CN108387492A - Photometer - Google Patents
Photometer Download PDFInfo
- Publication number
- CN108387492A CN108387492A CN201711112383.1A CN201711112383A CN108387492A CN 108387492 A CN108387492 A CN 108387492A CN 201711112383 A CN201711112383 A CN 201711112383A CN 108387492 A CN108387492 A CN 108387492A
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- China
- Prior art keywords
- light
- sample gas
- lens
- module
- long
- Prior art date
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- 239000000523 sample Substances 0.000 claims abstract description 68
- 239000002245 particle Substances 0.000 claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 16
- 238000000149 argon plasma sintering Methods 0.000 claims description 31
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 238000012827 research and development Methods 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
-
- 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
- G01N2015/0096—Investigating consistence of powders, dustability, dustiness
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 photometers, including host machine part and remote probe part；The host machine part, by the dust particle concentration of local sample gas, is transmitted to colorful LCD MODULE and is shown for acquiring local sample gas；The remote probe part is used to acquire long-range sample gas remotely, and by the dust particle concentration of long-range sample gas, and send the wireless receiving module of remote probe part to by the wireless sending module in microprocessor control module, then it is shown on the display screen of remote probe part, user is facilitated to check；Photometer of the present invention is provided with remote probe, can be used for acquiring the sample gas farther out apart from host；Have the advantages that wide range of measurement, high resolution simultaneously, and simple in structure, convenient for adjusting.
Description
Technical field
The present invention relates to a kind of long-range sample gas that can be used for acquiring apart from host farther out；There is measurement range simultaneously
Extensively, the advantages of high resolution, and it is simple in structure, convenient for the photometer adjusted.
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.；Existing photometer cannot meet production, living needs.
For this purpose, we have developed a kind of long-range sample gas that can be used for acquiring apart from host farther out；There is survey simultaneously
The advantages of measuring wide range, high resolution, and it is simple in structure, convenient for the photometer adjusted.
Invention content
One kind is provided the invention aims to overcome the deficiencies in the prior art to can be used for acquiring apart from host farther out
Long-range sample gas；Have the advantages that wide range of measurement, high resolution simultaneously, and simple in structure, convenient for the luminosity adjusted
Meter.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of photometer is provided, including host machine part and remote
Journey probe segment；The host machine part includes light source, the first lens, the second lens, light scattering room, photoelectric converter, amplification electricity
Road module, AD acquisition modules, microprocessor control module, colorful LCD MODULE, exhaust outlet and local sample gas acquisition
Mouthful；After refraction of the blue light that the light source is sent out by the first lens and the second lens, into light scattering room, first lens
It is mounted on anti-dazzling screen on the second lens, after the refraction by the first lens and the second lens, into the light source of light scattering room
A half-light area is formed in light scattering room；Local sample gas enters light scattering room by local sample gas acquisition port, by arranging
Gas port is discharged；Dust particle in local sample gas makes the blue light generation originally along straightline propagation dissipate after entering light scattering room
It penetrates, forms scattering light, the scattering light increases the light intensity in the half-light area of light scattering room, and the variation of the light intensity turns by photoelectricity
Become electric signal after parallel operation；The electric signal is amplified through amplification circuit module and carries out signal sampling for AD acquisition modules, micro-
Processor control module calculates the dust particle concentration of local sample gas according to the sampled signal of AD acquisition modules, and will be described
Dust particle concentration is transmitted to colorful LCD MODULE and is shown；
Remote probe part, including long-range sample gas acquisition port；The remote probe part is used to acquire remotely long-range
Sample gas, long-range sample gas enter light scattering room by long-range sample gas acquisition port, are discharged by exhaust outlet；Long-range sample gas
Dust particle in body makes the blue light originally along straightline propagation scatter after entering light scattering room, forms scattering light, described to dissipate
The light intensity that light increases the half-light area of light scattering room is penetrated, the variation of the light intensity becomes electric signal after photoelectric converter；Institute
It states electric signal to be amplified for AD acquisition modules progress signal sampling through amplification circuit module, microprocessor control module is according to AD
The sampled signal of sampling module calculates the dust particle concentration of long-range sample gas, and passes through the nothing in microprocessor control module
Line sending module sends the wireless receiving module of remote probe part to, is then shown on the display screen of remote probe part,
User is facilitated to check.
Due to the application of the above technical scheme, the present invention has following advantages compared with prior art：
Photometer of the present invention is provided with remote probe, can be used for acquiring the sample gas farther out apart from host；Have simultaneously
There is the advantages of wide range of measurement, high resolution, and 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 photometric fundamental diagram of the present invention;
Wherein：1, host machine part；2, remote probe part；3, light source；4, the first lens；5, the second lens；6, light scattering room；7、
Photoelectric converter；8, amplification circuit module；9, AD acquisition modules；10, microprocessor control module；11, colorful liquid crystal display mode
Block；12, exhaust outlet；13, local sample gas acquisition port；14, long-range sample gas acquisition port.
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 of the present invention, including host machine part 1 and remote probe part 2；The host machine part 1
Including light source 3, the first lens 4, the second lens 5, light scattering room 6, photoelectric converter 7, amplification circuit module 8, AD acquisition modules
9, microprocessor control module 10, colorful LCD MODULE 11, exhaust outlet 12 and local sample gas acquisition port 13；The light
After refraction of the blue light that source 3 is sent out by the first lens 4 and the second lens 5, into light scattering room 6, due to the first lens 4 and
It is mounted on anti-dazzling screen on two lens 5, so after the refraction by the first lens 4 and the second lens 5, into light scattering room 6
Light source forms a half-light area in light scattering room 6；Local sample gas enters light scattering by local sample gas acquisition port 13
Room 6 is discharged by exhaust outlet 12；Dust particle in local sample gas makes originally after entering light scattering room 6 along straightline propagation
Blue light scatters, and forms scattering light, these scattering light increase the light intensity in the half-light area of light scattering room 6, the change of this light intensity
Change becomes electric signal after photoelectric converter 7；The electric signal is amplified through amplification circuit module 8 for AD acquisition modules 9
Signal sampling is carried out, microprocessor control module 10 calculates the dirt of local sample gas according to the sampled signal of AD acquisition modules 9
Angstrom particle concentration, and the dust particle concentration is transmitted to colorful LCD MODULE 11 and is shown.
Remote probe part 2, including long-range sample gas acquisition port 14；The remote probe part 2 is for acquiring farther out
The long-range sample gas at place, long-range sample gas enters light scattering room 6 by long-range sample gas acquisition port 14, by 12 row of exhaust outlet
Go out；Dust particle in long-range sample gas makes the blue light originally along straightline propagation scatter after entering light scattering room 6, is formed
Light is scattered, these scattering light increase the light intensity in the half-light area of light scattering room 6, and photoelectric converter 7 is passed through in the variation of this light intensity
After become electric signal；The electric signal is amplified through amplification circuit module 8 and carries out signal sampling, micro- place for AD acquisition modules 9
Reason device control module 10 calculates the dust particle concentration of long-range sample gas according to the sampled signal of AD acquisition modules 9, and passes through
Wireless sending module in microprocessor control module 10（It is not shown）Send the wireless receiving module of remote probe part 2 to
（It is not shown）, then it is shown on the display screen of remote probe part 2, user is facilitated to check.
Due to the application of the above technical scheme, the present invention has following advantages compared with prior art：
Photometer of the present invention is provided with remote probe, can be used for acquiring the sample gas farther out apart from host；Have simultaneously
There is the advantages of wide range of measurement, high resolution, and 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 (1)
1. photometer, it is characterised in that：Including host machine part and remote probe part；The host machine part includes light source, first
It is lens, the second lens, light scattering room, photoelectric converter, amplification circuit module, AD acquisition modules, microprocessor control module, more
Color LCD MODULE, exhaust outlet and local sample gas acquisition port；The blue light that the light source is sent out passes through the first lens and
After the refraction of two lens, into light scattering room, it is mounted on anti-dazzling screen on first lens and the second lens, thoroughly by first
After the refraction of mirror and the second lens, the light source into light scattering room forms a half-light area in light scattering room；Local sample gas
Body enters light scattering room by local sample gas acquisition port, is discharged by exhaust outlet；Dust particle in local sample gas enters
It scatters the blue light originally along straightline propagation behind light scattering room, forms scattering light, the scattering light increases light scattering room
Half-light area light intensity, the variation of the light intensity becomes electric signal after photoelectric converter；The electric signal is through amplifying circuit
Module is amplified carries out signal sampling for AD acquisition modules, and microprocessor control module is according to the sampled signals of AD acquisition modules
The dust particle concentration of local sample gas is calculated, and the dust particle concentration is transmitted to colorful LCD MODULE and is carried out
Display；
Remote probe part, including long-range sample gas acquisition port；The remote probe part is used to acquire remotely long-range
Sample gas, long-range sample gas enter light scattering room by long-range sample gas acquisition port, are discharged by exhaust outlet；Long-range sample gas
Dust particle in body makes the blue light originally along straightline propagation scatter after entering light scattering room, forms scattering light, described to dissipate
The light intensity that light increases the half-light area of light scattering room is penetrated, the variation of the light intensity becomes electric signal after photoelectric converter；Institute
It states electric signal to be amplified for AD acquisition modules progress signal sampling through amplification circuit module, microprocessor control module is according to AD
The sampled signal of sampling module calculates the dust particle concentration of long-range sample gas, and passes through the nothing in microprocessor control module
Line sending module sends the wireless receiving module of remote probe part to, is then shown on the display screen of remote probe part,
User is facilitated to check.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112383.1A CN108387492A (en) | 2017-11-13 | 2017-11-13 | Photometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112383.1A CN108387492A (en) | 2017-11-13 | 2017-11-13 | Photometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108387492A true CN108387492A (en) | 2018-08-10 |
Family
ID=63075929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711112383.1A Pending CN108387492A (en) | 2017-11-13 | 2017-11-13 | Photometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108387492A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125749A (en) * | 1990-09-24 | 1992-06-30 | The Dow Chemical Company | Probe for photoacoustic analysis |
| JP2010175498A (en) * | 2009-02-02 | 2010-08-12 | National Institute Of Advanced Industrial Science & Technology | Airlight spectral intensity gauge |
| CN101813602A (en) * | 2010-05-10 | 2010-08-25 | 苏州市海魄洁净环境工程有限公司 | Multipoint detection device of dust particle |
| US20110304850A1 (en) * | 2010-06-15 | 2011-12-15 | Shin Nippon Air Technologies Co., L | Particle concentration measuring device |
| CN102428377A (en) * | 2009-05-12 | 2012-04-25 | 赛默飞世尔科技有限公司 | Particulate detection and calibration of sensors |
| CN103364316A (en) * | 2013-06-29 | 2013-10-23 | 天津大学 | Multi-refractive index particle size multi-point measurement device and method based on optical fiber connection |
| US20150077737A1 (en) * | 2013-08-09 | 2015-03-19 | Cnry Inc. | System and methods for monitoring an environment |
| US20150138355A1 (en) * | 2013-11-15 | 2015-05-21 | The Boeing Company | Visual Detection of Volcanic Plumes |
| 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 |
| US20170241893A1 (en) * | 2016-02-19 | 2017-08-24 | Research Triangle Institute | Devices, systems and methods for detecting particles |
| CN207600897U (en) * | 2017-11-13 | 2018-07-10 | 苏州宏瑞净化科技有限公司 | Photometer |
-
2017
- 2017-11-13 CN CN201711112383.1A patent/CN108387492A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125749A (en) * | 1990-09-24 | 1992-06-30 | The Dow Chemical Company | Probe for photoacoustic analysis |
| JP2010175498A (en) * | 2009-02-02 | 2010-08-12 | National Institute Of Advanced Industrial Science & Technology | Airlight spectral intensity gauge |
| CN102428377A (en) * | 2009-05-12 | 2012-04-25 | 赛默飞世尔科技有限公司 | Particulate detection and calibration of sensors |
| CN101813602A (en) * | 2010-05-10 | 2010-08-25 | 苏州市海魄洁净环境工程有限公司 | Multipoint detection device of dust particle |
| US20110304850A1 (en) * | 2010-06-15 | 2011-12-15 | Shin Nippon Air Technologies Co., L | Particle concentration measuring device |
| CN103364316A (en) * | 2013-06-29 | 2013-10-23 | 天津大学 | Multi-refractive index particle size multi-point measurement device and method based on optical fiber connection |
| US20150077737A1 (en) * | 2013-08-09 | 2015-03-19 | Cnry Inc. | System and methods for monitoring an environment |
| US20150138355A1 (en) * | 2013-11-15 | 2015-05-21 | The Boeing Company | Visual Detection of Volcanic Plumes |
| 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 |
| US20170241893A1 (en) * | 2016-02-19 | 2017-08-24 | Research Triangle Institute | Devices, systems and methods for detecting particles |
| CN207600897U (en) * | 2017-11-13 | 2018-07-10 | 苏州宏瑞净化科技有限公司 | Photometer |
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