CN118376548A - Building construction environment dust monitoring system - Google Patents
Building construction environment dust monitoring system Download PDFInfo
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- CN118376548A CN118376548A CN202410523078.5A CN202410523078A CN118376548A CN 118376548 A CN118376548 A CN 118376548A CN 202410523078 A CN202410523078 A CN 202410523078A CN 118376548 A CN118376548 A CN 118376548A
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- 239000000428 dust Substances 0.000 title claims abstract description 105
- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000009435 building construction Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims description 41
- 238000010276 construction Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 7
- 239000010419 fine particle Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
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- 238000000926 separation method Methods 0.000 description 3
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- 238000000149 argon plasma sintering Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of building construction, in particular to a dust monitoring system for a building construction environment, which comprises a shell, wherein a guide pipeline is arranged in the shell in a vertically penetrating manner, an exhaust fan is arranged in the guide pipeline, a plurality of detection pipes communicated with the inside of the guide pipeline are vertically arranged around the guide pipeline, and the other ends of the detection pipes extend out of the shell; the laser transmitter and the photoelectric detector are coaxially arranged and are used for detecting the dust concentration in the air passing through the inside of the detection tube; the dust collecting device comprises a guide pipeline, wherein a collecting hopper is arranged on the outer side of the guide pipeline and mounted below a detection pipe, and the collecting hopper is used for collecting dust inside the detection pipeline. The invention can conveniently collect the dust fine particles, and can facilitate the subsequent analysis of dust components.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a dust monitoring system for a building construction environment.
Background
Dust is a solid particle suspended in air, which not only pollutes the air and the environment, but also seriously affects the life of citizens, and is one of the main sources of atmospheric pollution. When building construction is performed at a construction site, a large amount of dust is generated due to various reasons such as the coming and going of a transport vehicle, the scattering of building materials, the excavation and stacking of earthwork, and the like, and the dust has become one of the main sources of the current urban atmospheric dust.
However, the conventional dust monitoring system only detects the concentration of dust, cannot collect the floating dust formed in the process of monitoring the concentration of the dust, cannot collect the components of the dust synchronously, and is convenient for subsequent analysis of the dust components (dust component monitoring is an important link of building dust monitoring, and the main components and the content thereof in the dust can be known through assay analysis, so that the dust can be helpful for identifying potential harmful substances such as heavy metals, organic compounds and the like, which can have adverse effects on the health of human bodies and the environment.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects existing in the prior art, the invention provides a dust monitoring system for a construction environment, which can effectively solve the problems that the common dust monitoring system in the prior art only detects the concentration of dust, can not collect floating dust formed in the process of monitoring the concentration of the dust, can not synchronously collect the components of the dust, is convenient for subsequent analysis of the components of the dust and is unfavorable for subsequent dust control.
Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme:
The invention provides a dust monitoring system for a building construction environment, which comprises a shell, wherein a guide pipeline is arranged in the shell in a vertically penetrating manner, an exhaust fan is arranged in the guide pipeline, a plurality of detection pipes communicated with the inside of the guide pipeline are vertically arranged around the guide pipeline, and the other ends of the detection pipes extend out of the shell;
The laser transmitter and the photoelectric detector are coaxially arranged and are used for detecting the dust concentration in the air passing through the inside of the detection tube;
The dust collecting device comprises a guide pipeline, wherein a collecting hopper is arranged on the outer side of the guide pipeline and mounted below a detection pipe, and the collecting hopper is used for collecting dust inside the detection pipeline.
Further, a separation disc is arranged at the joint of the detection pipe and the guide pipeline and used for separating dust in the air flowing to the guide pipeline from the detection pipe, a dust discharging through hole is arranged below the detection pipe, and the dust discharging through hole is communicated with the inside of a collecting bin in the collecting hopper; wherein, the both sides of dust through-hole are provided with the deflector respectively, and the deflector is used for guiding the dust that falls to fall into and collects the inside of fighting.
Further, the isolation disc comprises a mounting ring, the outer side of the mounting ring is in sealing connection with the detection pipe, an isolation net is arranged at one end, far away from the guide pipeline, of the mounting ring, and the isolation net is used for separating dust particles in air.
Further, one side of the installation ring far away from the guide pipeline is provided with a deflector rod, the end face of the deflector rod, which faces the isolation net, is propped against the isolation net, the deflector rod is rotatably installed inside the installation ring, one side of the deflector rod, which faces the isolation net, is provided with a driving assembly, and the driving assembly is used for driving the deflector rod to rotate inside the installation ring.
Further, the driving assembly comprises a driving gear, the driving gear and the mounting ring are coaxially arranged, and an air inlet control assembly for driving the driving gear to rotate is arranged in the guide pipeline.
Further, the air inlet control assembly comprises a positioning ring fixedly installed at the top of the inner wall of the guide pipeline, a piston plate is slidably installed below the positioning ring, the piston plate slides up and down in the guide pipeline, the piston plate and the positioning ring are connected with each other through an elastic piece, and a driving gear row for driving a driving gear to rotate is arranged below the piston plate.
Further, the top view projection shape of collecting the fill is annular, the outside at guide pipeline is established to the cover of collecting the fill, collect fill and guide pipeline rotation connection, the inside interval of collecting the fill is provided with a plurality of collection storehouses, the inside of casing is provided with driving motor, driving motor is used for driving to collect the outside rotation of fill at guide pipeline.
Further, a plurality of displays for displaying dust concentration are provided at one side of the housing.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
According to the invention, the dust separated from the inside of the detection tube is received by arranging the guide pipeline at the outer side of the guide pipeline, so that dust fine particles can be conveniently collected, and the subsequent dust component analysis can be conveniently carried out.
According to the invention, the isolation net and the deflector rod are arranged in the mounting ring, dust in air is blocked on the surface of the isolation net by the isolation net, and the deflector rod can cause dust at the positions of the isolation net and the deflector rod to be cleaned when rotating, so that the dust can be smoothly collected.
According to the invention, the piston plate is arranged above the guide pipeline in a sliding manner, and is elastically hung in the guide pipeline, when the isolation net in the detection pipes is blocked by dust, the air entering the guide pipeline from each detection pipe is reduced, so that a negative pressure environment is generated in the guide pipeline, the driving gear row arranged below the piston plate is close to the driving gear, the deflector rod is driven to rotate, and dust adsorbed on the isolation net is cleaned.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the inside of the housing of the present invention;
FIG. 3 is a schematic view of the structure of the inside of the guide duct of the present invention;
FIG. 4 is a schematic view of the structure of the present invention shown in FIG. 3 at a partially enlarged scale;
FIG. 5 is a side view of a semi-sectional structure of a guide tube of the present invention;
FIG. 6 is a schematic view showing the internal structure of the detection tube of the present invention;
FIG. 7 is an exploded view showing the internal structure of the test tube according to the present invention;
Fig. 8 is a schematic diagram of the overall structure of the air intake control assembly of the present invention.
Reference numerals in the drawings represent respectively: 1. a housing; 2. a display; 3. a guide duct; 301. an air outlet; 31. an exhaust fan; 32. an air inlet control assembly; 321. a positioning ring; 322. a piston plate; 323. driving the tooth row; 324. an elastic member; 4. a detection tube; 401. dust-discharging through holes; 41. a laser emitter; 42. a spacer disc; 421. an isolation net; 422. a mounting ring; 423. a deflector rod; 43. a guide plate; 44. a drive gear; 45. a photodetector; 46. an annular plate; 5. a collection bucket; 501. a collecting bin; 51. a driving motor; 52. and a cover plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Examples: the dust monitoring system for the construction environment comprises a shell 1, wherein a guide pipeline 3 is arranged in the shell 1 in a vertically penetrating manner, an exhaust fan 31 is arranged in the guide pipeline 3, a plurality of detection pipes 4 communicated with the inside of the guide pipeline 3 are vertically arranged around the guide pipeline 3, and the other ends of the detection pipes 4 extend out of the shell 1; a plurality of air outlets 301 are provided below the guide duct 3;
The two sides of the detection tube 4 are respectively provided with a laser emitter 41 and a photoelectric detector 45, the laser emitter 41 and the photoelectric detector 45 are coaxially arranged, and the laser emitter 41 and the photoelectric detector 45 are used for detecting the dust concentration in the air passing through the inside of the detection tube 4; an annular plate 46 is arranged on one side of the detection tube 4 far away from the guide pipeline 3, and the annular plate 46 is used for preventing external large-scale particles from splashing into the detection tube 4;
Wherein, the outside of guide pipeline 3 is provided with and collects the fill 5, collect the below of fighting 5 installation at detection pipe 4, collect the inside dust of fighting 5 is used for collecting detection pipeline 4.
In the invention, the dust separated from the inside of the detection tube 4 is received by arranging the guide pipeline 3 at the outer side, so that dust fine particles can be conveniently collected, and the subsequent dust component analysis can be conveniently carried out.
Wherein, in the driven in-process of exhaust fan 31, can drive the inside air current of guide pipeline 3 and flow downwards, the inside air current of guide pipeline 3 can make the inside air of detection tube 4 keep away from the inside flow of guide pipeline 3, can be convenient with the inside of each detection tube 4 of air suction around, after the inside of air entering detection tube 4, can be through between laser emitter 41 and the photo-detector 45, laser emitter 41 sends laser this moment, is received by photo-detector 45 after the dust scattering in the air, and the concentration of dust in the air that reachs the detection.
Detection principle: the working principle is mainly based on a light scattering technology and an electrostatic alternating current induction technology. Light scattering techniques involve the use of a laser diode as a light source, where particles scatter light when laser light impinges on suspended particles in the air. The scattered light intensity of a particle is proportional to its mass concentration, and by measuring the scattered light intensity and applying a mass concentration conversion factor, the mass concentration of the particle can be determined. In addition, the laser dust detection device also uses the photoelectric detector 45 to convert scattered light intensity into an electric signal so as to measure dust concentration; static ac induction techniques involve monitoring signals generated by dynamic charge induction between dust particles flowing through the probe and the probe. By measuring the standard deviation of the charge signal, the amount of disturbance of the alternating current signal can be determined, thereby estimating the dust emission amount.
Further, as shown in fig. 6, a separation disc 42 is disposed at the connection between the detection tube 4 and the guide tube 3, the separation disc 42 is used for separating dust in the air flowing into the guide tube 3 from the detection tube 4, a dust-discharging through hole 401 is disposed below the detection tube 4, and the dust-discharging through hole 401 is communicated with the inside of the collection bin 501 inside the collection bucket 5.
Wherein, the two sides of the dust-discharging through hole 401 are respectively provided with a guide plate 43, and the guide plates 43 are used for guiding the falling dust to fall into the collecting hopper 5; by arranging the isolation disc 42, part of dust in the air is left in the detection tube 4, so that a sample of the dust in the air is obtained, and the subsequent analysis of the dust in the air is facilitated.
Further, as shown in fig. 6 and 7, the isolation disc 42 includes a mounting ring 422, the outer side of the mounting ring 422 is in sealing connection with the detection tube 4, an isolation net 421 is disposed at one end of the mounting ring 422 away from the guiding pipe 3, the isolation net 421 is a flexible net, and the isolation net 421 is used for separating dust particles in air.
Further, a driving rod 423 is disposed on one side of the mounting ring 422 away from the guiding pipe 3, the end face of the driving rod 423 facing the isolation net 421 abuts against the isolation net 421, the driving rod 423 is rotatably mounted inside the mounting ring 422, a driving assembly is disposed on one side of the driving rod 423 facing the isolation net 421, and the driving assembly is used for driving the driving rod 423 to rotate inside the mounting ring 422.
In the invention, the isolation net 421 and the deflector rod 423 are arranged in the mounting ring 422, the isolation net 421 keeps dust in the air on the surface of the isolation net 421, and the deflector rod 423 contacts with the isolation net 421 when rotating, so that the dust on the isolation net 421 can be cleaned, and the dust can be smoothly collected.
Wherein, the inside coaxial transmission shaft that is provided with of collar 422, the one end of transmission shaft passes the isolation net 421 and is connected with the one end of a plurality of driving levers 423, the other end of transmission shaft is connected with drive assembly, and drive assembly passes through the transmission shaft and drives driving levers 423 and rotate.
Further, the driving assembly comprises a driving gear 44, the driving gear 44 is coaxially arranged with the mounting ring 422, and the air inlet control assembly 32 for driving the driving gear 44 to rotate is arranged in the guide pipeline 3.
Further, as shown in fig. 8, the air intake control assembly 32 includes a positioning ring 321 fixedly installed on the top of the inner wall of the guide pipe 3, a piston plate 322 is slidably installed below the positioning ring 321, the piston plate 322 slides up and down inside the guide pipe 3, the piston plate 322 and the positioning ring 321 are connected with each other by an elastic member 324, and a driving gear row 323 for driving the driving gear 44 to rotate is provided below the piston plate 322.
In the invention, by sliding the piston plate 322 above the guide pipe 3, the piston plate 322 is elastically hung inside the guide pipe 3, when the isolation net 421 inside the detection pipes 4 is blocked by dust, the air entering the guide pipe 3 from each detection pipe 4 is reduced, so that a negative pressure environment is generated inside the guide pipe 3, at this time, the piston plate 322 at the top of the guide pipe 3 moves downwards under the action of atmospheric pressure, so that the driving gear row 323 installed below the piston plate 322 is close to the driving gear 44, the deflector rod 423 is driven to rotate, and the dust adsorbed on the isolation net 421 is cleaned.
It should be noted that, more cleaning of the isolation net 421 by the driving lever 423 occurs in the process of moving the driving gear row 323 upward, which is performed after the exhaust fan 31 stops (after the piston plate 322 moves downward to a certain position, the exhaust fan 31 is closed), at this time, the piston plate 322 moves upward under the driving of the elastic member 324 (in the actual use process, the elastic member 324 may be a spring or a rubber elastic belt), the driving gear row 323 moves upward and drives the driving lever 423 to rotate, and in this process, the detecting tube 4 and the inside of the guiding tube 3 are both in a normal pressure state, so that dust adhered to the isolation net 421 can be cleaned more easily.
In addition, the process of detecting the dust concentration in the air occurs in the process that the initial air enters the detecting tube 4, and the moment of detecting the dust concentration again occurs when the exhaust fan 31 is opened again to exhaust air, so that the method of separating the dust in the air in the detecting tube 4 does not affect the size of the dust concentration detection value in the air and the accuracy of dust concentration detection.
Further, the top view projection shape of the collecting bucket 5 is annular, the collecting bucket 5 is sleeved on the outer side of the guide pipeline 3, the collecting bucket 5 is rotationally connected with the guide pipeline 3, a plurality of collecting bins 501 are arranged at intervals inside the collecting bucket 5, a driving motor 51 is arranged inside the shell 1, and the driving motor 51 is used for driving the collecting bucket 5 to rotate on the outer side of the guide pipeline 3.
Wherein, still be provided with the apron 52 that covers on collecting hopper 5 in the outside of guide pipeline 3, apron 52 fixed mounting is in the outside of guide pipeline 3, and apron 52 and collecting hopper 5 rotate to be connected.
Further, a plurality of displays 2 for displaying dust concentration are provided at one side of the housing 1, and the photodetector 45 converts scattered light intensity into an electric signal and transmits the electric signal to the displays 2.
Wherein, through setting up and driving collection fill 5 pivoted driving motor 51, after accomplishing a dust collection, drive through driving motor 51 and collect fill 5 rotation certain angle for aim at the collection storehouse 501 of the dust through-hole 401 of detecting tube 4 below and change, the dust is collected and is placed separately many times that can be convenient.
Working principle: in the detection process, the exhaust fan 31 is firstly turned on, under the action of the exhaust fan 31, the air around the shell 1 is sucked into the detection tube 4 to detect the dust concentration, then when a certain amount of dust is accumulated in the detection tube 4 (namely, the dust blocks the meshes on the isolation net 421), the piston plate 322 moves downwards along with the pressure reduction in the guide pipeline 3, the exhaust fan 31 is turned off after the piston plate 322 descends to a designated position, the piston plate 322 is reset, and the dust attached to the isolation net 421 is cleaned down to the inside of the collection hopper 5 in the process of moving up and down by the piston plate 322, so that the dust concentration detection and dust collection in primary air are completed.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The dust monitoring system for the construction environment is characterized by comprising a shell (1), wherein a guide pipeline (3) is arranged in the shell (1) in a vertically penetrating manner, an exhaust fan (31) is arranged in the guide pipeline (3), a plurality of detection pipes (4) communicated with the inside of the guide pipeline (3) are vertically arranged around the guide pipeline (3), and the other ends of the detection pipes (4) extend out of the shell (1);
The two sides of the detection tube (4) are respectively provided with a laser emitter (41) and a photoelectric detector (45), the laser emitters (41) and the photoelectric detectors (45) are coaxially arranged, and the laser emitters (41) and the photoelectric detectors (45) are used for detecting dust concentration in air passing through the inside of the detection tube (4);
The dust collecting device is characterized in that a collecting hopper (5) is arranged on the outer side of the guide pipeline (3), the collecting hopper (5) is arranged below the detection pipe (4), and the collecting hopper (5) is used for collecting dust inside the detection pipe (4).
2. The dust monitoring system for the construction environment according to claim 1, wherein an isolation disc (42) is arranged at the joint of the detection tube (4) and the guide pipeline (3), the isolation disc (42) is used for separating dust in the air flowing into the guide pipeline (3) from the detection tube (4), a dust discharging through hole (401) is arranged below the detection tube (4), and the dust discharging through hole (401) is communicated with the inside of a collection bin (501) inside the collection bucket (5).
3. A construction environment dust monitoring system according to claim 2, characterized in that the isolation disc (42) comprises a mounting ring (422), the outer side of the mounting ring (422) is in sealing connection with the detection tube (4), the end of the mounting ring (422) away from the guiding tube (3) is provided with an isolation net (421), and the isolation net (421) is used for isolating dust particles in the air.
4. A construction environment dust monitoring system according to claim 3, characterized in that the side of the mounting ring (422) far away from the guide pipeline (3) is provided with a deflector rod (423), the deflector rod (423) is abutted against the isolation net (421) towards the end face of the isolation net (421), the deflector rod (423) is rotatably mounted inside the mounting ring (422), and the side of the deflector rod (423) towards the isolation net (421) is provided with a driving component for driving the deflector rod (423) to rotate inside the mounting ring (422).
5. A construction environment dust monitoring system according to claim 4, characterized in that the driving assembly comprises a driving gear (44), the driving gear (44) is coaxially arranged with a mounting ring (422), and an air inlet control assembly (32) for driving the driving gear (44) to rotate is arranged in the guiding pipeline (3).
6. The dust monitoring system for the construction environment according to claim 5, wherein the air inlet control assembly (32) comprises a positioning ring (321) fixedly installed at the top of the inner wall of the guide pipeline (3), a piston plate (322) is slidably installed below the positioning ring (321), the piston plate (322) slides up and down inside the guide pipeline (3), the piston plate (322) and the positioning ring (321) are connected with each other through an elastic piece (324), and a driving gear row (323) for driving the driving gear (44) to rotate is arranged below the piston plate (322).
7. The building construction environment dust monitoring system according to claim 1, wherein the top view projection shape of the collecting hopper (5) is annular, the collecting hopper (5) is sleeved outside the guide pipeline (3), the collecting hopper (5) is rotationally connected with the guide pipeline (3), a plurality of collecting bins (501) are arranged at intervals inside the collecting hopper (5), a driving motor (51) is arranged inside the shell (1), and the driving motor (51) is used for driving the collecting hopper (5) to rotate outside the guide pipeline (3).
8. A construction environment dust monitoring system according to claim 1, characterized in that one side of the housing (1) is provided with a plurality of displays (2) for displaying dust concentration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410523078.5A CN118376548A (en) | 2024-04-28 | 2024-04-28 | Building construction environment dust monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410523078.5A CN118376548A (en) | 2024-04-28 | 2024-04-28 | Building construction environment dust monitoring system |
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| CN118376548A true CN118376548A (en) | 2024-07-23 |
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| CN202410523078.5A Pending CN118376548A (en) | 2024-04-28 | 2024-04-28 | Building construction environment dust monitoring system |
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| 张所容;: "基于激光检测法的大气扬尘实时在线监测研究", 工业安全与环保, no. 07, 30 July 2018 (2018-07-30) * |
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