CN206862833U - The multifunction measuring set that a kind of particle system influences on laser signal - Google Patents
The multifunction measuring set that a kind of particle system influences on laser signal Download PDFInfo
- Publication number
- CN206862833U CN206862833U CN201720719656.8U CN201720719656U CN206862833U CN 206862833 U CN206862833 U CN 206862833U CN 201720719656 U CN201720719656 U CN 201720719656U CN 206862833 U CN206862833 U CN 206862833U
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- Prior art keywords
- laser
- seal housing
- dirt seal
- particle
- laser signal
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- 239000002245 particle Substances 0.000 title claims abstract description 74
- 238000003860 storage Methods 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 238000007667 floating Methods 0.000 claims abstract description 9
- 230000003028 elevating effect Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 8
- 238000009826 distribution Methods 0.000 abstract description 8
- 238000004891 communication Methods 0.000 abstract description 6
- 238000002474 experimental method Methods 0.000 abstract description 5
- 239000004576 sand Substances 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 3
- 239000013618 particulate matter Substances 0.000 description 11
- 239000000725 suspension Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002999 depolarising effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000486406 Trachea Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000000151 deposition 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
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model provides the multifunction measuring set that a kind of particle system influences on laser signal, including particle floating unit, charge measurement unit and laser signal measurement unit, wherein：Particle floating unit includes dirt seal housing and the particle storage bin being located in dirt seal housing, and particle storage bin is interior to be provided with fan provided with filter screen, four walls, and the both sides of dirt seal housing are respectively equipped with laser via, laser lens are provided with laser via；The charge measurement unit is used for the carried charge for determining dirt seal housing endoparticle thing, and the laser signal measurement unit is used to measure change of the laser through laser power after particle system.The utility model can accurately measure the influence that variable grain thing is decayed and depolarized to laser signal under the conditions of different humidity, various concentrations, different carried charges, different grain size distribution etc., good experiment basis are provided to carry out the research of laser communication under dust and sand weather, and can realize that the multiplicating under the same terms measures.
Description
Technical field
The utility model belongs to technical field of physical experiment, be related to a kind of particle system laser signal is influenceed it is multi-functional
Measurement apparatus.
Background technology
With the fusion development of conventional communication techniques and conventional radar technology and modern laser, laser is in Radar Technology
With extensive development and application have been obtained in the communication technology.Because laser has brightness height, high directivity, monochromaticjty good, relevant
Property it is strong the features such as, therefore, compared with conventional communication techniques, laser communication have message capacity big, strong security, high directivity,
The features such as financial cost is low.But the particulate matter correspondingly, to be suspended in air such as mist, cigarette, dust, sand and dust etc. have to laser signal
Scattering and absorption so that laser signal can be by serious decay and unpolarizing under low visibility weather.And
The grain size distribution of system, granule density, pellet moisture levels, particle charge amount, chemical composition of particle etc. have difference to laser
The influence of degree, but wherein which is the factor significantly affected, the experimental provision due to a lack of correlation causes not having at present
Preferable result of study.
Utility model content
The problem of the purpose of this utility model is to exist for prior art, there is provided a kind of particle system is to laser signal
The multifunction measuring set of influence, it is powered in different humidity, various concentrations, difference that the measurement apparatus can accurately measure particle
The influence for decaying to laser signal and depolarizing under the conditions of amount, different grain size distribution etc..
Therefore, the utility model adopts the following technical scheme that：
The multifunction measuring set that a kind of particle system influences on laser signal, including particle floating unit, charge measurement
Unit and laser signal measurement unit, wherein：
The particle floating unit includes a dirt seal housing being made of clear material and a particle storage bin, described
Grain storage bin is located at the bottom in dirt seal housing, is provided with filter screen in the particle storage bin, four walls of particle storage bin are provided with fan；
The both sides of the dirt seal housing are respectively equipped with laser via, and laser lens are provided with the laser via；The dirt seal housing its
In side wall be provided with and open door；
The charge measurement unit includes Faraday cup, electrometer and electronic scale, and the Faraday cup and electronic scale are located at
Bottom in dirt seal housing, and the Faraday cup is placed on electronic scale, the electrometer is located at outside dirt seal housing, the faraday
Cylinder electrically connects with electrometer；
The laser signal measurement unit include be arranged on dirt seal housing both sides the first elevating lever and the second elevating lever and
Laser power meter, the first hoistable platform and the second hoistable platform are respectively fixed with first elevating lever and the second elevating lever,
First hoistable platform and the second hoistable platform can move up and down respectively with the lifting of the first elevating lever and the second elevating lever；
First hoistable platform is provided with laser, and the laser beam that the laser is launched and the laser of laser side are saturating
Mirror is corresponding；The laser power meter includes laser power sensor and laser power meter gauge outfit, the laser power sensor
It is connected on the second hoistable platform and with laser power meter gauge outfit, and the laser power sensor and its side
Laser lens are corresponding., can be by laser power after the laser beam that laser is launched passes through the laser lens of dirt seal housing both sides
Meter measurement in real time passes the watt level of laser beam.
Further, it is the humidity change in increase dirt seal housing, the measurement apparatus also includes humidity controlling unit, described
Humidity controlling unit includes humidifier, wet air duct and humiture instrument, and the humiture instrument includes the temperature and humidity sensing being connected with each other
Device and humiture instrument gauge outfit, humidifier and the humiture instrument gauge outfit are located at outside dirt seal housing, and the Temperature Humidity Sensor is positioned at anti-
In dirt case, wet air duct one end connection humidifier, the other end are stretched into dirt seal housing, and wet air duct is located at the part in dirt seal housing
Provided with venthole.
Further, the particle floating unit also includes fan rotary speed controller, the fan rotary speed controller difference
It is connected and is located at outside dirt seal housing with the fan of the wall of particle storage bin four, particle storage is can adjust by operating fan rotary speed controller
The rotating speed size of the fan of the wall of case four is deposited, the wind-force size in particle storage bin is controlled with this.
Further, the multifunction measuring set also includes being used for the PC for monitoring measurement data, the PC difference
It is connected with electrometer, electronic scale and laser power meter gauge outfit.
Further, the both sides of the dirt seal housing are respectively provided with two laser vias, and the laser via two of dirt seal housing both sides
Two correspondences, form the two groups of laser vias passed through for two beam laser；The laser and laser power meter also include two groups, point
It is not corresponding with two groups of laser vias.The laser of one of which monitors dirt seal housing by launching the laser of 550 nano wave lengths
Interior granule density and visibility, power of another group of laser for being then used to monitor any wavelength in particle suspension system become
Change.
Further, in order to measure influence of the particle system at different conditions to laser polarization direction, the laser work(
Glan-Foucault laser prism is additionally provided between rate sensor and laser via, the Glan-Foucault laser prism is fixed on prism bracket and can
Rotated with prism bracket.
Further, it is respectively equipped with chute on first hoistable platform and the second hoistable platform, the laser and swashs
Optical power sensor is installed on chute and can moved horizontally along chute, in order to the alignment of laser.
Further, in order to more advantageously control the humidity inside dirt seal housing, the humidifier includes two or more, institute
Stating wet air duct includes moisture supervisor, even tracheae and moisture branch pipe, and each humidifier is sequentially connected a moisture supervisor and one respectively
Individual even tracheae, one end of the moisture supervisor and the gas outlet connection of humidifier, the other end are connected with even tracheae, the moisture master
Pipe and even tracheae are respectively positioned on outside dirt seal housing, and the even tracheae is parallel with dirt seal housing side wall and is horizontally disposed with；The moisture branch
Manage for more and in dirt seal housing, venthole is uniformly provided with the moisture branch pipe, the moisture branch pipe is connected with even tracheae
It is logical.The setting of even tracheae and moisture branch pipe can effectively improve humidification efficiency, and ensure that moisture is quickly and evenly dispersed in dirt seal housing
It is interior.
Further, the filter screen is two layers, and is respectively arranged at the middle part and top of particle storage bin.
The operation principle of the utility model measurement apparatus is as follows：
The particulate matters such as the grains of sand for experiment are contained with particle storage bin in advance, the fan of the wall of particle storage bin four is opened
When, particulate matter can be blown afloat, be allowed to be formed and kick up suspended state.The effect of the filter screen set on particle storage bin is：（1）Make
Fan airstream is more uniformly distributed；（2）The particle of particle diameter needed for conveniently filtering out；（3）Made by the friction between filter screen and particulate matter
Grain thing is powered, and by changing the filter screen of unlike material and mesh size, thus it is possible to vary the size of particulate matter carried charge；（4）
Make particulate matter fly out particle storage bin when velocity-stabilization, even concentration.The setting of dirt seal housing can avoid particulate matter from flying out, and dust-proof
Air-flow in case and particle storage bin is formed by fan to be circulated, and makes charged particle thing period time of suspension in dirt seal housing
Afterwards, then gradually it is settled down to dirt seal housing bottom.
In the process, partial particulate thing is fallen in Faraday cup, and can be weighed respectively by electronic scale and electrometer
With the weight and carried charge that measure institute's settling particulate matter, quality and electric quantity data are respectively transmitted to PC by electronic scale and electrometer
Handled, so as to draw the charge-mass ratio of particulate matter（The quantity of electric charge and mass ratio）.Laser is opened, what laser was launched swashs
Light is penetrated by the laser lens of its side, after the particulate matter by suspension, is passed by opposite side laser lens, laser work(
Rate sensor and laser power meter gauge outfit can measure the change of laser power in real time and send PC automatic data collection to, for research
Decay and unpolarizing of the grain system to laser provide data basis.In addition, can effectively it be controlled by humidity controlling unit anti-
Humidity change in dirt case；By changing the filter screen of different mesh sizes and material, particle charge amount and particle diameter can be effectively controlled
Distribution.
As fully visible, the utility model has the following advantages that：Variable grain thing be can accurately measure in different humidity, difference
The influence for decaying to laser signal and depolarizing under the conditions of concentration, different carried charges, different grain size distribution etc., to carry out dusty day
The research of laser communication provides good experiment basis under gas；Relative to outdoor measurement, the present apparatus can be realized under the same terms
Measurement is repeated several times, ensure that the accuracy of experimental result；It is easily operated and the present apparatus is simple in construction.
Brief description of the drawings
Fig. 1 is overall appearance structural representation of the present utility model；
Fig. 2 is Facad structure sectional view of the present utility model；
Fig. 3 is side structure outside drawing of the present utility model；
Fig. 4 is side structure sectional view of the present utility model；
Fig. 5 is that the position of the utility model fan sets schematic diagram；
Fig. 6 is the structure top view of the hoistable platform of the utility model first；
Fig. 7 is the structural representation of the utility model humidity controlling unit；
In figure, 1- dirt seal housings, 2- particle storage bins, 3- filter screens, 4- fans, 5- fan rotary speed controllers, 6- laser vias,
7- laser lens, 8- unlatching doors, 9- Faraday cups, 10- electronic scales, 11- electrometers, the elevating levers of 12- first, 13- second are lifted
Bar, the hoistable platforms of 14- first, the hoistable platforms of 15- second, 16- chutes, 17- lasers, 18- laser power sensors, 19- swash
Light power meter gauge outfit, 20- Glan-Foucault laser prisms, 21- prism brackets, 22- humidifiers, 23- moistures supervisor, the even tracheaes of 24-, 25-
Moisture branch pipe, 26- ventholes, 27- Temperature Humidity Sensors, 28- humiture instrument gauge outfits, 29-PC machines, 30- laser beams.
Embodiment
As Figure 1-4, the multifunction measuring set that a kind of particle system influences on laser signal, including particle suspension are single
Member, charge measurement unit, laser signal measurement unit and humidity controlling unit, wherein：
The particle floating unit includes the dirt seal housing 1 of clear glass material and the particle of a transparent resin material
Storage bin 2, particle storage bin 2 are located at the bottom in dirt seal housing 1, and the middle part and top of particle storage bin 2 are respectively provided with one layer of filter screen
3；Four walls of particle storage bin 2 are provided with fan 4.Specifically, as shown in figure 5, the antetheca of particle storage bin 2 be provided with three fans,
Rear wall is provided with two fans, and other two side wall is respectively provided with a fan, and the fan interval of antetheca and rear wall is correspondingly arranged, with
Reach more preferable draught effect；Dirt seal housing 1 is externally provided with fan rotary speed controller 5, and fan rotary speed controller 5 stores up with particle respectively
The fan 4 for depositing the wall of case 2 four is connected, and the fan 4 of particle storage bin 2 four wall is can adjust by operating fan rotary speed controller 5
Rotating speed size, the wind-force size in particle storage bin 2 is controlled with this.The both sides of dirt seal housing 1 are respectively provided with two laser vias 6, often
Laser lens 7 are mounted at individual laser via 6, and the laser via 6 of the both sides of dirt seal housing 1 corresponds to two-by-two, is formed for two beams
Two groups of laser vias that laser passes through；One of side wall of dirt seal housing 1 is additionally provided with the unlatching door for facilitating equipment to be placed and taken out
8；
The charge measurement unit includes Faraday cup 9, electrometer 11 and electronic scale 10, Faraday cup 9 and electronic scale 10
Bottom in dirt seal housing 1, and Faraday cup 9 is placed on electronic scale 10, electrometer 11 is located at outside dirt seal housing 1, and farad
Electrically connected with electrometer 11 for 9；To ensure the accuracy of the weighing of electronic scale 10, particulate matter is avoided to be deposited in the upper of electronic scale 10
Surface, in the utility model, the floor space of Faraday cup 9 should be greater than or the area equal to the upper surface of electronic scale 10；
The laser signal measurement unit includes the first elevating lever 12 and the second elevating lever 13 for being arranged on the both sides of dirt seal housing 1
And laser power meter, the first hoistable platform 14 and the second lifting are respectively fixed with the first elevating lever 12 and the second elevating lever 13
Platform 15, the first hoistable platform 14 and the second hoistable platform 15 can be distinguished with the lifting of the first elevating lever 12 and the second elevating lever 13
Move up and down.In the utility model, screw-threaded shaft elevator or electric up-down can be selected in the first elevating lever 12 and the second elevating lever 13
Bar.First hoistable platform 14 is provided with laser 17, the laser beam 30 that laser 17 is launched and the side of laser 17
Laser lens 7 are corresponding；The laser power meter includes laser power sensor 18 and laser power meter gauge outfit 19, laser power
Sensor 18 is located on the second hoistable platform 15 and is connected with laser power meter gauge outfit 19, and laser power sensor 18 and its
The laser lens 7 of side are corresponding；
In the present embodiment, laser 17 and laser power meter are corresponding with two groups of laser vias respectively also including two groups.Its
In one group of laser monitor the granule density and visibility in dirt seal housing 1 by launching the laser of 550 nano wave lengths, it is another
Changed power of the laser that group is then used to monitor any wavelength in particle suspension system.
In order to measure influence of the particle system to laser polarization direction under different condition, laser power sensor 18 and laser
Glan-Foucault laser prism 20 is additionally provided between through hole 6, Glan-Foucault laser prism 20 is fixed on prism bracket 21 and can be with prism bracket
21 are rotated；Rotate Glan-Foucault laser prism 20, you can measure laser through the polarization direction after particle system.Further
Ground, as shown in fig. 6, by taking the first hoistable platform 14 as an example, further respectively had on the first hoistable platform 14 and the second hoistable platform 15
The chute 16 for making to move horizontally for laser 17 and laser power sensor 18, in laser 17 and laser power sensor 18
During installation and debugging, it can be made to be moved horizontally along chute 16, in order to the alignment of laser beam 30.
The humidity controlling unit includes humidifier 22 and humiture instrument, and the humiture instrument includes the warm and humid of interconnection
Spend sensor 27 and humiture instrument gauge outfit 28.Wherein, humidifier 22 and humiture instrument gauge outfit 28 are located at outside dirt seal housing 1, humiture
Sensor 27 is located in dirt seal housing 1.As shown in fig. 7, two humidifiers 22, each humidifier 22 are provided with the utility model altogether
A moisture supervisor 23 and an even tracheae 24 are sequentially connected respectively.Wherein, one end and the humidifier 22 of moisture supervisor 23 go out
Gas port connection, the other end are connected with even tracheae 24, and moisture supervisor 23 and even tracheae 24 are respectively positioned on outside dirt seal housing 1, and even tracheae 24
It is parallel with the side wall of dirt seal housing 1 and be horizontally disposed with；Three moisture branch pipes 25 are provided with dirt seal housing 1, are uniformly set on moisture branch pipe 25
There is venthole 26, and moisture branch pipe 25 is connected with even tracheae 24.In the present embodiment, it is connected respectively with two humidifiers 22 wet
Gas branch pipe 25 is interconnected, and forms shared moisture branch pipe.
The utility model measurement apparatus also includes being used for monitoring the PC 29 of measurement data, PC 29 respectively with electrometer
11st, electronic scale 10 and laser power meter gauge outfit 19 are connected, can be to the Monitoring Data or operational data of the said equipment and instrument
Carry out accurate measurements and record.
The course of work of the present utility model is as follows：
（1）Equipment installation and debugging：Load the grains of sand or other particulate matters into particle storage bin 2；According to experiment demand, peace
Fill the filter screen 3 of satisfactory specific materials and mesh size.Laser 17 is installed on the chute 16 of the first hoistable platform 14,
Laser power sensor 18 is installed on the chute 16 of the second hoistable platform 15, adjusts the first elevating lever 12 and the second elevating lever 13
Height, laser 17, Glan-Foucault laser lens 20, laser power sensor 18 is aligned just, can be with alignment procedures
Laser 17 or laser power sensor 18 are moved along chute 16, to facilitate alignment.
（2）Laser power determines：After the completion of equipment debugging, fan 4 is opened, under the wind-force effect of fan 4, particle storage
Particulate matter in case 2 is blown afloat, and is entered through filter screen 3 in dirt seal housing 1, forms particle suspended state, and control the wind of fan 4
Power size and blow-time are to control the concentration of the endoparticle thing of dirt seal housing 1.Laser 17 is opened, laser beam 30 is by laser lens 7
After passing, laser power meter can carry out power the real time measure to the laser passed.
（3）To meet influence measure of the particle system to laser power under the conditions of different humidity, humidifier 22 can be opened, is added
Moisture caused by wet device 22 enters in moisture branch pipe 25 through moisture supervisor 23 and even tracheae 24, and is discharged by venthole 26, passes through
Humiture instrument gauge outfit 28 reads the humidity value and temperature value in dirt seal housing 1, passes through the humidification duration and moisture of conditioning moisturer 22
Humidity in concentration regulation dirt seal housing 1.
（4）To meet the influence of particle difference carried charge size and different-grain diameter distribution to laser power, replaceable difference
The filter screen 4 of material and pore size, to change the carried charge size of suspended particulate substance in dirt seal housing 1 and particle size distribution.
Thus, variable grain thing can be completed in different humidity, various concentrations, different band using the utility model measurement apparatus
To laser signal decay and the accurate measure of depolarizing influences under the conditions of electricity, different grain size distribution etc..
Claims (8)
- A kind of 1. multifunction measuring set that particle system influences on laser signal, it is characterised in that including particle floating unit, Charge measurement unit and laser signal measurement unit, wherein：The particle floating unit includes a dirt seal housing being made of clear material and a particle storage bin, the particle storage The bottom that case is located in dirt seal housing is deposited, is provided with filter screen in the particle storage bin, four walls of particle storage bin are provided with fan；It is described The both sides of dirt seal housing are respectively equipped with laser via, and laser lens are provided with the laser via；Wherein the one of the dirt seal housing Individual side wall, which is provided with, opens door；The charge measurement unit includes Faraday cup, electrometer and electronic scale, and the Faraday cup and electronic scale are positioned at dust-proof Bottom in case, and the Faraday cup is placed on electronic scale, the electrometer is located at outside dirt seal housing, the Faraday cup with Electrometer electrically connects；The laser signal measurement unit includes the first elevating lever and the second elevating lever and laser for being arranged on dirt seal housing both sides Power meter, the first hoistable platform and the second hoistable platform are respectively fixed with first elevating lever and the second elevating lever, it is described First hoistable platform and the second hoistable platform can move up and down respectively with the lifting of the first elevating lever and the second elevating lever；It is described First hoistable platform is provided with laser, the laser beam that the laser is launched and the laser lens phase of laser side It is corresponding；The laser power meter includes laser power sensor and laser power meter gauge outfit, and the laser power sensor is located at It is connected on second hoistable platform and with laser power meter gauge outfit, and the laser power sensor and the laser of its side Lens are corresponding.
- 2. the multifunction measuring set that a kind of particle system according to claim 1 influences on laser signal, its feature exist In, in addition to humidity controlling unit, the humidity controlling unit include humidifier, wet air duct and humiture instrument, the humiture Instrument includes the Temperature Humidity Sensor being connected with each other and humiture instrument gauge outfit, humidifier and the humiture instrument gauge outfit are located at dirt seal housing Outside, the Temperature Humidity Sensor is located in dirt seal housing, and wet air duct one end connection humidifier, the other end are stretched into dirt seal housing, And the part that wet air duct is located in dirt seal housing is provided with venthole.
- 3. the multifunction measuring set that a kind of particle system according to claim 1 influences on laser signal, its feature exist Also include fan rotary speed controller in, the particle floating unit, the fan rotary speed controller respectively with particle storage bin four The fan of wall is connected and is located at outside dirt seal housing.
- 4. the multifunction measuring set that a kind of particle system according to claim 1 influences on laser signal, its feature exist In the both sides of the dirt seal housing are respectively provided with two laser vias, and the laser via of dirt seal housing both sides corresponds to two-by-two, is formed and is used for Two groups of laser vias that two beam laser pass through；The laser and laser power meter also include two groups, lead to respectively with two groups of laser Hole is corresponding.
- 5. the multifunction measuring set that a kind of particle system according to claim 1 influences on laser signal, its feature exist In being provided with Glan-Foucault laser prism between the laser power sensor and laser via, the Glan-Foucault laser prism is fixed on rib It can be rotated on mirror support and with prism bracket.
- 6. the multifunction measuring set that a kind of particle system according to claim 1 influences on laser signal, its feature exist In being respectively equipped with chute on first hoistable platform and the second hoistable platform, laser and the laser power sensor peace Loaded on can move horizontally on chute and along chute.
- 7. the multifunction measuring set that a kind of particle system according to claim 2 influences on laser signal, its feature exist In for the humidifier including two or more, the wet air duct includes moisture supervisor, even tracheae and moisture branch pipe, each humidification Device is sequentially connected a moisture supervisor and an even tracheae respectively, and one end of the moisture supervisor and the gas outlet of humidifier connect Connect, the other end is connected with even tracheae, moisture supervisor and even tracheae are respectively positioned on outside dirt seal housing, and the even tracheae and dirt seal housing Side wall is parallel and is horizontally disposed with；The moisture branch pipe is more and in dirt seal housing, is uniformly provided with the moisture branch pipe Venthole, the moisture branch pipe are connected with even tracheae.
- 8. the multifunction measuring set that a kind of particle system according to claim 1 influences on laser signal, its feature exist In the filter screen is two layers, and is respectively arranged at the middle part and top of particle storage bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720719656.8U CN206862833U (en) | 2017-06-20 | 2017-06-20 | The multifunction measuring set that a kind of particle system influences on laser signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720719656.8U CN206862833U (en) | 2017-06-20 | 2017-06-20 | The multifunction measuring set that a kind of particle system influences on laser signal |
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| CN206862833U true CN206862833U (en) | 2018-01-09 |
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| CN201720719656.8U Expired - Fee Related CN206862833U (en) | 2017-06-20 | 2017-06-20 | The multifunction measuring set that a kind of particle system influences on laser signal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121364A (en) * | 2017-06-20 | 2017-09-01 | 兰州大学 | The multifunction measuring set that a kind of particle system influences on laser signal |
| CN108287126A (en) * | 2018-03-23 | 2018-07-17 | 中国计量科学研究院 | Nano particle diameter measuring system |
-
2017
- 2017-06-20 CN CN201720719656.8U patent/CN206862833U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121364A (en) * | 2017-06-20 | 2017-09-01 | 兰州大学 | The multifunction measuring set that a kind of particle system influences on laser signal |
| CN108287126A (en) * | 2018-03-23 | 2018-07-17 | 中国计量科学研究院 | Nano particle diameter measuring system |
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Granted publication date: 20180109 |