 | 2023-04-27 | Air quality detection system and detection method based on environmental protection |
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| CN116474479B true CN116474479B (en) | 2024-03-15 |
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| CN218653526U (en) * | 2022-11-14 | 2023-03-21 | 德兴市鑫茂实业有限公司 | Lead fine powder processing dust treatment device |
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| CN211635708U (en) * | 2020-01-09 | 2020-10-09 | 山东鑫鹏宇矿业装备有限公司 | Dust catching device of mining wet dust collector |
| CN212396204U (en) * | 2020-04-21 | 2021-01-26 | 常州亚瑞过滤设备有限公司 | Abandon foldable airstrainer |
| CN216457618U (en) * | 2021-11-02 | 2022-05-10 | 南通益晖新能源科技有限公司 | Filter equipment for environmental protection air purification equipment |
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| CN116474479A (en) | 2023-07-25 |
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