CN113552032A - Portable dust monitor - Google Patents
Portable dust monitor Download PDFInfo
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- CN113552032A CN113552032A CN202110697278.9A CN202110697278A CN113552032A CN 113552032 A CN113552032 A CN 113552032A CN 202110697278 A CN202110697278 A CN 202110697278A CN 113552032 A CN113552032 A CN 113552032A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N2015/0681—Purposely modifying particles, e.g. humidifying for growing
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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
Abstract
A portable dust monitor is provided, wherein a small shell is provided with a main air inlet and a main air outlet; a partition plate and a temperature and humidity sensor are arranged in an inner cavity of the temperature and humidity measuring box, and a strip-shaped communication hole is formed in the middle of the partition plate; the outer side of the temperature and humidity measuring box is respectively connected with a first air inlet pipeline, a first air outlet pipeline, a second air outlet pipeline and a third air outlet pipeline; the air outlet and the air inlet of the dust meter are respectively connected with the air outlet ends of the first air inlet pipeline and the drying pipeline; the air inlet end of the drying pipeline is connected with the main air inlet; the pulsation damper, the third gas outlet pipeline and the gas inlet of the vacuum sampling pump are respectively connected with three interfaces of the first three-way pipe fitting; the air outlet of the vacuum sampling pump is connected with the main exhaust port; and the environment pressure sensor, the second air outlet pipeline and a second air inlet of the differential pressure type flowmeter are connected with one outlet of the second three-way pipe fitting, and the first air inlet of the differential pressure type flowmeter is connected with the first air outlet pipeline. The monitor is convenient to carry and can ensure the reliability of a detection result.
Description
Technical Field
The invention belongs to the technical field of dust measurement, and particularly relates to a portable dust monitor.
Background
A large amount of dust exists in most coal mine tunnels, coal mining working faces and ground tunnel driving faces, wherein the concentration of the respiratory dust which is harmful to operators seriously exceeds the concentration standard allowed to be exposed, so that the incidence of pneumoconiosis of the operators working in coal mines is high, and the real-time dust monitoring is a precondition and a key measure for realizing effective dust prevention and control.
In the present stage, the dust monitoring equipment used in a mine mostly adopts the light scattering principle, the measurement accuracy of the dust monitoring equipment is greatly influenced by the change of the temperature, the humidity, the coal quality and the lithology of the environment, the magnitude traceability is not good, and in the long-time continuous monitoring process, the problems of optical window pollution, instrument drift and the like are easily generated, so that the measurement accuracy is reduced. Meanwhile, the dust monitoring equipment cannot be calibrated in real time, so that the reliability of a final detection result is insufficient, and the requirement of real-time monitoring of mine personnel cannot be met. In addition, due to the requirement of dust fall in the underground working environment, a large amount of atomized liquid drops are often contained around a spray dust fall place or in wind flow, so that the accuracy of detection results in the place cannot be guaranteed, and therefore manual calibration and later maintenance are required frequently. Moreover, current monitoring facilities are mostly fixed structure, can't carry out convenient removal, and the not portable of being more convenient for can't accomplish and carry out the measurement of the real-time accumulative total volume of connecing the dirt volume to the miner.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a portable dust monitor which is convenient to carry and carry out real-time calibration, can ensure the reliability of a detection result, and can effectively meet the requirement of mine personnel on real-time monitoring.
In order to achieve the purpose, the invention provides a portable dust monitor, which comprises a small shell, a temperature and humidity measuring box, a dust measuring instrument, a drying pipeline, a first three-way pipe fitting, a pulsation damper, a vacuum sampling pump, an environmental pressure sensor, a differential pressure type flowmeter, a storage battery pack and a controller, wherein the small shell is provided with a main air inlet and a main air outlet;
the middle part of the inner cavity of the temperature and humidity measuring box is provided with a partition plate, the partition plate separates the inner cavity of the temperature and humidity measuring box into an upper cavity space and a lower cavity space, and the middle part of the partition plate is provided with a strip-shaped communication hole for communicating the upper cavity space with the lower cavity space; the outer side of the lower part of the temperature and humidity measuring box is oppositely connected with a first air inlet pipeline and a first air outlet pipeline which are communicated with the lower cavity space, and the outer side of the upper part of the temperature and humidity measuring box is oppositely connected with a second air outlet pipeline and a third air outlet pipeline which are communicated with the upper cavity space; a temperature and humidity sensor is arranged in the temperature and humidity measuring box;
the air outlet of the dust meter is connected with the first air inlet pipeline through a second communicating pipeline;
the drying pipeline is filled with a drying agent, the air outlet end of the drying pipeline is connected with the air inlet of the dust meter through a first communication pipeline, and the air inlet end of the drying pipeline is connected with the main air inlet through a sampling pipeline;
the pulsation damper is connected with one outlet of the first three-way pipe fitting through a fourth communication pipeline, and an inlet of the first three-way pipe fitting is connected with a third gas outlet pipeline through a third communication pipeline;
the air inlet of the vacuum sampling pump is connected with the other outlet of the first three-way pipe fitting through a fifth communication pipeline, and the air outlet of the vacuum sampling pump is connected with the main exhaust port through an exhaust pipeline;
the environment pressure sensor is connected with one outlet of a second three-way pipe fitting through a sixth communication pipeline, and the inlet of the second three-way pipe fitting is connected with a second gas outlet pipeline through a seventh communication pipeline;
a first air inlet of the differential pressure type flowmeter is connected with a first air outlet pipeline through an eighth communicating pipeline, and a second air inlet of the differential pressure type flowmeter is connected with the other outlet of the second three-way pipe fitting through a ninth communicating pipeline;
the storage battery pack is respectively connected with the controller and the vacuum sampling pump through a power supply circuit;
the controller is connected with differential pressure type flowmeter, ambient pressure sensor, vacuum sampling pump, pulsation damper, dust meter, temperature and humidity sensor and display screen respectively, the display screen is installed at the surface of small-size casing.
Preferably, the drying pipeline is of a straight pipe structure.
Furthermore, in order to conveniently charge the storage battery pack, a charging interface is further arranged on the small shell and connected with the storage battery pack through a charging circuit.
Further, in order to remove particles with larger particle size so as to improve the measurement accuracy, a cyclone particle size cutter communicated with the main air inlet is installed on the outer side of the small shell.
Preferably, the temperature and humidity sensor is installed in the lower cavity space.
Preferably, the controller is a PLC controller.
Furthermore, in order to facilitate the separation of the dust meter from the whole device and the replacement and cleaning of a filter membrane in the dust meter after each test process is finished, the air outlet of the dust meter is connected with the second communication pipeline through the quick connector A, and the air inlet of the dust meter is connected with the first communication pipeline through the quick connector B; and the part of the small shell corresponding to the dust measuring instrument is provided with an access door.
Furthermore, in order to improve the measurement accuracy, the device also comprises an inclination angle sensor and an environment temperature sensor; the inclination angle sensor and the environment temperature sensor are both arranged outside the small shell and are positioned close to the main air inlet, and the inclination angle sensor is used for acquiring an inclination angle signal of the main air inlet in real time and sending the inclination angle signal to the controller in real time, so that the controller can conveniently obtain an inclination angle value of the main air inlet; the environment temperature sensor is used for acquiring the temperature signal of the external environment in real time and sending the temperature signal of the external environment to the controller, so that the controller can conveniently obtain the temperature value of the external environment.
According to the invention, through the arrangement of the drying pipeline, the moisture in the air can be removed by using the drying agent, so that the influence of the moisture on the measurement precision is reduced to the maximum extent, and the measurement precision can be obviously improved. Through the arrangement of the differential pressure type flowmeter, the flow signal from the lower cavity space to the upper cavity space of the gas can be conveniently measured in real time, and can be fed back to the controller in real time. The controller controls the rotating speed of the vacuum sampling pump through the received flow signal to ensure that the gas passing through the dust meter keeps constant volume flow, so that the constant-flow measuring process can be realized through the matching of the differential pressure type flow meter and the vacuum sampling pump. The quality signal of dust particles collected in a specific time can be measured by the arrangement of the dust measuring instrument, and is fed back to the controller in real time. The controller divides the mass of the dust particles in a given time period by the volume of the air sample passing through the same time period, so that the mass concentration of the respiratory dust in the mine environment can be conveniently determined. The pulsation damper can be arranged to conveniently eliminate gas pressure pulsation in the pipeline, so that the effect of stabilizing the fluid pressure and flow can be achieved; the environmental pressure sensor is arranged to monitor the environmental pressure signals in the cavity space at the upper part of the temperature and humidity measuring box in real time, and can feed the environmental pressure signals back to the controller in real time, and the controller processes the environmental pressure signals and then displays the signals on the display screen in real time. The temperature signal and the humidity signal of the sample gas can be measured through the temperature and humidity sensor, and are fed back to the controller in real time, and the controller can compensate the measured value conveniently according to the received temperature signal and the received humidity signal, so that a more accurate measuring result can be obtained. The monitor is suitable for monitoring the exposure of individual dust in a mine or other environments with higher particulate matter concentration.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention.
In the figure: 1. cyclone particle size cutter, 2, display, 3, temperature and humidity measurement box, 4, differential pressure type flowmeter, 5, environmental pressure sensor, 6, dust meter, 7, storage battery, 8, pulsation damper, 9, vacuum sampling pump, 10, first tee pipe fitting, 11, drying pipeline, 12, second tee pipe fitting, 13, small-sized shell, 14, partition board, 15, upper cavity space, 16, lower cavity space, 17, main air inlet, 18, main air outlet, 19, strip-shaped communication hole, 20, first air inlet pipeline, 21, first air outlet pipeline, 22, second air outlet pipeline, 23, third air outlet pipeline, 24, sampling pipeline, 25, exhaust pipeline, 26, inclination angle sensor, 27 and environmental temperature sensor.
Detailed Description
The present invention will be further explained below.
As shown in fig. 1 and 2, the invention provides a portable dust monitor, which comprises a small shell 13, a temperature and humidity measuring box 3, a dust measuring instrument 6, a drying pipeline 11, a first three-way pipe fitting 10, a pulsation damper 8, a vacuum sampling pump 9, an environmental pressure sensor 5, a differential pressure type flowmeter 4, a storage battery 7 and a controller, wherein the small shell 13 is provided with a main air inlet 17 and a main air outlet 18;
a partition plate 14 is arranged in the middle of an inner cavity of the temperature and humidity measurement box 3, the inner cavity of the temperature and humidity measurement box 3 is partitioned into an upper cavity space 15 and a lower cavity space 16 by the partition plate 14, and a strip-shaped communication hole 19 for communicating the upper cavity space 15 with the lower cavity space 16 is formed in the middle of the partition plate 14; the outer side of the lower part of the temperature and humidity measuring box 3 is oppositely connected with a first air inlet pipeline 20 and a first air outlet pipeline 21 which are communicated with the lower cavity space 16, and preferably, the first air inlet pipeline 20 and the first air outlet pipeline 21 are oppositely arranged left and right and are respectively arranged outside the left end and the right end of the lower part of the temperature and humidity measuring box 3; the outer side of the upper part of the temperature and humidity measuring box 3 is oppositely connected with a second air outlet pipeline 22 and a third air outlet pipeline 23 which are communicated with the upper cavity space 15, and preferably, the second air outlet pipeline 22 and the third air outlet pipeline 23 are oppositely arranged left and right and are respectively arranged outside the left end and the right end of the lower part of the temperature and humidity measuring box 3; a temperature and humidity sensor is arranged in the temperature and humidity measurement box 3; the temperature and humidity sensor is used for collecting temperature and humidity signals inside the temperature and humidity measurement box 3 in real time and sending the temperature and humidity signals to the controller connected with the temperature and humidity sensor in real time, and the controller can conveniently obtain the temperature and humidity value inside the temperature and humidity measurement box 3 in real time.
The air outlet of the dust meter 6 is connected with the first air inlet pipeline 20 through a second communication pipeline; the dust meter 6 is preferably an RP1400a dust meter which can be used to measure PM2.5, PM10 and TSP, measuring the oscillation frequency of the filter membrane every 2 seconds and at the same time it can output an average concentration of 0.5, 1, 8, 24 h. The core of the dust meter 6 is a hollow tube of conical element, the large diameter end of which is fixed and the small diameter end of which oscillates freely. The small-diameter end is provided with a replaceable filter membrane holder and a filter membrane so as to collect inhalable particles in the airflow passing through the conical element from the inlet. Electronic components located around the conical element cause the hollow tube to oscillate at its natural (or resonant) frequency. When the particulate matter is collected on the filter membrane, the natural oscillation frequency of the hollow tube can be reduced, and the mass concentration of the dust can be matched in real time by measuring the change of the frequency. This way, by using the basic principles of physics to determine the change in the mass of the dust sample on the filter membrane, it can be independent of particle size, color, shape or composition parameters.
The drying pipeline 11 is filled with a drying agent, the air outlet end of the drying pipeline is connected with the air inlet of the dust meter 6 through a first communication pipeline, and the air inlet end of the drying pipeline is connected with the main air inlet 17 through a sampling pipeline 24; the desiccant can effectively remove moisture in the gas, thereby being beneficial to improving the monitoring accuracy.
The pulsation damper 8 is connected with one outlet of the first three-way pipe fitting 10 through a fourth communication pipeline, and the inlet of the first three-way pipe fitting 10 is connected with a third gas outlet pipeline 23 through a third communication pipeline; the pulsation damper 8 can eliminate the pressure pulsation of gas in the pipeline, so that the effects of stabilizing the pressure and flow of the fluid, eliminating the vibration of the pipeline and protecting downstream instruments and equipment can be achieved.
The air inlet of the vacuum sampling pump 9 is connected with the other outlet of the first three-way pipe fitting 10 through a fifth communication pipeline, and the air outlet of the vacuum sampling pump is connected with the main exhaust port 18 through an exhaust pipeline 25;
the environment pressure sensor 5 is connected with one outlet of the second tee pipe fitting 12 through a sixth communication pipeline, and the inlet of the second tee pipe fitting 12 is connected with the second gas outlet pipeline 22 through a seventh communication pipeline;
a first air inlet of the differential pressure type flowmeter 4 is connected with a first air outlet pipeline 21 through an eighth communication pipeline, and a second air inlet thereof is connected with the other outlet of the second three-way pipe fitting 12 through a ninth communication pipeline;
the storage battery pack 7 is respectively connected with the controller and the vacuum sampling pump 9 through a power supply circuit;
the controller is connected with differential pressure type flowmeter 4, ambient pressure sensor 5, vacuum sampling pump 9, pulsation damper 8, dust measuring instrument 6, temperature and humidity sensor and display screen 2 respectively, display screen 2 installs the surface at small-size casing 13.
Preferably, the drying pipeline 11 is a straight pipe structure.
In order to charge the storage battery pack conveniently, a charging interface is further arranged on the small shell 13 and connected with the storage battery pack 7 through a charging circuit.
In order to remove particles having a large particle diameter so as to improve the measurement accuracy, a cyclone particle diameter cutter 1 communicating with the main air inlet 17 is installed on the outside of the small housing 13.
Preferably, the temperature and humidity sensor is mounted in the lower cavity space 16.
Preferably, the controller is a PLC controller.
In order to facilitate the separation of the dust meter and the whole device and to facilitate the replacement and cleaning of a filter membrane in the dust meter after each test process is finished, the air outlet of the dust meter 6 is connected with the second communication pipeline through a quick connector A, and the air inlet thereof is connected with the first communication pipeline through a quick connector B; and an access door is arranged on the part of the small shell 13 corresponding to the dust measuring instrument 6.
In order to further improve the measurement accuracy, the device also comprises an inclination angle sensor 26 and an environment temperature sensor 27; the tilt angle sensor 26 and the ambient temperature sensor 27 are both mounted outside the small housing 13 and located at a position close to the main air inlet 17, and the tilt angle sensor 26 is used for acquiring a tilt angle signal of the main air inlet 17 in real time and sending the tilt angle signal to the controller in real time, so that the controller can conveniently obtain a tilt angle value of the main air inlet 17; the environment temperature sensor 27 is used for acquiring a temperature signal of an external environment in real time and sending the temperature signal of the external environment to the controller, so that the controller can conveniently obtain a temperature value of the external environment. Like this, the controller can be convenient for carry out further compensation to measuring result according to the temperature value of inclination angle value, external environment for the change of this monitor angle when the operator removes is compensated, if this monitor is invertd or misplaced, the controller will detect this state, will get rid of real-time dust monitoring concentration data, until this kind of condition is rectified, thereby can more effectual improvement measurement accuracy.
Through the setting of the drying pipeline, moisture in the air can be removed by the drying agent, so that the influence of the moisture on the measurement precision is reduced to the maximum extent, and the measurement precision can be obviously improved. Through the arrangement of the differential pressure type flowmeter, the flow signal from the lower cavity space to the upper cavity space of the gas can be conveniently measured in real time, and can be fed back to the controller in real time. The controller controls the rotating speed of the vacuum sampling pump through the received flow signal to ensure that the gas passing through the dust meter keeps constant volume flow, so that the constant-flow measuring process can be realized through the matching of the differential pressure type flow meter and the vacuum sampling pump. The quality signal of dust particles collected in a specific time can be measured by the arrangement of the dust measuring instrument, and is fed back to the controller in real time. The controller divides the mass of the dust particles in a given time period by the volume of the air sample passing through the same time period, so that the mass concentration of the respiratory dust in the mine environment can be conveniently determined. The pulsation damper can be arranged to eliminate the pressure pulsation of the gas in the pipeline, so as to stabilize the pressure and flow of the fluid. The environmental pressure sensor is arranged to monitor the environmental pressure signals in the cavity space at the upper part of the temperature and humidity measuring box in real time, and can feed the environmental pressure signals back to the controller in real time, and the controller processes the environmental pressure signals and then displays the signals on the display screen in real time. The temperature signal and the humidity signal of the sample gas can be measured through the temperature and humidity sensor, and are fed back to the controller in real time, and the controller can compensate the measured value conveniently according to the received temperature signal and the received humidity signal, so that a more accurate measuring result can be obtained. The monitor is suitable for monitoring the exposure of individual dust in a mine or other environments with higher particulate matter concentration.
Claims (8)
1. A portable dust monitor comprises a small shell (13), wherein a main air inlet (17) and a main air outlet (18) are formed in the small shell (13), and the portable dust monitor is characterized by further comprising a temperature and humidity measuring box (3), a dust measuring instrument (6), a drying pipeline (11), a first three-way pipe fitting (10), a pulsation damper (8), a vacuum sampling pump (9), an environmental pressure sensor (5), a differential pressure type flowmeter (4), a storage battery pack (7) and a controller, wherein the temperature and humidity measuring box, the dust measuring instrument, the drying pipeline, the first three-way pipe fitting and the controller are arranged in the small shell (13);
a partition plate (14) is arranged in the middle of an inner cavity of the temperature and humidity measurement box (3), the inner cavity of the temperature and humidity measurement box (3) is separated into an upper cavity space (15) and a lower cavity space (16) by the partition plate (14), and a strip-shaped communication hole (19) for communicating the upper cavity space (15) with the lower cavity space (16) is formed in the middle of the partition plate (14); a first air inlet pipeline (20) and a first air outlet pipeline (21) communicated with the lower cavity space (16) are oppositely connected to the outer side of the lower part of the temperature and humidity measuring box (3), and a second air outlet pipeline (22) and a third air outlet pipeline (23) communicated with the upper cavity space (15) are oppositely connected to the outer side of the upper part of the temperature and humidity measuring box (3); a temperature and humidity sensor is arranged in the temperature and humidity measurement box (3);
the air outlet of the dust meter (6) is connected with the first air inlet pipeline (20) through a second communication pipeline;
the drying pipeline (11) is filled with a drying agent, the air outlet end of the drying pipeline is connected with the air inlet of the dust meter (6) through a first communication pipeline, and the air inlet end of the drying pipeline is connected with the main air inlet (17) through a sampling pipeline (24);
the pulsation damper (8) is connected with one outlet of the first three-way pipe (10) through a fourth communication pipeline, and an inlet of the first three-way pipe (10) is connected with a third air outlet pipeline (23) through a third communication pipeline;
the air inlet of the vacuum sampling pump (9) is connected with the other outlet of the first three-way pipe fitting (10) through a fifth communication pipeline, and the air outlet of the vacuum sampling pump is connected with a main exhaust port (18) through an exhaust pipeline (25);
the environment pressure sensor (5) is connected with one outlet of the second three-way pipe fitting (12) through a sixth communication pipeline, and the inlet of the second three-way pipe fitting (12) is connected with the second gas outlet pipeline (22) through a seventh communication pipeline;
a first air inlet of the differential pressure type flowmeter (4) is connected with a first air outlet pipeline (21) through an eighth communication pipeline, and a second air inlet of the differential pressure type flowmeter is connected with the other outlet of the second three-way pipe fitting (12) through a ninth communication pipeline;
the storage battery pack (7) is respectively connected with the controller and the vacuum sampling pump (9) through a power supply circuit;
the controller is connected with differential pressure type flowmeter (4), ambient pressure sensor (5), vacuum sampling pump (9), pulsation damper (8), dust measuring instrument (6), temperature and humidity sensor and display screen (2) respectively, the surface at small-size casing (13) is installed in display screen (2).
2. A portable dust monitor according to claim 1, wherein the drying pipeline (11) is a straight pipe structure.
3. The portable dust monitor according to claim 1 or 2, wherein the small-sized housing (13) is further provided with a charging interface, and the charging interface is connected with the storage battery (7) through a charging circuit.
4. A portable dust monitor according to claim 3, wherein the outside of the small housing (13) is fitted with a cyclone size cutter (1) in communication with the primary air inlet (17).
5. A portable dust monitor according to claim 4, wherein the temperature and humidity sensor is mounted in the lower cavity space (16).
6. The portable dust monitor of claim 5, wherein the controller is a PLC controller.
7. The portable dust monitor according to claim 6, wherein the air outlet of the dust meter (6) is connected to the second communication pipeline through a quick coupling A, and the air inlet thereof is connected to the first communication pipeline through a quick coupling B; and the part of the small shell (13) corresponding to the dust measuring instrument (6) is provided with an access door.
8. A portable dust monitor according to claim 7, further comprising an inclination sensor (26) and an ambient temperature sensor (27); the inclination angle sensor (26) and the environment temperature sensor (27) are both arranged outside the small shell (13) and are positioned close to the main air inlet (17), the inclination angle sensor (26) is used for acquiring an inclination angle signal of the main air inlet (17) in real time and sending the inclination angle signal to the controller in real time, and the controller can conveniently obtain an inclination angle value of the main air inlet (17); the environment temperature sensor (27) is used for acquiring the temperature signal of the external environment in real time and sending the temperature signal of the external environment to the controller, so that the controller can conveniently obtain the temperature value of the external environment.
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| CN202110697278.9A CN113552032B (en) | 2021-06-23 | 2021-06-23 | Portable dust monitor |
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| CN202110697278.9A CN113552032B (en) | 2021-06-23 | 2021-06-23 | Portable dust monitor |
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| CN113552032B CN113552032B (en) | 2022-08-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388136A (en) * | 2023-08-29 | 2024-01-12 | 中国矿业大学 | Self-calibration portable oscillating balance dust detector and use method thereof |
| CN117388136B (en) * | 2023-08-29 | 2024-04-30 | 中国矿业大学 | Self-calibration portable oscillating balance dust detector and use method thereof |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030031573A1 (en) * | 2001-08-09 | 2003-02-13 | Tearle Stephen Paul | Personal air sampling system and pump for use therein |
| CN2800261Y (en) * | 2005-06-22 | 2006-07-26 | 常熟市矿山机电器材有限公司 | Dust sampling head |
| CN200968927Y (en) * | 2006-11-13 | 2007-10-31 | 陕西斯达煤矿安全装备有限公司 | Direct-reading dust measuring instrument |
| CN101603912B (en) * | 2009-07-13 | 2011-01-12 | 常熟市福虞矿山器材有限公司 | Direct-reading dust concentration detector |
| CN102221519A (en) * | 2011-06-03 | 2011-10-19 | 江苏华凯矿业科技有限公司 | Direct-reading dust concentration detector |
| KR20120039219A (en) * | 2010-10-15 | 2012-04-25 | 건국대학교 산학협력단 | Apparatus of particle counter for particulate matter measuring and air quality monitoring |
| CN104749076A (en) * | 2015-03-11 | 2015-07-01 | 中国矿业大学 | Dust concentration and adhesion comprehensive detection device and detection method thereof |
| CN104914022A (en) * | 2014-03-11 | 2015-09-16 | 北京中立格林控制技术有限公司 | Indoor tiny particle monitor |
| CN105067493A (en) * | 2015-09-07 | 2015-11-18 | 常熟市矿山机电器材有限公司 | Online measurement system, online measurement equipment and online measurement method for concentration of flue dust |
| US20170248509A1 (en) * | 2015-07-14 | 2017-08-31 | Teilch, LLC | Airborne Particle Measuring Device |
| CN108303356A (en) * | 2017-12-29 | 2018-07-20 | 安徽蓝盾光电子股份有限公司 | A kind of atmosphere particulate matter monitoring instrument |
| CN108763547A (en) * | 2018-05-31 | 2018-11-06 | 安徽中疆环境科技有限公司 | A kind of airborne dust on-line monitoring system |
| CN109765156A (en) * | 2019-02-22 | 2019-05-17 | 北京英视睿达科技有限公司 | Air total suspended particles monitoring device based on Internet of Things |
| JP2020056792A (en) * | 2019-11-21 | 2020-04-09 | ホーチキ株式会社 | Smoke detector and method for identifying smoke generation place |
| CN111077034A (en) * | 2019-11-27 | 2020-04-28 | 天津同阳科技发展有限公司 | Particle monitoring equipment and method by using oscillating balance method |
| CN213398080U (en) * | 2020-07-22 | 2021-06-08 | 博纯有限责任公司 | Atmospheric particulate monitoring device |
-
2021
- 2021-06-23 CN CN202110697278.9A patent/CN113552032B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030031573A1 (en) * | 2001-08-09 | 2003-02-13 | Tearle Stephen Paul | Personal air sampling system and pump for use therein |
| CN2800261Y (en) * | 2005-06-22 | 2006-07-26 | 常熟市矿山机电器材有限公司 | Dust sampling head |
| CN200968927Y (en) * | 2006-11-13 | 2007-10-31 | 陕西斯达煤矿安全装备有限公司 | Direct-reading dust measuring instrument |
| CN101603912B (en) * | 2009-07-13 | 2011-01-12 | 常熟市福虞矿山器材有限公司 | Direct-reading dust concentration detector |
| KR20120039219A (en) * | 2010-10-15 | 2012-04-25 | 건국대학교 산학협력단 | Apparatus of particle counter for particulate matter measuring and air quality monitoring |
| CN102221519A (en) * | 2011-06-03 | 2011-10-19 | 江苏华凯矿业科技有限公司 | Direct-reading dust concentration detector |
| CN104914022A (en) * | 2014-03-11 | 2015-09-16 | 北京中立格林控制技术有限公司 | Indoor tiny particle monitor |
| CN104749076A (en) * | 2015-03-11 | 2015-07-01 | 中国矿业大学 | Dust concentration and adhesion comprehensive detection device and detection method thereof |
| US20170248509A1 (en) * | 2015-07-14 | 2017-08-31 | Teilch, LLC | Airborne Particle Measuring Device |
| CN105067493A (en) * | 2015-09-07 | 2015-11-18 | 常熟市矿山机电器材有限公司 | Online measurement system, online measurement equipment and online measurement method for concentration of flue dust |
| CN108303356A (en) * | 2017-12-29 | 2018-07-20 | 安徽蓝盾光电子股份有限公司 | A kind of atmosphere particulate matter monitoring instrument |
| CN108763547A (en) * | 2018-05-31 | 2018-11-06 | 安徽中疆环境科技有限公司 | A kind of airborne dust on-line monitoring system |
| CN109765156A (en) * | 2019-02-22 | 2019-05-17 | 北京英视睿达科技有限公司 | Air total suspended particles monitoring device based on Internet of Things |
| JP2020056792A (en) * | 2019-11-21 | 2020-04-09 | ホーチキ株式会社 | Smoke detector and method for identifying smoke generation place |
| CN111077034A (en) * | 2019-11-27 | 2020-04-28 | 天津同阳科技发展有限公司 | Particle monitoring equipment and method by using oscillating balance method |
| CN213398080U (en) * | 2020-07-22 | 2021-06-08 | 博纯有限责任公司 | Atmospheric particulate monitoring device |
Non-Patent Citations (2)
| Title |
|---|
| 刘建华等: "基于Labview虚拟仪器技术的粉尘浓度测控系统研究", 《长春理工大学学报(自然科学版)》 * |
| 王斌等: "一种便携式室内空气质量监测仪设计", 《工业控制计算机》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388136A (en) * | 2023-08-29 | 2024-01-12 | 中国矿业大学 | Self-calibration portable oscillating balance dust detector and use method thereof |
| CN117388136B (en) * | 2023-08-29 | 2024-04-30 | 中国矿业大学 | Self-calibration portable oscillating balance dust detector and use method thereof |
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