CN211347646U - Detection mechanism for pollutants in air - Google Patents
Detection mechanism for pollutants in air Download PDFInfo
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- CN211347646U CN211347646U CN202020498585.5U CN202020498585U CN211347646U CN 211347646 U CN211347646 U CN 211347646U CN 202020498585 U CN202020498585 U CN 202020498585U CN 211347646 U CN211347646 U CN 211347646U
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Abstract
The utility model provides a detection mechanism of pollutant in air, including the detection section of thick bamboo, filtering mechanism, pollutant detection sensor group, controller and display screen, inside filtering mechanism's fan can inhale the detection section of thick bamboo with the outside air, filter the back by the filter screen with the big granule in the air that wafts the dirt, make the air that enters into in the detection chamber have no big granule to waft the dirt and float, prevent to influence the detection of pollutant, on the other hand, weight can increase after the dirt is wafted in the filter screen collection, the concentration information of wafting the dirt in the air is judged according to the weight difference around the filter screen by the controller, and pollutant classification and the concentration display that will waft dirt concentration and detect are on the display screen, thereby the staff can look over corresponding air information through the display screen and judge the air quality condition.
Description
Technical Field
The utility model relates to an empty gas detection surveys technical field, in particular to detection mechanism of pollutant in air.
Background
Air pollutants usually refer to foreign substances entering the near-ground or low-level atmospheric environment in a gaseous state, such as nitrogen oxides, sulfur oxides, carbon oxides, floating dust, suspended particles and the like, the detection of pollutants in the air is generally realized by directly collecting the air and then adopting a sensor group, the detection of the sensor group is influenced to a certain extent due to the existence of more floating dust in the air, meanwhile, the existing detection mechanism can only detect the concentration of various gaseous pollutants, but can not detect the concentration of the floating dust in the air at the same time, a plurality of mechanisms are required to be arranged for detection, and the use cost is high.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a detection mechanism of pollutant in air can carry out the detection of pollutant after filtering to the dust that wafts, improves the detection precision of pollutant, and through gathering the dust that wafts, can detect the concentration of the dust that wafts in the air simultaneously.
The technical scheme of the utility model is realized like this:
a detection mechanism for pollutants in air comprises a detection barrel, a filtering mechanism, a pollutant detection sensor group, a controller and a display screen, wherein the detection barrel comprises an air inlet, an air outlet, a detection cavity and a filtering cavity, the filtering cavity is respectively communicated with the detection cavity and the air inlet, the detection cavity is communicated with the air outlet, the pollutant detection sensor group is arranged in the detection cavity, and the controller and the display screen are arranged on the outer surface of the detection barrel; the filter mechanism includes fan, filter screen and weight sensor, the filter screen slides and sets up in the filter chamber and the junction that detects the chamber, the fan is located and detects the intracavity to be located filter screen one side, weight sensor is located the filter screen below, the controller is connected with fan, pollutant detection sensor group, weight sensor and display screen electricity respectively.
Preferably, the pollutant detection sensor group comprises a sulfur dioxide sensor, a nitrogen oxide sensor and an organic compound sensor.
Preferably, the upper surface of the filter cavity is provided with a sliding groove, the upper end of the filter screen is provided with a sliding block, and the sliding block is positioned in the sliding groove.
Preferably, a limiting block is arranged in the sliding groove, and when the sliding block moves in the sliding groove and contacts with the limiting block, the filter screen is located above the weight sensor.
Preferably, the device also comprises a base and a connecting rod, wherein one end of the connecting rod is connected with the detection cylinder, and the other end of the connecting rod is rotatably connected with the base.
Preferably, the upper surface of the base is provided with a bearing, and one end of the connecting rod is connected with the bearing.
Preferably, the wind vane is arranged on the upper surface of the detection barrel.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a detection mechanism for pollutants in air, a fan sucks external air into a detection cylinder, the air enters a filter cavity from an air inlet, large-particle floating dust is filtered under the filtering action of a filter screen, then the residual air enters a detection cavity, a pollutant detection sensor group arranged in the detection cavity can detect pollutants contained in the air, the floating dust is filtered, the detection precision of the pollutant detection sensor group is higher, detection errors are prevented, the detection result can be displayed on a display screen for a worker to check, the floating dust collected on the filter screen can increase the whole weight of the filter screen, a weight sensor positioned below the filter screen can transmit weight information to a controller, the controller judges the increased weight, the concentration of the flying dust in the air is obtained, and the concentration of the flying dust is displayed on the display screen, and two functions of pollutant detection and raise dust concentration detection are realized simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a first embodiment of a mechanism for detecting airborne pollutants according to the present invention;
fig. 2 is a schematic view of the internal structure of a detection cylinder of a first embodiment of a mechanism for detecting pollutants in air according to the present invention;
fig. 3 is a schematic circuit diagram of a first embodiment of a mechanism for detecting airborne contaminants according to the present invention;
fig. 4 is a schematic structural diagram of a second embodiment of a mechanism for detecting airborne pollutants according to the present invention;
in the figure, 1 is detecting a section of thick bamboo, 2 is pollutant detection sensor group, 3 is the controller, 4 is the display screen, 5 is the air inlet, 6 is the gas outlet, 7 is detecting the chamber, 8 is the filter chamber, 9 is the fan, 10 is the filter screen, 11 is weighing transducer, 12 is the sulfur dioxide sensor, 13 is nitrogen oxide sensor, 14 is organic compound sensor, 15 is the spout, 16 is the slider, 17 is the stopper, 18 is the base, 19 is the connecting rod, 20 is the wind vane.
Detailed Description
In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the utility model provides a detection mechanism for pollutants in air, including a detection barrel 1, a filter mechanism, a pollutant detection sensor group 2, a controller 3 and a display screen 4, the detection barrel 1 includes an air inlet 5, an air outlet 6, a detection chamber 7 and a filter chamber 8, the filter chamber 8 is respectively communicated with the detection chamber 7 and the air inlet 5, the detection chamber 7 is communicated with the air outlet 6, the pollutant detection sensor group 2 is arranged in the detection chamber 7, and the controller 3 and the display screen 4 are arranged on the outer surface of the detection barrel 1; the filter mechanism includes fan 9, filter screen 10 and weight sensor 11, filter screen 10 slides and sets up in filter chamber 8 and the junction that detects chamber 7, fan 9 is located and detects chamber 7 to be located filter screen 10 one side, weight sensor 11 is located filter screen 10 below, controller 3 is connected with fan 9, pollutant detection sensor group 2, weight sensor 11 and display screen 4 electricity respectively.
The detection mechanism of pollutants in air of this embodiment, is used for detecting pollutants in air, is provided with air inlet 5 and gas outlet 6 on the outer wall of detection cylinder 1, air inlet 5 is arranged on the side of detection cylinder 1, gas outlet 6 is arranged on the bottom surface of detection cylinder 1, its interior is divided into detection chamber 7 and filter chamber 8 by the filter mechanism, when working, the outside air enters into filter chamber 8 from air inlet 5, under the effect of filter mechanism, the large granule floating dust is filtered, then the air enters into detection chamber 7, the air is detected by pollutant detection sensor group 2 arranged in detection chamber 7, the detected result is transmitted to controller 3, the detected result is displayed on display screen 4 after being processed by controller 3, thereby the staff can look over information such as the kind and content of pollutants in the air from display screen 4, because filter earlier before detecting the air, consequently can prevent that large granule flyash from causing the influence to the detection of pollutant in the air, guarantee the accuracy that detects, in order to further guarantee the accuracy that detects, the controller 3 of this embodiment adopts the singlechip of STM32F101C8 model to realize.
The embodiment has a function of detecting the concentration of floating dust besides the function of detecting pollutants, the filtering mechanism includes a fan 9, a filter screen 10 and a weight sensor 11, wherein the filter screen 10 divides the detecting cylinder 1 into a detecting chamber 7 and a filtering chamber 8, the outside air is sucked into the filtering chamber 8 by the fan 9, and then enters the detecting chamber 7 after being filtered by the filter screen 10, and the weight sensor 11 is arranged below the filter screen 10, so as to detect the weight of the filter screen 10 in real time and transmit the collected weight information to the controller 3, when large-particle floating dust is collected on the filter screen 10, the weight of the large-particle floating dust is increased, the controller 3 can calculate the collected weight of the floating dust according to the original weight of the filter screen 10 and the increased total weight, thereby calculating the concentration of the floating dust, and displaying the concentration of the floating dust on the display screen 4, thereby realizing the detection of the concentration of the floating dust, the model of the weight sensor 11 is PTS124-133G, which can collect the weight information in real time, and the filter screen 10 is arranged inside the detection cylinder 1 in a sliding way, so that the filter screen 10 can be detached for replacement or cleaning.
Preferably, the pollutant detecting sensor group 2 comprises a sulphur dioxide sensor 12, a nitrogen oxide sensor 13 and an organic compound sensor 14.
The pollutant detection sensor of the embodiment can detect sulfur dioxide, nitrogen oxide, organic compounds and the like in the air, wherein the model of the sulfur dioxide sensor 12 is ME3-SO2, the model of the nitrogen oxide sensor 13 is SGA-500F-NOx, and the model of the organic compound sensor 14 is T-ION-TVOC.
Preferably, the upper surface of the filter cavity 8 is provided with a sliding groove 15, the upper end of the filter screen 10 is provided with a sliding block 16, and the sliding block 16 is positioned in the sliding groove 15.
When the filter screen 10 slides, the sliding block 16 arranged on the filter screen can slide along the sliding groove 15, and when the filter screen 10 is detached and installed, the movement of the filter screen 10 can be limited, so that the filter screen 10 is prevented from deviating.
Preferably, a limit block 17 is arranged in the sliding groove 15, and when the sliding block 16 moves in the sliding groove 15 and contacts with the limit block 17, the filter screen 10 is located above the weight sensor 11.
Preferably, the detection device further comprises a base 18 and a connecting rod 19, one end of the connecting rod 19 is connected with the detection cylinder 1, the other end of the connecting rod 19 is rotatably connected with the base 18, a bearing (not shown in the figure) is arranged on the upper surface of the base 18, and one end of the connecting rod 19 is connected with the bearing.
The detection cylinder 1 is rotatably connected with the base 18 through a connecting rod 19, so that the orientation of the base 18 can be adjusted, and the orientation of the air inlet 5 can be adjusted according to different wind directions.
Referring to the second embodiment shown in fig. 4, a wind vane 20 is further included, and the wind vane 20 is disposed on the upper surface of the detection cylinder 1.
This embodiment does not need the orientation of manual regulation detection section of thick bamboo 1, and the wind vane 20 of setting on detecting section of thick bamboo 1 can be according to the orientation of wind direction automatically regulated air inlet 5 to can make wind automatic enter into in detecting section of thick bamboo 1, reduce the work energy consumption of fan 9, reduce the waste of resource.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The detection mechanism for pollutants in air is characterized by comprising a detection barrel, a filtering mechanism, a pollutant detection sensor group, a controller and a display screen, wherein the detection barrel comprises an air inlet, an air outlet, a detection cavity and a filtering cavity; the filter mechanism includes fan, filter screen and weight sensor, the filter screen slides and sets up in the filter chamber and the junction that detects the chamber, the fan is located and detects the intracavity to be located filter screen one side, weight sensor is located the filter screen below, the controller is connected with fan, pollutant detection sensor group, weight sensor and display screen electricity respectively.
2. A mechanism for detecting pollutants in the air as claimed in claim 1, wherein said pollutant detecting sensor group comprises a sulfur dioxide sensor, a nitrogen oxide sensor and an organic compound sensor.
3. The mechanism of claim 1, wherein a sliding groove is formed in the upper surface of the filter cavity, and a sliding block is arranged at the upper end of the filter screen and located in the sliding groove.
4. The mechanism of claim 3, wherein the slot has a stopper therein, and the filter screen is located above the weight sensor when the slider moves in the slot and contacts the stopper.
5. The mechanism of claim 1, further comprising a base and a connecting rod, wherein one end of the connecting rod is connected to the detection cylinder, and the other end of the connecting rod is rotatably connected to the base.
6. The mechanism of claim 5, wherein a bearing is disposed on the upper surface of the base, and one end of the connecting rod is connected to the bearing.
7. The mechanism of claim 5, further comprising a wind vane disposed on the upper surface of the detection cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020498585.5U CN211347646U (en) | 2020-04-09 | 2020-04-09 | Detection mechanism for pollutants in air |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020498585.5U CN211347646U (en) | 2020-04-09 | 2020-04-09 | Detection mechanism for pollutants in air |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033769A (en) * | 2020-08-26 | 2020-12-04 | 福建碧霞环保科技有限公司 | Pollution online monitoring and tracing system based on artificial intelligence and use method thereof |
| CN113405193A (en) * | 2021-06-30 | 2021-09-17 | 中国十七冶集团有限公司 | Natural ventilation system and ventilation method for building workshop roof |
| CN113457066A (en) * | 2021-07-14 | 2021-10-01 | 西安交通大学医学院第一附属医院 | Rehabilitation exercise device for patients in endocrinology department |
| CN114414448A (en) * | 2022-01-21 | 2022-04-29 | 中国商用飞机有限责任公司 | Particulate matter concentration measuring device and measuring method |
-
2020
- 2020-04-09 CN CN202020498585.5U patent/CN211347646U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033769A (en) * | 2020-08-26 | 2020-12-04 | 福建碧霞环保科技有限公司 | Pollution online monitoring and tracing system based on artificial intelligence and use method thereof |
| CN112033769B (en) * | 2020-08-26 | 2022-05-03 | 福建碧霞环保科技有限公司 | Pollution online monitoring and tracing system based on artificial intelligence and use method thereof |
| CN113405193A (en) * | 2021-06-30 | 2021-09-17 | 中国十七冶集团有限公司 | Natural ventilation system and ventilation method for building workshop roof |
| CN113457066A (en) * | 2021-07-14 | 2021-10-01 | 西安交通大学医学院第一附属医院 | Rehabilitation exercise device for patients in endocrinology department |
| CN114414448A (en) * | 2022-01-21 | 2022-04-29 | 中国商用飞机有限责任公司 | Particulate matter concentration measuring device and measuring method |
| CN114414448B (en) * | 2022-01-21 | 2024-03-05 | 中国商用飞机有限责任公司 | Particulate matter concentration measuring device and measuring method |
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