CN205562341U - Aerosol real -time supervision appearance - Google Patents
Aerosol real -time supervision appearance Download PDFInfo
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- CN205562341U CN205562341U CN201620119226.8U CN201620119226U CN205562341U CN 205562341 U CN205562341 U CN 205562341U CN 201620119226 U CN201620119226 U CN 201620119226U CN 205562341 U CN205562341 U CN 205562341U
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Abstract
The utility model provides a biological and abiotic aerosol real -time supervision appearance, include: the laser lamp -house subassembly for send laser beam and arouse the position to produce linear laser facula at the particle of the air current that awaits measuring, sealed optoelectronic measuring room, laser lamp -house component Assembly is at the laser entry mouth of sealed optoelectronic measuring room rear end, optoelectronic measuring is indoor in the sealed, and the laser beam direction of advance optical axis that await measuring air current and laser lamp -house subassembly sent intersects the particle that belongs to in linear laser facula and arouses the position, scattered light signal reflection mirror and fluorescence signal reflection mirror to the offside symmetric placement is controlled for the center to the laser beam that the laser lamp -house subassembly sent and the crossing measuring point that forms of air current that awaits measuring, scattered light signal probe and fluorescence signal probe install respectively at the rear of the fluorescence signal speculum and the center trompil of scattered light signal reflection mirror, are used for respectively surveying and pass the scattered light signal and the the fluorescence signal of speculum trompil, the utility model discloses possess the on -line monitoring ability, take accommodating.
Description
Technical field
This utility model relates to a kind of air purity real-time watch device, can realize dust particle and the concentration of biomone and particle diameter in air and measure.
Background technology
Many industries, such as medicine, electronics, precision optical machinery, microorganism etc., air purity in its Factory Building, ward there is a requirement the highest, the clean rank of clean room generally has 2 index systems, one is the granule number in unit volumes of air, and it two is the micro organism quantity in unit volumes of air.Wherein, previous index many uses laser dust particle counter is measured；The instruments such as later index many employings borne bacteria sampler, sample to the microorganism in air, then cultivate, count, according to the most anti-quantity extrapolating unit volume microbes in air of result.
For the detection of microbes in air index, sampling culture method spent time and manpower are more, especially all the more so when frequently measuring multiple positions.Additionally, due to sampling culture method is not the technological means of a kind of real-time, it is impossible to the links such as realizing on-line monitoring formula and measure, its result often needs 24 hours or the more time could obtain, this delayed Quality Control often given in producing bring bigger puzzlement.For solving this problem, the newest technology is successively emerged in large numbers, the most that it is widely recognized that laser excitation bioluminescence Detection Techniques.Microorganism (mainly antibacterial) in air is internal typically contains the fluorophors such as riboflavin, NADH, tryptophan, tyrosine, when the laser by special wavelength irradiates, the fluorescence of specific wavelength can be sent, by detecting and analyzing corresponding fluorescence signal, the on-line monitoring of single microbial can be realized.The representative advocate of this technology is Jim.Ho(United States Patent (USP), the patent No. 5895922, Fluorescent biological particle detection system), it successively uses pulse laser and continuous output type flush semiconductor laser to achieve the synchronous detecting of the particle diameter of single microbial, fluorescence parameter in air as light source, but its particle size data calculates based on aerodynamic size principle, it is necessary to use sheath stream (sheath
Flow) sample introduction form, retrains air-flow to be measured, further, it is necessary to laser is carried out fine adjustment, to form 2 bundle collimated light beams in particle direction of advance to be measured, this just greatly limit it and measure flow, adds system complexity and volume weight.Jiang's arrow equality (United States Patent (USP), patent No. 20070013910A1, Pathogen and particle detector system and method) use continuous output type flush semiconductor laser to achieve single-particle scattering particle diameter and the synchronous detecting of fluorescence parameter as light source, it utilizes the forward-scattering signal of particle to achieve the tolerance of particle diameter, utilize ellipsoidal mirror to receive fluorescence signal and achieve the differentiation that single-particle is biological, owing to it utilizes the forward scattering light of particle as measuring one of object, and laser energy in the forward direction is stronger, light beam must be decayed, absorptions etc. process meticulously, to eliminate its impact that scattered light detection is brought；Additionally, in that patent, the needs collected with optical signal due to optical measurement, must perforate move air through the 1st focus of ellipsoidal mirror bottom ellipsoid, in order to realize this purpose, reflecting mirror must have certain bore, and this just brings certain impact to the miniaturization of instrument.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of aerosol real-time monitor possessing on-line monitoring ability, portable convenience is provided, system complexity and volume/weight, lowering apparatus cost can be reduced on the premise of ensureing detection accuracy.The technical solution adopted in the utility model is:
A kind of aerosol real-time detector, including:
Laser light source module, is used for sending laser beam, and produces linear laser hot spot in particle excitated position；
Sealed photoelectric measurement room, is used for being passed through air-flow to be measured, and forms closed environment, prevents external environmental light and particle from testing result is produced impact；Laser light source module is assemblied in the laser light incident mouth of rear end, sealed photoelectric measurement room and laser light incident implication is sealed；Indoor at sealed photoelectric measurement, the laser beam direction of advance optical axis that air-flow to be measured and laser light source module send intersects at the particle excitated position at linear laser hot spot place；
Centered by scattered light signal reflecting mirror and fluorescence signal reflecting mirror, the laser beam sent by laser light source module and air-flow to be measured intersect the measurement point formed, left and right offside is placed；It is indoor that scattered light signal reflecting mirror and the respective reflecting surface of fluorescence signal reflecting mirror are positioned at sealed photoelectric measurement；Wherein, scattered light signal reflecting mirror and fluorescence signal reflecting mirror are respectively used to collect the scattered light produced after particle to be measured is irradiated by laser beam in air-flow to be measured and fluorescence, and respectively to to reflection；Scattered light signal reflecting mirror and the respective center drilling of fluorescence signal reflecting mirror, be respectively used to supply the fluorescence come to reflection and scatter light through；
Scattered light signal detector and fluorescence signal detector, be separately mounted to fluorescence signal reflecting mirror and the rear of scattered light signal mirror center perforate, is respectively used to detect the scattered light signal through reflecting mirror perforate and fluorescence signal；
Delustring reflecting mirror, is arranged on the laser emitting mouth of front end, sealed photoelectric measurement room, and keeps laser emitting implication to seal；Delustring reflecting mirror is used for absorbing fraction of laser light, and by residue laser-bounce to the light trapping arranged in delustring reflecting mirror side；
Light trapping, is arranged on delustring reflecting mirror side, absorbs residue laser.
Further, described laser light source module include cooling piece, light source circuit board, for producing the laser diode of laser, laser diode position adjustments frame, light-source structure fixed block, coquille, band is logical launches optical filter, mirror group fixed block, cylindrical mirror, delustring pipe；Wherein, coquille, logical optical filter, cylindrical mirror and the delustring pipe launched of band constitute shaping mirror group；
Coquille and band is logical launch optical filter one after be fixed on mirror group fixed block before one；Mirror group fixed block is located in light-source structure fixed block and can be along the axial adjusting position of laser；Cylindrical mirror is positioned at band logical transmitting optical filter dead ahead, is arranged on outside the laser light incident mouth of rear end, sealed photoelectric measurement room, and the laser light incident mouth before cylindrical mirror installation site is provided with sealing ring；Inside the laser light incident mouth of delustring pipe embedding sealing formula photoelectric measurement room, it is positioned at cylindrical mirror dead ahead；Light-source structure fixed block is fixed on outside rear end, sealed photoelectric measurement room；
Laser diode is welded on light source circuit board, and light source circuit board is fixed on laser diode position adjustments frame；Laser diode position adjustments frame is arranged in light-source structure fixed block, is positioned at light source circuit board front, coquille rear；Laser diode position adjustments frame can in being perpendicular to laser beam axis plane adjusting position so that laser diode and shaping mirror group concentric；
After cooling piece is positioned at light source circuit board, contact with light source circuit board.
Further, laser diode position adjustments frame at least two is laterally provided with the jackscrew of regulation；Jackscrew is positioned on light-source structure fixed block.
Further, laser diode head embeds laser diode position adjustments frame.
Further, the vertical direction in sealed photoelectric measurement room is provided with inlet suction port, nozzle of air supply and air outlet adapter composition gas passage；Inlet suction port is tightened in nozzle of air supply, and nozzle of air supply is fixed on upper end, sealed photoelectric measurement room, and fixed bit is equipped with sealing ring and is embedded into circulation of qi promoting sealing；Air outlet adapter is fixed on lower end, sealed photoelectric measurement room.
Further, the laser beam direction of advance optical axis that air-flow to be measured sends with laser light source module is orthogonal；Centered by laser beam that scattered light signal reflecting mirror and fluorescence signal reflecting mirror send by laser light source module and the orthogonal measurement point formed of air-flow to be measured, left and right offside horizontal symmetry is placed；After air-flow to be measured leaves nozzle of air supply, and the scattered light signal reflecting mirror/optical axis of fluorescence signal reflecting mirror, laser direction of advance optical axis are the most orthogonal.
More preferably, nozzle of air supply leading portion stretches into sealed photoelectric measurement room, and the end of nozzle of air supply closes up in oblateness, and the major axis of closing in is parallel with laser beam direction of advance optical axis.
Further, delustring reflecting mirror is arranged in the fixing torr of reflecting mirror, and reflecting mirror is fixed torr and is sealingly engaged into the laser emitting mouth of front end, sealed photoelectric measurement room.
Further, delustring reflecting mirror and laser beam direction of advance are 45 ° of angles.
Further, it is provided with fluorescence signal light filter before fluorescence signal detector.
The utility model has the advantage of:
1) using double spherical reflector symmetrical structure, a road is used for measuring biomone fluorescence, and another drive test amount particle (including dust particle and biomone) scattered light is compacter relative to traditional scheme structure, it is simple to realize device miniaturization, is beneficial to debug.
2) more reasonable structure of laser light source module, advantageously forms the single wavelength linear laser hot spot that energy is concentrated, and can eliminate the veiling glare beyond main spot, be advantageously implemented effectively exciting of biomone fluorescence.
3) dust particle and the concentration of biomone and particle diameter in air can be realized measure.
Accompanying drawing explanation
Fig. 1 is that structure of the present utility model forms schematic diagram.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is air path part structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
This utility model provides a kind of aerosol real-time detector, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, torr 10, air outlet adapter 11, scattered light signal detector 17, fluorescence signal detector 18, light trapping 19, fluorescence signal light filter 20, scattered light signal reflecting mirror 21 and fluorescence signal reflecting mirror 22 are fixed including laser light source module 100, inlet suction port 6, nozzle of air supply 7, sealed photoelectric measurement room 8, delustring reflecting mirror 9, reflecting mirror；Wherein, laser light source module 100 includes cooling piece 1, light source circuit board 2, laser diode 3, laser diode position adjustments frame 4, light-source structure fixed block 5, coquille 16, band logical transmitting optical filter 15, mirror group fixed block 14, cylindrical mirror 13, delustring pipe 12；
In laser light source module 100, logical optical filter 15, cylindrical mirror 13 and the delustring pipe 12 launched of coquille 16, band constitutes shaping mirror group；Coquille 16 and band is logical launch optical filter 15 1 after be fixed on mirror group fixed block 14 before one；In mirror group fixed block 14 is located at light-source structure fixed block 5 and can be adjusted by being adjusted axially screw between mirror group fixed block 14 and light-source structure fixed block 5 along laser axial adjusting position, Fig. 1 is not drawn into be adjusted axially screw；Cylindrical mirror 13 is positioned at band logical transmitting optical filter 15 dead ahead, is arranged on outside the laser light incident mouth of rear end, sealed photoelectric measurement room 8, and the laser light incident mouth before cylindrical mirror 13 installation site is provided with sealing ring；Inside the laser light incident mouth of delustring pipe 12 embedding sealing formula photoelectric measurement room 8, it is positioned at cylindrical mirror 13 dead ahead；The leading portion of delustring pipe 12 charges into sealed photoelectric measurement room 8；Light-source structure fixed block 5 is fixed on outside rear end, sealed photoelectric measurement room 8；
Laser diode 3 is welded on light source circuit board 2, and light source circuit board 2 is fixed on laser diode position adjustments frame 4；Laser diode position adjustments frame 4 is arranged in light-source structure fixed block 5, is positioned at light source circuit board 2 front, coquille 16 rear；Laser diode position adjustments frame 4 is by its lateral jackscrew being positioned on light-source structure fixed block 5, it is possible to regulates laser diode position adjustments frame 4 position in being perpendicular to laser beam axis plane, thus drives regulation laser diode 3 and shaping mirror group concentric；Laser diode position adjustments frame 4 at least two lateral (the most up and down four lateral) is provided with the jackscrew of regulation；
After cooling piece 1 is positioned at light source circuit board 2, contact with light source circuit board 2.Cooling piece 1 can use annular cooling piece.
Light source circuit board 2 is for powering to laser diode 3, and the heat sent when being worked by laser diode 3 as heat transfer medium passes to annular cooling piece 1；Laser diode position adjustments block 4 reserved location, can make laser diode 3 head be embedded, and fit tightly, thus the heat sent when can be worked by laser diode passes to laser diode position adjustments block 4；The divergent shape laser beam sent by laser diode 3 first passes through coquille 16, and coquille 16 can be by the laser beam shaping that dissipates to less parallel light；Shaping continues to propagate forward to the laser beam of less parallel light, optical filter 15 is launched by band is logical, the logical desired wavelength laser launched in the gating wave-length coverage that optical filter 15 can make laser diode send of band passes through, and the laser of other wavelength is cut off, thus ensures the unicity of optical source wavelength；Shaping continues to propagate forward to the single wavelength laser beam of less parallel light, by cylindrical mirror 13, the single wavelength laser beam of shaping to less parallel light can be compressed by cylindrical mirror 13, thus presents, in the particle excitated position of air-flow to be measured, the linear laser hot spot that energy density is more concentrated；During laser shaping, veiling glare may occur beyond main spot, thus disturb signal collection, make the circuit basis lifting after opto-electronic conversion, flood otiose small-signal, so the laser beam after cylindrical mirror 13 shaping is by delustring pipe 12, delustring pipe 12 inwall uses geometry to block the veiling glare on the direction of propagation, and sawtooth, screw thread, the form of cloudy surface can be used to eliminate veiling glare；Laser beam is orthogonal with air-flow, propagates the particle excitated rear continuation in air-flow forward, is projeced into delustring reflecting mirror 9 surface, thus by most laser absorption, small part laser is reflected onto light trapping 19, is absorbed by light trapping, which can effectively eliminate scattered light interference, improves signal to noise ratio.
Laser diode position adjustments block 4 can rely on fine adjustment structure to regulate its position in being perpendicular to optical axial plane, and can be fixing after regulation to ideal position, which can ensure that laser diode 3 and the strict concentric of shaping mirror group, thus ensures light source shaping quality, reduces the appearance of veiling glare；Mirror group fixed block 14 can rely on fine adjustment structure to regulate its position in the direction of the optical axis, and can be fixing after regulation to ideal position, which can regulate laser beam within the specific limits and converge position, thus ensure that the light spot energy at place orthogonal with the particle in air-flow is concentrated the most, improve launching efficiency.
Sealed photoelectric measurement room 8, is used for being passed through air-flow to be measured, and forms closed environment, prevents external environmental light and particle from testing result is produced impact, the most also each detection structure is formed physical support；Laser light source module 100 is assemblied in the laser light incident mouth of rear end, sealed photoelectric measurement room 8 and laser light incident implication is sealed；In sealed photoelectric measurement room 8, the laser beam direction of advance optical axis that air-flow to be measured and laser light source module send is orthogonal to the particle excitated position at linear laser hot spot place；Certainly, the laser beam direction of advance optical axis that air-flow to be measured sends with laser light source module is the most orthogonal, is also to allow than 90 degree of quadrature certain angles.
In this example, the laser beam direction of advance optical axis that air-flow to be measured sends with laser light source module is orthogonal, and therefore, the vertical direction in sealed photoelectric measurement room 8 is provided with inlet suction port 6, nozzle of air supply 7 and air outlet adapter 11 and forms gas passage；Inlet suction port 6 is tightened in nozzle of air supply 7, and nozzle of air supply 7 is fixed on upper end, sealed photoelectric measurement room 8, and fixed bit is equipped with sealing ring and is embedded into circulation of qi promoting sealing；Inlet suction port 6, nozzle of air supply 7 form air inlet gas circuit；Air outlet adapter 11 is fixed on lower end, sealed photoelectric measurement room 8.
Nozzle of air supply 7 leading portion stretches into sealed photoelectric measurement room 8 about 27mm, and the end of nozzle of air supply 7 closes up in oblateness, and the major axis of closing in is parallel with laser beam direction of advance optical axis；
Centered by the orthogonal measurement point formed of scattered light signal reflecting mirror 21 and fluorescence signal reflecting mirror 22, the laser beam sent by laser light source module 100 and air-flow to be measured, left and right offside horizontal symmetry is placed；So, after gas (air-flow the most to be measured) leaves nozzle of air supply 7, and the optical axis of scattered light signal reflecting mirror 21/ fluorescence signal reflecting mirror 22, laser direction of advance optical axis are the most orthogonal；Further, nozzle of air supply 7 end closing in long axis direction is consistent with laser direction of advance optical axis so that more by the air-flow of linear laser hot spot, and the population to be measured that laser beam converges position is also the most more.Certainly, scattered light signal reflecting mirror 21 and fluorescence signal reflecting mirror 22, centered by the laser beam sent by laser light source module 100 and the orthogonal measurement point formed of air-flow to be measured, left and right offside is placed and also may be used, it is not necessary to have to horizontal symmetry；Such as, crossing on the axis measuring point 30 degree of angles of horizontal line, the most left and right offside arranges scattered light signal reflecting mirror 21 and fluorescence signal reflecting mirror 22, in the case of the latter, scattered light signal reflecting mirror 21 and fluorescence signal reflecting mirror 22 may be convenient not as the former with the fixed form of sealed photoelectric measurement room 8；
Scattered light signal reflecting mirror 21 and fluorescence signal reflecting mirror 22 all use spherical reflector；The outer rim of each spherical reflector (i.e. the outer rim of a circle of opening) processing seal groove is completed and the closely cooperating of closed photoelectric measurement room 8 by sealing ring, spherical reflector outer rim respectively leaves symmetric position projection and leaves screwed hole in prominence, can be by spherical reflector in the accurate stationary positioned of gas chamber.Scattered light signal reflecting mirror 21 and the respective reflecting surface of fluorescence signal reflecting mirror 22 are positioned at sealed photoelectric measurement room 8；Wherein, scattered light signal reflecting mirror 21 and fluorescence signal reflecting mirror 22 are respectively used to collect the scattered light produced after particle to be measured is irradiated by laser beam in air-flow to be measured and fluorescence, and respectively to to reflection；Scattered light signal reflecting mirror 21 and the respective center drilling of fluorescence signal reflecting mirror 22, be respectively used to supply the fluorescence come to reflection and scatter light through；
Scattered light signal detector 17 and fluorescence signal detector 18, be separately mounted to fluorescence signal reflecting mirror 22 and the rear of scattered light signal reflecting mirror 21 center drilling, is respectively used to detect the scattered light signal through reflecting mirror perforate and fluorescence signal；
Laser beam is orthogonal to center, sealed photoelectric measurement room 8 with the sample gas of the air-flow to be measured entered by nozzle of air supply 7, and the particle to be measured in sample gas sends scattered light and fluorescence under the irradiation of laser beam.Wherein, scattered light is converged on scattered light signal detector 17 by scattered light signal reflecting mirror 22 shaping being fixed on sealed photoelectric measurement room 8；Meanwhile, fluorescence shaping is converged on fluorescence signal detector 18 by fluorescence signal reflecting mirror 22.Scattered light signal detector 17 and fluorescence signal detector 18 are provided with respective sensor, can identify that laser runs into the interference situation of sample gas to reach the testing goal to gas particle；
The impact caused measurement in order to avoid laser beam, the laser emitting mouth in front end, sealed photoelectric measurement room 8 is mounted with that delustring reflecting mirror 9, delustring reflecting mirror 9 use delustring glass；Delustring reflecting mirror 9 is arranged in the fixing torr 10 of reflecting mirror, and reflecting mirror is fixed torr 10 and is sealingly engaged into the laser emitting mouth of front end, sealed photoelectric measurement room 8；Light trapping 19 is arranged on delustring reflecting mirror 9 side, can absorb laser.Delustring reflecting mirror 9 and laser beam direction of advance are 45 ° of angles.The laser beam propagated the particle excitated rear continuation in air-flow forward, is projeced into delustring glass surface, thus by most laser absorption, small part laser, is absorbed to light trapping 19 by light trapping by delustring glass-reflected.
More preferably, it is provided with fluorescence signal light filter 20 before fluorescence signal detector 18；Other optical signal outside fluorescence can be effectively filtered out, improve the signal to noise ratio of fluoroscopic examination.
Claims (10)
1. an aerosol real-time monitor, it is characterised in that including:
Laser light source module (100), is used for sending laser beam, and produces linear laser hot spot in particle excitated position；
Sealed photoelectric measurement room (8), is used for being passed through air-flow to be measured, and forms closed environment, prevents external environmental light and particle from testing result is produced impact；Laser light source module (100) is assemblied in the laser light incident mouth of sealed photoelectric measurement room (8) rear end and laser light incident implication is sealed；In sealed photoelectric measurement room (8), the laser beam direction of advance optical axis that air-flow to be measured and laser light source module send intersects at the particle excitated position at linear laser hot spot place；
Centered by scattered light signal reflecting mirror (21) and fluorescence signal reflecting mirror (22), the laser beam sent by laser light source module 100 and air-flow to be measured intersect the measurement point formed, left and right offside is placed；Scattered light signal reflecting mirror (21) and fluorescence signal reflecting mirror (22) respective reflecting surface are positioned at sealed photoelectric measurement room (8)；Wherein, scattered light signal reflecting mirror (21) and fluorescence signal reflecting mirror (22) are respectively used to collect the scattered light produced after particle to be measured is irradiated by laser beam in air-flow to be measured and fluorescence, and respectively to to reflection；Scattered light signal reflecting mirror (21) and fluorescence signal reflecting mirror (22) respective center drilling, be respectively used to supply the fluorescence come to reflection and scatter light through；
Scattered light signal detector (17) and fluorescence signal detector (18), it is separately mounted to fluorescence signal reflecting mirror (22) and the rear of scattered light signal reflecting mirror (21) center drilling, is respectively used to detect the scattered light signal through reflecting mirror perforate and fluorescence signal；
Delustring reflecting mirror (9), is arranged on the laser emitting mouth of sealed photoelectric measurement room (8) front end, and keeps laser emitting implication to seal；Delustring reflecting mirror (9) is used for absorbing fraction of laser light, and will remain laser-bounce to the light trapping (19) arranged in delustring reflecting mirror (9) side；
Light trapping (19), is arranged on delustring reflecting mirror (9) side, absorbs residue laser.
2. aerosol real-time detector as claimed in claim 1, it is characterised in that:
Described laser light source module (100) includes cooling piece (1), light source circuit board (2), is used for producing the laser diode (3) of laser, laser diode position adjustments frame (4), light-source structure fixed block (5), coquille (16), band logical transmitting optical filter (15), mirror group fixed block (14), cylindrical mirror (13), delustring pipe (12)；Wherein, coquille (16), logical optical filter (15), cylindrical mirror (13) and the delustring pipe (12) launched of band constitute shaping mirror group；
Coquille (16) and band is logical launch optical filter (15) after be fixed on mirror group fixed block (14) before one；Mirror group fixed block (14) is located in light-source structure fixed block (5) and can be along the axial adjusting position of laser；Cylindrical mirror (13) is positioned at band logical transmitting optical filter (15) dead ahead, being arranged on outside the laser light incident mouth of sealed photoelectric measurement room (8) rear end, the laser light incident mouth before cylindrical mirror (13) installation site is provided with sealing ring；Inside delustring pipe (12) embedding sealing formula photoelectric measurement room (8) laser light incident mouth, it is positioned at cylindrical mirror (13) dead ahead；Light-source structure fixed block (5) is fixed on outside sealed photoelectric measurement room (8) rear end；
Laser diode (3) is welded on light source circuit board (2), and light source circuit board (2) is fixed on laser diode position adjustments frame (4)；Laser diode position adjustments frame (4) is arranged in light-source structure fixed block (5), is positioned at light source circuit board (2) front, coquille (16) rear；Laser diode position adjustments frame (4) can in being perpendicular to laser beam axis plane adjusting position so that laser diode (3) and shaping mirror group concentric；
After cooling piece (1) is positioned at light source circuit board (2), contact with light source circuit board (2).
3. aerosol real-time monitor as claimed in claim 2, it is characterised in that:
Laser diode position adjustments frame (4) at least two is laterally provided with the jackscrew of regulation；Jackscrew is positioned on light-source structure fixed block (5).
4. aerosol real-time monitor as claimed in claim 2, it is characterised in that:
Laser diode (3) head embeds laser diode position adjustments frame (4).
5. the aerosol real-time monitor as described in claim 1,2,3 or 4, it is characterised in that:
Vertical direction sealed photoelectric measurement room (8) is provided with inlet suction port (6), nozzle of air supply (7) and air outlet adapter (11) composition gas passage；
Inlet suction port (6) is tightened in nozzle of air supply (7), and nozzle of air supply (7) is fixed on sealed photoelectric measurement room (8) upper end, and fixed bit is equipped with sealing ring and is embedded into circulation of qi promoting sealing；
Air outlet adapter (11) is fixed on sealed photoelectric measurement room (8) lower end.
6. aerosol real-time monitor as claimed in claim 5, it is characterised in that:
The laser beam direction of advance optical axis that air-flow to be measured sends with laser light source module is orthogonal；Centered by scattered light signal reflecting mirror (21) and fluorescence signal reflecting mirror (22), the laser beam sent by laser light source module (100) and the orthogonal measurement point formed of air-flow to be measured, left and right offside horizontal symmetry is placed；After air-flow to be measured leaves nozzle of air supply (7), and scattered light signal reflecting mirror (the 21)/optical axis of fluorescence signal reflecting mirror (22), laser direction of advance optical axis are the most orthogonal.
7. aerosol real-time monitor as claimed in claim 5, it is characterised in that:
Nozzle of air supply (7) leading portion stretches into sealed photoelectric measurement room (8), and the end of nozzle of air supply (7) closes up in oblateness, and the major axis of closing in is parallel with laser beam direction of advance optical axis.
8. aerosol real-time monitor as claimed in claim 1, it is characterised in that:
Delustring reflecting mirror (9) is arranged on the fixing torr (10) of reflecting mirror, and the fixing torr (10) of reflecting mirror is sealingly engaged into the laser emitting mouth of sealed photoelectric measurement room (8) front end.
9. aerosol real-time monitor as claimed in claim 1, it is characterised in that:
Delustring reflecting mirror (9) and laser beam direction of advance are 45 ° of angles.
10. aerosol real-time monitor as claimed in claim 1, it is characterised in that:
Fluorescence signal detector (18) is front is provided with fluorescence signal light filter (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620119226.8U CN205562341U (en) | 2016-02-06 | 2016-02-06 | Aerosol real -time supervision appearance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620119226.8U CN205562341U (en) | 2016-02-06 | 2016-02-06 | Aerosol real -time supervision appearance |
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| Publication Number | Publication Date |
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| CN205562341U true CN205562341U (en) | 2016-09-07 |
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| CN201620119226.8U Active CN205562341U (en) | 2016-02-06 | 2016-02-06 | Aerosol real -time supervision appearance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466822A (en) * | 2016-02-06 | 2016-04-06 | 无锡迈通科学仪器有限公司 | Real-time aerosol monitor |
| CN112268876A (en) * | 2020-10-14 | 2021-01-26 | 天津优可信科技有限公司 | Water quality detection unit and water quality detector |
-
2016
- 2016-02-06 CN CN201620119226.8U patent/CN205562341U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466822A (en) * | 2016-02-06 | 2016-04-06 | 无锡迈通科学仪器有限公司 | Real-time aerosol monitor |
| WO2017133045A1 (en) * | 2016-02-06 | 2017-08-10 | 无锡迈通科学仪器有限公司 | Aerosol real time monitor |
| CN105466822B (en) * | 2016-02-06 | 2018-03-06 | 无锡迈通科学仪器有限公司 | Aerosol real-time monitor |
| US10168269B1 (en) | 2016-02-06 | 2019-01-01 | Wuxi Maitong Scientific Instrument Co., Ltd. | Aerosol real time monitor |
| CN112268876A (en) * | 2020-10-14 | 2021-01-26 | 天津优可信科技有限公司 | Water quality detection unit and water quality detector |
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