CN113188856A - Air pollution detection device and detection method thereof - Google Patents
Air pollution detection device and detection method thereof Download PDFInfo
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- CN113188856A CN113188856A CN202110321668.6A CN202110321668A CN113188856A CN 113188856 A CN113188856 A CN 113188856A CN 202110321668 A CN202110321668 A CN 202110321668A CN 113188856 A CN113188856 A CN 113188856A
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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
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
Abstract
The invention discloses an air pollution detection device and a detection method thereof, and belongs to the technical field of air quality detection. The invention discloses an air pollution detection device, which absorbs air through an air inlet and enters the detection device for detection, wherein a rotating platform is arranged below the air inlet, and the rotating platform drives the air inlet to rotate so as to absorb air in different directions, so that the data is more accurate; the air inlet is internally provided with a detection chamber which can realize synchronous detection of one, two or more pollutants, the detection chamber is connected with the controller, the controller uniformly issues commands, and meanwhile, the detection result is synchronously displayed by the controller to confirm the content of the air pollutants; and to the air of high position, can promote the measuring ruler through the telescopic link and rise, can confirm by the measuring ruler to different height positions, guarantee whole empty gas detection's data accuracy and perfection, conveniently formulate corresponding solution.
Description
Technical Field
The invention discloses an air pollution detection device, and particularly relates to an air pollution detection device and a detection method thereof.
Background
Indoor air quality detection is a new industry; the method is used for analyzing and testing the indoor air pollutant standard exceeding conditions caused by indoor decoration and furniture addition, and providing a detection report with national approval (CMA) and legal effectiveness according to a detection result value.
Indoor air detection can judge the pollution conditions of various indoor indexes according to indoor air quality standards, and carry out targeted prevention and control measures.
At present, the buying of a house is an just-needed behavior of a current young person, the house decoration is common, one or more decoration coatings can be used in the decoration process, the interior ingredients of the irregular decoration coatings are different, the generated pollutants are different, according to the statistics of national environmental departments, the main air pollutants caused by the decoration comprise benzene, carbon monoxide, ammonia gas, radon gas, formaldehyde and the like, and a plurality of harmful substances to human bodies are left in the air, so that endless risks are caused; when the householder carries out air detection, the detection device who uses only can detect one kind or two kinds of harmful substance in the air, and it is incomplete to detect the function, often can be because air detection is not perfect enough, and the solution that makes is perfect inadequately, and the tragedy that brings all takes place every day, has very big influence to human health.
Because the content of various pollutants in the air is different, and the weight of different pollutants is different relative to the air quality, in this case, some pollutants float at a higher position in the room, and some pollutants are heavier than the air and can float at a relatively lower position, and the air detection device used at present only carries out sampling investigation aiming at the air at a plane position in the detection process, and the problem of insufficient detection appears in the air at the higher position, and this situation causes great influence to the objectivity and accuracy of the air detection in the whole room.
Disclosure of Invention
The purpose of the invention is as follows: an air pollution detection device and a detection method thereof are provided to solve the above problems in the prior art.
The technical scheme is as follows: the utility model provides an air pollution detection device, includes the detection device body, sets up the inside controller that can collect the air, carry out the accurate contrast of gaseous pollutant content and store the convenient follow-up investigation once more of contrast data with the detection standard of detection device body, with the evacuation unit that the controller links together.
In a further example, the vacuumizing unit comprises a pump cavity arranged inside the detection device body, and a rotating piece which is attached to the inner wall of the pump cavity and is used for circularly discharging air inside the pump cavity;
the rotor is electrically connected with a first control motor, and comprises a connecting port arranged at the end part of the first control motor, a first spring fixedly connected with the connecting port, and an anti-skidding end plate elastically connected with the first spring;
the rotor is including setting up first rotor inside the pump chamber, with first rotor rotates the second rotor that links together, first rotor is fixed position for the pump chamber position relatively, the position control can be realized for first rotor to the second rotor, nevertheless the second rotor with first rotor can't form the coincidence.
In a further example, the inside of the pump cavity is set to be a closed space, one side of the top of the pump cavity is fixedly connected with an air inlet, the end part of the air inlet is clamped with an air inlet pipe, a measuring scale is arranged at the bottom of the air inlet to meet the requirements of sampling and collecting air with different heights and objectively analyze the air quality, the air inlet pipe is set to be a telescopic structure, and when the air inlet rises to collect air, the air inlet can synchronously collect the air;
the air pump is characterized in that an air outlet is formed in the other side of the top of the pump cavity, an air exhaust pipe is arranged between the air outlet and the pump cavity, the size of the air exhaust pipe is compressed, and after the controller detects air, the air exhaust port exhausts redundant air out of the pump cavity.
In a further example, the air inlet is internally provided with a minimum of 5 detection chambers, the 5 detection chambers are connected with the controller in series, and an independent air supply channel is arranged between the detection chambers and connected with the air inlet pipe.
In a further example, a rotating table is arranged between the air inlet and the detection device body, a rotating device is arranged inside the rotating table, and the rotating device is electrically connected with the controller;
the rotating device comprises a rotating component fixedly connected with the air inlet and a stirring component which is arranged in the same direction with the rotating component and used for receiving a rotating command issued by the controller, controlling the rotating angle and stirring the rotating component.
In a further example, the rotating assembly comprises a rotating shaft clamped with the air inlet, and a clamping plate surrounding the periphery of the rotating shaft;
the poking assembly comprises a second control motor, a transmission shaft fixedly connected with the second control motor, sliding plates uniformly distributed outside the transmission shaft, and poking pieces arranged between the sliding plates;
the transmission shaft is controlled to rotate through the second control motor, and the second control motor is driven to rotate in the reverse direction according to the rotation direction issued by the controller;
the surface of the clamping plate is provided with an arc-shaped plate, the sliding plate is tangent to the surface of the clamping plate, the surface of the shifting sheet is provided with a protrusion, and the shifting sheet is intersected with the gap between the clamping plates to realize the function of shifting the rotating assembly, so that the air inlet can be adjusted in angle, and the multidirectional air collection work can be met.
In a further example, a telescopic device is fixedly connected to the bottom of the air inlet, so that the function of collecting air at a high position is realized, and the air inlet and the measuring scale are synchronously telescopic;
the telescopic device comprises a supporting mechanism arranged on the upper surface of the pump cavity and a telescopic rod fixedly arranged with the supporting mechanism, wherein a groove is formed in the surface of the supporting mechanism, the telescopic rod is matched with the end part of the telescopic rod in size, the position of the telescopic rod can be fixed through the groove, and the telescopic device is used for limiting the position in the telescopic process and playing a good metering role.
In a further example, the supporting mechanism comprises a second supporting plate screwed with the pump cavity, a second spring fixedly connected with the second supporting plate, and a first supporting plate hung with the second spring, wherein a groove is formed in the surface of the first supporting plate and is matched with the width dimension of the telescopic rod;
simultaneously during the telescopic link upward movement, can pass through supporting mechanism carries out fine cushioning effect, when the telescopic link is retrieved downwards, through supporting mechanism carries out the falling speed and slows down, reduces the falling pressure that the measuring ruler received.
In a further example, the detection chamber carries out air detection, different pollutant types in the air are collected in a classified mode, the pollutants are mainly formaldehyde, ammonia gas, benzene, carbon monoxide and radon gas, air detection is carried out, indoor pollution is reduced, and human health is protected.
In a further example, an air pollution detecting apparatus and a detecting method thereof includes the steps of:
step 1: firstly, establishing a detection scheme, namely determining detection time and detection position; determining the detection times; thirdly, determining detection items and categories; fourthly, environmental sealing is required in advance aiming at detection, so that the accuracy of the result is prevented from being influenced;
step 2: electrifying the detection device, confirming detection items and detecting indoor positions and heights through the controller, and confirming the air pollution degree at different positions;
and step 3: when the detection device starts to work, the air inlet is used for sucking air, after air enters the air inlet, the detection chamber arranged in the air inlet is used for detecting one, two or more detection items, and meanwhile, the detection chamber is connected with the controller in series, and detection data are synchronously displayed to determine the air pollution degree;
and 4, step 4: in order to facilitate detection, the bottom of the air inlet is connected with a measuring ruler, the measuring ruler can be adjusted according to the measuring requirements of measuring personnel on different height positions, and meanwhile, the measuring ruler is fixedly connected with a telescopic rod to adjust the overall height of the measuring ruler;
and 5: for air detection in different directions, the air detection is realized by the rotary table below the air inlet, the controller issues a command, the electric saw is controlled to drive the poking piece inside the rotary table to rotate, and the poking piece and the clamping plate are rotationally poked, so that the clamping plate rotates, the air inlet is driven by the rotating shaft to adjust the angle, and air in different angles is absorbed;
step 6: in the pump cavity, the rotating piece is attached to the inner wall of the pump cavity to generate a vacuum environment, and the second rotating piece can rotate to divide the space in the pump cavity;
and 7: after the air detection is finished, the air is circulated for a circle in the pump cavity and is discharged through the air outlet;
and 8: the universal wheel moves the detection device, and the air detection is carried out by changing the position, so that the objectivity and the accuracy of the air detection are maintained.
Has the advantages that: the invention discloses an air pollution detection device, which absorbs air through an air inlet and enters the detection device for detection, wherein a rotating platform is arranged below the air inlet, and the rotating platform drives the air inlet to rotate so as to absorb air in different directions, so that the data is more accurate; the air inlet is internally provided with a detection chamber which can realize synchronous detection of one, two or more pollutants, the detection chamber is connected with the controller, the controller uniformly issues commands, and meanwhile, the detection result is synchronously displayed by the controller to confirm the content of the air pollutants; and to the air of high position, can promote the measuring ruler through the telescopic link and rise, can confirm by the measuring ruler to different height positions, guarantee whole empty gas detection's data accuracy and perfection, conveniently formulate corresponding solution.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the pump chamber of the present invention.
Fig. 4 is a schematic view of the structure inside the intake port in the present invention.
Fig. 5 is a schematic structural view of the telescopic device in the present invention.
Fig. 6 is a schematic view of the structure of the rotating unit in the turntable according to the present invention.
FIG. 7 is a schematic view of the structure of the toggle assembly inside the turntable according to the present invention.
The reference signs are: the detection device comprises a controller 1, an air inlet 2, an air outlet 3, a pump cavity 4, a detection device body 5, a universal wheel 6, a rotating table 7, an air inlet pipe 8, a first rotating sheet 9, a first spring 10, a second rotating sheet 11, a first control motor 12, an exhaust pipe 13, a detection chamber 14, a measuring ruler 15, an expansion rod 16, a first supporting plate 17, a second spring 18, a second supporting plate 19, a clamping plate 20, a rotating shaft 21, a shifting plate 22, a sliding plate 23 and a second control motor 24.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
As shown in fig. 1 to 7, an air pollution detection device and a detection method thereof are composed of a controller 1, an air inlet 2, an air outlet 3, a pump cavity 4, a detection device body 5, a universal wheel 6, a rotary table 7, an air inlet pipe 8, a first rotor 9, a first spring 10, a second rotor 11, a first control motor 12, an air outlet pipe 13, a detection chamber 14, a measuring scale 15, an expansion link 16, a first support plate 17, a second spring 18, a second support plate 19, a clamping plate 20, a rotating shaft 21, a poking plate 22, a sliding plate 23 and a second control motor 24.
As shown in fig. 1 to 7, the detection device body 5 is arranged at a designated position, the controller 1 is arranged inside the detection device body 5, the pump cavity 4 and the controller 1 are connected in series, the universal wheel 6 is arranged at the bottom of the detection device body 5 to facilitate the movement of the detection device body 5, the air inlet 2 is arranged at the top of the pump cavity 4 and telescopically connected with the pump cavity 4, the air outlet 3 is fixedly connected with the pump cavity 4, the exhaust pipe 13 is arranged inside the air outlet 3, the exhaust pipe 13 is in interference fit with the air outlet 3, the air inlet 8 is arranged inside the air inlet 2, the air inlet 8 is in clearance fit with the air inlet 2, a measuring ruler 15 is arranged outside the air inlet 8, and the overall rising height of the air inlet 8 can be confirmed by the measuring ruler 15, a rotating table 7 is arranged between the air inlet 2 and the detection device body 5, the rotating table 7 is connected with the controller 1, the rotating assembly and the stirring assembly are arranged in the rotating table 7, the rotating assembly comprises a rotating shaft 21 fixedly connected with the air inlet 2, the arc-shaped clamping plate 20 surrounds the outer side of the rotating shaft 21, 4 clamping plates 20 are arranged, gaps are arranged between the clamping plates 20, the stirring assembly comprises a second control motor 24 arranged in the rotating table 7 and a sliding plate 23 surrounding the side surface of the second control motor 24, the sliding plate 23 is arranged in a shell shape, the surface radian of the sliding plate 23 is matched with that of the clamping plate 20, the sliding plates 23 are arranged in three pieces, stirring pieces 22 are arranged between the sliding plates 23, and protrusions are arranged on the surfaces of the stirring pieces 22, the protrusions are matched with the gaps between the clamping plates 20 and can slide in the gaps between the clamping plates 20, the poking pieces 22 are arranged at equal distances, the rotating table 7 can realize a 360-degree rotating angle, the second control motor 24 is connected with the controller 1 in series, the controller 1 controls the rotating direction and the rotating angle of the second control motor 24, a vacuum cavity is arranged inside the pump cavity 4, the rotating pieces are connected with the first control motor 12 and are arranged inside the pump cavity 4, each rotating piece comprises a first rotating piece 9 and a second rotating piece 11, the second rotating piece 11 is arranged at a fixed position relative to the pump cavity 4, the first rotating piece 9 is arranged in a sliding structure, the rotating angle of the first rotating piece 9 is smaller than 360 degrees and cannot be overlapped with the second rotating piece 11, a first spring 10 is arranged inside each rotating piece, and the rotating pieces are tangent to the inner wall of the pump cavity 4, the air inlet pipe 8 is connected with the pump cavity 4, the bottom of the measuring ruler 15 is fixedly provided with a telescopic device, the telescopic device comprises a supporting mechanism which is connected with the pump cavity 4 in a clamping way, the telescopic rod 16 is fixedly connected with the surface of the supporting mechanism, the supporting mechanism is designed to be an elastic structure, the second spring 18 is arranged in the supporting mechanism, the second spring 18 is connected with the first supporting plate 17 in a clamping way, the second supporting plate 19 is fixedly connected with the second spring 18, the surface of the first supporting plate 17 is provided with a groove, the telescopic rod 16 is arranged in the groove, the bottom of the telescopic rod 16 is matched with the width of the groove in size, the surface of the pump cavity 4 is also provided with a groove, the surface of the pump cavity 4 is matched with the length of the second supporting plate 19 in size, the detection chamber 14 is arranged inside the air inlet 2, and the detection chamber 14 can detect the content of one or more gas pollutants, so that the operation is convenient, and the detection efficiency is improved.
As is known, in the daily life process of people, air pollution is one of the main causes of harm to human health, indoor decoration is one of the main causes, and pollutants in indoor air are mainly substances such as dust, benzene, formaldehyde and the like; to address this situation, a plurality of sets of detection chambers 14 are installed at the intake port 2:
the number of detection chambers 14 is at least 5 but not limited to 5, and may be more; the detection chamber 14 is mainly used for 5 major killers which seriously affect the living environment and the life health of people, such as benzene, formaldehyde, ammonia gas, radon gas, carbon monoxide and the like.
Through controller 1 and detection room 14 series connection together, detection information such as the content of air pollutant can be synchronized, can audio-visually express, carry out corresponding countermeasure's formulation by the professional.
The controller 1 can not only display the detection result, but also synchronously control the rotating system, the lifting system, the vacuum-pumping system and the memory system of the air inlet 2.
After air samples at a plurality of positions and a plurality of time periods are collected, data backup is carried out through a memory system in the controller 1, and a plurality of measured data are numbered, so that subsequent detection personnel can conveniently carry out data searching, comparison and re-recording work, and the possibility that the detection personnel need to work repeatedly is reduced; the exemplary memory system can store detection information for 3-6 months, then carry out data coverage, can effectively distinguish detection time by searching data, and proves the effectiveness of established measures for improving the air in the environment through data comparison.
The controller 1 may set a pollutant content interval, and in order to confirm whether the air quality is suitable for the inhabitant, for example: formaldehyde 0.2 mg/m3 (1 h), benzene 0.11 mg/m3 (1 h), ammonia 0.2 mg/m3 (1 h) and the like, and whether the content exceeds the standard or not is confirmed by comparing the data.
Further, the controller 1 further includes:
the monitoring unit is connected with the control motor, monitors whether window opening or smoking, gas opening and other behaviors occur in the room or not through the monitoring unit, records the behaviors in time, stops air detection commands when monitoring the behaviors, reports errors in time and informs detection personnel.
After standing for 1 hour or a professional detector calculates and calculates standing time, the air detection device is restarted to carry out air detection, and the controller 1 carries out monitoring again to ensure the authenticity and reliability of the whole air detection process.
The controller 1 is used for carrying out overall control, the monitoring unit is used for carrying out overall process recording, and the detection system is used for carrying out data recording analysis to ensure the effectiveness of overall detection.
At present, the condition that the air detection device used by people often leaks to be detected in the same direction can cause the deviation of the content of pollutants in the detected and calculated air, which is inconsistent with the actual condition and has certain influence on the human health.
And the air collection work of the 360-degree direction of the air inlet is realized through a rotating system, and the rotating system internally comprises a rotating mechanism and a stirring mechanism.
The rotating mechanism is mainly connected with the air inlet 2 and is stirred by the stirring mechanism, so that the air inlet 2 is driven to rotate synchronously, and the controller 1 uniformly issues commands to operate.
The controller 1 issues a rotation command to the second control motor 24, including a rotation angle and a rotation reversal, and at the same time, adjusts according to the position where the air inlet 2 absorbs the air sample, and issues a command to switch the position angle.
The surface of the clamping plate 20 of the rotating mechanism is arc-shaped, when the clamping plate 20 is tangent to the sliding plate 23 in the shifting mechanism, the sliding plate 23 can conveniently move in a staggered mode, friction between the clamping plate 20 and the sliding plate 23 is reduced, kinetic energy consumption between the clamping plate 20 and the sliding plate is reduced, the problems of clamping stagnation and the like in the shifting process are avoided, gaps between the clamping plates 20 are matched with the shifting pieces 22, the shifting pieces 22 can be conveniently shifted more smoothly, and the angle of the air inlet 2 can be conveniently adjusted.
Further, the rotation system further includes:
and the speed control unit is connected with the second control motor 24, mainly controls the rotating speed of the air inlet 2, is connected with the controller 1, and timely feeds back whether the abnormal state exists in the rotating system.
When using rotating system, confirm whether 2 slew velocity of air inlet are unanimous, prevent because rotating system uses for a long time, lead to slew velocity too fast or the jamming scheduling problem appears, influence the holistic life of detection device, guarantee the testing result accuracy simultaneously.
In contrast, for air with a high position, the air detection device cannot be detected enough, the area cannot be detected, and light pollutants float in the area, so that a large amount of pollutants are inhaled by people after long-time breathing, and linked respiratory diseases are caused;
carry out the overcoming of this problem through operating system, promote measuring ruler 15 to rise to the rising through telescopic link 16, according to people's demand, control controller 1 issues the order, realize the air sample collection work of eminence position, when measuring ruler 15 descends, move away to avoid possible earthquakes through the spring in the supporting mechanism of measuring ruler 15 below, it is too fast to reduce measuring ruler 15 because the falling speed of gravity reason, touch with the rigidity between the part, the part damage that leads to, recess and corresponding telescopic link 16 and the 19 size adaptations of second backup pad through opening on first backup pad 17 and pump chamber 4 surface simultaneously, restrict the position between the two, play fine fixity, make operating system more stable in service.
In a common air detection device, when internal air circulates, problems such as air leakage and the like often occur, and the detection result of air pollutants is influenced;
performing air isolation through a vacuum pumping system; the rotor inside the pump cavity 4 is tangent with the inner wall of the pump cavity 4, at the moment, the rotor rotates at a high speed and the first spring 10 arranged inside the rotor is completely attached to the pump cavity 4 under the elastic stretching action generated by rotation, and the detected air is discharged through the air outlet 3 in a hollow stroke area, so that the problems of air mixing and the like are prevented;
the rotor mainly divide into first rotor 9 and second rotor 11, and first rotor 9 is fixed position in pump chamber 4 inside, and second rotor 11 is for rotating the connection for first rotor 9, because second rotor 11 can rotate, can alternate the angle in a plurality of positions, also can be with pump chamber 4 inside division 2 or 3 regions simultaneously, according to individual demand change can, but second rotor 11 and first rotor 9 can't overlap together.
Further, the vacuum pumping system further comprises:
temperature detecting element, mainly carry out the temperature monitoring effect of pump chamber 4 inside, temperature monitoring element links together with controller 1, because the rotor rotates at pump chamber 4 inside high speed, first control motor 12 can produce very big heat, and inside is because be in vacuum state for a long time, can lead to the increase of pump chamber 4 internal pressure, in case when the temperature is too high, can take place the condition such as explosion, when pump chamber 4 internal temperature is too high, with information transmission to controller 1 on, real time monitoring carries out, controller 1 sets up the highest temperature, when reaching this temperature, the rotor can appear and force the braking, brake the cooling for a period, after resetting, continue to work through controller 1, provide the security for the user.
The working principle of the invention is as follows:
detection device is by controller 1 unified issue instruction, full automation control, carry out air sample collection work by air inlet 2, the content that concentrates the chemical substance through detection room 14 detects, simultaneously in order to avoid the pump chamber 4 inside to appear the cross gas scheduling problem and influence holistic testing result, it is regional to form the vacuum through the high-speed rotation of rotor, and air inlet 2 can carry out 360 rotations through revolving stage 7 and carry out air collection, guarantee the accuracy that detects, the telescoping device raises air inlet 2, carry out the air collection of higher position, avoid omitting the position, cause respiratory disease to take place, after detecting a point, it can to promote detection device to carry out next position detection.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.
Claims (10)
1. The utility model provides an air pollution detection device, its characterized in that, includes the detection device body, sets up the inside controller that can collect the air, carry out the accurate contrast of gaseous pollutant content and store the convenient follow-up investigation once more of contrast data with the detection standard of detection device body, with the evacuation unit that the controller links together.
2. The air pollution detecting device according to claim 1, wherein the vacuum unit includes a pump chamber disposed inside the detecting device body, a rotary piece attached to an inner wall of the pump chamber for circulating and discharging air inside the pump chamber;
the rotor is electrically connected with a first control motor, and comprises a connecting port arranged at the end part of the first control motor, a first spring fixedly connected with the connecting port, and an anti-skidding end plate elastically connected with the first spring;
the rotor is including setting up first rotor inside the pump chamber, with first rotor rotates the second rotor that links together, first rotor is fixed position for the pump chamber position relatively, the position control can be realized for first rotor to the second rotor, nevertheless the second rotor with first rotor can't form the coincidence.
3. The air pollution detection device according to claim 2, wherein the inside of the pump cavity is provided with a closed space, one side of the top of the pump cavity is fixedly connected with an air inlet, the end part of the air inlet is clamped with an air inlet pipe, a measuring scale is arranged at the bottom of the air inlet to meet sampling and collection of air with different heights and perform objective air quality analysis, and the air inlet pipe is provided with a telescopic structure and can perform collection synchronously when the air inlet rises to collect air;
the air pump is characterized in that an air outlet is formed in the other side of the top of the pump cavity, an air exhaust pipe is arranged between the air outlet and the pump cavity, the size of the air exhaust pipe is compressed, and after the controller detects air, the air exhaust port exhausts redundant air out of the pump cavity.
4. An air pollution detecting device as claimed in claim 3, wherein a minimum of 5 detecting chambers are provided in the air inlet, 5 detecting chambers are connected in series with the controller, and an independent air supply channel is provided between the detecting chambers to connect the air inlet pipe.
5. The air pollution detecting device according to claim 3, wherein a rotating table is disposed between the air inlet and the detecting device body, and a rotating device is disposed inside the rotating table and electrically connected to the controller;
the rotating device comprises a rotating component fixedly connected with the air inlet and a stirring component which is arranged in the same direction with the rotating component and used for receiving a rotating command issued by the controller, controlling the rotating angle and stirring the rotating component.
6. The air pollution detecting device of claim 5, wherein the rotating assembly includes a shaft engaged with the air inlet, and a clamp plate surrounding the shaft;
the poking assembly comprises a second control motor, a transmission shaft fixedly connected with the second control motor, sliding plates uniformly distributed outside the transmission shaft, and poking pieces arranged between the sliding plates;
the transmission shaft is controlled to rotate through the second control motor, and the second control motor is driven to rotate in the reverse direction according to the rotation direction issued by the controller;
the surface of the clamping plate is provided with an arc-shaped plate, the sliding plate is tangent to the surface of the clamping plate, the surface of the shifting sheet is provided with a protrusion, and the shifting sheet is intersected with the gap between the clamping plates to realize the function of shifting the rotating assembly, so that the air inlet can be adjusted in angle, and the multidirectional air collection work can be met.
7. The air pollution detection device according to claim 3, wherein a telescopic device is fixedly connected to the bottom of the air inlet, so that the function of collecting air at a high position is realized, and the air pollution detection device is synchronously telescopic with the measuring scale;
the telescopic device comprises a supporting mechanism arranged on the upper surface of the pump cavity and a telescopic rod fixedly arranged with the supporting mechanism, wherein a groove is formed in the surface of the supporting mechanism, the telescopic rod is matched with the end part of the telescopic rod in size, the position of the telescopic rod can be fixed through the groove, and the telescopic device is used for limiting the position in the telescopic process and playing a good metering role.
8. The air pollution detecting device according to claim 7, wherein the supporting mechanism includes a second supporting plate screwed with the pump chamber, a second spring fixedly connected with the second supporting plate, and a first supporting plate hung with the second spring, and a groove is formed on the surface of the first supporting plate and is adapted to the width of the telescopic rod;
simultaneously during the telescopic link upward movement, can pass through supporting mechanism carries out fine cushioning effect, when the telescopic link is retrieved downwards, through supporting mechanism carries out the falling speed and slows down, reduces the falling pressure that the measuring ruler received.
9. The air pollution detection device of claim 4, wherein the detection chamber performs air detection, and collects different pollutant types in air in a classified manner, and the pollutants are mainly formaldehyde, ammonia gas, benzene, carbon monoxide and radon gas, so that the air detection is performed, indoor pollution is reduced, and human health is protected.
10. An air pollution detection device and a detection method thereof are characterized by comprising the following steps:
step 1: firstly, establishing a detection scheme, namely determining detection time and detection position; determining the detection times; thirdly, determining detection items and categories; fourthly, environmental sealing is required in advance aiming at detection, so that the accuracy of the result is prevented from being influenced;
step 2: electrifying the detection device, confirming detection items and detecting indoor positions and heights through the controller, and confirming the air pollution degree at different positions;
and step 3: when the detection device starts to work, the air inlet is used for sucking air, after air enters the air inlet, the detection chamber arranged in the air inlet is used for detecting one, two or more detection items, and meanwhile, the detection chamber is connected with the controller in series, and detection data are synchronously displayed to determine the air pollution degree;
and 4, step 4: in order to facilitate detection, the bottom of the air inlet is connected with a measuring ruler, the measuring ruler can be adjusted according to the measuring requirements of measuring personnel on different height positions, and meanwhile, the measuring ruler is fixedly connected with a telescopic rod to adjust the overall height of the measuring ruler;
and 5: for air detection in different directions, the air detection is realized by the rotary table below the air inlet, the controller issues a command, the electric saw is controlled to drive the poking piece inside the rotary table to rotate, and the poking piece and the clamping plate are rotationally poked, so that the clamping plate rotates, the air inlet is driven by the rotating shaft to adjust the angle, and air in different angles is absorbed;
step 6: in the pump cavity, the rotating piece is attached to the inner wall of the pump cavity to generate a vacuum environment, and the second rotating piece can rotate to divide the space in the pump cavity;
and 7: after the air detection is finished, the air is circulated for a circle in the pump cavity and is discharged through the air outlet;
and 8: the universal wheel moves the detection device, and the air detection is carried out by changing the position, so that the objectivity and the accuracy of the air detection are maintained.
Priority Applications (1)
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| CN202110321668.6A CN113188856A (en) | 2021-03-25 | 2021-03-25 | Air pollution detection device and detection method thereof |
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| CN202110321668.6A CN113188856A (en) | 2021-03-25 | 2021-03-25 | Air pollution detection device and detection method thereof |
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| CN114414445A (en) * | 2021-12-30 | 2022-04-29 | 浙江意诚检测有限公司 | Air detection device for indoor building materials |
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