CN108387491A - Photometer sensor device - Google Patents
Photometer sensor device Download PDFInfo
- Publication number
- CN108387491A CN108387491A CN201711112382.7A CN201711112382A CN108387491A CN 108387491 A CN108387491 A CN 108387491A CN 201711112382 A CN201711112382 A CN 201711112382A CN 108387491 A CN108387491 A CN 108387491A
- Authority
- CN
- China
- Prior art keywords
- light
- lens group
- room
- lens
- light scattering
- 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
- 238000000149 argon plasma sintering Methods 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 claims abstract description 15
- 230000003321 amplification Effects 0.000 claims abstract description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 8
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance 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
- G01N15/06—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
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 invention discloses a kind of photometer sensor devices, including light source, the first lens group, the second lens group, light scattering room, photodetector and amplification circuit module；The blue light that the light source is sent out enters light scattering room after the refraction of the first lens group and the second lens group, particle in tested gas makes the blue light originally along straightline propagation scatter after entering light scattering room, form scattering light, this dispersed optical signal becomes electric signal after photodetector, the electric signal is amplified through amplification circuit module and carries out signal sampling for sampler, the signal strength obtained according to sampling, you can calculate the mass particle concentration for being tested gas；Photometer sensor device of the present invention has the advantages that wide range of measurement, high resolution, at the same have it is simple in structure, convenient for adjust.
Description
Technical field
The present invention relates to a kind of wide range of measurement, high resolution, at the same it is simple in structure, convenient for the luminosity flowmeter sensor adjusted
Device.
Background technology
Photometric basic purposes is to detect and measure the concentration of substance in air, by acquire the particle in air come
The quality for reacting pure air is mainly used for measuring the integrality and leakage rate of high efficiency particulate air filter and super high efficient filter.Luminosity
Meter is very suitable for detecting the particle in air or gas in theory, and the mass concentration of a large amount of particles detected is shown
Out, the particle of micron grain size can be detected by photometer from 0.1 micron to 600, since photometer is capable of particle detection
Mass concentration, it is possible to be applied in many occasions, as clean room, laminar flow platform, Biohazard Safety Equipment, glove box, HEPA inhale
Dirt machine, HEPA filters, ulpa filter, negative pressure filtration device, operating room, nucleon filtration system, collects protection at HVAC system
Filter, science and technology research and development etc..And photometric performance quality relies primarily on the performance of luminosity flowmeter sensor.
For this purpose, we have developed a kind of wide range of measurement, high resolution, at the same it is simple in structure, convenient for the photometer adjusted
Sensor device.
Invention content
A kind of wide range of measurement, high resolution are provided the invention aims to overcome the deficiencies in the prior art, simultaneously
It is simple in structure, convenient for the photometer sensor device adjusted.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of photometer sensor device is provided, including light
Source, the first lens group, the second lens group, light scattering room, photodetector and amplification circuit module；The blue light warp that the light source is sent out
Enter light scattering room after crossing the refraction of the first lens group and the second lens group, the particle in tested gas makes after entering light scattering room
Originally it being scattered along the blue light of straightline propagation, and formed scattering light, this dispersed optical signal becomes electric signal after photodetector,
The electric signal is amplified through amplification circuit module and carries out signal sampling for sampler, according to the obtained signal strength of sampling,
The mass particle concentration of tested gas can be calculated.
Preferably, it is mounted on anti-dazzling screen on first lens and the second lens, passes through the first lens and the second lens
Refraction after, the light source into light scattering room forms a half-light area in light scattering room；Particle in tested gas enters light
It scatters the blue light originally along straightline propagation after scattering chamber, forms scattering light, the scattering light increases light scattering room
The variation of the light intensity in half-light area, the light intensity becomes electric signal after photodetector.
Due to the application of the above technical scheme, the present invention has following advantages compared with prior art：
Photometer sensor device of the present invention has the advantages that wide range of measurement, high resolution, at the same have it is simple in structure,
Convenient for adjusting.
Description of the drawings
Technical scheme of the present invention is further explained below in conjunction with the accompanying drawings：
Attached drawing 1 is the fundamental diagram of photometer sensor device of the present invention;
Wherein：1, light source；2, the first lens group；3, the second lens group；4, light scattering room；5, photodetector；6, amplifying circuit mould
Block.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is described in further details.
Attached drawing 1 is photometer sensor device of the present invention, including light source 1, the first lens group 2, the second lens group
3, light scattering room 4, photodetector 5, amplification circuit module 6；The blue light that the light source 1 is sent out passes through the first lens group 2 and second
Enter light scattering room 4 after the refraction of lens group 3, anti-dazzling screen is mounted on first lens, 2 and second lens 3（Do not show
Go out）, after the refraction by the first lens 2 and the second lens 3, the light source 3 into light scattering room 4 forms one in light scattering room
Half-light area；Particle in tested gas makes the blue light originally along straightline propagation scatter after entering light scattering room 4, forms scattering
Light, these scattering light increase the light intensity in the half-light area of light scattering room 4, and the variation of this light intensity becomes after photodetector 5
Electric signal, this electric signal are amplified through amplification circuit module 6 for sampler（It is not shown）Signal sampling is carried out, according to sampling
Obtained signal strength, you can calculate the mass particle concentration for being tested gas.
The shell of photometer sensor device of the present invention uses Magnet clamp, stable structure, reliable, solid.
Due to the application of the above technical scheme, the present invention has following advantages compared with prior art：
Photometer sensor device of the present invention has the advantages that wide range of measurement, high resolution, at the same have it is simple in structure,
Convenient for adjusting.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be implemented, and it is not intended to limit the scope of the present invention, all according to the present invention
Equivalent change or modification made by Spirit Essence should all cover within the scope of the present invention.
Claims (2)
1. photometer sensor device, it is characterised in that：Including light source, the first lens group, the second lens group, light scattering room, light
Detector and amplification circuit module；The blue light that the light source is sent out enters after the refraction of the first lens group and the second lens group
Light scattering room, the particle being tested in gas make the blue light originally along straightline propagation scatter after entering light scattering room, are formed and are dissipated
Light is penetrated, this dispersed optical signal becomes electric signal after photodetector, and the electric signal is amplified confession through amplification circuit module
Sampler carries out signal sampling, the signal strength obtained according to sampling, you can calculates the mass particle concentration for being tested gas.
2. photometer sensor device according to claim 1, it is characterised in that：On first lens and the second lens
Be mounted on anti-dazzling screen, after the refraction by the first lens and the second lens, into light scattering room light source in light scattering room
Form a half-light area；Particle in tested gas makes the blue light originally along straightline propagation scatter after entering light scattering room,
Scattering light is formed, the scattering light increases the light intensity in the half-light area of light scattering room, and photodetector is passed through in the variation of the light intensity
After become electric signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112382.7A CN108387491A (en) | 2017-11-13 | 2017-11-13 | Photometer sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112382.7A CN108387491A (en) | 2017-11-13 | 2017-11-13 | Photometer sensor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108387491A true CN108387491A (en) | 2018-08-10 |
Family
ID=63076837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711112382.7A Pending CN108387491A (en) | 2017-11-13 | 2017-11-13 | Photometer sensor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108387491A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4226533A (en) * | 1978-09-11 | 1980-10-07 | General Electric Company | Optical particle detector |
| CN103674798A (en) * | 2013-12-30 | 2014-03-26 | 合肥京东方光电科技有限公司 | Air dust detection instrument |
| CN104359815A (en) * | 2014-11-06 | 2015-02-18 | 北京中科诚毅科技发展有限公司 | Particulate matter mass concentration detector with self-purification system |
| CN205175881U (en) * | 2015-11-23 | 2016-04-20 | 深圳市力德环保工程有限公司 | Viscidity particulate matter consistency transmitter |
| CN106198458A (en) * | 2016-06-29 | 2016-12-07 | 首都师范大学 | Pollutant detector |
| CN205958420U (en) * | 2016-08-04 | 2017-02-15 | 安徽蓝盾光电子股份有限公司 | Light scattering particulate matter concentration detection device |
| CN207816769U (en) * | 2017-11-13 | 2018-09-04 | 苏州宏瑞净化科技有限公司 | Photometer sensor device |
-
2017
- 2017-11-13 CN CN201711112382.7A patent/CN108387491A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4226533A (en) * | 1978-09-11 | 1980-10-07 | General Electric Company | Optical particle detector |
| CN103674798A (en) * | 2013-12-30 | 2014-03-26 | 合肥京东方光电科技有限公司 | Air dust detection instrument |
| CN104359815A (en) * | 2014-11-06 | 2015-02-18 | 北京中科诚毅科技发展有限公司 | Particulate matter mass concentration detector with self-purification system |
| CN205175881U (en) * | 2015-11-23 | 2016-04-20 | 深圳市力德环保工程有限公司 | Viscidity particulate matter consistency transmitter |
| CN106198458A (en) * | 2016-06-29 | 2016-12-07 | 首都师范大学 | Pollutant detector |
| CN205958420U (en) * | 2016-08-04 | 2017-02-15 | 安徽蓝盾光电子股份有限公司 | Light scattering particulate matter concentration detection device |
| CN207816769U (en) * | 2017-11-13 | 2018-09-04 | 苏州宏瑞净化科技有限公司 | Photometer sensor device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10481070B2 (en) | Systems, devices, and methods for flow control and sample monitoring control | |
| CN104266947B (en) | Aerosol particle concentration sensor and detection method thereof | |
| KR101069042B1 (en) | A chamber configuration adapted for a particle detector having an inlet through which fluid is adapted to flow at a first velocity | |
| JP2016526671A (en) | Method and apparatus for dilution of aerosol | |
| WO2017054098A1 (en) | Optical particle counter | |
| CN103018145A (en) | Novel real-time PM2.5 (particulate matter 2.5) mass concentration monitoring device and monitoring method | |
| CN106483052A (en) | A kind of PM2.5 detector based on light scattering method | |
| CN106769724B (en) | Particulate matter sensor calibration system | |
| JP2020523601A (en) | Particle sensor and particle sensing method | |
| CN206470157U (en) | Measuring instrument with gas concentration and powder concentration measurement function | |
| CN106501143A (en) | A kind of measuring instrument with gas concentration and powder concentration measurement function | |
| CN205826469U (en) | PM2.5 laser sensor | |
| CN108181213A (en) | A kind of outdoor constant current pump suction type laser dust detection device | |
| CN207439873U (en) | Particle concentration detection device and air processor | |
| KR101932446B1 (en) | Subway Particulate Matter Monitoring method | |
| CN210665422U (en) | Automatic zero calibration device for measuring particulate matters by laser scattering method | |
| CN206074407U (en) | A kind of optical scatter thing（PM2.5/PM10）Monitor | |
| CN207816769U (en) | Photometer sensor device | |
| CN108387504A (en) | Particle collector is closed in cohesion | |
| CN104792676B (en) | The method that air nano-scale particle concentration is measured using ionization method | |
| WO2012060809A1 (en) | Nanoparticle detector | |
| CN108387491A (en) | Photometer sensor device | |
| KR102077692B1 (en) | Light scattering based dust sensor | |
| CN207600897U (en) | Photometer | |
| CN108120659A (en) | A kind of particle concentration detecting system and method having from zero calibration |
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 |