CN116678691A - Air particle content sampling detection device for monitoring atmospheric pollution - Google Patents
Air particle content sampling detection device for monitoring atmospheric pollution Download PDFInfo
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- CN116678691A CN116678691A CN202310937205.1A CN202310937205A CN116678691A CN 116678691 A CN116678691 A CN 116678691A CN 202310937205 A CN202310937205 A CN 202310937205A CN 116678691 A CN116678691 A CN 116678691A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 110
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000005070 sampling Methods 0.000 title claims abstract description 26
- 239000002245 particle Substances 0.000 title claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 32
- 238000003915 air pollution Methods 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
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- 239000003344 environmental pollutant Substances 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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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Abstract
The invention relates to the technical field of air sampling detection, in particular to an air particle content sampling detection device for monitoring air pollution. It includes a flow regulating plate and a flow guiding chamber. According to the invention, the monitoring cavity is communicated with different areas by adjusting the position of the flow regulating plate, so that residual air flow in the monitoring area can be guided and removed in time, the influence of the residual air flow on secondary monitoring is prevented, and meanwhile, after new air flow is led into the inner end of the monitoring cavity through the flow guiding cavity, the other end of the monitoring cavity is subjected to sealing treatment through the flow regulating plate, so that the air flow for secondary monitoring can be fully contacted with monitoring equipment, the monitoring accuracy is improved, and the error is reduced.
Description
Technical Field
The invention relates to the technical field of air sampling detection, in particular to an air particle content sampling detection device for monitoring air pollution.
Background
Atmospheric pollution is the phenomenon that certain substances enter the atmosphere due to human activities or natural processes, are in sufficient concentration for a sufficient time, and therefore harm the comfort, health and welfare or environment of human bodies, and the atmospheric pollutants enter the atmosphere from artificial sources or natural sources and participate in the circulation process of the atmosphere, are removed from the atmosphere through chemical reactions, biological activities and physical sedimentation in the atmosphere after a certain residence time, are relatively accumulated in the atmosphere if the output rate is lower than the input rate, and cause the concentration of certain substances in the atmosphere to be increased, and when the concentration is increased to a certain extent, acute and chronic harm is directly or indirectly caused to people, organisms or materials and the like.
In the process of carrying out the atmospheric pollution treatment, the type and the content of the atmospheric pollutants can be determined by firstly sampling and detecting the content of the air particles so as to be used for preparing a corresponding treatment method in the later period.
Because in carrying out air particle content sampling testing process, need carry out air particle content detection to the air current that flows through the monitoring facilities that sets up, traditional monitoring facilities is because the air current velocity of flow is too fast, leads to the monitoring time limited for the monitoring air current hardly obtains abundant monitoring, even guide the air current to the closed region and carry out centralized monitoring, but the monitoring mode adopts multiunit contrast mode, need carry out the air current in the collection air promptly many times, this just leads to the air current in the airtight to be difficult to in time discharge, the air current monitoring to next group collection produces the influence.
In order to cope with the above problems, there is a need for an air particle content sampling and detecting device for monitoring air pollution.
Disclosure of Invention
The invention aims to provide an air particle content sampling and detecting device for monitoring air pollution so as to solve the problems in the background art.
In order to achieve the above purpose, the air particle content sampling and detecting device for monitoring air pollution comprises a fixing device, wherein the fixing device comprises a pair of side frames, the side surfaces of the two side frames are respectively provided with an acquisition component for regularly acquiring air, and the inner ends of the two side frames are respectively provided with a diversion treatment device;
the diversion treatment equipment comprises a diversion pipe, a diversion cavity communicated with the acquisition assembly is formed in the inner end of the diversion pipe, a diversion cavity communicated with the two ends of the diversion cavity and the diversion cavity are formed in the two ends of the diversion pipe respectively, a drainage port is formed in one side, close to the diversion cavity, of the diversion pipe, a detection box is connected to the outer side of the diversion pipe, close to the middle position, of the diversion pipe, a flow regulating plate is arranged in the inner end of the detection box, a monitoring cavity is formed in the inner end of the detection box, the monitoring equipment is arranged in the inner end of the monitoring cavity, the monitoring cavity is respectively communicated with the diversion cavity and the diversion cavity through position adjustment of the flow regulating plate, the two ends of the flow regulating plate extend into the diversion cavity and the inner end of the diversion cavity respectively, a plurality of drainage ports are formed in one end of the flow regulating plate, and a reset assembly is connected between the detection boxes in the middle area of the flow regulating plate;
when the flow guiding chamber is communicated with the monitoring chamber, the flow guiding chamber is in an isolated state with the monitoring chamber, the air flow guided by the inner end of the flow guiding chamber guides the residual air flow at the inner end of the monitoring chamber to the inner end of the flow discharging port and is discharged outwards, and when the flow guiding chamber is communicated with the monitoring chamber, the flow guiding chamber is in an isolated state with the monitoring chamber, and the air flow guided by the inner end of the flow guiding chamber is discharged into the inner end of the monitoring chamber.
As a further improvement of the technical scheme, underframes are arranged at the bottom ends of the two side frames, a connecting plate is connected between the top ends of the underframes in a sliding manner, and limiting springs are connected between the two ends of the connecting plate and the inner ends of the underframes respectively.
As a further improvement of the technical scheme, the collecting assembly comprises a collecting head, the bottom end of the collecting head is connected with an air pump, the air pump is fixed on the side face of the side frame, the bottom end of the air pump is connected with a drainage tube, the collecting head is communicated with the drainage tube through the air pump, and the drainage tube is communicated with the inner end of the diversion cavity.
As a further improvement of the technical scheme, a baffle plate is arranged at the inner end of the diversion chamber close to the diversion chamber.
As a further improvement of the technical scheme, a shunt frame is arranged at the inner end of the shunt cavity close to the middle position and is positioned at the joint of the shunt cavity and the drainage tube, and the shunt frame is of a triangular structure.
As a further improvement of the technical scheme, the reset assembly comprises a rotating shaft, the rotating shaft is in rotary connection with the flow regulating plate and the detection box, and a reset spring is connected between the rotating shaft and the inner end of the flow regulating plate.
As a further improvement of the technical scheme, a slot is formed in one end, close to the flow guide cavity, of the flow guide plate, a flitch is inserted into the inner end of the slot, and an elastic component is connected with the flitch and the inner end of the slot.
As a further improvement of the technical scheme, the tail end of the flitch is of an arc-shaped structure.
As a further improvement of the technical scheme, clamping plates are arranged at the bottom end of the underframe.
Compared with the prior art, the invention has the beneficial effects that:
1. in this air particle content sampling detection device that atmospheric pollution control was used, change monitoring cavity and different regions through adjusting the accent flow board position and communicate, not only can in time guide the removal to the residual air current of monitoring region, prevent that residual air current from producing the influence to the secondary monitoring, simultaneously after new air current passes through the leading-in monitoring cavity inner of water conservancy diversion cavity, carry out sealing treatment to the monitoring cavity other end through accent flow board, guarantee that the air current of secondary monitoring can fully contact with monitoring facilities, improve monitoring accuracy, reduce error's production.
2. In this air particle content sampling detection device that atmospheric pollution control was used, form the turning through the baffle that sets up between to reposition of redundant personnel cavity and water conservancy diversion cavity and cover, reform inclined plane again, carry out the adaptation through the inclined plane that forms and guide to the air current, consume too much potential energy when preventing the air current through the turning, influence air current transmission efficiency.
3. In this air granule content sampling detection device that atmospheric pollution control was used, maintain the single passageway emission of water conservancy diversion cavity and monitoring cavity through flitch and the elastic component that sets up, promote the flitch through the elastic component, make the flitch end laminate all the time at water conservancy diversion cavity inner wall, the shielding surface that the flitch formed guides the air current to monitoring cavity inner this moment, improves the inner air current guiding efficiency of water conservancy diversion cavity.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a fixture according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A in accordance with the present invention;
FIG. 4 is a schematic view of the structure of the collecting assembly of the present invention;
FIG. 5 is a schematic diagram of a diversion processing apparatus according to the present invention;
FIG. 6 is a cross-sectional view of a flow directing treatment apparatus of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6B in accordance with the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 6 at C in accordance with the present invention;
FIG. 9 is an enlarged view of a portion of the invention at D of FIG. 6;
FIG. 10 is a cross-sectional view of a flow conduit structure of the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 10 at E in accordance with the present invention;
FIG. 12 is an enlarged view of a portion of FIG. 10 at F in accordance with the present invention;
fig. 13 is an overall working principle of the present invention.
The meaning of each reference sign in the figure is:
10. a stationary device; 110. a side frame; 120. a chassis; 121. a clamping plate; 122. a connecting plate; 123. a limit spring;
20. a collection assembly; 210. a collection head; 220. an air extracting pump; 230. a drainage tube;
30. a diversion treatment device; 310. a flow guiding pipe; 311. a diversion chamber; 312. a drainage chamber; 313. a diversion chamber; 314. a drainage port; 315. a baffle plate; 316. a shunt frame; 320. a detection box; 330. a flow regulating plate; 331. a rotating shaft; 332. a return spring; 333. a drainage port; 334. a slot; 335. and (5) sticking the board.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-13, an air particle content sampling and detecting device for monitoring air pollution is provided, which comprises a fixing device 10, wherein the fixing device 10 comprises a pair of side frames 110, the side surfaces of the two side frames 110 are respectively provided with an acquisition component 20 for regularly acquiring air, and the inner ends of the two side frames 110 are respectively provided with a diversion processing device 30;
the diversion treatment equipment 30 comprises a diversion pipe 310, a diversion cavity 311 communicated with the acquisition assembly 20 is formed in the inner end of the diversion pipe 310, a diversion cavity 312 and a diversion cavity 313 communicated with the two ends of the diversion cavity 311 are formed in the two ends of the diversion pipe 310 respectively, a drainage port 314 is formed in one side, close to the diversion cavity 312, of the diversion pipe 310, the drainage port 314 is communicated with the diversion cavity 312 and is used for discharging the drained airflow, a detection box 320 is connected to the outer side, close to the middle position, of the diversion pipe 310, a flow regulating plate 330 is arranged in the inner end of the detection box 320, a monitoring cavity is formed in the inner end of the detection box 320, the monitoring equipment is arranged in the inner end of the monitoring cavity, the monitoring cavity is respectively communicated with the diversion cavity 312 and the diversion cavity 313 through position adjustment of the flow regulating plate 330, two ends of the flow regulating plate 330 respectively extend into the diversion cavity 312 and the inner end 313, a plurality of drainage ports 333 are formed in one end, extending into the diversion plate 330, and a reset assembly is connected between the detection boxes 320 in the middle area of the flow regulating plate 330;
when the drainage chamber 312 is communicated with the monitoring chamber, the drainage chamber 313 is in an isolated state with the monitoring chamber, the air flow guided by the inner end of the drainage chamber 312 guides the residual air flow at the inner end of the monitoring chamber to the inner end of the drainage port 314 and is discharged outwards, and when the drainage chamber 313 is communicated with the monitoring chamber, the drainage chamber 312 is in an isolated state with the monitoring chamber, and the air flow guided by the inner end of the drainage chamber 313 is discharged into the inner end of the monitoring chamber.
When the air particle content sampling and detecting device is particularly used, because air flow in air is required to be guided to a monitoring area in the air particle content sampling and detecting process, the air flow flowing through is detected through the arranged monitoring equipment, the traditional monitoring equipment has limited monitoring time because the air flow flowing through speed is too high, so that the monitoring air flow is difficult to fully monitor, even if the air flow is guided to a closed area for centralized monitoring, the monitoring mode adopts a plurality of groups of comparison modes, namely the air flow in the air is required to be collected for a plurality of times, the air flow in the closed air is difficult to be discharged in time, and the next group of collected air flow monitoring is influenced;
in order to cope with the above problems, during the monitoring process, firstly, the collecting assembly 20 is used for carrying out timing suction on the air flow in the air, and the collecting assembly 20 is communicated with the diversion chamber 311, when the air flow sucked by the collecting assembly 20 flows into the inner end of the diversion chamber 311, the air flow flows to the drainage chamber 312 and the inner end of the diversion chamber 313 along the inner end of the diversion chamber 311, when the air flow flowing through the inner end of the drainage chamber 312 is in contact with the flow regulating plate 330 at the inner end area of the drainage chamber 312, the thrust exerted by the drainage chamber 312 drives the flow regulating plate 330 to shift towards the position close to the drainage port 314, at this moment, the drainage chamber 312 is communicated with the inner end of the monitoring chamber, the air flow flowing along the inner end of the drainage chamber 312 drives the residual air flow at the inner end of the monitoring chamber to be discharged outwards along the inner end of the drainage port 314, during the process, the diversion chamber 313 and the monitoring chamber are in an isolated state until the air flow at the inner end of the drainage chamber 312 is completely discharged, the flow regulating plate 330 is reset, the diversion chamber 313 is communicated with the monitoring chamber, and the air flow flowing at the inner end of the diversion chamber 313 is guided into the inner end of the monitoring chamber for monitoring;
it should be noted that, the collection assemblies 20 are provided with a pair, and in the monitoring process, two collection assemblies 20 can be respectively installed at two sides of the door and window, and meanwhile, air flow collection is performed indoors and outdoors, and air flows in different areas are collected and monitored.
According to the invention, the position of the flow regulating plate 330 is adjusted to change the communication between the monitoring chamber and different areas, so that residual air flow in the monitoring area can be guided and removed in time, the influence of the residual air flow on secondary monitoring is prevented, and meanwhile, after new air flow is guided into the inner end of the monitoring chamber through the flow guiding chamber 313, the other end of the monitoring chamber is subjected to sealing treatment through the flow regulating plate 330, so that the air flow subjected to secondary monitoring can be fully contacted with monitoring equipment, the monitoring accuracy is improved, and the error is reduced.
In addition, the bottom ends of the two side frames 110 are respectively provided with an underframe 120, a connecting plate 122 is slidably connected between the top ends of the two underframes 120, limiting springs 123 are connected between the two ends of the connecting plate 122 and the inner ends of the two underframes 120 respectively, in the process of synchronous air flow collection indoors and outdoors, firstly, the whole device is moved to a windowsill, the two underframes 120 are pulled to promote the two underframes 120 to be mutually far away until a gap formed between the two underframes 120 coincides with the width of the windowsill, the two underframes 120 are respectively attached to two sides of the windowsill, the underframes 120 are loosened, the underframe 120 is maintained to be attached and fixed to the side surfaces of the windowsill through the elastic force exerted by the limiting springs 123, and at the moment, the two collection assemblies 20 are respectively located in the indoor and outdoor areas and timely collect the air flow in the indoor and outdoor areas.
Further, the collection assembly 20 includes a collection head 210, the bottom end of the collection head 210 is connected with a suction pump 220, the suction pump 220 is fixed on the side of the side frame 110, the bottom end of the suction pump 220 is connected with a drainage tube 230, the collection head 210 and the drainage tube 230 are kept in communication through the suction pump 220, the drainage tube 230 is kept in communication with the inner end of the diversion chamber 311, in the collection process, the suction pump 220 is started first, suction provided through the suction pump 220 is used for promoting negative pressure to be generated at the inner end of the collection head 210, then airflow in air is pumped into the inner end of the collection head 210 through an opening formed in the top end of the collection head 210, and is pumped into the inner end of the drainage tube 230 through the suction pump 220, and then is led into the diversion chamber 311 for later airflow monitoring.
Because the air current flowing through the inner end of the diversion chamber 311 enters the inner end process of the diversion chamber 313, the corner formed at the joint between the diversion chamber 311 and the air current can obstruct the air current, potential energy generated by the air current flowing is easily consumed, and still further, the baffle 315 is arranged at the position, close to the diversion chamber 313, of the inner end of the diversion chamber 311, the corner is formed between the diversion chamber 311 and the diversion chamber 313 through the baffle 315, an inclined plane is formed again, the air current is adaptively guided through the formed inclined plane, excessive potential energy is prevented from being consumed when the air current passes through the corner, and the air current transmission efficiency is influenced.
Specifically, the inner end of the split cavity 311 is provided with a split frame 316 near the middle position, the split frame 316 is located at the joint of the split cavity 311 and the drainage tube 230, the split frame 316 is of a triangular structure, when the air flow at the inner end of the drainage tube 230 flows into the joint of the drainage tube 230 and the split cavity 311, the split frame 316 is used for partitioning the joint of the drainage tube 230 and the split cavity 311, the middle area of the split frame 316 divides the joint, the air flow flowing through the joint of the split frame 316 flows along inclined planes formed on two sides of the split frame 316 respectively towards the inner ends of the drainage cavity 312 and the guide cavity 313, the air flow split work at the inner end of the split cavity 311 is realized, and the air flow flowing into the inner ends of the drainage cavity 312 and the guide cavity 313 is guaranteed to be in a balanced state.
In addition, reset assembly includes pivot 331, pivot 331 and transfer plate 330 and detection case 320 all keep rotating and connect, be connected with reset spring 332 between pivot 331 and the transfer plate 330 inner, after transfer plate 330 one end received the inner air current pressure of drainage cavity 312, transfer plate 330 will regard pivot 331 as axial drainage cavity 312 inner air current direction skew, and compress reset spring 332, drainage cavity 312 and monitoring cavity inner keep communicating this moment, and can guide the inner remaining air current of monitoring cavity inner to the discharge port 314 inner when the inner air current of drainage cavity 312 flows, and outwards discharge, until the inner air current consumption of drainage cavity 312 is depleted, the pressure that the inner air current of this moment drainage cavity 312 flows and produces can't overcome reset spring 332, reset spring 332 resets, drive transfer plate 330 and resume the principle, this moment drainage cavity 312 is in the isolation state with the monitoring cavity, diversion cavity 313 and monitoring cavity keep communicating, the inner air current that flows through diversion cavity 313 will flow the monitoring cavity inner, monitor the air current that the monitoring cavity 313 inner flows through the monitoring equipment of monitoring cavity inner, thereby can avoid new air current to gather and the gas current to gather the inner air current, its monitoring accuracy of monitoring cavity 313 is mixed influence before.
Further, the slot 334 is formed at one end of the flow regulating plate 330 near the flow guiding chamber 313, the flitch 335 is inserted at the inner end of the slot 334, the flitch 335 and the inner end of the slot 334 are connected with the elastic component, when the air flow at the inner end of the flow guiding chamber 312 is depleted, the flow regulating plate 330 is reset, at this moment, the position of the end of the flow regulating plate 330 near the flow guiding chamber 313 is shifted, a gap for air flow is formed between the flow guiding chamber 313 and the monitoring chamber, at this moment, the air flow flowing through the inner end of the flow guiding chamber 313 flows into the inner end of the monitoring chamber along the gap, meanwhile, the flow regulating plate 330 moves to a position far away from the gap, in order to ensure that the air flow at the inner end of the flow guiding chamber 313 can completely gush into the gap, the flitch 335 and the monitoring chamber are maintained to be discharged through a single channel through the flitch 335 and the elastic component, the tail end of the flitch 335 is enabled to be always attached to the inner wall of the flow guiding chamber 313, at this moment, the shielding surface formed by the flitch 335 guides the air flow to the inner end of the monitoring chamber, and the air flow guiding efficiency at the inner end of the flow guiding chamber 313 is improved.
Because the flow regulating plate 330 drives the flitch 335 to carry out the position adjustment in-process, the flitch 335 is under the effect of the elastic component, its end is contacted with the inner wall of the flow guiding chamber 313 all the time, friction resistance can be produced between the two, and this friction resistance is opposite with the flitch 335 moving direction all the time, prevent the flitch 335 position adjustment, still further, the flitch 335 end is the arc structure, design the flitch 335 end into the arc structure, make the flitch 335 end can hug closely at the inner wall of the flow guiding chamber 313, improve the sealing performance between flitch 335 and the inner wall of the flow guiding chamber 313, prevent the air current of the inner guide of the flow guiding chamber 313 from escaping, simultaneously can reduce the friction resistance that produces between flitch 335 and the inner wall of the flow guiding chamber 313, improve flitch 335 position adjustment efficiency.
Because the laminating area between the bottom frame 120 end and the windowsill side is too low when the bottom frame 120 end is attached to the windowsill side, unstable connection easily occurs, and the whole device is inclined, in addition, the bottom end of the bottom frame 120 is provided with the clamping plate 121, and an adhesive surface which is parallel to the windowsill side is formed through the arranged clamping plate 121, so that the connection stability between the bottom frame 120 and the windowsill side is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides an air particle content sampling detection device for atmospheric pollution control, includes fixture (10), fixture (10) include a pair of side bearer (110), two side bearer (110) side all is provided with collection subassembly (20) that are used for carrying out the timing to the air and gather, its characterized in that: the inner ends of the two side frames (110) are respectively provided with a diversion treatment device (30);
the diversion treatment equipment (30) comprises a diversion pipe (310), a diversion chamber (311) communicated with the collection assembly (20) is formed in the inner end of the diversion pipe (310), a drainage chamber (312) and a diversion chamber (313) communicated with the two ends of the diversion chamber (311) are formed in the two ends of the diversion pipe (310), a drainage port (314) is formed in one side, close to the drainage chamber (312), of the diversion pipe (310), a detection box (320) is connected to the outer side, close to the middle position, of the diversion pipe (310), a flow regulating plate (330) is arranged in the inner end of the detection box (320), a monitoring chamber is formed in the inner end of the detection box (320), a monitoring device is arranged in the inner end of the monitoring chamber, the monitoring chamber is respectively communicated with the drainage chamber (312) and the diversion chamber (313) through position adjustment of the flow regulating plate (330), the two ends of the flow regulating plate (330) respectively extend into the drainage chamber (312) and the inner end of the diversion chamber (313), the flow regulating plate (330) extends into the drainage chamber (312), a plurality of detection boxes (333) are formed in the middle area, and a plurality of detection boxes (320) are connected between the detection boxes.
When the drainage chamber (312) is communicated with the monitoring chamber, the drainage chamber (313) is in an isolated state with the monitoring chamber, the air flow guided by the inner end of the drainage chamber (312) guides the residual air flow of the inner end of the monitoring chamber to the inner end of the drainage port (314) and is discharged outwards, and when the drainage chamber (313) is communicated with the monitoring chamber, the drainage chamber (312) is in an isolated state with the monitoring chamber, and the air flow guided by the inner end of the drainage chamber (313) is discharged into the inner end of the monitoring chamber.
2. The air particle content sampling and detecting device for monitoring air pollution according to claim 1, wherein: the bottom ends of the two side frames (110) are respectively provided with an underframe (120), a connecting plate (122) is connected between the top ends of the two underframes (120) in a sliding manner, and limiting springs (123) are connected between the two ends of the connecting plate (122) and the inner ends of the two underframes (120) respectively.
3. The air particle content sampling and detecting device for monitoring air pollution according to claim 1, wherein: the collection subassembly (20) is including gathering head (210), gathering head (210) bottom is connected with aspiration pump (220), aspiration pump (220) are fixed side frame (110) side, aspiration pump (220) bottom is connected with drainage tube (230), gather head (210) with drainage tube (230) are passed through aspiration pump (220) and are kept the intercommunication, drainage tube (230) with shunt cavity (311) inner keep the intercommunication.
4. An air particle content sampling and detecting device for monitoring air pollution according to claim 3, wherein: a baffle plate (315) is arranged at the inner end of the diversion chamber (311) and close to the diversion chamber (313).
5. The air particle content sampling and detecting device for monitoring air pollution according to claim 4, wherein: the inner end of the flow distribution chamber (311) is provided with a flow distribution frame (316) close to the middle position, the flow distribution frame (316) is positioned at the joint of the flow distribution chamber (311) and the drainage tube (230), and the flow distribution frame (316) is of a triangular structure.
6. The air particle content sampling and detecting device for monitoring air pollution according to claim 1, wherein: the reset component comprises a rotating shaft (331), the rotating shaft (331) is in rotating connection with the flow regulating plate (330) and the detection box (320), and a reset spring (332) is connected between the rotating shaft (331) and the inner end of the flow regulating plate (330).
7. The air particle content sampling and detecting device for monitoring air pollution according to claim 1, wherein: the flow regulating plate (330) is provided with a slot (334) near one end of the flow guiding chamber (313), a flitch (335) is inserted into the inner end of the slot (334), and the flitch (335) and the inner end of the slot (334) are connected with an elastic component.
8. The air particle content sampling test device for air pollution monitoring according to claim 7, wherein: the tail end of the flitch (335) is of an arc-shaped structure.
9. The air particle content sampling and detecting device for monitoring air pollution according to claim 2, wherein: and clamping plates (121) are arranged at the bottom ends of the underframe (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310937205.1A CN116678691B (en) | 2023-07-28 | 2023-07-28 | Air particle content sampling detection device for monitoring atmospheric pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310937205.1A CN116678691B (en) | 2023-07-28 | 2023-07-28 | Air particle content sampling detection device for monitoring atmospheric pollution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116678691A true CN116678691A (en) | 2023-09-01 |
| CN116678691B CN116678691B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310937205.1A Active CN116678691B (en) | 2023-07-28 | 2023-07-28 | Air particle content sampling detection device for monitoring atmospheric pollution |
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