CN106872318A - A kind of device and method of high precision test haze particle - Google Patents
A kind of device and method of high precision test haze particle Download PDFInfo
- Publication number
- CN106872318A CN106872318A CN201710146528.3A CN201710146528A CN106872318A CN 106872318 A CN106872318 A CN 106872318A CN 201710146528 A CN201710146528 A CN 201710146528A CN 106872318 A CN106872318 A CN 106872318A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- video camera
- high precision
- precision test
- haze particle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002245 particle Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 244000144985 peep Species 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 20
- 230000003247 decreasing effect Effects 0.000 claims abstract description 4
- 239000002657 fibrous material Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 8
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
-
- 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
- G01N15/0272—Investigating particle size or size distribution with screening; with classification by filtering
-
- 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
- G01N2015/0288—Sorting the particles
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention discloses a kind of device and method of high precision test haze particle, device includes housing and data processing equipment, corresponding air intake vent and air outlet is offered on housing, air blower is provided with the air intake vent, the first filter screen that aperture is successively decreased successively is provided with from air intake vent to air outlet direction, second filter screen and the 3rd filter screen, the first peep hole is offered on housing between first filter screen and the second filter screen, the first video camera is provided with first peep hole, the second peep hole is offered on housing between second filter screen and the 3rd filter screen, the second video camera is provided with second peep hole, the 3rd peep hole is offered on housing between 3rd filter screen and air outlet, the 3rd video camera is provided with 3rd peep hole, first video camera, second video camera and the 3rd video camera are each coupled electrically to data processing equipment.Haze is taken pictures with high-speed camera, realizes accurately detecting haze granular size based on the high accuracy identification to image, its detection method is simple and high precision.
Description
Technical field
The present invention relates to haze detection field, device and side more particularly, to a kind of high precision test haze particle
Method.
Background technology
The haze problem of China is increasingly severe in recent years, by the extensive concern of various circles of society.To realize to haze
Effective control, it is desirable to have a kind of effective haze detection method.A kind of haze detection method is currently there are, that is, is passed through
Light is irradiated to haze particulate matter, and then studies the reflection of light, so as to realize the detection to haze.The method is more multiple
Miscellaneous and high precision test has much room for improvement.
The content of the invention
It is contemplated that at least solving above-mentioned technical problem to a certain extent.
Primary and foremost purpose of the invention is to overcome the existing defect that haze detection method is complex and precision is not high, there is provided one
Plant the device of high precision test haze particle.
The further object of the present invention is to provide a kind of device of high precision test haze particle.
In order to solve the above technical problems, technical scheme is as follows：
A kind of device of high precision test haze particle, including housing and data processing equipment, offer relative on housing
The air intake vent and air outlet answered, air blower is provided with the air intake vent, and be provided with aperture to air outlet direction from air intake vent passs successively
The first filter screen, the second filter screen and the 3rd filter screen for subtracting, offer the first observation on the housing between the first filter screen and the second filter screen
Hole, is provided with the first video camera at the first peep hole, the second peep hole is offered on the housing between the second filter screen and the 3rd filter screen,
The second video camera is provided with second peep hole, the 3rd peep hole, the 3rd are offered on the housing between the 3rd filter screen and air outlet
The 3rd video camera is provided with peep hole, the first video camera, the second video camera and the 3rd video camera are each coupled electrically to data processing and set
Standby, filter screen can increase and decrease with the series of video camera according to actual measurement demand.
In a kind of preferred scheme, the aperture of first filter screen, the second filter screen and the 3rd filter screen be followed successively by 10 μm,
2.5μm、0.1μm.Wherein 10 μm (PM10), 2.5 μm (PM2.5), 0.1 μm (PM0.1) are respectively conventional haze gradation
Standard.
In a kind of preferred scheme, first video camera, the second video camera and the 3rd video camera are high-speed camera
Machine.
In a kind of preferred scheme, the shooting direction of first video camera, the second video camera and the 3rd video camera is equal
Perpendicular to air-flow direction.
In a kind of preferred scheme, first filter screen, the second filter screen and the 3rd filter screen are using white fibrous material
Gauze.
In a kind of preferred scheme, the data processing equipment uses PC.
A kind of method of high precision test haze particle, is applied to the device of described high precision test haze particle, institute
The method of stating is comprised the following steps：
S1：Air containing haze particle is blown into enclosure interior cavity by air blower from air intake vent；
S2：Air sequentially passes through the first filter screen, the second filter screen and the 3rd filter screen and is discharged from air outlet；
S3：The first video camera, the second video camera and the 3rd video camera positioned at diverse location are taken pictures and are incited somebody to action to air
Image incoming data processing equipment.
S4：Data processing equipment is analyzed treatment to image, obtains real-time numbers of particles, position distribution.
In a kind of preferred scheme, in step S4, the specific method that treatment is analyzed to image is：Use Level-
Set methods process image, Level-Set equations are solved, to complete to image Ground Split, while to the movement locus of haze particle
It is tracked.
Level-Set methods are the material interface moved with the time to be regarded as zero contour surface of certain function phi (x, t), i.e.,
Constructed fuction φ (x, t) so that at any time, moving interface Γ (t) is just zero contour surface of φ (x, t).Due to any
At moment t, zero contour surface of φ (x, t) is exactly active interface, so function phi (x, t) meetsThis formula is
Level-Set equations.
In a kind of preferred scheme, methods described is further comprising the steps of：Real-time numbers of particles, position point will be obtained
Cloth automatic storage, forms a database for haze granular size on-line monitoring system.
Compared with prior art, the beneficial effect of technical solution of the present invention is：The present invention discloses a kind of high precision test mist
The device and method of haze particle, device includes housing and data processing equipment, corresponding air intake vent is offered on housing and is gone out
Air port, air blower is provided with the air intake vent, and the first filter screen, for successively decreasing successively in aperture are provided with from air intake vent to air outlet direction
Two filter screens and the 3rd filter screen, offer the first peep hole, at the first peep hole on the housing between the first filter screen and the second filter screen
The first video camera is provided with, the second peep hole is offered on the housing between the second filter screen and the 3rd filter screen, set at the second peep hole
There is the second video camera, the 3rd peep hole is offered on the housing between the 3rd filter screen and air outlet, is provided with the 3rd peep hole
Three video cameras, the first video camera, the second video camera and the 3rd video camera are each coupled electrically to data processing equipment.The present invention is at a high speed
Video camera is taken pictures to haze, realizes accurately detecting haze granular size based on the high accuracy identification to image,
Its detection method is simple and high precision.
Brief description of the drawings
Fig. 1 is the structural representation of the device of high precision test haze particle of the present invention.
Fig. 2 is the flow chart of the method for high precision test haze particle of the present invention.
Wherein：1st, housing；2nd, data processing equipment；3rd, air intake vent；4th, air outlet；5th, air blower；6th, the first filter screen；7th,
Two filter screens；8th, the 3rd filter screen；9th, the first video camera；10th, the second video camera；11st, the 3rd video camera.
Specific embodiment
Accompanying drawing being for illustration only property explanation, it is impossible to be interpreted as the limitation to this patent；
In order to more preferably illustrate the present embodiment, accompanying drawing some parts have omission, zoom in or out, and do not represent actual product
Size；
To those skilled in the art, it can be to understand that some known features and its explanation may be omitted in accompanying drawing
's.
Technical scheme is described further with reference to the accompanying drawings and examples.
Embodiment 1
As shown in figure 1, a kind of device of high precision test haze particle, including housing 1 and data processing equipment 2, housing
On offer corresponding air intake vent and air outlet, be provided with air blower at the air intake vent, set to air outlet direction from air intake vent
There are the first filter screen, the second filter screen and the 3rd filter screen that aperture is successively decreased successively, opened on the housing between the first filter screen and the second filter screen
The first peep hole is provided with, the first video camera is provided with the first peep hole, opened up on the housing between the second filter screen and the 3rd filter screen
There is the second peep hole, the second video camera is provided with the second peep hole, is offered on the housing between the 3rd filter screen and air outlet
Three peep holes, are provided with the 3rd video camera at the 3rd peep hole, the first video camera, the second video camera and the 3rd video camera are electrically connected
To data processing equipment.
In specific implementation process, filter screen can increase and decrease with the series of video camera according to actual measurement demand.
In specific implementation process, the aperture of first filter screen, the second filter screen and the 3rd filter screen is followed successively by 10 μm, 2.5 μ
m、0.1μm.Wherein 10 μm (PM10), 2.5 μm (PM2.5), 0.1 μm (PM0.1) are respectively conventional haze gradation scale.
In specific implementation process, first video camera, the second video camera and the 3rd video camera are high-speed camera.
In specific implementation process, the shooting direction of first video camera, the second video camera and the 3rd video camera is hung down
Directly in air-flow direction.
In specific implementation process, first filter screen, the second filter screen and the 3rd filter screen are using white fibrous material yarn
Cloth.
In specific implementation process, the data processing equipment uses PC.
Embodiment 2
As shown in Fig. 2 a kind of method of high precision test haze particle, is applied to the high precision test haze of embodiment 1
The device of particle, the described method comprises the following steps：
S1：Air containing haze particle is blown into enclosure interior cavity by air blower from air intake vent；
S2：Air sequentially passes through the first filter screen, the second filter screen and the 3rd filter screen and is discharged from air outlet；
S3：The first video camera, the second video camera and the 3rd video camera positioned at diverse location are taken pictures and are incited somebody to action to air
Image incoming data processing equipment.
S4：Data processing equipment is analyzed treatment to image, obtains real-time numbers of particles, position distribution.
S5：Real-time numbers of particles, position distribution automatic storage will be obtained, a haze granular size on-line monitoring will be formed
The database of system.
In specific implementation process, in step S4, the specific method that treatment is analyzed to image is：Use Level-Set
Method processes image, Level-Set equations is solved, to complete to image Ground Split, while entering to the movement locus of haze particle
Row is followed the trail of.
Level-Set methods are the material interface moved with the time to be regarded as zero contour surface of certain function phi (x, t), i.e.,
Constructed fuction φ (x, t) so that at any time, moving interface Γ (t) is just zero contour surface of φ (x, t).Due to any
At moment t, zero contour surface of φ (x, t) is exactly active interface, so function phi (x, t) meetsThis formula is
Level-Set equations.
The present invention is taken pictures with high-speed camera to haze, is realized to haze particle based on the high accuracy identification to image
Size accurately detected, its detection method is simple and high precision.
The same or analogous part of same or analogous label correspondence；
Term the being for illustration only property explanation of position relationship described in accompanying drawing, it is impossible to be interpreted as the limitation to this patent；
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.It is all this
Any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (9)
1. a kind of device of high precision test haze particle, it is characterised in that including housing and data processing equipment, opened on housing
Corresponding air intake vent and air outlet is provided with, air blower is provided with the air intake vent, hole is provided with to air outlet direction from air intake vent
The first filter screen, the second filter screen and the 3rd filter screen that footpath is successively decreased successively, offer on the housing between the first filter screen and the second filter screen
First peep hole, is provided with the first video camera at the first peep hole, is offered on the housing between the second filter screen and the 3rd filter screen
Two peep holes, are provided with the second video camera at the second peep hole, the 3rd sight is offered on the housing between the 3rd filter screen and air outlet
Hole is examined, the 3rd video camera is provided with the 3rd peep hole, the first video camera, the second video camera and the 3rd video camera are each coupled electrically to number
According to processing equipment.
2. the device of high precision test haze particle according to claim 1, it is characterised in that first filter screen,
The aperture of two filter screens and the 3rd filter screen is followed successively by 10 μm, 2.5 μm, 0.1 μm.
3. the device of high precision test haze particle according to claim 1, it is characterised in that first video camera,
Second video camera and the 3rd video camera are high-speed camera.
4. the device of high precision test haze particle according to claim 1, it is characterised in that first video camera,
The shooting direction of the second video camera and the 3rd video camera is each perpendicular to air-flow direction.
5. the device of high precision test haze particle according to claim 1, it is characterised in that first filter screen,
Two filter screens and the 3rd filter screen are using white fibrous material gauze.
6. the device of high precision test haze particle according to claim 1, it is characterised in that the data processing equipment
Using PC.
7. a kind of method of high precision test haze particle, the high precision test haze particle being applied to described in claim 1
Device, it is characterised in that the described method comprises the following steps：
S1：Air containing haze particle is blown into enclosure interior cavity by air blower from air intake vent；
S2：Air sequentially passes through the first filter screen, the second filter screen and the 3rd filter screen and is discharged from air outlet；
S3：The first video camera, the second video camera and the 3rd video camera positioned at diverse location are taken pictures and by image to air
Incoming data processing equipment.
S4：Data processing equipment is analyzed treatment to image, obtains real-time numbers of particles, position distribution.
8. the method for high precision test haze particle according to claim 7, it is characterised in that in step S4, to image
The specific method for being analyzed treatment is：Image is processed with Level-Set methods, Level-Set equations are solved, to complete to figure
As Ground Split, while being tracked to the movement locus of haze particle.
9. the method for high precision test haze particle according to claim 7, it is characterised in that methods described also include with
Lower step：
S5：Real-time numbers of particles, position distribution automatic storage will be obtained, a haze granular size on-line monitoring system will be formed
Database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146528.3A CN106872318A (en) | 2017-03-13 | 2017-03-13 | A kind of device and method of high precision test haze particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146528.3A CN106872318A (en) | 2017-03-13 | 2017-03-13 | A kind of device and method of high precision test haze particle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106872318A true CN106872318A (en) | 2017-06-20 |
Family
ID=59170710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710146528.3A Pending CN106872318A (en) | 2017-03-13 | 2017-03-13 | A kind of device and method of high precision test haze particle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106872318A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578835A (en) * | 2020-04-27 | 2020-08-25 | 南京航空航天大学 | Bird body motion track recognition and test device and method based on multilayer sheet light |
| CN111855507A (en) * | 2020-07-17 | 2020-10-30 | 北方民族大学 | Air particulate matter detection device and detection method |
| CN112179822A (en) * | 2020-08-27 | 2021-01-05 | 河海大学 | Environmental monitoring device for urban greening area |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940327A (en) * | 1988-10-25 | 1990-07-10 | Trc Companies Inc. | Method and apparatus for real time asbestos aerosol monitoring |
| CN203422311U (en) * | 2013-06-08 | 2014-02-05 | 天津新纶科技有限公司 | Equipment for testing easy-to-fall large particles and fibers of fabric |
| CN103558133A (en) * | 2013-11-11 | 2014-02-05 | 河南牧业经济学院 | Method and system for monitoring haze concentration based on image analyzing technology |
| CN205506632U (en) * | 2016-04-18 | 2016-08-24 | 周祎明 | Portable particulate matter detection appearance |
| CN205844019U (en) * | 2016-07-27 | 2016-12-28 | 广州托谱瑞电力科技股份有限公司 | Coal-fired plant boiler system coal-powder sampling device |
| CN106323822A (en) * | 2016-08-11 | 2017-01-11 | 哈尔滨工业大学 | Experimental device and method used for research on particle flow characteristic in bubbling fluidized bed |
| CN106353228A (en) * | 2016-08-19 | 2017-01-25 | 安徽奥创环境检测有限公司 | Portable air particulate matter tester |
-
2017
- 2017-03-13 CN CN201710146528.3A patent/CN106872318A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940327A (en) * | 1988-10-25 | 1990-07-10 | Trc Companies Inc. | Method and apparatus for real time asbestos aerosol monitoring |
| CN203422311U (en) * | 2013-06-08 | 2014-02-05 | 天津新纶科技有限公司 | Equipment for testing easy-to-fall large particles and fibers of fabric |
| CN103558133A (en) * | 2013-11-11 | 2014-02-05 | 河南牧业经济学院 | Method and system for monitoring haze concentration based on image analyzing technology |
| CN205506632U (en) * | 2016-04-18 | 2016-08-24 | 周祎明 | Portable particulate matter detection appearance |
| CN205844019U (en) * | 2016-07-27 | 2016-12-28 | 广州托谱瑞电力科技股份有限公司 | Coal-fired plant boiler system coal-powder sampling device |
| CN106323822A (en) * | 2016-08-11 | 2017-01-11 | 哈尔滨工业大学 | Experimental device and method used for research on particle flow characteristic in bubbling fluidized bed |
| CN106353228A (en) * | 2016-08-19 | 2017-01-25 | 安徽奥创环境检测有限公司 | Portable air particulate matter tester |
Non-Patent Citations (3)
| Title |
|---|
| 吴晓红等: "基于水平集和迭代自组织算法的图像分割", 《计算机工程与应用》 * |
| 罗小燕等: "基于图像处理的矿石粒度在线检测系统", 《仪表技术与传感器》 * |
| 辛登科等: "图像处理在粉末粒度在线检测系统中的应用", 《计算机工程与设计》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578835A (en) * | 2020-04-27 | 2020-08-25 | 南京航空航天大学 | Bird body motion track recognition and test device and method based on multilayer sheet light |
| CN111855507A (en) * | 2020-07-17 | 2020-10-30 | 北方民族大学 | Air particulate matter detection device and detection method |
| CN112179822A (en) * | 2020-08-27 | 2021-01-05 | 河海大学 | Environmental monitoring device for urban greening area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109550712B (en) | Chemical fiber filament tail fiber appearance defect detection system and method | |
| CN104749184B (en) | Automatic optical detection method and system | |
| CN106872318A (en) | A kind of device and method of high precision test haze particle | |
| US7424146B2 (en) | Defect inspection method | |
| CN104118609B (en) | Labeling quality determining method and device | |
| JP2001256480A (en) | Automatic picture classifying method and its device | |
| CN107063949A (en) | Measure the methods, devices and systems of mist droplet deposition distribution situation | |
| CN105139397B (en) | A kind of pcb board detection method and device | |
| CN109848073A (en) | A kind of apparatus and method for sorting coal and gangue | |
| JPH10506462A (en) | Method and apparatus for detecting inappropriate conditions for automated cytological scoring | |
| CN106548131A (en) | A kind of workmen's safety helmet real-time detection method based on pedestrian detection | |
| CN107966449A (en) | A kind of oil cleanliness detector and its detection method | |
| CN110020691A (en) | LCD screen defect inspection method based on the training of convolutional neural networks confrontation type | |
| CN114359155A (en) | Film laminating method and system | |
| CN108171269A (en) | A kind of medical instrument pattern recognition device | |
| DE602004000549T2 (en) | Localization of a point source of a visualized gas leak | |
| CN105427303B (en) | A kind of vision measurement and method of estimation of substation's legacy | |
| CN105548210A (en) | Detection method for American-standard power source extension wire based on machine vision | |
| CN106872483A (en) | Optical detection apparatus are solved because of the method for the aeration detection in transparent material | |
| Chauhan et al. | Effect of illumination techniques on machine vision inspection for automated assembly machines | |
| CN206470219U (en) | Pallet IC detection means | |
| Leipnitz et al. | The effect of image resolution in the human presence detection: A case study on real-world image data | |
| CN111008965A (en) | System and method for identifying morphological characteristics of cotton-flax blended fibers | |
| CN109470626A (en) | A kind of dust free room particulate contamination micro control system | |
| CN107367767A (en) | A kind of vent cabinet window foreign matter detecting method and system and a kind of controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |