CN114018770B - Multifunctional dust detection device - Google Patents
Multifunctional dust detection device Download PDFInfo
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- CN114018770B CN114018770B CN202111394348.XA CN202111394348A CN114018770B CN 114018770 B CN114018770 B CN 114018770B CN 202111394348 A CN202111394348 A CN 202111394348A CN 114018770 B CN114018770 B CN 114018770B
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- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 98
- 238000001514 detection method Methods 0.000 title claims abstract description 78
- 239000002245 particle Substances 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
-
- 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
-
- 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
- G01N15/075—Investigating concentration of particle suspensions by optical means
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- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
A multifunctional dust detection device comprises a shell, a first laser emitter, a photoelectric sensor, a second laser emitter, a photoelectric detector, a spatial filter, a lens and a gesture adjusting mechanism; the shell is arranged on the gesture adjusting mechanism; an air duct, a dust concentration detection channel and a dust particle size detection channel are respectively arranged in the shell; the air duct is horizontally arranged, and the air inlet and the air outlet are provided with fans; the dust concentration detection channel is vertically arranged and communicated with the air duct in a crossing way; the first laser emitter is positioned at the top of the dust concentration detection channel, and the photoelectric sensor is positioned at the bottom of the dust concentration detection channel; the dust particle size detection channels are horizontally arranged and vertical to the dust concentration detection channels and are communicated with the air duct in a crossing way; the second laser emitter and the photoelectric detector are respectively positioned at two ends of the dust particle size detection channel; the spatial filter is positioned between the second laser transmitter and the air duct; the lens is positioned between the photoelectric detector and the air duct; an alarm is arranged outside the gesture adjusting mechanism; the top of the shell is provided with an air quantity sensor.
Description
Technical Field
The invention belongs to the technical field of dust detection, and particularly relates to a multifunctional dust detection device.
Background
When mining machinery equipment works underground, a large amount of dust can be generated, the dust can be quickly dissipated into the air along with underground ventilation air flow, if the dust content in the air is too high, the physical health of underground operators can be influenced, and safety accidents such as dust explosion and the like can be possibly caused, so that casualties of personnel and loss of equipment are caused.
Therefore, real-time detection of airborne dust is highly desirable for downhole operations. At present, the underground dust detection work mainly uses manual detection, but the data accuracy of the manual detection is lower, the detection mode is single, and meanwhile, the detection personnel are in a high-concentration dust environment for a long time, so that adverse effects on the health of the detection personnel are necessarily generated.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a multifunctional dust detection device which can simultaneously meet the detection of dust concentration, dust particle size and environmental air quantity, and the data collection is more convenient; the working range and the working angle can be automatically adjusted, and the adaptability of the device to the environment is enhanced; the alarm function is additionally arranged, and when the dust detection data exceeds a safety value, the alarm can be automatically triggered, so that safety guarantee is provided for underground operators.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a multifunctional dust detection device comprises a shell, a first laser emitter, a photoelectric sensor, a second laser emitter, a photoelectric detector, a spatial filter, a lens and a gesture adjusting mechanism; the shell is arranged on the gesture adjusting mechanism; an air duct, a dust concentration detection channel and a dust particle size detection channel are respectively arranged in the shell; the air duct is horizontally arranged in the shell, the dust collection fan is arranged at the air inlet of the air duct, and the dust discharge fan is arranged at the air outlet of the air duct; the dust concentration detection channel is vertically arranged in the shell and is communicated with the air duct in a crossing way; the first laser emitter is arranged at the top of the dust concentration detection channel, and the photoelectric sensor is arranged at the bottom of the dust concentration detection channel; the dust particle size detection channel is horizontally arranged in the shell, is vertical to the dust concentration detection channel and is communicated with the air duct in a crossing way; the second laser emitter is arranged at one end of the dust particle size detection channel, and the photoelectric detector is arranged at the other end of the dust particle size detection channel; the space filter is arranged in the dust particle size detection channel between the second laser emitter and the air duct; the lens is arranged in the dust particle size detection channel between the photoelectric detector and the air duct.
The gesture adjusting mechanism comprises a box body, a motor, a driving bevel gear, a driven bevel gear and an electric telescopic rod; the motor is horizontally and fixedly arranged outside the box body, and a motor shaft of the motor extends into the box body; the driving bevel gear is positioned in the box body, and a gear shaft of the driving bevel gear is coaxially connected with a motor shaft of the motor through a coupler; the electric telescopic rod is vertically arranged on the top box plate of the box body, the outer cylinder body of the electric telescopic rod is connected with the top box plate of the box body through a bearing, and the electric telescopic rod has a rotation degree of freedom relative to the box body; the inner support rod of the electric telescopic rod faces upwards and is positioned outside the box body, and the shell is fixedly arranged at the top end of the inner support rod of the electric telescopic rod; the driven bevel gear is positioned in the box body and is coaxially and fixedly sleeved on the outer cylinder of the electric telescopic rod; the drive bevel gear is meshed with the driven bevel gear.
An alarm is arranged outside the box body, and a warning lamp and a siren are arranged on the alarm.
An air quantity sensor is arranged at the top of the shell.
The invention has the beneficial effects that:
the multifunctional dust detection device can simultaneously meet the detection of dust concentration, dust particle size and environmental air quantity, and is more convenient in data collection; the working range and the working angle can be automatically adjusted, and the adaptability of the device to the environment is enhanced; the alarm function is additionally arranged, and when the dust detection data exceeds a safety value, the alarm can be automatically triggered, so that safety guarantee is provided for underground operators.
Drawings
FIG. 1 is a front view (cross-sectional view) of a multi-functional dust detection device of the present invention;
FIG. 2 is a top view (cross-sectional) of a multi-functional dust detection device of the present invention;
in the figure, 1-shell, 2-first laser emitter, 3-photoelectric sensor, 4-second laser emitter, 5-photoelectric detector, 6-space filter, 7-lens, 8-wind channel, 9-dust concentration detection channel, 10-dust particle size detection channel, 11-dust collection fan, 12-dust discharge fan, 13-box, 14-motor, 15-driving bevel gear, 16-driven bevel gear, 17-electric telescopic rod, 18-coupling, 19-bearing, 20-alarm and 21-air volume sensor.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1 and 2, a multifunctional dust detection device comprises a shell 1, a first laser emitter 2, a photoelectric sensor 3, a second laser emitter 4, a photoelectric detector 5, a spatial filter 6, a lens 7 and a gesture adjusting mechanism; the shell 1 is arranged on the gesture adjusting mechanism; an air duct 8, a dust concentration detection channel 9 and a dust particle diameter detection channel 10 are respectively arranged in the shell 1; the air duct 8 is horizontally arranged in the shell 1, a dust collection fan 11 is arranged at an air inlet of the air duct 8, and a dust discharge fan 12 is arranged at an air outlet of the air duct 8; the dust concentration detection channel 9 is vertically arranged in the shell 1, and the dust concentration detection channel 9 is communicated with the air duct 8 in a crossing way; the first laser emitter 2 is arranged at the top of the dust concentration detection channel 9, and the photoelectric sensor 3 is arranged at the bottom of the dust concentration detection channel 9; the dust particle size detection channel 10 is horizontally arranged in the shell 1, the dust particle size detection channel 10 is vertical to the dust concentration detection channel 9, and the dust particle size detection channel 10 is communicated with the air duct 8 in a crossing way; the second laser emitter 4 is arranged at one end of the dust particle size detection channel 10, and the photoelectric detector 5 is arranged at the other end of the dust particle size detection channel 10; the space filter 6 is arranged in the dust particle size detection channel 10 between the second laser transmitter 4 and the air duct 8; the lens 7 is arranged inside the dust particle diameter detection channel 10 between the photodetector 5 and the air duct 8.
The gesture adjusting mechanism comprises a box 13, a motor 14, a driving bevel gear 15, a driven bevel gear 16 and an electric telescopic rod 17; the motor 14 is horizontally and fixedly arranged outside the box body 13, and a motor shaft of the motor 14 extends into the box body 13; the drive bevel gear 15 is positioned in the box body 13, and a gear shaft of the drive bevel gear 15 is coaxially connected with a motor shaft of the motor 14 through a coupler 18; the electric telescopic rod 17 is vertically arranged on the top box plate of the box body 13, the outer cylinder body of the electric telescopic rod 17 is connected with the top box plate of the box body 13 through a bearing 19, and the electric telescopic rod 17 has a rotation degree of freedom relative to the box body 13; the inner support rod of the electric telescopic rod 17 faces upwards and is positioned outside the box body 13, and the shell 1 is fixedly arranged at the top end of the inner support rod of the electric telescopic rod 17; the driven bevel gear 16 is positioned in the box body 13, and the driven bevel gear 16 is coaxially and fixedly sleeved on the outer cylinder of the electric telescopic rod 17; the drive bevel gear 15 meshes with a driven bevel gear 16.
An alarm 20 is arranged outside the box 13, and a warning lamp and a warning flute are arranged on the alarm 20.
An air volume sensor 21 is mounted on the top of the housing 1.
The following describes a one-time use procedure of the present invention with reference to the accompanying drawings:
firstly, the multifunctional dust detection device is installed at a dust detection point in the pit, and then the dust suction fan 11 and the dust discharge fan 12 are synchronously started, so that stable dust-containing air flow is generated in the air duct 8.
When dust concentration is detected, laser emitted by the first laser emitter 2 passes through dust-containing air flow in the air duct 8 and then reaches the photoelectric sensor 3, and dust concentration data can be obtained after laser signals are processed by the photoelectric sensor 3.
When dust particle size detection is carried out, laser emitted by the second laser emitter 4 sequentially passes through the space filter 6, dust-containing airflow in the air duct 8 and the lens 7 and then reaches the photoelectric detector 5, and diffraction light energy signals generated by laser irradiation of dust particles are processed by the photoelectric detector 5 to obtain dust particle size data.
In the dust concentration and dust particle size detection process, the air quantity sensor 21 at the top of the shell 1 is used for directly acquiring the environmental air quantity so as to judge the working condition.
When dust detection work is required to be carried out at different heights of the dust detection points, the electric telescopic rod 17 can be started to control the elongation of the supporting rod in the electric telescopic rod, so that the change of the height position of the shell 1 is realized, and the automatic adjustment of the working range is realized.
When dust detection work is required to be carried out at different angles of the dust detection point, the motor 14 can be started, the driving bevel gear 15, the driven bevel gear 16 and the electric telescopic rod 17 are sequentially driven to rotate through the motor 14, the shell 1 is driven to horizontally rotate, and further the change of the angle position of the shell 1 is realized, so that the automatic adjustment of the working angle is realized.
In the dust detection process, if a certain item of detection data exceeds a safety value, the alarm 20 can be triggered and started at the first time, and the alarm lamp sends out light to warn, and meanwhile, the alarm whistle sends out sound to warn, so that safety guarantee is provided for underground operators.
The embodiments are not intended to limit the scope of the invention, but rather are intended to cover all equivalent implementations or modifications that can be made without departing from the scope of the invention.
Claims (1)
1. A multifunctional dust detection device is characterized in that: comprises a shell, a first laser emitter, a photoelectric sensor, a second laser emitter, a photoelectric detector, a spatial filter, a lens and a gesture adjusting mechanism; the shell is arranged on the gesture adjusting mechanism; an air duct, a dust concentration detection channel and a dust particle size detection channel are respectively arranged in the shell; the air duct is horizontally arranged in the shell, the dust collection fan is arranged at the air inlet of the air duct, and the dust discharge fan is arranged at the air outlet of the air duct; the dust concentration detection channel is vertically arranged in the shell and is communicated with the air duct in a crossing way; the first laser emitter is arranged at the top of the dust concentration detection channel, and the photoelectric sensor is arranged at the bottom of the dust concentration detection channel; the dust particle size detection channel is horizontally arranged in the shell, is vertical to the dust concentration detection channel and is communicated with the air duct in a crossing way; the second laser emitter is arranged at one end of the dust particle size detection channel, and the photoelectric detector is arranged at the other end of the dust particle size detection channel; the space filter is arranged in the dust particle size detection channel between the second laser emitter and the air duct; the lens is arranged in the dust particle size detection channel between the photoelectric detector and the air duct; the gesture adjusting mechanism comprises a box body, a motor, a driving bevel gear, a driven bevel gear and an electric telescopic rod; the motor is horizontally and fixedly arranged outside the box body, and a motor shaft of the motor extends into the box body; the driving bevel gear is positioned in the box body, and a gear shaft of the driving bevel gear is coaxially connected with a motor shaft of the motor through a coupler; the electric telescopic rod is vertically arranged on the top box plate of the box body, the outer cylinder body of the electric telescopic rod is connected with the top box plate of the box body through a bearing, and the electric telescopic rod has a rotation degree of freedom relative to the box body; the inner support rod of the electric telescopic rod faces upwards and is positioned outside the box body, and the shell is fixedly arranged at the top end of the inner support rod of the electric telescopic rod; the driven bevel gear is positioned in the box body and is coaxially and fixedly sleeved on the outer cylinder of the electric telescopic rod; the driving bevel gear is meshed with the driven bevel gear; an alarm is arranged outside the box body, and a warning lamp and a siren are arranged on the alarm; an air quantity sensor is arranged at the top of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111394348.XA CN114018770B (en) | 2021-11-23 | 2021-11-23 | Multifunctional dust detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111394348.XA CN114018770B (en) | 2021-11-23 | 2021-11-23 | Multifunctional dust detection device |
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| Publication Number | Publication Date |
|---|---|
| CN114018770A CN114018770A (en) | 2022-02-08 |
| CN114018770B true CN114018770B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111394348.XA Active CN114018770B (en) | 2021-11-23 | 2021-11-23 | Multifunctional dust detection device |
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| CN (1) | CN114018770B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114894684B (en) * | 2022-04-06 | 2025-03-21 | 江苏吉华电子科技有限公司 | A high-precision dust concentration detector with automatic compensation function |
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| CN206557993U (en) * | 2017-01-16 | 2017-10-13 | 贵州省交通科学研究院股份有限公司 | A kind of temporary traffic indicator lamp with atmospheric cleaning function |
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| CN112033725A (en) * | 2020-08-20 | 2020-12-04 | 江苏鸿渐投资咨询管理有限公司 | Portable soil detects uses collection system |
| CN112245217A (en) * | 2020-10-23 | 2021-01-22 | 陈飞 | Medical vestibule rehabilitation therapeutic apparatus |
| CN113039427A (en) * | 2018-11-19 | 2021-06-25 | 三星电子株式会社 | Multi-mode dust sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9487415B2 (en) * | 2013-03-15 | 2016-11-08 | Caloris Engineering, LLC | Mobile mechanical vapor recompression evaporator |
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2021
- 2021-11-23 CN CN202111394348.XA patent/CN114018770B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1385034A1 (en) * | 1986-03-28 | 1988-03-30 | Институт высоких температур АН СССР | Device for measuring sizes and account concentration of disperse particles |
| EP1972925A1 (en) * | 2005-12-28 | 2008-09-24 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas analyzing device and exhaust gas analyzing method |
| CN101509931A (en) * | 2009-03-16 | 2009-08-19 | 浙江大学 | Method and apparatus for on-line measuring two-dimension speed and particle size distribution of granules in pipe |
| CN202460877U (en) * | 2012-01-19 | 2012-10-03 | 辽宁工程技术大学 | Coal mine underground high-pressure single-phase flow dust removal nozzle |
| WO2013177952A1 (en) * | 2012-05-31 | 2013-12-05 | 中铝国际工程股份有限公司 | Large downstream tank type incinerator |
| CN103604731A (en) * | 2013-11-25 | 2014-02-26 | 中煤科工集团重庆研究院有限公司 | Anti-pollution dust detection mechanism |
| CN103837451A (en) * | 2014-02-28 | 2014-06-04 | 苏州亿利安机电科技有限公司 | Dust sensor for on-line monitoring of dust concentration |
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| CN112245217A (en) * | 2020-10-23 | 2021-01-22 | 陈飞 | Medical vestibule rehabilitation therapeutic apparatus |
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| CN114018770A (en) | 2022-02-08 |
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