CN114909575B - Portable air quality monitoring device and monitoring method - Google Patents
Portable air quality monitoring device and monitoring method Download PDFInfo
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- CN114909575B CN114909575B CN202210422473.5A CN202210422473A CN114909575B CN 114909575 B CN114909575 B CN 114909575B CN 202210422473 A CN202210422473 A CN 202210422473A CN 114909575 B CN114909575 B CN 114909575B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 230000001360 synchronised effect Effects 0.000 claims abstract description 34
- 238000004804 winding Methods 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 24
- 238000005070 sampling Methods 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000001125 extrusion Methods 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000013618 particulate matter Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
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- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Food Science & Technology (AREA)
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- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a portable air quality monitoring device and a monitoring method, wherein the portable air quality monitoring device comprises a winding wheel, a first motor, a first synchronous belt, a supporting base, a carrying handle, a guide rail frame, a monitoring part, a guide control wheel and a lifting control rope, wherein the guide rail frame is symmetrically and fixedly arranged at the upper end of the supporting base, the winding wheel is rotatably arranged at two sides of the bottom of the guide rail frame, and the middle parts of the side end surfaces of the winding wheel are fixedly connected through fixing rods. The invention controls the winding and unwinding of the lifting control rope to be controlled by the first motor to finish the forward and backward rotation of the winding wheel, and the monitoring part can be controlled to slide and lift to a designated position on the guide rail frame, so that the monitoring part can be conveniently and portably controlled to lift to the designated height according to the height to be sampled in the use process of the device, and the device can be conveniently carried and moved by the carrying handle.
Description
Technical Field
The invention relates to the technical field of air quality monitoring, in particular to a portable air quality monitoring device and a portable air quality monitoring method.
Background
The air quality monitoring device is used for carrying out fixed-point, continuous or timed sampling, measurement and analysis on pollutants in the atmosphere and the air, and a plurality of air quality monitoring devices are generally arranged in an environment-friendly key city for monitoring the air, and the monitoring results are analyzed to obtain relevant data.
The air quality monitoring device that current used needs to intercept the extremely fine particulate matter in the air through air detection filter paper at the in-process that detects the extremely fine particulate matter of pollution to whether the extremely fine particulate matter content in the analysis air exceeds standard, the air quality monitoring device that current used controls the sampling in the in-process that uses inconvenient, and the in-process of sampling is slow, the volume that adopts at every turn is less, the sampling needs the quantity to take time and energy when more and need carry out the operation that iterates, and the in-process of sampling can not control the velocity of flow and the flow of air when sampling as required, therefore a device is urgently needed to solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide a portable air quality monitoring device and a portable air quality monitoring method, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a portable air quality monitoring devices and monitoring method, includes rolling wheel, first motor, first hold-in range, support base, transport handle, guide rail frame, monitoring portion, direction control wheel and lift control rope, guide rail frame symmetry fixed mounting is in the upper end of supporting the base, rolling wheel rotation is installed in the bottom both sides of guide rail frame, just pass through dead lever fixed connection between rolling wheel side end face middle part, first hold-in range rotation joint is between the rolling wheel that is located one side, first motor fixed mounting is in the side of supporting the base, just the front end of first motor and the outer terminal surface middle part fixed connection of rolling wheel that is located one side, the even symmetry fixed mounting of transport handle is in the outer terminal surface of bottom of guide rail frame, monitoring portion slidable mounting is between the guide rail frame, direction control wheel rotation is installed in the upper end inboard of guide rail frame, lift control rope rolling is on the rolling wheel, just the baffle front end and the monitoring portion both ends fixed connection of guide control wheel, the monitoring portion includes sliding support frame, guide flow control device and guide device, guide device is connected in the side of sliding control device at one side of the monitoring support frame.
Preferably, the monitoring mechanism comprises a mounting frame, a driving rod and a monitoring main body, wherein the middle part of the mounting frame is fixedly connected to the front end of the driving rod, the monitoring main body is provided with three parts, and the three parts are uniformly and fixedly arranged on the outer end face of the mounting frame.
Preferably, the monitoring main part includes mounting disc, second hold-in range, spacing dish, synchronous rotation wheel, driving gear, second motor, filter paper, mounting, card put the frame, the card is put spacing groove, a delivery cylinder, accuse flow board, regulation control gear, drive gear ring, control pinion rack and slip regulation fixture block, slip regulation fixture block evenly distributed slip joint is on the mounting disc, control pinion rack fixed connection is in the outer terminal surface middle part of slip regulation fixture block, driving gear evenly is rotating the edge of installing at the mounting disc, the front end at the driving gear that is located one side is fixed to the second motor, accuse flow board fixed connection is at the front end of slip regulation fixture block, just accuse flow board is located the middle part of mounting disc, regulation control gear evenly rotates and installs on the dish, just the transmission gear ring rotates and installs between regulation control gear and driving gear, just the transmission gear ring respectively with the regulation control gear and drive gear between the meshing connection, regulation control gear is connected with control gear plate meshing, the spacing dish is through fixed connection in the mounting disc, the drive gear is rotating the side of installing at the side of the synchronous rotation wheel, the synchronous rotation wheel is offered to the synchronous rotation wheel in the mounting disc, the synchronous rotation wheel is offered to the side of the synchronous rotation wheel, the synchronous rotation wheel is installed at one side of the synchronous rotation wheel in the mounting disc.
Preferably, the clamping frame is fixedly connected to the outer end face of the mounting disc, the clamping limiting groove is formed in the upper end of the clamping frame, the fixing pieces are symmetrically arranged on the clamping frame, and the filter paper is clamped and fixed in the clamping limiting groove.
Preferably, the mounting includes carrying handle, slip post, extrusion spring and spacing stripper plate, carrying handle fixed connection is in the upper end of slip post, spacing stripper plate fixed connection is in the bottom of slip post, the even fixed mounting of extrusion spring is in the up end edge of spacing stripper plate, slip post slip joint is put on the card and is put the frame, fixed connection between extrusion spring's upper end and the card is put the frame.
Preferably, the flow guiding control device comprises a collecting hopper, an exhaust fan, a guide cylinder, a supporting fixing frame and a third motor, wherein the exhaust fan is fixedly arranged at the upper end of the supporting fixing frame, the collecting hopper is fixedly connected with one end of the exhaust fan, the guide cylinder is fixedly connected with the other end of the exhaust fan, and the third motor is fixedly arranged at the middle part of the outer side end of the supporting fixing frame.
Preferably, the front end and the actuating lever fixed connection of third motor, the actuating lever rotates the joint at the middle part of supporting the mount, the bottom of supporting the mount and the middle part fixed connection of sliding support frame, sliding support frame slip joint is in the inside of guide rail frame, the front end and the both ends upper portion fixed connection of sliding support frame of lift control rope, the draft tube is the same with the pipe diameter of carrying the section of thick bamboo.
A monitoring method of a portable air quality monitoring device comprises the following specific steps:
step one: firstly, a first motor is started to drive a winding wheel to rotate, and the winding wheels synchronously rotate through a first synchronous belt, so that the rotating winding wheel can wind a lifting control rope, the winding lifting control rope can be lifted up to a designated height on a guide rail frame through the baffle guide of a guide control wheel, and air at the designated height can be sampled and monitored;
step two: the filter paper is fixedly clamped and placed in the clamping limiting grooves formed in the three clamping frames arranged in the three monitoring main bodies respectively, so that the third motor is started to drive the driving rod to rotate in the monitoring and sampling process, the rotating driving rod can drive the mounting frame to rotate, the conveying cylinders in the three monitoring main bodies are sequentially aligned with the guide cylinders in the monitoring and sampling process, so that air is filtered and intercepted from the filter paper, particles in the air are remained in the filter paper to realize sampling, and three samples can be conveniently and automatically completed at one time;
step three: in the sampling process, the exhaust fan is started to guide the air through the collecting hopper, so that the air can be rapidly extracted by the exhaust fan from one side of the collecting hopper, and the air can be conveyed through the guide cylinder and the conveying cylinder and is contacted with the filter paper from the middle part of the mounting disc, so that the filter paper can be utilized to conveniently filter the air, and particles in the air can be intercepted on the filter paper;
step four: the second motor is started to drive the driving gear to rotate positively and negatively in the process of monitoring and sampling, the driving gear can drive the driving gear ring to rotate positively and negatively, the driving gear ring can drive the adjusting control gear to rotate positively and negatively, the adjusting control gear can control the sliding adjusting clamping block to slide along the inner telescopic part of the mounting disc through the control toothed plate, so that the flow control plate can slide in the mounting disc, the blocking degree of the flow control plate to the middle part of the mounting disc can be adjusted and controlled, and the flow speed and the flow rate of air flowing through filter paper can be controlled.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention controls the winding and unwinding of the lifting control rope to be controlled by the first motor to finish the forward and backward rotation of the winding wheel, and the monitoring part can be controlled to slide and rise to a designated position on the guide rail frame, so that the monitoring part can be conveniently and portably controlled to rise to the designated height according to the height to be sampled in the use process of the device, and the device can be conveniently carried and moved by the carrying handle;
2. the three monitoring bodies are arranged on the monitoring mechanism, three samples can be taken out through the three monitoring bodies at one time, the sampling efficiency is greatly improved, the flow speed and the flow rate of the air in sampling can be conveniently and portably controlled by controlling each sliding adjusting clamping block and the flow control plate in the monitoring bodies to synchronously slide inwards and outwards along the mounting plate, and the filter paper can be conveniently taken down after sampling due to the fact that the fixing piece is arranged, so that the filter paper is stable and cannot be displaced and falls in the sampling process;
3. according to the invention, the diversion control device is arranged, so that the sampling efficiency can be greatly improved, the time spent in the sampling process is saved, the efficiency of air contact with filter paper and filtration is improved, and the sampling time is greatly shortened.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a schematic view of a track frame according to the present invention;
FIG. 3 is a schematic diagram of a monitor structure according to the present invention;
FIG. 4 is a side view of a monitor portion of the present invention;
FIG. 5 is a schematic diagram of a monitoring mechanism according to the present invention;
FIG. 6 is a schematic view of a monitoring body structure according to the present invention;
FIG. 7 is a schematic diagram of a card frame structure of the present invention;
FIG. 8 is a side view of a monitor body according to the present invention;
FIG. 9 is a schematic view of the internal structure of the monitor main body according to the present invention;
FIG. 10 is a schematic view of a fastener according to the present invention;
fig. 11 is a schematic structural diagram of a diversion control apparatus according to the present invention.
In the figure: the device comprises a 1-winding wheel, a 2-first motor, a 3-first synchronous belt, a 4-supporting base, a 5-carrying handle, a 6-guide rail frame, a 7-monitoring part, an 8-guiding control wheel, a 9-lifting control rope, a 10-sliding support frame, a 11-guiding control device, a 12-monitoring mechanism, a 13-mounting frame, a 14-driving rod, a 15-monitoring main body, a 16-mounting disc, a 17-second synchronous belt, a 18-limiting disc, a 19-synchronous rotating wheel, a 20-driving gear, a 21-second motor, a 22-filter paper, a 23-fixing piece, a 24-clamping frame, a 25-clamping limiting groove, a 27-conveying cylinder, a 28-flow control plate, a 29-adjusting control gear, a 30-transmission gear ring, a 31-controlling toothed plate, a 32-sliding adjusting clamping block, a 33-lifting handle, a 34-sliding column, a 35-extruding spring, a 36-limiting plate, a 37-collecting hopper, a 38-air exhauster, a 39-guiding cylinder, a 40-supporting fixing frame and a 41-third motor.
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. 1-4, an embodiment of the present invention is provided: a portable air quality monitoring device and a monitoring method, comprises a winding wheel 1, a first motor 2, a first synchronous belt 3, a supporting base 4, a carrying handle 5, a guide rail frame 6, a monitoring part 7, a guide control wheel 8 and a lifting control rope 9, wherein the guide rail frame 6 is symmetrically and fixedly arranged at the upper end of the supporting base 4, the winding wheel 1 is rotatably arranged at the two sides of the bottom of the guide rail frame 6, the middle parts of the side end surfaces of the winding wheel 1 are fixedly connected through a fixed rod, the first synchronous belt 3 is rotatably clamped between the winding wheels 1 positioned at one side, the first motor 2 is fixedly arranged at the side end of the supporting base 4, the front end of the first motor 2 is fixedly connected with the middle part of the outer end surface of the winding wheel 1 positioned at one side, the carrying handle 5 is uniformly and fixedly arranged at the outer end surface of the bottom of the guide rail frame 6, the monitoring part 7 is slidably arranged between the guide rail frames 6, the guide control wheel 8 is rotatably arranged at the inner side of the upper end of the guide rail frame 6, the lifting control rope 9 is wound on the winding wheel 1, the winding wheel 1 is fixedly connected with two ends of the monitoring part 7 through the front end of the baffle of the guide control wheel 8, the monitoring part 7 comprises a sliding support frame 10, a guide control device 11 and a monitoring mechanism 12, the guide control device 11 is fixedly connected at the upper end of the middle part of the sliding support frame 10, the monitoring mechanism 12 is rotatably arranged at one side of the guide control device 11, the winding and unwinding of the lifting control rope 9 are completed by controlling the forward and backward rotation of the winding wheel 1 through the first motor 2, the monitoring part 7 can be controlled to slide and rise to a designated position on the guide rail frame 6, so that the height which can be sampled according to the requirement in the use process of the device is convenient, the portable control monitoring part 7 is lifted to the designated height, and the carrying handle 5 can facilitate the carrying movement of the device.
Referring to fig. 5, the monitoring mechanism 12 includes a mounting frame 13, a driving rod 14 and a monitoring main body 15, wherein the middle part of the mounting frame 13 is fixedly connected to the front end of the driving rod 14, three monitoring main bodies 15 are provided, and the three monitoring main bodies 15 are uniformly and fixedly mounted on the outer end surface of the mounting frame 13.
Referring to fig. 6 to 9, the monitoring body 15 includes a mounting plate 16, a second synchronous belt 17, a limit plate 18, a synchronous rotating wheel 19, a driving gear 20, a second motor 21, a filter paper 22, a fixing piece 23, a clamping frame 24, a clamping limit groove 25, a conveying cylinder 27, a flow control plate 28, an adjusting control gear 29, a transmission gear ring 30, a control toothed plate 31 and a sliding adjusting clamping block 32, wherein the sliding adjusting clamping block 32 is uniformly distributed and slidably clamped on the mounting plate 16, the control toothed plate 31 is fixedly connected to the middle part of the outer end surface of the sliding adjusting clamping block 32, the driving gear 20 is uniformly rotatably mounted at the edge of the mounting plate 16, the second motor 21 is fixed at the front end of the driving gear 20 positioned at one side, the flow control plate 28 is fixedly connected to the front end of the sliding adjusting clamping block 32, the flow control plate 28 is positioned in the middle part of the mounting plate 16, the adjusting control gear 29 is uniformly rotatably mounted on the disk 16, the transmission gear ring 30 is rotatably arranged between the adjusting control gear 29 and the driving gear 20, the transmission gear ring 30 is respectively connected with the adjusting control gear 29 and the driving gear 20 in a meshed manner, the adjusting control gear 29 is connected with the control toothed plate 31 in a meshed manner, the limiting disc 18 is fixedly connected to the outer side of the mounting disc 16 through bolts, one end of the driving gear 20 is fixedly connected with the synchronous rotating wheel 19, the synchronous rotating wheel 19 is rotatably arranged at the upper edge of the limiting disc 18, the second synchronous belt 17 is rotatably clamped in a clamping groove formed in the synchronous rotating wheel 19 in a staggered manner, the conveying cylinder 27 is fixedly arranged in the middle of the limiting disc 18, one side of the transmission gear ring 30, deviating from the mounting disc 16, is rotatably clamped in a limiting groove formed in the inner side of the limiting disc 18, the driving gear 20 can be driven to rotate positively and negatively by starting the second motor 21, the rotating driving gear 20 can be driven to rotate positively and negatively, the rotating transmission gear ring 30 can drive the adjustment control gear 29 to rotate positively and negatively, the rotating adjustment control gear 29 can control the sliding adjustment clamping block 32 to slide in a telescopic manner along the inside of the mounting plate 16 through the control toothed plate 31, so that the flow control plate 28 can slide in the inside of the mounting plate 16, the blocking degree of the flow control plate 28 to the middle part of the mounting plate 16 can be adjusted and controlled, the flow speed and the flow rate of air flowing through the middle part of the mounting plate 16 and the filter paper 22 can be controlled, and each driving gear 20 can synchronously and stably rotate through the second synchronous belt 17 and the synchronous rotating wheel 19, so that each rotating driving gear 20 can stably drive the transmission gear ring 30 to stably rotate.
Referring to fig. 6-7, a clamping frame 24 is fixedly connected to an outer end surface of the mounting disc 16, a clamping limit groove 25 is formed in an upper end of the clamping frame 24, fixing pieces 23 are symmetrically arranged on the clamping frame 24, and filter paper 22 is clamped and fixed in the clamping limit groove 25.
Referring to fig. 10, the fixing member 23 includes a pull handle 33, a sliding column 34, an extrusion spring 35 and a limiting extrusion plate 36, where the pull handle 33 is fixedly connected to the upper end of the sliding column 34, the limiting extrusion plate 36 is fixedly connected to the bottom end of the sliding column 34, the extrusion spring 35 is uniformly and fixedly installed at the edge of the upper end surface of the limiting extrusion plate 36, the sliding column 34 is slidably clamped on the clamping frame 24, the upper end of the extrusion spring 35 is fixedly connected to the clamping frame 24, and the sliding column 34 is pulled outwards by the pull handle 33 to compress the extrusion spring 35 at this time so that the sliding column 34 slides along the clamping frame 24, so that the limiting extrusion plate 36 can not press and limit the filter paper 22 in the clamping limiting groove 25, and the sampled filter paper 22 can be conveniently removed from the device.
Referring to fig. 11, the flow guiding control device 11 includes a collecting hopper 37, an exhaust fan 38, a guide cylinder 39, a supporting and fixing frame 40 and a third motor 41, the exhaust fan 38 is fixedly installed at the upper end of the supporting and fixing frame 40, the collecting hopper 37 is fixedly connected to one end of the exhaust fan 38, the guide cylinder 39 is fixedly connected to the other end of the exhaust fan 38, the third motor 41 is fixedly installed at the middle part of the outer side end of the supporting and fixing frame 40, and the exhaust fan 38 is started to guide air through the collecting hopper 37 so that the air can be quickly pumped by the exhaust fan 38 from one side of the collecting hopper 37, is conveyed by the middle part of the mounting disc 16 through contact with the filter paper 22, and thus the filter paper 22 can be used for conveniently completing filtration of the air.
The front end of the third motor 41 is fixedly connected with the driving rod 14, the driving rod 14 is rotationally clamped in the middle of the supporting fixing frame 40, the bottom end of the supporting fixing frame 40 is fixedly connected with the middle of the sliding support frame 10, the sliding support frame 10 is slidably clamped in the guide rail frame 6, the front end of the lifting control rope 9 is fixedly connected with the upper parts of the two ends of the sliding support frame 10, the guide cylinder 39 is the same as the pipe diameter of the conveying cylinder 27, and the sucked air can be conveyed into the conveying cylinder 27 from the guide cylinder 39.
A monitoring method of a portable air quality monitoring device comprises the following specific steps:
step one: firstly, a first motor 2 is started to drive a winding wheel 1 to rotate, and the winding wheels 1 synchronously rotate through a first synchronous belt 3, so that the rotating winding wheel 1 can wind a lifting control rope 9, the winding lifting control rope 9 can be lifted up to the appointed height on a guide rail frame 6 through the baffle guide of a guide control wheel 8, and the air at the appointed height can be sampled and monitored;
step two: the filter paper 22 is respectively and fixedly clamped in the clamping limiting grooves 25 formed in the three clamping frames 24 arranged in the three monitoring main bodies 15, so that the driving rod 14 is driven to rotate by starting the third motor 41 in the monitoring and sampling process, the rotating driving rod 14 can drive the mounting frame 13 to rotate, the conveying cylinders 27 in the three monitoring main bodies 15 are sequentially aligned with the guide cylinders 39 in the monitoring and sampling process, so that air is filtered and intercepted from the filter paper 22, particles in the air are remained in the filter paper 22 to realize sampling, and three samples can be conveniently and automatically completed at one time;
step three: in the sampling process, the exhaust fan 38 is started to guide air through the collecting hopper 37, so that the air can be rapidly extracted by the exhaust fan 38 from one side of the collecting hopper 37, and conveyed through the guide cylinder 39 and the conveying cylinder 27 from the middle part of the mounting disc 16 to contact with the filter paper 22, thereby conveniently completing the filtration of the air by using the filter paper 22, and enabling particles in the air to be intercepted on the filter paper 22;
step four: in the process of monitoring and sampling, the second motor 21 can drive the driving gear 20 to rotate positively and negatively, the rotating driving gear 20 can drive the transmission gear ring 30 to rotate positively and negatively, the rotating transmission gear ring 30 can drive the adjusting control gear 29 to rotate positively and negatively, the rotating adjusting control gear 29 can control the sliding adjusting clamping block 32 to slide along the inner telescopic direction of the mounting disc 16 through the control toothed plate 31, so that the flow control plate 28 can slide in the mounting disc 16, the blocking degree of the flow control plate 28 to the middle part of the mounting disc 16 can be adjusted and controlled, and the flow speed and the flow rate of air flowing through the filter paper 22 can be controlled.
Working principle: firstly, the first motor 2 is started to drive the winding wheel 1 to rotate, the winding wheels 1 synchronously rotate through the first synchronous belt 3, so that the rotating winding wheel 1 can wind the lifting control rope 9, the winding lifting control rope 9 can be guided by the baffle of the guiding control wheel 8 to be lifted to the appointed height on the guide rail frame 6, the air with the appointed height can be sampled and monitored, the filter paper 22 is respectively clamped and placed in the clamping limiting grooves 25 arranged on the three clamping frames 24 arranged in the three monitoring main bodies 15, the driving rod 14 can be driven to rotate through the third motor 41 in the monitoring sampling process, the rotating driving rod 14 can drive the mounting frame 13 to rotate, the conveying drums 27 in the three monitoring main bodies 15 are sequentially aligned with the guide drums 39 in the monitoring sampling process, the air is conveyed on the filter paper 22 to be filtered and intercepted, the air particles remain in the filter paper 22 to realize sampling, three samples can be conveniently and automatically taken at one time, the sampling efficiency is greatly improved, the suction fan 38 is started in the sampling process, the air can be rapidly pumped by the suction fan 38 from one side of the collection hopper 37 through the flow guide of the collection hopper 37, the air can be conveniently filtered by the filter paper 22 through the middle part of the installation disc 16 and contacting with the filter paper 22, the air particles can be intercepted on the filter paper 22, the second motor 21 is started in the monitoring and sampling process to drive the driving gear 20 to rotate positively and negatively, the rotating driving gear 20 can drive the transmission gear ring 30 to rotate positively and negatively, the rotating transmission gear ring 30 can drive the adjusting control gear 29 to rotate positively and negatively, the rotating adjusting control gear 29 can control the sliding adjusting clamping block 32 to stretch and slide along the inside of the mounting disc 16 by controlling the toothed plate 31, so that the flow control plate 28 can slide in the inside of the mounting disc 16, the blocking degree of the flow control plate 28 to the middle part of the mounting disc 16 can be adjusted and controlled, so that the flow rate and the flow rate of air flowing through the middle part of the mounting disc 16 and the filter paper 22 can be controlled, each driving gear 20 can synchronously and stably rotate by the second synchronous belt 17 and the synchronous rotating wheel 19, each rotating driving gear 20 can stably drive the transmission gear ring 30 to stably rotate, the monitoring part 7 integrally descends to a designated height after sampling is finished, the sliding column 34 slides along the clamping frame 24 by pulling the sliding column 34 outwards by pulling the sliding column 34 through the compression spring 35 at the moment, therefore the limiting plate 36 can not press and limit the filter paper 22 in the clamping limiting groove 25, the filter paper 22 after sampling can be conveniently taken down from the device, the quality of air can be analyzed and researched by analyzing and researching the quantity and the type of the particulate matters which are filtered and intercepted on the filter paper 22, the monitoring part 7 can be controlled to slide and rise to a designated position on the guide rail frame 6 by controlling the winding wheel 1 to rotate forwards and backwards through the first motor 2 in the use process of the device, so that the monitoring part 7 can be conveniently and portably controlled to rise to the designated height according to the height which can be sampled in the use process of the device, the carrying handle 5 can be used for conveniently carrying and moving the device, the monitoring mechanism 12 is provided with three monitoring bodies 15, the three samples can be taken through the three monitoring bodies 15 at one time, the sampling efficiency is greatly improved, and through each slip in the control monitoring main part 15 regulation fixture block 32 and accuse flow board 28 along the synchronous inwards outside slip of mounting disc 16 can make things convenient for portable control sample time flow rate and flow when the filter paper 22 filters to through setting up the setting 23 and make the in-process of filter paper 22 sample firm can not shift and drop, take off filter paper 22 that again can be convenient after the sample, through setting up water conservancy diversion controlling means 11, the efficiency of improvement sample that can be great has saved the time spent in the sampling process, can make air and filter paper 22 contact and filterable efficiency improve, the time of sampling is shortened greatly.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a portable air quality monitoring device, includes rolling wheel (1), first motor (2), first hold-in range (3), support base (4), transport handle (5), guide rail frame (6), monitoring part (7), direction control wheel (8) and lift control rope (9), its characterized in that: the guide rail frame (6) is symmetrically and fixedly arranged at the upper end of the supporting base (4), the rolling wheels (1) are rotatably arranged at the two sides of the bottom of the guide rail frame (6), the middle parts of the side end surfaces of the rolling wheels (1) are fixedly connected through a fixing rod, the first synchronous belt (3) is rotatably clamped between the rolling wheels (1) positioned at one side, the first motor (2) is fixedly arranged at the side end of the supporting base (4), the front end of the first motor (2) is fixedly connected with the middle part of the outer end surface of the rolling wheel (1) positioned at one side, the carrying handle (5) is uniformly and symmetrically and fixedly arranged at the outer end surface of the bottom of the guide rail frame (6), the monitoring part (7) is slidably arranged between the guide rail frame (6), the guide control wheel (8) is rotatably arranged at the inner side of the upper end of the guide rail frame (6), the lifting control rope (9) is rolled on the rolling wheels (1), the rolling wheels (1) are fixedly connected with the guide support frame (11) through the front end of the guide control wheel (8) at one end of the guide rail (7), the guide frame (11) is fixedly connected with the guide frame (11), the guide frame (11) at one side of the guide frame (11) and the guide frame (11), the monitoring mechanism (12) comprises a mounting frame (13), a driving rod (14) and a monitoring main body (15), wherein the middle part of the mounting frame (13) is fixedly connected to the front end of the driving rod (14), the monitoring main body (15) is provided with three monitoring main bodies (15) which are uniformly and fixedly arranged on the outer end face of the mounting frame (13), the monitoring main body (15) comprises a mounting disc (16), a second synchronous belt (17), a limiting disc (18), a synchronous rotating wheel (19), a driving gear (20), a second motor (21), filter paper (22), a fixing piece (23), a clamping frame (24), a clamping limiting groove (25), a conveying cylinder (27), a flow control plate (28), an adjusting gear (29), a transmission gear ring (30), a control gear plate (31) and a sliding adjusting clamping block (32), the sliding adjusting clamping blocks (32) are uniformly distributed and clamped on the outer end face of the mounting disc (16), the driving gear (20) is uniformly arranged on the edge of the driving gear (16) which is uniformly arranged, the driving gear (20) is fixedly connected to the front end of the driving gear (20) which is fixedly arranged at the front end of the driving gear (28), and accuse flow board (28) are located the middle part of mounting disc (16), adjust control gear (29) evenly rotate and install on dish (16), just transmission gear ring (30) rotate and install between adjustment control gear (29) and drive gear (20), just transmission gear ring (30) respectively with adjust between control gear (29) and drive gear (20) meshing be connected, adjust control gear (29) and control pinion rack (31) meshing be connected, spacing dish (18) pass through bolt fixed connection in the outside of mounting disc (16), the one end fixedly connected with synchronous rotation wheel (19) of drive gear (20), just synchronous rotation wheel (19) rotate and install in spacing dish (18) upper edge department, the crisscross rotation joint of second hold-in gear (17) is in the draw-in groove of seting up in synchronous rotation wheel (19), conveying section of thick bamboo (27) fixed mounting is in the middle part of spacing dish (18), transmission gear ring (30) deviate from one side rotation joint in spacing dish (18) of mounting disc (16).
2. A portable air quality monitoring device according to claim 1, wherein: the clamping frame (24) is fixedly connected to the outer end face of the mounting disc (16), the clamping limit groove (25) is formed in the upper end of the clamping frame (24), the fixing pieces (23) are symmetrically arranged on the clamping frame (24), and the filter paper (22) is clamped and fixed in the clamping limit groove (25).
3. A portable air quality monitoring device according to claim 2, wherein: the fixing piece (23) comprises a lifting handle (33), a sliding column (34), an extrusion spring (35) and a limiting extrusion plate (36), wherein the lifting handle (33) is fixedly connected to the upper end of the sliding column (34), the limiting extrusion plate (36) is fixedly connected to the bottom end of the sliding column (34), the extrusion spring (35) is uniformly and fixedly installed at the edge of the upper end face of the limiting extrusion plate (36), the sliding column (34) is in sliding clamping connection with the clamping frame (24), and the upper end of the extrusion spring (35) is fixedly connected with the clamping frame (24).
4. A portable air quality monitoring device according to claim 3, wherein: the flow guide control device (11) comprises a collecting hopper (37), an exhaust fan (38), a flow guide cylinder (39), a supporting fixing frame (40) and a third motor (41), wherein the exhaust fan (38) is fixedly arranged at the upper end of the supporting fixing frame (40), the collecting hopper (37) is fixedly connected with one end of the exhaust fan (38), the flow guide cylinder (39) is fixedly connected with the other end of the exhaust fan (38), and the third motor (41) is fixedly arranged at the middle part of the outer side end of the supporting fixing frame (40).
5. The portable air quality monitoring device of claim 4, wherein: the front end of third motor (41) and actuating lever (14) fixed connection, actuating lever (14) rotate the joint at the middle part of supporting mount (40), the bottom of supporting mount (40) and the middle part fixed connection of sliding support frame (10), sliding support frame (10) slip joint is in the inside of guide rail frame (6), the front end of lift control rope (9) and the both ends upper portion fixed connection of sliding support frame (10), guide cylinder (39) are the same with the pipe diameter of transport section of thick bamboo (27).
6. A method for monitoring a portable air quality monitoring device, adapted to a portable air quality monitoring device according to any one of claims 1-5, characterized in that: the method comprises the following specific steps:
step one: firstly, a first motor (2) is started to drive a winding wheel (1) to rotate, and the winding wheels (1) synchronously rotate through a first synchronous belt (3), so that the rotating winding wheel (1) can wind a lifting control rope (9), the wound lifting control rope (9) can be guided by a baffle of a guide control wheel (8) to be pulled backwards, so that a monitoring part (7) is lifted to a specified height on a guide rail frame (6), and air at the specified height can be sampled and monitored;
step two: the filter paper (22) is fixedly clamped and placed in the clamping and placing limiting grooves (25) formed in the three clamping and placing frames (24) arranged in the three monitoring main bodies (15) respectively, so that the driving rod (14) is driven to rotate by starting the third motor (41) in the process of monitoring and sampling, the rotating driving rod (14) can drive the mounting rack (13) to rotate, the conveying cylinders (27) in the three monitoring main bodies (15) are sequentially aligned with the guide cylinders (39) in the process of monitoring and sampling, so that air is filtered and intercepted on the filter paper (22), particles in the air are remained on the filter paper (22) to realize sampling, and three samples can be conveniently and automatically completed at one time;
step three: in the sampling process, the exhaust fan (38) is started to guide air through the collecting hopper (37), so that the air can be rapidly extracted by the exhaust fan (38) from one side of the collecting hopper (37), and the air can be conveyed through the guide cylinder (39) and the conveying cylinder (27) from the middle part of the mounting disc (16) to be contacted with the filter paper (22), thereby conveniently completing the filtration of the air by using the filter paper (22), and enabling particles in the air to be intercepted on the filter paper (22);
step four: in the process of monitoring and sampling, the second motor (21) can drive the driving gear (20) to rotate positively and negatively, the rotating driving gear (20) can drive the transmission gear ring (30) to rotate positively and negatively, the rotating transmission gear ring (30) can drive the adjusting control gear (29) to rotate positively and negatively, the rotating adjusting control gear (29) can control the sliding adjusting clamping block (32) to slide in a telescopic manner along the inner part of the mounting disc (16) through the control toothed plate (31), so that the flow control plate (28) can slide in the mounting disc (16), the degree of blocking the middle part of the mounting disc (16) by the flow control plate (28) can be adjusted and controlled, and the flow speed and flow rate of air flowing through the filter paper (22) can be controlled.
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| CN115420850B (en) * | 2022-08-18 | 2023-11-28 | 北京江博环境科技有限公司 | Air quality monitoring device and monitoring method |
| CN116678691B (en) * | 2023-07-28 | 2024-01-09 | 江苏富泰净化科技股份有限公司 | Air particle content sampling detection device for monitoring atmospheric pollution |
| CN118067464B (en) * | 2024-02-06 | 2024-09-10 | 盐城市汇坤新材料科技有限公司 | Pyrolysis gas component detection equipment and process for molding material for casting |
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Effective date of registration: 20231024 Address after: Room 301-308, Incubation Building, Xinjiang Biomedical Innovation and Entrepreneurship Park, No. 181 Xicai Road, High tech Zone (New City), Urumqi, Xinjiang Uygur Autonomous Region, 830000 Applicant after: Xinjiang Tiandijian Professional Environment Detection and Evaluation Co.,Ltd. Address before: 610093 No. 898, Baicao Road, High-tech Zone, Chengdu City, Sichuan Province Applicant before: Chen Zhiyuan |
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